/* themes.css — Universal Multi-Theme Engine for Apollo IELTS Portal */

/* Universal component overrides when a theme is active */
[data-theme] body {
    background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%) !important;
}

[data-theme] .workspace,
[data-theme] .dashboard,
[data-theme] .practice-portal {
    background: transparent !important;
}

[data-theme] .glow-blob.glow-1 {
    background: var(--primary) !important;
    opacity: 0.15 !important;
}
[data-theme] .glow-blob.glow-2 {
    background: var(--secondary) !important;
    opacity: 0.12 !important;
}

[data-theme] .content-panel,
[data-theme] .sidebar,
[data-theme] .dash-header,
[data-theme] .login-card,
[data-theme] .modal-card,
[data-theme] .auth-card,
[data-theme] .hw-widget {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

[data-theme] .stat-card,
[data-theme] .module-card,
[data-theme] .section-card,
[data-theme] .content-card,
[data-theme] .vocab-card,
[data-theme] .topic-card {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}
[data-theme] .stat-card:hover,
[data-theme] .module-card:hover,
[data-theme] .section-card:hover,
[data-theme] .content-card:hover {
    border-color: var(--primary) !important;
    box-shadow: 0 8px 24px var(--glow-color, rgba(0,0,0,0.3)) !important;
}

[data-theme] .btn:not(.btn-secondary):not(.btn-danger):not(.action-icon-btn):not(.portal-theme-btn):not(.btn-nav),
[data-theme] .btn-primary,
[data-theme] button[type="submit"]:not(.btn-secondary):not(.btn-danger):not(.portal-theme-btn) {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    color: #fff !important;
    box-shadow: 0 4px 14px var(--glow-color, rgba(0,0,0,0.2)) !important;
}

[data-theme] .badge-band,
[data-theme] .cat-badge,
[data-theme] .nav-tab.active,
[data-theme] .filter-btn.active {
    background: var(--primary) !important;
    color: #fff !important;
}

/* Practice runner deep theme overrides */
[data-theme] .pane-left {
    background: var(--bg-panel-left, var(--bg-start)) !important;
    border-color: var(--border-color) !important;
}
[data-theme] .pane-right {
    background: var(--bg-panel-right, var(--bg-end)) !important;
}
[data-theme] .practice-nav,
[data-theme] .part-switcher-bar {
    background: var(--bg-dark, var(--bg-start)) !important;
    border-color: var(--border-color) !important;
}
[data-theme] .q-card,
[data-theme] .q-nav-card,
[data-theme] .writing-prompt-card,
[data-theme] .review-feedback-box,
[data-theme] .drawer {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    color: var(--text-main, #f8fafc) !important;
}
[data-theme] .passage-box {
    background: transparent !important;
    border: none !important;
    color: var(--text-main, #f8fafc) !important;
}
[data-theme] .passage-box p,
[data-theme] .passage-box li,
[data-theme] .passage-box td,
[data-theme] .passage-box div:not(.writing-prompt-card):not(.adv-audio-player-card) {
    color: var(--text-main, #f8fafc) !important;
}
[data-theme] .passage-box strong,
[data-theme] .passage-box b,
[data-theme] .writing-prompt-body strong,
[data-theme] .writing-prompt-body b {
    color: #ffffff !important;
}
[data-theme] .writing-prompt-body,
[data-theme] .writing-prompt-body p,
[data-theme] .writing-prompt-body li,
[data-theme] .writing-prompt-body td,
[data-theme] .writing-prompt-body div {
    color: var(--text-main, #f8fafc) !important;
}
[data-theme] .writing-prompt-body blockquote,
[data-theme] .passage-box blockquote {
    background: rgba(255, 255, 255, 0.05) !important;
    border-left: 4px solid var(--primary) !important;
    color: var(--text-main, #f8fafc) !important;
}
[data-theme] .writing-prompt-body hr,
[data-theme] .passage-box hr {
    border-top-color: var(--border-color) !important;
}
[data-theme] mark.hl-mark {
    border-radius: 4px;
    padding: 2px 5px;
}
[data-theme] mark.hl-mark * {
    color: inherit !important;
}
[data-theme] textarea.form-control {
    background: rgba(0, 0, 0, 0.25) !important;
    border-color: var(--border-color) !important;
    color: var(--text-main, #f8fafc) !important;
}
[data-theme] textarea.form-control:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px var(--glow-color, rgba(59, 130, 246, 0.35)) !important;
}
[data-theme] #questions-container input[type="text"],
[data-theme] .passage-box input[type="text"],
[data-theme] input[type="text"].ielts-input-blank {
    background: rgba(0, 0, 0, 0.25) !important;
    border-color: var(--primary) !important;
    color: var(--text-main, #f8fafc) !important;
}
[data-theme] #questions-container input[type="text"]:focus,
[data-theme] .passage-box input[type="text"]:focus,
[data-theme] input[type="text"].ielts-input-blank:focus {
    border-color: var(--secondary, var(--primary)) !important;
    box-shadow: 0 0 0 3px var(--glow-color, rgba(59, 130, 246, 0.35)) !important;
}
[data-theme] .tfng-btn,
[data-theme] .mcq-label {
    border-color: var(--border-color) !important;
}
[data-theme] .tfng-btn.selected,
[data-theme] .mcq-label.selected {
    border-color: var(--primary) !important;
    background: rgba(255, 255, 255, 0.08) !important;
}
[data-theme] .tfng-btn.selected .mcq-bullet,
[data-theme] .mcq-bullet {
    background: var(--primary) !important;
    color: #fff !important;
}
[data-theme] .q-nav-btn.answered {
    background: var(--glow-color, rgba(59, 130, 246, 0.25)) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}

/* Reading Passage Font Size Scaling Modifiers */
.passage-box.font-sm,
.passage-box.font-sm p,
.passage-box.font-sm li,
.passage-box.font-sm div {
    font-size: 0.92rem !important;
    line-height: 1.75 !important;
}
.passage-box.font-md,
.passage-box.font-md p,
.passage-box.font-md li,
.passage-box.font-md div {
    font-size: 1.02rem !important;
    line-height: 1.85 !important;
}
.passage-box.font-lg,
.passage-box.font-lg p,
.passage-box.font-lg li,
.passage-box.font-lg div {
    font-size: 1.18rem !important;
    line-height: 1.95 !important;
}

.practice-font-size-ctrl {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.12));
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    overflow: hidden;
}
.practice-font-size-ctrl button {
    background: transparent;
    border: none;
    color: var(--text-main, #e2e8f0);
    padding: 6px 10px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.practice-font-size-ctrl button:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}
.practice-font-size-ctrl .font-indicator {
    padding: 0 4px;
    font-size: 0.72rem;
    color: var(--text-muted, #94a3b8);
    font-weight: 600;
    user-select: none;
}

/* ==========================================================================
   THEME PALETTES
   ========================================================================== */

/* 🌌 Cobalt Midnight (Default) */
:root[data-theme="default"],
body[data-theme="default"],
html[data-theme="default"] {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-hover: #3b82f6;
    --secondary: #3b82f6;
    --accent: #8b5cf6;
    --p: #2563eb;
    --pd: #1d4ed8;
    --ac: #8b5cf6;
    --bg-start: #0f172a;
    --bg-end: #1e293b;
    --bg-dark: #0f172a;
    --bg: #0f172a;
    --cv: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-card-hover: rgba(51, 65, 85, 0.8);
    --card: #1e293b;
    --card-bg: #1e293b;
    --wbg: #1e293b;
    --bg-panel-left: #0f172a;
    --bg-panel-right: #1e293b;
    --border-color: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.08);
    --bd: rgba(255, 255, 255, 0.08);
    --glow-color: rgba(37, 99, 235, 0.35);
}

/* 🌸 Hello Kitty / Sakura Pastel */
:root[data-theme="hello-kitty"],
body[data-theme="hello-kitty"],
html[data-theme="hello-kitty"] {
    --primary: #f43f5e;
    --primary-dark: #e11d48;
    --primary-hover: #fb7185;
    --secondary: #fb7185;
    --accent: #fda4af;
    --p: #f43f5e;
    --pd: #e11d48;
    --ac: #fda4af;
    --bg-start: #1c0f17;
    --bg-end: #2d1424;
    --bg-dark: #1c0f17;
    --bg: #1c0f17;
    --cv: #1c0f17;
    --bg-card: rgba(43, 20, 36, 0.75);
    --bg-card-hover: rgba(61, 28, 51, 0.85);
    --card: #2b1424;
    --card-bg: #2b1424;
    --wbg: #2b1424;
    --bg-panel-left: #1c0f17;
    --bg-panel-right: #2d1424;
    --border-color: rgba(244, 63, 94, 0.22);
    --card-border: rgba(244, 63, 94, 0.22);
    --bd: rgba(244, 63, 94, 0.22);
    --glow-color: rgba(244, 63, 94, 0.35);
}

/* 💜 Dracula / Neon Violet */
:root[data-theme="dracula"],
body[data-theme="dracula"],
html[data-theme="dracula"] {
    --primary: #a855f7;
    --primary-dark: #9333ea;
    --primary-hover: #c084fc;
    --secondary: #c084fc;
    --accent: #e879f9;
    --p: #a855f7;
    --pd: #9333ea;
    --ac: #e879f9;
    --bg-start: #0e0a1a;
    --bg-end: #1e1338;
    --bg-dark: #0e0a1a;
    --bg: #0e0a1a;
    --cv: #0e0a1a;
    --bg-card: rgba(30, 19, 56, 0.75);
    --bg-card-hover: rgba(45, 29, 82, 0.85);
    --card: #1e1338;
    --card-bg: #1e1338;
    --wbg: #1e1338;
    --bg-panel-left: #0e0a1a;
    --bg-panel-right: #1e1338;
    --border-color: rgba(168, 85, 247, 0.22);
    --card-border: rgba(168, 85, 247, 0.22);
    --bd: rgba(168, 85, 247, 0.22);
    --glow-color: rgba(168, 85, 247, 0.35);
}

