/* ============================================================
   VideoHub — Main Stylesheet
   Dark Theme, Modern YouTube-like UI
   ============================================================ */

/* === CSS Custom Properties === */
:root {
    --bg-primary:    #0f0f0f;
    --bg-secondary:  #1a1a1a;
    --bg-elevated:   #212121;
    --bg-hover:      #2a2a2a;
    --bg-card:       #1e1e1e;
    --border:        rgba(255,255,255,0.08);
    --accent:        #ff2d55;
    --accent-hover:  #ff1744;
    --accent-glow:   rgba(255,45,85,0.25);
    --text-primary:  #f1f1f1;
    --text-secondary:#aaaaaa;
    --text-muted:    #717171;
    --nav-h:         56px;
    --cat-h:         48px;
    --radius-sm:     6px;
    --radius-md:     10px;
    --radius-lg:     16px;
    --shadow-card:   0 2px 16px rgba(0,0,0,0.5);
    --transition:    0.2s ease;
    --font-main:     'Outfit', system-ui, sans-serif;
    --font-mono:     'Space Mono', monospace;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #444; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #666; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--nav-h);
    background: rgba(15,15,15,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1600px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 16px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    flex-shrink: 0;
    transition: opacity var(--transition);
}
.nav-logo svg { color: var(--accent); }
.nav-logo span {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}
.nav-logo:hover { opacity: 0.85; }

/* Search */
.search-form { flex: 1; max-width: 680px; margin: 0 auto; }

.search-wrap {
    display: flex;
    border: 1px solid var(--border);
    border-radius: 40px;
    overflow: hidden;
    background: var(--bg-secondary);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.search-wrap:focus-within {
    border-color: rgba(255,255,255,0.3);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    padding: 0 18px;
    color: var(--text-primary);
    font-size: 0.95rem;
    height: 38px;
}
.search-input::placeholder { color: var(--text-muted); }

.search-btn {
    width: 54px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border: none;
    border-left: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}
.search-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.nav-actions { flex-shrink: 0; }

.btn-admin {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.btn-admin:hover { background: var(--bg-hover); border-color: rgba(255,255,255,0.2); }

/* ============================================================
   CATEGORY BAR
   ============================================================ */
.category-bar {
    position: sticky;
    top: var(--nav-h);
    z-index: 900;
    height: var(--cat-h);
    background: rgba(15,15,15,0.97);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.category-inner {
    max-width: 1600px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 16px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.category-inner::-webkit-scrollbar { display: none; }

.cat-pill {
    flex-shrink: 0;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border: 1px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
}
.cat-pill:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}
.cat-pill.active {
    color: var(--bg-primary);
    background: var(--text-primary);
    border-color: transparent;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: calc(var(--nav-h) + var(--cat-h) + 24px) 16px 48px;
    min-height: 100vh;
}

/* Section header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}
.section-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================================
   VIDEO GRID
   ============================================================ */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.video-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: transparent;
    cursor: pointer;
    transition: transform var(--transition);
}
.video-card:hover { transform: translateY(-2px); }
.video-card:hover .video-thumb-img { filter: brightness(1.1); }

.video-thumb {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.video-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter var(--transition), transform 0.4s ease;
    loading: lazy;
}
.video-card:hover .video-thumb-img { transform: scale(1.03); }

.video-duration {
    position: absolute;
    bottom: 8px; right: 8px;
    background: rgba(0,0,0,0.85);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.03em;
}

.video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0);
    transition: background var(--transition);
}
.video-card:hover .video-play-overlay { background: rgba(0,0,0,0.3); }

.play-icon {
    width: 54px; height: 54px;
    background: rgba(0,0,0,0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--transition), transform var(--transition);
}
.video-card:hover .play-icon { opacity: 1; transform: scale(1); }

.video-info { padding: 10px 2px 4px; }

.video-title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.video-meta .dot { opacity: 0.5; }

.video-category-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 6px;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}
.empty-icon {
    width: 80px; height: 80px;
    margin: 0 auto 20px;
    opacity: 0.3;
}
.empty-state h2 { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 8px; }
.empty-state p { font-size: 0.9rem; }

