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

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #0e0e12;
    color: #e8e8ee;
    min-height: 100vh;
}

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

/* Верхняя панель */
.topbar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    border-bottom: 1px solid #1e1e28;
    position: sticky;
    top: 0;
    background: #0e0e12ee;
    backdrop-filter: blur(6px);
    z-index: 10;
}
.topbar h1 { font-size: 18px; font-weight: 600; }
.topbar .count {
    font-size: 12px;
    background: #1f1f2a;
    padding: 3px 10px;
    border-radius: 12px;
    color: #9a9ab0;
}
.topbar .back {
    font-size: 14px;
    color: #8f9fff;
}
.topbar .crumb {
    color: #7a7a90;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 14px;
}

/* ==== Сетка превью ==== */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    padding: 20px;
    max-width: 1600px;
    margin: 0 auto;
}

.card {
    background: #16161e;
    border-radius: 12px;
    overflow: hidden;
    transition: transform .15s, box-shadow .15s;
    display: flex;
    flex-direction: column;
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px #0008;
}

.thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
    overflow: hidden;
}
.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.thumb .ext {
    position: absolute;
    top: 8px; left: 8px;
    background: #000a;
    color: #fff;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: .5px;
}

.thumb .play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    color: #fff;
    text-shadow: 0 2px 12px #000a;
    opacity: 0;
    transition: opacity .15s;
    background: radial-gradient(circle, #0005, transparent 70%);
}

.thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #0a0a10;
    overflow: hidden;
}

/* Заглушка: иконка плеера, пока превью не готово */
.thumb::before {
    content: "🎬";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    color: #3a3a4d;
    z-index: 1;
}

/* Сам <video> не показываем — он нужен только как источник кадра */
.thumb .preview {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
    left: -9999px;
}

/* Canvas поверх заглушки, но скрыт, пока кадр не нарисован */
.thumb .preview-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 2;
    opacity: 0;
    transition: opacity .25s;
}

.card.has-preview .preview-canvas { opacity: 1; }
.card.has-preview .thumb::before { display: none; }

.thumb .ext {
    position: absolute;
    top: 8px; left: 8px;
    background: #000a;
    color: #fff;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: .5px;
    z-index: 3;
}

.thumb .play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    color: #fff;
    text-shadow: 0 2px 12px #000a;
    opacity: 0;
    transition: opacity .15s;
    background: radial-gradient(circle, #0005, transparent 70%);
    z-index: 4;
    pointer-events: none;
}
.card:hover .play { opacity: 1; }

.card .meta {
    padding: 10px 12px 12px;
}
.card .title {
    font-size: 14px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 4px;
}
.card .info {
    font-size: 12px;
    color: #7a7a90;
}

.empty {
    padding: 40px 20px;
    text-align: center;
    color: #888;
}

/* ==== Страница просмотра ==== */
.app {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 16px;
    padding: 16px;
    max-width: 1600px;
    margin: 0 auto;
    height: calc(100vh - 55px);
}

.player {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
}

.player video {
    width: 100%;
    flex: 1;
    min-height: 0;
    background: #000;
    border-radius: 12px;
    outline: none;
}

.now-playing {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    background: #16161e;
    border-radius: 8px;
    font-size: 14px;
}
.now-playing span { color: #7a7a90; font-size: 13px; }

.nav {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}
.btn {
    padding: 8px 14px;
    background: #1f1f2a;
    border-radius: 8px;
    font-size: 13px;
    color: #cfcfe0;
    max-width: 45%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: background .15s;
}
.btn:hover { background: #2a2a38; }

/* Плейлист */
.playlist {
    background: #16161e;
    border-radius: 12px;
    overflow-y: auto;
    padding: 12px;
}
.playlist h2 {
    font-size: 14px;
    font-weight: 600;
    color: #cfcfe0;
    margin-bottom: 10px;
}
.playlist ul { list-style: none; }

.playlist li {
    margin-bottom: 4px;
    border-radius: 8px;
    overflow: hidden;
    transition: background .15s;
}
.playlist li:hover { background: #22222c; }
.playlist li.active { background: #3a5eff; }

.playlist li a {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 10px;
    align-items: center;
    padding: 6px;
    font-size: 13px;
}
.playlist .mini {
    width: 72px;
    height: 40px;
    object-fit: cover;
    border-radius: 6px;
    background: #000;
}
.playlist .title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Мобильный */
@media (max-width: 800px) {
    .app {
        grid-template-columns: 1fr;
        height: auto;
    }
    .player video { max-height: 50vh; }
    .playlist { max-height: 45vh; }
    .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; padding: 12px; }
    .thumb .play { display: none; }
}
.mini-wrap {
    position: relative;
    width: 72px;
    height: 40px;
    background: #0a0a10;
    border-radius: 6px;
    overflow: hidden;
    display: block;
}
.mini-wrap .preview {
    position: absolute;
    width: 1px; height: 1px;
    opacity: 0; left: -9999px;
}
.mini-wrap .preview-canvas {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    opacity: 0;
    transition: opacity .2s;
}
.mini-wrap.has-preview .preview-canvas { opacity: 1; }