/* ⚡ Cyberpunk Neon */
:root[data-theme="cyberpunk"],
body[data-theme="cyberpunk"],
html[data-theme="cyberpunk"] {
    --primary: #06b6d4;
    --primary-dark: #0891b2;
    --primary-hover: #22d3ee;
    --secondary: #38bdf8;
    --accent: #facc15;
    --p: #06b6d4;
    --pd: #0891b2;
    --ac: #facc15;
    --bg-start: #080d1a;
    --bg-end: #0f172a;
    --bg-dark: #080d1a;
    --bg: #080d1a;
    --cv: #080d1a;
    --bg-card: rgba(15, 23, 42, 0.8);
    --bg-card-hover: rgba(24, 37, 66, 0.85);
    --card: #0f172a;
    --card-bg: #0f172a;
    --wbg: #0f172a;
    --bg-panel-left: #080d1a;
    --bg-panel-right: #0f172a;
    --border-color: rgba(6, 182, 212, 0.25);
    --card-border: rgba(6, 182, 212, 0.25);
    --bd: rgba(6, 182, 212, 0.25);
    --glow-color: rgba(6, 182, 212, 0.35);
}

/* 🍃 Emerald Forest */
:root[data-theme="emerald"],
body[data-theme="emerald"],
html[data-theme="emerald"] {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-hover: #34d399;
    --secondary: #34d399;
    --accent: #6ee7b7;
    --p: #10b981;
    --pd: #059669;
    --ac: #6ee7b7;
    --bg-start: #041a13;
    --bg-end: #092e23;
    --bg-dark: #041a13;
    --bg: #041a13;
    --cv: #041a13;
    --bg-card: rgba(9, 46, 35, 0.75);
    --bg-card-hover: rgba(14, 69, 53, 0.85);
    --card: #092e23;
    --card-bg: #092e23;
    --wbg: #092e23;
    --bg-panel-left: #041a13;
    --bg-panel-right: #092e23;
    --border-color: rgba(16, 185, 129, 0.22);
    --card-border: rgba(16, 185, 129, 0.22);
    --bd: rgba(16, 185, 129, 0.22);
    --glow-color: rgba(16, 185, 129, 0.35);
}

/* 🌅 Sunset Coral */
:root[data-theme="sunset"],
body[data-theme="sunset"],
html[data-theme="sunset"] {
    --primary: #f97316;
    --primary-dark: #ea580c;
    --primary-hover: #fb923c;
    --secondary: #fb923c;
    --accent: #fbbf24;
    --p: #f97316;
    --pd: #ea580c;
    --ac: #fbbf24;
    --bg-start: #1c0e08;
    --bg-end: #2e170d;
    --bg-dark: #1c0e08;
    --bg: #1c0e08;
    --cv: #1c0e08;
    --bg-card: rgba(46, 23, 13, 0.75);
    --bg-card-hover: rgba(69, 35, 20, 0.85);
    --card: #2e170d;
    --card-bg: #2e170d;
    --wbg: #2e170d;
    --bg-panel-left: #1c0e08;
    --bg-panel-right: #2e170d;
    --border-color: rgba(249, 115, 22, 0.22);
    --card-border: rgba(249, 115, 22, 0.22);
    --bd: rgba(249, 115, 22, 0.22);
    --glow-color: rgba(249, 115, 22, 0.35);
}

/* ❄️ Nordic Frost */
:root[data-theme="nordic"],
body[data-theme="nordic"],
html[data-theme="nordic"] {
    --primary: #38bdf8;
    --primary-dark: #0284c7;
    --primary-hover: #7dd3fc;
    --secondary: #7dd3fc;
    --accent: #a5f3fc;
    --p: #38bdf8;
    --pd: #0284c7;
    --ac: #a5f3fc;
    --bg-start: #081124;
    --bg-end: #142242;
    --bg-dark: #081124;
    --bg: #081124;
    --cv: #081124;
    --bg-card: rgba(20, 34, 66, 0.75);
    --bg-card-hover: rgba(30, 50, 97, 0.85);
    --card: #142242;
    --card-bg: #142242;
    --wbg: #142242;
    --bg-panel-left: #081124;
    --bg-panel-right: #142242;
    --border-color: rgba(56, 189, 248, 0.22);
    --card-border: rgba(56, 189, 248, 0.22);
    --bd: rgba(56, 189, 248, 0.22);
    --glow-color: rgba(56, 189, 248, 0.35);
}

/* ✨ Luxury Gold */
:root[data-theme="luxury-gold"],
body[data-theme="luxury-gold"],
html[data-theme="luxury-gold"] {
    --primary: #d97706;
    --primary-dark: #b45309;
    --primary-hover: #f59e0b;
    --secondary: #f59e0b;
    --accent: #fbbf24;
    --p: #d97706;
    --pd: #b45309;
    --ac: #fbbf24;
    --bg-start: #141108;
    --bg-end: #26210f;
    --bg-dark: #141108;
    --bg: #141108;
    --cv: #141108;
    --bg-card: rgba(38, 33, 15, 0.75);
    --bg-card-hover: rgba(59, 51, 23, 0.85);
    --card: #26210f;
    --card-bg: #26210f;
    --wbg: #26210f;
    --bg-panel-left: #141108;
    --bg-panel-right: #26210f;
    --border-color: rgba(217, 119, 6, 0.25);
    --card-border: rgba(217, 119, 6, 0.25);
    --bd: rgba(217, 119, 6, 0.25);
    --glow-color: rgba(217, 119, 6, 0.35);
}

/* 🔥 Crimson Night */
:root[data-theme="crimson"],
body[data-theme="crimson"],
html[data-theme="crimson"] {
    --primary: #ef4444;
    --primary-dark: #dc2626;
    --primary-hover: #f87171;
    --secondary: #f87171;
    --accent: #fca5a5;
    --p: #ef4444;
    --pd: #dc2626;
    --ac: #fca5a5;
    --bg-start: #1c0808;
    --bg-end: #2d1010;
    --bg-dark: #1c0808;
    --bg: #1c0808;
    --cv: #1c0808;
    --bg-card: rgba(45, 16, 16, 0.75);
    --bg-card-hover: rgba(69, 25, 25, 0.85);
    --card: #2d1010;
    --card-bg: #2d1010;
    --wbg: #2d1010;
    --bg-panel-left: #1c0808;
    --bg-panel-right: #2d1010;
    --border-color: rgba(239, 68, 68, 0.22);
    --card-border: rgba(239, 68, 68, 0.22);
    --bd: rgba(239, 68, 68, 0.22);
    --glow-color: rgba(239, 68, 68, 0.35);
}

/* 📖 Paper Sepia (Warm Reading Room) */
:root[data-theme="sepia"],
body[data-theme="sepia"],
html[data-theme="sepia"] {
    --primary: #b45309;
    --primary-dark: #92400e;
    --primary-hover: #d97706;
    --secondary: #d97706;
    --accent: #f59e0b;
    --p: #b45309;
    --pd: #92400e;
    --ac: #f59e0b;
    --bg-start: #f8eedb;
    --bg-end: #efe3cb;
    --bg-dark: #f5ebd5;
    --bg: #f8eedb;
    --cv: #f8eedb;
    --text-main: #291809;
    --text-muted: #6b553e;
    --bg-card: #fdf6e9;
    --bg-card-hover: #faefdb;
    --card: #fdf6e9;
    --card-bg: #fdf6e9;
    --wbg: #fdf6e9;
    --bg-panel-left: #fbf0dc;
    --bg-panel-right: #f5e8d0;
    --border-color: rgba(180, 83, 9, 0.25);
    --card-border: rgba(180, 83, 9, 0.25);
    --bd: rgba(180, 83, 9, 0.25);
    --glow-color: rgba(180, 83, 9, 0.25);
}
[data-theme="sepia"] body,
[data-theme="sepia"] .passage-box,
[data-theme="sepia"] .pane,
[data-theme="sepia"] .q-card,
[data-theme="sepia"] p,
[data-theme="sepia"] div {
    color: #2b1809 !important;
}
[data-theme="sepia"] .practice-nav,
[data-theme="sepia"] .part-switcher-bar {
    background: #fbf0dc !important;
    border-color: rgba(180, 83, 9, 0.2) !important;
    box-shadow: 0 2px 10px rgba(41, 24, 9, 0.05) !important;
}
[data-theme="sepia"] .practice-nav h2,
[data-theme="sepia"] .practice-nav h1,
[data-theme="sepia"] .practice-nav h3,
[data-theme="sepia"] .practice-nav span,
[data-theme="sepia"] .nav-title h2,
[data-theme="sepia"] .nav-title span {
    color: #291809 !important;
}
[data-theme="sepia"] .btn-secondary,
[data-theme="sepia"] .part-tab-btn:not(.active),
[data-theme="sepia"] .practice-font-size-ctrl {
    background: #fdf6e9 !important;
    color: #291809 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
}
[data-theme="sepia"] .btn-secondary:hover,
[data-theme="sepia"] .part-tab-btn:not(.active):hover {
    background: #faefdb !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .practice-font-size-ctrl button {
    color: #291809 !important;
}
[data-theme="sepia"] .practice-font-size-ctrl button:hover {
    background: #faefdb !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .practice-font-size-ctrl .font-indicator {
    color: #6b553e !important;
}
[data-theme="sepia"] .portal-user-chip {
    background: #fdf6e9 !important;
    border-color: rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .portal-user-name {
    color: #291809 !important;
}
[data-theme="sepia"] .passage-box h2,
[data-theme="sepia"] .passage-box h3,
[data-theme="sepia"] strong,
[data-theme="sepia"] b,
[data-theme="sepia"] h1,
[data-theme="sepia"] h2,
[data-theme="sepia"] h3,
[data-theme="sepia"] h4,
[data-theme="sepia"] label {
    color: #1a0f05 !important;
}
[data-theme="sepia"] .passage-box {
    background: transparent !important;
    border: none !important;
    color: #291809 !important;
}
[data-theme="sepia"] .passage-box h1,
[data-theme="sepia"] .passage-box h2,
[data-theme="sepia"] .passage-box h3,
[data-theme="sepia"] .passage-box h4,
[data-theme="sepia"] .passage-box h5,
[data-theme="sepia"] .passage-box h6,
[data-theme="sepia"] .passage-box strong,
[data-theme="sepia"] .passage-box b {
    color: #1a0f05 !important;
}
[data-theme="sepia"] .passage-box h2 {
    border-bottom-color: rgba(180, 83, 9, 0.25) !important;
}
[data-theme="sepia"] .passage-box p,
[data-theme="sepia"] .passage-box li,
[data-theme="sepia"] .passage-box td,
[data-theme="sepia"] .passage-box div:not(.writing-prompt-card) {
    color: #291809 !important;
}
[data-theme="sepia"] .writing-prompt-card {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.22) !important;
    box-shadow: 0 4px 18px rgba(41, 24, 9, 0.05) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .writing-prompt-title.t1-title {
    color: #b45309 !important;
}
[data-theme="sepia"] .writing-prompt-title.t2-title {
    color: #7c2d12 !important;
}
[data-theme="sepia"] .writing-prompt-body,
[data-theme="sepia"] .writing-prompt-body p,
[data-theme="sepia"] .writing-prompt-body div,
[data-theme="sepia"] .writing-prompt-body li {
    color: #291809 !important;
}
[data-theme="sepia"] .writing-prompt-body h1,
[data-theme="sepia"] .writing-prompt-body h2,
[data-theme="sepia"] .writing-prompt-body h3,
[data-theme="sepia"] .writing-prompt-body h4,
[data-theme="sepia"] .writing-prompt-body h5,
[data-theme="sepia"] .writing-prompt-body h6,
[data-theme="sepia"] .writing-prompt-body strong,
[data-theme="sepia"] .writing-prompt-body b {
    color: #1a0f05 !important;
}
[data-theme="sepia"] .passage-box blockquote,
[data-theme="sepia"] .writing-prompt-body blockquote {
    background: #f7eedb !important;
    border-left: 4px solid #b45309 !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .passage-box hr,
[data-theme="sepia"] .writing-prompt-body hr {
    border-top-color: rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .passage-box th,
[data-theme="sepia"] .writing-prompt-body th {
    background: #f5e8d0 !important;
    color: #1a0f05 !important;
    border-color: rgba(180, 83, 9, 0.22) !important;
}
[data-theme="sepia"] .passage-box td,
[data-theme="sepia"] .writing-prompt-body td {
    border-color: rgba(180, 83, 9, 0.18) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .review-feedback-box {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .writing-target-badge {
    background: rgba(180, 83, 9, 0.12) !important;
    color: #92400e !important;
    border-color: rgba(180, 83, 9, 0.3) !important;
}
[data-theme="sepia"] .writing-target-badge.reached {
    background: rgba(16, 185, 129, 0.12) !important;
    color: #065f46 !important;
    border-color: rgba(16, 185, 129, 0.3) !important;
}
[data-theme="sepia"] input[type="text"],
[data-theme="sepia"] textarea,
[data-theme="sepia"] select {
    background: #fffdf8 !important;
    color: #2b1809 !important;
    border-color: #b45309 !important;
}
[data-theme="sepia"] .q-card,
[data-theme="sepia"] .q-nav-card,
[data-theme="sepia"] .drawer {
    background: #fdf6e9 !important;
    border-color: rgba(180, 83, 9, 0.2) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .adv-audio-player-card {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.22) !important;
    box-shadow: 0 8px 24px rgba(41, 24, 9, 0.05) !important;
}
[data-theme="sepia"] .adv-audio-track-title {
    color: #1a0f05 !important;
}
[data-theme="sepia"] .adv-audio-track-subtitle {
    color: #6b553e !important;
}
[data-theme="sepia"] .adv-speed-pill-group,
[data-theme="sepia"] .adv-audio-waveform-container,
[data-theme="sepia"] .adv-audio-time-display,
[data-theme="sepia"] .adv-volume-group {
    background: #f5e8d0 !important;
    border-color: rgba(180, 83, 9, 0.2) !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .adv-btn-transcript {
    background: #f7eedb !important;
    border-color: rgba(180, 83, 9, 0.35) !important;
    color: #b45309 !important;
}
[data-theme="sepia"] .q-nav-title,
[data-theme="sepia"] .q-nav-legend {
    color: #291809 !important;
}
[data-theme="sepia"] .q-nav-btn {
    background: #fbf0dc !important;
    border-color: rgba(180, 83, 9, 0.25) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .q-nav-btn:hover {
    background: #f5e8d0 !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .q-nav-btn.answered {
    background: #b45309 !important;
    border-color: #92400e !important;
    color: #ffffff !important;
}
[data-theme="sepia"] .tfng-btn,
[data-theme="sepia"] .mcq-label {
    background: #fdf6e9 !important;
    border-color: rgba(180, 83, 9, 0.25) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .tfng-btn:hover,
[data-theme="sepia"] .mcq-label:hover {
    background: #faefdb !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .tfng-btn.selected,
[data-theme="sepia"] .mcq-label.selected {
    background: #faebd7 !important;
    border-color: #b45309 !important;
    color: #92400e !important;
}

