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

:root {
    --bg: #0a0a0a;
    --surface: #141414;
    --card: #1a1a1a;
    --card-hover: #222;
    --border: #2a2a2a;
    --text: #e0e0e0;
    --text-dim: #888;
    --accent: #8b5cf6;
    --accent-dim: #6d28d9;
    --player-bg: #111;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    padding-bottom: 100px;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.header h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--accent);
    flex-shrink: 0;
}

.search-box {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
    padding: 8px 14px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.search-box:focus { border-color: var(--accent); }
.search-box::placeholder { color: var(--text-dim); }

.sort-select {
    padding: 8px 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    outline: none;
}

.song-count {
    color: var(--text-dim);
    font-size: 13px;
    flex-shrink: 0;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    padding: 24px;
}

/* Card */
.card {
    background: var(--card);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: background 0.15s, transform 0.15s;
    position: relative;
}
.card:hover { background: var(--card-hover); transform: translateY(-2px); }
.card.active { outline: 2px solid var(--accent); }

.card-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
    background: #222;
}

.card-body { padding: 10px 12px 12px; }

.card-title {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
}

.card-badges { display: flex; gap: 6px; flex-wrap: wrap; }

.badge {
    font-size: 10px;
    padding: 2px 7px;
    border-radius: 4px;
    background: var(--border);
    color: var(--text-dim);
    font-weight: 500;
}
.badge.bpm { background: var(--accent-dim); color: #e0d4fc; }

.card-desc {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-votes {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
}

.vote-btn {
    background: var(--border);
    border: none;
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px;
    cursor: pointer;
    color: var(--text-dim);
    transition: background 0.15s;
    line-height: 1.4;
}
.vote-btn:hover { background: #3a3a3a; }

.vote-score {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    min-width: 20px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}
.vote-score.pos { color: #4ade80; }
.vote-score.neg { color: #f87171; }

.card-play-overlay {
    position: absolute;
    top: 0; left: 0; right: 0;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    transition: opacity 0.15s;
    pointer-events: none;
}
.card:hover .card-play-overlay { opacity: 1; }
.card-play-overlay svg { width: 48px; height: 48px; fill: white; }

/* Player */
.player {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--player-bg);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 16px;
    z-index: 200;
}

.player-art {
    width: 52px;
    height: 52px;
    border-radius: 6px;
    object-fit: cover;
    background: #222;
    flex-shrink: 0;
}

.player-info {
    min-width: 0;
    flex: 0 1 200px;
}
.player-title {
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.player-meta {
    font-size: 11px;
    color: var(--text-dim);
}

.player-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.player-controls button {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
}
.player-controls button:hover { color: var(--accent); }
.player-controls button svg { width: 20px; height: 20px; fill: currentColor; }
.player-controls .play-btn svg { width: 28px; height: 28px; }

.player-progress {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.progress-bar {
    flex: 1;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
}
.progress-bar:hover { height: 6px; }

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
}

.time {
    font-size: 11px;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
    min-width: 36px;
}

.volume-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.volume-wrap button svg { width: 18px; height: 18px; }

.volume-slider {
    -webkit-appearance: none;
    width: 80px;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
}
.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

.lyrics-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    cursor: pointer;
    flex-shrink: 0;
}
.lyrics-btn:hover, .lyrics-btn.active { color: var(--accent); border-color: var(--accent); }

/* Lyrics panel */
.lyrics-panel {
    position: fixed;
    bottom: 80px;
    left: 0;
    right: 0;
    max-height: 0;
    overflow: hidden;
    background: var(--surface);
    border-top: 1px solid var(--border);
    z-index: 199;
    transition: max-height 0.3s ease;
}
.lyrics-panel.open { max-height: 300px; overflow-y: auto; }

.lyrics-content {
    padding: 20px 24px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-dim);
    white-space: pre-wrap;
}

/* Empty state */
.empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-dim);
    font-size: 15px;
}

/* Mixer */
.mixer-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    cursor: pointer;
    flex-shrink: 0;
}
.mixer-btn:hover, .mixer-btn.active { color: var(--accent); border-color: var(--accent); }

.mixer {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 180px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    z-index: 300;
    display: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.mixer.open { display: block; }

.mixer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    cursor: grab;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-dim);
    letter-spacing: 1px;
    text-transform: uppercase;
    user-select: none;
}
.mixer-header:active { cursor: grabbing; }

.mixer-close {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 16px;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
}
.mixer-close:hover { color: var(--text); }

.mixer-knobs {
    display: flex;
    justify-content: space-around;
    padding: 14px 8px 12px;
}

.knob-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.knob {
    cursor: grab;
    touch-action: none;
}
.knob:active { cursor: grabbing; }

.knob-label {
    font-size: 9px;
    font-weight: 600;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

.knob-val {
    font-size: 9px;
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

@media (max-width: 600px) {
    .header { padding: 12px 16px; gap: 12px; }
    .grid { padding: 16px; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .player { padding: 0 12px; gap: 10px; }
    .player-info { flex: 0 1 120px; }
    .volume-wrap { display: none; }
}