:root{--bg: #0e1016;--panel: #191522;--line: #322a42;--ink: #f1edf7;--dim: #a99fbb;--accent: #8a6fd0;--ok: #54d09a;--bad: #e0607a;--slot: #221c30;--slot2: #2c2440;--sel: #34294e}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#1b1530,var(--bg));color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,sans-serif;display:flex;justify-content:center;-webkit-user-select:none;user-select:none}#app{width:100%;max-width:540px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:28px;letter-spacing:6px;font-weight:800;color:var(--accent)}.sub{margin:3px 0 0;color:var(--dim);font-size:13px}.bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;margin:10px 0}.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;overflow:hidden}.seg button{background:none;border:none;color:var(--dim);padding:6px 13px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#150c26}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:8px 14px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#150c26;border-color:var(--accent)}.targetbar{text-align:center;margin:6px 0;color:var(--dim);font-size:14px}.targetbar .voicename{color:var(--accent);font-size:18px;margin:0 6px;letter-spacing:1px}.controls{display:flex;gap:8px;justify-content:center;align-items:center;flex-wrap:wrap;margin:8px 0}.readout{background:#0a0810;border:1px solid var(--line);border-radius:8px;padding:5px 14px;font:800 16px ui-monospace,monospace;color:var(--accent);text-align:center}.readout span{color:var(--dim);font-size:10px;display:block;font-weight:600;letter-spacing:.5px}.stage{position:relative;margin-top:8px}.staff{position:relative;display:grid;gap:3px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px;grid-auto-flow:column;grid-auto-columns:1fr;height:220px}.staff.soloing{box-shadow:inset 0 0 0 2px var(--accent)}.slot{position:relative;background:var(--slot);border-radius:6px;cursor:pointer;overflow:hidden}.slot:hover{background:var(--slot2)}.slot.sel{background:var(--sel);box-shadow:inset 0 0 0 2px var(--accent)}.slot.playing{background:#3a2c58}.slot .line{position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}.note{position:absolute;left:50%;transform:translate(-50%,-50%);background:var(--accent);color:#150c26;font:800 11px ui-monospace,monospace;padding:3px 5px;border-radius:6px;white-space:nowrap}.note.ok{background:var(--ok);color:#04231a}.note.bad{background:var(--bad);color:#2a060f}.note.truth{background:transparent;color:var(--dim);border:1px dashed var(--line);opacity:.8}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#08060ed1;border-radius:10px;backdrop-filter:blur(3px)}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 26px;text-align:center;max-width:340px}.card h2{margin:0 0 6px;font-size:24px;color:var(--accent)}.card p{margin:6px 0;color:var(--ink);font-size:14px}.card p.dim{color:var(--dim);font-size:12px}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px}.pad{display:grid;gap:6px;max-width:460px;margin:12px auto 0}.pad button{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:11px 0;border-radius:8px;font:800 13px ui-monospace,monospace;cursor:pointer}.pad button:hover{border-color:var(--accent);background:var(--slot2)}.actions{display:flex;gap:8px;justify-content:center;margin-top:12px}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:12px;line-height:1.5}