:root{--bg: #0e0b16;--panel: #1b1626;--line: #2f2740;--ink: #f1ecf7;--dim: #a99bc0;--accent: #8a6fd0;--you: #4ec9b0;--good: #2e6f4e;--warn: #6f5a1f;--bad: #5a1f33}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#1c1430,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:520px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:26px;letter-spacing:5px;font-weight:800;color:var(--accent)}.sub{margin:4px 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:#160e26}.btn{background:var(--panel);border:1px solid var(--line);color:var(--ink);padding:7px 14px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#160e26;border-color:var(--accent)}.scoreboard{display:flex;gap:10px;justify-content:center;margin:8px 0}.readout{background:#0a0710;border:1px solid var(--line);border-radius:8px;padding:5px 16px;font:800 18px ui-monospace,monospace;color:var(--accent);min-width:92px;text-align:center}.readout span{color:var(--dim);font-size:11px;display:block;font-weight:600;letter-spacing:.5px}.stage{display:flex;justify-content:center}#curve{width:min(94vw,460px);height:180px;background:#0a0710;border:1px solid var(--line);border-radius:10px}.slots{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:12px 0 4px}.slot{background:var(--panel);border:1px solid var(--line);border-radius:8px;min-width:54px;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;color:var(--ink)}.slot.sel{border-color:var(--you);box-shadow:0 0 0 2px #4ec9b059}.slot.filled{background:#251c36}.slot .rn{font:800 17px ui-monospace,monospace}.slot .rn.dim{color:var(--dim)}.slot .root{font-size:11px;color:var(--dim);margin-top:2px}.status{text-align:center;font-size:13px;color:var(--dim);min-height:18px;margin:6px 0}.status.good{color:#6fe0a8}.status.warn{color:#e0c66f}.status.bad{color:#e08a9b}.palette{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:8px 0}.chip{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 10px;cursor:pointer;color:var(--ink);display:flex;flex-direction:column;align-items:center;min-width:46px}.chip:hover{border-color:var(--accent)}.chip .rn{font:800 15px ui-monospace,monospace}.chip .tn{font-size:10px;color:var(--dim);margin-top:1px}.chip.erase{justify-content:center;font-size:18px}.legend{text-align:center;font-size:12px;color:var(--dim);margin:6px 0 0}.legend .k{display:inline-block;width:14px;height:4px;border-radius:2px;vertical-align:middle;margin-right:4px}.legend .k.tgt{background:var(--accent)}.legend .k.you{background:var(--you)}.overlay{position:fixed;inset:0;background:#08050ec7;display:flex;align-items:center;justify-content:center;z-index:5}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 26px;text-align:center;max-width:360px}.card h2{margin:0 0 8px;color:var(--accent)}.card p{color:var(--dim);font-size:14px;line-height:1.5}.card b{color:var(--ink)}#playbtn.hidden{display:none}