:root {
    --bg-deep: #060a12;
    --bg-surface: #0f1723;
    --bg-card: #141f2e;
    --border-soft: #223247;
    --text-primary: #f2f5f9;
    --text-secondary: #9fb0c3;
    --accent-blue: #17a9f0;
    --accent-blue-dim: #0f7dbb;
    --accent-orange: #ff7a33;
    --danger: #ef4444;
    --success: #22c55e;
    --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-body);
    scroll-behavior: smooth;
}

a { color: inherit; text-decoration: none; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(6, 10, 18, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-soft);
}

.header-inner {
    max-width: 1440px;
    margin: 0 auto;
    padding: 14px 32px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dim));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 18px;
    letter-spacing: 1px;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 24px;
    letter-spacing: 2px;
}

.brand-accent { color: var(--accent-orange); }

.main-nav {
    display: flex;
    gap: 24px;
    flex: 1;
}

.main-nav a {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
    transition: color 0.15s ease;
}

.main-nav a:hover { color: var(--text-primary); }

.header-search {
    display: flex;
    align-items: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: 20px;
    padding: 6px 8px 6px 16px;
    gap: 6px;
}

.header-search input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 13px;
    width: 220px;
}

.header-search button {
    background: var(--accent-blue);
    border: none;
    color: #04121c;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.hero {
    position: relative;
    min-height: 460px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    border-bottom: 1px solid var(--border-soft);
}

.hero-empty {
    background: linear-gradient(160deg, #0f1c2d, #060a12);
    min-height: 320px;
    align-items: center;
}

.hero-content {
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 0 32px 48px;
}

.hero-eyebrow {
    display: inline-block;
    color: var(--accent-orange);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 56px;
    letter-spacing: 1px;
    margin: 0 0 14px;
    max-width: 760px;
    line-height: 1;
}

.hero-desc {
    color: var(--text-secondary);
    max-width: 560px;
    font-size: 15px;
    line-height: 1.6;
    margin: 0 0 22px;
}

.hero-actions {
    display: flex;
    gap: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: transform 0.12s ease, background 0.15s ease;
}

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

.btn-primary {
    background: var(--accent-blue);
    color: #04121c;
}

.btn-primary:hover { background: #33b8f4; }

.btn-secondary {
    background: rgba(255,255,255,0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
}

.btn-secondary:hover { background: rgba(255,255,255,0.14); }

.btn-block { width: 100%; justify-content: center; margin-top: 10px; }

.search-banner {
    max-width: 1440px;
    margin: 20px auto 0;
    padding: 0 32px;
    color: var(--text-secondary);
    font-size: 14px;
}

.row-section {
    max-width: 1440px;
    margin: 0 auto;
    padding: 40px 32px 8px;
}

.row-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 18px;
}

.row-header h2 {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 0.5px;
    margin: 0;
}

.row-count {
    color: var(--text-secondary);
    font-size: 13px;
}

.empty-row {
    color: var(--text-secondary);
    font-size: 14px;
    padding: 20px 0;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.media-card {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
    display: block;
}

.media-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue-dim);
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.card-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #060a12;
    overflow: hidden;
}

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

.card-thumb-pdf {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(150deg, #17222f, #0b1119);
    color: var(--accent-orange);
}

.card-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(6,10,18,0.35);
    opacity: 0;
    transition: opacity 0.15s ease;
    color: #fff;
}

.media-card:hover .card-play { opacity: 1; }

.card-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.5px;
    padding: 3px 7px;
    border-radius: 4px;
    color: #04121c;
}

.card-badge-video { background: var(--accent-blue); }
.card-badge-pdf { background: var(--accent-orange); }

.card-info { padding: 12px 14px 16px; }

.card-info h3 {
    font-size: 14px;
    margin: 0 0 6px;
    font-weight: 700;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    color: var(--text-secondary);
    font-size: 12px;
}

.site-footer {
    border-top: 1px solid var(--border-soft);
    margin-top: 60px;
    padding: 28px 32px;
    color: var(--text-secondary);
    font-size: 13px;
}

.footer-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-dot { opacity: 0.5; }

.footer-inner a:hover { color: var(--text-primary); }

.watch-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 32px 60px;
}

.player-shell {
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    margin: 0 auto;
    border: 1px solid var(--border-soft);
    resize: both;
    min-width: 320px;
    min-height: 240px;
}

