/* === PREMIUM MODERN DESIGN SYSTEM (VERCEL/APPLE INSPIRED) v3 === */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    /* Default - Light Mode (☀️) */
    --primary: #2563EB;
    --primary-hover: #1D4ED8;
    --primary-light: #EFF6FF;
    --primary-soft: rgba(37, 99, 235, 0.08);

    --accent: #F59E0B;
    --accent-red: #EF4444;
    --accent-green: #10B981;

    --bg-page: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-pill: #F1F5F9;
    --bg-glass: rgba(255, 255, 255, 0.75);
    --bg-glass-strong: rgba(255, 255, 255, 0.95);

    --text-main: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #94A3B8;
    --text-contrast: #FFFFFF;

    --border: #E2E8F0;
    --border-soft: rgba(226, 232, 240, 0.5);

    /* Effects */
    --glass-blur: blur(20px);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
    --shadow-float: 0 25px 50px -12px rgba(37, 99, 235, 0.15);

    /* Generic UI colors that respect theme */
    --progress-color: #FCD34D;
    --success-bg: #DCFCE7;
    --success-text: #166534;
    --danger-bg: #FEE2E2;
    --danger-text: #991B1B;
    --muted-text: #94A3B8;

    /* Level Colors */
    --lvl-core-bg: #4F46E5;
    --lvl-core-text: #ffffff;
    --lvl-a1-bg: #DBEAFE;
    --lvl-a1-text: #1E40AF;
    --lvl-a2-bg: #DCFCE7;
    --lvl-a2-text: #166534;
    --lvl-b1-bg: #FEF9C3;
    --lvl-b1-text: #854D0E;
    --lvl-b2-bg: #FEE2E2;
    --lvl-b2-text: #991B1B;

    --radius-xl: 24px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    --header-height: 70px;
}

/* Dark Mode (🌙) */
[data-theme="dark"] {
    --primary: #818CF8;
    --primary-hover: #A5B4FC;
    --primary-soft: rgba(129, 140, 248, 0.15);

    --bg-page: #020617;
    --bg-card: #0F172A;
    --bg-pill: #1E293B;
    --bg-glass: rgba(15, 23, 42, 0.7);
    --bg-glass-strong: rgba(15, 23, 42, 0.9);

    --text-main: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-tertiary: #475569;
    --text-contrast: #FFFFFF;

    --border: #1E293B;
    --border-soft: rgba(30, 41, 59, 0.5);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-float: 0 25px 50px -12px rgba(0, 0, 0, 0.5);

    /* Theme-aware UI colors for dark */
    --progress-color: #F59E0B;
    --success-bg: #064e3b;
    --success-text: #DCFCE7;
    --danger-bg: #7f1d1d;
    --danger-text: #fee2e2;
    --muted-text: #94A3B8;

    /* Dark Mode Badges */
    --lvl-core-bg: #818CF8;
    --lvl-core-text: #ffffff;
    --lvl-a1-bg: #1e3a8a;
    --lvl-a1-text: #dbeafe;
    --lvl-a2-bg: #064e3b;
    --lvl-a2-text: #dcfce7;
    --lvl-b1-bg: #713f12;
    --lvl-b1-text: #fef9c3;
    --lvl-b2-bg: #7f1d1d;
    --lvl-b2-text: #fee2e2;
}

/* Pastel Mode (🌸) */
[data-theme="pastel"] {
    --primary: #D946EF;
    --primary-hover: #C026D3;
    --primary-soft: rgba(217, 70, 239, 0.1);

    --bg-page: #FAF5FF;
    --bg-card: #FFFFFF;
    --bg-pill: #FDF4FF;
    --bg-glass: rgba(255, 255, 255, 0.8);
    --bg-glass-strong: rgba(255, 255, 255, 0.96);

    --text-main: #4A044E;
    --text-secondary: #701A75;
    --text-tertiary: #A21CAF;
    --text-contrast: #FFFFFF;

    --border: #F5D0FE;
    --border-soft: rgba(245, 208, 254, 0.5);
    --shadow-float: 0 25px 50px -12px rgba(217, 70, 239, 0.1);

    --progress-color: #F472B6;
    --success-bg: #F0ABFC;
    --success-text: #701A75;
    --danger-bg: #FEE2E2;
    --danger-text: #991B1B;
    --muted-text: #A21CAF;

    --lvl-core-bg: #F0ABFC;
    --lvl-core-text: #701A75;
}

/* === THEME SELECTOR (Segmented Control) === */
.theme-selector {
    display: flex;
    background: var(--bg-pill);
    padding: 3px;
    border-radius: 100px;
    gap: 2px;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-inset);
}

.theme-opt {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    border: none;
    background: transparent;
}

.theme-opt:hover {
    background: var(--primary-soft);
}

.theme-opt.active {
    background: var(--bg-card);
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Inter', 'Sarabun', sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    padding-bottom: 90px;
    /* Mesh Gradient Background */
    background-image:
        radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(245, 158, 11, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
}

/* === LAYOUT & HEADER === */
.app {
    max-width: 850px;
    margin: 0 auto;
    padding: 20px;
}

/* Page Content Visibility */
.page-content {
    display: none;
}

.page-content.active {
    display: block;
}

/* Hide standalone navigation when loaded in the main app */
.app .standalone-nav {
    display: none !important;
}

