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

:root {
    /* Warm "classic" dark: deep charcoal with a hint of brown, never pure black. */
    --bg-primary: #14110d;
    --bg-secondary: rgba(28, 24, 18, 0.86);
    --bg-tertiary: rgba(244, 232, 212, 0.06);
    --text-primary: #f4ece0;
    --text-secondary: rgba(244, 236, 224, 0.62);
    /* Modern brass accent — the single chromatic note against the neutrals. */
    --accent: #c9a567;
    --accent-hover: #d9b87f;
    --border: rgba(244, 232, 212, 0.12);
    --border-hover: rgba(201, 165, 103, 0.45);
    --shadow: rgba(8, 6, 3, 0.5);
    --font-body: 'Sora', 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-display: 'Fraunces', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
    --font-logo: 'Fraunces', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
    --radius-lg: 14px;
    --radius-md: 10px;
    --radius-sm: 7px;
    --grid-max: 1480px;
    --focus-ring: rgba(201, 165, 103, 0.32);
    color-scheme: dark;
}

html, body { height: 100%; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    background:
        radial-gradient(1100px 560px at 14% -12%, rgba(201, 165, 103, 0.10), transparent 60%),
        radial-gradient(900px 520px at 108% 4%, rgba(201, 165, 103, 0.06), transparent 58%),
        var(--bg-primary);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.drawer-open {
    overflow: hidden;
}

/* Subtle film grain so large flat surfaces don't read as sterile vector flats. */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 50;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body.theme-light::before {
    opacity: 0.05;
    mix-blend-mode: multiply;
}

body:not(.theme-light) {
    color-scheme: dark;
}

body.theme-light {
    /* Warm ivory "paper" with a warm-ink text — editorial, not stark white/black. */
    --bg-primary: #f6f1e7;
    --bg-secondary: rgba(255, 252, 245, 0.86);
    --bg-tertiary: rgba(43, 33, 18, 0.05);
    --text-primary: #241d12;
    --text-secondary: rgba(36, 29, 18, 0.62);
    --accent: #9a7338;
    --accent-hover: #835f2c;
    --border: rgba(43, 33, 18, 0.12);
    --border-hover: rgba(154, 115, 56, 0.5);
    --shadow: rgba(74, 56, 28, 0.14);
    --focus-ring: rgba(154, 115, 56, 0.28);
    color-scheme: light;
    background:
        radial-gradient(1100px 560px at 14% -12%, rgba(154, 115, 56, 0.08), transparent 60%),
        radial-gradient(900px 520px at 108% 4%, rgba(154, 115, 56, 0.05), transparent 58%),
        var(--bg-primary);
}

/* Top Bar */
.top-bar {
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 clamp(16px, 3vw, 36px);
    background: linear-gradient(180deg, rgba(20, 17, 13, 0.86), rgba(20, 17, 13, 0.62));
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    gap: 24px;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px var(--shadow);
}

body.theme-light .top-bar {
    background: linear-gradient(180deg, rgba(246, 241, 231, 0.94), rgba(246, 241, 231, 0.78));
}

.logo {
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    font-family: var(--font-logo);
    font-optical-sizing: auto;
    flex-shrink: 0;
}

.search-container {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.search-container input {
    width: 100%;
    padding: 10px 44px 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
}

.search-container input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-tertiary);
    box-shadow: 0 0 0 4px var(--focus-ring);
}

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

.search-clear-btn {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    line-height: 1;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.search-clear-btn.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.search-clear-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.icon-btn {
    width: 48px;
    height: 48px;
    border: none;
    background: transparent;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-size: 20px;
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    color: var(--accent);
}

.icon-btn:active {
    transform: scale(0.92);
}

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

/* CDN-served icon images (Heroicons). Black SVG sources, tinted via filter:
   neutral to match text by default, brass on hover for the accent moment. */
.icon-svg {
    width: 24px;
    height: 24px;
    display: block;
    filter: invert(92%) sepia(6%) saturate(220%) hue-rotate(2deg) brightness(101%);
}

