@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    --bg: #ffffff;
    --bg-secondary: #f2f2f2;
    --bg-hover: #f2f2f2;
    --bg-active: #e5e5e5;
    --surface: #f9f9f9;
    --border: #e0e0e0;
    --text: #0f0f0f;
    --text-secondary: #606060;
    --text-muted: #909090;
    --primary: #2e8b47;
    --primary-light: #38a555;
    --primary-dark: #1f6e34;
    --accent: #2e8b47;
    --accent-hover: #38a555;
    --radius: 12px;
    --radius-sm: 8px;
    --sidebar-w: 240px;
    --topbar-h: 56px;
    --bottomnav-h: 52px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ══════════════════════════════
   TOPBAR
   ══════════════════════════════ */
.topbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--topbar-h);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    z-index: 100;
    gap: 0.5rem;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
    position: relative;
}

.logo .logo-icon { width: 30px; height: 22px; object-fit: contain; }
.logo .logo-text { color: var(--accent); font-size: 1.2rem; font-weight: 700; letter-spacing: -0.5px; }
.logo .logo-count { position: absolute; bottom: -10px; left: 35px; font-size: 0.5rem; color: var(--text-muted); font-weight: 400; line-height: 1; }

.topbar-center {
    flex: 1;
    display: flex;
    justify-content: center;
    max-width: 640px;
    margin: 0 auto;
}

.search-form { display: flex; width: 100%; max-width: 540px; }

.search-input {
    flex: 1;
    height: 40px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-right: none;
    border-radius: 20px 0 0 20px;
    padding: 0 1rem;
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
}

.search-input:focus { border-color: var(--primary); }
.search-input::placeholder { color: var(--text-muted); }

.search-btn {
    width: 56px;
    height: 40px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 0 20px 20px 0;
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover { background: var(--bg-active); }

.topbar-right {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* Mobile search overlay */
.mobile-search-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--topbar-h);
    background: var(--bg);
    z-index: 110;
    padding: 0.5rem;
    align-items: center;
    gap: 0.5rem;
}

.mobile-search-overlay.open { display: flex; }

.mobile-search-overlay .search-input {
    border-radius: 20px;
    border-right: 1px solid var(--border);
}

/* ══════════════════════════════
   SIDEBAR
   ══════════════════════════════ */
.sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    width: var(--sidebar-w);
    height: calc(100vh - var(--topbar-h));
    background: var(--bg);
    overflow-y: auto;
    padding: 0.5rem 0;
    z-index: 90;
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
}

.sidebar:hover { scrollbar-color: var(--bg-hover) transparent; }

.sidebar-section { padding: 0 0.5rem; margin-bottom: 0.25rem; }

.sidebar-section + .sidebar-section {
    border-top: 1px solid var(--border);
    padding-top: 0.5rem;
    margin-top: 0.25rem;
}

.sidebar-title {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.4rem 0.75rem;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.45rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    cursor: pointer;
    transition: background 0.15s;
}

.sidebar-item:hover { background: var(--bg-hover); }
.sidebar-item.active { background: var(--bg-hover); font-weight: 600; }

.sidebar-item .si-icon { font-size: 1.05rem; width: 24px; text-align: center; flex-shrink: 0; }
.sidebar-item .si-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.sidebar-item .si-expand { margin-left: auto; font-size: 0.7rem; color: var(--text-muted); padding: 2px 4px; flex-shrink: 0; }
.sidebar-item .si-badge {
    margin-left: auto;
    background: var(--primary);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 10px;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.sidebar-footer strong { color: var(--primary-light); }

/* ══════════════════════════════
   MAIN CONTENT
   ══════════════════════════════ */
.main {
    margin-left: var(--sidebar-w);
    margin-top: var(--topbar-h);
    padding: 1.25rem 1.5rem 3rem;
    min-height: calc(100vh - var(--topbar-h));
}

/* Chips */
.chips {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: none;
}

.chips::-webkit-scrollbar { display: none; }

.chip {
    padding: 0.35rem 0.85rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--bg-hover);
    color: var(--text);
    cursor: pointer;
    white-space: nowrap;
    border: none;
    font-family: inherit;
    transition: background 0.15s, color 0.15s;
}

