:root{--neon-cyan: #00f3ff;--neon-pink: #ff0055;--neon-purple: #bc13fe;--dark-bg: #0b0c10}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;touch-action:none}body{margin:0;overflow:hidden;background:#000;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#fff}.app-container{display:flex;justify-content:center;align-items:center;width:100vw;height:100vh;background:radial-gradient(circle at center,#1a0b2e,#000)}.cloud-sync-badge{position:absolute;top:15px;right:20px;z-index:100;display:flex;align-items:center;gap:6px;font-size:12px;color:#fffc;background:#00f3ff1a;border:1px solid rgba(0,243,255,.3);padding:6px 12px;border-radius:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);box-shadow:0 0 10px #00f3ff33}.game-area{position:relative;width:100%;max-width:500px;height:100%;max-height:800px;background:var(--dark-bg);overflow:hidden;box-shadow:0 0 50px #bc13fe33;border-left:1px solid rgba(188,19,254,.3);border-right:1px solid rgba(188,19,254,.3)}.starfield{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(2px 2px at 20px 30px,#eee,#0000),radial-gradient(2px 2px at 40px 70px,#fff,#0000),radial-gradient(2px 2px at 50px 160px,#ddd,#0000),radial-gradient(2px 2px at 90px 40px,#fff,#0000),radial-gradient(2px 2px at 130px 80px,#fff,#0000),radial-gradient(2px 2px at 160px 120px,#ddd,#0000);background-repeat:repeat;background-size:200px 200px;animation:starsScroll 4s linear infinite;opacity:.5}@keyframes starsScroll{0%{transform:translateY(0)}to{transform:translateY(200px)}}.player-wrapper,.enemy-wrapper{position:absolute;transform:translate(-50%,-50%);width:60px;height:60px;display:flex;justify-content:center;align-items:center;will-change:left,top}.entity-img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 5px 10px rgba(0,0,0,.8))}.fallback-emoji{font-size:40px;line-height:1}.player-wrapper{filter:drop-shadow(0 0 15px rgba(0,243,255,.6));z-index:10}.invincible{animation:flash .15s infinite alternate}@keyframes flash{0%{opacity:1}to{opacity:.2}}.engine-glow{position:absolute;bottom:-10px;width:10px;height:20px;background:var(--neon-cyan);border-radius:50%;filter:blur(4px);animation:engineFlicker .1s infinite alternate}@keyframes engineFlicker{0%{transform:scaleY(1);opacity:.8}to{transform:scaleY(1.5);opacity:1}}.type-basic{filter:drop-shadow(0 0 10px rgba(255,0,85,.5))}.type-fast{width:40px;height:40px;filter:drop-shadow(0 0 10px rgba(0,255,100,.5))}.type-tank{width:80px;height:80px;filter:drop-shadow(0 0 15px rgba(188,19,254,.5))}.hp-bar-container{position:absolute;top:-10px;width:80%;height:4px;background:#fff3;border-radius:2px;overflow:hidden}.hp-bar-fill{height:100%;background:var(--neon-pink);transition:width .2s}.bullet{position:absolute;transform:translate(-50%,-50%);width:4px;height:20px;border-radius:2px;will-change:top}.player-bullet{background:var(--neon-cyan);box-shadow:0 0 10px var(--neon-cyan),0 0 20px var(--neon-cyan)}.enemy-bullet{background:var(--neon-pink);box-shadow:0 0 10px var(--neon-pink)}.explosion{position:absolute;transform:translate(-50%,-50%);width:80px;height:80px;pointer-events:none;animation:boom .3s ease-out forwards}.explosion img{width:100%;height:100%;object-fit:contain}@keyframes boom{0%{transform:translate(-50%,-50%) scale(.5);opacity:1}to{transform:translate(-50%,-50%) scale(1.5);opacity:0}}.hud-layer{position:absolute;top:0;left:0;right:0;padding:20px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;z-index:20}.score-display{font-size:32px;font-weight:900;font-family:Impact,sans-serif;text-shadow:0 0 10px var(--neon-cyan)}.lives-display{display:flex;gap:8px;background:#00000080;padding:8px 12px;border-radius:20px;border:1px solid rgba(255,0,85,.3)}.life-active{color:var(--neon-pink);filter:drop-shadow(0 0 5px var(--neon-pink))}.life-lost{color:#333}.overlay-screen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;justify-content:center;align-items:center;background:#0b0c10d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.menu-box{background:#141423e6;border:2px solid var(--neon-purple);border-radius:20px;padding:40px;text-align:center;box-shadow:0 0 40px #bc13fe33,inset 0 0 20px #bc13fe33;min-width:300px}.neon-title{font-family:Impact,sans-serif;font-size:56px;margin:0 0 20px;line-height:1;color:#fff;text-shadow:0 0 10px var(--neon-cyan),0 0 20px var(--neon-cyan),0 0 40px var(--neon-cyan);letter-spacing:4px}.gameover-title{font-family:Impact,sans-serif;font-size:40px;color:var(--neon-pink);text-shadow:0 0 15px var(--neon-pink);margin:0 0 20px}.high-score-box{display:inline-flex;align-items:center;gap:10px;background:#00000080;padding:10px 20px;border-radius:30px;font-size:18px;color:#ddd;margin-bottom:20px;border:1px solid #ffcc0044}.text-yellow{color:#fc0}.text-cyan{color:var(--neon-cyan)}.controls-hint{font-size:14px;color:#888;line-height:1.8;margin-bottom:30px;display:flex;flex-direction:column;align-items:center;gap:8px}.neon-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:transparent;color:var(--neon-cyan);border:2px solid var(--neon-cyan);padding:16px 32px;font-size:18px;font-weight:700;border-radius:12px;cursor:pointer;transition:all .2s;box-shadow:0 0 15px #00f3ff33 inset;width:100%}.neon-btn:hover:not(:disabled){background:var(--neon-cyan);color:#000;box-shadow:0 0 25px var(--neon-cyan);transform:scale(1.05)}.neon-btn:disabled{border-color:#555;color:#555;cursor:not-allowed;box-shadow:none}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:25px}.stat-item{background:#0006;padding:15px;border-radius:12px;display:flex;flex-direction:column;gap:5px}.stat-item .label{font-size:12px;color:#888}.stat-item .value{font-size:28px;font-weight:700;font-family:Impact,sans-serif}.new-record-text{color:var(--neon-cyan);font-size:15px;margin-bottom:20px;animation:pulse 1s infinite;font-weight:700}@keyframes pulse{0%,to{opacity:.8}50%{opacity:1;transform:scale(1.05)}}