:root{color-scheme:light dark;--bg: #0b0b0c;--fg: #e9e9ee;--muted: #b8b8c7;--accent: #7cc4ff;--surface: #17171a;--surface-2: #1f1f24;--border: #2a2a32}html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--fg)}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--surface)}.app{display:grid;grid-template-columns:2fr 1fr;gap:16px;padding:16px}.selectors,.player,.playlist,.synth{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px}.selectors{grid-column:1 / -1;display:flex;gap:16px;align-items:end;flex-wrap:wrap}.selector label{display:block;margin-bottom:6px}.btn{display:inline-block;padding:8px 12px;background:var(--surface-2);color:var(--fg);border:1px solid var(--border);border-radius:8px;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn-ghost{background:transparent}.player .transport{display:flex;align-items:center;gap:8px}.player .transport button{padding:6px 10px;border-radius:8px;background:var(--surface-2);color:var(--fg);border:1px solid var(--border);cursor:pointer;min-width:3em;height:2.4em;display:inline-flex;align-items:center;justify-content:center;line-height:1;font-size:1.2em}.player .transport button:hover{border-color:var(--accent)}.inline{display:inline-flex;align-items:center;gap:6px;margin-left:12px}.volume{display:inline-flex;align-items:center;gap:8px;margin-left:auto}.timeline{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;margin-top:10px}input[type=range]{width:100%}.now-playing{margin-top:8px;color:var(--muted)}.playlist h2{margin:6px 0 10px}.playlist ul{list-style:none;margin:0;padding:0;max-height:50vh;overflow:auto}.playlist li{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px;border-radius:8px}.playlist li.active{background:var(--surface-2);outline:1px solid var(--accent)}.playlist .title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width: 900px){.app{grid-template-columns:1fr}}