/* Text Highlighter Sepia Overrides */
[data-theme="sepia"] mark.hl-yellow,
[data-theme="sepia"] mark.hl-yellow * {
    background-color: #fef08a !important;
    color: #451a03 !important;
    border-color: #eab308 !important;
}
[data-theme="sepia"] mark.hl-green,
[data-theme="sepia"] mark.hl-green * {
    background-color: #bbf7d0 !important;
    color: #064e3b !important;
    border-color: #22c55e !important;
}
[data-theme="sepia"] mark.hl-cyan,
[data-theme="sepia"] mark.hl-cyan * {
    background-color: #bae6fd !important;
    color: #0c4a6e !important;
    border-color: #0ea5e9 !important;
}
[data-theme="sepia"] mark.hl-pink,
[data-theme="sepia"] mark.hl-pink * {
    background-color: #fbcfe8 !important;
    color: #701a75 !important;
    border-color: #ec4899 !important;
}
[data-theme="sepia"] #hl-popover {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    box-shadow: 0 10px 30px rgba(41, 24, 9, 0.15) !important;
}
[data-theme="sepia"] .hl-action-btn {
    background: rgba(180, 83, 9, 0.1) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .hl-action-btn:hover {
    background: rgba(239, 68, 68, 0.15) !important;
    color: #b91c1c !important;
}
[data-theme="sepia"] .btn-hl-active {
    border-color: #d97706 !important;
    color: #92400e !important;
    background: #fef3c7 !important;
}

/* vocab.php Sepia Overrides */
[data-theme="sepia"] .vocab-nav {
    background: #fbf0dc !important;
    border-bottom: 1px solid rgba(180, 83, 9, 0.2) !important;
    box-shadow: 0 2px 10px rgba(41, 24, 9, 0.05) !important;
}
[data-theme="sepia"] .vocab-nav .brand-title {
    color: #291809 !important;
}
[data-theme="sepia"] .vocab-nav .brand-subtitle {
    color: #6b553e !important;
}
[data-theme="sepia"] .vocab-nav .btn-nav {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .vocab-nav .btn-nav:hover {
    background: #faefdb !important;
    color: #1a0f05 !important;
    border-color: #b45309 !important;
}
[data-theme="sepia"] .hero-banner {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    box-shadow: 0 4px 16px rgba(41, 24, 9, 0.05) !important;
}
[data-theme="sepia"] .hero-text h1 {
    background: none !important;
    -webkit-text-fill-color: initial !important;
    color: #291809 !important;
}
[data-theme="sepia"] .hero-text p {
    color: #6b553e !important;
}
[data-theme="sepia"] .tabs-header {
    border-bottom-color: rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .tab-btn:not(.active) {
    color: #6b553e !important;
}
[data-theme="sepia"] .tab-btn:not(.active):hover {
    background: #faefdb !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .topic-pill:not(.active),
[data-theme="sepia"] .diff-pill:not(.active),
[data-theme="sepia"] .diff-quiz-pill:not(.active) {
    background: #fdf6e9 !important;
    border-color: rgba(180, 83, 9, 0.25) !important;
    color: #432810 !important;
}
[data-theme="sepia"] .topic-pill:not(.active):hover,
[data-theme="sepia"] .diff-pill:not(.active):hover,
[data-theme="sepia"] .diff-quiz-pill:not(.active):hover {
    background: #faefdb !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .flashcard-front,
[data-theme="sepia"] .flashcard-back {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.22) !important;
    box-shadow: 0 10px 30px rgba(41, 24, 9, 0.08) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .flashcard-back * {
    color: #291809;
}
[data-theme="sepia"] .flashcard-back .card-def-title {
    color: #854d0e !important;
}
[data-theme="sepia"] .flashcard-back .card-def-text {
    color: #291809 !important;
}
[data-theme="sepia"] .card-word {
    color: #291809 !important;
}
[data-theme="sepia"] .card-phonetic-wrap {
    background: #faefdb !important;
    color: #6b553e !important;
}
[data-theme="sepia"] .collocations-box {
    background: #fbf0dc !important;
    border: 1px solid rgba(180, 83, 9, 0.15) !important;
}
[data-theme="sepia"] .colloc-item {
    background: #faebd7 !important;
    color: #92400e !important;
}
[data-theme="sepia"] .example-box {
    background: #fbf0dc !important;
    color: #432810 !important;
    border-left: 3px solid #b45309 !important;
    padding: 10px 14px !important;
    border-radius: 6px !important;
}
[data-theme="sepia"] .card-vn-box {
    background: #fbf5e6 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .card-vn-trans-highlight {
    color: #b45309 !important;
}
[data-theme="sepia"] .card-vn-def-text {
    color: #432810 !important;
}
[data-theme="sepia"] .flashcard-back strong {
    color: #291809 !important;
}
[data-theme="sepia"] .flashcard-back span {
    color: #573010;
}
[data-theme="sepia"] .srs-status-bar {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .srs-complete-card {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
    box-shadow: 0 10px 30px rgba(41, 24, 9, 0.08) !important;
}
[data-theme="sepia"] .srs-complete-card h2 {
    color: #291809 !important;
}
[data-theme="sepia"] .diag-wrapper {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
    box-shadow: 0 4px 20px rgba(41, 24, 9, 0.06) !important;
}
[data-theme="sepia"] .diag-header h2 {
    color: #291809 !important;
}
[data-theme="sepia"] .q-text {
    color: #291809 !important;
}
[data-theme="sepia"] .option-label {
    background: #fbf0dc !important;
    border-color: rgba(180, 83, 9, 0.2) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .option-label:hover {
    background: #faefdb !important;
    border-color: #b45309 !important;
}
[data-theme="sepia"] .game-bar {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .game-metric {
    color: #291809 !important;
}
[data-theme="sepia"] .tile-card {
    background: #fdf6e9 !important;
    border: 2px solid rgba(180, 83, 9, 0.2) !important;
    color: #291809 !important;
    box-shadow: 0 2px 8px rgba(41, 24, 9, 0.04) !important;
}
[data-theme="sepia"] .tile-card:hover {
    background: #faefdb !important;
    border-color: #b45309 !important;
}
[data-theme="sepia"] .elevation-hero-card {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    box-shadow: 0 4px 20px rgba(41, 24, 9, 0.06) !important;
}
[data-theme="sepia"] .elevation-hero-title {
    color: #291809 !important;
}
[data-theme="sepia"] .elevation-hero-sub {
    color: #6b553e !important;
}
[data-theme="sepia"] .elevation-nav-bar {
    background: #fbf0dc !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .elevation-nav-btn:not(.active) {
    color: #6b553e !important;
}
[data-theme="sepia"] .elevation-nav-btn:not(.active):hover {
    color: #1a0f05 !important;
    background: #fdf6e9 !important;
}
[data-theme="sepia"] .transform-card,
[data-theme="sepia"] .drill-question-card {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
    box-shadow: 0 2px 10px rgba(41, 24, 9, 0.04) !important;
}
[data-theme="sepia"] .sentence-display-box {
    background: #fbf0dc !important;
    border-color: rgba(180, 83, 9, 0.2) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .pillar-word-card {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .pillar-word-title {
    color: #291809 !important;
}
[data-theme="sepia"] .arena-score-bar,
[data-theme="sepia"] .chunk-game-board {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .arena-stat-val {
    color: #291809 !important;
}
[data-theme="sepia"] .drill-option-btn {
    background: #fbf0dc !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .drill-option-btn:hover {
    background: #faefdb !important;
    color: #1a0f05 !important;
}

