body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; margin: 0; background: #f5f5f7; }
.container { max-width: 1100px; margin: 0 auto; padding: 24px; }
h1 { margin: 0; }
.subtitle { margin: 6px 0 18px; color: #555; }
.card { background: white; border-radius: 12px; padding: 16px; box-shadow: 0 2px 10px rgba(0,0,0,0.06); }
.hidden { display: none; }
.row { display: flex; flex-direction: column; gap: 6px; margin: 10px 0; }
input { padding: 10px; border-radius: 10px; border: 1px solid #ddd; }
button { padding: 10px 12px; border: 0; border-radius: 10px; cursor: pointer; background: #111; color: white; }
button.secondary { background: #eee; color: #111; }
.error { color: #b00020; margin-top: 10px; }
.hint { color: #666; font-size: 14px; }
.small { font-size: 13px; }
.muted { color: #666; }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 16px; }
.list { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.item { padding: 10px; border: 1px solid #eee; border-radius: 10px; cursor: pointer; }
.item:hover { background: #fafafa; }
.itemTitle { font-weight: 600; }
.itemSub { font-size: 13px; color: #666; margin-top: 4px; }
.player { width: 100%; margin: 12px 0; border-radius: 12px; background: black; }
.actions { display: flex; gap: 10px; margin: 8px 0; }
.footer { margin-top: 16px; font-size: 13px; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
}