.app-container{width:100%;height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;transition:background 1s ease;font-family:Inter,-apple-system,sans-serif}.game-header{width:800px;height:60px;background:#ffffff26;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:20px 20px 0 0;display:flex;align-items:center;padding:0 25px;gap:20px;border:1px solid rgba(255,255,255,.2);color:#fff;z-index:100}.header-item{display:flex;align-items:center;gap:8px;font-weight:700;background:#0003;padding:6px 15px;border-radius:30px}.cloud-tag{font-size:.8rem;color:#81d4fa;border:1px solid rgba(129,212,250,.3)}.level-name{flex:1;text-align:center;font-size:1.2rem;letter-spacing:2px;text-transform:uppercase}.game-world{width:800px;height:500px;background:#0000001a;position:relative;overflow:hidden;border:4px solid rgba(255,255,255,.1);border-radius:0 0 20px 20px;box-shadow:0 20px 50px #0000004d}.ball-player{position:absolute;z-index:100;filter:drop-shadow(0 4px 8px rgba(0,0,0,.3))}.ball-player img{width:100%;height:100%;object-fit:contain}.fallback-ball{font-size:36px;color:#ffeb3b;line-height:1}.platform-obj{position:absolute;background:#fff3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:8px;border:1px solid rgba(255,255,255,.3)}.platform-obj.ground{background:#388e3c;border-color:#2e7d32;box-shadow:inset 0 10px 20px #0003}.platform-obj.goal{background:linear-gradient(45deg,gold,#ff8c00);animation:pulse-goal 2s infinite}.trap-obj{position:absolute;display:flex;align-items:center;justify-content:center}.trap-obj img{width:100%;height:100%;object-fit:contain}.trap-obj.spike{color:#ff5252}.trap-obj.fire{color:#ff9800}.fire-icon{animation:flicker .5s infinite alternate}.pit-fallback{background:#1a1a1a;width:100%;height:100%;border-radius:50% 50% 0 0}.checkpoint-obj{position:absolute;width:40px;height:40px;transition:all .3s;filter:grayscale(1) opacity(.5)}.checkpoint-obj.active{filter:grayscale(0) opacity(1) drop-shadow(0 0 10px #fff);transform:scale(1.2)}.checkpoint-obj img{width:100%;height:100%}.modal-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:1000}.menu-card,.guide-card{background:#fff;padding:40px;border-radius:30px;text-align:center;max-width:400px;box-shadow:0 25px 60px #00000080}.play-btn{margin-top:25px;padding:15px 40px;font-size:1.2rem;background:#2196f3;color:#fff;border:none;border-radius:50px;cursor:pointer;display:flex;align-items:center;gap:10px;width:100%;justify-content:center}.guide-card ul{text-align:left;margin:20px 0;color:#666}.guide-card li{margin-bottom:10px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 2s linear infinite}@keyframes flicker{0%{opacity:.7;transform:scale(.9)}to{opacity:1;transform:scale(1.1)}}@keyframes pulse-goal{0%{box-shadow:0 0 #ffd70066}70%{box-shadow:0 0 0 20px #ffd70000}to{box-shadow:0 0 #ffd70000}}