/* ==========================================================================
   Sepia: Admin Panel Overrides
   ========================================================================== */
[data-theme="sepia"] .dash-header {
    background: #fbf0dc !important;
    border-bottom: 1px solid rgba(180, 83, 9, 0.2) !important;
    box-shadow: 0 2px 10px rgba(41, 24, 9, 0.04) !important;
}
[data-theme="sepia"] .dash-header .brand-title,
[data-theme="sepia"] .brand-title {
    color: #291809 !important;
}
[data-theme="sepia"] .dash-header .brand-subtitle {
    color: #6b553e !important;
}

/* Sidebar & Tabs */
[data-theme="sepia"] .sidebar {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
    border-radius: 18px;
    padding: 12px;
    box-shadow: 0 4px 16px rgba(41, 24, 9, 0.03) !important;
}
[data-theme="sepia"] .sidebar .tab-btn,
[data-theme="sepia"] .tab-btn {
    color: #6b553e !important;
}
[data-theme="sepia"] .sidebar .tab-btn:hover,
[data-theme="sepia"] .tab-btn:hover {
    background: #faefdb !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .sidebar .tab-btn.active,
[data-theme="sepia"] .tab-btn.active {
    background: #faebd7 !important;
    color: #b45309 !important;
    font-weight: 700 !important;
    box-shadow: inset 4px 0 0 #b45309 !important;
}
[data-theme="sepia"] .sidebar .tab-btn.active i,
[data-theme="sepia"] .tab-btn.active i {
    color: #b45309 !important;
}

/* Admin Content Panel & Typography */
[data-theme="sepia"] .content-panel {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
    box-shadow: 0 4px 20px rgba(41, 24, 9, 0.04) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .content-panel .panel-title,
[data-theme="sepia"] .panel-title,
[data-theme="sepia"] .content-panel h1,
[data-theme="sepia"] .content-panel h2,
[data-theme="sepia"] .content-panel h3,
[data-theme="sepia"] .content-panel h4,
[data-theme="sepia"] .content-panel h5 {
    color: #291809 !important;
}
[data-theme="sepia"] .content-panel .panel-subtitle,
[data-theme="sepia"] .panel-subtitle {
    color: #6b553e !important;
}
[data-theme="sepia"] .content-panel strong,
[data-theme="sepia"] .content-panel b {
    color: #291809 !important;
}

/* Form Controls */
[data-theme="sepia"] .content-panel .form-label,
[data-theme="sepia"] .modal-card .form-label,
[data-theme="sepia"] .form-label {
    color: #432810 !important;
    font-weight: 700 !important;
}
[data-theme="sepia"] .form-input,
[data-theme="sepia"] .form-select,
[data-theme="sepia"] .content-panel input[type="text"],
[data-theme="sepia"] .content-panel input[type="password"],
[data-theme="sepia"] .content-panel input[type="email"],
[data-theme="sepia"] .content-panel input[type="number"],
[data-theme="sepia"] .content-panel textarea,
[data-theme="sepia"] .content-panel select,
[data-theme="sepia"] .modal-card input[type="text"],
[data-theme="sepia"] .modal-card input[type="password"],
[data-theme="sepia"] .modal-card input[type="email"],
[data-theme="sepia"] .modal-card select,
[data-theme="sepia"] .modal-card textarea {
    background: #fffdf8 !important;
    border: 1px solid rgba(180, 83, 9, 0.3) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .form-input:focus,
[data-theme="sepia"] .form-select:focus,
[data-theme="sepia"] .content-panel input:focus,
[data-theme="sepia"] .content-panel select:focus,
[data-theme="sepia"] .content-panel textarea:focus,
[data-theme="sepia"] .modal-card input:focus,
[data-theme="sepia"] .modal-card select:focus,
[data-theme="sepia"] .modal-card textarea:focus {
    border-color: #b45309 !important;
    box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.15) !important;
}
[data-theme="sepia"] .form-select option,
[data-theme="sepia"] select option {
    background: #fdf6e9 !important;
    color: #291809 !important;
}

/* Tables across Admin tabs */
[data-theme="sepia"] .list-table,
[data-theme="sepia"] .data-table,
[data-theme="sepia"] .table-container table {
    color: #291809 !important;
}
[data-theme="sepia"] .list-table th,
[data-theme="sepia"] .data-table th,
[data-theme="sepia"] .table-container table th {
    background: #fbf0dc !important;
    color: #6b553e !important;
    font-weight: 700 !important;
    border-bottom: 2px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .list-table td,
[data-theme="sepia"] .data-table td,
[data-theme="sepia"] .table-container table td {
    color: #291809 !important;
    border-bottom: 1px solid rgba(180, 83, 9, 0.12) !important;
}
[data-theme="sepia"] .list-table tr:hover td,
[data-theme="sepia"] .data-table tr:hover td,
[data-theme="sepia"] .table-container table tr:hover td {
    background: #faefdb !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .list-table tr:hover strong,
[data-theme="sepia"] .data-table tr:hover strong,
[data-theme="sepia"] .table-container table tr:hover strong {
    color: #1a0f05 !important;
}
[data-theme="sepia"] .list-table code,
[data-theme="sepia"] .data-table code {
    background: #faebd7 !important;
    color: #78350f !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}

/* Secondary & Action Buttons */
[data-theme="sepia"] .btn-secondary {
    background: #faefdb !important;
    color: #432810 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    box-shadow: none !important;
}
[data-theme="sepia"] .btn-secondary:hover {
    background: #faebd7 !important;
    color: #1a0f05 !important;
}
[data-theme="sepia"] .action-icon-btn {
    color: #854d0e !important;
}
[data-theme="sepia"] .action-icon-btn:hover {
    color: #291809 !important;
    background: #faefdb !important;
}
[data-theme="sepia"] .action-icon-btn.btn-del:hover {
    color: #dc2626 !important;
    background: #fee2e2 !important;
}

/* Modals */
[data-theme="sepia"] .modal {
    background: rgba(41, 24, 9, 0.4) !important;
}
[data-theme="sepia"] .modal-card {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    box-shadow: 0 20px 50px rgba(41, 24, 9, 0.15) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .modal-title {
    color: #291809 !important;
}
[data-theme="sepia"] .modal-close {
    color: #854d0e !important;
}
[data-theme="sepia"] .modal-close:hover {
    color: #291809 !important;
}

/* Filter toolbars, cards & stats */
[data-theme="sepia"] .admin-filter-bar {
    background: #fbf0dc !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .admin-filter-bar input[type="text"],
[data-theme="sepia"] .admin-filter-bar select {
    background: #fffdf8 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .admin-subcard {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
    box-shadow: 0 2px 10px rgba(41, 24, 9, 0.03) !important;
}
[data-theme="sepia"] .color-box {
    background: #fbf0dc !important;
    border-color: rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .color-box code {
    background: #fffdf8 !important;
    color: #78350f !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
}
[data-theme="sepia"] .color-box label {
    color: #432810 !important;
}
[data-theme="sepia"] .section-type-pill {
    background: rgba(180, 83, 9, 0.15) !important;
    color: #9a3412 !important;
}
[data-theme="sepia"] .section-type-pill.auto {
    background: rgba(124, 58, 237, 0.15) !important;
    color: #6d28d9 !important;
}
[data-theme="sepia"] .content-panel .card,
[data-theme="sepia"] .content-panel .stat-card {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .content-panel code {
    background: #fbf0dc !important;
    color: #78350f !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
}

/* Sepia: Theme Chooser Modal & Header Button Overrides */
[data-theme="sepia"] .portal-theme-btn {
    background: #fbf0dc !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    color: #432810 !important;
}
[data-theme="sepia"] .portal-theme-btn:hover {
    background: #faebd7 !important;
    color: #1a0f05 !important;
    border-color: #b45309 !important;
}
[data-theme="sepia"] .portal-theme-modal-overlay {
    background: rgba(41, 24, 9, 0.5) !important;
}
[data-theme="sepia"] .portal-theme-modal-card {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    box-shadow: 0 25px 60px -15px rgba(41, 24, 9, 0.2), 0 10px 25px -5px rgba(41, 24, 9, 0.1) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .portal-theme-modal-header {
    border-bottom: 1px solid rgba(180, 83, 9, 0.15) !important;
}
[data-theme="sepia"] .portal-theme-modal-title {
    color: #291809 !important;
}
[data-theme="sepia"] .portal-theme-modal-subtitle {
    color: #6b553e !important;
}
[data-theme="sepia"] .portal-theme-close-btn {
    background: #fbf0dc !important;
    border: 1px solid rgba(180, 83, 9, 0.2) !important;
    color: #854d0e !important;
}
[data-theme="sepia"] .portal-theme-close-btn:hover {
    background: #fee2e2 !important;
    color: #dc2626 !important;
    border-color: rgba(220, 38, 38, 0.3) !important;
}
[data-theme="sepia"] .portal-theme-card {
    background: #fbf0dc !important;
    border: 1.5px solid rgba(180, 83, 9, 0.2) !important;
    box-shadow: 0 2px 6px rgba(41, 24, 9, 0.04) !important;
}
[data-theme="sepia"] .portal-theme-card:hover {
    background: #fdf6e9 !important;
    border-color: #b45309 !important;
    box-shadow: 0 4px 14px rgba(180, 83, 9, 0.12) !important;
}
[data-theme="sepia"] .portal-theme-card.active {
    background: #faebd7 !important;
    border-color: #b45309 !important;
    box-shadow: 0 0 0 2px rgba(180, 83, 9, 0.3), 0 4px 16px rgba(180, 83, 9, 0.15) !important;
}
[data-theme="sepia"] .portal-theme-card .theme-swatch {
    border: 1.5px solid rgba(180, 83, 9, 0.3) !important;
}
[data-theme="sepia"] .portal-theme-card .theme-name {
    color: #291809 !important;
    font-weight: 700 !important;
}
[data-theme="sepia"] .portal-theme-card.active .theme-name {
    color: #b45309 !important;
    font-weight: 800 !important;
}
[data-theme="sepia"] .portal-theme-card .theme-desc {
    color: #6b553e !important;
}
[data-theme="sepia"] .portal-theme-card.active .theme-desc {
    color: #92400e !important;
    font-weight: 600 !important;
}
[data-theme="sepia"] .portal-theme-modal-footer {
    border-top: 1px solid rgba(180, 83, 9, 0.15) !important;
}
[data-theme="sepia"] .portal-theme-btn-reset {
    background: #fbf0dc !important;
    border: 1px solid rgba(180, 83, 9, 0.25) !important;
    color: #432810 !important;
}
[data-theme="sepia"] .portal-theme-btn-reset:hover {
    background: #faefdb !important;
    color: #1a0f05 !important;
    border-color: #b45309 !important;
}
[data-theme="sepia"] .portal-theme-btn-done {
    background: #b45309 !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: 0 4px 14px rgba(180, 83, 9, 0.3) !important;
}
[data-theme="sepia"] .portal-theme-btn-done:hover {
    background: #92400e !important;
}


