/* ═══════════════════════════════════════════════════════════════
   LANDING PAGE - Dad's Gift (toggleable via personal mode)
   ═══════════════════════════════════════════════════════════════ */
   .landing {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: #0a0a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 1.2s ease, transform 1.2s ease
}

.landing.farewell {
    opacity: 0;
    transform: scale(1.1)
}

.landing-stars {
    position: absolute;
    inset: 0;
    overflow: hidden
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #fff;
    border-radius: 50%;
    animation: twinkle var(--dur) ease-in-out infinite;
    opacity: 0
}

@keyframes twinkle {
    0%,100% {
        opacity: 0.2;
        transform: scale(1)
    }

    50% {
        opacity: var(--peak,1);
        transform: scale(var(--sc,1.5))
    }
}

.shooting-star {
    position: absolute;
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg,rgba(255,255,255,0.9),rgba(255,236,210,0.6),transparent);
    transform: rotate(-35deg);
    opacity: 0;
    animation: shoot 5s ease-in-out infinite;
    filter: blur(0.5px)
}

@keyframes shoot {
    0% {
        transform: translateX(0) translateY(0) rotate(-35deg);
        opacity: 0
    }

    5% {
        opacity: 1
    }

    15% {
        transform: translateX(300px) translateY(200px) rotate(-35deg);
        opacity: 0
    }

    100% {
        opacity: 0
    }
}

.landing-moon {
    position: absolute;
    top: 10%;
    right: 12%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%,#ffecd2,#fcb69f 50%,#e8956f);
    box-shadow: 0 0 40px rgba(255,236,210,0.3),0 0 80px rgba(252,182,159,0.15),0 0 120px rgba(252,182,159,0.08);
    opacity: 0;
    animation: moonRise 2s ease-out 0.5s forwards
}

@keyframes moonRise {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.8)
    }

    to {
        opacity: 1;
        transform: none
    }
}

.moon-glow {
    position: absolute;
    top: 10%;
    right: 12%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    box-shadow: 0 0 60px rgba(255,236,210,0.2);
    animation: moonPulse 4s ease-in-out infinite 2s
}

@keyframes moonPulse {
    0%,100% {
        box-shadow: 0 0 60px rgba(255,236,210,0.15)
    }

    50% {
        box-shadow: 0 0 100px rgba(255,236,210,0.3)
    }
}

.landing-fireflies {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none
}

.firefly {
    position: absolute;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255,236,210,0.7);
    box-shadow: 0 0 6px rgba(255,236,210,0.5);
    animation: fireflyFloat var(--dur) ease-in-out infinite;
    opacity: 0
}

@keyframes fireflyFloat {
    0% {
        opacity: 0;
        transform: translate(0,0)
    }

    15% {
        opacity: 0.6
    }

    50% {
        transform: translate(var(--mx),var(--my));
        opacity: 0.4
    }

    85% {
        opacity: 0.5
    }

    100% {
        opacity: 0;
        transform: translate(var(--ex),var(--ey))
    }
}

.landing-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 30px;
    max-width: 480px
}

.lnd-line {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease
}

.lnd-line.show {
    opacity: 1;
    transform: none
}

.lnd-for {
    font-family: 'Instrument Serif',serif;
    font-size: 52px;
    color: #fff;
    margin-bottom: 4px;
    letter-spacing: -1px
}

.lnd-from {
    font-family: 'DM Sans',sans-serif;
    font-size: 15px;
    color: rgba(255,236,210,0.6);
    letter-spacing: 5px;
    text-transform: uppercase;
    font-weight: 300;
    margin-bottom: 36px
}

.lnd-divider {
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg,transparent,rgba(252,182,159,0.5),transparent);
    margin: 0 auto 28px
}

.lnd-msg {
    font-family: 'DM Sans',sans-serif;
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    line-height: 1.9;
    margin-bottom: 8px;
    font-weight: 300
}

.lnd-msg em {
    color: #fcb69f;
    font-style: normal;
    font-weight: 500
}

.lnd-code {
    font-size: 16px;
    color: #fcb69f;
    letter-spacing: 5px;
    font-weight: 600;
    margin: 28px 0 8px
}

.lnd-infinity {
    font-size: 13px;
    color: rgba(252,182,159,0.5);
    letter-spacing: 3px;
    font-weight: 500;
    margin-bottom: 28px;
    text-transform: uppercase
}

.lnd-enter-wrap {
    display: inline-block;
    padding: 2px;
    border-radius: 30px;
    background: linear-gradient(135deg,#11ab97,#0d9488,#14b8a6,#11ab97);
    background-size: 300% 300%;
    animation: infinityFlow 4s ease infinite
}

.lnd-enter {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 40px;
    border-radius: 28px;
    background: #0a0a1a;
    color: #fff;
    font-family: 'DM Sans',sans-serif;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 0.5px
}

.lnd-enter:hover {
    background: #1a1a2e;
    transform: scale(1.05)
}

.lnd-enter:active {
    transform: scale(0.97)
}

@media(max-width: 500px) {
    .lnd-for {
        font-size:40px
    }

    .landing-moon {
        width: 55px;
        height: 55px;
        top: 8%;
        right: 8%
    }

    .moon-glow {
        width: 55px;
        height: 55px;
        top: 8%;
        right: 8%
    }
}

/* BODY SHIFT WHEN CHAT OPEN (desktop) */
@media(min-width: 601px) {
    body {
        transition:margin-right 0.3s ease
    }

    body.chat-active {
        margin-right: 480px
    }

    body.chat-active .chat-fab {
        display: none!important
    }
}

:root,[data-theme="light"] {
    --bg: #fdf6f0;
    --bg2: #f5ede4;
    --bg3: #ede3d6;
    --bg1: var(--bg);
    --card: #ffffff;
    --panel: #ffffff;
    --ink: #1a1030;
    --ink2: #4a4050;
    --ink3: #8a7e90;
    --accent: #11ab97;
    --accent2: #0d9488;
    --pink: #e06377;
    --green: #3a7d44;
    --blue: #3b6fa0;
    --gold: #b8860b;
    --teal: #0f7b6c;
    --orange: #c4572a;
    --red: #dc2626;
    --border: #ddd2c0;
    --border2: #e8dfd0;
    --hover: #f5f0eb;
    --grad: linear-gradient(135deg,#11ab97 0%,#0d9488 100%);
    --grad2: linear-gradient(135deg,#059669 0%,#14b8a6 100%);
    --shadow: 0 2px 8px rgba(44,36,24,0.06);
    --shadow2: 0 4px 20px rgba(44,36,24,0.1);
    --shadow3: 0 8px 30px rgba(44,36,24,0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --glow: 0 0 20px rgba(17,171,151,0.25);
    --glow-pink: 0 0 20px rgba(224,99,119,0.25);
    --font: 'Plus Jakarta Sans',-apple-system,sans-serif;
    --font-display: 'Space Grotesk',sans-serif;
}

/* ═══ STUDYHUB THEME — Clean teal/cyan professional ═══ */
body.theme-studyhub {
    --accent: #11ab97;
    --accent2: #0d9488;
    --grad: linear-gradient(135deg,#11ab97 0%,#0d9488 100%);
    --glow: 0 0 20px rgba(17,171,151,0.25);
    --bg: #f8fafc;
    --bg2: #f1f5f9;
    --bg3: #e2e8f0;
    --border: #e2e8f0;
    --border2: #cbd5e1
}

body.theme-studyhub .topbar {
    background: #fff;
    border-bottom: 1px solid var(--border)
}

body.theme-studyhub .course-bar {
    display: none
}

body.theme-studyhub .tb-logo {
    color: var(--accent)
}

body.theme-studyhub .tb-logo::before {
    content: '◆ ';
    color: var(--accent)
}

body.theme-studyhub .tab-bar .tab.active {
    color: var(--accent);
    border-color: var(--accent)
}

body.theme-studyhub .btn-primary {
    background: var(--accent)
}

body.theme-studyhub .teach-btn {
    background: var(--accent)
}

body.theme-studyhub .test-me-btn {
    background: var(--accent)
}

body.theme-studyhub .rate-btn.sel-green {
    border-color: var(--accent);
    color: var(--accent)
}

body.theme-studyhub .continue-card {
    background: var(--accent);
    animation: none
}

body.theme-studyhub .chat-fab {
    background: var(--accent)
}

body.theme-studyhub .lsr-stat strong {
    color: var(--accent)
}

body.theme-studyhub .syl-toggle.on {
    background: var(--accent)
}

body.theme-studyhub #tbHeart {
    display: none
}

body.theme-studyhub .dad-card {
    display: none
}

body.theme-studyhub .dad-moment {
    display: none
}

/* ═══ WARM/PERSONAL THEME — Purple, warm, personal messages ═══ */
body.theme-warm {
    --accent: #7c5cbf;
    --accent2: #b06ab3;
    --grad: linear-gradient(135deg,#7c5cbf 0%,#b06ab3 40%,#e06377 100%);
    --glow: 0 0 20px rgba(124,92,191,0.25);
    --bg: #fdf6f0;
    --bg2: #f5ede4;
    --bg3: #ede3d6;
    --border: #ddd2c0;
    --border2: #e8dfd0
}

body.theme-warm .topbar {
    background: linear-gradient(135deg,var(--bg),var(--bg2))
}

body.theme-warm .course-bar {
    display: flex
}

body.theme-warm #tbHeart {
    display: flex
}

body.theme-warm .dad-card {
    display: block
}

body.theme-warm .dad-moment {
    display: block
}

/* ═══ OCEAN THEME — Cyan/sky blue, clean and fresh ═══ */
body.theme-ocean {
    --accent: #00bcd4;
    --accent2: #0097a7;
    --grad: linear-gradient(135deg,#00bcd4 0%,#0097a7 100%);
    --glow: 0 0 20px rgba(0,188,212,0.25);
    --bg: #eef6f8;
    --bg2: #ddf0f5;
    --bg3: #c5e8f0;
    --card: #ffffff;
    --panel: #ffffff;
    --border: #b2dce8;
    --border2: #c8e8f0;
    --ink: #0d2d35;
    --ink2: #1a4a55;
    --ink3: #4a7d8a
}

body.theme-ocean .topbar {
    background: #fff;
    border-bottom: 1px solid var(--border)
}

body.theme-ocean .tb-logo {
    color: var(--accent)
}

body.theme-ocean .tb-logo::before {
    content: '◆ ';
    color: var(--accent)
}

body.theme-ocean .tab-bar .tab.active {
    color: var(--accent);
    border-color: var(--accent)
}

body.theme-ocean .btn-primary {
    background: var(--accent)
}

body.theme-ocean .teach-btn {
    background: var(--accent)
}

body.theme-ocean .test-me-btn {
    background: var(--accent)
}

body.theme-ocean .rate-btn.sel-green {
    border-color: var(--accent);
    color: var(--accent)
}

body.theme-ocean .continue-card {
    background: var(--accent);
    animation: none
}

body.theme-ocean .chat-fab {
    background: var(--accent)
}

body.theme-ocean .lsr-stat strong {
    color: var(--accent)
}

body.theme-ocean .syl-toggle.on {
    background: var(--accent)
}

body.theme-ocean .formula-box {
    background: rgba(0,188,212,0.08);
    border-color: rgba(0,188,212,0.3);
    color: var(--accent)
}

body.theme-ocean .concept-tag {
    background: rgba(0,188,212,0.12);
    color: var(--accent2)
}

body.theme-ocean .dad-card {
    display: none
}

body.theme-ocean .dad-moment {
    display: none
}

body.theme-ocean #tbHeart {
    display: none
}

body.theme-ocean .course-bar {
    display: none
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0f0f18;
    --bg2: #1a1a28;
    --bg3: #252535;
    --bg1: var(--bg);
    --card: #1e1e2e;
    --panel: #1a1a28;
    --ink: #f0f0f5;
    --ink2: #c4c4d0;
    --ink3: #8888a0;
    --border: #3a3a50;
    --border2: #2a2a3a;
    --hover: #2a2a3a;
    --shadow: 0 2px 8px rgba(0,0,0,0.2);
    --shadow2: 0 4px 20px rgba(0,0,0,0.3);
    --shadow3: 0 8px 30px rgba(0,0,0,0.4);
}

/* Palette themes set light neutrals on body — re-apply dark surfaces/text/borders while keeping each theme's accent */
[data-theme="dark"] body.theme-studyhub, [data-theme="dark"] body.theme-warm, [data-theme="dark"] body.theme-ocean {
    --bg: #0f0f18;
    --bg2: #1a1a28;
    --bg3: #252535;
    --bg1: var(--bg);
    --card: #1e1e2e;
    --panel: #1a1a28;
    --ink: #f0f0f5;
    --ink2: #c4c4d0;
    --ink3: #8888a0;
    --border: #3a3a50;
    --border2: #2a2a3a;
    --hover: #2a2a3a;
    --shadow: 0 2px 8px rgba(0,0,0,0.2);
    --shadow2: 0 4px 20px rgba(0,0,0,0.3);
    --shadow3: 0 8px 30px rgba(0,0,0,0.4);
}

[data-theme="dark"] body.theme-studyhub .topbar, [data-theme="dark"] body.theme-ocean .topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent
}

html {
    height: -webkit-fill-available;
    -webkit-text-size-adjust: 100%
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--ink);
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    min-height: -webkit-fill-available;
    transition: background 0.3s,color 0.3s;
    -webkit-font-smoothing: antialiased;
    -webkit-text-size-adjust: 100%;
    overscroll-behavior-y: none
}

button,a,.tab,.topic-card,.sub-card,.mood-btn,.feeling-btn,.rate-btn,.huh-btn,.calc-btn,.followup-pill {
    touch-action: manipulation;
    -webkit-touch-callout: none
}

.topbar,.tab-bar,.concept-nav,.concept-actions,.stat-row,.mood-row,.calc-btns {
    -webkit-user-select: none;
    user-select: none
}

::-webkit-scrollbar {
    width: 5px
}

::-webkit-scrollbar-track {
    background: transparent
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px
}

a {
    color: var(--accent)
}

/* ═══ COURSE LIBRARY ═══ */
.library-screen {
    max-width: 700px;
    margin: 0 auto;
    padding: 24px 16px 100px
}

.precourse-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 16px;
    margin-bottom: 18px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05)
}

.precourse-copy {
    min-width: 0
}

.precourse-title {
    font-weight: 800;
    font-size: 14px;
    color: var(--ink);
    margin-bottom: 3px
}

.precourse-sub {
    font-size: 11px;
    color: var(--ink3);
    line-height: 1.5
}

.precourse-lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    direction: ltr;
    flex-shrink: 0
}

.precourse-lang-btn {
    min-width: 42px;
    height: 34px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid var(--border2);
    background: var(--bg2);
    color: var(--ink2);
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.15s
}

.precourse-lang-btn:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.precourse-lang-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(124,92,191,0.2)
}

.library-hero {
    text-align: center;
    padding: 40px 20px 30px
}

.library-hero h1 {
    font-family: 'Instrument Serif',serif;
    font-size: 32px;
    margin-bottom: 6px
}

.library-hero p {
    color: var(--ink3);
    font-size: 14px
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(280px,1fr));
    gap: 14px;
    margin-bottom: 20px
}

.course-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: var(--radius);
    padding: 22px;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow);
    border-color: var(--accent)
}

.course-card .cc-icon {
    font-size: 32px;
    margin-bottom: 8px
}

.course-card .cc-name {
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 2px
}

.course-card .cc-meta {
    font-size: 12px;
    color: var(--ink3)
}

.course-card .cc-stats {
    display: flex;
    gap: 12px;
    margin-top: 10px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent)
}

.course-card .cc-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 4px
}

.course-card .cc-act-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--card);
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.15s
}

.course-card:hover .cc-act-btn {
    opacity: 1
}

.course-card .cc-act-btn:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.course-card.create-new {
    border: 2px dashed var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    color: var(--ink3)
}

.course-card.create-new:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.course-card.default-tag::before {
    content: 'DEFAULT';
    position: absolute;
    top: 0;
    left: 0;
    background: var(--grad);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 3px 10px;
    border-radius: 0 0 8px 0
}

.library-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px
}

/* CONTINUE STUDYING CARD */
.continue-card {
    position: relative;
    border-radius: 18px;
    padding: 3px;
    margin-bottom: 20px;
    background: linear-gradient(135deg,#11ab97,#0d9488,#14b8a6,#11ab97);
    background-size: 400% 400%;
    animation: infinityFlow 6s ease infinite
}

.continue-inner {
    background: var(--card);
    border-radius: 15px;
    padding: 24px;
    position: relative;
    overflow: hidden
}

.continue-inner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg,transparent,rgba(124,92,191,0.03),transparent,rgba(224,99,119,0.03),transparent);
    animation: infinitySpin 10s linear infinite;
    pointer-events: none
}

.continue-greeting {
    font-family: 'Instrument Serif',serif;
    font-size: 26px;
    margin-bottom: 4px;
    position: relative
}

.continue-sub {
    font-size: 13px;
    color: var(--ink3);
    margin-bottom: 16px;
    position: relative
}

.continue-course {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: var(--bg2);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    margin-bottom: 14px
}

.continue-course:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow)
}

.continue-course .cc-big-icon {
    font-size: 36px
}

.continue-course .cc-info {
    flex: 1;
    min-width: 0
}

.continue-course .cc-info .name {
    font-weight: 700;
    font-size: 16px
}

.continue-course .cc-info .meta {
    font-size: 12px;
    color: var(--ink3);
    margin-top: 2px
}

.continue-course .cc-info .prog {
    display: flex;
    gap: 12px;
    margin-top: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent)
}

.continue-course .cc-arrow {
    font-size: 24px;
    color: var(--accent);
    animation: pulseRight 2s ease-in-out infinite
}

@keyframes pulseRight {
    0%,100% {
        transform: translateX(0);
        opacity: 0.6
    }

    50% {
        transform: translateX(4px);
        opacity: 1
    }
}

.continue-or {
    text-align: center;
    font-size: 12px;
    color: var(--ink3);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 14px;
    position: relative
}

.continue-other {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    position: relative
}

.continue-other-btn {
    flex: 1;
    min-width: 120px;
    padding: 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--card);
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
    font-family: 'DM Sans',sans-serif
}

.continue-other-btn:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow)
}

.continue-other-btn .icon {
    font-size: 20px;
    margin-bottom: 4px
}

.continue-other-btn .label {
    font-size: 12px;
    font-weight: 700;
    color: var(--ink2)
}

/* ═══ COURSE CREATOR ═══ */
.creator-screen {
    max-width: 600px;
    margin: 0 auto;
    padding: 24px 16px 100px
}

.creator-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 14px
}

.creator-card label {
    display: block;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ink3);
    margin-bottom: 6px;
    margin-top: 14px
}

.creator-card label:first-child {
    margin-top: 0
}

.gen-progress {
    background: var(--card);
    border: 2px solid var(--accent);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    margin-bottom: 14px
}

.gen-progress .spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--bg2);
    border-top: 4px solid var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 12px
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

.gen-progress .status {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 4px
}

.gen-progress .sub {
    font-size: 13px;
    color: var(--ink3)
}

.gen-log {
    max-height: 120px;
    overflow-y: auto;
    font-size: 11px;
    color: var(--ink3);
    text-align: left;
    margin-top: 12px;
    padding: 8px;
    background: var(--bg2);
    border-radius: 8px;
    font-family: 'JetBrains Mono',monospace
}

.gen-preview {
    margin-top: 16px;
    text-align: left
}

.gen-topic-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 8px;
    animation: genSlide 0.4s ease
}

.gen-topic-card .gt-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px
}

.gen-topic-card .gt-icon {
    font-size: 22px
}

.gen-topic-card .gt-title {
    font-weight: 700;
    font-size: 14px
}

.gen-topic-card .gt-subs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px
}

.gen-topic-card .gt-sub {
    font-size: 11px;
    background: var(--bg2);
    padding: 3px 8px;
    border-radius: 6px;
    color: var(--ink2)
}

.gen-topic-card.generating {
    border-color: var(--accent);
    border-style: dashed
}

@keyframes genSlide {
    from {
        opacity: 0;
        transform: translateY(10px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

/* ═══ STUDY HUB — CREATE / CRAFTING / READY FLOW ═══ */
.sh-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0
}

.sh-flow {
    min-height: 100dvh;
    background: var(--bg2);
    padding: 0 16px 48px
}

.sh-flow-header {
    display: flex;
    width: 100%;
    max-width: 1905px;
    height: 65px;
    border-bottom: 1px solid var(--border2);
    padding-top: 16px;
    padding-bottom: 1px;
    box-sizing: border-box;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding-left:clamp(16px,calc((100vw - 896px)/2),504.5px);
    padding-right:clamp(16px,calc((100vw - 896px)/2),504.5px);
    margin: 0 auto
}

/* Hide the bottom footer menu during the create/crafting/ready flow. */
body.sh-flow-mode .tab-bar {
    display: none !important
}

/* Prevent layout-driven extra page scrollbars in fixed-size flow screens. */
body.sh-flow-mode { overflow-x: hidden }
body.sh-flow-mode .sh-flow { padding: 0 }

.sh-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    color: var(--ink);
    cursor: pointer;
    user-select: none
}

.sh-brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: rgba(20,184,166,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0
}

body:not(.theme-studyhub) .sh-brand-icon {
    background: rgba(124,92,191,0.12)
}

.sh-flow-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--ink3)
}

.sh-flow-status.success {
    color: var(--accent);
    font-weight: 600
}

.sh-flow-status .sh-spin {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
    flex-shrink: 0
}

.sh-flow-logo {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none
}

.sh-flow-logo-img {
    display: block;
    width: 131px;
    height: 27px
}

.sh-lang-row {
    width: 226.359375px;
    height: 32px;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: flex-end
}

.sh-lang-left {
    display: flex;
    align-items: center;
    gap: 8px
}

@media (max-width: 768px) {
    .sh-lang-left {
        display: none;
    }
}

.sh-lang-icon {
    width: 16px;
    height: 16px;
    display: block
}

.sh-lang-label {
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    font-weight: 400;
    color: #6A7282;
    line-height: 20px;
    letter-spacing: 0px;
    text-align: center
}

.sh-lang-btn-row {
    display: flex;
    align-items: center;
    gap: 8px
}

.sh-lang-pill {
    width: 42.265625px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: #F3F4F6;
    color: #6A7282;
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    line-height: 20px;
    font-weight: 400;
    letter-spacing: 0px;
    text-align: center;
    cursor: pointer;
    padding: 0
}

.sh-lang-pill.active {
    background: #15B79E;
    color: #ffffff;
    font-weight: 500
}

.sh-lang-pill:hover {
    filter: none
}

.sh-hero {
    text-align: center;
    max-width: 640px;
    margin: 12px auto 20px
}

.sh-hero-badge {
    color: var(--accent);
    font-size: 18px;
    margin-bottom: 8px;
    line-height: 1
}

.sh-hero h1 {
    font-size: clamp(22px,4vw,28px);
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 8px;
    letter-spacing: -0.02em
}

.sh-hero p {
    font-size: 14px;
    color: var(--ink3);
    line-height: 1.5
}

.sh-create-card {
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 20px;
    padding: 28px 24px 24px;
    box-shadow: var(--shadow2)
}

/* Precise create-card sizing for the first flow screen */
body.sh-flow-mode .sh-create-card {
    width: min(896px, 80vw);
    min-width: 320px;
    border-radius: 14px;
    border-width: 1px;
    padding: 1px;
    box-shadow: none;
    background: var(--card);
    margin: 0 auto;
    overflow: hidden;
}

body.sh-flow-mode .sh-hero { display: block }

/* Line 1: logo + title; line 2: subtitle (see .sh-hero > p) */
body.sh-flow-mode .sh-hero-title-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 auto 10px;
  width: 100%;
  box-sizing: border-box;
}

body.sh-flow-mode .sh-hero-badge{
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  margin: 0;
  flex-shrink: 0;
}
body.sh-flow-mode .sh-hero-title-row h1{
  font-family: Inter,system-ui,sans-serif;
  font-weight: 700;
  font-size: 36px;
  line-height: 40px;
  letter-spacing: 0px;
  text-align: center;
  margin:0;
  flex: 1 1 auto;
  min-width: 0;
}
body.sh-flow-mode .sh-hero p{
  font-family: Inter,system-ui,sans-serif;
  font-weight: 400;
  font-size: 18px;
  line-height: 28px;
  letter-spacing: 0px;
  text-align: center;
  margin:0;
  color: var(--ink3);
}

html[dir="rtl"] body.sh-flow-mode .sh-hero-title-row {
  flex-direction: row-reverse;
}

body.sh-flow-mode .sh-create-inner {
  gap:30px;
  width: 100%;
  border-radius: 13px;
  background: var(--card);
  padding: 28px 24px 24px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
}

body.sh-flow-mode .sh-curriculum-selection {
    width: 100%;
    /* height: 234px; */
    gap: 16px;
    display: flex;
    flex-direction: column;
}

body.sh-flow-mode .sh-course-details {
    width: 100%;
    /* height: 632px; */
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

body.sh-flow-mode .sh-curr-grid {
    width: 100%;
    display: grid;
    column-gap: 12px;
    row-gap: 12px;
    justify-content: flex-start;
    align-content: flex-start;
}

body.sh-flow-mode .sh-curr-card {
    width: 100%;
    height: 100px;
    border-radius: 10px;
    border-width: 2px;
    border-style: solid;
    border-color: #E5E7EB;
    padding: 18px 18px 2px 18px;
    background: #F3F4F6;
    box-sizing: border-box;
    gap: 8px;
}

body.sh-flow-mode .sh-curr-card .sh-curr-label {
    font-family: Inter,system-ui,sans-serif;
    font-weight: 500;
    font-size: 12px;
    line-height: 16px;
    letter-spacing: 0px;
    text-align: center;
    color: inherit;
}

body.sh-flow-mode .sh-field label {
    font-size: 12px;
}

body.sh-flow-mode .sh-section-title {
    font-size: 12px;
}

body.sh-flow-mode .sh-create-card input,
body.sh-flow-mode .sh-create-card select,
body.sh-flow-mode .sh-create-card textarea {
    font-size: 12px;
    padding: 4px;
}

body.sh-flow-mode .sh-create-card select {
    padding-right: 28px;
    background-position: right 8px center;
}

/* Import + Generate footer row (flow mode) */
body.sh-flow-mode .sh-footer-row{
  width:100%;
  height:97px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 32px;
  gap:16px;
  background:#F9FAFB;
  border-top:1px solid #E5E7EB;
  box-sizing:border-box;
  margin-top:0;
  margin-left:auto;
  margin-right:auto;
  align-self:stretch;
}

body.sh-flow-mode .sh-import-btn{
  white-space: nowrap;
  width:146.078125px;
  height:20px;
  padding:0;
  border:none;
  background:none;
  gap:8px;
  color:#4A5565;
  font-family:Inter,system-ui,sans-serif;
  font-weight:500;
  font-size:14px;
  line-height:20px;
  text-decoration:none;
  cursor:pointer;
}

body.sh-flow-mode .sh-gen-btn{
  width:202.078125px;
  height:48px;
  padding:0;
  border-radius:10px;
  border:none;
  background:#15B79E;
  color:#fff;
  font-family:Inter,system-ui,sans-serif;
  font-weight:600;
  font-size:16px;
  line-height:24px;
  letter-spacing:0px;
  opacity:0.5;
  cursor:pointer;
  box-shadow:none;
}

body.sh-flow-mode .sh-gen-btn:not(:disabled){
  opacity:1;
}

/* Divider between curriculum selection and course details */
body.sh-flow-mode .sh-flow-divider{
  width:830px;
  height:1px;
  border-top:1px solid #E5E7EB;
  margin:0;
}

body.sh-flow-mode .sh-curr-card.active {
    background: #15B79E;
    border-color: #15B79E;
    color: #ffffff;
}

body.sh-flow-mode .sh-curr-flag {
    font-size: 28px;
    line-height: 1;
}

.sh-section {
    margin-bottom: 28px
}

.sh-section:last-of-type {
    margin-bottom: 20px
}

.sh-section-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px
}

.sh-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0
}

.sh-section-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--ink)
}

.sh-curr-grid {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 12px
}

@media(min-width: 560px) {
    .sh-curr-grid {
        grid-template-columns:repeat(4,minmax(0,1fr))
    }
}