/* ============================================================
   WATCH PAGE
   ============================================================ */
.watch-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 24px;
    align-items: start;
}

@media (max-width: 1100px) {
    .watch-layout { grid-template-columns: 1fr; }
}

.watch-main {}

/* Video Player Container */
.player-container {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #000;
    aspect-ratio: 16/9;
    position: relative;
}

/* VideoJS HTML Web Component */
video-player {
    width: 100%;
    height: 100%;
    display: block;
}

video-player video {
    width: 100%;
    height: 100%;
    display: block;
}

.media-container {
    width: 100%;
    height: 100%;
}

/* Video details */
.video-detail-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
    margin: 16px 0 8px;
}

.video-detail-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.875rem;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.views-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-secondary);
}

.video-detail-desc {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 16px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}
.video-detail-desc.collapsed {
    max-height: 80px;
    overflow: hidden;
    position: relative;
}
.video-detail-desc.collapsed::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 40px;
    background: linear-gradient(transparent, var(--bg-secondary));
}

.desc-toggle {
    margin-top: 8px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    padding: 4px 0;
    transition: color var(--transition);
}
.desc-toggle:hover { color: var(--text-primary); }

/* Related videos sidebar */
.related-sidebar {}
.related-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.related-card {
    display: flex;
    gap: 10px;
    border-radius: var(--radius-sm);
    padding: 8px;
    margin-bottom: 8px;
    transition: background var(--transition);
    cursor: pointer;
}
.related-card:hover { background: var(--bg-secondary); }

.related-thumb {
    flex-shrink: 0;
    width: 160px;
    aspect-ratio: 16/9;
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-elevated);
    position: relative;
}
.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-info { flex: 1; min-width: 0; }
.related-video-title {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
}
.related-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-link {
    min-width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.page-link:hover { background: var(--bg-hover); color: var(--text-primary); }
.page-link.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.page-link.disabled { opacity: 0.4; pointer-events: none; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 24px 16px;
    margin-top: 48px;
}
.footer-inner {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-secondary);
}
.footer-logo svg { color: var(--accent); }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================================
   ALERTS / FLASH MESSAGES
   ============================================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.alert-success { background: rgba(34,197,94,0.12); color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.alert-error   { background: rgba(239,68,68,0.12);  color: #f87171; border: 1px solid rgba(239,68,68,0.2);  }
.alert-info    { background: rgba(59,130,246,0.12); color: #60a5fa; border: 1px solid rgba(59,130,246,0.2); }

/* ============================================================
   ADMIN PANEL
   ============================================================ */

/* Admin Login */
.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-card);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}
.login-logo svg { color: var(--accent); margin: 0 auto 10px; }
.login-logo h1 { font-size: 1.5rem; font-weight: 700; }
.login-logo p { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* Admin Layout */
.admin-body {
    display: flex;
    min-height: 100vh;
    background: var(--bg-primary);
}

.admin-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 200;
    transition: transform 0.3s ease;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px 24px;
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    font-size: 1.05rem;
}
.sidebar-logo svg { color: var(--accent); }

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.sidebar-section-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 8px 8px 4px;
    margin-top: 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
    margin-bottom: 2px;
}
.sidebar-link:hover { background: var(--bg-hover); color: var(--text-primary); }
.sidebar-link.active { background: var(--accent-glow); color: var(--accent); }
.sidebar-link svg { flex-shrink: 0; }

.sidebar-bottom {
    padding: 16px 12px;
    border-top: 1px solid var(--border);
}

.admin-content {
    flex: 1;
    margin-left: 240px;
    padding: 32px;
    min-height: 100vh;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.admin-page-title {
    font-size: 1.4rem;
    font-weight: 700;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.stat-icon.red    { background: rgba(255,45,85,0.15); color: var(--accent); }
.stat-icon.blue   { background: rgba(59,130,246,0.15); color: #60a5fa; }
.stat-icon.green  { background: rgba(34,197,94,0.15); color: #4ade80; }
.stat-icon.purple { background: rgba(168,85,247,0.15); color: #c084fc; }

.stat-number { font-size: 1.6rem; font-weight: 700; line-height: 1; }
.stat-label  { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

/* Admin Table */
.admin-table-wrap {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
}