/* ☀️ Clean Light (Daytime Minimalist) */
:root[data-theme="clean-light"],
body[data-theme="clean-light"],
html[data-theme="clean-light"] {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-hover: #3b82f6;
    --secondary: #3b82f6;
    --accent: #6366f1;
    --p: #2563eb;
    --pd: #1d4ed8;
    --ac: #6366f1;
    --bg-start: #f8fafc;
    --bg-end: #edf2f7;
    --bg-dark: #f8fafc;
    --bg: #f8fafc;
    --cv: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --card: #ffffff;
    --card-bg: #ffffff;
    --wbg: #ffffff;
    --bg-panel-left: #ffffff;
    --bg-panel-right: #f8fafc;
    --border-color: rgba(15, 23, 42, 0.12);
    --card-border: rgba(15, 23, 42, 0.12);
    --bd: rgba(15, 23, 42, 0.12);
    --glow-color: rgba(37, 99, 235, 0.2);
}
[data-theme="clean-light"] body,
[data-theme="clean-light"] .passage-box,
[data-theme="clean-light"] .pane,
[data-theme="clean-light"] .q-card,
[data-theme="clean-light"] p,
[data-theme="clean-light"] div {
    color: #1e293b !important;
}
[data-theme="clean-light"] .practice-nav,
[data-theme="clean-light"] .part-switcher-bar {
    background: #ffffff !important;
    border-color: rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05) !important;
}
[data-theme="clean-light"] .practice-nav h2,
[data-theme="clean-light"] .practice-nav h1,
[data-theme="clean-light"] .practice-nav h3,
[data-theme="clean-light"] .practice-nav span,
[data-theme="clean-light"] .nav-title h2,
[data-theme="clean-light"] .nav-title span {
    color: #0f172a !important;
}
[data-theme="clean-light"] .btn-secondary,
[data-theme="clean-light"] .part-tab-btn:not(.active),
[data-theme="clean-light"] .practice-font-size-ctrl {
    background: #ffffff !important;
    color: #334155 !important;
    border: 1px solid rgba(15, 23, 42, 0.15) !important;
}
[data-theme="clean-light"] .btn-secondary:hover,
[data-theme="clean-light"] .part-tab-btn:not(.active):hover {
    background: #f1f5f9 !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .practice-font-size-ctrl button {
    color: #334155 !important;
}
[data-theme="clean-light"] .practice-font-size-ctrl button:hover {
    background: #f1f5f9 !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .practice-font-size-ctrl .font-indicator {
    color: #64748b !important;
}
[data-theme="clean-light"] .portal-user-chip {
    background: #f8fafc !important;
    border-color: rgba(15, 23, 42, 0.12) !important;
}
[data-theme="clean-light"] .portal-user-name {
    color: #0f172a !important;
}
[data-theme="clean-light"] .passage-box h2,
[data-theme="clean-light"] .passage-box h3,
[data-theme="clean-light"] strong,
[data-theme="clean-light"] b,
[data-theme="clean-light"] h1,
[data-theme="clean-light"] h2,
[data-theme="clean-light"] h3,
[data-theme="clean-light"] h4,
[data-theme="clean-light"] label {
    color: #0f172a !important;
}
[data-theme="clean-light"] .passage-box {
    background: transparent !important;
    border: none !important;
    color: #1e293b !important;
}
[data-theme="clean-light"] .passage-box h1,
[data-theme="clean-light"] .passage-box h2,
[data-theme="clean-light"] .passage-box h3,
[data-theme="clean-light"] .passage-box h4,
[data-theme="clean-light"] .passage-box h5,
[data-theme="clean-light"] .passage-box h6,
[data-theme="clean-light"] .passage-box strong,
[data-theme="clean-light"] .passage-box b {
    color: #0f172a !important;
}
[data-theme="clean-light"] .passage-box h2 {
    border-bottom-color: rgba(37, 99, 235, 0.2) !important;
}
[data-theme="clean-light"] .passage-box p,
[data-theme="clean-light"] .passage-box li,
[data-theme="clean-light"] .passage-box td,
[data-theme="clean-light"] .passage-box div:not(.writing-prompt-card) {
    color: #1e293b !important;
}
[data-theme="clean-light"] .writing-prompt-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05) !important;
    color: #1e293b !important;
}
[data-theme="clean-light"] .writing-prompt-title.t1-title {
    color: #2563eb !important;
}
[data-theme="clean-light"] .writing-prompt-title.t2-title {
    color: #7c3aed !important;
}
[data-theme="clean-light"] .writing-prompt-body,
[data-theme="clean-light"] .writing-prompt-body p,
[data-theme="clean-light"] .writing-prompt-body div,
[data-theme="clean-light"] .writing-prompt-body li {
    color: #1e293b !important;
}
[data-theme="clean-light"] .writing-prompt-body h1,
[data-theme="clean-light"] .writing-prompt-body h2,
[data-theme="clean-light"] .writing-prompt-body h3,
[data-theme="clean-light"] .writing-prompt-body h4,
[data-theme="clean-light"] .writing-prompt-body h5,
[data-theme="clean-light"] .writing-prompt-body h6,
[data-theme="clean-light"] .writing-prompt-body strong,
[data-theme="clean-light"] .writing-prompt-body b {
    color: #0f172a !important;
}
[data-theme="clean-light"] .passage-box blockquote,
[data-theme="clean-light"] .writing-prompt-body blockquote {
    background: #eff6ff !important;
    border-left: 4px solid #2563eb !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .passage-box hr,
[data-theme="clean-light"] .writing-prompt-body hr {
    border-top-color: rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .passage-box th,
[data-theme="clean-light"] .writing-prompt-body th {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    border-color: rgba(15, 23, 42, 0.12) !important;
}
[data-theme="clean-light"] .passage-box td,
[data-theme="clean-light"] .writing-prompt-body td {
    border-color: rgba(15, 23, 42, 0.1) !important;
    color: #1e293b !important;
}
[data-theme="clean-light"] .review-feedback-box {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    color: #1e293b !important;
}
[data-theme="clean-light"] .writing-target-badge {
    background: rgba(245, 158, 11, 0.12) !important;
    color: #b45309 !important;
    border-color: rgba(245, 158, 11, 0.3) !important;
}
[data-theme="clean-light"] .writing-target-badge.reached {
    background: rgba(16, 185, 129, 0.12) !important;
    color: #059669 !important;
    border-color: rgba(16, 185, 129, 0.3) !important;
}
[data-theme="clean-light"] input[type="text"],
[data-theme="clean-light"] textarea,
[data-theme="clean-light"] select {
    background: #ffffff !important;
    color: #0f172a !important;
    border-color: #cbd5e1 !important;
}
[data-theme="clean-light"] textarea.form-control:focus {
    border-color: #2563eb !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18) !important;
}
[data-theme="clean-light"] .q-card,
[data-theme="clean-light"] .q-nav-card,
[data-theme="clean-light"] .drawer {
    background: #ffffff !important;
    border-color: rgba(15, 23, 42, 0.1) !important;
    color: #1e293b !important;
}
[data-theme="clean-light"] .adv-audio-player-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06) !important;
}
[data-theme="clean-light"] .adv-audio-track-title {
    color: #0f172a !important;
}
[data-theme="clean-light"] .adv-audio-track-subtitle {
    color: #64748b !important;
}
[data-theme="clean-light"] .adv-speed-pill-group,
[data-theme="clean-light"] .adv-audio-waveform-container,
[data-theme="clean-light"] .adv-audio-time-display,
[data-theme="clean-light"] .adv-volume-group {
    background: #f1f5f9 !important;
    border-color: rgba(15, 23, 42, 0.1) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .adv-btn-transcript {
    background: #eff6ff !important;
    border-color: rgba(37, 99, 235, 0.3) !important;
    color: #2563eb !important;
}
[data-theme="clean-light"] .q-nav-title,
[data-theme="clean-light"] .q-nav-legend {
    color: #334155 !important;
}
[data-theme="clean-light"] .q-nav-btn {
    background: #f8fafc !important;
    border-color: rgba(15, 23, 42, 0.15) !important;
    color: #334155 !important;
}
[data-theme="clean-light"] .q-nav-btn:hover {
    background: #e2e8f0 !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .q-nav-btn.answered {
    background: #2563eb !important;
    border-color: #1d4ed8 !important;
    color: #ffffff !important;
}
[data-theme="clean-light"] .tfng-btn,
[data-theme="clean-light"] .mcq-label {
    background: #ffffff !important;
    border-color: rgba(15, 23, 42, 0.15) !important;
    color: #1e293b !important;
}
[data-theme="clean-light"] .tfng-btn:hover,
[data-theme="clean-light"] .mcq-label:hover {
    background: #f8fafc !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .tfng-btn.selected,
[data-theme="clean-light"] .mcq-label.selected {
    background: #eff6ff !important;
    border-color: #2563eb !important;
    color: #1d4ed8 !important;
}

