:root {
  --bg: #0f1115;
  --bg-2: #171a21;
  --bg-3: #1f232c;
  --fg: #e6e8ee;
  --muted: #8a92a4;
  --accent: #6aa6ff;
  --accent-2: #8f7bff;
  --danger: #ff6a6a;
  --border: #262b36;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, Cantarell, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  padding-bottom: 120px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1000px; margin: 0 auto; padding: 1rem 1.25rem; }

.site-header {
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.75rem 1.25rem; max-width: 1000px; margin: 0 auto; }
.brand { font-weight: 700; font-size: 1.2rem; color: var(--fg); }
.nav { display: flex; gap: 1rem; align-items: center; }
.nav a { color: var(--muted); }
.nav a.active, .nav a:hover { color: var(--fg); }

.btn-small { background: var(--accent); color: #0b0d12 !important; padding: 0.35rem 0.75rem; border-radius: var(--radius); font-weight: 600; }
.btn-small:hover { text-decoration: none; background: var(--accent-2); }

.btn-primary {
  background: var(--accent); color: #0b0d12; border: none;
  padding: 0.55rem 1rem; border-radius: var(--radius); font-weight: 600; cursor: pointer;
}
.btn-primary:hover { background: var(--accent-2); }
.btn-link { color: var(--muted); margin-left: 0.75rem; }

button.linklike { background: none; border: none; color: var(--accent); padding: 0; cursor: pointer; font: inherit; }
button.linklike.danger { color: var(--danger); }
.inline-form { display: inline; margin-left: 0.5rem; }
.inline-row { display: flex; gap: 0.5rem; align-items: center; margin-top: 0.5rem; }

.hero { padding: 2rem 0 1rem; }
.hero h1 { margin: 0 0 0.25rem 0; font-size: 1.8rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; }
.card {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: block; color: var(--fg);
}
.card:hover { border-color: var(--accent); text-decoration: none; }
.card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.cover-fallback {
  aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--bg-3), var(--bg-2));
  font-size: 2.5rem; color: var(--muted);
}
.card-body { padding: 0.6rem 0.8rem; }
.card-title { font-weight: 600; }

.song-list { list-style: none; margin: 0; padding: 0; }
.song-row {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.5rem 0.5rem; border-bottom: 1px solid var(--border);
}
.song-row:hover { background: var(--bg-2); }
.song-cover { width: 44px; height: 44px; border-radius: 6px; object-fit: cover; }
.song-cover.cover-fallback { font-size: 1.25rem; }
.song-main { flex: 1; min-width: 0; }
.song-title { display: block; color: var(--fg); font-weight: 500; }
.song-meta { width: 56px; text-align: right; }
.btn-play {
  background: var(--bg-3); color: var(--fg); border: 1px solid var(--border);
  padding: 0.35rem 0.7rem; border-radius: var(--radius); cursor: pointer;
}
.btn-play:hover { background: var(--accent); color: #0b0d12; border-color: var(--accent); }

.song-detail { display: flex; gap: 1.5rem; align-items: center; padding: 1rem 0 2rem; }
.song-detail-cover { width: 200px; height: 200px; border-radius: var(--radius); object-fit: cover; }

.form-card {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem 1.5rem; margin: 1rem 0; max-width: 560px;
}
.stacked { display: flex; flex-direction: column; gap: 0.9rem; }
.stacked label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; color: var(--muted); }
.stacked input[type=text], .stacked input[type=email], .stacked input[type=password],
.stacked input[type=number], .stacked textarea, .stacked select, .stacked input[type=search] {
  background: var(--bg-3); color: var(--fg); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.55rem 0.7rem; font: inherit;
}
.stacked input[type=file] { color: var(--muted); }
.stacked .row { flex-direction: row; gap: 0.75rem; align-items: center; }
.stacked .checkbox { flex-direction: row; align-items: center; gap: 0.5rem; }
.err { color: var(--danger); font-size: 0.8rem; }

.search-form { display: flex; gap: 0.5rem; align-items: center; margin: 1rem 0; }
.search-form input[type=search] {
  flex: 1; background: var(--bg-2); color: var(--fg); border: 1px solid var(--border);
  padding: 0.55rem 0.8rem; border-radius: var(--radius); font: inherit;
}
.search-form button {
  background: var(--bg-3); color: var(--fg); border: 1px solid var(--border);
  padding: 0.55rem 1rem; border-radius: var(--radius); cursor: pointer;
}

.pagination { display: flex; gap: 1rem; align-items: center; padding: 1rem 0; }

.flash { margin: 0.75rem auto; max-width: 1000px; padding: 0.6rem 1rem; border-radius: var(--radius); }
.flash-success { background: rgba(106, 255, 166, 0.1); color: #8af0b5; border: 1px solid rgba(106,255,166,0.3); }
.flash-error { background: rgba(255, 106, 106, 0.1); color: #ffb0b0; border: 1px solid rgba(255,106,106,0.3); }

.row-between { display: flex; justify-content: space-between; align-items: center; }
.tabs { display: flex; gap: 1rem; border-bottom: 1px solid var(--border); margin: 1rem 0; }
.tabs a { padding: 0.5rem 0; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--fg); border-color: var(--accent); }

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); }
.data-table th { color: var(--muted); font-weight: 500; font-size: 0.85rem; }
.data-table .actions { white-space: nowrap; }

.track-list { padding-left: 1.2rem; }
.track-list li { margin: 0.35rem 0; display: flex; justify-content: space-between; gap: 1rem; }

.player-bar {
  position: fixed; left: 0; right: 0; bottom: 0;
  background: var(--bg-2); border-top: 1px solid var(--border);
  padding: 0.6rem 1rem; display: flex; align-items: center; gap: 1rem;
  z-index: 20;
}
.player-now { display: flex; align-items: center; gap: 0.75rem; min-width: 0; width: 260px; }
.player-now img { width: 44px; height: 44px; border-radius: 6px; object-fit: cover; background: var(--bg-3); }
.player-meta { min-width: 0; }
.player-meta #player-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#player-audio { flex: 1; max-width: 100%; }
.player-queue { display: flex; align-items: center; gap: 0.5rem; }
#player-next { background: var(--bg-3); color: var(--fg); border: 1px solid var(--border); padding: 0.4rem 0.6rem; border-radius: 8px; cursor: pointer; }

@media (max-width: 720px) {
  .player-bar { flex-wrap: wrap; }
  .player-now { width: auto; flex: 1; }
  #player-audio { width: 100%; order: 3; }
  .song-detail { flex-direction: column; align-items: flex-start; }
  .song-detail-cover { width: 100%; height: auto; max-width: 300px; }
}