:root{--bg: #0f1320;--panel: #1b2236;--line: #2c3650;--ink: #eef2fb;--dim: #9aa7c4;--accent: #5a7ad0;--ok: #62d98a;--bad: #e0654a;--warn: #e7b34a}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#182037,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:600px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:26px;letter-spacing:3px;font-weight:800;color:var(--accent)}.sub{margin:2px 0 0;color:var(--dim);font-size:13px}.bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;margin:9px 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:#0c1226}.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.big{padding:10px 26px;font-size:15px;background:var(--accent);color:#0c1226;border-color:var(--accent)}.stats{display:flex;flex-wrap:wrap;gap:6px 14px;justify-content:center;margin:6px 0;font-size:13px;color:var(--dim)}.stat b{color:var(--ink);font-weight:700}.stat.neg b,.stat.neg{color:var(--bad)}.status{text-align:center;min-height:20px;margin:6px 0;color:var(--dim);font-size:13px;font-weight:600}.status .warn,.warn{color:var(--warn)}.stage{position:relative;display:flex;justify-content:center}canvas{display:block;border-radius:10px;background:#0b0e18;box-shadow:0 12px 34px #0000008c;touch-action:none;cursor:pointer}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#080a14bd;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(--dim);font-size:14px}.card .big-score{color:var(--ink);font-size:20px;font-weight:800}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px}.tools{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:12px 0 6px}.tool{background:var(--panel);border:1px solid var(--line);color:var(--dim);padding:8px 14px;border-radius:10px;font:700 13px system-ui;cursor:pointer}.tool.active{border-color:var(--accent);color:var(--ink);box-shadow:0 0 0 2px #5a7ad059 inset}.controls{display:flex;flex-direction:column;gap:8px;max-width:420px;margin:8px auto}.ctl{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--dim);font-weight:600}.ctl span{color:var(--ink);min-width:44px;text-align:right}.ctl input[type=range]{flex:1;accent-color:var(--accent)}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:10px}