:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden;background:#1a1a2e}.game-container{position:relative;width:100%;height:100vh;overflow:hidden}.game-canvas{display:block;width:100%;height:100%}.hud{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-start;padding:16px 24px;pointer-events:none}.hud-score{font-size:2rem;font-weight:800;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.5);font-variant-numeric:tabular-nums}.hud-coins{font-size:1.3rem;font-weight:700;color:gold;text-shadow:0 2px 8px rgba(0,0,0,.5);display:flex;align-items:center;gap:6px}.coin-icon{color:gold;text-shadow:0 0 6px #ffd700}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0000008c;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:10}.fade-in{animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.menu{background:linear-gradient(145deg,#1e1e3a,#16213e);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:32px 36px;max-width:420px;width:90%;text-align:center;box-shadow:0 20px 60px #00000080;animation:slideUp .4s cubic-bezier(.16,1,.3,1)}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.title-feet{font-size:2.5rem;margin-bottom:8px}.title{font-size:2.2rem;font-weight:900;letter-spacing:-.02em;background:linear-gradient(135deg,#ff6b6b,#ffd93d,#6bcb77,#4d96ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px}.subtitle{color:#ffffff80;font-size:1rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:24px}.btn{display:block;width:100%;padding:14px 24px;border:none;border-radius:12px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .15s;margin-bottom:10px;font-family:inherit}.btn:active{transform:scale(.97)}.btn-play{background:linear-gradient(135deg,#4caf50,#2e7d32);color:#fff;box-shadow:0 4px 20px #4caf5066}.btn-play:hover{background:linear-gradient(135deg,#66bb6a,#388e3c);box-shadow:0 6px 25px #4caf5080}.btn-shop{background:linear-gradient(135deg,#ff9800,#e65100);color:#fff;box-shadow:0 4px 20px #ff98004d}.btn-shop:hover{background:linear-gradient(135deg,#ffa726,#f57c00)}.btn-back{background:#ffffff14;color:#ffffffb3;border:1px solid rgba(255,255,255,.1);margin-top:6px}.btn-back:hover{background:#ffffff1f;color:#fff}.btn-sm{padding:6px 12px;font-size:.8rem;border-radius:8px;margin-bottom:0}.btn-select{background:linear-gradient(135deg,#2196f3,#1565c0);color:#fff}.btn-buy{background:linear-gradient(135deg,gold,#ff8f00);color:#1a1a2e}.btn-buy.disabled{opacity:.4;cursor:not-allowed}.stats-row{display:flex;gap:16px;margin:20px 0 16px}.stat{flex:1;background:#ffffff0d;border-radius:12px;padding:12px 8px;border:1px solid rgba(255,255,255,.06)}.stat-label{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:#fff6;margin-bottom:4px}.stat-value{display:block;font-size:1.4rem;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}.selected-shoe{margin-top:12px;padding:10px;background:#ffffff0a;border-radius:10px;border:1px solid rgba(255,255,255,.06)}.selected-label{color:#fff6;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}.selected-name{display:block;color:#fff;font-weight:700;font-size:1rem;margin-top:2px}.hint{margin-top:16px;font-size:.78rem;color:#ffffff4d}.go-title{font-size:2.5rem;margin-bottom:16px}.go-stats{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px;justify-content:center}.go-stat{background:#ffffff0f;border-radius:12px;padding:12px 18px;min-width:100px;border:1px solid rgba(255,255,255,.08)}.go-stat-label{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:#fff6}.go-stat-value{display:block;font-size:1.5rem;font-weight:800;color:#fff;margin-top:2px}.new-record{width:100%;text-align:center;font-size:1rem;font-weight:800;color:gold;text-shadow:0 0 12px rgba(255,215,0,.5);animation:pulse .8s ease-in-out infinite alternate;margin-top:4px}@keyframes pulse{0%{transform:scale(1)}to{transform:scale(1.08)}}.shop-title{margin-bottom:8px}.shop-coins{font-size:1.2rem;font-weight:700;color:gold;margin-bottom:20px}.shoe-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:20px;max-height:300px;overflow-y:auto}.shoe-card{background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:14px 10px;display:flex;flex-direction:column;align-items:center;gap:6px;transition:all .15s}.shoe-card.equipped{border-color:#4caf50;background:#4caf501a;box-shadow:0 0 15px #4caf5026}.shoe-card.owned{border-color:#ffffff26}.shoe-preview{margin-bottom:4px}.shoe-name{font-size:.78rem;font-weight:600;color:#ffffffd9}.shoe-badge{font-size:.65rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:3px 8px;border-radius:6px}.equipped-badge{background:#4caf5033;color:#66bb6a}