.chip:hover { background: var(--bg-active); }
.chip.active { background: var(--text); color: #fff; }

/* ══════════════════════════════
   VIDEO GRID
   ══════════════════════════════ */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem 0.9rem;
}

.video-card {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    border-radius: var(--radius);
    position: relative;
}

.video-card .thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
}

.video-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.video-card:hover .thumb img { transform: scale(1.05); }

.video-card .duration-badge {
    position: absolute;
    bottom: 6px;
    right: 6px;
    background: rgba(0,0,0,0.85);
    color: #fff;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.73rem;
    font-weight: 500;
}

/* Hover overlay on thumb */
.video-card .thumb-actions {
    position: absolute;
    top: 6px;
    right: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.15s;
}

.video-card:hover .thumb-actions { opacity: 1; }

.thumb-action-btn {
    width: 28px;
    height: 28px;
    background: rgba(0,0,0,0.75);
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: background 0.15s;
}

.thumb-action-btn:hover { background: rgba(0,0,0,0.95); }
.thumb-action-btn.saved { color: var(--primary-light); }

.video-card .card-info {
    display: flex;
    gap: 0.75rem;
    padding: 0.6rem 0.15rem;
}

.video-card .channel-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

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

.video-card .card-title {
    font-size: 0.93rem;
    font-weight: 500;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.15rem;
}

.video-card .card-meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.video-card .card-channel {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
}
.video-card .card-channel:hover {
    color: var(--accent);
}

.video-card .card-stats {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ══════════════════════════════
   SORT BAR
   ══════════════════════════════ */
.sort-bar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0;
    margin-bottom: 0.25rem;
    flex-wrap: wrap;
}

.sort-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-right: 0.3rem;
}

.sort-btn {
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 500;
    background: var(--bg-hover);
    color: var(--text-secondary);
    cursor: pointer;
    border: none;
    font-family: inherit;
    transition: background 0.15s, color 0.15s;
}

.sort-btn:hover { background: var(--bg-active); color: var(--text); }
.sort-btn.active { background: var(--text); color: #fff; }

@media (max-width: 768px) {
    .sort-bar { padding: 0.4rem 0.75rem; }
}

/* ══════════════════════════════
   CHANNEL PAGE (inside grid)
   ══════════════════════════════ */
.channel-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--surface);
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    grid-column: 1 / -1;
}

.channel-header-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.channel-header-info { flex: 1; }
.channel-header-name { font-size: 1.2rem; font-weight: 600; }
.channel-header-stats { font-size: 0.82rem; color: var(--text-secondary); margin-top: 0.15rem; }

.btn-all-videos {
    padding: 0.5rem 1rem;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text);
    font-size: 0.83rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
}

.btn-all-videos:hover { background: var(--bg-active); }

.btn-follow {
    padding: 0.5rem 1.2rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
}
.btn-follow:hover { opacity: 0.9; }
.btn-follow.following {
    background: var(--bg-hover);
    color: var(--text);
    border: 1px solid var(--border);
}

/* Channel rows (portada agrupada) */
.channel-row {
    margin-bottom: 2rem;
    width: 100%;
    grid-column: 1 / -1;
}
.channel-row-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    margin-bottom: 0.5rem;
}
.channel-avatar-sm {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
.channel-row-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
}
.channel-row-name:hover { color: var(--accent); }
.channel-row-more {
    margin-left: auto;
    font-size: 0.82rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
}
.channel-row-more:hover { text-decoration: underline; }
.channel-row-videos {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scroll-snap-type: x mandatory;
}
.channel-row-videos .video-card {
    min-width: 260px;
    max-width: 300px;
    flex-shrink: 0;
    scroll-snap-align: start;
}
@media (max-width: 768px) {
    .channel-row-videos .video-card {
        min-width: 220px;
        max-width: 260px;
    }
}

.load-more-container {
    grid-column: 1 / -1;
    text-align: center;
    padding: 1.5rem 0;
}
.btn-load-more {
    padding: 0.7rem 2rem;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 20px;
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.2s;
}
.btn-load-more:hover { background: var(--bg-active); }