.logo-link {
    text-decoration: none !important;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.logo-link:hover {
    opacity: 0.8;
    transform: translateY(-1px);
}

.back-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-soft);
    color: var(--primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 20px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    margin-right: 12px;
}

.back-btn:hover {
    background: var(--primary);
    color: white;
    transform: translateX(-3px);
    box-shadow: var(--shadow-md);
}

.header {
    background: var(--bg-glass-strong);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    padding: 12px 20px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    border: 1px solid var(--border-soft);
    position: sticky;
    top: 16px;
    z-index: 100;
    transition: var(--transition);
}

.header.scrolled {
    background: var(--bg-glass-strong);
    box-shadow: var(--shadow-md);
    padding: 10px 20px;
}

/* Utility classes to avoid inline colors and respect current theme */
.muted { color: var(--muted-text); }
.muted-strong { color: var(--text-secondary); }
.empty-translation { opacity: 0.6; color: var(--muted-text); }
.primary-text { color: var(--primary); font-weight:700; }

/* Flashcard card styling */
.fc-card {
    background: var(--bg-card);
    color: var(--text-main);
    border-radius: 16px;
    padding: 32px;
    min-height: 200px;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:24px;
    cursor:pointer;
    border: 1px solid var(--border);
}

/* Flashcard action buttons */
.btn-forgot {
    background: var(--danger-bg);
    color: var(--danger-text);
    padding:12px; border-radius:12px; font-weight:700; border:none; cursor:pointer;
}
.btn-remember {
    background: var(--success-bg);
    color: var(--success-text);
    padding:12px; border-radius:12px; font-weight:700; border:none; cursor:pointer;
}

/* Quiz option styling */
.quiz-opt {
    padding:14px; border:2px solid var(--border); border-radius:12px; font-size:16px; font-weight:600; cursor:pointer; background:var(--bg-card); transition: all 0.12s;
}
.quiz-opt:hover { border-color: var(--primary); transform:translateY(-2px); }

/* Tailwind-style class overrides to keep infor/index readable across themes */
/* Backgrounds */
.bg-white { background: var(--bg-card) !important; }
.bg-slate-50, .bg-slate-100, .bg-slate-200 { background: var(--bg-page) !important; }
.bg-indigo-50, .bg-blue-50, .bg-green-50, .bg-red-50, .bg-yellow-50, .bg-pink-50, .bg-orange-50, .bg-purple-50 { background: var(--bg-card) !important; }

/* Text colors */
.text-slate-800, .text-slate-900 { color: var(--text-main) !important; }
.text-slate-700, .text-slate-600 { color: var(--text-secondary) !important; }
.text-slate-500 { color: var(--text-tertiary) !important; }

/* Borders: map light borders to theme border color */
[class*="border-"] { border-color: var(--border) !important; }

/* Small helpers used in infor page */
.section-num { display:inline-flex; align-items:center; justify-content:center; width:36px; height:36px; border-radius:10px; background:var(--bg-pill); color:var(--text-secondary); font-weight:700; }
.highlight-box { background: var(--bg-card); border-left-color: var(--primary); color: var(--text-main); }

/* Ensure accordions / cards use theme text color */
.accordion-item, .accordion-content, .accordion-body { background: transparent; color: var(--text-main); }

/* Minimal, rebuilt dark-mode rules for #infor (keeps things readable) */
[data-theme="dark"] #infor {
    color: var(--text-main);
}

[data-theme="dark"] #infor .accordion-item,
[data-theme="dark"] #infor .accordion-header,
[data-theme="dark"] #infor .accordion-content,
[data-theme="dark"] #infor .accordion-body,
[data-theme="dark"] #infor .grammar-table th,
[data-theme="dark"] #infor .grammar-table td {
    background: var(--bg-card) !important;
    color: var(--text-main) !important;
    border-color: var(--border) !important;
}

[data-theme="dark"] #infor .grammar-table td { color: var(--text-secondary) !important; }
[data-theme="dark"] #infor .grammar-table th { color: var(--text-main) !important; }

[data-theme="dark"] #infor .section-num { background: var(--bg-pill) !important; color: var(--text-secondary) !important; }
[data-theme="dark"] #infor .arrow { color: var(--text-tertiary) !important; }

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 20px;
    background: linear-gradient(135deg, #2563EB, #4F46E5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.logo-text h1 {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo-text span {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.user-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.streak-pill {
    background: var(--primary-soft);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--border-soft);
}

/* === NAVIGATION TABS (Mobile App Style) === */
.nav-tab-container {
    display: flex;
    background: var(--bg-pill);
    padding: 4px;
    border-radius: 16px;
    margin-bottom: 24px;
    position: relative;
    box-shadow: var(--shadow-inset);
}

.nav-tab-btn {
    flex: 1;
    padding: 10px;
    text-align: center;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 1;
    border-radius: 12px;
    border: none;
    background: transparent;
    transition: color 0.2s ease;
}

.nav-tab-btn.active {
    color: var(--primary);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
}

/* Note: We use simpler JS switching for active class on btn directly for stability */

/* === PROGRESS & STATS === */
.daily-goal-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    border-radius: var(--radius-xl);
    padding: 24px;
    color: var(--text-contrast);
    margin-bottom: 24px;
    box-shadow: var(--shadow-float);
    position: relative;
    overflow: hidden;
}