.admin-table td {
    padding: 12px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--bg-hover); }

.table-thumb {
    width: 100px;
    aspect-ratio: 16/9;
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-elevated);
}
.table-thumb img { width: 100%; height: 100%; object-fit: cover; }

.table-title { font-weight: 600; color: var(--text-primary); max-width: 260px; }
.table-title a { transition: color var(--transition); }
.table-title a:hover { color: var(--accent); }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-cat { background: rgba(96,165,250,0.15); color: #60a5fa; }

/* Action buttons */
.btn-action {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition);
}
.btn-edit   { background: rgba(59,130,246,0.15); color: #60a5fa; border-color: rgba(59,130,246,0.2); }
.btn-delete { background: rgba(239,68,68,0.12);  color: #f87171; border-color: rgba(239,68,68,0.2);  }
.btn-edit:hover   { background: rgba(59,130,246,0.25); }
.btn-delete:hover { background: rgba(239,68,68,0.25); }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 7px;
}
.form-label span { color: var(--accent); }

.form-control {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
}
.form-control:focus {
    border-color: rgba(255,255,255,0.3);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 100px; line-height: 1.6; }
select.form-control { cursor: pointer; }

.form-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 5px; }

.form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px;
}

/* File upload drop zone */
.file-drop {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg-primary);
    position: relative;
}
.file-drop:hover, .file-drop.dragover {
    border-color: var(--accent);
    background: var(--accent-glow);
}
.file-drop input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}
.file-drop-icon { color: var(--text-muted); margin-bottom: 8px; }
.file-drop-label { font-size: 0.9rem; color: var(--text-secondary); }
.file-drop-label strong { color: var(--accent); }
.file-drop-hint { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

.file-preview {
    margin-top: 12px;
    display: none;
}
.file-preview img { max-height: 120px; border-radius: 6px; margin: 0 auto; }
.file-preview-name { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; text-align: center; }

/* Progress bar */
.upload-progress { display: none; margin-top: 12px; }
.progress-bar-wrap {
    background: var(--bg-primary);
    border-radius: 99px;
    height: 6px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    background: var(--accent);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 99px;
}
.progress-text { font-size: 0.78rem; color: var(--text-muted); margin-top: 6px; text-align: right; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 4px 16px var(--accent-glow); }
.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-danger {
    background: rgba(239,68,68,0.15);
    color: #f87171;
    border: 1px solid rgba(239,68,68,0.2);
}
.btn-danger:hover { background: rgba(239,68,68,0.25); }
.btn:disabled { opacity: 0.5; pointer-events: none; }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 440px;
    width: 100%;
    transform: scale(0.95);
    transition: transform var(--transition);
}
.modal-overlay.active .modal-box { transform: scale(1); }

.modal-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.modal-text  { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.6; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ============================================================
   MOBILE SIDEBAR TOGGLE
   ============================================================ */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1001;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    color: var(--text-primary);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .nav-logo span { display: none; }
    .search-form { max-width: none; }

    .video-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }

    .admin-sidebar { transform: translateX(-100%); }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-content { margin-left: 0; padding: 20px 16px; }
    .sidebar-toggle { display: flex; }

    .related-thumb { width: 120px; }
}

@media (max-width: 480px) {
    .video-grid { grid-template-columns: 1fr; }
    .related-card { flex-direction: column; }
    .related-thumb { width: 100%; }
}

/* ============================================================
   LOADING SKELETON
   ============================================================ */
.skeleton {
    background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);
    background-size: 200% 100%;
    animation: skeleton-shine 1.4s infinite;
    border-radius: var(--radius-sm);
}
@keyframes skeleton-shine {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================================
   LAZY LOAD FADE IN
   ============================================================ */
img[data-src] { opacity: 0; transition: opacity 0.4s ease; }
img.loaded { opacity: 1; }

/* ============================================================
   TOAST NOTIFICATION
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}
.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.175,0.885,0.32,1.275);
    pointer-events: all;
    max-width: 320px;
}
.toast.show { transform: translateX(0); }
.toast.success { border-color: rgba(34,197,94,0.3); }
.toast.error   { border-color: rgba(239,68,68,0.3); }