:root {
  --bg: #12081c;
  --card: #1e1030;
  --text: #f3eef8;
  --muted: #a894bc;
  --accent: #b16cfa;
  --accent2: #6c5ce7;
  --ok: #2ecc71;
  --line: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  font-family: "Segoe UI", "Noto Sans TC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
body {
  min-height: 100dvh;
  background:
    radial-gradient(1200px 600px at 10% -10%, #3b1d6a 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #1a3a5c 0%, transparent 50%),
    var(--bg);
}

.app {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 20px 16px 48px;
}

.hero { margin-bottom: 18px; }
.eyebrow {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 6px;
}
h1 { font-size: clamp(1.5rem, 4vw, 2rem); margin: 0 0 8px; font-weight: 700; }
.sub { color: var(--muted); margin: 0 0 12px; line-height: 1.5; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(177, 108, 250, 0.15);
  border: 1px solid rgba(177, 108, 250, 0.35);
}
.badge.muted { background: rgba(255,255,255,0.05); border-color: var(--line); color: var(--muted); }
.badge.ok { background: rgba(46, 204, 113, 0.15); border-color: rgba(46, 204, 113, 0.4); color: #8ef0b5; }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent 40%), var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 18px;
  margin-bottom: 14px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}
.card h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
  color: #e9dff7;
}

.now-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 4px; }
.now-meta { color: var(--muted); font-size: 0.92rem; margin-bottom: 12px; }

.progress-wrap {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 99px;
  overflow: hidden;
  margin-bottom: 6px;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  transition: width 0.35s linear;
}
.time-row {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 12px;
}

.player-row, .form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
}
.form-row label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  flex: 1 1 140px;
}
.form-row label.grow { flex: 2 1 180px; }
select, input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  font-size: 15px;
}
.btn {
  border: 0;
  border-radius: 12px;
  padding: 11px 16px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  color: white;
}
.btn.primary {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  box-shadow: 0 6px 20px rgba(108, 92, 231, 0.35);
}
.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.hint { color: var(--muted); font-size: 12px; line-height: 1.5; margin: 12px 0 0; }
.hint a { color: #cbb6ff; }
.msg { min-height: 1.2em; font-size: 13px; margin: 8px 0 0; color: #cbb6ff; }
.msg.err { color: #ff8e8e; }
.msg.ok { color: #8ef0b5; }

.queue {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text);
}
.queue li {
  margin: 0 0 8px;
  line-height: 1.4;
}
.queue .who { color: var(--muted); font-size: 12px; }

.foot {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin-top: 8px;
}
.muted { color: var(--muted); font-weight: 400; }

@media (max-width: 480px) {
  .app { padding: 14px 12px 40px; }
  .btn { width: 100%; }
  .player-row .btn.ghost { width: 100%; }
}