/* === Base & Theme === */
:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #a0a0a0;
    --accent-blue: #4FC3F7;
    --accent-purple: #CE93D8;
    --accent-purple-light: #E1BEE7;
    --accent-orange: #FF8A65;
    --accent-amber: #FFB74D;
    --accent-red: #ff8a80;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(255, 255, 255, 0.2);
    --blue-glow: rgba(79, 195, 247, 0.15);
    --blue-glow-strong: rgba(79, 195, 247, 0.25);
    --purple-glow: rgba(156, 39, 176, 0.25);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-pill: 20px;
    --transition-fast: 0.2s ease;
    --transition-med: 0.3s ease;
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    background: var(--bg-secondary);
}

body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    padding-left: var(--safe-left);
    padding-right: var(--safe-right);
}

.container {
    background: transparent !important;
}

.hidden {
    display: none !important;
}

/* === Skip Link (Accessibility) === */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--accent-blue);
    color: #000;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    z-index: 10000;
    font-weight: 600;
    text-decoration: none;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 1rem;
}

/* === Header === */
.header {
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    padding: 2rem 0;
    padding-top: calc(2rem + var(--safe-top));
    margin-bottom: 0;
}

.header h1 {
    color: #fff;
    margin-bottom: 0.5rem;
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.header-stats {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.header-link {
    display: inline-block;
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--accent-blue);
    text-decoration: none;
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    padding: 0.3rem 0.7rem;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.header-link:hover {
    color: #fff;
    border-color: var(--glass-border-hover);
}

/* === Sticky Toolbar === */
.toolbar {
    position: sticky;
    top: 0;
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.toolbar-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* === Search === */
.search-wrap {
    position: relative;
    flex: 1;
    min-width: 0;
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
}

.search-box {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border-hover);
    color: var(--text-primary);
    padding: 0.55rem 2rem 0.55rem 2.2rem;
    border-radius: var(--radius-sm);
    width: 100%;
    font-size: 0.9rem;
    transition: border-color var(--transition-fast), background var(--transition-fast);
    font-family: inherit;
}

.search-box:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(255, 255, 255, 0.1);
}

.search-box::placeholder {
    color: var(--text-secondary);
}

.search-clear {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0.25rem 0.4rem;
    border-radius: 4px;
    transition: color var(--transition-fast), background var(--transition-fast);
    line-height: 1;
}

.search-clear:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* === Type Chips === */
.type-chips {
    display: flex;
    gap: 0.4rem;
    flex-shrink: 0;
}

.chip {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.82rem;
    user-select: none;
    font-family: inherit;
    line-height: 1.4;
    white-space: nowrap;
}

.chip:hover {
    background: var(--blue-glow);
    border-color: rgba(79, 195, 247, 0.4);
    color: var(--text-primary);
}

.chip.active {
    background: var(--blue-glow-strong);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    font-weight: 500;
}

/* === Show Tabs === */
.show-tabs-wrap {
    margin-top: 0.6rem;
    overflow: hidden;
}

.show-tabs {
    display: flex;
    gap: 0.35rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
}

.show-tabs::-webkit-scrollbar {
    display: none;
}

.show-tab {
    background: transparent;
    border: 1px solid transparent;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.82rem;
    font-family: inherit;
    white-space: nowrap;
    flex-shrink: 0;
}

.show-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.show-tab.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
    background: rgba(79, 195, 247, 0.06);
    font-weight: 500;
}

.show-tab-count {
    display: inline-block;
    background: rgba(255, 255, 255, 0.08);
    padding: 0.1rem 0.45rem;
    border-radius: 10px;
    font-size: 0.72rem;
    margin-left: 0.35rem;
    font-weight: 400;
    color: var(--text-muted);
}

.show-tab.active .show-tab-count {
    background: rgba(79, 195, 247, 0.15);
    color: var(--accent-blue);
}

