:root{--bg: #0a0612;--panel: #17122a;--line: #2c2348;--ink: #f3ecff;--muted: #a79bcf;--accent: #c14bff;--l0: #ff5d8f;--l1: #ffb24b;--l2: #4be0c0;--l3: #5b8cff;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:radial-gradient(820px 520px at 50% -10%,#1d1140,var(--bg));color:var(--ink);font-family:Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased;user-select:none;touch-action:manipulation}.wrap{max-width:440px;margin:0 auto;padding:14px 12px 26px;display:flex;flex-direction:column;min-height:100vh}header h1{margin:0;font-size:1.9rem;letter-spacing:5px;font-weight:800;background:linear-gradient(90deg,var(--l0),var(--l1),var(--l2),var(--l3));-webkit-background-clip:text;background-clip:text;color:transparent}.tag{margin:3px 0 0;color:var(--muted);font-size:.78rem;line-height:1.35}.bar{display:flex;align-items:center;gap:7px;margin:10px 0;flex-wrap:wrap}.spacer{flex:1}.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden}.seg button{background:transparent;color:var(--muted);border:0;padding:7px 11px;font-size:.78rem;cursor:pointer}.seg button.active{background:linear-gradient(180deg,var(--accent),#8b2fd6);color:#fff;font-weight:700}.best{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:4px 10px;font-size:.78rem}.best b{color:var(--ink)}.stage{position:relative;display:flex;justify-content:center;flex:1 1 auto;min-height:0}canvas{display:block;height:auto;width:auto;max-width:100%;max-height:64vh;background:#0c0820;border:1px solid var(--line);border-radius:12px;touch-action:none}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#0a0612d6;border-radius:12px;backdrop-filter:blur(2px);text-align:center;padding:16px}.overlay.hidden{display:none}.overlay .card{width:100%;max-width:320px}.overlay h2{margin:0 0 8px;font-size:1.5rem}.overlay p{margin:0 0 12px;color:var(--muted);font-size:.86rem;line-height:1.5}.overlay b{color:var(--ink)}.rank{font-size:3rem;font-weight:800;margin:4px 0}.brk{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:10px 0;font-size:.74rem}.brk div{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:5px 2px}button.primary{background:linear-gradient(180deg,var(--accent),#8b2fd6);color:#fff;border:0;border-radius:10px;padding:10px 18px;font-weight:700;font-size:.95rem;cursor:pointer}button.ghost{background:var(--panel);border:1px solid var(--line);color:var(--ink);border-radius:10px;padding:9px 16px;font-size:.88rem;cursor:pointer;margin-left:6px}.pad{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:10px}.pad button{border:1px solid var(--line);color:#0c0820;font-weight:800;font-size:1rem;border-radius:10px;padding:14px 0;cursor:pointer}.pad button[data-lane="0"]{background:var(--l0)}.pad button[data-lane="1"]{background:var(--l1)}.pad button[data-lane="2"]{background:var(--l2)}.pad button[data-lane="3"]{background:var(--l3)}.pad button:active{filter:brightness(1.25)}.hint{margin:10px 0 0;color:var(--muted);font-size:.74rem;line-height:1.4}.hint b{color:var(--accent)}