* { box-sizing: border-box; }
:root {
  --bg: #090a0f;
  --card: #12141c;
  --card2: #181b25;
  --text: #f7f7fb;
  --muted: #969baa;
  --accent: #8b5cf6;
  --accent2: #ec4899;
  --line: rgba(255,255,255,.08);
}
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(139,92,246,.20), transparent 32%),
    radial-gradient(circle at 90% 15%, rgba(236,72,153,.13), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.topbar {
  max-width: 1180px;
  margin: auto;
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand { font-weight: 900; letter-spacing: 2px; font-size: 20px; }
.brand span { color: #a78bfa; }
.status { color: var(--muted); font-size: 13px; }
.app { max-width: 1120px; margin: 0 auto; padding: 50px 28px 80px; }
.hero {
  display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 42px;
}
.eyebrow { color: #a78bfa; font-size: 12px; font-weight: 800; letter-spacing: 3px; }
h1 { font-size: clamp(42px, 7vw, 76px); line-height: .98; margin: 12px 0 20px; letter-spacing: -3px; }
h1 span { color: #a78bfa; }
.sub { max-width: 570px; color: var(--muted); line-height: 1.6; }
.upload-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  padding: 14px 20px; border-radius: 12px; font-weight: 800; cursor: pointer;
  white-space: nowrap; box-shadow: 0 12px 35px rgba(139,92,246,.2);
}
.player-card {
  display: grid; grid-template-columns: 310px 1fr; gap: 38px;
  background: rgba(18,20,28,.88); border: 1px solid var(--line); border-radius: 25px;
  padding: 30px; box-shadow: 0 25px 80px rgba(0,0,0,.25); backdrop-filter: blur(12px);
}
.cover {
  min-height: 310px; border-radius: 18px; display: grid; place-items: center;
  font-size: 110px; font-weight: 900; color: white;
  background: linear-gradient(145deg, #312e81, #7c3aed 45%, #db2777);
}
.now { display: flex; flex-direction: column; justify-content: center; }
.now-label { color: #a78bfa; font-size: 11px; font-weight: 900; letter-spacing: 2px; }
h2 { margin: 8px 0 5px; }
#artist { margin: 0 0 32px; color: var(--muted); }
.timeline { display: grid; grid-template-columns: 40px 1fr 40px; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
input[type="range"] { width: 100%; accent-color: var(--accent); cursor: pointer; }
.controls { display: flex; justify-content: center; align-items: center; gap: 18px; margin: 25px 0; }
button {
  border: 0; color: white; background: transparent; cursor: pointer;
  font-size: 20px;
}
button:hover { transform: scale(1.06); }
.small { width: 42px; height: 42px; opacity: .8; }
.play {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  font-size: 24px; box-shadow: 0 10px 28px rgba(139,92,246,.3);
}
.volume-row { display: flex; align-items: center; gap: 12px; max-width: 230px; margin: auto; width: 100%; }
.playlist-section { margin-top: 48px; }
.section-head { display: flex; justify-content: space-between; align-items: center; }
.text-btn { color: var(--muted); font-size: 13px; }
.playlist { margin-top: 16px; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.track {
  display: grid; grid-template-columns: 48px 1fr auto; gap: 15px; align-items: center;
  padding: 15px 18px; border-bottom: 1px solid var(--line); cursor: pointer;
}
.track:last-child { border-bottom: 0; }
.track:hover, .track.active { background: var(--card2); }
.track-num { color: var(--muted); text-align: center; }
.track-title { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-meta { color: var(--muted); font-size: 12px; margin-top: 3px; }
.remove { color: var(--muted); font-size: 16px; }
.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-icon { font-size: 45px; color: #a78bfa; }
.empty h3 { color: var(--text); margin-bottom: 6px; }
footer { text-align: center; color: #696d7b; padding: 25px; font-size: 12px; }
@media (max-width: 760px) {
  .topbar { padding: 18px; } .status { display: none; }
  .app { padding: 35px 18px 60px; }
  .hero { display: block; } .upload-btn { display: inline-block; margin-top: 15px; }
  .player-card { grid-template-columns: 1fr; padding: 20px; }
  .cover { min-height: 250px; }
  h1 { letter-spacing: -2px; }
}