/* Brass tint approximated from a pure-black source. */
.icon-btn:hover .icon-svg {
    filter: invert(68%) sepia(42%) saturate(560%) hue-rotate(1deg) brightness(94%) contrast(86%);
}

body.theme-light .icon-svg {
    filter: invert(12%) sepia(20%) saturate(620%) hue-rotate(2deg) brightness(95%);
}

body.theme-light .icon-btn:hover .icon-svg {
    filter: invert(46%) sepia(36%) saturate(720%) hue-rotate(1deg) brightness(82%) contrast(88%);
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: all 0.3s ease;
}

.menu-toggle.active .hamburger span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.menu-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .hamburger span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--bg-secondary);
    z-index: 1001;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(15px);
    box-shadow: -20px 0 40px var(--shadow);
}

body.theme-light .sidebar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.sidebar.open {
    right: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h3 {
    font-size: 18px;
    font-weight: 600;
    font-family: var(--font-display);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 24px;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

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

.sidebar-content {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.sidebar-section {
    padding: 8px 0 4px 0;
    border-bottom: 1px solid var(--border);
}

.sidebar-section:last-child {
    border-bottom: none;
}

.sidebar-subtitle {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 8px 24px 4px 24px;
}

.sidebar-item {
    display: block;
    padding: 12px 24px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.sidebar-item:hover {
    background: var(--bg-tertiary);
    border-left-color: var(--accent);
    color: var(--accent);
}

.setting-item {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
}

.filters-container .setting-item {
    padding-top: 12px;
    padding-bottom: 12px;
}

.filters-empty {
    padding: 12px 24px 20px 24px;
    color: var(--text-secondary);
    font-size: 13px;
}

.setting-item label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.setting-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.setting-label-row label {
    margin-bottom: 0;
}

.setting-toggle .setting-label-row {
    margin-bottom: 10px;
}

.toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 46px;
    height: 26px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-track {
    position: absolute;
    inset: 0;
    border-radius: 999px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.toggle-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--text-primary);
    transition: transform 0.2s ease, background 0.2s ease;
    box-shadow: 0 4px 10px var(--shadow);
}

.toggle input:checked + .toggle-track {
    background: var(--accent);
    border-color: var(--accent);
}

.toggle input:checked + .toggle-track::after {
    transform: translateX(20px);
    background: var(--bg-primary);
}

.toggle input:focus-visible + .toggle-track {
    box-shadow: 0 0 0 4px var(--focus-ring);
}

.btn-link {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
}

.btn-link:hover {
    color: var(--text-primary);
}

.btn-link:disabled {
    color: var(--border);
    cursor: not-allowed;
    text-decoration: none;
}

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

.input-row input {
    flex: 1;
    padding: 9px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
}

.input-row input::placeholder {
    color: var(--text-secondary);
}

.input-row input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--focus-ring);
}

body.theme-light .input-row input:focus {
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.btn-secondary {
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
    width: 100%;
    text-align: center;
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}

.btn-secondary:active {
    transform: translateY(1px);
}

.sources-list {
    padding: 8px 24px 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.source-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-tertiary);
}

.source-item span {
    font-size: 12px;
    color: var(--text-primary);
    word-break: break-all;
}

.source-item button {
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 12px;
}

.source-item button:hover {
    background: var(--bg-tertiary);
}

.setting-item input[type="range"] {
    width: 100%;
    appearance: none;
    -webkit-appearance: none;
    height: 6px;
    border-radius: 999px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    cursor: pointer;
    margin: 6px 0;
}

.setting-item input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--text-primary);
    border: none;
    cursor: pointer;
}

.setting-item input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--text-primary);
    border: none;
    cursor: pointer;
}

.setting-item select {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
    color-scheme: dark;
    appearance: none;
    background-image:
        linear-gradient(45deg, transparent 50%, var(--text-secondary) 50%),
        linear-gradient(135deg, var(--text-secondary) 50%, transparent 50%),
        linear-gradient(to right, transparent, transparent);
    background-position:
        calc(100% - 16px) calc(1em + 1px),
        calc(100% - 11px) calc(1em + 1px),
        100% 0;
    background-size:
        5px 5px,
        5px 5px,
        2.5em 2.5em;
    background-repeat: no-repeat;
}

.multi-select {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.multi-select-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    transition: all 0.2s ease;
}