.sh-curr-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 10px;
    border: 2px solid var(--border2);
    border-radius: 14px;
    background: var(--card);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 13px;
    font-weight: 700;
    color: var(--ink2);
    text-align: center
}

.sh-curr-card:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.sh-curr-card.active {
    border-color: var(--accent);
    background: rgba(20,184,166,0.06);
    color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent)
}

body:not(.theme-studyhub) .sh-curr-card.active {
    background: rgba(124,92,191,0.06)
}

.sh-curr-flag {
    font-size: 28px;
    line-height: 1
}

.sh-curr-flag-img{
    width: 44px;
    height: 28px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid #E5E7EB;
    display: block
}

.sh-field {
    margin-top: 16px
}

.sh-field label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px
}

.sh-field .req {
    color: var(--red)
}

.sh-hint {
    font-size: 12px;
    color: var(--ink3);
    margin-top: 6px;
    line-height: 1.45
}

.sh-create-card input,.sh-create-card select,.sh-create-card textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border2);
    border-radius: 12px;
    font-size: 14px;
    font-family: inherit;
    background: var(--card);
    color: var(--ink)
}

.sh-create-card textarea {
    min-height: 96px;
    resize: vertical
}

.sh-create-card select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a7e90' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px
}

.sh-footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 8px
}

.sh-import-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    border: none;
    background: none;
    color: var(--ink2);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit
}

.sh-import-btn:hover {
    color: var(--accent)
}

.sh-gen-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 14px;
    border: none;
    background: var(--accent);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(20,184,166,0.3);
    transition: transform 0.15s,opacity 0.15s;
    font-family: inherit
}

body:not(.theme-studyhub) .sh-gen-btn {
    box-shadow: 0 6px 20px rgba(124,92,191,0.28)
}

.sh-gen-btn:hover:not(:disabled) {
    transform: translateY(-1px)
}

.sh-gen-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed
}

.sh-foot-note {
    text-align: center;
    font-size: 12px;
    color: var(--ink3);
    margin-top: 20px
}

.sh-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
    padding: 0;
    border: none;
    background: none;
    color: var(--ink2);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit
}

.sh-back-link:hover {
    color: var(--accent)
}

.sh-crafting-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding-bottom: 48px
}

.sh-crafting-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px
}

@media(min-width: 960px) {
    .sh-crafting-grid {
        grid-template-columns:1fr 300px;
        align-items: start
    }
}

.sh-crafting-main {
    text-align: center
}

.sh-craft-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    border-radius: 20px;
    background: rgba(20,184,166,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--accent)
}

body:not(.theme-studyhub) .sh-craft-icon {
    background: rgba(124,92,191,0.12);
    color: var(--accent)
}

.sh-crafting-main h1 {
    font-size: 26px;
    font-weight: 800;
    margin-bottom: 6px;
    color: var(--ink)
}

.sh-craft-sub {
    font-size: 15px;
    color: var(--ink3);
    margin-bottom: 8px
}

.sh-craft-eta {
    font-size: 12px;
    color: var(--ink3);
    margin-bottom: 22px
}

.sh-progress-card {
    text-align: left;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 16px;
    padding: 16px 18px;
    margin-bottom: 16px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto
}

.sh-progress-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink)
}

.sh-progress-pct {
    font-weight: 800;
    color: var(--accent)
}

.sh-progress-track {
    height: 8px;
    background: var(--bg2);
    border-radius: 999px;
    overflow: hidden
}

.sh-progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 999px;
    transition: width 0.4s ease
}

.sh-steps-card {
    text-align: left;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 16px;
    padding: 18px;
    max-width: 560px;
    margin: 0 auto
}

.sh-steps-card h2 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--ink)
}

.sh-step-row {
    display: flex;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border2)
}

.sh-step-row:last-child {
    border-bottom: none
}

.sh-step-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--bg2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    opacity: 0.45
}

.sh-step-row.done .sh-step-icon {
    background: rgba(20,184,166,0.2);
    opacity: 1
}

.sh-step-row.active .sh-step-icon {
    background: rgba(20,184,166,0.18);
    opacity: 1
}

body:not(.theme-studyhub) .sh-step-row.done .sh-step-icon {
    background: rgba(124,92,191,0.18)
}

body:not(.theme-studyhub) .sh-step-row.active .sh-step-icon {
    background: rgba(124,92,191,0.15)
}

.sh-step-body {
    flex: 1;
    min-width: 0
}

.sh-step-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--ink3);
    display: flex;
    align-items: center;
    gap: 3px
}

.sh-step-row.active .sh-step-title,.sh-step-row.done .sh-step-title {
    color: var(--ink)
}

.sh-step-desc {
    font-size: 12px;
    color: var(--ink3);
    margin-top: 4px;
    line-height: 1.45
}

.sh-step-row.done .sh-step-desc {
    color: var(--ink2)
}

.sh-step-mini-spin {
    width: 14px;
    height: 14px;
    border: 2px solid var(--border2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-left: 6px
}

.sh-step-check {
    color: var(--accent);
    font-weight: 800;
    margin-left: auto;
    font-size: 16px
}

.sh-side-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 14px
}

.sh-side-card.purple {
    background: rgba(217,70,239,0.06);
    border-color: rgba(217,70,239,0.28)
}

.sh-side-card h3 {
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ink)
}

.sh-side-card p,.sh-side-card li {
    font-size: 12px;
    color: var(--ink2);
    line-height: 1.5
}

.sh-side-card ul {
    margin: 0;
    padding: 0;
    list-style: none
}

.sh-side-card li {
    padding: 8px 0;
    display: flex;
    gap: 8px;
    align-items: flex-start;
    border-bottom: 1px solid var(--border2)
}

.sh-side-card li:last-child {
    border-bottom: none
}

.sh-bullet-teal {
    color: var(--accent);
    font-weight: 800
}

.sh-wyl-muted {
    opacity: 0.55
}

.sh-checklist-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink2);
    border-bottom: 1px solid var(--border2)
}

.sh-checklist-row:last-child {
    border-bottom: none
}

.sh-check-teal {
    color: var(--accent);
    font-size: 16px
}

.sh-ready-wrap {
    max-width: 560px;
    margin: 0 auto;
    padding-bottom: 48px
}

.sh-ready-hero {
    text-align: center;
    margin: 8px 0 22px
}

.sh-ready-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 14px;
    border-radius: 22px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 38px;
    color: #fff;
    box-shadow: 0 12px 32px rgba(20,184,166,0.35)
}

.sh-ready-hero h1 {
    font-size: 26px;
    font-weight: 800;
    color: var(--ink);
    margin-bottom: 8px
}

.sh-ready-sub {
    font-size: 15px;
    color: var(--ink3)
}

.sh-ready-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow2);
    margin-bottom: 18px
}

.sh-ready-stats {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 8px;
    padding: 20px 16px;
    background: rgba(20,184,166,0.1);
    text-align: center
}

body:not(.theme-studyhub) .sh-ready-stats {
    background: rgba(124,92,191,0.08)
}

.sh-stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent)
}

.sh-stat-item .num {
    font-size: 22px;
    font-weight: 800
}

.whats-inside {
    padding: 18px 18px 20px
}

.whats-inside h2 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ink)
}

.sh-mod-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border2);
    border-radius: 12px;
    margin-bottom: 10px;
    background: var(--bg1)
}

.sh-mod-num {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px
}

.sh-mod-info {
    flex: 1;
    min-width: 0
}

.sh-mod-info .t {
    font-weight: 700;
    font-size: 14px;
    color: var(--ink)
}

.sh-mod-info .m {
    font-size: 12px;
    color: var(--ink3);
    margin-top: 2px
}

.sh-mod-badge {
    font-size: 10px;
    font-weight: 800;
    padding: 4px 8px;
    border-radius: 8px;
    background: rgba(20,184,166,0.15);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.03em
}

.sh-more-mods {
    text-align: center;
    font-size: 13px;
    color: var(--ink3);
    padding: 8px 0 4px
}

.sh-ready-actions {
    display: flex;
    flex-direction: column;
    gap: 12px
}

.sh-btn-primary-lg {
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    border: none;
    background: var(--accent);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 8px 24px rgba(20,184,166,0.28)
}

.sh-btn-secondary-lg {
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    border: 1px solid var(--border2);
    background: var(--card);
    color: var(--ink2);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit
}

.sh-auto-text {
    text-align: center;
    font-size: 13px;
    color: var(--ink3);
    margin-top: 14px;
    line-height: 1.6
}

.sh-auto-text strong {
    color: var(--accent)
}

.sh-auto-text button.link {
    background: none;
    border: none;
    padding: 0;
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit
}

.sh-jasmin-banner {
    margin-top: 24px;
    padding: 18px 20px;
    border-radius: 16px;
    background: rgba(17,171,151,0.08);
    border: 1px solid rgba(17,171,151,0.22);
    display: flex;
    gap: 14px;
    align-items: flex-start
}

.sh-jasmin-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg,#0d9488,#11ab97);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    flex-shrink: 0
}

.sh-jasmin-banner h3 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 6px;
    color: var(--ink)
}

.sh-jasmin-banner p {
    font-size: 13px;
    color: var(--ink2);
    line-height: 1.55;
    margin: 0
}

.crafting-error {
    margin-top: 16px;
    padding: 14px;
    border-radius: 12px;
    background: rgba(220,38,38,0.08);
    border: 1px solid rgba(220,38,38,0.25);
    color: var(--ink);
    font-size: 13px;
    text-align: left
}

.crafting-error .ce-actions {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap
}

/* ═══ EMOX — Emotional State Adaptations ═══ */
.breather-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    padding: 20px
}

.breather-overlay.active {
    opacity: 1
}

.breather-card {
    background: var(--card);
    border-radius: 20px;
    padding: 36px 28px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1)
}

.breather-overlay.active .breather-card {
    transform: scale(1)
}

/* Emotional encouragement bar */
.emox-encourage {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 14px;
    font-size: 13px;
    line-height: 1.6;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: emoxFade 0.6s ease
}

.emox-encourage .ee-icon {
    font-size: 24px;
    flex-shrink: 0
}

.emox-encourage.gentle {
    background: linear-gradient(135deg,rgba(124,92,191,0.08),rgba(224,99,119,0.08));
    border: 1px solid rgba(124,92,191,0.15);
    color: var(--ink2)
}

.emox-encourage.celebrate {
    background: linear-gradient(135deg,rgba(58,125,68,0.08),rgba(245,158,11,0.08));
    border: 1px solid rgba(58,125,68,0.15);
    color: var(--ink)
}

.emox-encourage.challenge {
    background: linear-gradient(135deg,rgba(59,130,246,0.08),rgba(124,92,191,0.08));
    border: 1px solid rgba(59,130,246,0.15);
    color: var(--ink)
}

@keyframes emoxFade {
    from {
        opacity: 0;
        transform: translateY(-8px)
    }

    to {
        opacity: 1;
        transform: none
    }
}

/* Body-level emotional adaptations via data-emox attribute */
[data-emox="struggling"] .concept-hero {
    border-color: var(--pink)
}

[data-emox="struggling"] .go-deeper,[data-emox="frustrated"] .go-deeper {
    display: none
}

[data-emox="thriving"] .concept-hero {
    border-color: var(--green)
}

/* ═══ FAILURE CELEBRATION ENGINE ═══ */
.fc-card {
    margin-top: 14px;
    border-radius: 16px;
    overflow: hidden;
    animation: fcSlide 0.5s ease
}

.fc-header {
    padding: 16px 18px;
    background: linear-gradient(135deg,rgba(124,92,191,0.08),rgba(245,158,11,0.08));
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border2)
}

.fc-header .fc-icon {
    font-size: 32px
}

.fc-header .fc-title {
    font-family: 'Instrument Serif',serif;
    font-size: 18px
}

.fc-body {
    padding: 18px
}

.fc-section {
    margin-bottom: 16px
}

.fc-section:last-child {
    margin-bottom: 0
}

.fc-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px
}

.fc-label.smart {
    color: #7c5cbf
}

.fc-label.detour {
    color: var(--orange)
}

.fc-label.discover {
    color: var(--green)
}

.fc-label.redirect {
    color: var(--accent)
}

.fc-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--ink2)
}

.fc-quote {
    font-family: 'Instrument Serif',serif;
    font-size: 16px;
    color: var(--ink);
    padding: 12px 16px;
    background: linear-gradient(135deg,rgba(124,92,191,0.06),rgba(245,158,11,0.06));
    border-radius: 12px;
    border-left: 3px solid #7c5cbf;
    margin: 8px 0
}

.fc-answer-input {
    display: flex;
    gap: 8px;
    margin-top: 8px
}

.fc-answer-input input {
    flex: 1;
    font-size: 14px;
    padding: 10px 14px;
    border: 2px solid var(--border2);
    border-radius: 10px;
    background: var(--card);
    color: var(--ink);
    transition: border-color 0.2s
}

.fc-answer-input input:focus {
    border-color: var(--accent);
    outline: none
}

.fc-answer-input button {
    white-space: nowrap
}

.fc-or {
    font-size: 12px;
    color: var(--ink3);
    text-align: center;
    padding: 6px 0
}

@keyframes fcSlide {
    from {
        opacity: 0;
        transform: translateY(12px)
    }

    to {
        opacity: 1;
        transform: none
    }
}

.fc-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    background: linear-gradient(135deg,rgba(124,92,191,0.1),rgba(245,158,11,0.1));
    color: #7c5cbf;
    margin-top: 8px
}

/* ═══ TEACH MODE (Protégé Effect) ═══ */
.teach-session {
    margin-top: 14px;
    border: 2px solid var(--accent);
    border-radius: 16px;
    overflow: hidden;
    animation: fcSlide 0.5s ease
}

.teach-header {
    padding: 14px 18px;
    background: linear-gradient(135deg,rgba(59,130,246,0.08),rgba(124,92,191,0.06));
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border2)
}

.teach-header .teach-av {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg,#3b82f6,#60a5fa);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0
}

.teach-header .teach-name {
    font-weight: 700;
    font-size: 14px
}

.teach-header .teach-sub {
    font-size: 11px;
    color: var(--ink3)
}

.teach-body {
    padding: 0
}

.teach-msgs {
    padding: 14px 16px;
    max-height: 400px;
    overflow-y: auto
}

.teach-msg {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    animation: emoxFade 0.4s ease
}

.teach-msg .tm-av {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 2px
}

.teach-msg.kai .tm-av {
    background: linear-gradient(135deg,#3b82f6,#60a5fa);
    color: #fff
}

.teach-msg.student .tm-av {
    background: linear-gradient(135deg,#7c5cbf,#a78bfa);
    color: #fff
}

.teach-msg .tm-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.7;
    max-width: 85%
}

.teach-msg.kai .tm-bubble {
    background: rgba(59,130,246,0.08);
    border: 1px solid rgba(59,130,246,0.12);
    color: var(--ink)
}

.teach-msg.student .tm-bubble {
    background: rgba(124,92,191,0.08);
    border: 1px solid rgba(124,92,191,0.12);
    color: var(--ink);
    margin-left: auto
}

.teach-msg.student {
    flex-direction: row-reverse
}

.teach-msg .tm-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px
}

.teach-msg.kai .tm-label {
    color: #3b82f6
}

.teach-msg.student .tm-label {
    color: #7c5cbf;
    text-align: right
}

.teach-input {
    padding: 12px 16px;
    border-top: 1px solid var(--border2);
    display: flex;
    gap: 8px;
    background: var(--bg2)
}

.teach-input textarea {
    flex: 1;
    font-size: 14px;
    padding: 10px 14px;
    border: 2px solid var(--border2);
    border-radius: 12px;
    background: var(--card);
    color: var(--ink);
    resize: none;
    min-height: 44px;
    max-height: 120px;
    font-family: inherit;
    line-height: 1.5;
    transition: border-color 0.2s
}

.teach-input textarea:focus {
    border-color: var(--accent);
    outline: none
}

.teach-input button {
    white-space: nowrap;
    align-self: flex-end
}

.teach-mistake {
    background: rgba(245,158,11,0.08)!important;
    border-color: rgba(245,158,11,0.2)!important
}

.teach-catch {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap
}

.teach-catch button {
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1.5px solid;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s
}

.teach-catch .tc-correct {
    background: rgba(58,125,68,0.06);
    border-color: rgba(58,125,68,0.3);
    color: var(--green)
}

.teach-catch .tc-correct:hover {
    background: rgba(58,125,68,0.12)
}

.teach-catch .tc-wrong {
    background: rgba(245,158,11,0.06);
    border-color: rgba(245,158,11,0.3);
    color: var(--orange)
}

.teach-catch .tc-wrong:hover {
    background: rgba(245,158,11,0.12)
}

.teach-grade {
    padding: 18px;
    text-align: center;
    border-top: 2px solid var(--border2);
    background: linear-gradient(135deg,rgba(59,130,246,0.04),rgba(124,92,191,0.04))
}

.teach-grade .tg-title {
    font-family: 'Instrument Serif',serif;
    font-size: 22px;
    margin-bottom: 4px
}

.teach-grade .tg-sub {
    font-size: 13px;
    color: var(--ink2);
    margin-bottom: 12px;
    line-height: 1.6
}

.teach-grade .tg-score {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent)
}

.teach-btn {
    background: linear-gradient(135deg,#3b82f6,#7c5cbf);
    color: #fff;
    border: none;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: transform 0.2s,opacity 0.2s
}

.teach-btn:hover {
    transform: scale(1.02);
    opacity: 0.9
}

.teach-btn:disabled {
    opacity: 0.5;
    transform: none
}

/* ═══ LIVING TEXTBOOK ═══ */
.life-example {
    background: linear-gradient(135deg,rgba(59,130,246,0.05),rgba(20,184,166,0.05));
    border: 1.5px solid rgba(59,130,246,0.15);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
    animation: fcSlide 0.5s ease
}

.life-example::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,#3b82f6,#14b8a6,#7c5cbf)
}

.life-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #3b82f6;
    margin-bottom: 8px
}

.life-label .ll-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: lifePulse 2s infinite
}

@keyframes lifePulse {
    0%,100% {
        opacity: 0.4
    }

    50% {
        opacity: 1
    }
}

.life-body {
    font-size: 14px;
    line-height: 1.75;
    color: var(--ink)
}

.life-rewrite-btn {
    background: linear-gradient(135deg,rgba(59,130,246,0.08),rgba(20,184,166,0.08));
    border: 1.5px solid rgba(59,130,246,0.2);
    color: #3b82f6;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
    margin-top: 10px
}

.life-rewrite-btn:hover {
    background: linear-gradient(135deg,rgba(59,130,246,0.14),rgba(20,184,166,0.14));
    transform: scale(1.02)
}

.life-rewrite-btn:disabled {
    opacity: 0.5;
    transform: none
}

.life-profile-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 14px
}

.life-interest {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(59,130,246,0.08);
    color: #3b82f6;
    margin: 2px
}

.life-world {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(124,92,191,0.08);
    color: var(--accent);
    margin: 2px
}

/* ═══ PEER INTELLIGENCE NETWORK ═══ */
.peer-card {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border2);
    margin-bottom: 14px;
    animation: fcSlide 0.5s ease
}

.peer-header {
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg,rgba(20,184,166,0.06),rgba(59,130,246,0.04))
}

.peer-av {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0
}

.peer-av.green {
    background: linear-gradient(135deg,#14b8a6,#34d399)
}

.peer-av.blue {
    background: linear-gradient(135deg,#3b82f6,#60a5fa)
}

.peer-av.purple {
    background: linear-gradient(135deg,#7c5cbf,#a78bfa)
}

.peer-name {
    font-weight: 700;
    font-size: 14px
}

.peer-meta {
    font-size: 11px;
    color: var(--ink3)
}

.peer-body {
    padding: 16px
}

.peer-quote {
    font-family: 'Instrument Serif',serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink);
    padding: 12px 16px;
    background: rgba(20,184,166,0.04);
    border-radius: 12px;
    border-left: 3px solid #14b8a6;
    margin-bottom: 12px
}

.peer-path {
    display: flex;
    flex-direction: column;
    gap: 8px
}

.peer-step {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 13px;
    line-height: 1.6
}

.peer-step .ps-marker {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 2px
}

.peer-step .ps-stuck {
    background: rgba(245,158,11,0.1);
    color: var(--orange)
}

.peer-step .ps-try {
    background: rgba(59,130,246,0.1);
    color: #3b82f6
}

.peer-step .ps-click {
    background: rgba(58,125,68,0.1);
    color: var(--green)
}

.peer-connect {
    padding: 14px 16px;
    border-top: 1px solid var(--border2);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--ink3)
}

.peer-connect .pc-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: lifePulse 2s infinite
}

.dna-bar {
    display: flex;
    gap: 2px;
    margin: 6px 0
}

.dna-bar .dna-seg {
    height: 6px;
    border-radius: 3px;
    flex: 1;
    opacity: 0.6
}

.dna-bar .dna-seg.visual {
    background: #3b82f6
}

.dna-bar .dna-seg.story {
    background: #7c5cbf
}

.dna-bar .dna-seg.analogy {
    background: #14b8a6
}

.dna-bar .dna-seg.technical {
    background: #f59e0b
}

.dna-bar .dna-seg.social {
    background: #e06377
}

.breakthrough-journal {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 14px
}

.bj-entry {
    padding: 8px 0;
    border-bottom: 1px solid var(--border2);
    font-size: 13px
}

.bj-entry:last-child {
    border: none
}

.bj-concept {
    font-weight: 700;
    font-size: 12px
}

.bj-what {
    color: var(--ink2);
    margin-top: 2px;
    font-size: 12px;
    line-height: 1.6
}

.bj-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    display: inline-block;
    margin-top: 4px
}

.bj-badge.struggled {
    background: rgba(245,158,11,0.1);
    color: var(--orange)
}

.bj-badge.clicked {
    background: rgba(58,125,68,0.1);
    color: var(--green)
}

/* ═══ SPACED REPETITION REVIEW QUEUE ═══ */
.srs-banner {
    background: linear-gradient(135deg,rgba(245,158,11,0.08),rgba(224,99,119,0.06));
    border: 1.5px solid rgba(245,158,11,0.2);
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 14px;
    cursor: pointer;
    transition: transform 0.2s
}

.srs-banner:hover {
    transform: scale(1.01)
}

.srs-count {
    font-size: 28px;
    font-weight: 700;
    color: var(--orange);
    font-family: 'Instrument Serif',serif
}

.srs-sub {
    font-size: 12px;
    color: var(--ink3)
}

.review-card {
    border: 2px solid var(--accent);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 14px;
    animation: fcSlide 0.5s ease
}

.review-header {
    padding: 14px 16px;
    background: linear-gradient(135deg,rgba(245,158,11,0.06),rgba(124,92,191,0.04))
}

.review-q {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.65;
    margin: 10px 0
}

.review-reveal {
    padding: 14px 16px;
    border-top: 1px solid var(--border2)
}

.review-btns {
    display: flex;
    gap: 6px;
    margin-top: 12px;
    flex-wrap: wrap
}

.review-btns button {
    flex: 1;
    min-width: 60px;
    padding: 10px 8px;
    border-radius: 10px;
    border: 2px solid;
    font-weight: 700;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s
}

.srs-again {
    background: rgba(224,99,119,0.06);
    border-color: rgba(224,99,119,0.3);
    color: var(--pink)
}

.srs-hard {
    background: rgba(245,158,11,0.06);
    border-color: rgba(245,158,11,0.3);
    color: var(--orange)
}

.srs-good {
    background: rgba(59,130,246,0.06);
    border-color: rgba(59,130,246,0.3);
    color: #3b82f6
}

.srs-easy {
    background: rgba(58,125,68,0.06);
    border-color: rgba(58,125,68,0.3);
    color: var(--green)
}

/* ═══ TEACHER PERSONAS ═══ */
.persona-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
    overflow-x: auto;
    padding-bottom: 4px
}

.overwhelm-bar {
    display: none;
    gap: 6px;
    margin-bottom: 12px;
    padding: 10px 12px;
    background: rgba(224,99,119,0.06);
    border: 1px solid rgba(224,99,119,0.15);
    border-radius: 10px;
    flex-wrap: wrap
}

.overwhelm-bar button {
    padding: 6px 12px;
    border-radius: 16px;
    border: 1px solid var(--border2);
    background: var(--card);
    color: var(--ink2);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s
}

.overwhelm-bar button:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent)
}

[data-emox="struggling"] .overwhelm-bar,[data-emox="frustrated"] .overwhelm-bar,[data-emox="anxious"] .overwhelm-bar {
    display: flex
}

.persona-chip {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    border: 1.5px solid var(--border2);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    background: var(--card)
}

.persona-chip.active {
    border-color: var(--accent);
    background: rgba(124,92,191,0.08);
    color: var(--accent)
}

.persona-chip:hover {
    border-color: var(--accent)
}

/* ═══ EXAM MODE ═══ */
.exam-session {
    border: 2px solid var(--orange);
    border-radius: 16px;
    overflow: hidden;
    margin-top: 14px
}

.exam-header {
    padding: 14px 16px;
    background: linear-gradient(135deg,rgba(245,158,11,0.08),rgba(224,99,119,0.04));
    display: flex;
    align-items: center;
    gap: 10px
}

.exam-timer {
    font-family: 'JetBrains Mono',monospace;
    font-size: 18px;
    font-weight: 700;
    color: var(--orange)
}

.exam-body {
    padding: 16px
}

.exam-q {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.65;
    margin-bottom: 12px;
    padding: 12px;
    background: var(--bg2);
    border-radius: 10px
}

.exam-textarea {
    width: 100%;
    min-height: 120px;
    font-size: 14px;
    padding: 12px;
    border: 2px solid var(--border2);
    border-radius: 12px;
    background: var(--card);
    color: var(--ink);
    resize: vertical;
    font-family: inherit;
    line-height: 1.6;
    transition: border-color 0.2s;
    box-sizing: border-box
}

.exam-textarea:focus {
    border-color: var(--accent);
    outline: none
}

.exam-rubric {
    margin-top: 14px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border2)
}

.rubric-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 14px;
    font-size: 13px;
    border-bottom: 1px solid var(--border2)
}

.rubric-row:last-child {
    border: none
}

.rubric-label {
    font-weight: 600;
    color: var(--ink2)
}

.rubric-score {
    font-weight: 700;
    min-width: 40px;
    text-align: right
}