/* Text Highlighter Clean Light Overrides */
[data-theme="clean-light"] mark.hl-yellow,
[data-theme="clean-light"] mark.hl-yellow * {
    background-color: #fef08a !important;
    color: #451a03 !important;
    border-color: #eab308 !important;
}
[data-theme="clean-light"] mark.hl-green,
[data-theme="clean-light"] mark.hl-green * {
    background-color: #bbf7d0 !important;
    color: #064e3b !important;
    border-color: #22c55e !important;
}
[data-theme="clean-light"] mark.hl-cyan,
[data-theme="clean-light"] mark.hl-cyan * {
    background-color: #bae6fd !important;
    color: #0c4a6e !important;
    border-color: #0ea5e9 !important;
}
[data-theme="clean-light"] mark.hl-pink,
[data-theme="clean-light"] mark.hl-pink * {
    background-color: #fbcfe8 !important;
    color: #701a75 !important;
    border-color: #ec4899 !important;
}
[data-theme="clean-light"] #hl-popover {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.15) !important;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15) !important;
}
[data-theme="clean-light"] .hl-action-btn {
    background: rgba(15, 23, 42, 0.08) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .hl-action-btn:hover {
    background: rgba(239, 68, 68, 0.15) !important;
    color: #dc2626 !important;
}
[data-theme="clean-light"] .btn-hl-active {
    border-color: #ca8a04 !important;
    color: #854d0e !important;
    background: #fef9c3 !important;
}

/* vocab.php Clean Light Overrides */
[data-theme="clean-light"] .vocab-nav {
    background: #ffffff !important;
    border-bottom: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05) !important;
}
[data-theme="clean-light"] .vocab-nav .brand-title {
    color: #0f172a !important;
}
[data-theme="clean-light"] .vocab-nav .brand-subtitle {
    color: #64748b !important;
}
[data-theme="clean-light"] .vocab-nav .btn-nav {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.15) !important;
    color: #334155 !important;
}
[data-theme="clean-light"] .vocab-nav .btn-nav:hover {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    border-color: #2563eb !important;
}
[data-theme="clean-light"] .hero-banner {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05) !important;
}
[data-theme="clean-light"] .hero-text h1 {
    background: none !important;
    -webkit-text-fill-color: initial !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .hero-text p {
    color: #475569 !important;
}
[data-theme="clean-light"] .tabs-header {
    border-bottom-color: rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .tab-btn:not(.active) {
    color: #64748b !important;
}
[data-theme="clean-light"] .tab-btn:not(.active):hover {
    background: #f1f5f9 !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .topic-pill:not(.active),
[data-theme="clean-light"] .diff-pill:not(.active),
[data-theme="clean-light"] .diff-quiz-pill:not(.active) {
    background: #ffffff !important;
    border-color: rgba(15, 23, 42, 0.15) !important;
    color: #475569 !important;
}
[data-theme="clean-light"] .topic-pill:not(.active):hover,
[data-theme="clean-light"] .diff-pill:not(.active):hover,
[data-theme="clean-light"] .diff-quiz-pill:not(.active):hover {
    background: #f1f5f9 !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .flashcard-front,
[data-theme="clean-light"] .flashcard-back {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .flashcard-back * {
    color: #1e293b;
}
[data-theme="clean-light"] .flashcard-back .card-def-title {
    color: #475569 !important;
}
[data-theme="clean-light"] .flashcard-back .card-def-text {
    color: #0f172a !important;
}
[data-theme="clean-light"] .card-word {
    color: #0f172a !important;
}
[data-theme="clean-light"] .card-phonetic-wrap {
    background: #f1f5f9 !important;
    color: #475569 !important;
}
[data-theme="clean-light"] .collocations-box {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.08) !important;
}
[data-theme="clean-light"] .colloc-item {
    background: #eff6ff !important;
    color: #1d4ed8 !important;
}
[data-theme="clean-light"] .example-box {
    background: #f8fafc !important;
    color: #334155 !important;
    border-left: 3px solid #6366f1 !important;
    padding: 10px 14px !important;
    border-radius: 6px !important;
}
[data-theme="clean-light"] .card-vn-box {
    background: #f0fdf4 !important;
    border: 1px solid rgba(16, 185, 129, 0.25) !important;
}
[data-theme="clean-light"] .card-vn-trans-highlight {
    color: #047857 !important;
}
[data-theme="clean-light"] .card-vn-def-text {
    color: #166534 !important;
}
[data-theme="clean-light"] .flashcard-back strong {
    color: #0f172a !important;
}
[data-theme="clean-light"] .flashcard-back span {
    color: #334155;
}
[data-theme="clean-light"] .srs-status-bar {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .srs-complete-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08) !important;
}
[data-theme="clean-light"] .srs-complete-card h2 {
    color: #0f172a !important;
}
[data-theme="clean-light"] .diag-wrapper {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06) !important;
}
[data-theme="clean-light"] .diag-header h2 {
    color: #0f172a !important;
}
[data-theme="clean-light"] .q-text {
    color: #0f172a !important;
}
[data-theme="clean-light"] .option-label {
    background: #f8fafc !important;
    border-color: rgba(15, 23, 42, 0.12) !important;
    color: #1e293b !important;
}
[data-theme="clean-light"] .option-label:hover {
    background: #f1f5f9 !important;
    border-color: #2563eb !important;
}
[data-theme="clean-light"] .game-bar {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .game-metric {
    color: #0f172a !important;
}
[data-theme="clean-light"] .tile-card {
    background: #ffffff !important;
    border: 2px solid rgba(15, 23, 42, 0.12) !important;
    color: #0f172a !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
}
[data-theme="clean-light"] .tile-card:hover {
    background: #f8fafc !important;
    border-color: #2563eb !important;
}
[data-theme="clean-light"] .elevation-hero-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06) !important;
}
[data-theme="clean-light"] .elevation-hero-title {
    color: #0f172a !important;
}
[data-theme="clean-light"] .elevation-hero-sub {
    color: #475569 !important;
}
[data-theme="clean-light"] .elevation-nav-bar {
    background: #f1f5f9 !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .elevation-nav-btn:not(.active) {
    color: #64748b !important;
}
[data-theme="clean-light"] .elevation-nav-btn:not(.active):hover {
    color: #0f172a !important;
    background: #ffffff !important;
}
[data-theme="clean-light"] .transform-card,
[data-theme="clean-light"] .drill-question-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04) !important;
}
[data-theme="clean-light"] .sentence-display-box {
    background: #f8fafc !important;
    border-color: rgba(15, 23, 42, 0.1) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .pillar-word-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .pillar-word-title {
    color: #0f172a !important;
}
[data-theme="clean-light"] .arena-score-bar,
[data-theme="clean-light"] .chunk-game-board {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .arena-stat-val {
    color: #0f172a !important;
}
[data-theme="clean-light"] .drill-option-btn {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    color: #1e293b !important;
}
[data-theme="clean-light"] .drill-option-btn:hover {
    background: #f1f5f9 !important;
    color: #0f172a !important;
}

/* ==========================================================================
   Clean Light: Admin Panel Overrides
   ========================================================================== */
[data-theme="clean-light"] .dash-header {
    background: #ffffff !important;
    border-bottom: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04) !important;
}
[data-theme="clean-light"] .dash-header .brand-title,
[data-theme="clean-light"] .brand-title {
    color: #0f172a !important;
}
[data-theme="clean-light"] .dash-header .brand-subtitle {
    color: #64748b !important;
}

/* Sidebar & Tabs */
[data-theme="clean-light"] .sidebar {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    border-radius: 18px;
    padding: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03) !important;
}
[data-theme="clean-light"] .sidebar .tab-btn,
[data-theme="clean-light"] .tab-btn {
    color: #475569 !important;
}
[data-theme="clean-light"] .sidebar .tab-btn:hover,
[data-theme="clean-light"] .tab-btn:hover {
    background: #f1f5f9 !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .sidebar .tab-btn.active,
[data-theme="clean-light"] .tab-btn.active {
    background: #eff6ff !important;
    color: #2563eb !important;
    font-weight: 700 !important;
    box-shadow: inset 4px 0 0 #2563eb !important;
}
[data-theme="clean-light"] .sidebar .tab-btn.active i,
[data-theme="clean-light"] .tab-btn.active i {
    color: #2563eb !important;
}

/* Admin Content Panel & Typography */
[data-theme="clean-light"] .content-panel {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .content-panel .panel-title,
[data-theme="clean-light"] .panel-title,
[data-theme="clean-light"] .content-panel h1,
[data-theme="clean-light"] .content-panel h2,
[data-theme="clean-light"] .content-panel h3,
[data-theme="clean-light"] .content-panel h4,
[data-theme="clean-light"] .content-panel h5 {
    color: #0f172a !important;
}
[data-theme="clean-light"] .content-panel .panel-subtitle,
[data-theme="clean-light"] .panel-subtitle {
    color: #64748b !important;
}
[data-theme="clean-light"] .content-panel strong,
[data-theme="clean-light"] .content-panel b {
    color: #0f172a !important;
}

/* Form Controls */
[data-theme="clean-light"] .content-panel .form-label,
[data-theme="clean-light"] .modal-card .form-label,
[data-theme="clean-light"] .form-label {
    color: #334155 !important;
    font-weight: 700 !important;
}
[data-theme="clean-light"] .form-input,
[data-theme="clean-light"] .form-select,
[data-theme="clean-light"] .content-panel input[type="text"],
[data-theme="clean-light"] .content-panel input[type="password"],
[data-theme="clean-light"] .content-panel input[type="email"],
[data-theme="clean-light"] .content-panel input[type="number"],
[data-theme="clean-light"] .content-panel textarea,
[data-theme="clean-light"] .content-panel select,
[data-theme="clean-light"] .modal-card input[type="text"],
[data-theme="clean-light"] .modal-card input[type="password"],
[data-theme="clean-light"] .modal-card input[type="email"],
[data-theme="clean-light"] .modal-card select,
[data-theme="clean-light"] .modal-card textarea {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.2) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .form-input:focus,
[data-theme="clean-light"] .form-select:focus,
[data-theme="clean-light"] .content-panel input:focus,
[data-theme="clean-light"] .content-panel select:focus,
[data-theme="clean-light"] .content-panel textarea:focus,
[data-theme="clean-light"] .modal-card input:focus,
[data-theme="clean-light"] .modal-card select:focus,
[data-theme="clean-light"] .modal-card textarea:focus {
    border-color: #2563eb !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15) !important;
}
[data-theme="clean-light"] .form-select option,
[data-theme="clean-light"] select option {
    background: #ffffff !important;
    color: #0f172a !important;
}

