*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html,body{width:100%;height:100%;overflow:hidden;background:#0a0014;font-family:'Courier New',Courier,monospace;color:#fff;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
#game-container{position:relative;width:100vw;height:100vh;overflow:hidden}
#gameCanvas{position:absolute;top:0;left:0;width:100%;height:100%;display:block;z-index:1}
.screen{position:absolute;top:0;left:0;width:100%;height:100%;display:none;justify-content:center;align-items:center;flex-direction:column;z-index:10}
.screen.active{display:flex}
.hidden{display:none!important}
#welcome-screen{background:transparent}
#welcomeCanvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;display:block}
.welcome-content{position:relative;z-index:1;text-align:center;padding:20px}
.game-title{font-size:clamp(2.5rem,8vw,6rem);font-weight:900;letter-spacing:.05em;line-height:1.1;text-transform:uppercase;background:linear-gradient(180deg,#ff00ff,#ff6ec7 30%,#ffff00 60%,#ff6ec7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;color:transparent;filter:drop-shadow(0 0 20px rgba(255,0,255,.8)) drop-shadow(0 0 40px rgba(255,0,255,.4));margin-bottom:10px;animation:titlePulse 2s ease-in-out infinite}
.title-accent{font-size:1.2em;letter-spacing:.15em}
@keyframes titlePulse{0%,100%{filter:drop-shadow(0 0 20px rgba(255,0,255,.8)) drop-shadow(0 0 40px rgba(255,0,255,.4))}50%{filter:drop-shadow(0 0 30px rgba(255,0,255,1)) drop-shadow(0 0 60px rgba(255,0,255,.6))}}
.subtitle{font-size:clamp(1rem,3vw,1.8rem);color:#0ff;text-shadow:0 0 10px #0ff,0 0 20px #0ff;animation:blink 1.2s step-end infinite;margin:20px 0}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.controls-info{font-size:clamp(.6rem,1.5vw,.9rem);color:#ff6ec7;margin:15px 0;line-height:1.8;opacity:.8}
.controls-info p{text-shadow:0 0 5px #ff6ec7}
.credit{font-size:.7rem;color:#666;margin-top:30px;letter-spacing:.2em}
.neon-btn{background:transparent;border:2px solid #0ff;color:#0ff;font-family:'Courier New',Courier,monospace;font-size:clamp(1rem,2.5vw,1.4rem);padding:12px 40px;margin:10px;cursor:pointer;text-transform:uppercase;letter-spacing:.15em;transition:all .15s;text-shadow:0 0 10px #0ff;box-shadow:0 0 10px rgba(0,255,255,.3),inset 0 0 10px rgba(0,255,255,.1);border-radius:12px}
.neon-btn:hover,.neon-btn:focus{background:rgba(0,255,255,.15);box-shadow:0 0 20px rgba(0,255,255,.6),inset 0 0 20px rgba(0,255,255,.2);transform:scale(1.05);outline:none}
.neon-btn:active{transform:scale(.98);background:rgba(0,255,255,.25)}
#hud{position:absolute;top:0;left:0;width:100%;z-index:5;pointer-events:none}
#hud-top{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;font-size:clamp(.8rem,2vw,1.1rem);text-shadow:0 0 8px #0ff}
#score-display{color:#0ff}
#level-display{color:#ff0;text-shadow:0 0 8px #ff0}
#lives-display{color:#ff6ec7;text-shadow:0 0 8px #ff6ec7}
#lives-display span{letter-spacing:4px}
#hud-bottom{position:fixed;bottom:10px;left:0;width:100%;text-align:center;font-size:clamp(.7rem,1.5vw,.9rem);color:#0f0;text-shadow:0 0 8px #0f0;padding:10px;pointer-events:none;z-index:5}
#mobile-controls{position:absolute;bottom:20px;left:0;width:100%;z-index:6;display:flex;justify-content:space-between;align-items:flex-end;padding:0 20px;pointer-events:none}
#mobile-controls.hidden{display:none!important}
#mobile-dpad{position:relative;width:160px;height:160px;pointer-events:auto}
.dpad-up{position:absolute;top:0;left:50%;transform:translateX(-50%)}
.dpad-left{position:absolute;bottom:10px;left:0}
.dpad-right{position:absolute;bottom:10px;right:0}
#mobile-fire{pointer-events:auto}
.mobile-btn{width:60px;height:60px;border-radius:50%;background:rgba(0,255,255,.1);border:2px solid rgba(0,255,255,.5);color:#0ff;font-size:1.5rem;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-tap-highlight-color:transparent}
.mobile-btn:active{background:rgba(0,255,255,.35)}
.fire-btn{width:80px;height:80px;border-color:rgba(255,0,100,.6);color:#ff0064;background:rgba(255,0,100,.1);font-size:.9rem;font-weight:bold}
.fire-btn:active{background:rgba(255,0,100,.35)}
.dpad-up{border-color:rgba(0,255,0,.5);color:#0f0;background:rgba(0,255,0,.1)}
.dpad-up:active{background:rgba(0,255,0,.35)}
#gameover-screen{background:rgba(10,0,20,.92)}
.gameover-title{font-size:clamp(2rem,6vw,4rem)!important;color:#ff0064!important;text-shadow:0 0 20px #ff0064,0 0 40px #ff0064!important;margin-bottom:20px}
#final-score-display{font-size:clamp(1.2rem,3vw,2rem);color:#0ff;text-shadow:0 0 10px #0ff;margin-bottom:20px}
.neon-text{color:#0ff;text-shadow:0 0 10px #0ff,0 0 20px #0ff;font-size:clamp(1.5rem,4vw,3rem)}
.neon-text-sm{color:#ff6ec7;text-shadow:0 0 10px #ff6ec7;font-size:clamp(1rem,2.5vw,1.5rem);margin:10px 0}
#initials-input{display:flex;justify-content:center;gap:10px;margin:15px 0}
.initial-box{width:50px;height:60px;background:rgba(0,0,0,.8);border:2px solid #ff6ec7;color:#ff6ec7;font-family:'Courier New',Courier,monospace;font-size:2rem;text-align:center;text-transform:uppercase;text-shadow:0 0 10px #ff6ec7;outline:none;caret-color:#ff6ec7;border-radius:10px}
.initial-box:focus{border-color:#0ff;color:#0ff;text-shadow:0 0 10px #0ff;box-shadow:0 0 15px rgba(0,255,255,.4)}
#highscore-table{margin:20px 0;text-align:center}
#highscore-list{list-style:none;padding:0;font-size:clamp(.9rem,2vw,1.2rem);color:#0ff;text-shadow:0 0 6px #0ff}
#highscore-list li{padding:4px 0;letter-spacing:.1em}
#pause-screen{background:rgba(10,0,20,.85);z-index:15;border-radius:0}
.controls-info{background:rgba(0,0,0,.25);border:1px solid rgba(255,110,199,.2);border-radius:12px;padding:12px 20px;display:inline-block}
@media(max-width:600px){#hud-top{padding:8px 10px;font-size:.75rem}#hud-bottom{font-size:.65rem;bottom:80px}.mobile-btn{width:55px;height:55px;font-size:1.3rem}.fire-btn{width:70px;height:70px;font-size:.8rem}}