.playlist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.75rem;
    grid-column: 1 / -1;
}

.playlist-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.playlist-card:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.playlist-card-icon { font-size: 1.5rem; flex-shrink: 0; }
.playlist-card-info { flex: 1; min-width: 0; }
.playlist-card-name { font-size: 0.88rem; font-weight: 500; line-height: 1.3; }
.playlist-card-count { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.15rem; }

.channel-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}
.channel-section-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}
.playlist-loading {
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}
@media (max-width: 768px) {
    .channel-header { flex-wrap: wrap; padding: 1rem 0.75rem; }
}

/* ══════════════════════════════
   CANAL (CHANNEL) PAGE
   ══════════════════════════════ */
.canal-page {
    margin-left: 0;
    padding-top: var(--topbar-h);
    max-width: 1200px;
    margin: 0 auto;
}
.canal-banner {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    border-radius: 0 0 var(--radius) var(--radius);
    margin-top: var(--topbar-h);
}
.canal-banner-gradient {
    opacity: 0.85;
}
.canal-profile-header {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
}
.canal-profile-left {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex: 1;
    min-width: 0;
}
.canal-profile-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 3px solid var(--surface);
    margin-top: -30px;
    background: var(--surface);
}
.canal-profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    margin-top: -30px;
    border: 3px solid var(--surface);
}
.canal-profile-info {
    flex: 1;
    min-width: 0;
}
.canal-profile-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}
.canal-profile-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}
.canal-profile-yt-stats {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}
.canal-stats-grid {
    display: flex;
    gap: 0.75rem;
    padding: 0 1.5rem 1rem;
    overflow-x: auto;
}
.canal-stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1.25rem;
    text-align: center;
    min-width: 120px;
    flex-shrink: 0;
}
.canal-stat-number {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}
.canal-stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}
.canal-description-card {
    padding: 0 1.5rem 1rem;
}
.canal-description-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-wrap;
}
.canal-description-text.collapsed {
    max-height: 4.8em;
    overflow: hidden;
}
.canal-desc-toggle {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.25rem 0;
    font-family: inherit;
}
.canal-category-badge {
    display: inline-block;
    margin: 0 1.5rem 1rem;
    padding: 0.35rem 0.75rem;
    background: var(--bg-hover);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.canal-section {
    padding: 0.5rem 1.5rem 1.5rem;
}
.canal-section-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}
.canal-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}
.canal-section-count {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.canal-section-more {
    margin-left: auto;
    font-size: 0.82rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.canal-section-more:hover {
    text-decoration: underline;
}
.canal-all-videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}
.card-channel-static {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
@media (max-width: 768px) {
    .canal-banner { height: 120px; }
    .canal-profile-header { flex-wrap: wrap; padding: 1rem 0.75rem; }
    .canal-profile-img, .canal-profile-avatar { width: 64px; height: 64px; font-size: 1.2rem; }
    .canal-profile-name { font-size: 1.2rem; }
    .canal-section { padding: 0.5rem 0.75rem 1rem; }
    .canal-description-card { padding: 0 0.75rem 0.75rem; }
    .canal-category-badge { margin: 0 0.75rem 0.75rem; }
}

/* ══════════════════════════════
   PLAYER PAGE
   ══════════════════════════════ */
.page-player .main {
    margin-left: 0;
    padding-top: calc(var(--topbar-h) + 0.75rem);
}

.player-page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
}

.player-layout {
    display: grid;
    grid-template-columns: 1fr 402px;
    gap: 1.5rem;
    align-items: start;
}

.player-main { min-width: 0; }

.player-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
}

.player-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    overflow: hidden;
}

.player-container iframe, .player-container video { width: 100%; height: 100%; border: none; object-fit: contain; background: #000; }

.player-container .yt-shield-top {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 48px;
    z-index: 10;
    cursor: default;
    background: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent);
}

.player-container .yt-shield-bottom {
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 42px;
    z-index: 10;
    cursor: default;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
}

/* ── Custom Controls ── */
.custom-controls {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.3rem 0.5rem;
    background: #181818;
    user-select: none;
}