/* Tables across Admin tabs */
[data-theme="clean-light"] .list-table,
[data-theme="clean-light"] .data-table,
[data-theme="clean-light"] .table-container table {
    color: #0f172a !important;
}
[data-theme="clean-light"] .list-table th,
[data-theme="clean-light"] .data-table th,
[data-theme="clean-light"] .table-container table th {
    background: #f8fafc !important;
    color: #475569 !important;
    font-weight: 700 !important;
    border-bottom: 2px solid rgba(15, 23, 42, 0.12) !important;
}
[data-theme="clean-light"] .list-table td,
[data-theme="clean-light"] .data-table td,
[data-theme="clean-light"] .table-container table td {
    color: #1e293b !important;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08) !important;
}
[data-theme="clean-light"] .list-table tr:hover td,
[data-theme="clean-light"] .data-table tr:hover td,
[data-theme="clean-light"] .table-container table tr:hover td {
    background: #f1f5f9 !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .list-table tr:hover strong,
[data-theme="clean-light"] .data-table tr:hover strong,
[data-theme="clean-light"] .table-container table tr:hover strong {
    color: #0f172a !important;
}
[data-theme="clean-light"] .list-table code,
[data-theme="clean-light"] .data-table code {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}

/* Secondary & Action Buttons */
[data-theme="clean-light"] .btn-secondary {
    background: #f1f5f9 !important;
    color: #334155 !important;
    border: 1px solid rgba(15, 23, 42, 0.15) !important;
    box-shadow: none !important;
}
[data-theme="clean-light"] .btn-secondary:hover {
    background: #e2e8f0 !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .action-icon-btn {
    color: #64748b !important;
}
[data-theme="clean-light"] .action-icon-btn:hover {
    color: #0f172a !important;
    background: #f1f5f9 !important;
}
[data-theme="clean-light"] .action-icon-btn.btn-del:hover {
    color: #dc2626 !important;
    background: #fee2e2 !important;
}

/* Modals */
[data-theme="clean-light"] .modal {
    background: rgba(15, 23, 42, 0.4) !important;
}
[data-theme="clean-light"] .modal-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.15) !important;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .modal-title {
    color: #0f172a !important;
}
[data-theme="clean-light"] .modal-close {
    color: #64748b !important;
}
[data-theme="clean-light"] .modal-close:hover {
    color: #0f172a !important;
}

/* Filter toolbars, cards & stats */
[data-theme="clean-light"] .admin-filter-bar {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .admin-filter-bar input[type="text"],
[data-theme="clean-light"] .admin-filter-bar select {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.15) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .admin-subcard {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03) !important;
}
[data-theme="clean-light"] .color-box {
    background: #f8fafc !important;
    border-color: rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .color-box code {
    background: #ffffff !important;
    color: #0f172a !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
}
[data-theme="clean-light"] .color-box label {
    color: #334155 !important;
}
[data-theme="clean-light"] .section-type-pill {
    background: #eff6ff !important;
    color: #1d4ed8 !important;
}
[data-theme="clean-light"] .section-type-pill.auto {
    background: #f5f3ff !important;
    color: #6d28d9 !important;
}
[data-theme="clean-light"] .content-panel .card,
[data-theme="clean-light"] .content-panel .stat-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .content-panel code {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}

/* Clean Light: Theme Chooser Modal & Header Button Overrides */
[data-theme="clean-light"] .portal-theme-btn {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.15) !important;
    color: #334155 !important;
}
[data-theme="clean-light"] .portal-theme-btn:hover {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    border-color: #2563eb !important;
}
[data-theme="clean-light"] .portal-theme-modal-overlay {
    background: rgba(15, 23, 42, 0.45) !important;
}
[data-theme="clean-light"] .portal-theme-modal-card {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.15), 0 10px 25px -5px rgba(15, 23, 42, 0.08) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .portal-theme-modal-header {
    border-bottom: 1px solid rgba(15, 23, 42, 0.08) !important;
}
[data-theme="clean-light"] .portal-theme-modal-title {
    color: #0f172a !important;
}
[data-theme="clean-light"] .portal-theme-modal-subtitle {
    color: #64748b !important;
}
[data-theme="clean-light"] .portal-theme-close-btn {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    color: #64748b !important;
}
[data-theme="clean-light"] .portal-theme-close-btn:hover {
    background: #fee2e2 !important;
    color: #ef4444 !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
}
[data-theme="clean-light"] .portal-theme-card {
    background: #f8fafc !important;
    border: 1.5px solid rgba(15, 23, 42, 0.1) !important;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.03) !important;
}
[data-theme="clean-light"] .portal-theme-card:hover {
    background: #ffffff !important;
    border-color: rgba(37, 99, 235, 0.4) !important;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.1) !important;
}
[data-theme="clean-light"] .portal-theme-card.active {
    background: #eff6ff !important;
    border-color: #2563eb !important;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2), 0 4px 16px rgba(37, 99, 235, 0.15) !important;
}
[data-theme="clean-light"] .portal-theme-card .theme-swatch {
    border: 1.5px solid rgba(15, 23, 42, 0.15) !important;
}
[data-theme="clean-light"] .portal-theme-card .theme-name {
    color: #0f172a !important;
    font-weight: 700 !important;
}
[data-theme="clean-light"] .portal-theme-card.active .theme-name {
    color: #1d4ed8 !important;
    font-weight: 800 !important;
}
[data-theme="clean-light"] .portal-theme-card .theme-desc {
    color: #64748b !important;
}
[data-theme="clean-light"] .portal-theme-card.active .theme-desc {
    color: #2563eb !important;
    font-weight: 600 !important;
}
[data-theme="clean-light"] .portal-theme-modal-footer {
    border-top: 1px solid rgba(15, 23, 42, 0.08) !important;
}
[data-theme="clean-light"] .portal-theme-btn-reset {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.12) !important;
    color: #475569 !important;
}
[data-theme="clean-light"] .portal-theme-btn-reset:hover {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    border-color: #2563eb !important;
}
[data-theme="clean-light"] .portal-theme-btn-done {
    background: #2563eb !important;
    color: #ffffff !important;
    border: none !important;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3) !important;
}
[data-theme="clean-light"] .portal-theme-btn-done:hover {
    background: #1d4ed8 !important;
}


/* ==========================================================================
   UNIFIED BUTTON & MODAL STYLING
   ========================================================================== */

/* Universal Header Button Style */
.portal-theme-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 38px;
    padding: 0 16px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main, #e2e8f0);
    background: var(--bg-card-hover, rgba(255, 255, 255, 0.06));
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.12));
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    text-decoration: none;
    box-sizing: border-box;
    font-family: inherit;
}
.portal-theme-btn:hover {
    background: var(--bg-card, rgba(255, 255, 255, 0.14));
    color: var(--text-main, #ffffff);
    transform: translateY(-1px);
    border-color: var(--primary, #3b82f6);
}

/* Theme Modal Overlay */
.portal-theme-modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(10, 15, 30, 0.78);
    backdrop-filter: blur(10px);
    z-index: 100000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.portal-theme-modal-overlay.open {
    display: flex;
}

/* Theme Modal Card */
.portal-theme-modal-card {
    background: var(--bg-card, #182234);
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.12));
    border-radius: 24px;
    width: 100%;
    max-width: 620px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 26px 30px;
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.7);
    color: var(--text-main, #f8fafc);
    animation: themeModalFade 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes themeModalFade {
    from { opacity: 0; transform: scale(0.96) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.portal-theme-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
    padding-bottom: 16px;
}
.portal-theme-modal-title {
    margin: 0;
    font-size: 19px;
    font-weight: 800;
    color: var(--text-main, #fff);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.01em;
}
.portal-theme-modal-subtitle {
    font-size: 12px;
    color: var(--text-muted, #94a3b8);
    margin-top: 3px;
}
.portal-theme-close-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-card-hover, rgba(255, 255, 255, 0.06));
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    color: var(--text-muted, #94a3b8);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.portal-theme-close-btn:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
}

.portal-theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
    gap: 12px;
    margin: 20px 0;
}
.portal-theme-card {
    background: var(--bg-card, rgba(15, 23, 42, 0.55));
    border: 1.5px solid var(--border-color, rgba(255, 255, 255, 0.07));
    border-radius: 16px;
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
}
.portal-theme-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary, rgba(255, 255, 255, 0.25));
    background: var(--bg-card-hover, rgba(15, 23, 42, 0.85));
}
.portal-theme-card.active {
    border-color: var(--primary, #3b82f6);
    box-shadow: 0 0 18px var(--glow-color, rgba(59, 130, 246, 0.35));
    background: var(--bg-card-hover, rgba(15, 23, 42, 0.95));
}
.portal-theme-card .theme-swatches {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
}
.portal-theme-card .theme-swatch {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid var(--border-color, rgba(255, 255, 255, 0.2));
}
.portal-theme-card .theme-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main, #f1f5f9);
}
.portal-theme-card .theme-desc {
    font-size: 11px;
    color: var(--text-muted, #94a3b8);
    margin-top: 2px;
}

/* Modal Footer & Ultra-Clean Action Buttons */
.portal-theme-modal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
    gap: 12px;
}
.portal-theme-btn-reset {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 38px;
    padding: 0 16px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted, #94a3b8);
    background: var(--bg-card-hover, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}
.portal-theme-btn-reset:hover {
    background: var(--bg-card, rgba(255, 255, 255, 0.1));
    color: var(--text-main, #f1f5f9);
    border-color: var(--border-color, rgba(255, 255, 255, 0.2));
    transform: translateY(-1px);
}
.portal-theme-btn-done {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 38px;
    padding: 0 22px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary, #3b82f6), var(--primary-dark, #2563eb));
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 14px var(--glow-color, rgba(59, 130, 246, 0.35));
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}
.portal-theme-btn-done:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--glow-color, rgba(59, 130, 246, 0.5));
    filter: brightness(1.08);
}