.multi-select-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    flex-shrink: 0;
}

.multi-select-item span {
    padding-left: 6px;
}

.multi-select-item:hover {
    border-color: var(--border);
    background: var(--bg-tertiary);
}

.multi-select-item input[type="checkbox"]:checked + span {
    color: var(--accent);
}

.setting-item select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--focus-ring);
}

body.theme-light .setting-item select:focus {
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.setting-item select,
.setting-item select option,
.setting-item select optgroup {
    background-color: #0a0a0a;
    color: #ffffff;
}

body.theme-light .setting-item select {
    color-scheme: light;
}

body.theme-light .setting-item select,
body.theme-light .setting-item select option,
body.theme-light .setting-item select optgroup {
    background-color: #ffffff;
    color: #000000;
}
.setting-item select option {
    background: #0a0a0a;
    color: #ffffff;
}

body.theme-light .setting-item select option {
    background: #ffffff;
    color: #000000;
}

/* Overlay */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    z-index: 1000;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.open {
    display: block;
}

.load-more-btn {
    position: sticky;
    left: 50%;
    transform: translateX(-50%);
    margin: 16px auto 32px auto;
    width: 52px;
    height: 52px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
    box-shadow: 0 10px 20px var(--shadow);
}

.load-more-btn:hover {
    background: var(--bg-tertiary);
}

.load-more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Favorites Bar */
.favorites-bar {
    padding: 16px clamp(16px, 3vw, 36px) 4px;
    max-width: var(--grid-max);
    margin: 0 auto;
}

.favorites-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.favorites-header h3 {
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-family: var(--font-display);
}

.favorites-list {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.favorites-list::-webkit-scrollbar {
    height: 8px;
}

.favorites-list::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 999px;
}

.favorites-list::-webkit-scrollbar-track {
    background: transparent;
}

.favorite-card {
    position: relative;
    flex: 0 0 auto;
    width: 220px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 8px 18px var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    scroll-snap-align: start;
}

.favorite-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 24px var(--shadow);
    border-color: var(--border-hover);
}

.favorite-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: var(--bg-tertiary);
}

.favorite-info {
    padding: 10px 12px 12px 12px;
}

.favorite-info h4 {
    font-size: 13px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
    font-family: var(--font-display);
    line-height: 1.3;
}

.favorites-empty {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 0 12px 0;
}

/* Grid Container */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    grid-auto-rows: 10px;
    gap: 16px;
    align-items: start;
    padding: 24px;
    max-width: var(--grid-max);
    margin: 0 auto;
}

@media (max-width: 768px) {
    .grid-container {
        /* Exactly two larger cards per row on phones, rather than packing in
           several small ones. */
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 10px;
        gap: 12px;
        padding: 16px;
    }

    .top-bar {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 16px;
        row-gap: 10px;
    }

    .search-container {
        order: 3;
        width: 100%;
        max-width: 100%;
        flex-basis: 100%;
    }

    .actions {
        order: 2;
        width: auto;
        margin-left: auto;
        justify-content: flex-end;
    }
}

@media (max-width: 480px) {
    .grid-container {
        /* One full-width card per row on phones. */
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .logo {
        font-size: 18px;
    }

    .icon-btn {
        width: 44px;
        height: 44px;
    }
}

@media (min-width: 1600px) {
    body {
        font-size: 16px;
    }

    .top-bar {
        height: 72px;
        padding: 0 36px;
    }

    .grid-container {
        gap: 24px;
        padding: 32px 48px;
    }

    .video-card h4 {
        font-size: calc(16px * var(--card-font-scale, 1));
    }

    .video-card p {
        font-size: calc(13px * var(--card-font-scale, 1));
    }
}

@media (min-width: 1920px) {
    .grid-container {
        column-width: 280px;
    }
}

@media (pointer: coarse) {
    .icon-btn {
        width: 52px;
        height: 52px;
    }

    .btn-secondary {
        padding: 10px 14px;
    }

    .setting-item select,
    .input-row input {
        padding: 10px 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
    }
}