.ctrl-btn {
    background: none;
    border: none;
    color: rgba(255,255,255,0.85);
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: all 0.15s;
    line-height: 0;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.ctrl-time {
    color: rgba(255,255,255,0.7);
    font-size: 0.73rem;
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
    min-width: 34px;
    text-align: center;
    padding: 0 1px;
}

.ctrl-time-separator {
    color: rgba(255,255,255,0.35);
    font-size: 0.73rem;
}

.ctrl-progress-wrap {
    flex: 1;
    position: relative;
    height: 20px;
    display: flex;
    align-items: center;
    margin: 0 0.25rem;
}

.ctrl-progress {
    width: 100%;
    height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255,255,255,0.2);
    border-radius: 1.5px;
    outline: none;
    cursor: pointer;
    position: relative;
    z-index: 2;
    margin: 0;
    transition: height 0.1s;
}

.ctrl-progress:hover { height: 5px; }

.ctrl-progress::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 13px; height: 13px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.1s;
}

.ctrl-progress:hover::-webkit-slider-thumb { opacity: 1; }

.ctrl-progress::-moz-range-thumb {
    width: 13px; height: 13px;
    border-radius: 50%;
    background: var(--accent);
    border: none;
    cursor: pointer;
}

.ctrl-progress-fill {
    position: absolute;
    top: 50%; left: 0;
    height: 3px;
    transform: translateY(-50%);
    background: var(--accent);
    border-radius: 1.5px;
    pointer-events: none;
    z-index: 1;
    width: 0%;
    transition: height 0.1s;
}

.ctrl-progress-wrap:hover .ctrl-progress-fill { height: 5px; }

.ctrl-vol-group { display: flex; align-items: center; }

.ctrl-volume {
    width: 0; height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255,255,255,0.2);
    border-radius: 1.5px;
    outline: none;
    cursor: pointer;
    margin: 0;
    opacity: 0;
    transition: width 0.2s, opacity 0.2s;
}

.ctrl-vol-group:hover .ctrl-volume { width: 52px; opacity: 1; }

.ctrl-volume::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
}

.ctrl-volume::-moz-range-thumb {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: #fff;
    border: none;
    cursor: pointer;
}

.player-wrapper:fullscreen {
    display: flex;
    flex-direction: column;
    background: #000;
    border-radius: 0;
}

.player-wrapper:fullscreen .player-container { flex: 1; aspect-ratio: auto; }
.player-wrapper:fullscreen .custom-controls { flex-shrink: 0; }

/* ── Video info ── */
.video-info { padding: 0.75rem 0; }

.video-info h1 {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.video-info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.video-info-channel {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.video-info-channel .ch-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    color: #fff;
}

.video-info-channel .ch-name { font-size: 0.95rem; font-weight: 600; color: var(--text); text-decoration: none; }
.video-info-channel .ch-name:hover { color: var(--accent); }
.video-info-channel .ch-subs { font-size: 0.78rem; color: var(--text-secondary); }

.video-actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    border-radius: 20px;
    background: var(--bg-hover);
    border: none;
    color: var(--text);
    font-size: 0.83rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
}

.action-btn:hover { background: var(--bg-active); }
.action-btn.active { background: var(--primary); color: #fff; }

.action-btn svg { flex-shrink: 0; }

.video-description {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-hover);
    border-radius: var(--radius);
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    cursor: pointer;
    transition: background 0.15s;
}

.video-description:hover { background: var(--bg-active); }

.video-description .desc-stats {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
}

.video-description .desc-text {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-description.expanded .desc-text {
    -webkit-line-clamp: unset;
}

.video-description .desc-toggle {
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    margin-top: 0.3rem;
}

/* ── Related sidebar ── */
.player-sidebar { min-width: 0; }

.related-tabs {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

.related-tab {
    padding: 0.4rem 0.85rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--bg-hover);
    color: var(--text);
    cursor: pointer;
    white-space: nowrap;
    border: none;
    font-family: inherit;
    transition: background 0.15s;
}

.related-tab:hover { background: var(--bg-active); }
.related-tab.active { background: var(--text); color: #fff; }