.rubric-score.high {
    color: var(--green)
}

.rubric-score.mid {
    color: var(--orange)
}

.rubric-score.low {
    color: var(--pink)
}

/* ═══ CONTENT ENRICHMENT ═══ */
.enrich-card {
    background: linear-gradient(135deg,rgba(59,130,246,0.03),rgba(20,184,166,0.03));
    border: 1px solid rgba(59,130,246,0.12);
    border-radius: 12px;
    padding: 14px;
    margin-top: 10px
}

.enrich-help-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border2);
    flex-wrap: wrap
}

.enrich-help-btn {
    padding: 8px 14px;
    border-radius: 20px;
    border: 1px solid var(--border2);
    background: var(--bg2);
    color: var(--ink2);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s
}

.enrich-help-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent)
}

.enrich-help-btn.accent {
    background: rgba(124,92,191,0.08);
    border-color: rgba(124,92,191,0.2);
    color: var(--accent)
}

.enrich-essential {
    display: flex;
    flex-direction: column;
    gap: 12px
}

.enrich-item {
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border)
}

.enrich-item:last-child {
    border-bottom: none;
    padding-bottom: 0
}

.enrich-academic {
    margin-top: 12px
}

.enrich-academic summary {
    cursor: pointer;
    padding: 10px 12px;
    background: var(--bg2);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink2)
}

.enrich-academic summary:hover {
    background: var(--bg3)
}

.enrich-academic-body {
    padding-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px
}

.enrich-simplified {
    padding: 12px;
    background: rgba(39,174,96,0.06);
    border: 1px solid rgba(39,174,96,0.15);
    border-radius: 10px
}

/* #10 Mastery Map */
.mastery-map {
    padding: 14px
}

.mastery-topic {
    margin-bottom: 12px
}

.mastery-topic-hdr {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    cursor: pointer
}

.mastery-topic-hdr .mt-icon {
    font-size: 16px
}

.mastery-topic-hdr .mt-title {
    font-weight: 700;
    font-size: 13px;
    flex: 1
}

.mastery-topic-hdr .mt-pct {
    font-weight: 800;
    font-size: 14px;
    min-width: 44px;
    text-align: right
}

.mastery-bar {
    height: 8px;
    background: var(--border2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 4px
}

.mastery-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.4s
}

.mastery-cells {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px
}

.mastery-cell {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
    opacity: 0.85
}

.mastery-cell:hover {
    transform: scale(1.2);
    z-index: 2;
    opacity: 1
}

.mastery-cell[data-tip]:hover::after {
    content: attr(data-tip);
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    background: #1a1a2e;
    color: #fff;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 10px;
    white-space: nowrap;
    z-index: 10;
    pointer-events: none
}

.mc-high {
    background: #4aba7a
}

.mc-mid {
    background: #e8a756
}

.mc-low {
    background: #e07878
}

.mc-none {
    background: var(--border2);
    color: var(--ink3)
}

/* Predicted Score */
.pred-card {
    background: linear-gradient(135deg,rgba(124,92,191,0.06),rgba(46,117,182,0.06));
    border: 1.5px solid rgba(124,92,191,0.2);
    border-radius: 16px;
    padding: 18px;
    margin-bottom: 14px
}

.pred-score {
    font-family: 'Instrument Serif',serif;
    font-size: 48px;
    font-weight: 700;
    text-align: center
}

.pred-grade {
    font-size: 20px;
    font-weight: 800;
    text-align: center;
    margin-top: -4px;
    margin-bottom: 8px
}

.pred-conf {
    font-size: 11px;
    color: var(--ink3);
    text-align: center;
    margin-bottom: 12px
}

.pred-gaps {
    margin-top: 10px
}

.pred-gap {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-top: 1px solid var(--border2);
    font-size: 12px
}

.pred-gap .gap-concept {
    flex: 1;
    font-weight: 600
}

.pred-gap .gap-mastery {
    font-weight: 700;
    min-width: 36px;
    text-align: right
}

/* Diagnostic */
.diag-session {
    border: 2px solid #3b82f6;
    border-radius: 16px;
    overflow: hidden;
    margin-top: 14px
}

/* Syllabus Panel */
.learn-layout {
    display: flex;
    gap: 0;
    min-height: calc(100vh - 120px);
    margin: 0;
    padding: 0;
    background: var(--bg2)
}

.sh-learn-wrap{
  padding: 24px 24px 40px;
}
@media (max-width: 1100px){
  .sh-learn-wrap{ padding:18px 16px 32px; }
}
@media (max-width: 980px){
  .sh-learn-wrap{ padding:16px 12px 28px; }
}

.sh-learn-topbar{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:8px;
  padding:0 4px;
  flex-wrap:wrap;
}

.learn-sidebar {
    width: 260px;
    min-width: 260px;
    border-right: 1px solid #E5E7EB;
    position: sticky;
    top: 0;
    max-height: calc(100vh - 120px);
    background: #FFFFFF;
    transition: all 0.25s ease;
    padding: 0;
    margin: 0
}

.learn-sidebar.collapsed {
    width: 44px;
    min-width: 44px;
    overflow: hidden;
    padding: 0;
    background: var(--bg1);
    border-right: 1px solid var(--border2)
}

.learn-sidebar.collapsed .syl-sidebar-body {
    display: none
}

.learn-sidebar.collapsed .syl-sidebar-header {
    display: none
}

.learn-sidebar.collapsed>*:not(.syl-toggle) {
    display: none
}

.learn-sidebar.collapsed .syl-toggle {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    right: auto;
    background: #11AB97;
    color: #fff;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex!important;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    cursor: pointer
}

.learn-sidebar.collapsed .syl-toggle:hover {
    transform: translateX(-50%) scale(1.1)
}

.syl-toggle {
    position: absolute;
    top: 8px;
    right: -14px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid #E5E7EB;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    z-index: 10;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    transition: all 0.2s
}

.syl-toggle:hover {
    background: #11AB97;
    color: #fff;
    transform: scale(1.1)
}

.learn-sidebar::-webkit-scrollbar {
    width: 3px
}

.learn-sidebar::-webkit-scrollbar-thumb {
    background: var(--border2);
    border-radius: 3px
}

.syl-sidebar-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 8px;
    border-bottom: 1px solid #E5E7EB;
    position: sticky;
    top: 0;
    background: #FFFFFF;
    z-index: 2
}

.syl-sidebar-header .ssh-title {
    font-family: Inter,system-ui,sans-serif;
    font-weight: 700;
    font-size: 12px;
    flex: 1
}

.syl-sidebar-header .ssh-pct {
    font-size: 11px;
    color: #4A5565;
    font-weight: 600
}

.syl-sidebar-toggle {
    font-size: 12px;
    color: var(--ink3);
    cursor: pointer;
    padding: 2px 4px
}

.syl-sidebar-body {
    padding: 4px 0
}

.learn-main {
    flex: 1;
    min-width: 0;
    padding: 0
}

.dash-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px
}

.dash-grid>div>.card,.dash-grid>div>.pred-card {
    margin-bottom: 0
}

@media(min-width: 900px) {
    .dash-grid {
        grid-template-columns:1fr 1fr
    }
}

@media(max-width: 768px) {
    .learn-layout {
        flex-direction:column
    }

    .learn-sidebar {
        width: 100%;
        min-width: 0;
        max-height: none;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border2)
    }

    .learn-main {
        padding: 0
    }

    .syl-sidebar-body {
        display: none
    }

    .syl-sidebar-body.open {
        display: block
    }
}

.sh-practice-wrap{
  padding: 24px 24px 40px;
}
@media (max-width: 1100px){
  .sh-practice-wrap{ padding:18px 16px 32px; }
}
@media (max-width: 980px){
  .sh-practice-wrap{ padding:16px 12px 28px; }
}
.sh-practice-filters{
  display:flex;
  flex-wrap:wrap;
  gap:5px;
  margin-bottom:14px;
}
.sh-practice-actions{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
  justify-content:center;
}
.sh-practice-quiz{
  background: linear-gradient(180deg,#19B7A0 0%,#0FA08C 100%);
  color:#fff;
  border:none;
}

@media(min-width: 769px) {
    .syl-sidebar-toggle {
        display:none!important
    }

    .syl-sidebar-body {
        display: block!important
    }
}

.syl-panel {
    border: 1.5px solid var(--border);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden
}

.syl-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    cursor: pointer;
    background: var(--bg1)
}

.syl-header:hover {
    background: var(--bg2)
}

.syl-header .syl-title {
    font-weight: 700;
    font-size: 13px;
    flex: 1
}

.syl-header .syl-toggle {
    font-size: 12px;
    color: var(--ink3);
    transition: transform 0.2s
}

.syl-header.open .syl-toggle {
    transform: rotate(180deg)
}

.syl-body {
    display: none;
    padding: 0 14px 14px;
    max-height: 60vh;
    overflow-y: auto
}

.syl-body.open {
    display: block
}

.syl-topic {
    margin-bottom: 8px;
    border-left: 2px solid var(--border2);
    padding-left: 10px
}

.syl-topic-hdr {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 0;
    cursor: pointer
}

.syl-topic-hdr .st-icon {
    font-size: 14px
}

.syl-topic-hdr .st-title {
    font-weight: 700;
    font-size: 12px;
    flex: 1
}

.syl-topic-hdr .st-spec {
    font-size: 10px;
    color: var(--accent);
    font-weight: 600;
    background: rgba(124,92,191,0.08);
    padding: 1px 6px;
    border-radius: 6px
}

.syl-topic-hdr .st-count {
    font-size: 10px;
    color: var(--ink3);
    font-weight: 600
}

.syl-topic-hdr .st-pct {
    font-size: 11px;
    font-weight: 800;
    min-width: 30px;
    text-align: right
}

.syl-objectives {
    margin: 2px 0 4px 20px;
    font-size: 10px;
    color: var(--ink3);
    line-height: 1.5
}

.syl-concepts {
    margin-left: 20px
}

.syl-concept {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
    font-size: 11px;
    cursor: pointer;
    border-bottom: 1px solid var(--border2)
}

.syl-concept:hover {
    color: var(--accent)
}

.syl-concept .sc-status {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px
}

.syl-concept .sc-name {
    flex: 1
}

.syl-concept .sc-mastery {
    font-weight: 700;
    font-size: 10px;
    min-width: 28px;
    text-align: right
}

.syl-actions {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border2)
}

/* Custom editor */
.edit-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px
}

.edit-box {
    background: var(--bg1);
    border-radius: 16px;
    padding: 20px;
    max-width: 460px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto
}

.edit-box h3 {
    font-family: 'Instrument Serif',serif;
    font-size: 20px;
    margin-bottom: 12px
}

.edit-box label {
    font-size: 12px;
    font-weight: 700;
    color: var(--ink3);
    display: block;
    margin: 8px 0 3px
}

.edit-box input,.edit-box textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    background: var(--bg1);
    color: var(--ink);
    font-family: inherit
}

.edit-box textarea {
    min-height: 60px;
    resize: vertical
}

.diag-header {
    background: linear-gradient(135deg,#3b82f6,#7c5cbf);
    color: #fff;
    padding: 14px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center
}

.diag-body {
    padding: 16px
}

.diag-q {
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.5
}

.diag-opt {
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    margin-bottom: 6px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s
}

.diag-opt:hover {
    border-color: var(--accent);
    background: rgba(124,92,191,0.04)
}

.diag-opt.selected {
    border-color: #3b82f6;
    background: rgba(59,130,246,0.08);
    font-weight: 700
}

.diag-results {
    padding: 18px
}

.diag-topic-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border2)
}

.diag-topic-row .dt-icon {
    font-size: 18px
}

.diag-topic-row .dt-name {
    flex: 1;
    font-weight: 600;
    font-size: 13px
}

.diag-topic-row .dt-score {
    font-weight: 800;
    font-size: 14px;
    min-width: 40px;
    text-align: right
}

.enrich-source {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--ink3);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 4px
}

.enrich-body {
    font-size: 13px;
    line-height: 1.7;
    color: var(--ink2)
}

/* APP LAUNCHER */
.app-launcher-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
    z-index: 998
}

.app-launcher-overlay.active {
    opacity: 1;
    visibility: visible
}

.app-launcher {
    position: fixed;
    top: 60px;
    right: 16px;
    left: auto;
    width: 520px;
    background: var(--card);
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.9) translateY(-10px);
    transform-origin: top right;
    transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
    z-index: 999;
    overflow: hidden;
    max-height: 80vh
}

.app-launcher.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0)
}

.app-launcher-header {
    padding: 14px 18px 10px;
    border-bottom: 1px solid #E5E7EB;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #6A7282
}

.app-launcher-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 14px;
    padding: 16px 18px 18px;
    max-height: calc(80vh - 52px);
    overflow-y: auto
}

.app-launcher-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 8px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: #101828
}

.app-launcher-item:hover {
    background: var(--hover);
    border-color: #E5E7EB
}

.app-launcher-item.current {
    background: var(--hover);
    border-color: var(--accent)
}

.app-launcher-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: #F3F4F6;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s
}

.app-emoji {
    font-size: 1.35rem
}

.app-launcher-item:hover .app-launcher-icon {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08)
}

.app-launcher-label {
    font-size: 11px;
    font-weight: 600;
    text-align: center;
    color: #4A5565;
    line-height: 1.3
}

@media(max-width: 480px) {
    .app-launcher {
        left:8px;
        right: 8px;
        width: auto
    }

    .app-launcher-grid {
        grid-template-columns: repeat(2,1fr)
    }
}

[dir="rtl"] .app-launcher {
    left: auto;
    right: 16px;
    transform-origin: top right
}

/* TOPBAR */
.topbar {
    height: 56px;
    background: var(--card);
    border-bottom: 1px solid var(--border2);
    display: grid;
    grid-template-columns: 180px minmax(280px, 1fr) auto;
    align-items: center;
    padding: 0 16px;
    padding-top: env(safe-area-inset-top,0);
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 100
}

.tb-left{ display:flex; align-items:center; gap:10px; min-width:0; }
.tb-right{ display:flex; align-items:center; gap:10px; justify-content:flex-end; }
.tb-lang{
  display:flex;
  align-items:center;
  margin-right:8px;
}
[dir="rtl"] .tb-lang{
  margin-right:0;
  margin-left:8px;
}

.tb-search{
    display:flex;
    align-items:center;
    gap:8px;
    background: #fff;
    border: 1px solid #E5E7EB;
    border-radius: 10px;
    padding: 10px 12px;
    height: 40px;
    width: 100%;
    max-width: 760px;
}
[data-theme="dark"] .tb-search{
    background: var(--bg2);
    border-color: var(--border2);
}
.tb-search-ic{ color:#6A7282; font-size:14px; }
.tb-search-in{
    border: none;
    outline: none;
    background: transparent;
    width: 100%;
    font-family: Inter, system-ui, sans-serif;
    font-size: 13px;
    color: var(--ink);
}
.tb-search-in::placeholder{ color:#98A2B3; }

/* GLOBAL SEARCH (topbar) */
.gs-overlay{
  position:fixed;
  inset:0;
  background:rgba(17,24,39,0.45);
  z-index:160;
}
.gs-panel{
  position:fixed;
  top:64px;
  left:50%;
  transform:translateX(-50%);
  width:min(860px, calc(100vw - 32px));
  max-height:calc(100vh - 88px);
  background:var(--card);
  border:1px solid var(--border2);
  border-radius:14px;
  box-shadow:0 16px 48px rgba(0,0,0,0.22);
  z-index:170;
  display:flex;
  flex-direction:column;
  overflow:hidden;
}
.gs-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-bottom:1px solid var(--border2);
  background:linear-gradient(180deg, rgba(17,24,39,0.02), rgba(17,24,39,0));
}
.gs-title{
  font-family:Inter,system-ui,sans-serif;
  font-size:12px;
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ink3);
}
.gs-sub{
  font-family:Inter,system-ui,sans-serif;
  font-size:12px;
  color:var(--ink2);
  margin-top:2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:62vw;
}
.gs-close{
  border:1px solid var(--border2);
  background:var(--bg2);
  color:var(--ink2);
  border-radius:10px;
  width:34px;
  height:34px;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.gs-close:hover{ background:var(--hover); }
.gs-body{
  overflow:auto;
  padding:10px 8px 12px;
}
.gs-group{
  padding:8px 10px 6px;
  font-family:Inter,system-ui,sans-serif;
  font-size:11px;
  font-weight:900;
  letter-spacing:.08em;
  color:var(--ink3);
  text-transform:uppercase;
}
.gs-item{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:10px 10px;
  border-radius:12px;
  cursor:pointer;
  user-select:none;
}
.gs-item:hover{ background:var(--hover); }
.gs-item.active{ background:#EEF2FF; outline:1px solid rgba(59,130,246,0.35); }
.gs-ic{
  width:28px;
  height:28px;
  border-radius:10px;
  background:var(--bg2);
  border:1px solid var(--border2);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  font-size:14px;
}
.gs-mid{ min-width:0; flex:1; }
.gs-name{
  font-family:Inter,system-ui,sans-serif;
  font-weight:800;
  font-size:13px;
  color:var(--ink);
  line-height:18px;
}
.gs-desc{
  font-family:Inter,system-ui,sans-serif;
  font-weight:500;
  font-size:11px;
  color:var(--ink3);
  line-height:16px;
  margin-top:2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.gs-kbd{
  font-family:JetBrains Mono,ui-monospace,Consolas,monospace;
  font-size:10px;
  color:var(--ink3);
  border:1px solid var(--border2);
  background:var(--bg2);
  padding:3px 6px;
  border-radius:8px;
  flex-shrink:0;
}
.gs-empty{
  padding:18px 14px;
  text-align:center;
  color:var(--ink3);
  font-family:Inter,system-ui,sans-serif;
  font-size:13px;
}

[dir="rtl"] .gs-panel{ direction:rtl; }
[dir="rtl"] .gs-sub{ text-align:right; }

.tb-user{
    display:flex;
    align-items:center;
    gap:10px;
    padding: 6px 8px 6px 10px;
    border: 1px solid #E5E7EB;
    border-radius: 999px;
    background: #fff;
}
[data-theme="dark"] .tb-user{ background: var(--bg2); border-color: var(--border2); }
.tb-user-meta{ display:flex; flex-direction:column; line-height:1.1; }
.tb-user-name{
    font-family: Inter, system-ui, sans-serif;
    font-weight: 700;
    font-size: 12px;
    color: var(--ink);
}
.tb-user-level{
    font-family: Inter, system-ui, sans-serif;
    font-weight: 500;
    font-size: 11px;
    color: #6A7282;
}
.tb-user-avatar{
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: #11AB97;
    color: #fff;
    font-weight: 800;
    display:flex;
    align-items:center;
    justify-content:center;
    font-family: Inter, system-ui, sans-serif;
    font-size: 12px;
    overflow: hidden;
    flex-shrink: 0;
}
.tb-user-avatar img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 999px;
}

/* COURSE SWITCHER BAR */
.course-bar {
    background: var(--card);
    border-bottom: 1px solid var(--border2);
    position: sticky;
    top: 52px;
    z-index: 99;
    padding: 0
}

/* Mobile: row1 = tb-left | tb-right, row2 = tb-search; adjust sticky offsets */
@media (max-width: 768px) {
    .topbar {
        grid-template-columns: minmax(0, 1fr) auto;
        grid-template-rows: auto auto;
        height: auto;
        min-height: 0;
        align-items: center;
        align-content: start;
        row-gap: 8px;
        column-gap: 10px;
        padding: 8px 12px;
        padding-top: calc(8px + env(safe-area-inset-top, 0));
        padding-bottom: 10px;
    }

    .tb-left {
        grid-column: 1;
        grid-row: 1;
        min-width: 0;
    }

    .tb-right {
        grid-column: 2;
        grid-row: 1;
        flex-shrink: 0;
    }

    .tb-search {
        grid-column: 1 / -1;
        grid-row: 2;
        max-width: none;
        width: 100%;
        box-sizing: border-box;
    }

    .course-bar {
        top: calc(112px + env(safe-area-inset-top, 0px));
    }

    .gs-panel {
        top: calc(112px + env(safe-area-inset-top, 0px) + 8px);
        max-height: calc(100vh - 112px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) - 32px);
    }
}

/* Horizontal course switcher — hidden (first open + WorkPilot embed remount) */
.course-bar {
    display: none !important;
}

.course-bar-scroll {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    gap: 0;
    padding: 0 8px
}

.course-bar-scroll::-webkit-scrollbar {
    display: none
}

.course-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink3);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.15s;
    flex-shrink: 0;
    position: relative
}

.course-tab:hover {
    color: var(--ink);
    background: var(--hover)
}

.course-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent)
}

.course-tab .ct-icon {
    font-size: 16px
}

.course-tab .ct-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis
}

.course-tab .ct-pct {
    font-size: 10px;
    opacity: 0.6;
    font-weight: 700
}

.course-tab-add {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    white-space: nowrap;
    font-size: 12px;
    font-weight: 700;
    color: var(--ink3);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.15s;
    flex-shrink: 0
}

.course-tab-add:hover {
    color: var(--accent)
}

.course-tab-lib {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 12px;
    white-space: nowrap;
    font-size: 11px;
    font-weight: 600;
    color: var(--ink3);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.15s;
    flex-shrink: 0;
    margin-left: auto;
    border-left: 1px solid var(--border2)
}

.course-tab-lib:hover {
    color: var(--accent)
}

.tb-logo {
    font-family: Inter, system-ui, sans-serif;
    font-size: 16px;
    letter-spacing: 0;
    font-weight: 800;
    white-space: nowrap;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}
.tb-logo-icon {
    flex-shrink: 0;
    display: block;
}
body.theme-studyhub .tb-logo:has(.tb-logo-icon)::before,
body.theme-ocean .tb-logo:has(.tb-logo-icon)::before {
    content: none !important;
}

.tb-logo em {
    color: var(--pink);
    font-style: italic
}

.tb-level {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--bg2);
    border-radius: 10px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent)
}

.tb-streak {
    font-size: 12px;
    font-weight: 700;
    color: var(--gold)
}

.tb-spacer {
    flex: 1
}

.tb-heart {
    font-size: 18px;
    cursor: pointer;
    animation: heartPulse 2s ease-in-out infinite
}

@keyframes heartPulse {
    0%,100% {
        transform: scale(1)
    }

    50% {
        transform: scale(1.15)
    }
}

.tb-mood {
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s
}

.tb-mood:hover {
    transform: scale(1.2)
}

.tb-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--ink3);
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s
}

.tb-btn:hover {
    border-color: var(--accent);
    color: var(--accent)
}

/* DAD'S STUDY CARD */
.dad-card {
    position: relative;
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    cursor: pointer;
    background: var(--card);
    border: 1px solid var(--border2);
    transition: all 0.25s ease
}

.dad-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow)
}

@keyframes infinityFlow {
    0% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }

    100% {
        background-position: 0% 50%
    }
}

.dad-card-inner {
    padding: 24px;
    position: relative;
    overflow: hidden
}

.dad-card-inner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle,rgba(124,92,191,0.06) 0%,transparent 70%);
    pointer-events: none
}

.dad-infinity {
    position: absolute;
    top: 14px;
    right: 18px;
    font-size: 18px;
    opacity: 0.12
}

/* WELCOME OVERLAY */
/* ── AI DISCLOSURE / AGE GATE ──────────────────────────────── */
.ai-gate-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,10,24,0.92);
    z-index: 900;
    display: none;
    align-items: center;
    justify-content: center;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px)
}

.ai-gate-overlay.active {
    display: flex
}

.ai-gate-card {
    background: var(--card);
    border-radius: 24px;
    padding: 36px 32px;
    max-width: 400px;
    width: 92%;
    text-align: center;
    box-shadow: 0 24px 64px rgba(0,0,0,0.35);
    animation: welcomeIn 0.6s cubic-bezier(0.34,1.56,0.64,1)
}

.ai-gate-icon {
    font-size: 44px;
    margin-bottom: 14px
}

.ai-gate-title {
    font-family: 'Instrument Serif',serif;
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--ink)
}

.ai-gate-body {
    font-size: 14px;
    color: var(--ink2);
    line-height: 1.75;
    margin-bottom: 22px
}

.ai-gate-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(124,92,191,0.08);
    border: 1px solid rgba(124,92,191,0.2);
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 18px
}

.ai-gate-btns {
    display: flex;
    flex-direction: column;
    gap: 8px
}

.ai-gate-legal {
    font-size: 10px;
    color: var(--ink3);
    margin-top: 14px;
    line-height: 1.5
}

/* Age gate specific */
.age-choice-row {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 10px
}

.age-choice-btn {
    flex: 1;
    padding: 13px;
    border-radius: 14px;
    border: 2px solid var(--border);
    background: var(--card);
    cursor: pointer;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
    transition: all 0.18s
}

.age-choice-btn:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.age-choice-btn.selected {
    border-color: var(--accent);
    background: rgba(124,92,191,0.07);
    color: var(--accent)
}

/* Minor mode badge */
.minor-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    background: rgba(58,125,68,0.1);
    color: var(--green);
    margin-left: 6px
}

/* Persistent AI indicator in topbar */
.tb-ai-tag {
    font-family: 'JetBrains Mono',monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 3px 7px;
    border-radius: 6px;
    background: rgba(124,92,191,0.1);
    color: var(--accent);
    border: 1px solid rgba(124,92,191,0.2)
}

/* Compliance panel in settings */
.compliance-section {
    margin-top: 4px
}

.comp-tab-row {
    display: flex;
    gap: 6px;
    margin-bottom: 14px;
    flex-wrap: wrap
}

.comp-tab {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--card);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    color: var(--ink2);
    transition: all 0.15s;
    font-family: var(--font)
}

.comp-tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent)
}

.comp-pane {
    display: none;
    font-size: 12px;
    color: var(--ink2);
    line-height: 1.7;
    background: var(--bg2);
    border-radius: 12px;
    padding: 14px 16px
}

.comp-pane.active {
    display: block
}

.comp-pane h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 6px;
    margin-top: 10px
}

.comp-pane h4:first-child {
    margin-top: 0
}

.comp-pane ul {
    padding-left: 16px;
    margin-bottom: 6px
}

.comp-pane ul li {
    margin-bottom: 4px
}

.comp-status-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    border-radius: 8px;
    margin-bottom: 5px;
    font-size: 12px;
    font-weight: 600
}

.cs-green {
    background: rgba(58,125,68,0.08);
    color: var(--green)
}

.cs-amber {
    background: rgba(180,120,10,0.08);
    color: var(--gold)
}

.cs-blue {
    background: rgba(59,111,160,0.08);
    color: var(--blue)
}

/* -- PARENTAL CONSENT GATE ---------------------------------------- */
.parent-gate-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,10,24,0.94);
    z-index: 950;
    display: none;
    align-items: center;
    justify-content: center;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px)
}

.parent-gate-overlay.active {
    display: flex
}

.parent-gate-card {
    background: var(--card);
    border-radius: 24px;
    padding: 36px 32px;
    max-width: 430px;
    width: 92%;
    box-shadow: 0 24px 64px rgba(0,0,0,0.4);
    animation: welcomeIn 0.5s cubic-bezier(0.34,1.56,0.64,1);
    max-height: 90vh;
    overflow-y: auto
}

.pg-icon {
    font-size: 42px;
    text-align: center;
    margin-bottom: 12px
}

.pg-title {
    font-family: 'Instrument Serif',serif;
    font-size: 21px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 6px;
    color: var(--ink)
}