/* Video Card */
.video-card {
    cursor: pointer;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    background: var(--bg-secondary);
    display: inline-flex;
    flex-direction: column;
    width: 100%;
    border: 1px solid var(--border);
    box-shadow: 0 6px 16px var(--shadow);
    position: relative;
    margin-bottom: 0;
    /* The grid is virtualized in JS (see App.virtualGrid): only cards near the
       viewport are in the DOM at all, and each is absolutely positioned at a
       precomputed (top,left). */
}

.video-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 28px var(--shadow);
    border-color: var(--border-hover);
}

.video-thumb {
    position: relative;
    display: block;
}

.video-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    background: var(--bg-tertiary);
}

/* Dark-transparent pills overlaid on the bottom of the thumbnail.
   Scoped under .video-thumb so they outrank the later .uploader-link rule. */
.video-thumb .video-uploader,
.video-thumb .video-duration {
    position: absolute;
    bottom: 8px;
    z-index: 3;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.2;
    backdrop-filter: blur(2px);
    pointer-events: none;
}

.video-thumb .video-duration {
    right: 8px;
}

.video-thumb .video-uploader {
    left: 8px;
    max-width: 60%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border: none;
    text-align: left;
    font-family: inherit;
    cursor: pointer;
    pointer-events: auto;
}

.video-thumb .video-uploader:hover {
    background: rgba(0, 0, 0, 0.78);
    color: #fff;
    text-decoration: underline;
}

.video-card h4 {
    font-size: calc(15px * var(--card-font-scale, 1));
    font-weight: 500;
    padding: 12px 12px 10px;
    line-height: 1.3;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
    font-family: var(--font-display);
    font-optical-sizing: auto;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
}

.video-title-text {
    display: inline-block;
    padding-right: 24px;
    transform: translateX(0);
}

.video-card.is-title-active .video-title-text {
    animation: video-title-marquee var(--marquee-duration, 10s) linear infinite;
    will-change: transform;
}

@keyframes video-title-marquee {
    to {
        transform: translateX(calc(-1 * var(--marquee-distance, 0px)));
    }
}

.video-card p {
    font-size: calc(12px * var(--card-font-scale, 1));
    color: var(--text-secondary);
    padding: 0 12px 12px 12px;
    margin: 0;
}

.video-tags {
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
    padding: 0 12px 8px 12px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.video-tag {
    font-size: calc(11px * var(--card-font-scale, 1));
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px 8px;
    line-height: 1.2;
    letter-spacing: 0.2px;
    white-space: nowrap;
    font-family: inherit;
    cursor: pointer;
}

.video-tag:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 1px;
}

.uploader-link {
    background: transparent;
    border: none;
    color: inherit;
    font: inherit;
    cursor: pointer;
    padding: 0;
    text-align: left;
}

.video-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
    z-index: 4;
}

.video-card.is-loading .video-loading,
.favorite-card.is-loading .video-loading {
    opacity: 1;
}

.video-loading-spinner {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.35);
    border-top-color: var(--text-primary);
    animation: video-card-spinner 0.8s linear infinite;
}

@keyframes video-card-spinner {
    to {
        transform: rotate(360deg);
    }
}

.uploader-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.video-menu-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.55);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

body.theme-light .video-menu-btn {
    background: rgba(255, 255, 255, 0.8);
}

.video-menu-btn:hover {
    transform: scale(1.05);
    background: var(--bg-secondary);
}

.video-menu {
    position: absolute;
    top: 48px;
    right: 10px;
    min-width: 140px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    box-shadow: 0 12px 24px var(--shadow);
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 3;
}

.video-menu.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.video-menu-item {
    width: 100%;
    padding: 10px 12px;
    text-align: left;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
}

.video-menu-item:hover {
    background: var(--bg-tertiary);
}

.live-badge {
    position: absolute;
    top: 10px;
    left: 50px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 999px;
    background: #e0245e;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    line-height: 1;
    text-transform: uppercase;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
    pointer-events: none;
}

.feed-live-badge {
    top: 16px;
    left: 16px;
}

/* Live streams can't be seeked, so hide the feed scrubber. */
.feed-slide.is-live .feed-timeline {
    display: none;
}