/* Abstract Shapes */
.daily-goal-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.daily-goal-card::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 20%;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.daily-content {
    position: relative;
    z-index: 2;
}

.daily-title {
    font-size: 14px;
    font-weight: 600;
    opacity: 0.9;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.daily-val {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.progress-container {
    background: rgba(255, 255, 255, 0.2);
    height: 8px;
    border-radius: 100px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--progress-color);
    /* Gold */
    border-radius: 100px;
    width: 0%;
    transition: width 1s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.mini-stat {
    background: var(--bg-card);
    padding: 16px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.mini-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.ms-green {
    background: #DCFCE7;
    color: #166534;
}

.ms-orange {
    background: #FFEDD5;
    color: #9A3412;
}

.ms-blue {
    background: #DBEAFE;
    color: #1E40AF;
}

/* === CONTROLS === */
.search-container {
    margin-bottom: 16px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 16px 20px 16px 50px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-card);
    font-size: 16px;
    font-family: 'Sarabun', sans-serif;
    color: var(--text-main);
    box-shadow: var(--shadow-xs);
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 18px;
    pointer-events: none;
}

.filters-row {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 12px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    margin-bottom: 12px;
}

.filters-row::-webkit-scrollbar {
    display: none;
}

.filter-chip {
    padding: 8px 16px;
    border-radius: 100px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

/* Filter Chips */
.filter-chip.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.filter-chip.chip-must-know {
    border-color: #4F46E5;
    color: #4F46E5;
}

.filter-chip.chip-must-know.active {
    background: #4F46E5;
    color: white;
}

/* === VOCAB LIST === */
.vocab-list {
    display: grid;
    gap: 12px;
}

.vocab-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.vocab-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-soft);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.word-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.word-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.pos-tag {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: var(--bg-pill);
    padding: 2px 6px;
    border-radius: 4px;
}

.sound-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-pill);
    color: var(--text-secondary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s;
}

.sound-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.lvl-badge {
    font-size: 11px;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 100px;
    text-transform: uppercase;
}

.lvl-A1 {
    background: var(--lvl-a1-bg);
    color: var(--lvl-a1-text);
}

.lvl-A2 {
    background: var(--lvl-a2-bg);
    color: var(--lvl-a2-text);
}

.lvl-B1 {
    background: var(--lvl-b1-bg);
    color: var(--lvl-b1-text);
}

.lvl-B2 {
    background: var(--lvl-b2-bg);
    color: var(--lvl-b2-text);
}

.meaning {
    font-family: 'Sarabun', sans-serif;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.example {
    font-size: 13px;
    color: var(--text-tertiary);
    font-style: italic;
    border-left: 2px solid var(--border);
    padding-left: 8px;
    margin-top: 4px;
}

/* === MODAL === */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    transition: opacity 0.3s;
}

.modal.active {
    opacity: 1;
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-xl);
    padding: 30px;
    position: relative;
    box-shadow: var(--shadow-float);
    color: var(--text-main);
    transform: scale(0.95) translateY(10px);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-word {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
}

.modal-meta {
    display: flex;
    justify-content: center;
    gap: 8px;
    align-items: center;
}

.modal-body {
    text-align: left;
}

.def-section {
    margin-bottom: 20px;
}

.def-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.def-text {
    font-size: 16px;
    color: var(--text-main);
    font-family: 'Sarabun', sans-serif;
    line-height: 1.6;
}

.close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-pill);
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: var(--primary-soft);
}

/* === EMPTY & LOADING === */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-tertiary);
    animation: fadeIn 0.5s ease;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

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

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

/* === MOBILE RESPONSIVENESS === */
@media (max-width: 480px) {
    .app {
        padding: 16px;
    }

    .header {
        padding: 8px 16px;
    }

    .nav-tab-container {
        margin: 0 0 20px 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: 24px;
        bottom: 0;
        border-radius: 24px 24px 0 0;
        width: 100%;
        max-width: 100%;
        position: absolute;
        transform: translateY(100%);
    }

    .modal.active .modal-content {
        transform: translateY(0);
    }
}

/* Additional mobile refinements for `#infor` to prevent overflow and oversized text */
@media (max-width: 640px) {
    body {
        font-size: 14px;
    }

    .app {
        max-width: 100%;
        padding: 12px;
    }

    /* Scale down large headings inside infor */
    #infor h1, #infor .text-3xl { font-size: 1.4rem !important; }
    #infor h4 { font-size: 1.05rem !important; }

    /* Accordion compacting */
    #infor .accordion-header { padding: 0.9rem !important; font-size: 1rem !important; }
    #infor .accordion-body { padding: 1rem !important; }

    /* Reduce section number size */
    #infor .section-num { width: 1.8rem !important; height: 1.8rem !important; font-size: 0.85rem !important; }

    /* Make grammar tables scroll horizontally instead of breaking layout */
    #infor .overflow-x-auto, #infor .grammar-table { overflow-x: auto; display: block; }
    #infor .grammar-table th, #infor .grammar-table td { white-space: normal !important; word-break: break-word !important; min-width: 120px; font-size: 0.9rem !important; }