/* === Topic Dropdown === */
.topic-dropdown-wrap {
    position: relative;
    margin-top: 0.5rem;
}

.topic-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(156, 39, 176, 0.08);
    border: 1px solid rgba(156, 39, 176, 0.25);
    color: var(--accent-purple-light);
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 0.82rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.topic-dropdown-toggle:hover {
    background: rgba(156, 39, 176, 0.15);
    border-color: rgba(156, 39, 176, 0.5);
}

.topic-dropdown-label {
    pointer-events: none;
}

.topic-dropdown-caret {
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
    pointer-events: none;
}

.topic-dropdown-toggle[aria-expanded="true"] .topic-dropdown-caret {
    transform: rotate(180deg);
}

.topic-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    background: rgba(22, 33, 62, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border-hover);
    border-radius: var(--radius-sm);
    min-width: 260px;
    max-width: 360px;
    max-height: 320px;
    overflow-y: auto;
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    padding: 0.35rem;
}

.topic-dropdown-menu.open {
    display: block;
}

.topic-option {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.84rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.topic-option:hover {
    background: rgba(156, 39, 176, 0.12);
    color: var(--text-primary);
}

.topic-option.active {
    background: var(--purple-glow);
    color: var(--accent-purple-light);
    font-weight: 500;
}

.topic-option-count {
    font-size: 0.72rem;
    background: rgba(255, 255, 255, 0.06);
    padding: 0.1rem 0.45rem;
    border-radius: 10px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.topic-option.active .topic-option-count {
    background: rgba(156, 39, 176, 0.3);
    color: var(--accent-purple-light);
}

/* === Active Filter Bar === */
.filter-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
    font-size: 0.8rem;
}

.filter-bar-text {
    color: var(--text-secondary);
    margin-right: 0.25rem;
}

.filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(79, 195, 247, 0.12);
    border: 1px solid rgba(79, 195, 247, 0.3);
    color: var(--accent-blue);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    line-height: 1.3;
}

.filter-pill:hover {
    background: rgba(79, 195, 247, 0.22);
    border-color: var(--accent-blue);
}

.filter-pill--topic {
    background: rgba(156, 39, 176, 0.12);
    border-color: rgba(156, 39, 176, 0.3);
    color: var(--accent-purple);
}

.filter-pill--topic:hover {
    background: rgba(156, 39, 176, 0.22);
    border-color: var(--accent-purple);
}

.filter-pill--clear {
    background: transparent;
    border: 1px dashed rgba(255, 255, 255, 0.2);
    color: var(--text-muted);
}

.filter-pill--clear:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

/* === Show Sections === */
.show-section {
    margin-bottom: 1.5rem;
}

.show-section-title {
    color: #fff;
    font-size: 1.3rem;
    margin: 0 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.show-section-count {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-left: 0.5rem;
}

/* === Card Grid === */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.6rem;
}

/* === Cards === */
.card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(79, 195, 247, 0.4);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
}

.card.hidden {
    display: none;
}

.card--topic {
    border-left: 3px solid var(--accent-purple);
    background: rgba(156, 39, 176, 0.03);
}

.card--topic:hover {
    border-color: rgba(156, 39, 176, 0.5);
    border-left-color: var(--accent-purple);
}

.card--summary {
    border-left: 3px solid var(--accent-blue);
    background: rgba(79, 195, 247, 0.03);
}

.card--summary:hover {
    border-left-color: var(--accent-blue);
}

.card--episode {
    border-left: 3px solid var(--glass-border);
}

.card--episode:hover {
    border-left-color: var(--accent-blue);
}

.card-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 2.2rem;
    text-align: center;
    line-height: 1;
}

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

.card-title {
    font-weight: 500;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.card-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}

.card-badge {
    flex-shrink: 0;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.card-badge--topic-summary {
    background: rgba(156, 39, 176, 0.2);
    color: var(--accent-purple);
}