.related-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.related-card {
    display: flex;
    gap: 0.5rem;
    border-radius: var(--radius-sm);
    transition: background 0.1s;
}

.related-card:hover { background: var(--bg-hover); }

.related-card .r-thumb {
    width: 168px;
    min-width: 168px;
    aspect-ratio: 16/9;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--surface);
    flex-shrink: 0;
    position: relative;
}

.related-card .r-thumb img { width: 100%; height: 100%; object-fit: cover; }

.related-card .r-duration {
    position: absolute;
    bottom: 4px; right: 4px;
    background: rgba(0,0,0,0.85);
    color: #fff;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 500;
}

.related-card .r-info { flex: 1; padding: 0.15rem 0; min-width: 0; }

.related-card .r-title {
    font-size: 0.83rem;
    font-weight: 500;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

.related-card .r-meta {
    font-size: 0.73rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ══════════════════════════════
   BACK / MISC BUTTONS
   ══════════════════════════════ */
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    background: var(--bg-hover);
    color: var(--text);
    border-radius: 20px;
    font-size: 0.83rem;
    font-weight: 500;
    transition: background 0.15s;
    margin-top: 0.75rem;
}

.btn-back:hover { background: var(--bg-active); }

/* ══════════════════════════════
   TOAST NOTIFICATIONS
   ══════════════════════════════ */
.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text);
    color: var(--bg);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    z-index: 200;
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    pointer-events: none;
    white-space: nowrap;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ══════════════════════════════
   BOTTOM NAV (MOBILE)
   ══════════════════════════════ */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: var(--bottomnav-h);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    z-index: 100;
    justify-content: space-around;
    align-items: center;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 4px 12px;
    color: var(--text-secondary);
    font-size: 0.6rem;
    font-weight: 500;
    border: none;
    background: none;
    cursor: pointer;
    transition: color 0.15s;
    font-family: inherit;
}

.bottom-nav-item.active { color: var(--text); }
.bottom-nav-item svg { opacity: 0.7; }
.bottom-nav-item.active svg { opacity: 1; }

/* ══════════════════════════════
   RESPONSIVE
   ══════════════════════════════ */
@media (max-width: 1200px) {
    .player-layout { grid-template-columns: 1fr; }

    .related-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 0.75rem;
    }

    .related-card { flex-direction: column; }
    .related-card .r-thumb { width: 100%; min-width: 0; }
}

/* Hide hamburger menu on desktop (sidebar already visible) */
@media (min-width: 1025px) {
    #menu-toggle { display: none; }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0,0,0,0.5);
    }

    .sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 85;
    }

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

    .main { margin-left: 0; }
}

@media (max-width: 768px) {
    .topbar-center { display: none; }

    .bottom-nav { display: flex; }

    .main { padding: 1rem 0; padding-bottom: calc(var(--bottomnav-h) + 1rem); }

    .chips { padding: 0 0.75rem; margin-bottom: 0.75rem; }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 0.6rem;
        padding: 0;
    }

    .video-card .thumb { border-radius: 0; }

    .video-card .card-info { padding: 0.5rem 0.75rem; }

    .player-page { padding: 0 0 calc(var(--bottomnav-h) + 1rem); }
    .player-wrapper { border-radius: 0; }

    .video-info { padding: 0.5rem 0.75rem; }
    .video-description { margin: 0 0.75rem; }
    .video-actions { padding: 0; }

    .related-list {
        padding: 0 0.75rem;
        grid-template-columns: 1fr;
    }

    .related-title { padding: 0 0.75rem; }

    .ctrl-vol-group .ctrl-volume { display: none !important; }
    .custom-controls { gap: 0.1rem; padding: 0.25rem 0.35rem; }

    .related-card { flex-direction: row; }
    .related-card .r-thumb { width: 160px; min-width: 160px; }
}

@media (max-width: 480px) {
    .video-info h1 { font-size: 1rem; }
    .action-btn { padding: 0.4rem 0.7rem; font-size: 0.78rem; }
}

/* ══════════════════════════════
   SCROLLBAR
   ══════════════════════════════ */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--bg-active); }