/* Unified Portal User Chip & Status Badge */
.portal-user-chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: inherit;
    font-size: 0.85rem;
    color: #e2e8f0;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.portal-user-chip.role-admin {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(168, 85, 247, 0.15));
    border-color: rgba(245, 158, 11, 0.35);
}
.portal-user-chip.role-teacher {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(59, 130, 246, 0.15));
    border-color: rgba(16, 185, 129, 0.35);
}
.portal-user-chip.role-student {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.25);
}
.portal-user-chip.role-guest {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}
.portal-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}
.role-admin .portal-user-avatar { background: #f59e0b; color: #0f172a; }
.role-teacher .portal-user-avatar { background: #10b981; color: #0f172a; }
.role-student .portal-user-avatar { background: #3b82f6; color: #fff; }
.role-guest .portal-user-avatar { background: rgba(255, 255, 255, 0.1); color: #94a3b8; }

.portal-user-meta {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
    text-align: left;
}
.portal-user-name {
    font-weight: 600;
    color: #fff;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}
.portal-role-pill {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.03em;
}
.role-admin .portal-role-pill { background: rgba(245, 158, 11, 0.25); color: #fbbf24; }
.role-teacher .portal-role-pill { background: rgba(16, 185, 129, 0.25); color: #34d399; }
.role-student .portal-role-pill { background: rgba(59, 130, 246, 0.25); color: #93c5fd; }
.role-guest .portal-role-pill { background: rgba(255, 255, 255, 0.1); color: #94a3b8; }

.portal-user-status {
    font-size: 0.72rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 1px;
}
.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}
.dot-active { background: #10b981; box-shadow: 0 0 6px rgba(16, 185, 129, 0.6); }
.dot-guest { background: #94a3b8; }

.portal-header-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.08);
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.75rem;
    transition: all 0.15s ease;
}
.portal-header-action-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}
.portal-header-action-btn.logout:hover {
    background: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}
.portal-header-login-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--primary, #3b82f6);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
}
.portal-header-login-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* ==========================================================================
   Ask Teacher Drawer — Multi-Theme Support
   ========================================================================== */

/* Clean Light Theme for Ask Teacher Drawer */
[data-theme="clean-light"] #ask-teacher-drawer {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.15) !important;
    box-shadow: 0 20px 45px -10px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(15, 23, 42, 0.08) !important;
}
[data-theme="clean-light"] .at-header {
    background: linear-gradient(135deg, #eff6ff, #dbeafe) !important;
    border-bottom: 1px solid rgba(37, 99, 235, 0.15) !important;
}
[data-theme="clean-light"] .at-title-box h4 {
    color: #0f172a !important;
}
[data-theme="clean-light"] .at-title-box .at-status-indicator {
    color: #64748b !important;
}
[data-theme="clean-light"] .at-close-btn {
    background: rgba(15, 23, 42, 0.06) !important;
    color: #475569 !important;
}
[data-theme="clean-light"] .at-close-btn:hover {
    background: rgba(15, 23, 42, 0.12) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .at-nav {
    background: #f8fafc !important;
    border-bottom: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .at-nav-btn {
    color: #64748b !important;
}
[data-theme="clean-light"] .at-nav-btn:hover {
    color: #0f172a !important;
    background: rgba(15, 23, 42, 0.04) !important;
}
[data-theme="clean-light"] .at-nav-btn.active {
    color: #2563eb !important;
    border-bottom-color: #2563eb !important;
    background: #eff6ff !important;
    font-weight: 700 !important;
}
[data-theme="clean-light"] .at-body {
    background: #ffffff !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .at-welcome-banner {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    color: #334155 !important;
}
[data-theme="clean-light"] .at-offline-notice {
    background: #fffbeb !important;
    border: 1px solid #fde68a !important;
    color: #b45309 !important;
}
[data-theme="clean-light"] .at-offline-notice i {
    color: #d97706 !important;
}
[data-theme="clean-light"] .at-form-label {
    color: #475569 !important;
    font-weight: 700 !important;
}
[data-theme="clean-light"] .at-input,
[data-theme="clean-light"] .at-select,
[data-theme="clean-light"] .at-textarea {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.2) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .at-input:focus,
[data-theme="clean-light"] .at-select:focus,
[data-theme="clean-light"] .at-textarea:focus {
    border-color: #2563eb !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12) !important;
}
[data-theme="clean-light"] .at-select option {
    background: #ffffff !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .at-context-pill {
    background: #f1f5f9 !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
    color: #475569 !important;
}
[data-theme="clean-light"] .at-submit-btn {
    background: linear-gradient(135deg, #2563eb, #1d4ed8) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3) !important;
}
[data-theme="clean-light"] .at-thread-item {
    background: #f8fafc !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .at-thread-item:hover {
    background: #eff6ff !important;
    border-color: #93c5fd !important;
}
[data-theme="clean-light"] .at-thread-header {
    color: #0f172a !important;
}
[data-theme="clean-light"] .at-thread-preview {
    color: #475569 !important;
}
[data-theme="clean-light"] .at-thread-meta {
    color: #64748b !important;
}
[data-theme="clean-light"] .at-chat-topbar {
    border-bottom: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .at-back-btn {
    color: #475569 !important;
}
[data-theme="clean-light"] .at-back-btn:hover {
    color: #0f172a !important;
}
[data-theme="clean-light"] .at-msg-student {
    background: linear-gradient(135deg, #2563eb, #1d4ed8) !important;
    color: #ffffff !important;
}
[data-theme="clean-light"] .at-msg-teacher {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    border: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .at-chat-input-bar {
    border-top: 1px solid rgba(15, 23, 42, 0.1) !important;
}
[data-theme="clean-light"] .at-chat-input-bar input {
    background: #ffffff !important;
    border: 1px solid rgba(15, 23, 42, 0.2) !important;
    color: #0f172a !important;
}
[data-theme="clean-light"] .at-send-icon-btn {
    background: #2563eb !important;
    color: #ffffff !important;
}

/* Paper Sepia Theme for Ask Teacher Drawer */
[data-theme="sepia"] #ask-teacher-drawer {
    background: #fdf6e9 !important;
    border: 1px solid rgba(180, 83, 9, 0.22) !important;
    box-shadow: 0 20px 45px -10px rgba(107, 85, 62, 0.25), 0 0 0 1px rgba(180, 83, 9, 0.1) !important;
}
[data-theme="sepia"] .at-header {
    background: linear-gradient(135deg, #faebd7, #f5dfbe) !important;
    border-bottom: 1px solid rgba(180, 83, 9, 0.2) !important;
}
[data-theme="sepia"] .at-title-box h4 {
    color: #291809 !important;
}
[data-theme="sepia"] .at-title-box .at-status-indicator {
    color: #6b553e !important;
}
[data-theme="sepia"] .at-close-btn {
    background: rgba(180, 83, 9, 0.1) !important;
    color: #6b553e !important;
}
[data-theme="sepia"] .at-close-btn:hover {
    background: rgba(180, 83, 9, 0.2) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .at-nav {
    background: #fbf0dc !important;
    border-bottom: 1px solid rgba(180, 83, 9, 0.15) !important;
}
[data-theme="sepia"] .at-nav-btn {
    color: #6b553e !important;
}
[data-theme="sepia"] .at-nav-btn:hover {
    color: #291809 !important;
    background: rgba(180, 83, 9, 0.05) !important;
}
[data-theme="sepia"] .at-nav-btn.active {
    color: #b45309 !important;
    border-bottom-color: #b45309 !important;
    background: #faebd7 !important;
    font-weight: 700 !important;
}
[data-theme="sepia"] .at-body {
    background: #fdf6e9 !important;
    color: #291809 !important;
}
[data-theme="sepia"] .at-welcome-banner {
    background: #faefdb !important;
    border: 1px solid rgba(180, 83, 9, 0.18) !important;
    color: #432810 !important;
}
[data-theme="sepia"] .at-offline-notice {
    background: #fcf4e6 !important;
    border: 1px solid rgba(180, 83, 9, 0.3) !important;
    color: #92400e !important;
}
[data-theme="sepia"] .at-offline-notice i {
    color: #b45309 !important;
}
[data-theme="sepia"] .at-form-label {
    color: #6b553e !important;
    font-weight: 700 !important;
}
[data-theme="sepia"] .at-input,
[data-theme="sepia"] .at-select,
[data-theme="sepia"] .at-textarea {
    background: #fffdf8 !important;
    border: 1px solid rgba(180, 83, 9, 0.3) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .at-input:focus,
[data-theme="sepia"] .at-select:focus,
[data-theme="sepia"] .at-textarea:focus {
    border-color: #b45309 !important;
    box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.15) !important;
}
[data-theme="sepia"] .at-select option {
    background: #fffdf8 !important;
    color: #291809 !important;
}
[data-theme="sepia"] .at-context-pill {
    background: #faefdb !important;
    border: 1px solid rgba(180, 83, 9, 0.18) !important;
    color: #6b553e !important;
}
[data-theme="sepia"] .at-submit-btn {
    background: linear-gradient(135deg, #b45309, #92400e) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(180, 83, 9, 0.35) !important;
}
[data-theme="sepia"] .at-thread-item {
    background: #faefdb !important;
    border: 1px solid rgba(180, 83, 9, 0.18) !important;
}
[data-theme="sepia"] .at-thread-item:hover {
    background: #faebd7 !important;
    border-color: #d97706 !important;
}
[data-theme="sepia"] .at-thread-header {
    color: #291809 !important;
}
[data-theme="sepia"] .at-thread-preview {
    color: #432810 !important;
}
[data-theme="sepia"] .at-thread-meta {
    color: #6b553e !important;
}
[data-theme="sepia"] .at-chat-topbar {
    border-bottom: 1px solid rgba(180, 83, 9, 0.15) !important;
}
[data-theme="sepia"] .at-back-btn {
    color: #6b553e !important;
}
[data-theme="sepia"] .at-back-btn:hover {
    color: #291809 !important;
}
[data-theme="sepia"] .at-msg-student {
    background: linear-gradient(135deg, #b45309, #92400e) !important;
    color: #ffffff !important;
}
[data-theme="sepia"] .at-msg-teacher {
    background: #faefdb !important;
    color: #291809 !important;
    border: 1px solid rgba(180, 83, 9, 0.18) !important;
}
[data-theme="sepia"] .at-chat-input-bar {
    border-top: 1px solid rgba(180, 83, 9, 0.15) !important;
}
[data-theme="sepia"] .at-chat-input-bar input {
    background: #fffdf8 !important;
    border: 1px solid rgba(180, 83, 9, 0.3) !important;
    color: #291809 !important;
}
[data-theme="sepia"] .at-send-icon-btn {
    background: #b45309 !important;
    color: #ffffff !important;
}