/* ═══════════════════════════════════════════════════
   VideoIA Dashboard — Premium Dark Glassmorphism
   ═══════════════════════════════════════════════════ */

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --bg-glass-hover: rgba(255, 255, 255, 0.08);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.3);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
    --accent-glow: rgba(99, 102, 241, 0.4);
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --sidebar-width: 240px;
    --sidebar-collapsed: 64px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
    --radius: 14px;
    --radius-sm: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ─── Animated Background ─── */
.bg-animation {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-primary);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-secondary);
    bottom: -100px;
    right: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: #ec4899;
    top: 50%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(100px, -50px) scale(1.1);
    }

    50% {
        transform: translate(-50px, 100px) scale(0.9);
    }

    75% {
        transform: translate(50px, 50px) scale(1.05);
    }
}

/* ─── Sidebar ─── */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-glass);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-glass);
}

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

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
}

.nav-item:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(99, 102, 241, 0.12);
    color: var(--accent-primary);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 3px;
    background: var(--accent-gradient);
    border-radius: 3px;
}

.nav-icon {
    font-size: 18px;
}

.nav-label {
    font-size: 13px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-glass);
}

.version {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
}

/* ─── Main Content ─── */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 28px;
    background: rgba(10, 14, 26, 0.6);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-glow {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.btn-glow:hover {
    box-shadow: 0 0 35px rgba(99, 102, 241, 0.35);
}

.btn-secondary {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
}

.btn-large {
    padding: 14px 32px;
    font-size: 15px;
    border-radius: var(--radius);
    width: 100%;
    justify-content: center;
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ─── Pages ─── */
.pages-container {
    padding: 24px 28px;
}

.page {
    display: none;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

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

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

/* ─── Stats Grid ─── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-card:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.stat-icon {
    font-size: 32px;
}

.stat-value {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -1px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ─── Charts ─── */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.chart-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 20px;
    backdrop-filter: blur(10px);
}

.chart-card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.chart-container {
    height: 200px;
    display: flex;
    align-items: flex-end;
    gap: 6px;
    padding: 10px 0;
}

.chart-bar {
    flex: 1;
    min-width: 30px;
    background: var(--accent-gradient);
    border-radius: 6px 6px 0 0;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    opacity: 0.7;
}

.chart-bar:hover {
    opacity: 1;
    transform: scaleY(1.02);
}

.chart-bar-label {
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
}

.chart-bar-value {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
}

.platform-stat {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-glass);
}

.platform-stat:last-child {
    border: none;
}

.platform-stat-name {
    font-size: 13px;
    font-weight: 500;
}

.platform-stat-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-primary);
}

/* ─── Section Cards ─── */
.section-card,
.glass-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 24px;
    backdrop-filter: blur(10px);
}

.section-card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 700;
}

.badge {
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
    font-weight: 600;
}

/* ─── Tables ─── */
.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    text-align: left;
    padding: 12px 16px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-glass);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
}

.data-table tr:hover td {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.status-generated {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
}

.status-uploaded {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.status-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(139, 92, 246, 0.12);
    color: var(--accent-secondary);
}

/* ─── Generate Page — 2-Column Layout ─── */
.generate-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
}

.generate-form-col {}

.agenda-col {}

.generate-card {
    padding: 32px;
}

/* Agenda Panel */
.agenda-card {
    padding: 24px;
    position: sticky;
    top: 90px;
}

.agenda-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.agenda-header h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

.agenda-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.agenda-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    padding: 40px 0;
    color: var(--text-muted);
    font-size: 13px;
}

.agenda-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 520px;
    overflow-y: auto;
}

.agenda-empty {
    text-align: center;
    padding: 40px 16px;
    color: var(--text-muted);
}

.agenda-empty-icon {
    font-size: 36px;
    display: block;
    margin-bottom: 10px;
    opacity: 0.5;
}

.agenda-empty p {
    font-size: 13px;
    line-height: 1.5;
}

.agenda-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.agenda-item:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: var(--border-glow);
    transform: translateX(4px);
}

.agenda-item.selected {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent-primary);
}

/* .used-topic styles at bottom of file */

.agenda-item-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 40px;
    padding: 4px 0;
}

.agenda-item-day {
    font-size: 18px;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
}