    /* Ensure pastel boxes wrap text and don't overflow */
    #infor [class*="bg-"] { word-wrap:break-word; hyphens:auto; }

    /* Reduce padding for small cards and boxes */
    #infor .bg-white, #infor .bg-pink-100, #infor .bg-blue-100, #infor .bg-green-100, #infor .bg-yellow-100, #infor .bg-orange-100, #infor .bg-indigo-50 {
        padding: 12px !important; border-radius: 12px !important;
    }

    /* Prevent huge font sizes inside highlighted boxes */
    #infor .highlight-box, #infor .mb-6 .bg-white { font-size: 0.95rem !important; }

    /* Make lists and examples more compact */
    #infor .text-sm { font-size: 0.9rem !important; }
    #infor .text-xs { font-size: 0.75rem !important; }
}

/* Header / top bar mobile fixes to prevent visual overflow (pill extents) */
@media (max-width: 640px) {
    .header {
        padding: 8px 12px !important;
        border-radius: 14px !important;
        margin: 8px 0 !important;
        width: calc(100% - 24px) !important;
        box-sizing: border-box !important;
        overflow: visible !important;
        /* allow children to wrap instead of overflowing */
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }

    .header .logo-link {
        display: flex; align-items: center; gap: 8px;
    }

    .logo-icon {
        width: 36px !important; height: 36px !important; font-size: 18px !important;
    }

    .logo-text h1 { font-size: 14px !important; }
    .logo-text span { font-size: 11px !important; }

    .user-actions { gap: 8px !important; }
    .theme-selector { transform: scale(0.95); }
    .streak-pill { padding: 4px 10px !important; font-size: 12px !important; }

    .back-btn { width:36px; height:36px; font-size:18px; }

    /* Ensure header children don't push outside */
    .header > * { min-width: 0; }
    .logo-text { min-width: 0; }
    .logo-text h1, .logo-text span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

/* Extra small screens: hide less-critical elements and shrink controls */
@media (max-width: 420px) {
    .logo-text h1 { font-size: 13px !important; }
    .logo-text span { display: none !important; }
    .theme-selector { padding: 2px !important; gap: 4px !important; }
    .theme-opt { width: 28px !important; height: 28px !important; font-size: 12px !important; }
    .user-actions { gap: 6px !important; }
    /* hide streak to save horizontal space on very small devices */
    .streak-pill { display: none !important; }
    /* ensure logo icon and actions align on one line when possible */
    .logo { gap: 8px !important; }
}

/* ==========================
   Mobile-first UI Redesign
   - Compact header with centered logo + hamburger
   - Bottom fixed nav (app-style)
   - Compact daily card + stacked lists
   - Vocab cards use row layout for quick scanning
   - Modals become bottom-sheet full-width on mobile
   - Easier touch targets and reduced padding
   ========================== */
@media (max-width: 640px) {
    /* app container: allow full width and reserve space for bottom nav */
    .app {
        max-width: 100%;
        padding: 12px;
        padding-bottom: 96px; /* reserve for bottom nav */
    }

    /* Header: center logo, put menu button absolute right */
    .header {
        padding: 10px 48px;
        border-radius: 12px;
        display: flex !important;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .mobile-menu-toggle {
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1300;
        background: var(--bg-card);
        box-shadow: var(--shadow-sm);
    }

    /* compact logo */
    .logo-icon { width: 36px; height: 36px; font-size: 16px; }
    .logo-text h1 { font-size: 16px; font-weight: 800; }
    .logo-text span { display: none; }

    /* daily card: compact horizontal layout */
    .daily-goal-card {
        padding: 12px;
        border-radius: 12px;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .daily-val { font-size: 18px; }

    /* stats grid: stacked two small pills */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
    .mini-stat { padding: 10px; border-radius: 12px; }

    /* search: smaller padding */
    .search-input { padding: 12px 14px 12px 44px; font-size: 15px; }
    .search-icon { left: 14px; }

    /* filters: keep horizontal scroll but reduce chip size */
    .filter-chip { padding: 8px 12px; font-size: 13px; }

    /* vocab list: make cards row-based for quick scan */
    .vocab-list { display: block; }
    .vocab-card {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 12px;
        padding: 12px;
        border-radius: 12px;
    }
    .card-top { display:flex; align-items:center; gap:12px; width:100%; }
    .word-row { display:flex; align-items:center; gap:10px; }
    .word-text { font-size:16px; }
    .meaning { font-size:14px; color:var(--text-secondary); }
    .pos-tag { order: 3; margin-left:auto; }

    .example { font-size:13px; }

    /* bottom fixed nav */
    .nav-tab-container {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 12px;
        padding: 6px;
        border-radius: 14px;
        display: flex;
        gap: 8px;
        justify-content: space-between;
        box-shadow: var(--shadow-sm);
        z-index: 1400;
        background: var(--bg-pill);
    }
    .nav-tab-btn { flex:1; padding: 10px 8px; margin:0 6px; border-radius:10px; font-size:14px; }

    /* modal bottom-sheet full-width */
    .modal-content {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-width: 100%;
        border-radius: 16px 16px 0 0;
        padding: 18px;
        box-shadow: var(--shadow-md);
        transform: translateY(0);
    }