.card-badge--summary {
    background: rgba(79, 195, 247, 0.2);
    color: var(--accent-blue);
}

.card-arrow {
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 1rem;
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.card:hover .card-arrow {
    color: var(--accent-blue);
    transform: translateX(3px);
}

.card-topic {
    display: inline-block;
    background: var(--purple-glow);
    color: var(--accent-purple-light);
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 500;
    border: 1px solid rgba(156, 39, 176, 0.25);
    vertical-align: middle;
}

/* === Loading / Error / Empty === */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(79, 195, 247, 0.2);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

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

.error-box {
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.3);
    color: var(--accent-red);
    padding: 1.25rem;
    border-radius: var(--radius-sm);
    margin: 1rem 0;
    font-size: 0.9rem;
    line-height: 1.6;
}

.error-box code {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
}

.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 0.75rem;
}

.empty-title {
    font-size: 1.15rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.empty-body {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0 0 1rem;
}

.empty-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--glass-border-hover);
    color: var(--accent-blue);
    padding: 0.45rem 1rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 0.82rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.btn-outline:hover {
    background: var(--blue-glow);
    border-color: var(--accent-blue);
}

/* === Load More === */
.load-more-btn {
    background: transparent;
    border: 1px dashed var(--glass-border-hover);
    color: var(--text-secondary);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    width: 100%;
    cursor: pointer;
    font-size: 0.85rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    grid-column: 1 / -1;
}

.load-more-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: var(--blue-glow);
}

/* === FABs (Floating Action Buttons) === */
.fab {
    position: fixed;
    border: none;
    color: #fff;
    cursor: pointer;
    z-index: 98;
    transition: all var(--transition-med);
    font-family: inherit;
}

.fab--top {
    bottom: calc(20px + var(--safe-bottom));
    right: calc(20px + var(--safe-right));
    background: rgba(79, 195, 247, 0.9);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 1.3rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fab--top.visible {
    opacity: 1;
    pointer-events: auto;
}

.fab--top:hover {
    transform: scale(1.1);
}

.fab--topics {
    right: calc(20px + var(--safe-right));
    bottom: calc(76px + var(--safe-bottom));
    background: rgba(156, 39, 176, 0.9);
    padding: 10px 18px;
    border-radius: 25px;
    font-size: 0.88rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.fab--topics:hover {
    background: rgba(156, 39, 176, 1);
    transform: scale(1.05);
}

.fab-label {
    margin: 0 0.2rem;
}

/* === Main Content Area === */
#showsContainer {
    background: transparent;
    min-height: 50vh;
}

/* === Topic Browser Sidebar === */
.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-med);
}

.sidebar-backdrop.visible {
    opacity: 1;
    pointer-events: auto;
}

.topic-sidebar {
    position: fixed;
    right: 0;
    top: 0;
    width: 350px;
    height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    border-left: 1px solid var(--glass-border);
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform var(--transition-med);
    overflow-y: auto;
    display: none;
}

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

.sidebar-header {
    position: sticky;
    top: 0;
    background: rgba(26, 26, 46, 0.98);
    padding: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.sidebar-header h3 {
    margin: 0;
    font-size: 1.2rem;
    color: #fff;
}

.close-sidebar {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.close-sidebar:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.sidebar-content {
    padding: 1.5rem;
}

.topic-cluster {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.topic-cluster:hover {
    background: var(--glass-bg-hover);
    border-color: rgba(156, 39, 176, 0.4);
}

.topic-cluster-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.topic-cluster-title {
    font-weight: 600;
    color: var(--accent-purple);
    font-size: 0.95rem;
}

.topic-cluster-count {
    background: rgba(156, 39, 176, 0.3);
    color: var(--accent-purple-light);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
}

.topic-cluster-kw {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.topic-cluster-body {
    font-size: 0.75rem;
    color: var(--text-muted);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-med);
}

.topic-cluster.expanded .topic-cluster-body {
    max-height: 500px;
    margin-top: 0.5rem;
}