.agenda-item-month {
    font-size: 9px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.agenda-item-content {
    flex: 1;
    min-width: 0;
}

.agenda-item-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 3px;
    line-height: 1.3;
}

.agenda-item-desc {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.agenda-item-check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--border-glass);
    flex-shrink: 0;
    margin-top: 2px;
    transition: var(--transition);
    font-size: 11px;
}

.agenda-item.selected .agenda-item-check {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Selected topic badge on form */
.selected-topic {
    padding: 12px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.selected-topic-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: 4px;
}

.btn-clear-topic {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    padding: 2px 6px;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-clear-topic:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.selected-topic-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.generate-card h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 4px;
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 13px;
}

.platform-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.platform-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 8px;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.platform-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-glow);
}

.platform-btn.active {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.platform-icon {
    font-size: 22px;
}

/* ─── Forms ─── */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-select,
.form-input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    transition: var(--transition);
    outline: none;
}

.form-select:focus,
.form-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-select-sm {
    width: auto;
    padding: 6px 12px;
    font-size: 12px;
}

.form-range {
    width: 100%;
    accent-color: var(--accent-primary);
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    text-transform: none !important;
    font-size: 13px !important;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
}

/* ─── Progress ─── */
.progress-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
    margin: 16px 0 10px;
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 3px;
    transition: width 0.5s ease;
    width: 0%;
}

.progress-status {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

.generate-result {
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.generate-result.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.generate-result.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ─── Themes Grid ─── */
.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.theme-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
}

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

.theme-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.theme-name {
    font-size: 15px;
    font-weight: 700;
}

.theme-weight {
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.12);
    color: var(--accent-primary);
    font-weight: 600;
}

.theme-desc {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
    line-height: 1.5;
}

.theme-examples {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.theme-example {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 4px 8px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
}

/* ─── Platforms Grid ─── */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.platform-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.platform-card:hover {
    border-color: var(--border-glow);
}

.platform-card-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.platform-card-name {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.platform-card-res {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.platform-card-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.platform-card-status.enabled {
    background: rgba(34, 197, 94, 0.12);
    color: var(--success);
}

.platform-card-status.disabled {
    background: rgba(100, 116, 139, 0.12);
    color: var(--text-muted);
}

/* ─── Settings ─── */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.settings-card h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-glass);
}

/* ─── Filter Bar ─── */
.filter-bar {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ─── Empty State ─── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

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

.empty-state-text {
    font-size: 14px;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .top-bar {
        padding: 12px 16px;
    }

    .pages-container {
        padding: 16px;
    }

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

    .charts-row {
        grid-template-columns: 1fr;
    }

    .platform-selector {
        grid-template-columns: repeat(2, 1fr);
    }

    .themes-grid,
    .platforms-grid,
    .settings-grid {
        grid-template-columns: 1fr;
    }

    .generate-card {
        padding: 20px;
    }

    .section-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    /* Mobile menu toggle */
    .mobile-nav-toggle {
        position: fixed;
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: var(--accent-gradient);
        border: none;
        color: white;
        font-size: 24px;
        cursor: pointer;
        z-index: 200;
        box-shadow: var(--shadow-md);
        display: block;
    }
}

@media (min-width: 769px) {
    .mobile-nav-toggle {
        display: none;
    }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ─── Toasts ─── */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    backdrop-filter: blur(20px);
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
    max-width: 360px;
}

.toast-success {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success);
}

.toast-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.toast-info {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--info);
}

@keyframes slideIn {
    from {
        transform: translateX(100px);
        opacity: 0;
    }

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

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* ─── Video Action Buttons ─── */
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    background: var(--bg-glass);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    margin: 0 2px;
}

.action-btn:hover {
    transform: scale(1.1);
}

.play-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--accent-primary);
}

.download-btn:hover {
    background: rgba(34, 197, 94, 0.2);
    border-color: var(--success);
}

.regen-btn:hover {
    background: rgba(251, 191, 36, 0.2);
    border-color: #fbbf24;
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
}

/* ─── Used Topics (clickable, dimmed) ─── */
.agenda-item.used-topic {
    opacity: 0.55;
    border-left: 3px solid var(--success);
}

.agenda-item.used-topic:hover {
    opacity: 0.85;
}