:root{--neon-blue: #00d2ff;--neon-purple: #9d50bb;--neon-red: #ff4757;--glass: rgba(255, 255, 255, .1)}body{margin:0;background:#000;font-family:Inter,system-ui,sans-serif;color:#fff;overflow:hidden}.nebula-app{width:100vw;height:100vh;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at center,#101030,#000);position:relative}.main-canvas{border:1px solid rgba(0,210,255,.3);border-radius:16px;box-shadow:0 0 60px #00d2ff26;cursor:crosshair;max-width:95vw;max-height:90vh}.game-ui-top{position:absolute;top:30px;width:800px;display:flex;justify-content:space-between;align-items:center;z-index:10;pointer-events:none}.glass-panel{background:#0009;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:10px 20px;border-radius:30px;border:1px solid var(--glass);display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:1px}.cloud-indicator{font-size:11px;color:#fff6;text-transform:uppercase;letter-spacing:2px}.lives-bar{position:absolute;bottom:40px;display:flex;gap:20px;z-index:10}.heart-beat{filter:drop-shadow(0 0 10px var(--neon-red));animation:beat 1.2s infinite}@keyframes beat{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}.screen-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;justify-content:center;align-items:center;z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.hero-content{text-align:center}.hero-content h1{font-size:4.5rem;margin:20px 0;background:linear-gradient(180deg,#fff 0%,var(--neon-blue) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 20px rgba(0,210,255,.5))}.hero-icon{color:var(--neon-blue);filter:drop-shadow(0 0 15px var(--neon-blue));animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.start-btn{background:linear-gradient(45deg,var(--neon-blue),var(--neon-purple));border:none;padding:18px 50px;color:#fff;font-size:1.4rem;font-weight:800;border-radius:40px;cursor:pointer;transition:.3s;box-shadow:0 10px 30px #00d2ff4d;margin-top:40px}.start-btn:hover:not(:disabled){transform:scale(1.05) translateY(-5px);box-shadow:0 15px 40px #00d2ff80}.start-btn:disabled{opacity:.5;cursor:wait}.gameover-card{background:#141428e6;padding:50px;border-radius:32px;border:1px solid var(--neon-red);text-align:center;box-shadow:0 0 100px #ff475733}.result-stats p{font-size:1.2rem;margin:15px 0}.result-stats strong{font-size:3.5rem;display:block;color:var(--neon-blue)}.new-record-tag{background:gold;color:#000;padding:4px 12px;border-radius:4px;font-weight:900;font-size:.8rem}.retry-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);padding:14px 30px;color:#fff;border-radius:30px;cursor:pointer;display:flex;align-items:center;gap:10px;margin:30px auto 0;transition:.2s}.retry-btn:hover{background:#fff3}.level-indicator{position:absolute;top:100px;left:50%;transform:translate(-50%);background:var(--neon-blue);color:#000;padding:4px 16px;border-radius:20px;font-weight:900;font-size:.9rem;box-shadow:0 0 20px var(--neon-blue)}.icon-gold{color:gold}.icon-blue{color:var(--neon-blue)}