.favorite-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(0, 0, 0, 0.55);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    z-index: 1;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

body.theme-light .favorite-btn {
    background: rgba(255, 255, 255, 0.8);
}

.favorite-btn:hover {
    transform: scale(1.05);
    background: var(--bg-secondary);
}

.favorite-btn.is-favorite {
    color: #ff3b30;
    border-color: rgba(255, 59, 48, 0.6);
    background: rgba(255, 59, 48, 0.12);
}

/* Info Modal */
.info-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2500;
    padding: 20px;
}

.info-modal.open {
    display: flex;
}

.info-card {
    position: relative;
    width: min(520px, 92vw);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    box-shadow: 0 18px 36px var(--shadow);
}

.info-card h3 {
    font-family: var(--font-display);
    font-size: 18px;
    margin: 0 0 16px 0;
}

.info-close {
    position: absolute;
    right: 16px;
    top: 16px;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
}

.info-rows,
.info-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.info-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-label {
    text-transform: uppercase;
    letter-spacing: 0.6px;
    font-size: 11px;
    color: var(--text-secondary);
}

.info-value {
    text-align: right;
    color: var(--text-primary);
    word-break: break-all;
}

.info-json {
    margin: 0;
    white-space: pre-wrap;
    text-align: left;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 12px;
    line-height: 1.4;
    max-height: 180px;
    overflow: auto;
    flex: 1;
}

.info-empty {
    font-size: 13px;
    color: var(--text-secondary);
    padding-top: 6px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: #000;
    z-index: 2000;
}

body.theme-light .modal {
    background: #0b0b0b;
}

.modal.open {
    display: flex;
}

.modal-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    position: relative;
}

.close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2001;
    transition: all 0.2s ease;
}

.close:hover {
    background: rgba(255, 255, 255, 0.2);
}

video {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100vh;
    object-fit: contain;
}

#mobile-video-host {
    position: fixed;
    left: -9999px;
    top: 0;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.error-toast {
    position: fixed;
    right: 20px;
    bottom: 20px;
    max-width: min(360px, 90vw);
    background: rgba(0, 0, 0, 0.85);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.error-toast.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.error-toast button {
    background: transparent;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 16px;
}

body.theme-light .error-toast {
    background: rgba(255, 255, 255, 0.95);
    color: #000000;
    border: 1px solid rgba(0, 0, 0, 0.12);
}

.update-banner {
    position: fixed;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%) translateY(8px);
    max-width: min(420px, 92vw);
    background: rgba(0, 0, 0, 0.88);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    z-index: 3100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.update-banner.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.update-banner button {
    background: #ffffff;
    color: #000000;
    border: none;
    border-radius: 6px;
    padding: 6px 14px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
}

body.theme-light .update-banner {
    background: rgba(255, 255, 255, 0.96);
    color: #000000;
    border: 1px solid rgba(0, 0, 0, 0.12);
}

body.theme-light .update-banner button {
    background: #111111;
    color: #ffffff;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Mode toggle FAB (grid <-> reels) */
.mode-toggle-btn {
    position: fixed;
    right: 24px;
    bottom: 90px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 10px 24px var(--shadow);
    z-index: 2600;
    transition: transform 0.2s ease, background 0.2s ease, opacity 0.4s ease;
}

.mode-toggle-btn:hover {
    background: var(--bg-tertiary);
    transform: scale(1.06);
}

.mode-toggle-btn:active {
    transform: scale(0.94);
}

body.feed-mode-open .mode-toggle-btn {
    background: rgba(0, 0, 0, 0.55);
    border-color: rgba(255, 255, 255, 0.18);
}

body.feed-mode-open .mode-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

body.feed-mode-open .mode-toggle-btn .icon-svg {
    filter: invert(100%) saturate(0%) !important;
}

/* Reels-style scrollable feed */
.feed-view {
    display: none;
    position: fixed;
    inset: 0;
    background: #000;
    z-index: 2500;
}

.feed-view.open {
    display: block;
}

.feed-scroll {
    width: 100%;
    height: 100%;
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    scrollbar-width: none;
}

.feed-scroll::-webkit-scrollbar {
    display: none;
}

.feed-sentinel {
    height: 1px;
}

/* Stands in for the slides above the rendered window so scroll position and
   snap points stay stable while slides are virtualized in and out. */
.feed-top-spacer {
    width: 100%;
    height: 0;
    flex: none;
}