.pg-sub {
    font-size: 13px;
    color: var(--ink2);
    line-height: 1.7;
    text-align: center;
    margin-bottom: 18px
}

.pg-hand-device {
    background: rgba(124,92,191,0.06);
    border: 1px solid rgba(124,92,191,0.18);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 13px;
    color: var(--ink2);
    line-height: 1.6;
    margin-bottom: 18px;
    text-align: center
}

.pg-hand-device strong {
    color: var(--accent);
    display: block;
    font-size: 14px;
    margin-bottom: 4px
}

.pg-maths-box {
    background: var(--bg2);
    border-radius: 12px;
    padding: 18px;
    margin-bottom: 14px;
    text-align: center
}

.pg-maths-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--ink3);
    margin-bottom: 10px;
    font-family: 'JetBrains Mono',monospace
}

.pg-maths-q {
    font-family: 'JetBrains Mono',monospace;
    font-size: 24px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 14px;
    letter-spacing: 1px
}

.pg-maths-input {
    width: 100%;
    padding: 11px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-family: 'JetBrains Mono',monospace;
    font-size: 20px;
    text-align: center;
    color: var(--ink);
    background: var(--card);
    transition: border-color 0.2s;
    outline: none
}

.pg-maths-input:focus {
    border-color: var(--accent)
}

.pg-maths-input.correct {
    border-color: var(--green);
    background: rgba(58,125,68,0.05)
}

.pg-maths-input.wrong {
    border-color: var(--red);
    background: rgba(220,38,38,0.05);
    animation: pgShake 0.4s ease
}

@keyframes pgShake {
    0%,100% {
        transform: translateX(0)
    }

    25% {
        transform: translateX(-6px)
    }

    75% {
        transform: translateX(6px)
    }
}

.pg-maths-hint {
    font-size: 11px;
    margin-top: 6px;
    min-height: 16px;
    text-align: center
}

.pg-consent-opts {
    display: none;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px
}

.pg-consent-opts.show {
    display: flex
}

.pg-consent-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 11px 13px;
    border-radius: 11px;
    border: 1px solid var(--border2);
    background: var(--bg2)
}

.pg-consent-row input[type=checkbox] {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    cursor: pointer;
    margin-top: 2px;
    /* Custom checkbox so "checked" is always visible across browsers */
    -webkit-appearance: none;
    appearance: none;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: var(--card);
    display: grid;
    place-content: center;
    transition: background-color 0.15s,border-color 0.15s,transform 0.12s,box-shadow 0.15s;
}

.pg-consent-row input[type=checkbox]::before {
    content: "";
    width: 10px;
    height: 6px;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(-45deg) scale(0);
    transform-origin: center;
    transition: transform 0.12s ease;
    margin-top: -1px;
}

.pg-consent-row input[type=checkbox]:checked {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(124,92,191,0.18);
}

.pg-consent-row input[type=checkbox]:checked::before {
    transform: rotate(-45deg) scale(1)
}

.pg-consent-row input[type=checkbox]:active {
    transform: scale(0.96)
}

.pg-consent-row input[type=checkbox]:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(124,92,191,0.28);
}

.pg-consent-row input[type=checkbox]:checked + label strong {
    color: var(--accent)
}

.pg-consent-row input[type=checkbox]:checked + label {
    color: var(--ink)
}

.pg-consent-row label {
    font-size: 12px;
    color: var(--ink2);
    cursor: pointer;
    line-height: 1.5
}

.pg-consent-row label strong {
    color: var(--ink);
    display: block;
    margin-bottom: 2px;
    font-size: 13px
}

.pg-legal {
    font-size: 10px;
    color: var(--ink3);
    line-height: 1.5;
    margin-top: 8px;
    text-align: center
}

.pg-attempts {
    font-size: 11px;
    text-align: center;
    margin-top: 4px;
    min-height: 14px
}

.pg-skip {
    font-size: 11px;
    color: var(--ink3);
    text-align: center;
    margin-top: 12px;
    cursor: pointer;
    background: none;
    border: none;
    font-family: var(--font);
    width: 100%;
    padding: 4px;
    display: block
}

.pg-skip:hover {
    color: var(--ink2);
    text-decoration: underline
}

.tb-parent-badge {
    font-family: 'JetBrains Mono',monospace;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 3px 7px;
    border-radius: 6px;
    background: rgba(58,125,68,0.12);
    color: var(--green);
    border: 1px solid rgba(58,125,68,0.25)
}

/* Gamification toggle row in settings */
.gamif-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 0
}

.gamif-row-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--ink)
}

.gamif-row-sub {
    font-size: 11px;
    color: var(--ink3);
    margin-top: 1px
}

.welcome-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,10,25,0.85);
    z-index: 500;
    display: none;
    align-items: center;
    justify-content: center;
    -webkit-backdrop-filter: blur(8px)
}

.welcome-overlay.active {
    display: flex
}

.welcome-card {
    background: var(--card);
    border-radius: 24px;
    padding: 40px 32px;
    max-width: 380px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: welcomeIn 0.8s cubic-bezier(0.34,1.56,0.64,1)
}

@keyframes welcomeIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px)
    }

    to {
        opacity: 1;
        transform: none
    }
}

.welcome-hearts {
    font-size: 40px;
    margin-bottom: 16px;
    animation: welcomeHearts 2s ease-in-out infinite
}

@keyframes welcomeHearts {
    0%,100% {
        transform: scale(1)
    }

    50% {
        transform: scale(1.1)
    }
}

.welcome-title {
    font-family: 'Instrument Serif',serif;
    font-size: 26px;
    margin-bottom: 8px;
    background: linear-gradient(135deg,#7c5cbf,#e06377);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.welcome-msg {
    font-size: 15px;
    color: var(--ink2);
    line-height: 1.7;
    margin-bottom: 20px
}

.welcome-code {
    font-size: 13px;
    color: var(--pink);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 20px;
    padding: 10px;
    background: rgba(224,99,119,0.06);
    border-radius: 10px
}

/* DAD'S LOVE NOTE OVERLAY */
.love-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,10,25,0.8);
    z-index: 400;
    display: none;
    align-items: center;
    justify-content: center;
    -webkit-backdrop-filter: blur(6px)
}

.love-overlay.active {
    display: flex
}

.love-card {
    background: var(--card);
    border-radius: 20px;
    padding: 36px;
    max-width: 340px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: welcomeIn 0.6s cubic-bezier(0.34,1.56,0.64,1)
}

/* BOTTOM TAB BAR */
.tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: var(--card);
    border-top: 1px solid var(--border2);
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 2px;
    padding: 6px 8px;
    z-index: 100;
    padding-bottom: env(safe-area-inset-bottom);
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent
}

.tab {
    flex: 1 1 0;
    min-width: 0;
    max-width: 96px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 2px;
    border-radius: 10px;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
    color: var(--ink3);
    position: relative;
    min-height: 48px
}

.tab:hover {
    color: var(--ink2);
    background: var(--hover)
}

.tab.active {
    color: var(--accent);
    background: rgba(124,92,191,0.08)
}

[data-theme="dark"] .tab.active {
    background: rgba(124,92,191,0.18)
}

.tab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    line-height: 0;
    transition: transform 0.2s
}

.tab-icon svg {
    width: 20px;
    height: 20px;
    display: block;
    flex-shrink: 0
}

.tab.active .tab-icon {
    transform: scale(1.06)
}

.tab-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2px;
    line-height: 1.15;
    text-align: center;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.tab.tab-disabled {
    opacity: 0.42;
    cursor: not-allowed;
    filter: grayscale(0.35)
}

.tab.tab-disabled:hover {
    color: var(--ink3);
    background: transparent
}

.tab:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px
}

.tab-badge {
    position: absolute;
    top: 2px;
    right: calc(50% - 18px);
    background: var(--red);
    color: white;
    font-size: 9px;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink3);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
    border: none;
    background: none;
    font-family: 'DM Sans',sans-serif;
    margin-bottom: 10px;
    transition: all 0.15s
}

.back-btn:hover {
    color: var(--accent);
    background: rgba(124,92,191,0.06)
}


.main:has(.learn-layout) {
    max-width: 100%;
    padding-left: 0;
    padding-right: 0
}

.card {
    background: var(--card);
    border: none;
    border-radius: 18px;
    padding: 22px;
    margin-bottom: 14px;
    transition: all 0.25s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06)
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transform: translateY(-2px)
}

[data-theme="dark"] .card {
    box-shadow: 0 2px 12px rgba(0,0,0,0.35)
}

[data-theme="dark"] .card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.45)
}

.section-title {
    font-family: Inter,system-ui,sans-serif;
    font-size: 22px;
    font-weight: 700;
    line-height: 28px;
    color: #101828;
    margin-bottom: 4px
}

.section-sub {
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    line-height: 22px;
    color: #4A5565;
    margin-bottom: 14px
}

.tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    color: #fff
}

.btn {
    border: none;
    cursor: pointer;
    border-radius: 12px;
    font-weight: 600;
    font-family: 'DM Sans',sans-serif;
    transition: all 0.2s;
    font-size: 14px;
    padding: 12px 24px
}

.btn-primary {
    background: var(--grad);
    color: #fff
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px)
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none
}

.btn-secondary {
    background: var(--bg2);
    color: var(--ink2);
    border: 1px solid var(--border)
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
    border-radius: 8px
}

.btn-xs {
    padding: 5px 10px;
    font-size: 11px;
    border-radius: 6px
}

.learn-stats-ribbon {
    display: flex;
    gap: 8px;
    margin-left: auto;
    font-size: 11px;
    align-items: center
}

.lsr-stat {
    padding: 3px 8px;
    background: var(--bg2);
    border-radius: 6px;
    color: var(--ink2);
    font-weight: 600
}

.lsr-stat strong {
    color: var(--accent);
    font-weight: 800
}

.lsr-stat.mastery {
    color: var(--green)
}

.lsr-stat.weak {
    background: rgba(245,158,11,0.1);
    color: var(--orange)
}

input,textarea,select {
    font-family: 'DM Sans',sans-serif;
    font-size: 14px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    outline: none;
    transition: border 0.2s;
    background: var(--card);
    color: var(--ink);
    width: 100%;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none
}

input::placeholder,textarea::placeholder {
    color: var(--ink3);
    opacity: 1
}

input:focus,textarea:focus {
    border-color: var(--accent)
}

/* Chrome autofill: match card background + readable text in dark mode */
input:-webkit-autofill,textarea:-webkit-autofill,select:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px var(--card) inset;
    box-shadow: 0 0 0 1000px var(--card) inset;
    -webkit-text-fill-color: var(--ink);
    caret-color: var(--ink);
    transition: background-color 99999s ease-out;
}

[data-theme="dark"] select option,[data-theme="dark"] select optgroup {
    background-color: var(--card);
    color: var(--ink)
}

textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.7
}

button {
    -webkit-appearance: none;
    appearance: none
}

body.scroll-locked {
    overflow: hidden;
    position: fixed;
    width: 100%;
    top: var(--scroll-top,0)
}

.progress-bar {
    height: 5px;
    background: var(--bg2);
    border-radius: 3px;
    overflow: hidden;
    margin: 6px 0
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s ease
}

.progress-fill.purple {
    background: var(--grad)
}

.progress-fill.green {
    background: var(--grad2)
}

/* HERO STATS */
.hero {
    padding: 28px;
    background: linear-gradient(135deg,var(--card),var(--bg2));
    border: 1px solid var(--border2);
    border-radius: var(--radius-lg);
    color: var(--ink);
    text-align: center;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle,rgba(124,92,191,0.08) 0%,transparent 70%);
    pointer-events: none
}

.hero-title {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 700;
    position: relative
}

.hero-sub {
    color: var(--ink2);
    font-size: 14px;
    margin-top: 6px;
    position: relative
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 28px;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 600;
    position: relative
}

.hero-bar {
    margin-top: 12px;
    background: var(--bg3);
    border-radius: 4px;
    height: 8px;
    position: relative
}

.hero-bar-fill {
    height: 100%;
    background: var(--grad);
    border-radius: 4px;
    transition: width 0.5s
}

.hero-hint {
    font-size: 12px;
    color: var(--ink3);
    margin-top: 6px;
    position: relative
}

/* STAT ROW */
.stat-row {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 8px;
    margin-bottom: 14px
}

.stat-box {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 10px;
    padding: 10px;
    text-align: center
}

.stat-val {
    font-family: 'JetBrains Mono',monospace;
    font-size: 20px;
    font-weight: 700;
    color: var(--accent)
}

.stat-lbl {
    font-size: 9px;
    color: var(--ink3);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    margin-top: 2px
}

/* TOPIC GRID */
.topic-grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 10px;
    margin-bottom: 14px
}

.topic-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 12px;
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden
}

.topic-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow2);
    border-color: var(--accent)
}

.sub-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 10px;
    padding: 12px 14px;
    cursor: pointer;
    transition: all 0.15s;
    border-left: 4px solid var(--accent);
    margin-bottom: 6px
}

.sub-card:hover {
    transform: translateX(3px);
    box-shadow: var(--shadow)
}

.formula-box {
    background: var(--bg2);
    border-radius: 10px;
    padding: 10px 14px;
    font-family: 'JetBrains Mono',monospace;
    font-size: 13px;
    color: var(--accent);
    white-space: pre-line;
    margin: 10px 0
}

.example-box {
    background: #fff5f7;
    border-radius: 10px;
    padding: 12px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--ink2);
    margin: 8px 0
}

[data-theme="dark"] .example-box {
    background: rgba(224,99,119,0.08)
}

.tip-box {
    background: #fffbeb;
    border-radius: 10px;
    padding: 12px;
    font-size: 13px;
    line-height: 1.6;
    color: #92620e;
    margin: 8px 0
}

[data-theme="dark"] .tip-box {
    background: rgba(184,134,11,0.1);
    color: var(--gold)
}

.back-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    padding: 0;
    margin-bottom: 12px;
    font-family: 'DM Sans',sans-serif
}

/* HUH BUTTON */
.huh-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border2);
    background: var(--card);
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'DM Sans',sans-serif;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06)
}

.huh-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transform: scale(1.05)
}

.huh-btn:active {
    transform: scale(0.95)
}

.huh-btn .huh-girl {
    font-size: 18px;
    animation: huhWobble 2.5s ease-in-out infinite
}

@keyframes huhWobble {
    0%,100% {
        transform: rotate(0deg)
    }

    15% {
        transform: rotate(-12deg)
    }

    30% {
        transform: rotate(10deg)
    }

    45% {
        transform: rotate(-8deg)
    }

    60% {
        transform: rotate(6deg)
    }

    75% {
        transform: rotate(-3deg)
    }
}

.huh-result {
    background: var(--card);
    border: 2px solid var(--accent);
    border-radius: 14px;
    padding: 16px;
    margin-top: 12px;
    position: relative;
    animation: huhSlide 0.4s cubic-bezier(0.34,1.56,0.64,1)
}

@keyframes huhSlide {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.97)
    }

    to {
        opacity: 1;
        transform: none
    }
}

.huh-result .huh-style {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--pink);
    background: rgba(224,99,119,0.08);
    padding: 3px 10px;
    border-radius: 6px;
    margin-bottom: 8px
}

.huh-result .huh-body {
    font-size: 14px;
    line-height: 1.75;
    color: var(--ink2)
}

.huh-counter {
    font-size: 10px;
    opacity: 0.6;
    margin-left: 4px
}

/* CONCEPT DETAIL HERO */
.concept-hero {
    background: linear-gradient(135deg,var(--card),var(--bg2));
    border: 1px solid var(--border2);
    border-radius: 16px;
    padding: 22px;
    color: var(--ink);
    margin-bottom: 12px;
    position: relative;
    overflow: hidden
}

.concept-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle,rgba(124,92,191,0.08) 0%,transparent 70%);
    pointer-events: none
}

.concept-hero .ch-progress {
    font-size: 11px;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 8px
}

.concept-hero h2 {
    font-family: 'Instrument Serif',serif;
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--ink)
}

.concept-hero .ch-formula {
    font-family: 'JetBrains Mono',monospace;
    font-size: 14px;
    background: var(--bg2);
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: 10px;
    white-space: pre-line;
    margin-bottom: 12px;
    display: inline-block;
    color: var(--ink)
}

.concept-hero .ch-plain {
    font-size: 14px;
    line-height: 1.75;
    color: var(--ink2)
}

/* CONCEPT EXAMPLE / TIP ROW */
.concept-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 12px
}

.concept-ex {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 12px;
    padding: 14px;
    font-size: 13px;
    line-height: 1.7;
    color: var(--ink2)
}

.concept-ex .cx-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px
}

.concept-ex .cx-label.pink {
    color: var(--pink)
}

.concept-ex .cx-label.gold {
    color: var(--gold)
}

/* CONCEPT ACTIONS */
.concept-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap
}

.concept-actions-v2 {
    margin: 16px 0
}

.rate-row {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap
}

.rate-row .rate-btn {
    border: 1px solid var(--border2);
    background: var(--card);
    color: var(--ink2);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s
}

.rate-row .rate-btn:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.rate-row .rate-btn.sel-green {
    background: rgba(39,174,96,0.1);
    border-color: var(--green);
    color: var(--green)
}

.rate-row .rate-btn.sel {
    background: rgba(124,92,191,0.1);
    border-color: var(--accent);
    color: var(--accent)
}

.rate-row .rate-btn.sel-orange {
    background: rgba(245,158,11,0.1);
    border-color: var(--orange);
    color: var(--orange)
}

.test-me-btn {
    margin-left: auto;
    padding: 10px 20px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s
}

.test-me-btn:hover {
    background: var(--accent2);
    transform: translateY(-1px)
}

.study-tools-collapse {
    margin: 12px 0
}

.study-tools-collapse summary {
    cursor: pointer;
    padding: 10px 14px;
    background: var(--bg2);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink3)
}

.study-tools-collapse summary:hover {
    background: var(--bg3)
}

.study-tools-collapse .ctb-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap
}

.life-link {
    font-size: 12px;
    color: var(--accent);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 2px
}

.life-link:hover {
    color: var(--accent2)
}

.test-options-menu {
    display: flex;
    gap: 8px;
    padding: 12px;
    background: var(--bg2);
    border-radius: 10px;
    margin: 10px 0;
    flex-wrap: wrap
}

.test-options-menu button {
    flex: 1;
    min-width: 200px;
    padding: 12px 16px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink);
    cursor: pointer;
    text-align: left;
    transition: all 0.2s
}

.test-options-menu button:hover {
    border-color: var(--accent);
    background: rgba(124,92,191,0.05)
}

.go-deeper-v2 {
    margin: 14px 0;
    border: 1px solid var(--border2);
    border-radius: 10px;
    overflow: hidden
}

.go-deeper-v2 summary {
    cursor: pointer;
    padding: 12px 14px;
    background: var(--bg2);
    font-size: 12px;
    font-weight: 600;
    color: var(--ink2)
}

.go-deeper-v2 summary:hover {
    background: var(--bg3)
}

.go-deeper-v2 .gd-body {
    padding: 12px 14px
}

/* ═══ BOTTOM CARDS GRID — Outlook-style muted panels ═══ */
.bottom-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(140px,1fr));
    gap: 10px;
    margin-top: 16px
}

.bc-card {
    background: var(--bg2);
    border: 1px solid var(--border2);
    border-radius: 10px;
    padding: 10px 12px;
    opacity: 0.7;
    transition: all 0.2s;
    cursor: pointer
}

.bc-card:hover,.bc-card.expanded {
    opacity: 1;
    border-color: var(--accent);
    background: var(--card);
    box-shadow: 0 2px 8px rgba(124,92,191,0.1)
}

.bc-header {
    font-size: 11px;
    font-weight: 700;
    color: var(--ink3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px
}

.bc-card:hover .bc-header,.bc-card.expanded .bc-header {
    color: var(--ink)
}

.bc-icon {
    font-size: 14px
}

.bc-body {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px
}

.bc-body button {
    padding: 6px 10px;
    font-size: 11px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    color: var(--ink2)
}

.bc-body button:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(124,92,191,0.05)
}

.bc-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px
}

.bc-links {
    flex-direction: column;
    gap: 4px
}

.bc-links span {
    font-size: 11px;
    color: var(--accent);
    cursor: pointer
}

.bc-links span:hover {
    text-decoration: underline
}

.bc-related {
    grid-column: span 1
}

@media(max-width: 600px) {
    .bottom-cards-grid {
        grid-template-columns:1fr
    }
}

.gd-btn {
    width: 100%;
    padding: 10px 14px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink2);
    cursor: pointer;
    text-align: left;
    transition: all 0.2s
}

.gd-btn:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.cx-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ink3);
    margin-bottom: 6px
}

.concept-rate {
    display: flex;
    gap: 6px
}

.rate-btn {
    padding: 8px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--card);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    font-family: 'DM Sans',sans-serif;
    transition: all 0.15s
}

.rate-btn:hover {
    transform: scale(1.05)
}

.rate-btn.sel-green {
    background: var(--green);
    color: #fff;
    border-color: var(--green)
}

.rate-btn.sel {
    background: var(--gold);
    color: #fff;
    border-color: var(--gold)
}

.rate-btn.sel-orange {
    background: var(--orange);
    color: #fff;
    border-color: var(--orange)
}

/* CONCEPT NAV */
.concept-nav {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px
}

.concept-nav .cn-progress {
    flex: 1;
    font-size: 12px;
    color: var(--ink3);
    font-weight: 600;
    text-align: center
}

.go-deeper {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 10px
}

.go-deeper-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    color: var(--ink2);
    transition: background 0.15s
}

.go-deeper-header:hover {
    background: var(--hover)
}

.go-deeper-header .arrow {
    margin-left: auto;
    font-size: 10px;
    color: var(--ink3);
    transition: transform 0.2s
}

.go-deeper-body {
    display: none;
    padding: 0 14px 14px;
    border-top: 1px solid var(--border2)
}

.go-deeper-body.open {
    display: block
}

/* TOOL SECTIONS (Study Hub — aligned with Home / Memory) */
.sh-tools-wrap {
    max-width: none;
    margin: 0;
    padding: 24px 24px 40px
}

@media (max-width: 1100px) {
    .sh-tools-wrap {
        padding: 18px 16px 32px
    }
}

@media (max-width: 980px) {
    .sh-tools-wrap {
        padding: 16px 12px 28px
    }
}

.sh-tools-head {
    padding: 4px 0 16px
}

.sh-tools-head h2 {
    font-family: Inter,system-ui,sans-serif;
    font-size: 30px;
    font-weight: 700;
    line-height: 36px;
    letter-spacing: 0;
    margin: 0;
    color: #101828
}

.sh-tools-head p {
    font-family: Inter,system-ui,sans-serif;
    color: #4A5565;
    font-size: 16px;
    line-height: 24px;
    margin: 6px 0 0 0
}

.tools-title-ic {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: rgba(17,171,151,0.10);
    color: #11AB97;
    margin-right: 10px;
    font-size: 16px;
    line-height: 1;
    vertical-align: middle
}

html[dir="rtl"] .tools-title-ic {
    margin-right: 0;
    margin-left: 10px
}

.tool-section {
    background: var(--card);
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04)
}

.tool-section-cta {
    border: 1px dashed #11AB97;
    background: rgba(17,171,151,0.06);
    box-shadow: none
}

.tool-cta-inner {
    padding: 20px;
    text-align: center
}

.tool-cta-icon {
    font-size: 28px;
    margin-bottom: 8px;
    line-height: 1
}

.tool-cta-title {
    font-family: Inter,system-ui,sans-serif;
    font-weight: 700;
    font-size: 15px;
    color: #101828;
    margin-bottom: 4px
}

.tool-cta-sub {
    font-family: Inter,system-ui,sans-serif;
    font-size: 13px;
    color: #4A5565;
    margin-bottom: 14px;
    line-height: 1.45
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px;
    cursor: pointer;
    transition: background 0.15s;
    user-select: none;
    background: #fff
}

.tool-header:hover {
    background: #F9FAFB
}

.tool-header .icon {
    font-size: 20px
}

.tool-header .title {
    font-family: Inter,system-ui,sans-serif;
    font-weight: 600;
    font-size: 15px;
    line-height: 22px;
    flex: 1;
    color: #101828
}

.tool-header .arrow {
    font-size: 12px;
    color: var(--ink3);
    transition: transform 0.2s
}

.tool-header.open .arrow {
    transform: rotate(180deg)
}

.tool-body {
    display: none;
    padding: 16px;
    border-top: 1px solid #E5E7EB;
    background: #fff
}

.tool-body.open {
    display: block
}

.tool-body textarea,
.tool-body input[type=text],
.tool-body input[type=number] {
    width: 100%;
    box-sizing: border-box;
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    line-height: 1.5;
    border: 1px solid #E5E7EB;
    border-radius: 10px;
    background: #F9FAFB;
    color: var(--ink);
    padding: 12px 14px
}

.tool-body textarea:focus,
.tool-body input[type=text]:focus,
.tool-body input[type=number]:focus {
    outline: none;
    border-color: #11AB97;
    box-shadow: 0 0 0 3px rgba(17,171,151,0.12);
    background: var(--card)
}

/* FLOATING CHAT */
.chat-fab {
    position: fixed;
    bottom: 20px;
    bottom: calc(20px + env(safe-area-inset-bottom,0));
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 24px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(17,171,151,0.3);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s
}

.chat-fab:hover {
    transform: scale(1.08)
}

.chat-fab .badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--pink);
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg)
}

.chat-panel {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 100%;
    max-width: 480px;
    height: 100%;
    height: 100dvh;
    background: var(--card);
    border-left: 1px solid var(--border2);
    box-shadow: -8px 0 40px rgba(0,0,0,0.1);
    z-index: 250;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1)
}

.chat-panel.open {
    transform: translateX(0)
}

.chat-top {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border2);
    flex-shrink: 0
}

.chat-top .name {
    font-weight: 700;
    font-size: 15px;
    flex: 1
}

.chat-top .close {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    border: none;
    background: var(--bg2);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink3)
}

.chat-msgs {
    flex: 1;
    overflow-y: auto;
    padding: 14px 18px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    scroll-behavior: smooth
}

.chat-msg {
    margin-bottom: 12px;
    display: flex;
    gap: 8px;
    align-items: flex-start
}

.chat-msg.user {
    flex-direction: row-reverse
}

.chat-bubble {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.7;
    word-break: break-word;
    overflow-wrap: break-word
}

.chat-msg.ai .chat-bubble {
    background: var(--bg2);
    color: var(--ink)
}

.chat-msg.user .chat-bubble {
    background: var(--grad);
    color: #fff
}

.chat-av {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0
}

.chat-input-bar {
    display: flex;
    gap: 8px;
    padding: 12px 18px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom,0));
    border-top: 1px solid var(--border2);
    flex-shrink: 0;
    align-items: flex-end
}

.chat-input-bar textarea {
    min-height: 38px;
    max-height: 100px;
    resize: none;
    padding: 9px 12px;
    font-size: 14px
}

/* EMO BAR */
.emo-bar {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px
}

.emo-bar.calm {
    background: var(--bg2);
    color: var(--green);
    border: 1px solid rgba(58,125,68,0.2)
}

.emo-bar.confused {
    background: #fff8eb;
    color: var(--gold);
    border: 1px solid rgba(184,134,11,0.2)
}

[data-theme="dark"] .emo-bar.confused {
    background: rgba(184,134,11,0.08)
}

.emo-bar.frustrated {
    background: #fff5f5;
    color: var(--orange);
    border: 1px solid rgba(196,87,42,0.2)
}