    /* make modal body scrollable and taller */
    .modal { align-items: flex-end; }
    .modal .modal-content { max-height: 85vh; overflow:auto; }

    /* slightly reduce header elevation so bottom nav stands out */
    .header { z-index: 1300; }
}

/* Content readability improvements for mobile */
@media (max-width: 640px) {
    /* Ensure text wraps and long Thai/English strings break cleanly */
    .meaning, .def-text, .empty-translation, .example {
        white-space: normal !important;
        word-break: break-word !important;
        overflow-wrap: anywhere !important;
        line-height: 1.7 !important;
    }

    /* Slightly reduce large headings inside modals and cards */
    .modal-word { font-size: 22px !important; }
    .modal .def-text { font-size: 15px !important; }

    /* Vocab card: allow phrase column to grow and truncate intelligently */
    .vocab-card { align-items: flex-start; }
    .vocab-card .word-row { min-width: 0; }
    .vocab-card .meaning { flex: 1 1 auto; min-width: 0; }

    /* Make sure icons / buttons don't push text out */
    .vocab-card .sound-btn { flex: 0 0 auto; margin-left: 6px; }

    /* Ensure any images or assets scale down */
    img { max-width: 100%; height: auto; display: block; }

    /* Grammar / large tables: horizontal scroll preserved */
    #infor .grammar-table, #infor .overflow-x-auto { width: 100%; overflow-x: auto; display: block; }

    /* Reduce line length and increase readability in long text containers */
    #infor { padding-left: 8px !important; padding-right: 8px !important; }
}

/* Mobile menu toggle and popup */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 20px;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
}

@media (max-width: 640px) {
    /* show compact menu button and hide original actions until moved into popup */
    .mobile-menu-toggle { display: inline-flex; align-items:center; justify-content:center; }
    .header .user-actions { display: flex; gap: 8px; }
    /* prefer to hide original user-actions visually so popup can take it — keep for reparenting */
    .header.collapsed .user-actions { display: none !important; }

    .mobile-popup {
        display: none;
        position: fixed;
        left: 0;
        right: 0;
        /* respect header height and device safe-area (notch) */
        top: calc(var(--header-height, 70px) + env(safe-area-inset-top, 0px));
        z-index: 1200;
        background: var(--bg-glass);
        backdrop-filter: var(--glass-blur);
        -webkit-backdrop-filter: var(--glass-blur);
        padding: 12px;
        padding-top: calc(12px + env(safe-area-inset-top, 0px));
        box-shadow: var(--shadow-md);
        border-radius: 12px;
        margin: 8px;
        transition: transform 0.28s cubic-bezier(.2,.9,.3,1), opacity 0.28s ease;
        transform-origin: top center;
        transform: translateY(-6px);
        opacity: 0;
    }

    .mobile-popup.active {
        display: block;
        transform: translateY(0);
        opacity: 1;
    }

    /* inside popup, ensure elements stack vertically and are touch-friendly */
    .mobile-popup .user-actions { display:flex; gap:10px; align-items:center; justify-content:flex-end; }
    .mobile-popup .theme-selector { order: 1; }
    .mobile-popup .streak-pill { order: 2; }
    .mobile-popup .sound-btn { order: 3; }
}

/* Hide the reset button inside popup on very small devices to avoid accidental taps */
@media (max-width: 640px) {
    .mobile-popup .reset-btn { display: none !important; }
}

/* === ENCYCLOPEDIA / GRAMMAR STYLES === */
/* Navigation */
.tab-active {
    color: #2563eb;
    border-bottom: 3px solid #2563eb;
    background-color: #eff6ff;
}

/* Accordion Styles */
.accordion-item {
    background: var(--bg-card);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.accordion-header {
    padding: 1.25rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    font-weight: 600;
    font-size: 1.1rem;
    transition: background 0.2s;
}

.accordion-header:hover {
    background-color: var(--bg-pill);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
    background-color: var(--bg-card);
}

.accordion-content.open {
    max-height: 8000px;
    transition: max-height 1s ease-in;
}

.accordion-body {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
}

.arrow {
    transition: transform 0.3s;
    color: #94a3b8;
}

/* Grammar Badges */
.badge {
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-block;
    margin-right: 4px;
    letter-spacing: 0.02em;
}

.badge-n {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.badge-v {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.badge-adj {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.badge-adv {
    background: #ffedd5;
    color: #9a3412;
    border: 1px solid #fed7aa;
}

.highlight-box {
    background: var(--bg-card);
    border-left: 4px solid var(--primary);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
    color: var(--text-main);
}

.eng-text {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: var(--text-main);
}

/* Grammar Table Styles */
.grammar-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.grammar-table th {
    text-align: left;
    padding: 12px;
    background: var(--bg-pill);
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.grammar-table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.grammar-table tr:last-child td {
    border-bottom: none;
}

.section-num {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    font-weight: 800;
    font-size: 0.9rem;
    margin-right: 1rem;
    flex-shrink: 0;
    background: #eff6ff;
    color: #2563eb;
}

/* Quiz Styling */
.option-btn {
    width: 100%;
    padding: 16px;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-main);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.option-btn:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.option-btn.correct {
    border-color: var(--accent-green);
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
}

.option-btn.wrong {
    border-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

