:root {
  --bg: #0f1220;
  --card: rgba(255, 255, 255, 0.06);
  --card-hover: rgba(255, 255, 255, 0.11);
  --text: #eef0f8;
  --muted: #9aa0b5;
  --accent: #7c5cff;
  --accent-2: #ff5c8a;
  --radius: 16px;
}

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

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: linear-gradient(160deg, #14182b 0%, var(--bg) 45%, #1a0f2e 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
}
.bg-blob-1 { width: 420px; height: 420px; background: #5c4dff; top: -120px; left: -100px; }
.bg-blob-2 { width: 380px; height: 380px; background: #ff4d94; bottom: -140px; right: -100px; }

.container {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 140px;
}

.hero { text-align: center; margin-bottom: 36px; }
.hero-date {
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.hero-title {
  font-size: 38px;
  font-weight: 800;
  background: linear-gradient(120deg, #ffffff, #b9b3ff, #ff9ec0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
}
.hero-sub { color: var(--muted); font-size: 15px; }
.hero-sub strong { color: var(--text); }

.style-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}
.style-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--card);
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s ease;
  user-select: none;
  font-size: 15px;
  color: var(--text);
}
.style-chip:hover { background: var(--card-hover); transform: translateY(-2px); }
.style-chip.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 6px 24px rgba(124,92,255,.4);
}
.style-chip .emoji { font-size: 18px; }

.mood-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
}
.mood-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .2s ease;
  user-select: none;
  min-width: 84px;
}
.mood-chip:hover { background: var(--card-hover); transform: translateY(-2px); }
.mood-chip.active {
  background: linear-gradient(135deg, rgba(124,92,255,.28), rgba(255,92,138,.22));
  border-color: rgba(160,140,255,.6);
  box-shadow: 0 6px 24px rgba(124,92,255,.35);
}
.mood-chip .emoji { font-size: 26px; }
.mood-chip .label { font-size: 13px; color: var(--text); }

.daily-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 10px;
}
.daily-label { color: var(--muted); font-size: 14px; }
.btn-refresh {
  background: var(--card);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 14px;
  transition: all .2s;
}
.btn-refresh:hover { background: var(--card-hover); }

.playlist { display: flex; flex-direction: column; gap: 10px; }

.song-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 18px;
  text-decoration: none;
  color: var(--text);
  transition: all .2s ease;
  position: relative;
  animation: rise .4s ease both;
  cursor: pointer;
  border: 1px solid transparent;
}
.song-card:hover { background: var(--card-hover); transform: translateX(4px); }
.song-card.playing {
  border-color: rgba(124,92,255,.7);
  background: linear-gradient(135deg, rgba(124,92,255,.18), rgba(255,92,138,.12));
}

.song-rank {
  font-size: 18px;
  font-weight: 800;
  color: var(--muted);
  width: 30px;
  text-align: center;
  flex-shrink: 0;
}
.song-card:nth-child(-n+3) .song-rank { color: #ffd166; }

.song-art {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--g1), var(--g2));
}

.song-info { flex: 1; min-width: 0; }
.song-title { font-size: 16px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.song-artist { font-size: 13px; color: var(--muted); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.song-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; flex-shrink: 0; }
.song-tags { display: flex; gap: 6px; }
.tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(124,92,255,.18);
  color: #c9bdff;
}
.tag.genre { background: rgba(255,92,138,.15); color: #ffb3c8; }
.song-reason { font-size: 12px; color: var(--muted); }

.song-play-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 15px;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform .15s ease;
  display: flex; align-items: center; justify-content: center;
}
.song-play-btn:hover { transform: scale(1.1); }
.song-card.playing .song-play-btn { background: var(--muted); }

.song-ext {
  color: var(--muted);
  text-decoration: none;
  font-size: 16px;
  opacity: 0;
  transition: opacity .2s;
  flex-shrink: 0;
}
.song-card:hover .song-ext { opacity: 1; }
.song-ext:hover { color: var(--text); }

.player {
  position: fixed;
  left: 16px; right: 16px; bottom: 20px;
  background: rgba(15, 18, 32, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  z-index: 30;
  padding: 10px 16px 12px;
  transform: translateY(150%);
  transition: transform .3s ease;
}
.player.show { transform: translateY(0); }
.player-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}
.player-controls { display: flex; align-items: center; gap: 8px; }
.p-btn {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.14);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s;
  flex-shrink: 0;
}
.p-btn:hover { background: var(--card-hover); }
.p-btn-main {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  font-size: 16px;
}
.p-auto { width: auto; padding: 0 12px; border-radius: 999px; font-size: 12px; }
.p-auto.on { background: linear-gradient(135deg, rgba(124,92,255,.35), rgba(255,92,138,.3)); border-color: rgba(160,140,255,.6); color: #fff; }

.player-now {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.player-side { display: flex; align-items: center; gap: 8px; }

.player-progress { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.p-time { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; flex-shrink: 0; }
.p-track {
  flex: 1;
  height: 5px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  cursor: pointer;
  position: relative;
}
.p-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .15s linear;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 48px 0;
  font-size: 15px;
}

.footer { text-align: center; margin-top: 48px; color: var(--muted); font-size: 13px; }
.footer code {
  background: rgba(255,255,255,.08);
  padding: 2px 7px;
  border-radius: 6px;
  font-family: ui-monospace, monospace;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.lyrics-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 20, 0.72);
  backdrop-filter: blur(6px);
  z-index: 40;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lyrics-overlay.show { display: flex; }

.lyrics-panel {
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  background: rgba(20, 24, 44, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}
.lyrics-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.lyrics-title { font-size: 15px; font-weight: 600; color: var(--text); }
.lyrics-body {
  padding: 20px 24px;
  overflow-y: auto;
  text-align: center;
  flex: 1;
}
.lyric-line {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  padding: 7px 0;
  transition: all .25s ease;
  opacity: 0.55;
}
.lyric-line.active {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  opacity: 1;
}
.lyrics-empty { color: var(--muted); padding: 40px 0; font-size: 14px; }

@media (max-width: 560px) {
  .hero-title { font-size: 30px; }
  .song-meta { display: none; }
  .mood-chip { min-width: 70px; padding: 12px 12px; }
}