[data-theme="dark"] .emo-bar.frustrated {
    background: rgba(196,87,42,0.08)
}

.emo-bar.anxious {
    background: #f8f0ff;
    color: var(--accent);
    border: 1px solid rgba(124,92,191,0.2)
}

[data-theme="dark"] .emo-bar.anxious {
    background: rgba(124,92,191,0.08)
}

.ai-response {
    background: var(--card);
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    padding: 20px;
    margin-top: 14px;
    border-left: 4px solid #11AB97;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04)
}

.ai-response h3 {
    font-family: Inter,system-ui,sans-serif;
    color: #11AB97;
    font-size: 15px;
    margin-bottom: 8px
}

.ai-body {
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    line-height: 1.7;
    color: #4A5565
}

.search-item {
    padding: 12px 14px;
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
    border-left: 3px solid #11AB97;
    border-radius: 0 10px 10px 0;
    margin-bottom: 8px;
    font-size: 13px
}

.search-item a {
    color: #0D9488;
    font-weight: 600;
    text-decoration: none;
    font-family: Inter,system-ui,sans-serif
}

/* CALC */
.calc-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px
}

.calc-btn {
    padding: 8px 12px;
    border-radius: 10px;
    border: 1px solid #E5E7EB;
    background: #fff;
    color: #101828;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: Inter,system-ui,sans-serif;
    transition: all 0.15s
}

.calc-btn:hover {
    border-color: #11AB97;
    color: #11AB97
}

.calc-btn.active {
    background: linear-gradient(180deg,#19B7A0 0%,#0FA08C 100%);
    color: #fff;
    border-color: transparent
}

.calc-result-box {
    background: linear-gradient(180deg,#19B7A0 0%,#0FA08C 100%);
    border-radius: 12px;
    padding: 14px 18px;
    margin: 12px 0;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06)
}

.calc-result-box .label {
    color: rgba(255,255,255,0.7);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px
}

.calc-result-box .value {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    font-family: 'JetBrains Mono',monospace;
    margin-top: 3px
}

.calc-work {
    background: var(--bg2);
    border-radius: 10px;
    padding: 12px;
    font-size: 13px;
    line-height: 1.7;
    white-space: pre-wrap;
    margin: 8px 0;
    color: var(--ink2)
}

.calc-explain {
    background: rgba(58,125,68,0.06);
    border-radius: 10px;
    padding: 12px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--green)
}

/* Math Workbench */
.mw-expr-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #E5E7EB;
    border-radius: 10px;
    font-family: 'JetBrains Mono',monospace;
    font-size: 14px;
    background: #F9FAFB;
    color: var(--ink)
}

.mw-expr-input:focus {
    outline: none;
    border-color: #11AB97;
    box-shadow: 0 0 0 3px rgba(17,171,151,0.12);
    background: var(--card)
}

/* Accounting Tools */
.acct-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    font-size: 13px
}

.acct-table th {
    background: #F9FAFB;
    padding: 8px 12px;
    text-align: left;
    font-family: Inter,system-ui,sans-serif;
    font-weight: 600;
    font-size: 12px;
    color: #101828;
    border-bottom: 1px solid #E5E7EB
}

.acct-table td {
    padding: 8px 12px;
    border-bottom: 1px solid #E5E7EB;
    font-family: Inter,system-ui,sans-serif
}

.acct-table tr:last-child td {
    border-bottom: none
}

.taccount {
    background: var(--card);
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    padding: 10px;
    min-width: 140px;
    flex: 1;
    max-width: 180px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04)
}

.taccount-title {
    font-family: Inter,system-ui,sans-serif;
    font-weight: 700;
    font-size: 12px;
    text-align: center;
    padding-bottom: 6px;
    border-bottom: 2px solid #11AB97;
    margin-bottom: 6px;
    color: #101828
}

.taccount-body {
    display: flex;
    gap: 0
}

.taccount-side {
    flex: 1;
    text-align: right;
    padding: 4px 6px;
    font-size: 12px;
    font-family: 'JetBrains Mono',monospace
}

.taccount-side:first-child {
    border-right: 1px solid var(--border);
    text-align: right
}

.taccount-side:last-child {
    text-align: right
}

.taccount-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--ink3);
    text-transform: uppercase;
    margin-bottom: 4px
}

.taccount-bal {
    font-weight: 700;
    margin-top: 6px;
    padding-top: 4px;
    border-top: 1px solid var(--border)
}

.ratio-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 10px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px
}

.ratio-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--ink);
    flex: 1
}

.ratio-val {
    font-size: 18px;
    font-weight: 800;
    font-family: 'JetBrains Mono',monospace;
    color: var(--accent)
}

.ratio-int {
    font-size: 11px;
    color: var(--ink3)
}

/* PRACTICE */
.practice-card {
    background: var(--card);
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 10px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04)
}

.practice-card .pc-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    cursor: pointer;
    transition: background 0.15s
}

.practice-card .pc-header:hover {
    background: #F9FAFB
}

.practice-card .pc-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(180deg,#19B7A0 0%,#0FA08C 100%);
    color: #fff;
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0
}

.practice-card .pc-topic {
    font-family: Inter,system-ui,sans-serif;
    font-size: 11px;
    font-weight: 700;
    color: #4A5565;
    text-transform: uppercase;
    letter-spacing: 0.5px
}

.practice-card .pc-toggle {
    margin-left: auto;
    font-size: 10px;
    color: var(--ink3);
    transition: transform 0.2s
}

.practice-card.open .pc-toggle {
    transform: rotate(180deg)
}

.practice-card .pc-body {
    padding: 0 16px 16px
}

.practice-card .pc-question {
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.65;
    white-space: pre-line;
    margin-bottom: 12px;
    padding: 12px 14px;
    background: #F9FAFB;
    border-radius: 10px;
    border-left: 3px solid #11AB97;
    border: 1px solid #E5E7EB
}

/* Dark mode readability: quiz/practice question text should not be dark */
.dark-mode .practice-question,[data-theme="dark"] .practice-question {
    color: #f5f5f5
}

[data-theme="dark"] .practice-card .pc-question {
    color: #f5f5f5
}

[data-theme="dark"] .katex,[data-theme="dark"] .katex-display {
    color: var(--ink)
}

.practice-card .pc-try {
    font-size: 12px;
    color: var(--ink3);
    font-style: italic;
    margin-bottom: 10px
}

.practice-card .pc-steps {
    border-top: 1px solid #E5E7EB;
    padding-top: 10px
}

.practice-card .pc-step {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    padding: 6px 0;
    font-size: 13px;
    line-height: 1.65
}

.pc-solution {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border2)
}

.practice-card .pc-step-num {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg2);
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--ink3);
    margin-top: 2px
}

.practice-card .pc-step.final .pc-step-num {
    background: var(--green);
    color: #fff
}

.practice-card .pc-step.final {
    color: var(--green);
    font-weight: 700
}

/* DROP ZONE */
.drop-zone {
    border: 1px dashed #CBD5E1;
    border-radius: 14px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #F9FAFB;
    color: #4A5565
}

.drop-zone:hover {
    border-color: #11AB97;
    color: #11AB97;
    background: rgba(17,171,151,0.04)
}

.drop-zone .icon {
    font-size: 28px;
    margin-bottom: 6px
}

/* OVERLAY */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,10,25,0.6);
    z-index: 300;
    display: none;
    align-items: center;
    justify-content: center;
    -webkit-backdrop-filter: blur(4px)
}

.overlay.show {
    display: flex
}

.settings-panel {
    background: var(--card);
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    max-width: 480px;
    width: 90%;
    padding: 24px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(15,23,42,0.12)
}

.settings-panel h2 {
    font-family: Inter,system-ui,sans-serif;
    font-size: 22px;
    font-weight: 700;
    line-height: 28px;
    color: #101828;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px
}

.settings-panel label {
    display: block;
    font-family: Inter,system-ui,sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: #101828;
    margin-top: 14px;
    margin-bottom: 6px
}

.settings-panel select,
.settings-panel input[type=text],
.settings-panel input[type=number],
.settings-panel textarea {
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    line-height: 1.4;
    border: 1px solid #E5E7EB;
    border-radius: 10px;
    background: #F9FAFB;
    color: var(--ink);
    box-sizing: border-box
}

.settings-panel select:focus,
.settings-panel input[type=text]:focus,
.settings-panel input[type=number]:focus,
.settings-panel textarea:focus {
    outline: none;
    border-color: #11AB97;
    box-shadow: 0 0 0 3px rgba(17,171,151,0.15);
    background: var(--card)
}

/* My World button pulse when empty */
.tb-btn-world {
    position: relative
}

.tb-btn-world.world-empty::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 4px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(135deg,#7c5cbf,#e06377);
    animation: worldPulse 2s ease-in-out infinite
}

@keyframes worldPulse {
    0%,100% {
        opacity: 0.5;
        transform: scale(0.8)
    }

    50% {
        opacity: 1;
        transform: scale(1.2)
    }
}

/* My World Modal */
.myworld-panel {
    background: var(--card);
    border-radius: 20px;
    max-width: 480px;
    width: 92%;
    padding: 0;
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: var(--shadow3);
    animation: mwSlide 0.35s cubic-bezier(0.34,1.56,0.64,1)
}

@keyframes mwSlide {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.97)
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1)
    }
}

.mw-header {
    padding: 22px 24px 16px;
    background: linear-gradient(135deg,rgba(124,92,191,0.08),rgba(224,99,119,0.06));
    border-bottom: 1px solid var(--border2);
    border-radius: 20px 20px 0 0;
    position: sticky;
    top: 0;
    z-index: 2;
    backdrop-filter: blur(8px)
}

.mw-body {
    padding: 20px 24px
}

.mw-section {
    margin-bottom: 20px
}

.mw-section-title {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--ink3);
    margin-bottom: 10px
}

.mw-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px
}

.mw-chip {
    padding: 7px 13px;
    border-radius: 30px;
    border: 1.5px solid var(--border2);
    background: var(--bg2);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.18s;
    color: var(--ink2);
    font-weight: 500;
    user-select: none
}

.mw-chip.active {
    border-color: var(--accent);
    background: linear-gradient(135deg,rgba(124,92,191,0.12),rgba(224,99,119,0.08));
    color: var(--accent);
    font-weight: 700
}

.mw-chip:hover:not(.active) {
    border-color: var(--accent);
    color: var(--accent);
    transform: scale(1.03)
}

.mw-input {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border2);
    border-radius: 12px;
    background: var(--card);
    color: var(--ink);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    transition: border-color 0.2s;
    resize: none;
    box-sizing: border-box
}

.mw-input:focus {
    outline: none;
    border-color: var(--accent)
}

.mw-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    background: linear-gradient(135deg,rgba(124,92,191,0.12),rgba(20,184,166,0.08));
    border: 1px solid rgba(124,92,191,0.2);
    font-size: 12px;
    color: var(--accent);
    font-weight: 600;
    margin: 2px
}

.mw-tag-remove {
    cursor: pointer;
    opacity: 0.6;
    font-size: 11px;
    line-height: 1
}

.mw-tag-remove:hover {
    opacity: 1
}

.mw-tags-area {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 8px;
    min-height: 0
}

.mw-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border2);
    display: flex;
    gap: 8px;
    position: sticky;
    bottom: 0;
    background: var(--card);
    border-radius: 0 0 20px 20px
}

.mw-save-btn {
    flex: 1;
    padding: 12px;
    border-radius: 12px;
    background: linear-gradient(135deg,#7c5cbf,#e06377);
    color: #fff;
    border: none;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: transform 0.15s,opacity 0.15s;
    font-family: inherit
}

.mw-save-btn:hover {
    transform: scale(1.02)
}

.mw-cancel-btn {
    padding: 12px 18px;
    border-radius: 12px;
    border: 1.5px solid var(--border2);
    background: transparent;
    color: var(--ink2);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s
}

.mw-cancel-btn:hover {
    border-color: var(--accent);
    color: var(--accent)
}

.mw-intro {
    font-size: 13px;
    color: var(--ink2);
    margin-bottom: 16px;
    line-height: 1.6;
    padding: 12px 14px;
    background: linear-gradient(135deg,rgba(124,92,191,0.05),rgba(20,184,166,0.04));
    border-radius: 12px;
    border-left: 3px solid #7c5cbf
}

/* MOOD OVERLAY */
.mood-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,10,25,0.8);
    z-index: 400;
    display: none;
    align-items: center;
    justify-content: center;
    -webkit-backdrop-filter: blur(6px)
}

.mood-overlay.active {
    display: flex
}

.mood-card {
    background: var(--card);
    border-radius: 20px;
    padding: 30px;
    max-width: 340px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow3);
    animation: welcomeIn 0.5s ease
}

.mood-title {
    font-family: 'Instrument Serif',serif;
    font-size: 22px;
    margin-bottom: 4px
}

.mood-sub {
    font-size: 12px;
    color: var(--ink3);
    margin-bottom: 16px
}

.mood-row {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 14px
}

.mood-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px solid var(--border);
    background: var(--card);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.15s
}

.mood-btn:hover {
    transform: scale(1.1)
}

.mood-btn.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(124,92,191,0.2);
    transform: scale(1.1)
}

.feeling-btn {
    padding: 8px 14px;
    border-radius: 20px;
    border: 1.5px solid var(--border);
    background: var(--card);
    color: var(--ink);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    font-family: 'DM Sans',sans-serif
}

.feeling-btn:hover {
    border-color: var(--accent)
}

.feeling-btn.selected {
    border-color: var(--accent);
    background: rgba(124,92,191,0.1);
    color: var(--accent)
}

/* LEVEL UP */
.levelup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15,10,25,0.85);
    z-index: 500;
    display: none;
    align-items: center;
    justify-content: center
}

.levelup-overlay.show {
    display: flex
}

.levelup-card {
    background: var(--card);
    border-radius: 20px;
    padding: 36px;
    max-width: 340px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow3);
    animation: welcomeIn 0.6s cubic-bezier(0.34,1.56,0.64,1)
}

/* ACHIEVEMENTS / CELEBRATIONS */
.achievement-popup {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--card);
    border: 2px solid var(--gold);
    border-radius: 14px;
    padding: 14px 18px;
    box-shadow: var(--shadow3);
    z-index: 600;
    display: flex;
    gap: 10px;
    align-items: center;
    transform: translateX(120%);
    transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1),opacity 0.3s;
    max-width: 320px
}

.achievement-popup.show {
    transform: translateX(0)
}

[dir="rtl"] .achievement-popup {
    right: auto;
    left: 20px;
    transform: translateX(-120%)
}

[dir="rtl"] .achievement-popup.show {
    transform: translateX(0)
}

.celebration-overlay {
    position: fixed;
    inset: 0;
    z-index: 550;
    pointer-events: none;
    overflow: hidden
}

.confetti {
    position: absolute;
    top: -20px;
    width: 10px;
    height: 10px;
    animation: confettiFall 3s ease-in forwards
}

@keyframes confettiFall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1
    }

    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0
    }
}

/* FLOATING HEARTS */
.floating-hearts {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 100;
    overflow: hidden
}

.float-heart {
    position: absolute;
    bottom: -30px;
    animation: floatUp var(--dur) ease-out forwards;
    opacity: 0;
    pointer-events: none
}

@keyframes floatUp {
    0% {
        transform: translateX(0) translateY(0) scale(0.5);
        opacity: 0
    }

    10% {
        opacity: var(--peak,0.3)
    }

    50% {
        transform: translateX(var(--sway)) translateY(-50vh) scale(1)
    }

    100% {
        transform: translateX(calc(var(--sway)*-0.5)) translateY(-105vh) scale(0.3);
        opacity: 0
    }
}

/* SPARKLES */
.sparkle-burst {
    position: fixed;
    pointer-events: none;
    z-index: 1000
}

.sparkle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    animation: sparkleOut 0.6s ease-out forwards
}

@keyframes sparkleOut {
    0% {
        transform: translate(0,0) scale(1);
        opacity: 1
    }

    100% {
        transform: translate(var(--tx),var(--ty)) scale(0);
        opacity: 0
    }
}

/* STILL CONFUSED */
.still-confused-wrap {
    display: inline-block;
    padding: 2px;
    border-radius: 20px;
    background: linear-gradient(135deg,#7c5cbf,#e06377);
    background-size: 200% 200%;
    animation: infinityFlow 3s ease infinite
}

.still-confused {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 18px;
    border: none;
    background: var(--card);
    color: var(--ink2);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    font-family: 'DM Sans',sans-serif
}

.still-confused:hover {
    background: var(--bg2)
}

/* FOLLOW-UP PILLS */
.followup-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px
}

.followup-pill {
    padding: 6px 12px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--card);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    color: var(--accent);
    transition: all 0.15s;
    font-family: 'DM Sans',sans-serif
}

.followup-pill:hover {
    background: rgba(124,92,191,0.1);
    border-color: var(--accent)
}

.followup-pill.loading {
    opacity: 0.5;
    pointer-events: none
}

/* DAD MOMENT TOAST */
.dad-moment {
    position: fixed;
    bottom: 90px;
    bottom: calc(90px + env(safe-area-inset-bottom,0));
    left: 50%;
    transform: translateX(-50%) translateY(60px);
    background: var(--card);
    border: 2px solid var(--gold);
    border-radius: 16px;
    padding: 14px 22px;
    box-shadow: var(--shadow3);
    z-index: 300;
    text-align: center;
    transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
    opacity: 0;
    max-width: 85%
}

.dad-moment.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0)
}

/* CHAT BACKDROP (mobile) */
.chat-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200
}

@media(max-width: 600px) {
    .chat-backdrop.open {
        display:block
    }
}

.hide-m {
    display: inline
}

@media(max-width: 600px) {
    .hide-m {
        display:none
    }
}

/* TOGGLE SWITCH */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0
}

.toggle-row .label {
    font-size: 13px;
    font-weight: 600
}

/* Toggle thumb only — no ::before "OFF/ON" text (that leaked into the a11y tree as stray text). State = role="switch" + aria-checked on the button. */
button.toggle-switch {
    margin: 0;
    padding: 0;
    border: none;
    font: inherit;
    color: inherit;
    -webkit-appearance: none;
    appearance: none
}

.toggle-switch {
    width: 48px;
    height: 26px;
    border-radius: 13px;
    background: var(--border);
    position: relative;
    cursor: pointer;
    transition: background 0.2s;
    flex-shrink: 0
}

.toggle-switch.on {
    background: var(--accent)
}

.toggle-switch:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2)
}

.toggle-switch.on::after {
    transform: translateX(22px)
}

/* ═══ MOBILE RESPONSIVE ═══ */
@media(max-width: 600px) {
    .concept-row {
        grid-template-columns:1fr
    }

    .stat-row {
        grid-template-columns: repeat(4,1fr);
        gap: 6px
    }

    .stat-val {
        font-size: 18px
    }

    .stat-lbl {
        font-size: 8px
    }

    .concept-hero h2 {
        font-size: 20px
    }

    .concept-hero .ch-formula {
        font-size: 12px
    }

    .concept-hero .ch-plain {
        font-size: 13px
    }

    .rate-btn {
        padding: 8px 12px;
        font-size: 11px
    }

    .sub-card {
        padding: 12px;
        min-height: 44px;
        display: flex;
        align-items: center
    }

    .practice-card .pc-header {
        padding: 12px 14px;
        min-height: 48px
    }

    .btn {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center
    }

    .btn-sm {
        min-height: 40px
    }

    .btn-xs {
        min-height: 36px;
        padding: 8px 12px
    }

    .calc-btns {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
        scrollbar-width: none
    }

    .calc-btns::-webkit-scrollbar {
        display: none
    }

    .calc-btn {
        min-height: 40px;
        white-space: nowrap
    }

    .tool-header {
        padding: 14px;
        min-height: 48px
    }

    .tool-body {
        padding: 0 14px 14px
    }

    .chat-panel {
        max-width: 100%;
        width: 100%;
        left: 0;
        right: 0;
        height: 100%;
        height: 100dvh;
        border-radius: 0;
        border-left: none;
        box-shadow: none;
        transform: translateX(100%)
    }

    .chat-panel.open {
        transform: translateX(0)
    }

    .chat-fab {
        bottom: 16px;
        bottom: calc(16px + env(safe-area-inset-bottom,0));
        right: 16px;
        width: 52px;
        height: 52px;
        font-size: 22px
    }

    .chat-msgs {
        padding: 10px 12px
    }

    .chat-bubble {
        font-size: 14px;
        padding: 10px 14px;
        max-width: 92%;
        line-height: 1.7
    }

    .chat-av {
        width: 24px;
        height: 24px;
        font-size: 12px
    }

    .chat-input-bar {
        padding: 10px 12px;
        padding-bottom: calc(10px + env(safe-area-inset-bottom,0));
        gap: 6px
    }

    .chat-input-bar textarea {
        font-size: 16px;
        min-height: 40px;
        padding: 10px 12px
    }

    .huh-btn {
        padding: 10px 14px;
        font-size: 12px;
        min-height: 44px
    }

    .settings-panel {
        width: 95%;
        padding: 18px;
        max-height: 75vh
    }

    .mood-card {
        width: 95%;
        padding: 22px
    }

    .mood-btn {
        width: 48px;
        height: 48px;
        font-size: 22px
    }

    .feeling-btn {
        padding: 10px 14px;
        font-size: 12px;
        min-height: 44px
    }

    .welcome-card {
        padding: 28px 20px;
        width: 92%
    }

    .love-card {
        padding: 28px 20px;
        width: 92%
    }

    input,textarea {
        font-size: 16px;
        padding: 12px 14px
    }

    select {
        font-size: 16px;
        padding: 12px 14px
    }

    .levelup-card {
        padding: 28px 20px;
        max-width: 90%
    }

    .dad-moment {
        padding: 12px 18px;
        max-width: 85%;
        font-size: 13px
    }

    .breather-card {
        padding: 28px 20px;
        max-width: 92%
    }

    .emox-encourage {
        font-size: 12px;
        padding: 10px 12px
    }

    .fc-body {
        padding: 14px
    }

    .fc-header {
        padding: 12px 14px
    }

    .fc-quote {
        font-size: 14px;
        padding: 10px 12px
    }

    .fc-answer-input {
        flex-direction: column
    }

    .fc-answer-input input {
        font-size: 16px
    }

    .teach-msgs {
        padding: 10px 12px;
        max-height: 350px
    }

    .teach-msg .tm-bubble {
        font-size: 13px;
        padding: 8px 12px;
        max-width: 90%
    }

    .teach-input {
        padding: 10px 12px
    }

    .teach-input textarea {
        font-size: 16px;
        min-height: 44px
    }

    .peer-body {
        padding: 12px
    }

    .peer-quote {
        font-size: 14px;
        padding: 10px 12px
    }

    .review-btns {
        flex-wrap: nowrap
    }

    .review-btns button {
        font-size: 11px;
        padding: 8px 4px
    }

    .exam-textarea {
        font-size: 16px;
        min-height: 100px
    }

    .section-title {
        font-size: 20px
    }

    .achievement-popup {
        right: 10px;
        left: 10px;
        max-width: none
    }

    [dir="rtl"] .achievement-popup {
        right: 10px;
        left: 10px;
        transform: translateX(-120%)
    }

    [dir="rtl"] .achievement-popup.show {
        transform: translateX(0)
    }

    .course-grid {
        grid-template-columns: 1fr
    }
}

@media(max-width: 380px) {
    .lnd-for {
        font-size:36px
    }

    .concept-hero h2 {
        font-size: 19px
    }

    .rate-btn {
        padding: 8px 10px;
        font-size: 10px
    }

    .hero-title {
        font-size: 18px
    }

    .stat-val {
        font-size: 16px
    }

    /* Topbar uses stacked layout from max-width 768px; keep height auto */
    .topbar {
        height: auto
    }

    .tab-bar {
        height: 64px
    }

    .tab {
        padding: 6px 4px
    }

    .tab-icon svg {
        width: 18px;
        height: 18px
    }

    .tab-label {
        font-size: 9px
    }

    .course-tab {
        padding: 8px 12px;
        font-size: 12px
    }

    .course-tab-add {
        padding: 8px 10px;
        font-size: 11px
    }

    .course-tab-lib {
        padding: 8px 10px;
        font-size: 10px
    }
}

/* ═══ FLIP CARDS ═══ */
.fc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(200px,1fr));
    gap: 14px;
    margin: 12px 0
}

.fc-card {
    perspective: 600px;
    height: 220px;
    cursor: pointer
}

.fc-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.5s;
    transform-style: preserve-3d;
    border-radius: 14px
}

.fc-card.flipped .fc-card-inner {
    transform: rotateY(180deg)
}

.fc-card-front,.fc-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px;
    text-align: center;
    box-sizing: border-box
}

.fc-card-front {
    background: var(--card);
    border: 2px solid var(--border2)
}

.fc-card-back {
    background: var(--accent);
    color: #fff;
    transform: rotateY(180deg);
    font-size: 12px;
    line-height: 1.5;
    overflow-y: auto
}

.fc-card-front .fc-emoji {
    font-size: 40px;
    margin-bottom: 10px
}

.fc-card-front .fc-word {
    font-weight: 700;
    font-size: 15px;
    line-height: 1.4
}

.fc-card-front .fc-formula {
    font-size: 11px;
    color: var(--ink3);
    margin-top: 6px;
    font-family: JetBrains Mono,monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical
}

.fc-card-back .fc-back-title {
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 6px
}

.fc-card-back .fc-back-tip {
    font-size: 11px;
    opacity: 0.8;
    margin-top: 8px;
    font-style: italic
}

.fc-meme-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg,#ff6b6b,#feca57);
    color: #1a1a1a;
    font-size: 14px;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5
}

.fc-meme-btn:hover {
    opacity: 1;
    transform: scale(1.15)
}

/* Creative Tools Bar */
.creative-tools-bar {
    margin: 12px 0;
    padding: 12px 14px;
    background: linear-gradient(135deg,rgba(255,107,107,0.05),rgba(254,202,87,0.05),rgba(72,219,251,0.05));
    border: 1px solid rgba(255,107,107,0.15);
    border-radius: 14px
}

.ctb-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--ink3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px
}

.ctb-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap
}

.ctb-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid var(--border2);
    background: var(--card);
    color: var(--ink);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s
}

.ctb-btn:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1)
}

.ctb-btn span {
    font-size: 14px
}

.ctb-meme {
    background: linear-gradient(135deg,rgba(255,107,107,0.1),rgba(254,202,87,0.1));
    border-color: rgba(255,107,107,0.3)
}

.ctb-meme:hover {
    background: linear-gradient(135deg,rgba(255,107,107,0.2),rgba(254,202,87,0.2));
    border-color: rgba(255,107,107,0.5)
}

/* Create FAB Speed Dial */
.create-fab-wrap {
    position: fixed;
    bottom: 20px;
    bottom: calc(20px + env(safe-area-inset-bottom,0));
    left: 20px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px
}

.create-fab {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg,#ff6b6b,#feca57);
    color: #1a1a1a;
    font-size: 24px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255,107,107,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s
}

.create-fab:hover {
    transform: scale(1.08)
}

.create-fab-wrap.open .create-fab {
    transform: rotate(45deg);
    background: linear-gradient(135deg,#ff6b6b,#ee5a5a)
}

.create-fab-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateY(20px) scale(0.8);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1)
}

.create-fab-wrap.open .create-fab-options {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto
}