.feed-slide {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #000;
}

.feed-poster,
.feed-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.feed-poster {
    transition: opacity 0.2s ease;
}

.feed-slide.is-loaded .feed-poster {
    opacity: 0;
}

.feed-info {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 24px 20px 44px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75), transparent);
    color: #fff;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.feed-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 4px;
    white-space: nowrap;
    overflow: hidden;
}

.feed-title-text {
    display: inline-block;
    padding-right: 28px;
    transform: translateX(0);
}

.feed-title.is-marquee .feed-title-text {
    animation: video-title-marquee var(--marquee-duration, 10s) linear infinite;
    will-change: transform;
}

.feed-uploader {
    font-size: 13px;
    opacity: 0.8;
    margin: 0;
}

.feed-timeline {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 4px;
    height: 28px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    cursor: pointer;
    touch-action: none;
    z-index: 5;
}

.feed-timeline-track {
    position: relative;
    width: 100%;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 999px;
    overflow: visible;
    transition: height 0.15s ease;
}

.feed-timeline:hover .feed-timeline-track,
.feed-timeline.is-scrubbing .feed-timeline-track {
    height: 5px;
}

.feed-timeline-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0%;
    background: #fff;
    border-radius: 999px;
}

.feed-timeline-handle {
    position: absolute;
    top: 50%;
    left: 0%;
    width: 11px;
    height: 11px;
    margin-left: -5.5px;
    background: #fff;
    border-radius: 50%;
    transform: translateY(-50%) scale(0);
    transition: transform 0.15s ease;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.feed-timeline:hover .feed-timeline-handle,
.feed-timeline.is-scrubbing .feed-timeline-handle {
    transform: translateY(-50%) scale(1);
}

.feed-mute-btn {
    position: fixed;
    right: 24px;
    bottom: 154px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2600;
    transition: background 0.2s ease, opacity 0.4s ease;
}

.feed-mute-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.feed-mute-btn .icon-svg {
    filter: invert(100%) saturate(0%) !important;
}

/* Per-slide favorite (heart) button on the feed HUD right rail. */
.feed-fav-btn {
    position: absolute;
    top: auto;
    left: auto;
    right: 24px;
    bottom: 210px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    z-index: 6;
    transition: background 0.2s ease, transform 0.2s ease, opacity 0.4s ease;
}

.feed-fav-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.feed-fav-btn.is-favorite {
    color: #ff3b30;
    border-color: rgba(255, 59, 48, 0.6);
    background: rgba(255, 59, 48, 0.18);
}

/* Reels/TikTok mode: HUD auto-hides after a short idle. Elements stay
   interactive (pointer-events untouched) so the buttons keep working while
   invisible; any pointer/scroll activity reveals them again (see App.feed). */
body.feed-hud-idle .feed-info,
body.feed-hud-idle .feed-timeline,
body.feed-hud-idle .feed-mute-btn,
body.feed-hud-idle .feed-fav-btn,
body.feed-hud-idle .mode-toggle-btn {
    opacity: 0;
}

/* =====================================================================
   Modern enhancements (see enhance.js)
   ===================================================================== */

/* --- Card entrance: cards rise/fade in the first time they mount -------- */
@keyframes card-rise {
    from { opacity: 0; transform: translateY(18px) scale(0.985); }
    to   { opacity: 1; transform: none; }
}

.video-card.is-revealing {
    animation: card-rise 0.5s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

/* --- Cursor-tracking brass spotlight border on hover ------------------- */
.video-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: radial-gradient(180px circle at var(--mx, 50%) var(--my, 50%),
        rgba(201, 165, 103, 0.65), rgba(201, 165, 103, 0) 60%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
    z-index: 3;
}

.video-card:hover::after {
    opacity: 1;
}

/* --- Thumbnail skeleton shimmer until the image paints ----------------- */
@keyframes thumb-shimmer {
    from { background-position: 200% 0; }
    to   { background-position: -200% 0; }
}