.player-shell[data-size="small"] { width: 480px; }
.player-shell[data-size="theater"] { width: 100%; }
.player-shell[data-size="large"] { width: 100%; max-width: 1400px; }

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

#ytPlayer, #ytPlayer iframe {
    width: 100%;
    height: 100%;
    display: block;
}

.player-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.control-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: #0a0f16;
    border-top: 1px solid var(--border-soft);
    flex-wrap: wrap;
}

.ctrl-btn {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 6px;
    transition: background 0.15s ease;
    font-weight: 700;
    font-size: 12px;
}

.ctrl-btn:hover { background: rgba(255,255,255,0.08); }

.time-elapsed, .time-remaining {
    font-variant-numeric: tabular-nums;
    font-size: 13px;
    color: var(--text-secondary);
    min-width: 44px;
    text-align: center;
}

.seek-bar {
    flex: 1;
    min-width: 100px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 6px;
}

.volume-slider {
    width: 90px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.resize-control {
    display: flex;
    align-items: center;
    gap: 4px;
    border-left: 1px solid var(--border-soft);
    padding-left: 12px;
}

.size-btn.active { background: var(--accent-blue); color: #04121c; }

.watch-info { padding: 26px 4px 10px; max-width: 900px; }

.watch-info h1 {
    font-family: var(--font-display);
    font-size: 32px;
    letter-spacing: 0.5px;
    margin: 0 0 10px;
}

.watch-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 14px;
}

.pill {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-blue);
}

.watch-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 14px;
}

.pdf-shell { padding: 0 4px; }

.pdf-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.pdf-toolbar h1 {
    font-family: var(--font-display);
    font-size: 30px;
    letter-spacing: 0.5px;
    margin: 0;
}

.pdf-frame-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    overflow: hidden;
    height: 82vh;
    margin-bottom: 20px;
}

.pdf-frame { width: 100%; height: 100%; border: none; background: #fff; }

.admin-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 32px 80px;
}

.admin-login-box {
    max-width: 380px;
    margin: 60px auto;
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    padding: 32px;
}

.admin-login-box h1 {
    font-family: var(--font-display);
    font-size: 28px;
    margin: 0 0 20px;
}

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

.admin-header h1 {
    font-family: var(--font-display);
    font-size: 34px;
    letter-spacing: 0.5px;
    margin: 0;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 46px;
}

.admin-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    padding: 24px;
}

.admin-panel h2 {
    font-family: var(--font-display);
    font-size: 22px;
    margin: 0 0 4px;
    letter-spacing: 0.5px;
}

.panel-hint {
    color: var(--text-secondary);
    font-size: 12.5px;
    margin: 0 0 16px;
}

label {
    display: block;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text-secondary);
    margin: 14px 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

input[type="text"], input[type="password"], input[type="file"], textarea {
    width: 100%;
    background: var(--bg-surface);
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-body);
}

textarea { resize: vertical; }

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 12px;
}

.alert-error { background: rgba(239,68,68,0.12); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.alert-success { background: rgba(34,197,94,0.12); color: #86efac; border: 1px solid rgba(34,197,94,0.3); }

.admin-list-section { margin-bottom: 40px; }

.admin-list-section h2 {
    font-family: var(--font-display);
    font-size: 24px;
    letter-spacing: 0.5px;
    margin: 0 0 16px;
}

.admin-table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.admin-table th {
    text-align: left;
    padding: 12px 16px;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 1px solid var(--border-soft);
}

.admin-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-soft);
    vertical-align: middle;
}

.table-thumb {
    width: 64px;
    height: 36px;
    object-fit: cover;
    border-radius: 4px;
    display: block;
}

.table-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.table-actions a { color: var(--accent-blue); font-weight: 600; }
.table-actions a:hover { text-decoration: underline; }

.link-danger {
    background: none;
    border: none;
    color: var(--danger);
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    font-size: 13.5px;
    font-family: var(--font-body);
}

.link-danger:hover { text-decoration: underline; }

@media (max-width: 780px) {
    .header-inner { flex-wrap: wrap; padding: 12px 18px; }
    .main-nav { order: 3; width: 100%; gap: 16px; }
    .header-search input { width: 140px; }
    .hero-title { font-size: 36px; }
    .row-section, .watch-main, .admin-main { padding-left: 18px; padding-right: 18px; }
    .control-bar { gap: 8px; }
    .volume-slider { width: 60px; }
}