.cfab-opt {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--card);
    border: 2px solid var(--border2);
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center
}

.cfab-opt:hover {
    transform: scale(1.1);
    border-color: var(--accent);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2)
}

@media(max-width: 600px) {
    .create-fab-wrap {
        bottom:80px;
        left: 16px
    }

    .create-fab {
        width: 50px;
        height: 50px;
        font-size: 20px
    }

    .cfab-opt {
        width: 40px;
        height: 40px;
        font-size: 16px
    }
}

.fc-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap
}

.fc-counter {
    font-size: 11px;
    color: var(--ink3);
    margin-left: auto
}

/* ═══ FULLSCREEN ═══ */
.fs-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg1);
    z-index: 9999;
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
    animation: fadeIn 0.2s
}

.fs-overlay .fs-close {
    position: fixed;
    top: 12px;
    right: 16px;
    font-size: 20px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10000;
    box-shadow: var(--shadow)
}

.fs-overlay .fs-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 20px 0 60px;
    background: var(--bg)
}

.fs-overlay .fs-title {
    font-family: 'Instrument Serif',serif;
    font-size: 28px;
    margin-bottom: 16px;
    text-align: center
}

.fs-overlay .fs-formula {
    font-family: 'JetBrains Mono',monospace;
    font-size: 16px;
    background: var(--bg2);
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 16px;
    text-align: center;
    border-left: 4px solid var(--accent)
}

.fs-overlay .fs-explain {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 20px;
    color: var(--ink)
}

.fs-overlay .fs-section {
    margin-bottom: 20px;
    padding: 16px;
    background: var(--card);
    border-radius: 12px;
    border: 1px solid var(--border2)
}

.fs-overlay .fs-section-title {
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 8px
}

.fs-overlay .fs-section-body {
    font-size: 14px;
    line-height: 1.6;
    color: var(--ink2)
}

.fs-nav {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px
}

/* ═══ POMODORO TIMER ═══ */
.pomo-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 10px;
    font-size: 12px;
    cursor: pointer;
    user-select: none
}

.pomo-bar .pomo-time {
    font-family: 'JetBrains Mono',monospace;
    font-weight: 700;
    font-size: 14px;
    min-width: 48px;
    text-align: center
}

.pomo-bar .pomo-label {
    font-size: 10px;
    color: var(--ink3);
    font-weight: 600
}

.pomo-bar.studying .pomo-time {
    color: var(--accent)
}

.pomo-bar.onbreak .pomo-time {
    color: var(--green)
}

.pomo-bar.done {
    animation: pulse 1s ease-in-out 3
}

@keyframes pulse {
    0%,100% {
        opacity: 1
    }

    50% {
        opacity: 0.5
    }
}

/* ═══ VISUALS: KATEX, DIAGRAMS, CONCEPT MAP ═══ */
.katex-display {
    margin: 8px 0;
    overflow-x: auto;
    overflow-y: hidden
}

.vis-container {
    margin: 12px 0;
    padding: 16px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 14px;
    overflow: hidden;
    overflow-x: auto
}

.vis-container>div:first-child {
    font-size: 13px;
    line-height: 1.6
}

.vis-container table {
    border-collapse: collapse;
    width: 100%
}

.vis-container td,.vis-container th {
    padding: 6px 10px;
    border: 1px solid var(--border2);
    font-size: 12px
}

.vis-container .vis-label {
    font-size: 11px;
    color: var(--ink3);
    text-align: center;
    margin-top: 8px
}

.brain-primer {
    margin: 8px 0 14px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    border-left: 3px solid rgba(255,255,255,0.4)
}

.brain-primer .bp-what {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 4px
}

.brain-primer .bp-why {
    font-size: 13px;
    opacity: 0.85;
    line-height: 1.5
}

.brain-primer .bp-hook {
    font-size: 12px;
    opacity: 0.7;
    font-style: italic;
    margin-top: 6px
}

.brain-primer:empty {
    display: none
}

.vis-loading {
    text-align: center;
    padding: 20px;
    color: var(--ink3);
    font-size: 13px;
    font-weight: 600
}

.vis-loading::before {
    content: '';
    display: block;
    width: 28px;
    height: 28px;
    border: 3px solid var(--bg3);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 8px
}

.vis-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 9px 16px;
    border-radius: 10px;
    border: 2px solid var(--border);
    background: var(--card);
    cursor: pointer;
    font-size: 13px;
    font-weight: 800;
    color: var(--accent);
    font-family: 'DM Sans',sans-serif;
    transition: all 0.15s;
    box-shadow: var(--shadow)
}

.vis-btn:hover {
    background: var(--hover);
    border-color: var(--accent);
    transform: scale(1.04);
    box-shadow: var(--shadow2)
}

.vis-btn:disabled {
    cursor: wait;
    transform: none;
    box-shadow: none
}

.vis-spin {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(124,92,191,0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle
}

.vis-loading-card {
    text-align: center;
    padding: 32px 20px;
    margin: 12px 0;
    background: linear-gradient(135deg,rgba(124,92,191,0.04),rgba(224,99,119,0.04));
    border: 1.5px dashed var(--accent);
    border-radius: 16px;
    animation: visPulse 2s ease-in-out infinite
}

.vis-spin-big {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(124,92,191,0.15);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px
}

@keyframes visPulse {
    0%,100% {
        opacity: 1
    }

    50% {
        opacity: 0.7
    }
}

/* Concept map */
.cmap-container {
    width: 100%;
    padding: 12px;
    background: var(--bg2);
    border-radius: 12px;
    margin: 12px 0
}

.cmap-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap
}

.cmap-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto
}

.cmap-ctrl-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border2);
    background: var(--card);
    color: var(--ink);
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s
}

.cmap-ctrl-btn:hover {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff
}

.cmap-zoom-level {
    font-size: 11px;
    font-weight: 600;
    color: var(--ink3);
    min-width: 40px;
    text-align: center
}

.cmap-expand-btn {
    font-size: 14px
}

.cmap-legend {
    display: flex;
    gap: 10px;
    font-size: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap
}

.cmap-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    vertical-align: middle;
    margin-right: 3px
}

.cmap-viewport {
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: 10px;
    background: var(--card);
    border: 1px solid var(--border2);
    cursor: grab;
    position: relative
}

.cmap-viewport:active {
    cursor: grabbing
}

.cmap-inner {
    transition: transform 0.1s ease-out;
    min-width: 100%;
    min-height: 100%
}

.cmap-node {
    cursor: pointer;
    transition: opacity 0.2s
}

.cmap-node:hover {
    opacity: 0.8
}

.cmap-node text {
    font-family: 'DM Sans',sans-serif
}

/* Fullscreen modal */
.cmap-fullscreen-modal {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: 9999;
    display: flex;
    flex-direction: column
}

.cmap-fs-header {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border2);
    background: var(--card)
}

.cmap-fs-legend {
    padding: 8px 16px;
    display: flex;
    gap: 12px;
    font-size: 11px;
    background: var(--bg2);
    border-bottom: 1px solid var(--border2)
}

.cmap-fs-viewport {
    flex: 1;
    overflow: hidden;
    cursor: grab;
    position: relative
}

.cmap-fs-viewport:active {
    cursor: grabbing
}

.cmap-close-btn {
    background: var(--pink)!important;
    color: #fff!important;
    border-color: var(--pink)!important;
    font-size: 14px
}

/* Chat visual output */
.chat-visual {
    margin: 8px 0;
    padding: 10px;
    background: var(--bg2);
    border-radius: 10px;
    overflow: hidden
}

.chat-visual svg {
    max-width: 100%;
    height: auto
}

@media print {
    .vis-container {
        break-inside: avoid
    }
}

/* ═══ PRINT (hidden on screen) ═══ */
@media print {
    body * {
        visibility: hidden
    }

    .print-sheet,.print-sheet * {
        visibility: visible
    }

    .print-sheet {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%
    }
}

/* ═══ DASHBOARD ═══ */
.dash-hero-card {
    background: linear-gradient(135deg,var(--card),var(--bg2));
    border: 1px solid var(--border2);
    border-radius: 18px;
    padding: 32px 28px;
    color: var(--ink);
    position: relative;
    overflow: hidden;
    margin-bottom: 20px
}

.dash-hero-card::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle,rgba(124,92,191,0.08) 0%,transparent 70%);
    border-radius: 50%;
    pointer-events: none
}

.dash-hero-card h2 {
    font-family: 'Instrument Serif',serif;
    font-size: 28px;
    margin-bottom: 4px;
    position: relative;
    color: var(--ink)
}

.dash-hero-card p {
    font-size: 14px;
    color: var(--ink2);
    position: relative
}

/* ═══ CONTINUE LEARNING HERO ═══ */
.dash-continue-hero {
    background: linear-gradient(135deg,var(--card),var(--bg2));
    border: 1px solid var(--border2);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 20px;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden
}

.dash-continue-hero:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow)
}

.dash-continue-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle,rgba(124,92,191,0.08) 0%,transparent 70%);
    pointer-events: none
}

.dash-continue-hero::after {
    display: none
}

.dch-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px
}

.dch-icon {
    font-size: 36px
}

.dch-meta {
    flex: 1
}

.dch-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--ink);
    font-family: 'Instrument Serif',serif
}

.dch-subject {
    font-size: 12px;
    color: var(--ink3);
    font-weight: 600;
    margin-top: 2px
}

.dch-pct-ring {
    position: relative;
    width: 56px;
    height: 56px;
    flex-shrink: 0
}

.dch-pct-num {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    color: var(--accent)
}

.dch-progress-track {
    height: 8px;
    background: rgba(124,92,191,0.1);
    border-radius: 4px;
    margin-bottom: 10px;
    overflow: hidden
}

.dch-progress-fill {
    height: 100%;
    background: var(--grad);
    border-radius: 4px;
    transition: width 0.6s ease-out
}

.dch-stats-row {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--ink2);
    flex-wrap: wrap;
    margin-bottom: 12px
}

.dch-stats-row strong {
    color: var(--ink);
    font-weight: 800
}

.dch-next {
    background: rgba(124,92,191,0.05);
    border-radius: 12px;
    padding: 10px 14px;
    margin-bottom: 14px
}

.dch-next-label {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 3px
}

.dch-next-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--ink)
}

.dch-next-reason {
    font-size: 11px;
    color: var(--ink3);
    margin-top: 2px
}

.dch-cta {
    text-align: center;
    padding: 14px;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.3px;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(124,92,191,0.25)
}

.dash-continue-hero:hover .dch-cta {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(124,92,191,0.35)
}

.dash-hero-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px
}

.dash-hero-stats {
    display: flex;
    gap: 10px;
    font-size: 11px;
    font-weight: 700;
    color: var(--ink3)
}

.dash-hero-progress-row {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px
}

.dash-hero-progress-text {
    flex: 1
}

.dash-hero-meta-row {
    display: flex;
    gap: 12px;
    font-size: 11px;
    font-weight: 700
}

.dash-explored-msg {
    padding: 10px 14px;
    background: rgba(124,92,191,0.05);
    border-radius: 12px;
    margin-bottom: 14px;
    text-align: center;
    font-size: 13px;
    color: var(--ink2)
}

.dash-srs-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 10px;
    background: linear-gradient(135deg,rgba(245,158,11,0.12),rgba(224,99,119,0.08));
    border: 2px solid rgba(245,158,11,0.3);
    border-radius: 14px;
    cursor: pointer;
    animation: fadeIn 0.3s
}

.dash-srs-banner .dch-arrow {
    font-size: 20px;
    color: var(--orange)
}

/* RTL: "Let's learn" / main content on the left in Arabic */
[dir="rtl"] .dash-continue-hero .dash-hero-top {
    flex-direction: row-reverse
}

[dir="rtl"] .dash-continue-hero .dash-hero-progress-row {
    flex-direction: row-reverse
}

[dir="rtl"] .dash-quick-row {
    flex-direction: row-reverse;
    flex-wrap: wrap-reverse
}

[dir="rtl"] .dash-note-item:hover {
    transform: translateX(-3px)
}

[dir="rtl"] .dash-note-item .dni-badge {
    margin-left: 0;
    margin-right: auto
}

/* ═══ QUICK ACTION PILLS ═══ */
.dash-quick-row {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap
}

.dqr-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 14px;
    border-radius: 12px;
    border: 1px solid var(--border2);
    background: var(--card);
    font-size: 12px;
    font-weight: 700;
    color: var(--ink2);
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'DM Sans',sans-serif;
    white-space: nowrap
}

.dqr-pill:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow)
}

.dqr-pill span {
    font-size: 14px
}

.dqr-pill small {
    font-size: 10px;
    color: var(--ink3);
    font-weight: 600
}

.dqr-add {
    border-style: dashed;
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(124,92,191,0.05)
}

.dqr-add:hover {
    background: var(--accent);
    color: #fff;
    border-style: solid
}

/* ═══ MINI STATS ROW ═══ */
.dash-mini-stats {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    flex-wrap: wrap
}

.dms-item {
    flex: 1;
    min-width: 50px;
    text-align: center;
    padding: 8px 4px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 10px
}

.dms-val {
    display: block;
    font-family: 'Instrument Serif',serif;
    font-size: 18px;
    color: var(--accent);
    font-weight: 700
}

.dms-lbl {
    display: block;
    font-size: 9px;
    font-weight: 700;
    color: var(--ink3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 1px
}

/* ═══ OLD DASH CLASSES (keep for other views) ═══ */
.dash-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
    gap: 12px;
    margin-bottom: 24px
}

.dash-action {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 14px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden
}

.dash-action:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow2);
    border-color: var(--accent)
}

.dash-action .da-icon {
    font-size: 28px;
    margin-bottom: 10px
}

.dash-action h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 3px
}

.dash-action p {
    font-size: 12px;
    color: var(--ink3);
    line-height: 1.4
}

.dash-action .da-arrow {
    position: absolute;
    top: 20px;
    right: 18px;
    font-size: 16px;
    color: var(--ink3);
    transition: all 0.2s
}

.dash-action:hover .da-arrow {
    color: var(--accent);
    transform: translateX(3px)
}

.dash-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(120px,1fr));
    gap: 10px;
    margin-bottom: 24px
}

.dash-stat {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 14px;
    padding: 18px;
    text-align: center;
    box-shadow: var(--shadow)
}

.dash-stat .ds-val {
    font-family: 'Instrument Serif',serif;
    font-size: 32px;
    color: var(--accent)
}

.dash-stat .ds-lbl {
    font-size: 11px;
    font-weight: 600;
    color: var(--ink3);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px
}

.dash-recent {
    margin-bottom: 20px
}

.dash-recent h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px
}

.dash-note-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s
}

.dash-note-item:hover {
    border-color: var(--accent);
    transform: translateX(3px)
}

.dash-note-item .dni-icon {
    font-size: 22px
}

.dash-note-item .dni-title {
    font-weight: 600;
    font-size: 13px
}

.dash-note-item .dni-meta {
    font-size: 11px;
    color: var(--ink3)
}

.dash-note-item .dni-badge {
    margin-left: auto;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 8px;
    background: rgba(58,125,68,0.1);
    color: var(--green)
}

/* ═══ MOBILE: DASHBOARD ═══ */
@media(max-width: 600px) {
    .precourse-header {
        flex-direction:column;
        align-items: stretch
    }

    .precourse-lang-switch {
        width: 100%
    }

    .precourse-lang-btn {
        flex: 1
    }

    .dash-continue-hero {
        padding: 18px
    }

    .dch-title {
        font-size: 17px
    }

    .dch-icon {
        font-size: 28px
    }

    .dch-pct-ring {
        width: 48px;
        height: 48px
    }

    .dch-pct-ring svg {
        width: 48px;
        height: 48px
    }

    .dch-cta {
        padding: 10px;
        font-size: 14px
    }

    .dqr-pill {
        padding: 6px 10px;
        font-size: 11px
    }

    .dms-item {
        padding: 6px 2px
    }

    .dms-val {
        font-size: 15px
    }
}

/* ═══ NOTES DROP ═══ */
.notes-drop-zone {
    background: #F9FAFB;
    border: 1px dashed #CBD5E1;
    border-radius: 18px;
    padding: 32px 24px;
    text-align: center;
    margin-bottom: 20px;
    transition: all 0.3s
}

.notes-drop-zone.drag-hover {
    border-color: #11AB97;
    background: rgba(17,171,151,0.04)
}

.notes-drop-zone .ndz-icon {
    font-size: 40px;
    margin-bottom: 8px
}

.notes-drop-zone h3 {
    font-family: Inter,system-ui,sans-serif;
    font-size: 18px;
    font-weight: 700;
    line-height: 26px;
    color: #101828;
    margin-bottom: 4px
}

.notes-drop-zone p {
    color: #4A5565;
    font-size: 13px;
    margin-bottom: 16px
}

.notes-subject-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    background: #F9FAFB;
    color: var(--ink);
    outline: none;
    margin-bottom: 10px;
    transition: border-color 0.2s
}

.notes-subject-input:focus {
    border-color: #11AB97;
    box-shadow: 0 0 0 3px rgba(17,171,151,0.12);
    background: var(--card)
}

.notes-textarea {
    width: 100%;
    min-height: 180px;
    padding: 16px;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    line-height: 1.7;
    resize: vertical;
    background: #F9FAFB;
    color: var(--ink);
    outline: none;
    transition: border-color 0.2s
}

.notes-textarea:focus {
    border-color: #11AB97;
    box-shadow: 0 0 0 3px rgba(17,171,151,0.12);
    background: var(--card)
}

.notes-btn-row {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
    justify-content: center
}

.notes-loading {
    text-align: center;
    padding: 48px 20px
}

.notes-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px
}

.notes-loading .nl-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--ink2)
}

.notes-loading .nl-sub {
    font-size: 12px;
    color: var(--ink3);
    margin-top: 4px
}

/* Processed notes cards */
.pn-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 10px
}

.pn-header h2 {
    font-family: Inter,system-ui,sans-serif;
    font-size: 22px;
    font-weight: 700;
    line-height: 28px;
    color: #101828
}

.pn-section {
    background: var(--card);
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04)
}

.pn-section-hdr {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: background 0.2s;
    user-select: none
}

.pn-section-hdr:hover {
    background: var(--hover)
}

.pn-section-hdr .pns-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0
}

.pn-section-hdr h3 {
    font-size: 15px;
    font-weight: 700;
    flex: 1
}

.pn-section-hdr .pns-toggle {
    font-size: 11px;
    color: var(--ink3);
    transition: transform 0.3s
}

.pn-section.open .pns-toggle {
    transform: rotate(180deg)
}

.pn-section-body {
    padding: 0 20px 20px;
    display: none
}

.pn-section.open .pn-section-body {
    display: block
}

.pn-concept {
    background: var(--bg2);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 10px
}

.pn-concept h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px
}

.pn-concept p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--ink2)
}

.pn-formula {
    font-family: 'JetBrains Mono',monospace;
    font-size: 14px;
    background: var(--bg-dark,#1e1e2e);
    color: #F6C549;
    padding: 12px 16px;
    border-radius: 10px;
    margin: 8px 0;
    display: inline-block
}

[data-theme="light"] .pn-formula {
    background: #1e1e2e;
    color: #F6C549
}

.pn-mnemonic {
    background: linear-gradient(135deg,rgba(124,92,191,0.08),rgba(224,99,119,0.08));
    border-radius: 10px;
    padding: 12px 16px;
    margin: 8px 0;
    font-size: 13px;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 8px
}

.pn-exam-q {
    background: rgba(184,134,11,0.08);
    border-left: 3px solid var(--gold);
    border-radius: 0 10px 10px 0;
    padding: 12px 16px;
    margin: 8px 0
}

.pn-exam-q .peq-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 4px
}

.pn-exam-q p {
    font-size: 13px;
    line-height: 1.5
}

.pn-tip {
    background: rgba(15,123,108,0.08);
    border-left: 3px solid var(--teal);
    border-radius: 0 10px 10px 0;
    padding: 12px 16px;
    margin: 8px 0
}

.pn-tip .pt-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--teal);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 4px
}

.pn-mistake {
    background: rgba(220,38,38,0.06);
    border-left: 3px solid var(--red);
    border-radius: 0 10px 10px 0;
    padding: 12px 16px;
    margin: 8px 0
}

.pn-mistake .pm-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 4px
}

.pn-quick-strip {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-bottom: 16px
}

.pn-quick-strip .pqs {
    background: rgba(184,134,11,0.1);
    color: var(--gold);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0
}

/* Notes library */
.notes-lib-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(240px,1fr));
    gap: 12px;
    margin-top: 16px
}

.notes-lib-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 14px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow)
}

.notes-lib-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow2);
    border-color: var(--accent)
}

.notes-lib-card .nlc-emoji {
    font-size: 24px;
    margin-bottom: 8px;
    display: block
}

.notes-lib-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px
}

.notes-lib-card .nlc-meta {
    font-size: 11px;
    color: var(--ink3)
}

.notes-lib-card .nlc-actions {
    display: flex;
    gap: 6px;
    margin-top: 10px
}

/* ═══ GAMIFIED QUIZ ═══ */
.gq-container {
    max-width: 600px;
    margin: 0 auto
}

.gq-progress {
    display: flex;
    gap: 3px;
    margin-bottom: 16px
}

.gq-progress .gqp {
    flex: 1;
    height: 5px;
    border-radius: 3px;
    background: var(--bg3);
    transition: all 0.4s
}

.gq-progress .gqp.correct {
    background: var(--green)
}

.gq-progress .gqp.wrong {
    background: var(--pink)
}

.gq-progress .gqp.current {
    background: var(--accent)
}

.gq-timer-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    background: var(--bg2);
    padding: 10px 14px;
    border-radius: 12px;
    border: 1.5px solid var(--border2)
}

.gq-timer-num {
    font-family: 'JetBrains Mono',monospace;
    font-size: 28px;
    font-weight: 800;
    min-width: 40px;
    text-align: center;
    transition: color 0.3s
}

.gq-timer-bar {
    flex: 1;
    height: 10px;
    background: var(--bg3);
    border-radius: 5px;
    overflow: hidden
}

.gq-timer-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 1s linear,background 0.3s
}

.gq-score {
    font-family: 'JetBrains Mono',monospace;
    font-size: 13px;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 5px
}

.gq-streak {
    font-size: 12px;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 12px
}

@keyframes gqBounce {
    0% {
        transform: scale(0)
    }

    60% {
        transform: scale(1.1)
    }

    100% {
        transform: scale(1)
    }
}

.gq-streak {
    animation: gqBounce 0.4s ease-out
}

.gq-q-num {
    font-family: 'JetBrains Mono',monospace;
    font-size: 11px;
    color: var(--ink3);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px
}

.gq-question {
    font-family: 'Instrument Serif',serif;
    font-size: 22px;
    line-height: 1.35;
    margin-bottom: 20px
}

.gq-option {
    font-family: 'DM Sans',sans-serif;
    font-size: 15px;
    font-weight: 500;
    width: 100%;
    text-align: left;
    background: var(--card);
    border: 1.5px solid var(--border2);
    border-radius: 12px;
    padding: 14px 18px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 12px
}

.gq-option:hover:not(:disabled) {
    border-color: var(--accent);
    background: rgba(124,92,191,0.05);
    transform: translateX(3px)
}

.gq-option:disabled {
    cursor: default
}

.gq-option .gqo-letter {
    font-family: 'JetBrains Mono',monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink3);
    min-width: 20px
}

.gq-option.gq-correct {
    background: rgba(58,125,68,0.08);
    border-color: var(--green);
    color: var(--green)
}

.gq-option.gq-correct .gqo-letter {
    color: var(--green)
}

.gq-option.gq-wrong {
    background: rgba(224,99,119,0.08);
    border-color: var(--pink);
    color: var(--pink)
}

.gq-option.gq-wrong .gqo-letter {
    color: var(--pink)
}

.gq-option.gq-dimmed {
    opacity: 0.35
}

.gq-fact {
    background: rgba(184,134,11,0.08);
    border-left: 3px solid var(--gold);
    border-radius: 0 10px 10px 0;
    padding: 12px 16px;
    margin-top: 12px;
    font-size: 13px;
    line-height: 1.6
}

.gq-next {
    width: 100%;
    margin-top: 12px
}

.gq-results {
    text-align: center;
    padding: 20px 0
}

.gq-results .gqr-emoji {
    font-size: 48px;
    margin-bottom: 6px
}

.gq-results h2 {
    font-family: 'Instrument Serif',serif;
    font-size: 32px;
    margin-bottom: 2px
}

.gq-results .gqr-sub {
    color: var(--ink3);
    font-size: 14px;
    margin-bottom: 20px
}

.gqr-stats {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 10px;
    margin-bottom: 20px
}

.gqr-stat {
    background: var(--bg2);
    border-radius: 12px;
    padding: 16px 10px
}

.gqr-stat .gqrs-val {
    font-family: 'Instrument Serif',serif;
    font-size: 28px
}

.gqr-stat .gqrs-lbl {
    font-size: 10px;
    font-weight: 600;
    color: var(--ink3);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px
}

.gqr-review {
    text-align: left;
    margin-bottom: 20px
}

.gqr-review-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--bg3);
    font-size: 13px
}

.gqr-review-item .gqri-icon {
    font-size: 14px;
    min-width: 20px;
    text-align: center
}

.gqr-review-item .gqri-q {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.gqr-review-item .gqri-ans {
    font-size: 11px;
    color: var(--ink3)
}

@keyframes gqTimerPulse {
    0%,100% {
        transform: scale(1)
    }

    50% {
        transform: scale(1.08)
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

/* LIVE STUDY SESSION — TOP BAR */
.ss-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--card);
    border-bottom: 2px solid var(--accent);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
    animation: ssSlideIn 0.3s ease-out
}

@keyframes ssSlideIn {
    from {
        transform: translateY(-100%);
        opacity: 0
    }

    to {
        transform: translateY(0);
        opacity: 1
    }
}

.ss-bar-timer {
    font-family: 'JetBrains Mono',monospace;
    font-size: 24px;
    font-weight: 700;
    min-width: 70px;
    letter-spacing: -1px
}

.ss-bar-timer.warning {
    color: var(--pink);
    animation: ssPulse 1s infinite
}

@keyframes ssPulse {
    0%,100% {
        opacity: 1
    }

    50% {
        opacity: 0.6
    }
}

.ss-bar-phase {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap
}

.ss-bar-phase.study {
    background: rgba(124,92,191,0.1);
    color: var(--accent)
}

.ss-bar-phase.break {
    background: rgba(58,125,68,0.1);
    color: var(--green)
}

.ss-bar-phase.review {
    background: rgba(245,158,11,0.1);
    color: var(--orange)
}

.ss-bar-stats {
    font-size: 11px;
    color: var(--ink3);
    display: flex;
    gap: 8px;
    align-items: center
}

.ss-bar-stats span {
    display: flex;
    align-items: center;
    gap: 2px
}

.ss-bar-btns {
    margin-left: auto;
    display: flex;
    gap: 6px;
    align-items: center
}

.ss-bar-btns button {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg2);
    cursor: pointer;
    color: var(--ink);
    font-weight: 600;
    font-family: 'DM Sans',sans-serif
}

.ss-bar-btns button:hover {
    background: var(--hover)
}

.ss-bar-btns .ss-end {
    background: rgba(224,99,119,0.08);
    border-color: rgba(224,99,119,0.2);
    color: var(--pink)
}

