:root{--bg: #141414;--panel: #1e1e1e;--wall: #7a7a7a;--fog: #0a0a0a;--you: #4fc3f7;--opponent: #f06292;--goal: #ffca28;--text: #f5f5f5;--text-dim: #b0b0b0;--divider: #333;--error: #ff6e6e;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);overscroll-behavior:none}body{touch-action:none}#root{min-height:100dvh;display:flex;flex-direction:column;align-items:stretch;justify-content:center;padding:16px;gap:16px}.screen{display:flex;flex-direction:column;align-items:center;gap:16px;max-width:480px;width:100%;margin:0 auto}.title{font-size:42px;font-weight:800;letter-spacing:.02em;color:var(--you);margin:24px 0 0}.subtitle{color:var(--text-dim);font-size:14px}label{color:var(--text-dim);font-size:13px;align-self:flex-start}input[type=text]{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--divider);background:var(--panel);color:var(--text);font-size:16px}button{padding:12px 18px;border-radius:10px;border:1px solid transparent;background:var(--you);color:#0a1a22;font-size:16px;font-weight:600;cursor:pointer;width:100%}button.secondary{background:transparent;color:var(--you);border-color:var(--you)}button.ghost{background:transparent;color:var(--text-dim);border:none;font-weight:500}button:disabled{opacity:.5;cursor:default}.spinner{width:32px;height:32px;border-radius:50%;border:3px solid var(--divider);border-top-color:var(--you);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.race{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%;max-width:800px}.race-layout{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%}@media(orientation:landscape)and (min-width:640px){.race-layout{flex-direction:row;align-items:center;justify-content:center}}canvas.board{background:var(--fog);border-radius:8px;image-rendering:pixelated;touch-action:none;max-width:min(100%,80vh);max-height:80vh;aspect-ratio:1 / 1}.hud{display:flex;justify-content:space-between;width:100%;font-size:14px;color:var(--text-dim)}.hud .you{color:var(--you)}.hud .opponent{color:var(--opponent)}.pad{display:grid;grid-template-columns:60px 60px 60px;grid-template-rows:60px 60px 60px;gap:6px}.pad button{width:60px;height:60px;padding:0;border-radius:12px;background:var(--panel);color:var(--you);font-size:22px;border:1px solid var(--divider)}.pad button.spacer{visibility:hidden}.verdict{position:absolute;inset:0;display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;background:#141414db;border-radius:8px;padding:24px}.verdict h2{margin:0;font-size:32px}.verdict.win h2{color:var(--goal)}.verdict.loss h2{color:var(--opponent)}.board-holder{position:relative;width:100%}.notice{padding:10px 14px;border-radius:8px;background:#ff6e6e24;color:var(--error);font-size:14px;align-self:stretch;text-align:center}.leaderboard{display:flex;flex-direction:column;width:100%;gap:6px}.leaderboard-row{display:grid;grid-template-columns:32px 1fr auto;gap:10px;padding:10px 12px;background:var(--panel);border-radius:8px;align-items:center}.leaderboard-row .rank{color:var(--text-dim);text-align:center}.leaderboard-row .name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.leaderboard-row .wins{color:var(--goal);font-weight:700}.leaderboard-row .counts{color:var(--text-dim);font-size:12px;grid-column:2 / 4}.top-bar{display:flex;align-items:center;gap:8px;align-self:stretch}.top-bar h2{flex:1;margin:0;font-size:22px}