.video-card img:not(.is-loaded) {
    background-image: linear-gradient(100deg,
        transparent 30%, rgba(255, 255, 255, 0.08) 50%, transparent 70%);
    background-size: 200% 100%;
    background-repeat: no-repeat;
    animation: thumb-shimmer 1.3s ease-in-out infinite;
}

body.theme-light .video-card img:not(.is-loaded) {
    background-image: linear-gradient(100deg,
        transparent 30%, rgba(43, 33, 18, 0.06) 50%, transparent 70%);
}

/* --- Hover video preview (sits over the poster, under the buttons) ----- */
.card-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    object-fit: cover;
    background: #000;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card.is-previewing .card-preview {
    opacity: 1;
}

/* --- Favorite heart: pop + expanding brass ring on add ----------------- */
@keyframes heart-pop {
    0%   { transform: scale(1); }
    35%  { transform: scale(1.35); }
    100% { transform: scale(1); }
}

@keyframes heart-ring {
    from { opacity: 0.8; transform: scale(0.6); }
    to   { opacity: 0;   transform: scale(1.7); }
}

.favorite-btn.just-favorited {
    animation: heart-pop 0.45s ease;
}

.favorite-btn.just-favorited::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    animation: heart-ring 0.5s ease forwards;
    pointer-events: none;
}

/* --- Scroll progress bar ---------------------------------------------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    z-index: 200;
    transition: width 0.1s linear;
    pointer-events: none;
}

/* --- Back-to-top FAB --------------------------------------------------- */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 154px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 20px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 10px 24px var(--shadow);
    backdrop-filter: blur(12px);
    opacity: 0;
    transform: translateY(12px) scale(0.9);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
    z-index: 2400;
}

.back-to-top.is-visible {
    opacity: 1;
    transform: none;
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}

.back-to-top:active {
    transform: scale(0.92);
}

/* --- Command palette (⌘K) --------------------------------------------- */
.command-palette {
    position: fixed;
    inset: 0;
    z-index: 4000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 14vh;
    background: rgba(10, 8, 4, 0.55);
    backdrop-filter: blur(6px);
}

.command-palette.open {
    display: flex;
}

.cmdk-box {
    width: min(560px, 92vw);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 70px var(--shadow);
    overflow: hidden;
    animation: card-rise 0.2s ease both;
}

.cmdk-input {
    width: 100%;
    padding: 18px 20px;
    border: none;
    border-bottom: 1px solid var(--border);
    background: transparent;
    color: var(--text-primary);
    font-size: 16px;
    font-family: var(--font-body);
}

.cmdk-input::placeholder { color: var(--text-secondary); }
.cmdk-input:focus { outline: none; }

.cmdk-list {
    max-height: 50vh;
    overflow-y: auto;
    padding: 8px;
}

.cmdk-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    text-align: left;
    padding: 11px 14px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    border-radius: 10px;
    cursor: pointer;
    font: inherit;
}

.cmdk-item.is-active {
    background: var(--bg-tertiary);
}

.cmdk-label { font-size: 14px; }

.cmdk-hint {
    font-size: 11px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
    flex-shrink: 0;
}

/* --- Player ambient backdrop: blurred poster behind the video --------- */
.modal-content::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: var(--poster);
    background-size: cover;
    background-position: center;
    filter: blur(60px) saturate(1.3) brightness(0.5);
    transform: scale(1.25);
    opacity: 0.55;
    z-index: 0;
    pointer-events: none;
}

.modal-content > * {
    position: relative;
    z-index: 1;
}

/* --- Reels HUD polish: serif title + brass scrubber + mute pulse ------- */
.feed-title { font-family: var(--font-display); }

.feed-timeline-fill,
.feed-timeline-handle { background: #c9a567; }

@keyframes mute-pulse {
    0%   { transform: scale(0.8); opacity: 0.75; }
    100% { transform: scale(1.5); opacity: 0; }
}

.feed-mute-btn.is-muted::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(201, 165, 103, 0.7);
    animation: mute-pulse 2s ease-out infinite;
    pointer-events: none;
}

/* --- View Transition timing (player open/close crossfade) -------------- */
@media (prefers-reduced-motion: no-preference) {
    ::view-transition-old(root),
    ::view-transition-new(root) {
        animation-duration: 0.32s;
    }
}