*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;font-family:'Arial Black','Impact',sans-serif;background:#1a0000;touch-action:none}
#app{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
#menu,#game{width:100%;max-width:480px;height:100%;position:relative;overflow:hidden}
#menu{display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 60%,rgba(255,80,0,.25) 0%,transparent 65%),linear-gradient(180deg,#1a0000 0%,#2a0800 50%,#1a0000 100%);padding:20px}
.icon-wrap{font-size:clamp(64px,18vw,96px);margin-bottom:12px;filter:drop-shadow(0 0 28px #ff4400aa);animation:erupt 1.8s ease-in-out infinite}
@keyframes erupt{0%,100%{transform:scale(1) translateY(0)}50%{transform:scale(1.08) translateY(-6px)}}
.title{font-size:clamp(28px,9vw,52px);font-weight:900;letter-spacing:4px;text-align:center;background:linear-gradient(180deg,#ffffff 0%,#ff9944 40%,#cc3300 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px}
.sub{font-size:10px;letter-spacing:5px;color:#ff6622aa;text-transform:uppercase;margin-bottom:30px}
.play-btn{padding:16px 52px;border-radius:10px;border:none;cursor:pointer;background:linear-gradient(180deg,#ff9944 0%,#cc3300 50%,#661100 100%);color:#1a0000;font-size:clamp(14px,4vw,18px);font-weight:900;letter-spacing:4px;text-transform:uppercase;box-shadow:0 6px 0 #330000,0 0 30px #ff440055;margin-bottom:14px}
.play-btn:active{transform:translateY(5px)}.best{font-size:13px;color:#ff662255;letter-spacing:2px;margin-bottom:18px}
.hint{font-size:12px;color:rgba(255,120,60,.55);text-align:center;max-width:280px;line-height:1.7;margin-bottom:18px}
.links{display:flex;gap:18px}.links a{font-size:11px;color:#ff662233;text-decoration:none;letter-spacing:2px;text-transform:uppercase;border-bottom:1px solid #ff662222;padding-bottom:2px}
#game{display:none;background:#1a0000}canvas{position:absolute;inset:0;width:100%;height:100%}
.hud{position:absolute;top:env(safe-area-inset-top,10px);left:0;right:0;display:flex;justify-content:space-between;padding:0 12px;gap:8px;pointer-events:none;z-index:10}
.hud-box{flex:1;background:rgba(0,0,0,.75);border:1px solid #ff662222;border-radius:8px;padding:6px 8px;text-align:center;backdrop-filter:blur(6px)}
.hud-lbl{font-size:9px;letter-spacing:2px;color:#ff662255;text-transform:uppercase;margin-bottom:2px}
.hud-val{font-size:clamp(18px,5vw,24px);font-weight:900;color:#ff9944;line-height:1;text-shadow:0 0 10px #ff440088}
#backBtn{position:absolute;top:calc(env(safe-area-inset-top,10px)+4px);right:14px;font-size:22px;background:none;border:none;color:#ff662233;cursor:pointer;z-index:20;padding:6px}
.popup{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;background:rgba(26,0,0,.94);backdrop-filter:blur(14px);z-index:30;padding:30px 20px;text-align:center}
.popup.show{display:flex}
.popup-title{font-size:clamp(26px,8vw,42px);font-weight:900;letter-spacing:4px;background:linear-gradient(180deg,#fff,#ff9944,#cc3300);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}
.score-big{font-size:clamp(52px,15vw,82px);font-weight:900;color:#ff9944;text-shadow:0 0 30px #ff440088;line-height:1;margin-bottom:4px}
.score-sub{font-size:13px;color:#ff662255;letter-spacing:3px;margin-bottom:28px}
.restart-btn{padding:14px 44px;border-radius:10px;border:none;cursor:pointer;background:linear-gradient(180deg,#ff9944,#cc3300,#661100);color:#1a0000;font-size:15px;font-weight:900;letter-spacing:3px;text-transform:uppercase;box-shadow:0 5px 0 #330000}
.restart-btn:active{transform:translateY(4px)}