:root{--neon-blue: #00f2ff;--neon-pink: #ff0055;--bg-dark: #0a0a0f}.app-container{width:100%;height:100vh;background:var(--bg-dark);display:flex;justify-content:center;align-items:center;font-family:Segoe UI,Roboto,sans-serif;overflow:hidden;color:#fff}.cloud-badge{position:absolute;top:20px;right:20px;background:#ffffff0d;padding:6px 12px;border-radius:20px;font-size:12px;display:flex;align-items:center;gap:6px;border:1px solid rgba(0,242,255,.2);color:var(--neon-blue);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.game-viewport{width:800px;height:400px;background:linear-gradient(180deg,#0d0d1a,#1a1a2e);position:relative;border:2px solid rgba(0,242,255,.3);border-radius:12px;overflow:hidden;box-shadow:0 0 40px #00000080}.grid-bg{position:absolute;width:200%;height:100%;background-image:linear-gradient(rgba(0,242,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,242,255,.05) 1px,transparent 1px);background-size:40px 40px;transform:perspective(500px) rotateX(60deg);bottom:-50px;animation:gridMove 2s linear infinite}@keyframes gridMove{0%{transform:perspective(500px) rotateX(60deg) translateY(0)}to{transform:perspective(500px) rotateX(60deg) translateY(40px)}}.score-board{position:absolute;top:20px;left:20px;z-index:10}.current-score{font-size:24px;font-weight:800;letter-spacing:2px;text-shadow:0 0 10px var(--neon-blue)}.high-score{font-size:14px;color:#aaa;display:flex;align-items:center;gap:4px;margin-top:4px}.player{position:absolute;left:50px;top:200px;z-index:5;filter:drop-shadow(0 0 8px var(--neon-blue))}.jump-trail{position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:4px;height:20px;background:linear-gradient(to bottom,var(--neon-blue),transparent);border-radius:2px}.obstacle{position:absolute;bottom:140px;width:40px;height:40px;display:flex;justify-content:center;align-items:center;filter:drop-shadow(0 0 10px var(--neon-pink))}.obstacle-glow{position:absolute;width:100%;height:100%;background:var(--neon-pink);filter:blur(15px);opacity:.3;border-radius:50%}.floor{position:absolute;bottom:0;width:100%;height:150px;background:linear-gradient(180deg,rgba(0,242,255,.1) 0%,transparent 100%);border-top:2px solid var(--neon-blue)}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0a0a0fd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:center;z-index:100}.modal{text-align:center;padding:40px;border:1px solid rgba(255,255,255,.1);border-radius:24px;background:#ffffff08}h1{font-size:48px;margin:0;background:linear-gradient(90deg,var(--neon-blue),#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:4px}.final-score{font-size:20px;color:var(--neon-pink);margin:10px 0 20px}.start-btn{background:var(--neon-blue);color:#000;border:none;padding:15px 40px;border-radius:30px;font-size:18px;font-weight:700;display:flex;align-items:center;gap:10px;cursor:pointer;transition:all .2s;margin:0 auto}.start-btn:hover{transform:scale(1.05);box-shadow:0 0 20px var(--neon-blue)}.hint{margin-top:20px;font-size:12px;color:#666;text-transform:uppercase;letter-spacing:2px}