/* Flashcard / Review Buttons */
.review-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.modal-btn {
    padding: 14px;
    border-radius: var(--radius-lg);
    border: none;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-forgot {
    background: #FEE2E2;
    color: #991B1B;
}

[data-theme="dark"] .btn-forgot {
    background: #450a0a;
    color: #fca5a5;
}

.btn-remember {
    background: #DCFCE7;
    color: #166534;
}

[data-theme="dark"] .btn-remember {
    background: #064e3b;
    color: #dcfce7;
}

.modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    filter: brightness(0.95);
}

/* Encyclopedia Container Styles */
#infor .text-center {
    text-align: center;
}

#infor .mb-8 {
    margin-bottom: 2rem;
}

#infor .mb-4 {
    margin-bottom: 1rem;
}

#infor .mb-2 {
    margin-bottom: 0.5rem;
}

#infor .mb-6 {
    margin-bottom: 1.5rem;
}

#infor .mt-4 {
    margin-top: 1rem;
}

#infor .mt-6 {
    margin-top: 1.5rem;
}

#infor .p-4 {
    padding: 1rem;
}

#infor .p-3 {
    padding: 0.75rem;
}

#infor .p-2 {
    padding: 0.5rem;
}

#infor .space-y-8>*+* {
    margin-top: 2rem;
}

#infor .space-y-6>*+* {
    margin-top: 1.5rem;
}

#infor .space-y-2>*+* {
    margin-top: 0.5rem;
}

#infor .gap-4 {
    gap: 1rem;
}

#infor .gap-2 {
    gap: 0.5rem;
}

#infor .gap-6 {
    gap: 1.5rem;
}

#infor .grid {
    display: grid;
}

#infor .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

#infor .flex {
    display: flex;
}

#infor .flex-col {
    flex-direction: column;
}

#infor .flex-wrap {
    flex-wrap: wrap;
}

#infor .items-center {
    align-items: center;
}

#infor .justify-center {
    justify-content: center;
}

#infor .text-sm {
    font-size: 0.875rem;
}

#infor .text-xs {
    font-size: 0.75rem;
}

#infor .text-3xl {
    font-size: 1.875rem;
}

#infor .text-xl {
    font-size: 1.25rem;
}

#infor .font-bold {
    font-weight: 700;
}

#infor .font-black {
    font-size: 900;
}

#infor .font-semibold {
    font-weight: 600;
}

#infor .font-mono {
    font-family: monospace;
}

#infor .italic {
    font-style: italic;
}

#infor .border {
    border: 1px solid #e2e8f0;
}

#infor .border-b {
    border-bottom: 1px solid #e2e8f0;
}

#infor .border-l-4 {
    border-left: 4px solid;
}

#infor .rounded {
    border-radius: 0.25rem;
}

#infor .rounded-xl {
    border-radius: 0.75rem;
}

#infor .rounded-lg {
    border-radius: 0.5rem;
}

#infor .rounded-2xl {
    border-radius: 1rem;
}

#infor .rounded-full {
    border-radius: 9999px;
}

#infor .shadow-sm {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

#infor .shadow-xl {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

#infor .overflow-x-auto {
    overflow-x: auto;
}

#infor .list-disc {
    list-style-type: disc;
}

#infor .pl-4 {
    padding-left: 1rem;
}

#infor .pb-1 {
    padding-bottom: 0.25rem;
}

#infor .pb-2 {
    padding-bottom: 0.5rem;
}

#infor .w-full {
    width: 100%;
}

#infor .w-3\/4 {
    width: 75%;
}

#infor .w-1\/2 {
    width: 50%;
}

#infor .bg-white {
    background-color: var(--bg-card);
}

#infor .bg-pink-100 {
    background-color: #fce7f3;
}

#infor .bg-red-100 {
    background-color: #fee2e2;
}

#infor .bg-blue-100 {
    background-color: #dbeafe;
}

#infor .bg-indigo-100 {
    background-color: #e0e7ff;
}

#infor .bg-green-100 {
    background-color: #dcfce7;
}

#infor .bg-yellow-100 {
    background-color: #fef9c3;
}

#infor .bg-orange-100 {
    background-color: #ffedd5;
}

#infor .bg-teal-100 {
    background-color: #ccfbf1;
}

#infor .bg-purple-100 {
    background-color: #f3e8ff;
}

#infor .bg-rose-100 {
    background-color: #ffe4e6;
}

#infor .bg-gray-100 {
    background-color: #f1f5f9;
}

#infor .bg-gray-200 {
    background-color: #e2e8f0;
}

#infor .bg-slate-50 {
    background-color: #f8fafc;
}

#infor .bg-indigo-50 {
    background-color: #eef2ff;
}

#infor .bg-red-50 {
    background-color: #fef2f2;
}

#infor .bg-blue-50 {
    background-color: #eff6ff;
}

#infor .bg-teal-50 {
    background-color: #f0fdfa;
}

#infor .bg-rose-50 {
    background-color: #fff1f2;
}

#infor .bg-pink-50 {
    background-color: #fdf2f8;
}

#infor .bg-yellow-50 {
    background-color: #fefce8;
}

#infor .bg-gray-50 {
    background-color: #f9fafb;
}

#infor .text-pink-600 {
    color: #db2777;
}

#infor .text-pink-700 {
    color: #be185d;
}

#infor .text-red-600 {
    color: #dc2626;
}

#infor .text-red-700 {
    color: #b91c1c;
}

#infor .text-blue-600 {
    color: #2563eb;
}

#infor .text-blue-700 {
    color: #1d4ed8;
}

#infor .text-indigo-600 {
    color: #4f46e5;
}

#infor .text-indigo-700 {
    color: #4338ca;
}

