: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}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden}.app{min-height:100vh;display:flex;align-items:center;justify-content:center}.menu-screen{text-align:center;padding:1.5rem;max-width:560px;width:100%}.menu-header{margin-bottom:2rem}.shuttle-icon{font-size:3rem;margin-bottom:.25rem;animation:bounce 2s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.menu-header h1{font-size:2.2rem;font-weight:800;letter-spacing:-.03em;margin:0;background:linear-gradient(135deg,#4ade80,#60a5fa,#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{color:#ffffff73;font-size:.9rem;margin-top:.25rem}.level-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem;margin-bottom:1.5rem}.level-card{position:relative;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:1rem .75rem;cursor:pointer;transition:all .2s;text-align:center;color:#fff;font-family:inherit}.level-card:hover:not(.locked){background:#ffffff14;border-color:var(--level-color);transform:translateY(-2px);box-shadow:0 4px 20px #0000004d}.level-card.locked{opacity:.35;cursor:not-allowed}.level-card.completed{border-color:var(--level-color);background:#4ade800d}.level-number{font-size:1.6rem;font-weight:800;color:var(--level-color);line-height:1}.level-name{font-size:.85rem;font-weight:600;margin:.3rem 0 .15rem}.level-desc{font-size:.7rem;color:#fff6;line-height:1.3}.level-meta{font-size:.65rem;color:#ffffff4d;margin-top:.4rem}.lock-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:1.4rem;background:#0000004d;border-radius:12px}.check{position:absolute;top:6px;right:8px;color:var(--level-color);font-size:1rem;font-weight:700}.controls-hint{color:#ffffff4d;font-size:.75rem}.controls-hint p{margin:.2rem 0}.game-wrapper{position:relative;display:flex;align-items:center;justify-content:center}.game-canvas{max-width:100vw;max-height:100vh;width:auto;height:100vh;border-radius:0;cursor:none;touch-action:none}.quit-btn{position:absolute;top:12px;right:12px;background:#00000080;border:1px solid rgba(255,255,255,.15);color:#ffffffb3;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:.8rem;z-index:10;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:all .15s}.quit-btn:hover{background:#ffffff1a;color:#fff}.overlay-screen{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#000000d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);animation:fadeIn .3s ease;z-index:100}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.overlay-card{text-align:center;padding:2.5rem 3rem;background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:20px;max-width:380px;width:90%;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.result-icon{font-size:3rem;margin-bottom:.5rem}.overlay-card h2{font-size:1.6rem;font-weight:700;margin:0 0 .5rem}.overlay-card p{color:#ffffff8c;margin:0 0 1.5rem;font-size:.9rem}.overlay-buttons{display:flex;flex-direction:column;gap:.6rem}.btn{padding:.7rem 1.5rem;border:none;border-radius:10px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .15s;font-family:inherit}.btn-primary{background:linear-gradient(135deg,#4ade80,#22c55e);color:#000}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px #4ade804d}.btn-secondary{background:#ffffff14;color:#fffc;border:1px solid rgba(255,255,255,.1)}.btn-secondary:hover{background:#ffffff1f}.victory .overlay-card{border-color:#fbbf24;box-shadow:0 0 40px #fbbf2426}.victory .btn-primary{background:linear-gradient(135deg,#fbbf24,#f59e0b)}