:root {
  color-scheme: dark;
  --bg: #111827;
  --panel: #1f2937;
  --panel-light: #374151;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --accent: #60a5fa;
  --accent-strong: #3b82f6;
  --danger: #ef4444;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at top, #1f2937, #0b1020 70%);
  color: var(--text);
}

.app {
  width: min(960px, 92vw);
  margin: 2rem auto;
  background: color-mix(in oklab, var(--panel), black 12%);
  border: 1px solid color-mix(in oklab, var(--panel-light), black 15%);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.app__header h1,
h2 {
  margin-top: 0;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

button {
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font-weight: 600;
  cursor: pointer;
  color: white;
  background: var(--accent-strong);
}

button:hover {
  background: var(--accent);
}

#stopBtn, #orderResetBtn {
  background: var(--danger);
}

.status {
  margin: 0;
  color: var(--muted);
}

.now-playing {
  background: color-mix(in oklab, var(--panel), white 4%);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}

audio {
  width: 100%;
}

.playlist {
  margin: 0;
  padding-left: 1.5rem;
  display: grid;
  gap: 0.4rem;
}

.playlist li {
  list-style-position: outside;
}

.track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  border: 1px solid color-mix(in oklab, var(--panel-light), black 10%);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  background: color-mix(in oklab, var(--panel), black 10%);
  cursor: grab;
}

.track.dragging {
  opacity: 0.5;
}

.track.active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.track__title {
  text-align: left;
}

.track__path {
  font-size: 0.8rem;
  color: var(--muted);
}

.track__play {
  flex: 0 0 auto;
  background: #10b981;
}