.ss-expand {
    background: var(--card);
    border: 1.5px solid var(--accent);
    border-radius: 0 0 16px 16px;
    padding: 18px;
    margin: -2px 16px 14px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06)
}

.ss-expand h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px
}

.ss-expand textarea {
    width: 100%;
    min-height: 60px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-family: 'DM Sans',sans-serif;
    font-size: 13px;
    resize: none;
    background: var(--bg2);
    color: var(--ink)
}

.ss-expand .ss-ai-resp {
    background: rgba(124,92,191,0.05);
    border-left: 3px solid var(--accent);
    border-radius: 0 12px 12px 0;
    padding: 12px;
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.6
}

.ss-container {
    max-width: 600px;
    margin: 0 auto
}

.ss-stats-row {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 16px;
    flex-wrap: wrap
}

.ss-stat {
    background: var(--bg2);
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 12px;
    text-align: center
}

.ss-stat strong {
    display: block;
    font-size: 16px;
    font-family: 'JetBrains Mono',monospace
}

/* ═══ EXAM COUNTDOWN ═══ */
.exam-banner {
    background: linear-gradient(135deg,rgba(220,38,38,0.06),rgba(245,158,11,0.06));
    border: 1.5px solid rgba(220,38,38,0.15);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    cursor: pointer;
    transition: all 0.2s
}

.exam-banner:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow)
}

.exam-banner .eb-days {
    font-family: 'Instrument Serif',serif;
    font-size: 48px;
    font-weight: 700;
    line-height: 1
}

.exam-banner .eb-days.urgent {
    color: var(--red)
}

.exam-banner .eb-days.warning {
    color: var(--orange)
}

.exam-banner .eb-days.calm {
    color: var(--teal)
}

.exam-banner .eb-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--ink3);
    text-transform: uppercase;
    letter-spacing: 1px
}

.exam-banner .eb-name {
    font-size: 14px;
    font-weight: 700;
    margin-top: 4px
}

.exam-plan {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 14px
}

.exam-plan h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px
}

.ep-today {
    display: flex;
    flex-direction: column;
    gap: 8px
}

.ep-task {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--bg2);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s
}

.ep-task:hover {
    background: var(--hover);
    transform: translateX(3px)
}

.ep-task .ept-icon {
    font-size: 18px;
    min-width: 24px;
    text-align: center
}

.ep-task .ept-info {
    flex: 1
}

.ep-task .ept-title {
    font-size: 13px;
    font-weight: 600
}

.ep-task .ept-meta {
    font-size: 11px;
    color: var(--ink3)
}

.ep-task .ept-go {
    font-size: 14px;
    color: var(--accent)
}

.ep-weak {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px
}

.ep-weak-tag {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(220,38,38,0.08);
    color: var(--red);
    font-weight: 600
}

/* ═══ CONFIDENCE CALIBRATION ═══ */
.cc-gauge {
    position: relative;
    width: 160px;
    height: 80px;
    margin: 0 auto 10px;
    overflow: hidden
}

.cc-gauge svg {
    width: 100%;
    height: 100%
}

.cc-gauge-label {
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'JetBrains Mono',monospace;
    font-size: 20px;
    font-weight: 700
}

.cc-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700
}

.cc-badge.over {
    background: rgba(220,38,38,0.08);
    color: var(--red)
}

.cc-badge.under {
    background: rgba(59,130,246,0.08);
    color: #3b82f6
}

.cc-badge.calibrated {
    background: rgba(58,125,68,0.08);
    color: var(--green)
}

.cc-topic-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--bg3);
    font-size: 13px
}

.cc-topic-row .cc-bar {
    flex: 1;
    height: 20px;
    background: var(--bg3);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    min-width: 100px
}

.cc-topic-row .cc-bar-fill {
    height: 100%;
    border-radius: 4px;
    position: absolute;
    left: 0;
    top: 0
}

.cc-topic-row .cc-bar-marker {
    position: absolute;
    top: -2px;
    bottom: -2px;
    width: 3px;
    border-radius: 2px;
    background: var(--ink);
    z-index: 2
}

/* ═══ NIGHT-BEFORE / MORNING MODE ═══ */
.nb-mode {
    background: linear-gradient(135deg,#0f0f18,#1a1030);
    border-radius: 18px;
    padding: 28px;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden
}

.nb-mode::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 8%;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%,#ffecd2,#fcb69f);
    opacity: 0.2;
    pointer-events: none
}

.nb-mode h2 {
    font-family: 'Instrument Serif',serif;
    font-size: 24px;
    margin-bottom: 4px
}

.nb-mode p {
    font-size: 13px;
    opacity: 0.7;
    line-height: 1.6
}

.nb-mode .nb-hours {
    font-family: 'JetBrains Mono',monospace;
    font-size: 36px;
    color: #fcb69f;
    font-weight: 700
}

.nb-sleep-prompt {
    background: rgba(124,92,191,0.1);
    border: 1px solid rgba(124,92,191,0.2);
    border-radius: 14px;
    padding: 18px;
    text-align: center;
    margin-top: 16px
}

.nb-sleep-prompt .emoji {
    font-size: 32px;
    margin-bottom: 6px
}

.nb-rapid-card {
    background: var(--card);
    border: 1.5px solid var(--border2);
    border-radius: 14px;
    padding: 20px;
    text-align: center;
    margin-bottom: 14px
}

.nb-rapid-card .nrc-q {
    font-family: 'Instrument Serif',serif;
    font-size: 20px;
    margin: 10px 0
}

.nb-rapid-card .nrc-num {
    font-family: 'JetBrains Mono',monospace;
    font-size: 11px;
    color: var(--ink3);
    letter-spacing: 2px;
    text-transform: uppercase
}

/* ═══ PERSONAL ANCHORS ═══ */
.anchor-card {
    background: linear-gradient(135deg,rgba(124,92,191,0.04),rgba(252,182,159,0.04));
    border: 1px solid rgba(124,92,191,0.15);
    border-radius: 12px;
    padding: 14px 16px;
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.6
}

.anchor-card .ac-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 4px
}

.anchor-loading {
    color: var(--ink3);
    font-size: 12px;
    font-style: italic
}

/* ═══════════════════════════════════════════════════════════════
   MEMORY NOTES - Animated Study Cards with Emotional Hooks
   ═══════════════════════════════════════════════════════════════ */
.mem-studio {
    max-width: none;
    margin: 0;
    padding: 24px 24px 40px
}
@media (max-width: 1100px){
  .mem-studio{ padding:18px 16px 32px; }
}
@media (max-width: 980px){
  .mem-studio{ padding:16px 12px 28px; }
}

.mem-header {
    text-align: left;
    padding: 4px 0 16px;
    position: relative
}

.mem-header h2 {
    font-family: Inter,system-ui,sans-serif;
    font-size: 30px;
    font-weight: 700;
    line-height: 36px;
    letter-spacing: 0;
    margin: 0;
    color: #101828
}

.mem-header p {
    font-family: Inter,system-ui,sans-serif;
    color: #4A5565;
    font-size: 16px;
    line-height: 24px;
    margin: 6px 0 0 0
}

.mem-title-ic{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:10px;
  background: rgba(17,171,151,0.10);
  color:#11AB97;
  margin-right:10px;
  font-size:16px;
  line-height:1;
  vertical-align:middle;
}
html[dir="rtl"] .mem-title-ic{
  margin-right:0;
  margin-left:10px;
}

@keyframes memBrain {
    0%,100% {
        transform: scale(1) rotate(0deg)
    }

    25% {
        transform: scale(1.1) rotate(-3deg)
    }

    50% {
        transform: scale(1) rotate(0deg)
    }

    75% {
        transform: scale(1.1) rotate(3deg)
    }
}

/* Input area */
.mem-input-zone {
    background: var(--card);
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 20px;
    transition: all 0.3s
}

.mem-input-zone.active {
    border-color: #11AB97;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 0 0 3px rgba(17,171,151,0.12)
}

.mem-input-zone textarea {
    width: 100%;
    min-height: 140px;
    padding: 14px 14px;
    border: 1px solid #E5E7EB;
    background: #F9FAFB;
    border-radius: 12px;
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    color: var(--ink)
}

.mem-input-zone textarea::placeholder {
    color: var(--ink3)
}

.mem-input-zone .mem-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 12px;
    color: var(--ink3)
}

.mem-input-zone .mem-hint span {
    font-size: 16px
}

/* Step indicators */
.mem-step {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: Inter,system-ui,sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #101828;
    margin: 18px 0 10px;
    padding-left: 4px
}

.mem-step-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #11AB97;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700
}

/* Quick actions bar (when cards exist) */
.mem-quick-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    justify-content: flex-start
}

.mqa-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid #E5E7EB;
    background: var(--card);
    color: #101828;
    font-family: Inter,system-ui,sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s
}

.mqa-btn:hover {
    border-color: var(--accent);
    transform: translateY(-1px)
}

.mqa-btn span {
    font-size: 15px
}

.mqa-meme {
    background: linear-gradient(135deg,rgba(255,107,107,0.1),rgba(254,202,87,0.1));
    border-color: rgba(255,107,107,0.3)
}

.mqa-meme:hover {
    background: linear-gradient(135deg,rgba(255,107,107,0.2),rgba(254,202,87,0.2));
    border-color: rgba(255,107,107,0.5)
}

/* Collapsible input section */
.mem-input-collapsed {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.3s ease
}

.mem-input-expanded {
    max-height: 400px;
    opacity: 1;
    margin-bottom: 20px
}

/* Tip banner */
.mem-tip-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: linear-gradient(135deg,rgba(255,107,107,0.08),rgba(254,202,87,0.06));
    border-radius: 12px;
    font-size: 12px;
    color: var(--ink2);
    margin-top: 20px
}

.mem-tip-banner span {
    font-size: 16px
}

/* Preview banner (before cards exist) */
.mem-preview-banner {
    background: var(--bg2);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    margin-top: 10px
}

.mpb-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--ink2);
    margin-bottom: 12px
}

.mpb-items {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center
}

.mpb-items span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--ink3)
}

/* Animation style selector */
.mem-style-row {
    display: flex;
    gap: 8px;
    margin: 16px 0;
    flex-wrap: wrap;
    justify-content: center
}

.mem-style-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    background: var(--card);
    cursor: pointer;
    transition: all 0.25s;
    min-width: 85px
}

.mem-style-btn:hover {
    border-color: var(--accent);
    transform: translateY(-2px)
}

.mem-style-btn.active {
    border-color: #11AB97;
    background: rgba(17,171,151,0.06);
    box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 0 0 3px rgba(17,171,151,0.12)
}

.mem-style-btn .mss-icon {
    font-size: 24px
}

.mem-style-btn .mss-name {
    font-size: 10px;
    font-weight: 700;
    color: #101828;
    text-transform: uppercase;
    letter-spacing: 0.5px
}

/* Generated memory cards grid */
.mem-cards-grid {
    display: flex;
    flex-direction: column;
    gap: 16px
}

/* Individual memory card */
.mem-card {
    background: var(--card);
    border: 1px solid #E5E7EB;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.04);
    position: relative
}

.mem-card.generating {
    opacity: 0.7
}

.mem-card-header {
    padding: 16px;
    background: #FFFFFF;
    border-bottom: 1px solid #E5E7EB;
    display: flex;
    align-items: center;
    gap: 12px
}

.mem-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(17,171,151,0.10);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #11AB97;
    flex-shrink: 0;
    animation: none
}

@keyframes memIconPop {
    0% {
        transform: scale(0) rotate(-180deg);
        opacity: 0
    }

    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1
    }
}

.mem-card-title {
    font-family: Inter,system-ui,sans-serif;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    color: #101828
}

.mem-card-tag {
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(17,171,151,0.10);
    color: #11AB97;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-left: auto
}

/* Memory card body with animations */
.mem-card-body {
    padding: 20px
}

/* Animated fact items */
.mem-fact {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    margin-bottom: 10px;
    background: #F9FAFB;
    border-radius: 14px;
    border-left: 4px solid #11AB97;
    opacity: 0;
    transform: translateX(-30px);
    animation: memFactSlide 0.5s ease forwards
}

.mem-fact:nth-child(1) {
    animation-delay: 0.1s
}

.mem-fact:nth-child(2) {
    animation-delay: 0.25s
}

.mem-fact:nth-child(3) {
    animation-delay: 0.4s
}

.mem-fact:nth-child(4) {
    animation-delay: 0.55s
}

.mem-fact:nth-child(5) {
    animation-delay: 0.7s
}

@keyframes memFactSlide {
    to {
        opacity: 1;
        transform: translateX(0)
    }
}

.mem-fact-emoji {
    font-size: 28px;
    flex-shrink: 0;
    animation: memEmojiBounce 0.6s ease-out forwards;
    animation-delay: inherit
}

@keyframes memEmojiBounce {
    0% {
        transform: scale(0)
    }

    50% {
        transform: scale(1.3)
    }

    100% {
        transform: scale(1)
    }
}

.mem-fact-content {
    flex: 1
}

.mem-fact-key {
    font-size: 11px;
    font-weight: 800;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px
}

.mem-fact-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--ink)
}

/* Emotional hook highlight */
.mem-hook {
    background: linear-gradient(135deg,#fef3c7,#fef9e7);
    border: 2px solid #f59e0b;
    border-radius: 14px;
    padding: 16px;
    margin: 14px 0;
    position: relative;
    overflow: hidden
}

.mem-hook::before {
    content: '🧠';
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 40px;
    opacity: 0.15
}

.mem-hook-label {
    font-size: 10px;
    font-weight: 800;
    color: #b45309;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 4px
}

.mem-hook-text {
    font-size: 15px;
    font-weight: 600;
    color: #92400e;
    line-height: 1.5
}

/* Personal world connection */
.mem-world {
    background: linear-gradient(135deg,rgba(124,92,191,0.08),rgba(252,182,159,0.08));
    border: 1px solid rgba(124,92,191,0.2);
    border-radius: 14px;
    padding: 14px 16px;
    margin-top: 14px;
    font-size: 13px;
    line-height: 1.6
}

.mem-world-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 5px
}

/* Video generation button */
.mem-video-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    margin-top: 16px;
    background: linear-gradient(135deg,#1a1a2e,#2d1f4e);
    border: 2px solid transparent;
    border-radius: 14px;
    color: #fff;
    font-family: 'DM Sans',sans-serif;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden
}

.mem-video-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,transparent,rgba(255,255,255,0.1),transparent);
    transform: translateX(-100%);
    transition: transform 0.6s
}

.mem-video-btn:hover::before {
    transform: translateX(100%)
}

.mem-video-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(124,92,191,0.35);
    border-color: var(--accent)
}

.mem-video-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed
}

.mem-video-btn .mvb-icon {
    font-size: 20px
}

.mem-video-btn .mvb-kling {
    font-size: 10px;
    opacity: 0.7;
    margin-left: 4px
}

/* Hero Movie Button */
.mem-movie-hero {
    background: linear-gradient(135deg,#1a1030,#2d1f4e,#1a1030);
    border-radius: 24px;
    padding: 28px;
    margin-bottom: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(124,92,191,0.3);
    box-shadow: 0 8px 40px rgba(124,92,191,0.2)
}

.mem-movie-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L30 60M0 30L60 30' stroke='rgba(124,92,191,0.1)' stroke-width='1'/%3E%3C/svg%3E");
    opacity: 0.5
}

.mem-movie-hero::after {
    content: '✨';
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    animation: memSparkle 2s ease-in-out infinite
}

@keyframes memSparkle {
    0%,100% {
        opacity: 0.3;
        transform: scale(1) rotate(0deg)
    }

    50% {
        opacity: 1;
        transform: scale(1.2) rotate(15deg)
    }
}

.mem-movie-icon {
    font-size: 56px;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
    animation: memMovieFloat 3s ease-in-out infinite
}

@keyframes memMovieFloat {
    0%,100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-8px)
    }
}

.mem-movie-title {
    font-family: 'Instrument Serif',serif;
    font-size: 26px;
    color: #fff;
    margin-bottom: 6px;
    position: relative;
    z-index: 1
}

.mem-movie-sub {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 18px;
    position: relative;
    z-index: 1
}

.mem-movie-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    background: linear-gradient(135deg,#7c5cbf,#e06377,#fcb69f);
    background-size: 200% 200%;
    animation: memGradFlow 4s ease infinite;
    border: none;
    border-radius: 16px;
    color: #fff;
    font-family: 'DM Sans',sans-serif;
    font-size: 17px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 20px rgba(224,99,119,0.4)
}

@keyframes memGradFlow {
    0% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }

    100% {
        background-position: 0% 50%
    }
}

@keyframes memeGradient {
    0% {
        background-position: 0% 50%
    }

    50% {
        background-position: 100% 50%
    }

    100% {
        background-position: 0% 50%
    }
}

.mem-meme-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(255,107,107,0.3)
}

.mem-tab-badge {
    position: absolute;
    top: -8px;
    right: -20px;
    background: linear-gradient(135deg,#ff6b6b,#feca57);
    color: #1a1a1a;
    font-size: 8px;
    font-weight: 800;
    padding: 2px 5px;
    border-radius: 6px;
    animation: memBadgePulse 2s ease-in-out infinite
}

@keyframes memBadgePulse {
    0%,100% {
        transform: scale(1)
    }

    50% {
        transform: scale(1.1)
    }
}

.mem-movie-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 30px rgba(224,99,119,0.5)
}

.mem-movie-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none
}

.mem-movie-powered {
    font-size: 11px;
    color: rgba(255,255,255,0.5);
    margin-top: 12px;
    position: relative;
    z-index: 1
}

/* Video status/preview */
.mem-video-status {
    background: var(--bg2);
    border-radius: 14px;
    padding: 20px;
    margin-top: 14px;
    text-align: center
}

.mem-video-status.generating {
    animation: memVideoPulse 2s ease-in-out infinite
}

@keyframes memVideoPulse {
    0%,100% {
        box-shadow: 0 0 0 0 rgba(124,92,191,0.2)
    }

    50% {
        box-shadow: 0 0 0 15px rgba(124,92,191,0)
    }
}

.mem-video-preview {
    border-radius: 12px;
    overflow: hidden;
    margin-top: 12px;
    box-shadow: var(--shadow2)
}

.mem-video-preview video {
    width: 100%;
    display: block
}

/* Cinematic reveal animation style */
.mem-card.style-cinematic .mem-fact {
    transform: translateY(40px) scale(0.9);
    opacity: 0;
    animation: memCinematic 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards
}

@keyframes memCinematic {
    to {
        transform: translateY(0) scale(1);
        opacity: 1
    }
}

/* Puzzle assembly animation style */
.mem-card.style-puzzle .mem-fact {
    transform: rotate(-5deg) scale(0.8);
    opacity: 0;
    animation: memPuzzle 0.6s ease forwards
}

@keyframes memPuzzle {
    50% {
        transform: rotate(3deg) scale(1.05)
    }

    100% {
        transform: rotate(0deg) scale(1);
        opacity: 1
    }
}

/* Story arc animation style */
.mem-card.style-story .mem-fact {
    clip-path: inset(0 100% 0 0);
    animation: memStory 0.7s ease forwards
}

@keyframes memStory {
    to {
        clip-path: inset(0 0 0 0)
    }
}

/* Flash animation style */
.mem-card.style-flash .mem-fact {
    animation: memFlash 0.4s ease forwards
}

@keyframes memFlash {
    0% {
        background: rgba(124,92,191,0.3);
        transform: scale(1.02)
    }

    100% {
        background: var(--bg2);
        transform: scale(1);
        opacity: 1
    }
}

/* Memory cards library */
.mem-library {
    margin-top: 24px
}

.mem-library h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px
}

.mem-lib-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill,minmax(160px,1fr));
    gap: 12px
}

.mem-lib-card {
    background: var(--card);
    border: 1px solid var(--border2);
    border-radius: 14px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center
}

.mem-lib-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow2);
    border-color: var(--accent)
}

.mem-lib-card .mlc-emoji {
    font-size: 32px;
    margin-bottom: 6px
}

.mem-lib-card h4 {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis
}

.mem-lib-card .mlc-meta {
    font-size: 11px;
    color: var(--ink3)
}

.mem-lib-card .mlc-video {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    font-size: 10px;
    color: var(--accent);
    font-weight: 700
}

/* Kling video generation modal */
.kling-modal {
    position: fixed;
    inset: 0;
    z-index: 600;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    animation: fadeIn 0.3s forwards
}

.kling-modal-box {
    background: var(--card);
    border-radius: 24px;
    max-width: 500px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3)
}

.kling-modal-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--border2);
    display: flex;
    align-items: center;
    gap: 12px
}

.kling-modal-header h3 {
    font-family: 'Instrument Serif',serif;
    font-size: 22px;
    flex: 1
}

.kling-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: none;
    background: var(--bg2);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s
}

.kling-modal-close:hover {
    background: var(--hover);
    color: var(--pink)
}

.kling-modal-body {
    padding: 24px
}

.kling-prompt-preview {
    background: var(--bg2);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 16px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--ink2);
    max-height: 120px;
    overflow-y: auto
}

.kling-settings {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px
}

.kling-setting {
    display: flex;
    align-items: center;
    gap: 12px
}

.kling-setting label {
    font-size: 13px;
    font-weight: 600;
    min-width: 80px
}

.kling-setting select {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg2);
    font-size: 13px;
    color: var(--ink)
}

.kling-generate-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg,#7c5cbf,#e06377);
    border: none;
    border-radius: 14px;
    color: #fff;
    font-family: 'DM Sans',sans-serif;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px
}

.kling-generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(124,92,191,0.4)
}

.kling-generate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none
}

.kling-credits {
    text-align: center;
    font-size: 11px;
    color: var(--ink3);
    margin-top: 12px
}

/* ═══ CLEAN MODE — Minimal, professional, competition-ready ═══ */
body.clean-mode .persona-bar {
    display: none
}

body.clean-mode .overwhelm-bar {
    display: none
}

body.clean-mode .concept-hero {
    background: var(--card);
    border: 1px solid var(--border2)
}

body.clean-mode .concept-hero h2 {
    color: var(--ink)
}

body.clean-mode .concept-hero .ch-progress {
    color: var(--accent)
}

body.clean-mode .concept-hero .ch-formula {
    background: var(--bg2);
    color: var(--ink);
    border: 1px solid var(--border)
}

body.clean-mode .concept-hero .ch-plain {
    color: var(--ink2)
}

body.clean-mode .concept-row {
    gap: 12px
}

body.clean-mode .concept-ex {
    background: var(--card);
    border: 1px solid var(--border2);
    border-left: 3px solid var(--accent)
}

body.clean-mode .concept-ex .cx-label {
    background: transparent;
    color: var(--ink2);
    font-size: 10px
}

body.clean-mode .concept-ex .cx-label.pink,.concept-ex .cx-label.gold {
    background: transparent
}

body.clean-mode .vis-diagram {
    border-radius: 12px;
    overflow: hidden
}

body.clean-mode .vis-diagram>div {
    filter: saturate(0.6) brightness(1.05)
}

body.clean-mode .teach-btn {
    background: var(--accent);
    color: #fff
}

body.clean-mode .btn-primary {
    background: var(--accent)
}

body.clean-mode .creative-tools-bar {
    background: var(--bg2);
    border-color: var(--border)
}

body.clean-mode .ctb-label {
    color: var(--ink3)
}

body.clean-mode .life-example {
    background: var(--card);
    border-color: var(--border2)
}

body.clean-mode .dad-card {
    border-color: var(--border2)
}

body.clean-mode .dad-card-inner {
    background: var(--card)
}

body.clean-mode .syl-sidebar-body {
    background: var(--bg1)
}

body.clean-mode .emox-encourage {
    background: var(--card);
    border: 1px solid var(--border2)
}

body.clean-mode .emox-encourage.gentle {
    border-left: 3px solid var(--accent)
}

body.clean-mode .emox-encourage.challenge {
    border-left: 3px solid var(--green)
}

/* ═══ DARK MODE — contrast & surfaces (supplement to tokens above) ═══ */
[data-theme="dark"] .persona-chip.active {
    background: rgba(124,92,191,0.22)
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border2)
}

[data-theme="dark"] .chat-panel {
    box-shadow: -8px 0 40px rgba(0,0,0,0.45)
}

[data-theme="dark"] .tb-btn,[data-theme="dark"] .btn-secondary {
    color: var(--ink2)
}

[data-theme="dark"] .enrich-help-btn.accent {
    background: rgba(124,92,191,0.14);
    border-color: rgba(124,92,191,0.35)
}

[data-theme="dark"] .diag-opt:hover {
    background: rgba(124,92,191,0.12)
}

[data-theme="dark"] .test-options-menu button:hover {
    background: rgba(124,92,191,0.12)
}

/* ═══ RTL (Arabic) support ═══ */
[dir="rtl"],.is-rtl {
    direction: rtl;
    text-align: right
}

[dir="rtl"] .topbar,[dir="rtl"] .tab-bar,[dir="rtl"] .course-bar-scroll,[dir="rtl"] .learn-layout,[dir="rtl"] .concept-nav,[dir="rtl"] .chat-input-bar,[dir="rtl"] .mw-footer,[dir="rtl"] .settings-panel>div:first-child,[dir="rtl"] .continue-other,[dir="rtl"] .app-launcher-grid {
    flex-direction: row-reverse
}

@media(min-width: 601px) {
    [dir="rtl"] .precourse-header {
        flex-direction:row-reverse
    }
}

[dir="rtl"] .tab-bar .tab {
    border-top: 3px solid transparent
}

[dir="rtl"] .tab.active {
    border-top-color: var(--accent)
}

[dir="rtl"] .continue-course .cc-arrow {
    transform: scaleX(-1)
}

[dir="rtl"] .syl-topic {
    border-left: none;
    border-right: 2px solid var(--border2)
}

[dir="rtl"] .syl-topic-hdr,[dir="rtl"] .concept-hero .ch-formula,[dir="rtl"] .fc-quote {
    border-left: none;
    border-right: 3px solid
}

[dir="rtl"] .fc-quote {
    border-right-color: #7c5cbf
}

[dir="rtl"] .back-btn::before {
    content: '→ '
}

[dir="rtl"] .back-btn {
    text-align: right
}

[dir="rtl"] .landing-content {
    text-align: center
}

[dir="rtl"] .lnd-enter-wrap {
    direction: ltr
}

[dir="rtl"] .chat-panel {
    left: 0;
    right: auto;
    transform: translateX(-100%);
    border-left: none;
    border-right: 1px solid var(--border2);
    box-shadow: 8px 0 40px rgba(0,0,0,0.1)
}

[dir="rtl"] .chat-panel.open {
    transform: translateX(0)
}

[dir="rtl"] body.chat-active {
    margin-right: 0;
    margin-left: 480px
}

[dir="rtl"] .chat-fab {
    left: 16px;
    right: auto
}

[dir="rtl"] .create-fab-wrap {
    left: auto;
    right: 20px
}

[dir="rtl"] .theme-mascot {
    left: 16px;
    right: auto
}

[dir="rtl"] .mascot-speech {
    right: auto;
    left: 0
}

[dir="rtl"] .tb-spacer {
    margin-right: auto;
    margin-left: 0
}

[dir="rtl"] .learn-sidebar {
    border-right: none;
    border-left: 1px solid var(--border2)
}

[dir="rtl"] .syl-toggle {
    left: 0;
    right: auto
}

[dir="rtl"] .course-tab-add,.course-tab-lib {
    order: -1
}

[dir="rtl"] input,[dir="rtl"] textarea,[dir="rtl"] select {
    text-align: right
}