#infor .text-indigo-800 {
    color: #3730a3;
}

#infor .text-green-600 {
    color: #16a34a;
}

#infor .text-green-700 {
    color: #15803d;
}

#infor .text-green-800 {
    color: #166534;
}

#infor .text-orange-600 {
    color: #ea580c;
}

#infor .text-orange-700 {
    color: #c2410c;
}

#infor .text-teal-600 {
    color: #0d9488;
}

#infor .text-teal-800 {
    color: #115e59;
}

#infor .text-purple-600 {
    color: #9333ea;
}

#infor .text-purple-700 {
    color: #7e22ce;
}

#infor .text-rose-600 {
    color: #e11d48;
}

#infor .text-rose-800 {
    color: #9f1239;
}

#infor .text-cyan-700 {
    color: #0e7490;
}

#infor .text-amber-800 {
    color: #92400e;
}

#infor .text-gray-700 {
    color: #374151;
}

#infor .text-slate-400 {
    color: var(--text-tertiary);
}

#infor .text-slate-500 {
    color: var(--text-tertiary);
}

#infor .text-slate-600 {
    color: var(--text-secondary);
}

#infor .text-slate-700 {
    color: var(--text-secondary);
}

#infor .text-slate-800 {
    color: var(--text-main);
}

#infor .border-pink-200 {
    border-color: #fbcfe8;
}

#infor .border-indigo-200 {
    border-color: #c7d2fe;
}

#infor .border-indigo-100 {
    border-color: #e0e7ff;
}

#infor .border-red-100 {
    border-color: #fee2e2;
}

#infor .border-blue-100 {
    border-color: #dbeafe;
}

#infor .border-green-200 {
    border-color: #bbf7d0;
}

#infor .border-yellow-200 {
    border-color: #fef08a;
}

#infor .border-red-200 {
    border-color: #fecaca;
}

#infor .border-teal-200 {
    border-color: #99f6e4;
}

#infor .border-rose-200 {
    border-color: #fecdd3;
}

#infor .border-l-blue-500 {
    border-left-color: #3b82f6;
}

#infor .border-l-orange-500 {
    border-left-color: #f97316;
}

#infor .border-l-green-500 {
    border-left-color: #22c55e;
}

#infor .border-l-purple-500 {
    border-left-color: #a855f7;
}

#infor .border-green-500 {
    border-color: #22c55e;
}

#infor .border-red-500 {
    border-color: #ef4444;
}

@media (min-width: 768px) {
    #infor .md\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    #infor .md\:grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    #infor .md\:p-8 {
        padding: 2rem;
    }
}



/* === ENCYCLOPEDIA / GRAMMAR STYLES REFINED === */
#infor .accordion-item {
    border: 1px solid var(--border) !important;
    border-radius: 1rem !important;
    margin-bottom: 1.25rem !important;
    background: var(--bg-card) !important;
    overflow: hidden !important;
    box-shadow: var(--shadow-sm) !important;
    transition: transform 0.2s, box-shadow 0.2s !important;
}

#infor .accordion-item:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08) !important;
}

#infor .accordion-header {
    padding: 1.25rem 1.5rem !important;
    cursor: pointer !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    background: var(--bg-card) !important;
    color: var(--text-main) !important;
    font-weight: 700 !important;
    font-size: 1.15rem !important;
    transition: background 0.2s !important;
    border: none !important;
    width: 100% !important;
}

#infor .accordion-header:hover {
    background-color: var(--bg-glass-strong) !important;
}

#infor .section-num {
    width: 2.5rem !important;
    height: 2.5rem !important;
    border-radius: 0.75rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: 800 !important;
    margin-right: 1.25rem !important;
    flex-shrink: 0 !important;
    background: var(--primary-soft) !important;
    color: var(--primary) !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05) !important;
}

#infor .accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: var(--bg-card);
}

#infor .accordion-content.open {
    max-height: 15000px;
}

#infor .accordion-body {
    padding: 2rem !important;
    border-top: 1px solid var(--border) !important;
}

#infor .arrow {
    transition: transform 0.3s !important;
    color: var(--text-tertiary) !important;
    font-size: 0.8rem !important;
}

/* Custom Typography for Encyclopedia */
#infor h4 {
    font-size: 1.25rem !important;
    margin-top: 1.5rem !important;
    margin-bottom: 1rem !important;
    letter-spacing: -0.01em !important;
}

#infor p,
#infor li,
#infor td {
    font-size: 1rem !important;
    line-height: 1.7 !important;
    color: var(--text-main) !important;
}

#infor b,
#infor strong {
    color: var(--text-main) !important;
}

/* Tables refinement */
#infor .grammar-table {
    width: 100% !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
    margin: 1.5rem 0 !important;
    border-radius: 0.75rem !important;
    overflow: hidden !important;
    border: 1px solid var(--border) !important;
}

