.game-container{width:100%;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:#1a1a2e;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overflow:hidden}.cloud-status{position:absolute;top:10px;left:10px;display:flex;align-items:center;color:#ffffffb3;font-size:12px;background:#0000004d;padding:4px 10px;border-radius:12px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:50}.game-viewport{width:100%;max-width:800px;aspect-ratio:2 / 1;background:linear-gradient(180deg,#4facfe,#00f2fe);position:relative;overflow:hidden;border-radius:16px;box-shadow:0 20px 50px #00000080,inset 0 0 0 4px #ffffff1a}.screen-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:40;color:#fff}.game-title{font-size:4rem;font-weight:900;margin-bottom:1rem;background:linear-gradient(to bottom,#fff,#a5f3fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 4px 8px rgba(0,0,0,.4));letter-spacing:2px}.high-score-display{display:flex;align-items:center;font-size:1.2rem;background:#ffffff1a;padding:8px 16px;border-radius:20px;margin-bottom:2rem;border:1px solid rgba(255,255,255,.2)}.btn-primary{display:flex;align-items:center;background:linear-gradient(135deg,#f6d365,#fda085);color:#8c3a00;font-size:1.5rem;font-weight:700;padding:12px 32px;border:none;border-radius:30px;cursor:pointer;box-shadow:0 8px 20px #fda08566;transition:all .2s}.controls-hint{margin-top:2rem;color:#fff9;font-size:.9rem}.loading-text{color:#f6d365;animation:pulse 1.5s infinite}.playing-screen{position:absolute;top:0;right:0;bottom:0;left:0}.scrolling-bg{position:absolute;top:0;left:0;width:200%;height:100%;background-size:50% 100%;animation:scroll linear infinite;pointer-events:none}.sky{background-image:radial-gradient(circle at 50% 50%,rgba(255,255,255,.2) 2px,transparent 3px);background-size:100px 100px;animation-duration:20s}.mountains{bottom:100px;top:auto;height:150px;background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 150"><path d="M0,150 L100,50 L200,150 L350,20 L500,150 L650,70 L800,150 Z" fill="rgba(255,255,255,0.1)"/></svg>') repeat-x;background-size:800px 150px;animation-duration:10s}.ground{position:absolute;left:0;width:100%;height:100px;background:linear-gradient(180deg,#4ade80,#166534);border-top:4px solid #22c55e;box-shadow:inset 0 10px 20px #0003}@keyframes scroll{0%{transform:translate(0)}to{transform:translate(-50%)}}.hud{position:absolute;top:0;left:0;width:100%;padding:16px 24px;display:flex;justify-content:space-between;z-index:20;pointer-events:none}.hud-left{display:flex;gap:8px}.hud-right{display:flex;gap:16px}.stat-badge{display:flex;align-items:center;background:#0006;color:#fff;padding:4px 12px;border-radius:16px;font-weight:700;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.1)}.game-world{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.player{position:absolute;transition:height .1s;will-change:transform,top}.player.invincible{animation:blink .2s infinite}@keyframes blink{0%,to{opacity:1;filter:drop-shadow(0 0 10px red)}50%{opacity:.3}}.obstacle,.collectable{position:absolute;will-change:left}.touch-controls{position:absolute;bottom:10px;left:0;width:100%;display:flex;justify-content:space-between;padding:0 20px;z-index:30}.touch-btn{width:60px;height:60px;border-radius:50%;background:#fff3;border:2px solid rgba(255,255,255,.4);color:#fff;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);-webkit-tap-highlight-color:transparent}.touch-btn:active{background:#fff6;transform:scale(.95)}@media (min-width: 768px){.touch-controls{display:none}}.gameover-title{font-size:3.5rem;color:#ef4444;text-shadow:0 4px 0 #7f1d1d,0 8px 16px rgba(0,0,0,.5);margin-bottom:2rem;font-weight:900}.score-board{background:#ffffff1a;padding:24px;border-radius:16px;width:300px;border:1px solid rgba(255,255,255,.2);box-shadow:0 10px 30px #0000004d}.score-item{display:flex;justify-content:space-between;margin-bottom:12px;font-size:1.1rem;color:#e2e8f0}.score-total{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:16px;border-top:2px dashed rgba(255,255,255,.2);font-size:1.2rem;font-weight:700}.value-large{font-size:2rem;color:#4ade80}.new-record-badge{margin-top:16px;background:linear-gradient(90deg,#f59e0b,#ef4444);padding:8px 16px;border-radius:20px;font-weight:700;animation:bounce 1s infinite;box-shadow:0 4px 12px #ef444466}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}