[dir="rtl"] .mw-chip,[dir="rtl"] .age-choice-btn,[dir="rtl"] .comp-tab {
    direction: rtl
}

[dir="rtl"] .lang-select-wrap {
    margin-left: 0;
    margin-right: 8px
}

/* Crafting progress screen (fixed layout) */
body.sh-flow-mode .sh-flow.sh-crafting-progress-screen {
    position: relative;
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-crafting-wrap {
    position: absolute;
    top: 113px;
    left: 50%;
    transform: translateX(-50%);
    width: 1152px;
    height: 854px;
    max-width: none;
    margin: 0;
    padding: 0;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-crafting-grid {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    height: 854px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-crafting-main {
    width: 757.328125px;
    height: 854px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    text-align: center;
    min-height: 0;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-craft-head {
    width: 757.328125px;
    height: 208px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-craft-icon {
    width: 40px;
    height: 40px;
    margin: 0;
    border-radius: 0;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
    color: var(--accent);
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-craft-title {
    font-family: Inter, system-ui, sans-serif;
    font-weight: 700;
    font-style: Bold;
    font-size: 30px;
    line-height: 36px;
    margin-top: 8px;
    color: var(--ink);
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-craft-sub {
    width: 757.328125px;
    font-family: Inter, system-ui, sans-serif;
    font-weight: 400;
    font-style: Regular;
    font-size: 18px;
    line-height: 28px;
    margin: 0;
    color: var(--ink);
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-craft-eta {
    font-family: Inter, system-ui, sans-serif;
    font-weight: 400;
    font-style: Regular;
    font-size: 14px;
    line-height: 20px;
    margin: 8px 0 0;
    color: var(--ink2);
    text-align: center;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-progress-card {
    width: 757.328125px;
    height: 90px;
    padding-top: 25px;
    padding-right: 25px;
    padding-bottom: 1px;
    padding-left: 25px;
    border-radius: 14px;
    border: 1px solid #E5E7EB;
    background: #fff;
    margin: 0;
    max-width: none;
    text-align: left;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-progress-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-progress-head > span {
    font-family: Inter, system-ui, sans-serif;
    font-weight: 500;
    font-style: Medium;
    font-size: 14px;
    line-height: 20px;
    color: var(--ink3);
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-progress-track {
    width: 707.328125px;
    height: 12px;
    padding: 0;
    background: #F3F4F6;
    border-radius: 9999px;
    margin-top: 8px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-progress-fill {
    height: 12px;
    border-radius: 9999px;
    background: #15B79E;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-steps-card {
    width: 757.328125px;
    height: 437px;
    padding-top: 25px;
    padding-right: 25px;
    padding-bottom: 1px;
    padding-left: 25px;
    border-radius: 14px;
    border: 1px solid #E5E7EB;
    background: #fff;
    margin: 0;
    max-width: none;
    text-align: left;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow-y: auto;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-steps-card h2 {
    font-family: Inter, system-ui, sans-serif;
    font-weight: 600;
    font-style: Semi Bold;
    font-size: 18px;
    line-height: 28px;
    color: var(--ink);
    margin: 0 0 24px 0;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen #shStepRows {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-step-row {
    border-bottom: none;
    padding: 0;
    gap: 12px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-step-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: #F3F4F6;
    padding: 0 10px;
    box-sizing: border-box;
    opacity: 1;
    font-size: 18px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-step-row.active .sh-step-icon,
body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-step-row.done .sh-step-icon {
    background: #15B79E1A;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-step-title {
    font-family: Inter, system-ui, sans-serif;
    font-weight: 700;
    font-style: Bold;
    font-size: 14px;
    line-height: 20px;
    color: #111827;
    margin-top: 4px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-step-desc {
    font-family: Inter, system-ui, sans-serif;
    font-weight: 400;
    font-style: Regular;
    font-size: 14px;
    line-height: 20px;
    color: var(--ink3);
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-crafting-aside {
    width: 362.65625px;
    height: 854px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    min-height: 0;
    overflow-y: auto;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-card-jasmin {
    width: 362.65625px;
    border-radius: 14px;
    padding: 25px;
    border-top: 1px solid #E9D4FF;
    border-left: 1px solid #E9D4FF;
    border-right: 1px solid #E9D4FF;
    border-bottom: 1px solid #E9D4FF;
    background: linear-gradient(135deg, #FAF5FF 0%, #FDF2F8 100%);
    box-shadow: 0px 1px 2px -1px #0000001A;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-card-jasmin p {
    margin: 12px 0 0;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-jasmin-top {
    display: flex;
    align-items: center;
    gap: 10px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-jasmin-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: #15B79E1A;
    font-size: 18px;
    line-height: 1;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-card-jasmin h3,
body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-card-wait h3,
body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-card-get h3 {
    font-family: Inter, system-ui, sans-serif;
    font-weight: 700;
    font-style: Bold;
    font-size: 18px;
    line-height: 28px;
    margin: 0;
    color: var(--ink);
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-jasmin-sub {
    margin-top: 12px;
    font-family: Inter, system-ui, sans-serif;
    font-weight: 700;
    font-style: Bold;
    font-size: 12px;
    line-height: 20px;
    color: var(--ink2);
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-card-wait {
    width: 362.65625px;
    border-radius: 14px;
    padding: 25px;
    border-top: 1px solid #E5E7EB;
    border-left: 1px solid #E5E7EB;
    border-right: 1px solid #E5E7EB;
    border-bottom: 1px solid #E5E7EB;
    background: #fff;
    box-shadow: 0px 1px 2px -1px #0000001A;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-card-wait ul {
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-card-wait li {
    display: flex;
    gap: 12px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-wait-bullet {
    width: 12px;
    color: #99A1AF;
    font-size: 18px;
    line-height: 20px;
    margin-top: 2px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-wait-bullet.teal {
    color: #15B79E;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-wait-desc {
    font-family: Inter, system-ui, sans-serif;
    font-weight: 400;
    font-style: Regular;
    font-size: 14px;
    line-height: 20px;
    color: var(--ink3);
    margin-top: 4px;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-card-get {
    width: 362.65625px;
    border-radius: 14px;
    padding: 25px;
    border-top: 1px solid #E5E7EB;
    border-left: 1px solid #E5E7EB;
    border-right: 1px solid #E5E7EB;
    border-bottom: 1px solid #E5E7EB;
    background: #fff;
    box-shadow: 0px 1px 2px -1px #0000001A;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-get-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    font-family: Inter, system-ui, sans-serif;
    font-size: 14px;
    line-height: 20px;
    color: var(--ink);
    font-weight: 400;
}

body.sh-flow-mode .sh-flow.sh-crafting-progress-screen .sh-get-check {
    color: #15B79E;
    font-weight: 700;
}

/* ═══════════════════════════════════════════════════════════════
   HOME / DASHBOARD (screenshot layout)
   ═══════════════════════════════════════════════════════════════ */
.has-side-nav #mainContent{ padding-left:0; }
.has-side-nav .main{ padding-left:0; }

.side-nav{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:256px;
  opacity:1;
  background:var(--card);
  border-right-width:1px;
  border-right-style:solid;
  border-right-color:var(--border2);
  z-index:120;
  padding:12px 16px;
  display:flex;
  flex-direction:column;
  gap:10px;
  box-sizing:border-box;
}
.side-nav.collapsed{
  width:80px;
  opacity:1;
  border-right-width:1px;
  border-right-style:solid;
  border-right-color:var(--border2);
}
.side-nav .side-nav-top{ display:flex; align-items:center; justify-content:space-between; gap:8px; padding:4px 0 8px; }
.side-brand{ display:flex; align-items:center; gap:8px; white-space:nowrap; overflow:hidden; cursor:pointer; }
.side-logo-full{ height:auto; width:131px; max-width:100%; display:block; }
.side-logo-mark{ display:none; width:28px; height:22px; flex-shrink:0; }
.side-nav.collapsed .side-logo-full{ display:none; }
.side-nav.collapsed .side-logo-mark{ display:block; }
.side-collapse{
  border:1px solid var(--border2);
  background:var(--bg2);
  color:var(--ink2);
  border-radius:10px;
  padding:8px;
  cursor:pointer;
  box-sizing:border-box;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  line-height:0;
}
.side-collapse svg{ display:block; flex-shrink:0; }
.side-items{ display:flex; flex-direction:column; gap:6px; padding:4px 0; align-items:stretch; }
.side-bottom{ margin-top:auto; padding:4px 0; display:flex; flex-direction:column; align-items:stretch; }
.side-item{
  box-sizing:border-box;
  width:223px;
  height:40px;
  display:flex;
  align-items:center;
  gap:10px;
  border:none;
  background:transparent;
  padding:0 12px;
  border-radius:10px;
  opacity:1;
  cursor:pointer;
  color:#364153;
  font-family: Inter, system-ui, sans-serif;
  font-weight:500;
  font-size:14px;
  line-height:20px;
}
.side-item .ic{ width:24px; height:24px; display:inline-flex; align-items:center; justify-content:center; }
.side-item .ic svg{ width:20px; height:20px; }
.side-item .ic svg path{ stroke:#364153; }
.side-item.active .ic svg path{ stroke:#15B79E; }
.side-item:hover{ background:var(--hover); }
.side-item .tx{ text-align:center; color:#364153; }
.side-item.active{ background:#EEF2FF; color:#111827; }
.side-item.active .tx{ color:#111827; }
.side-item.side-disabled{ opacity:.45; cursor:not-allowed; }
.side-item.side-disabled:hover{ background:transparent; }
.side-nav.collapsed .side-nav-top{
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  gap:0;
  padding:8px 0 12px;
}
.side-nav.collapsed .side-brand{ justify-content:center; width:100%; overflow:visible; cursor:pointer; }
.side-nav.collapsed .side-collapse{ display:none; }
.side-nav.collapsed .tx{ display:none; }
.side-nav.collapsed .side-items,
.side-nav.collapsed .side-bottom{ align-items:center; padding-left:0; padding-right:0; }
.side-nav.collapsed .side-item{
  width:48px;
  min-width:48px;
  height:40px;
  padding:0 13.5px;
  border-radius:10px;
  opacity:1;
  display:flex;
  align-items:center;
  justify-content:center;
  grid-template-columns:unset;
  gap:0;
}
.side-nav.collapsed .side-item .ic{ width:20px; height:20px; }
.side-nav.collapsed .side-item.side-disabled{ opacity:.45; }

@media (min-width: 980px){
  body.has-side-nav{ padding-left:256px; }
  body.has-side-nav.side-nav-collapsed{ padding-left:80px; }
  .tab-bar{ display:none !important; }
}

/* Mobile: reserve space for fixed bottom tab bar so content is not hidden */
@media (max-width: 979px) {
  body.has-bottom-tabs #mainContent.main {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
  }

  body.has-bottom-tabs .chat-fab {
    bottom: calc(125px + 12px + env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 380px) {
  body.has-bottom-tabs #mainContent.main {
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px));
  }

  body.has-bottom-tabs .chat-fab {
    bottom: calc(64px + 12px + env(safe-area-inset-bottom, 0px));
  }
}

/* Many tabs: allow horizontal scroll on very narrow screens */
@media (max-width: 420px) {
  .tab-bar {
    justify-content: space-between;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0;
    padding-left: 4px;
    padding-right: 4px;
  }

  .tab-bar::-webkit-scrollbar {
    display: none;
    height: 0;
    width: 0;
  }

  .tab {
    flex: 0 0 auto;
    min-width: 52px;
    max-width: 72px;
    padding: 6px 4px;
  }

  .tab-label {
    font-size: 9px;
    letter-spacing: 0;
  }
}

/* RTL: flip fixed side-nav to the right and reserve space on the right */
[dir="rtl"] .has-side-nav #mainContent{ padding-left:0; padding-right:0; }
[dir="rtl"] .has-side-nav .main{ padding-left:0; padding-right:0; }
[dir="rtl"] .side-nav{
  left:auto;
  right:0;
  border-right:none;
  border-left-width:1px;
  border-left-style:solid;
  border-left-color:var(--border2);
}
[dir="rtl"] .side-nav .side-nav-top{
  flex-direction:row-reverse;
}
[dir="rtl"] .side-nav.collapsed{
  border-left-width:1px;
}
[dir="rtl"] body.has-side-nav{ padding-left:0; padding-right:256px; }
[dir="rtl"] body.has-side-nav.side-nav-collapsed{ padding-left:0; padding-right:80px; }

@media (max-width: 979px){
  .side-nav{ display:none !important; }
}

.sh-home{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(320px, 32%);
  gap:24px;
  padding:24px 24px 40px;
  max-width:none;
  margin:0;
}
@media (max-width: 1100px){
  .sh-home{ grid-template-columns:minmax(0,1fr) minmax(280px, 34%); padding:18px 16px 32px; }
}
@media (max-width: 980px){
  .sh-home{ grid-template-columns:1fr; padding:16px 12px 28px; }
}

/* Notes + misc screens — same insets as Home (main uses padding-left:0; padding lives on wrappers) */
.sh-notes-wrap,
.sh-page-wrap{
  max-width:none;
  margin:0;
  padding:24px 24px 40px;
  box-sizing:border-box;
}
@media (max-width:1100px){
  .sh-notes-wrap,
  .sh-page-wrap{ padding:18px 16px 32px; }
}
@media (max-width:980px){
  .sh-notes-wrap,
  .sh-page-wrap{ padding:16px 12px 28px; }
}

.sh-home-main{ min-width:0; }
.sh-home-rail{ display:flex; flex-direction:column; gap:14px; }

.shh-title{ grid-column:1 / -1; }
.shh-stats{ grid-column:1 / -1; }

.shh-title{ margin:4px 0 12px; }
.shh-h1{ font-family:Inter,system-ui,sans-serif; font-size:30px; font-weight:700; line-height:36px; letter-spacing:0; color:#101828; }
.shh-sub{ font-family:Inter,system-ui,sans-serif; font-size:16px; font-weight:400; line-height:24px; letter-spacing:0; color:#4A5565; margin-top:6px; }

.shh-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin:16px 0 24px;
  height:84px;
}

.shh-stat{
  background:var(--card);
  border:1px solid #E5E7EB;
  border-radius:14px;
  padding:17px 17px 1px 17px;
  height:84px;
  box-shadow:0 1px 2px rgba(0,0,0,0.04);
}
.shh-stat-top{ display:flex; align-items:center; gap:10px; }
.shh-stat-top .ic{ font-size:16px; }
.shh-stat-num{ font-size:18px; font-weight:800; color:var(--ink); }
.shh-stat-lab{ font-size:11px; color:var(--ink3); margin-top:2px; }

.shh-progress-card{
  background:#11AB97;
  border:1px solid #E5E7EB;
  border-radius:14px 14px 0 0;
  padding:16px;
  box-shadow:0 1px 2px rgba(0,0,0,0.04);
}
.shh-course-pill{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  background:#FFFFFF;
  border:1px solid #E5E7EB;
  border-radius:10px;
  padding:0 12px;
  height:62px;
  color:#101828;
}
.shh-pill-left{ display:flex; flex-direction:column; gap:2px; min-width:0; }
.shh-pill-title{
  font-family:Inter,system-ui,sans-serif;
  font-weight:500;
  font-size:14px;
  line-height:20px;
  color:#101828;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.shh-pill-sub{
  font-family:Inter,system-ui,sans-serif;
  font-weight:500;
  font-size:12px;
  line-height:16px;
  color:#6A7282;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.shh-course-pill .muted{ color:var(--ink3); font-weight:600; margin-left:6px; }
.shh-caret{ color:var(--ink3); }
.shh-prog-teal{
  margin-top:12px;
  border-radius:14px;
  background:linear-gradient(180deg, #19B7A0 0%, #0FA08C 100%);
  padding:16px 16px 0;
  color:#fff;
  overflow:hidden;
}
.shh-prog-top{ display:flex; justify-content:space-between; gap:14px; align-items:flex-start; padding-bottom:4px; }
.shh-prog-label{ font-family:Inter,system-ui,sans-serif; font-weight:500; font-size:12px; line-height:16px; opacity:.9; }
.shh-prog-title{ font-family:Inter,system-ui,sans-serif; font-weight:700; font-size:22px; line-height:28px; margin-top:4px; }
.shh-prog-sub{ font-family:Inter,system-ui,sans-serif; font-weight:500; font-size:12px; line-height:16px; opacity:.9; margin-top:4px; }
.shh-prog-pct{ text-align:right; min-width:70px; }
.shh-prog-pct .num{ font-family:Inter,system-ui,sans-serif; font-weight:800; font-size:30px; line-height:36px; }
.shh-prog-pct .lab{ font-family:Inter,system-ui,sans-serif; font-weight:500; font-size:12px; line-height:16px; opacity:.9; }

/* Daily goal + exam countdown — footer strip (matches design: teal bar, white type, clock + “n of m today • days until exam”) */
.shh-prog-daily{
  margin:14px -16px 0;
  padding:12px 16px;
  background:#0d9488;
  display:flex;
  align-items:center;
  gap:10px;
  font-family:Inter,system-ui,sans-serif;
  font-weight:500;
  font-size:13px;
  line-height:20px;
  color:#fff;
}
.shh-prog-daily-ic{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  opacity:.96;
}
.shh-prog-clock{ display:block; }
.shh-prog-daily-txt{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:4px 8px;
  min-width:0;
}
.shh-prog-daily-goals{ white-space:nowrap; }
.shh-prog-daily-sep{
  opacity:.88;
  font-weight:500;
  padding:0 2px;
}
.shh-prog-daily-exam{ white-space:nowrap; }

.shh-next-card{
  margin-top:0;
  background:#FFFFFF;
  border-top:1px solid #E5E7EB;
  border-radius:0 0 14px 14px;
  padding:16px 16px 1px 16px;
}
.shh-next-lab{ font-size:11px; font-weight:900; letter-spacing:.08em; color:rgba(0,0,0,0.55); }
.shh-next-name{ font-size:14px; font-weight:800; color:var(--ink); margin-top:2px; }
.shh-next-sub{ font-size:12px; color:var(--ink3); margin-top:2px; }
.shh-start{
  margin-top:16px;
  width:100%;
  border:none;
  border-radius:10px;
  padding:14px 16px;
  font-weight:700;
  background:#15B79E;
  color:#fff;
  cursor:pointer;
  box-shadow:0 6px 14px rgba(21,183,158,0.25);
}
.shh-start:hover{ filter:brightness(0.98); }

.shh-card{
  background:#FFFFFF;
  border:1px solid #E5E7EB;
  border-radius:14px;
  padding:25px;
  margin-top:24px;
}
.shh-card-title{
  font-family:Inter,system-ui,sans-serif;
  font-weight:600;
  font-size:18px;
  line-height:27px;
  color:#101828;
  margin-bottom:16px;
}

.shh-actions{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
@media (max-width: 700px){
  .shh-actions{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
.shh-act{
  border-radius:14px;
  border:1px solid #E5E7EB;
  background:#FFFFFF;
  padding:17px;
  cursor:pointer;
  box-shadow:0 1px 2px rgba(0,0,0,0.04);
}
.shh-act .t{ font-family:Inter,system-ui,sans-serif; font-weight:500; color:#101828; font-size:16px; line-height:24px; }
.shh-act .s{ color:#4A5565; font-size:12px; margin-top:4px; }
.shh-a-quiz{ background:linear-gradient(135deg, rgba(245,158,11,0.10), rgba(245,158,11,0.05)); }
.shh-a-time{ background:linear-gradient(135deg, rgba(59,130,246,0.10), rgba(59,130,246,0.05)); }
.shh-a-practice{ background:linear-gradient(135deg, rgba(34,197,94,0.10), rgba(34,197,94,0.05)); }
.shh-a-mock{ background:linear-gradient(135deg, rgba(167,139,250,0.12), rgba(167,139,250,0.06)); }
.shh-a-notes{ background:linear-gradient(135deg, rgba(148,163,184,0.12), rgba(148,163,184,0.06)); }
.shh-a-new{ background:linear-gradient(135deg, rgba(16,185,129,0.12), rgba(16,185,129,0.06)); }

/* All Courses (dashboard list — design spec) */
.shh-card.shh-card-courses{
  background:#FFFFFF;
  border:1px solid #E5E7EB;
  border-radius:14px;
  padding:25px;
  margin-top:24px;
  box-sizing:border-box;
  display:flex;
  flex-direction:column;
  gap:24px;
  width:100%;
  max-width:1536px;
  opacity:1;
}

.shh-courses-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.shh-courses-head-text{ min-width:0; }
.shh-courses-title{
  font-family:Inter,system-ui,sans-serif;
  font-weight:600;
  font-size:18px;
  line-height:28px;
  letter-spacing:0;
  color:#101828;
}
.shh-courses-sub{
  margin-top:2px;
  font-family:Inter,system-ui,sans-serif;
  font-weight:400;
  font-size:14px;
  line-height:20px;
  letter-spacing:0;
  color:#4A5565;
}
.shh-courses-add{
  flex-shrink:0;
  min-width:130px;
  height:36px;
  padding:0 14px;
  border:none;
  border-radius:10px;
  background:#15B79E;
  color:#fff;
  font-family:Inter,system-ui,sans-serif;
  font-weight:500;
  font-size:14px;
  line-height:20px;
  letter-spacing:0;
  text-align:center;
  cursor:pointer;
  box-sizing:border-box;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.shh-courses-add:hover{ filter:brightness(0.97); }
.shh-courses-add-plus{ font-weight:600; }

.shh-courses-list{
  display:flex;
  flex-direction:column;
  gap:8px;
  width:100%;
  opacity:1;
}
.shh-courses-empty{
  padding:20px;
  text-align:center;
  color:#4A5565;
  font-size:14px;
  border:1px dashed #E5E7EB;
  border-radius:10px;
}

.shh-bar{
  width:100%;
  height:6px;
  border-radius:999px;
  background:#E5E7EB;
  overflow:hidden;
  box-sizing:border-box;
}
.shh-bar-fill{
  height:100%;
  border-radius:999px;
  background:#101828;
  min-width:0;
}

.shh-course-row{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  min-height:74px;
  box-sizing:border-box;
  padding:16px;
  border-radius:10px;
  border:1px solid #E5E7EB;
  background:#FFFFFF;
  cursor:pointer;
  opacity:1;
  transition:background .15s ease;
}
.shh-course-row:hover{ background:#F9FAFB; }

.shh-cr-icon{
  width:44px;
  height:44px;
  border-radius:10px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.shh-cr-ic-inner{
  font-size:22px;
  line-height:1;
}

.shh-cr-main{
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:4px;
  justify-content:center;
}
.shh-cr-titleline{
  font-family:Inter,system-ui,sans-serif;
  font-size:15px;
  line-height:22px;
  color:#101828;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
}
.shh-cr-name{ font-weight:600; color:#101828; }
.shh-cr-sep{ color:#98A2B3; font-weight:400; }
.shh-cr-level{
  font-family:Inter,system-ui,sans-serif;
  font-weight:400;
  color:#4A5565;
  font-size:14px;
  line-height:20px;
}

.shh-cr-sub{
  font-family:Inter,system-ui,sans-serif;
  font-weight:400;
  font-size:13px;
  line-height:18px;
  color:#4A5565;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.shh-cr-stats{
  flex-shrink:0;
  display:flex;
  align-items:flex-end;
  gap:6px;
  min-width:min(100%, 240px);
}
.shh-cr-prow{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  justify-content:flex-end;
}
.shh-cr-barwrap{
  width:100%;
  max-width:200px;
  min-width:72px;
}
.shh-cr-barwrap .shh-bar{ height:6px; }
.shh-cr-pct{
  font-family:Inter,system-ui,sans-serif;
  font-weight:600;
  font-size:13px;
  line-height:20px;
  color:#101828;
  white-space:nowrap;
  min-width:3ch;
  text-align:right;
}

.shh-cr-metrics{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px 16px;
  font-family:Inter,system-ui,sans-serif;
  font-size:12px;
  line-height:18px;
  color:#4A5565;
}
.shh-cr-metric{
  display:inline-flex;
  align-items:center;
  gap:4px;
  white-space:nowrap;
}
.shh-cr-m-ic{ font-size:14px; opacity:.9; }

.shh-cr-chev{
  flex-shrink:0;
  font-size:18px;
  color:#98A2B3;
  line-height:1;
  padding-inline-start:4px;
}

@media (max-width: 900px){
  .shh-card.shh-card-courses{ margin-top:24px; }
  .shh-course-row{ flex-wrap:wrap; align-items:flex-start; }
  .shh-cr-stats{ align-items:stretch; width:100%; min-width:0; }
  .shh-cr-prow{ justify-content:flex-start; }
  .shh-cr-metrics{ justify-content:flex-start; }
  .shh-cr-chev{ display:none; }
}

.shh-rail-card{
  background:#FFFFFF;
  border:1px solid #E5E7EB;
  border-radius:14px;
  padding:25px;
  box-shadow:0 1px 2px rgba(0,0,0,0.04);
}
.shh-rail-title{ font-family:Inter,system-ui,sans-serif; font-weight:600; font-size:18px; line-height:27px; color:#101828; margin-bottom:16px; }
.shh-rail-mini{ margin-top:10px; padding:10px; border-radius:12px; border:1px solid var(--border2); background:var(--bg2); font-size:12px; font-weight:800; color:var(--ink); }
.shh-rail-mini .sub{ font-size:11px; font-weight:600; color:var(--ink3); margin-top:3px; }

.shh-weak-item{
  display:flex;
  align-items:center;
  gap:8px;
  padding:17px 17px 1px 17px;
  border-radius:12px;
  border:1px solid #E5E7EB;
  background:#FFF7ED;
  cursor:pointer;
  margin-top:8px;
  min-height:82px;
}
.shh-weak-name{ font-family:Inter,system-ui,sans-serif; font-weight:500; font-size:16px; line-height:24px; color:#101828; flex:1; min-width:0; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.shh-weak-meta{ font-size:12px; color:#4A5565; }
.shh-weak-arrow{ color:var(--ink3); font-weight:900; }
.shh-weak-delta{ color:var(--red); font-weight:800; margin-left:6px; font-size:11px; }
.shh-weak-btn{
  width:100%;
  margin-top:10px;
  border:1px solid rgba(245,158,11,0.25);
  background:rgba(245,158,11,0.10);
  color:var(--ink2);
  border-radius:12px;
  padding:10px 12px;
  font-weight:900;
  cursor:pointer;
}
.shh-weak-btn:hover{ filter:brightness(0.98); }

.shh-up-item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:17px 17px 1px 17px;
  border:1px solid #E5E7EB;
  border-radius:12px;
  background:#F8FAFC;
  margin-top:10px;
  min-height:118px;
}
.shh-up-ic{
  width:28px;height:28px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(124,92,191,0.10);
}
.shh-up-mid{ flex:1; min-width:0; }
.shh-up-title{ font-weight:900; font-size:12px; color:var(--ink); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.shh-up-sub{ font-size:11px; color:var(--ink3); margin-top:2px; }
.shh-up-badge{
  font-size:10px;
  font-weight:900;
  color:#7c3aed;
  background:rgba(124,58,237,0.10);
  border:1px solid rgba(124,58,237,0.18);
  padding:6px 8px;
  border-radius:999px;
  white-space:nowrap;
}
.shh-empty{ font-size:12px; color:var(--ink3); padding:10px 0; }