#infor .grammar-table th {
    background: var(--bg-pill) !important;
    padding: 1rem !important;
    font-weight: 700 !important;
    color: var(--text-secondary) !important;
    text-transform: uppercase !important;
    font-size: 0.75rem !important;
    letter-spacing: 0.05em !important;
    border-bottom: 2px solid var(--border) !important;
}

#infor .grammar-table td {
    padding: 1rem !important;
    border-bottom: 1px solid var(--border) !important;
    background: var(--bg-card) !important;
}

#infor .grammar-table tr:last-child td {
    border-bottom: none !important;
}

/* (Removed duplicated final dark-mode overrides; infor dark styles are defined earlier) */

#infor .badge {
    padding: 0.25rem 0.75rem !important;
    border-radius: 0.5rem !important;
    font-weight: 700 !important;
    font-size: 0.75rem !important;
    text-transform: uppercase !important;
}

#infor .badge-n {
    background: var(--lvl-a1-bg) !important;
    color: var(--lvl-a1-text) !important;
    border: 1px solid var(--border) !important;
}

#infor .badge-v {
    background: var(--lvl-b2-bg) !important;
    color: var(--lvl-b2-text) !important;
    border: 1px solid var(--border) !important;
}

#infor .badge-adj {
    background: var(--lvl-a2-bg) !important;
    color: var(--lvl-a2-text) !important;
    border: 1px solid var(--border) !important;
}

#infor .badge-adv {
    background: var(--lvl-b1-bg) !important;
    color: var(--lvl-b1-text) !important;
    border: 1px solid var(--border) !important;
}

/* Make fixed pastel utility classes readable in dark theme */
[data-theme="dark"] #infor .bg-pink-100,
[data-theme="dark"] #infor .bg-red-100,
[data-theme="dark"] #infor .bg-blue-100,
[data-theme="dark"] #infor .bg-indigo-100,
[data-theme="dark"] #infor .bg-green-100,
[data-theme="dark"] #infor .bg-yellow-100,
[data-theme="dark"] #infor .bg-orange-100,
[data-theme="dark"] #infor .bg-teal-100,
[data-theme="dark"] #infor .bg-purple-100,
[data-theme="dark"] #infor .bg-rose-100 {
    background: var(--bg-card) !important;
    color: var(--text-main) !important;
    border-color: var(--border) !important;
}

/* Also handle -50 utility pastel backgrounds (small boxes) */
[data-theme="dark"] #infor .bg-pink-50,
[data-theme="dark"] #infor .bg-red-50,
[data-theme="dark"] #infor .bg-blue-50,
[data-theme="dark"] #infor .bg-indigo-50,
[data-theme="dark"] #infor .bg-green-50,
[data-theme="dark"] #infor .bg-yellow-50,
[data-theme="dark"] #infor .bg-orange-50,
[data-theme="dark"] #infor .bg-teal-50,
[data-theme="dark"] #infor .bg-purple-50,
[data-theme="dark"] #infor .bg-rose-50,
[data-theme="dark"] #infor .bg-gray-50,
[data-theme="dark"] #infor .bg-slate-50,
[data-theme="dark"] #infor .bg-indigo-50 {
    background: var(--bg-card) !important;
    color: var(--text-main) !important;
    border-color: var(--border) !important;
}

/* Ensure small pastel boxes display readable text: any utility bg-* that contains -50 or -100 */
[data-theme="dark"] #infor [class*="bg-"][class*="-50"],
[data-theme="dark"] #infor [class*="bg-"][class*="-100"] {
    color: var(--text-main) !important;
}

[data-theme="dark"] #infor .highlight-box {
    background: var(--bg-glass);
    color: var(--text-main) !important;
    border-left-color: var(--primary) !important;
}

@media (max-width: 640px) {
    #infor .accordion-body {
        padding: 1.25rem !important;
    }

    #infor .section-num {
        width: 2rem !important;
        height: 2rem !important;
        margin-right: 0.75rem !important;
        font-size: 0.85rem !important;
    }

    #infor .accordion-header {
        font-size: 1rem !important;
        padding: 1rem !important;
    }
}

/* === UTILS === */
.hidden {
    display: none !important;
}

/* Last-resort: ensure any pastel utility backgrounds inside #infor are readable in dark theme.
   This block is intentionally placed at the end and uses !important to win over earlier
   Tailwind-like utility mappings that set very light colors. */
[data-theme="dark"] #infor [class*="bg-"][class*="-50"],
[data-theme="dark"] #infor [class*="bg-"][class*="-100"] {
    background: var(--bg-card) !important;
    border-color: var(--border) !important;
    color: var(--text-main) !important;
}

/* Also force all text inside those pastel boxes to be visible */
[data-theme="dark"] #infor [class*="bg-"][class*="-50"] *,
[data-theme="dark"] #infor [class*="bg-"][class*="-100"] * {
    color: var(--text-main) !important;
}

/* Ensure small utility boxes (bg-white etc) inside #infor also respect dark theme */
[data-theme="dark"] #infor .bg-white,
[data-theme="dark"] #infor .bg-slate-50,
[data-theme="dark"] #infor .bg-gray-50,
[data-theme="dark"] #infor .bg-gray-100 {
    background: var(--bg-card) !important;
    color: var(--text-main) !important;
    border-color: var(--border) !important;
}