.topic-ep {
    padding: 0.3rem 0;
    color: var(--text-secondary);
}

/* === Footer === */
.site-footer {
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
    padding: 1.5rem 0;
    padding-bottom: calc(1.5rem + var(--safe-bottom));
    margin-top: 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.site-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-footer a:hover {
    color: var(--accent-blue);
}

/* === Keyboard Shortcut Hints === */
.kbd-hint {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    padding: 0.1rem 0.4rem;
    font-size: 0.7rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    color: var(--text-muted);
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* =============================================
   Responsive: Tablet (≥ 640px)
   ============================================= */
@media (min-width: 640px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* =============================================
   Responsive: Desktop (≥ 1024px)
   ============================================= */
@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* =============================================
   Responsive: Mobile (≤ 768px)
   ============================================= */
@media (max-width: 768px) {
    .header {
        padding: 1.5rem 1rem;
        padding-top: calc(1.5rem + var(--safe-top));
    }

    .header h1 {
        font-size: 1.65rem;
        line-height: 1.3;
    }

    .toolbar {
        padding: 0.6rem 0;
    }

    .toolbar-row {
        flex-wrap: wrap;
    }

    .search-wrap {
        flex: 1 1 100%;
    }

    .type-chips {
        flex: 1 1 100%;
    }

    .chip {
        flex: 1;
        text-align: center;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.85rem;
    }

    .search-box {
        font-size: 1rem;
        padding: 0.7rem 2rem 0.7rem 2.2rem;
    }

    .show-tab {
        padding: 0.5rem 0.75rem;
        font-size: 0.84rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .card {
        padding: 0.9rem;
    }

    .card-icon {
        font-size: 1.3rem;
        width: 1.8rem;
    }

    .card-title {
        font-size: 0.95rem;
    }

    .card-grid {
        gap: 0.5rem;
    }

    .show-section-title {
        font-size: 1.15rem;
    }

    .topic-sidebar {
        width: 100%;
        max-width: 100%;
    }

    .sidebar-header {
        padding: 1.2rem 1rem;
    }

    .sidebar-header h3 {
        font-size: 1.15rem;
    }

    .sidebar-content {
        padding: 1rem;
    }

    .topic-cluster {
        padding: 1.1rem;
        margin-bottom: 0.85rem;
    }

    .topic-cluster-title {
        font-size: 1rem;
    }

    .topic-cluster-count {
        font-size: 0.8rem;
        padding: 0.25rem 0.7rem;
    }

    .topic-ep {
        font-size: 0.85rem;
        padding: 0.4rem 0;
    }

    .fab--topics {
        bottom: calc(86px + var(--safe-bottom));
        right: calc(16px + var(--safe-right));
        padding: 12px 22px;
        font-size: 0.95rem;
        min-height: 48px;
    }

    .fab--top {
        width: 48px;
        height: 48px;
    }

    .kbd-hint {
        display: none;
    }

    .topic-dropdown-menu {
        min-width: 220px;
        max-width: calc(100vw - 2rem);
    }
}

/* === Touch Devices === */
@media (hover: none) and (pointer: coarse) {
    .chip,
    .fab,
    .card,
    .btn-outline,
    .filter-pill,
    .topic-option {
        -webkit-tap-highlight-color: transparent;
    }

    .search-box {
        font-size: 16px; /* Prevent iOS zoom */
    }

    .topic-option {
        padding: 0.65rem 0.75rem;
        min-height: 44px;
    }
}

/* === Focus Styles === */
.chip:focus-visible,
.search-box:focus-visible,
.fab:focus-visible,
.close-sidebar:focus-visible,
.card:focus-visible,
.load-more-btn:focus-visible,
.show-tab:focus-visible,
.filter-pill:focus-visible,
.btn-outline:focus-visible,
.topic-dropdown-toggle:focus-visible,
.topic-option:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}