:root{--bg:#05030a;--violet:#8b5cff;--cyan:#6cecff;--gold:#e9b85d;--ink:#f4f6ff}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:radial-gradient(circle at 50% 8%,#251044 0,#090611 46%,#020204 100%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:white;overflow:hidden}
body{display:grid;place-items:center}
#game-shell{position:relative;width:min(100vw,540px);height:min(100vh,960px);max-height:100dvh;overflow:hidden;background:#07050d;box-shadow:0 0 90px #000;border-left:1px solid #382351;border-right:1px solid #382351;touch-action:none}
canvas{display:block;width:100%;height:100%;image-rendering:auto}
#overlay{position:absolute;inset:0;display:none;place-items:center;padding:24px;background:radial-gradient(circle at 50% 14%,rgba(85,34,134,.28),transparent 34%),linear-gradient(180deg,rgba(3,2,8,.42),rgba(3,2,8,.90));backdrop-filter:blur(2px)}
#overlay::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 53px,rgba(108,236,255,.025) 54px),repeating-linear-gradient(0deg,transparent 0 71px,rgba(108,236,255,.025) 72px);pointer-events:none}
#overlay.visible{display:grid}
.panel{position:relative;width:min(94%,442px);padding:30px 28px 26px;border:1px solid rgba(174,125,255,.72);background:linear-gradient(180deg,rgba(25,13,43,.93),rgba(6,6,15,.96));box-shadow:0 0 0 1px rgba(108,236,255,.14) inset,0 0 45px rgba(111,50,180,.22),0 28px 80px #000;text-align:center;clip-path:polygon(8% 0,92% 0,100% 8%,100% 92%,92% 100%,8% 100%,0 92%,0 8%)}
.panel::before,.panel::after{content:"";position:absolute;top:19px;width:52px;height:1px;background:linear-gradient(90deg,transparent,#70e9ff)}.panel::before{left:22px}.panel::after{right:22px;transform:scaleX(-1)}
.intro-brand{display:flex;flex-direction:column;align-items:center;margin:-4px auto 16px;color:#ddb15d;transition:opacity .18s ease,transform .18s ease}.intro-brand.hidden{display:none}
.intro-brand img{width:66px;height:66px;object-fit:contain;filter:drop-shadow(0 0 14px rgba(221,177,93,.28))}.brand-name{font-family:Georgia,serif;font-size:14px;letter-spacing:.28em;margin:3px 0 3px;padding-left:.28em}.brand-tagline{font-size:6px;letter-spacing:.15em;opacity:.82;padding-left:.15em}
.eyebrow{font-size:9px;letter-spacing:.34em;color:#9ff1ff;margin-bottom:14px}.panel h1{font-family:Georgia,serif;font-size:66px;line-height:.9;margin:0;letter-spacing:.09em;background:linear-gradient(180deg,#fff,#c8cbff 56%,#8d69db);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 28px rgba(137,90,255,.42)}
.subtitle{margin:10px 0 19px;color:#f0bd62;font-size:12px;letter-spacing:.39em}.copy{font-size:13px;line-height:1.58;color:#d2d5e8;margin:0 auto 22px;max-width:340px}
button{font:inherit}#startBtn{appearance:none;position:relative;border:1px solid #8eefff;color:#061118;background:linear-gradient(180deg,#b7f7ff,#56d6eb 55%,#2da5c1);font-weight:950;letter-spacing:.17em;padding:15px 22px;min-width:236px;cursor:pointer;box-shadow:0 0 28px rgba(97,231,255,.38),inset 0 1px rgba(255,255,255,.85);clip-path:polygon(7% 0,93% 0,100% 30%,100% 70%,93% 100%,7% 100%,0 70%,0 30%)}#startBtn:active{transform:translateY(1px);filter:brightness(1.12)}
.controls{font-size:10px;line-height:1.7;color:#9296ad;margin:19px 0 0;letter-spacing:.04em}
#mobileControls{position:absolute;left:0;right:0;bottom:max(12px,env(safe-area-inset-bottom));height:88px;display:none;align-items:center;justify-content:space-between;padding:0 max(18px,env(safe-area-inset-left)) 0 max(18px,env(safe-area-inset-right));pointer-events:none}
#mobileControls button{pointer-events:auto;touch-action:none;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}.move-btn{width:74px;height:68px;border-radius:16px;border:2px solid rgba(126,235,255,.8);background:linear-gradient(180deg,rgba(38,34,76,.96),rgba(11,12,29,.98));color:#e8fdff;font-size:29px;font-weight:900;box-shadow:0 0 25px rgba(97,231,255,.24),inset 0 0 22px rgba(97,231,255,.08)}#leftBtn{margin-right:8px}#rightBtn{margin-right:auto;margin-left:10px}
#fireBtn{width:78px;height:78px;border-radius:50%;border:2px solid rgba(255,231,157,.96);background:radial-gradient(circle at 35% 28%,#fff8bd,#f66b9c 38%,#6a1d58 72%,#1d0b26 100%);color:white;font-size:30px;box-shadow:0 0 34px rgba(255,82,140,.62),inset 0 0 12px rgba(255,255,255,.28)}.move-btn:active,#fireBtn:active{transform:scale(.94);filter:brightness(1.2)}.move-btn.active{border-color:#fff1a8;background:linear-gradient(180deg,rgba(111,70,181,.98),rgba(35,20,75,.98));box-shadow:0 0 34px rgba(166,112,255,.78),inset 0 0 24px rgba(255,255,255,.12);transform:scale(.97)}
#mobileHint{position:absolute;left:0;right:0;bottom:max(104px,calc(env(safe-area-inset-bottom) + 94px));text-align:center;font-size:8px;letter-spacing:.13em;color:rgba(205,218,255,.58);display:none;pointer-events:none;text-shadow:0 0 8px #000}@media (pointer:coarse){#mobileControls{display:flex}#mobileHint{display:block}}
@media (min-width:900px) and (pointer:fine){#game-shell{height:min(94vh,960px);border:1px solid #44265f;border-radius:10px}#game-shell::before,#game-shell::after{content:"";position:fixed;top:0;bottom:0;width:calc((100vw - min(100vw,540px))/2);pointer-events:none;background:radial-gradient(circle at center,rgba(78,43,122,.14),transparent 65%)}#game-shell::before{left:0}#game-shell::after{right:0}}
@media (max-height:720px){.panel{padding:19px 22px 17px}.intro-brand{margin:-4px auto 9px}.intro-brand img{width:48px;height:48px}.brand-name{font-size:11px}.panel h1{font-size:48px}.subtitle{margin-bottom:11px}.copy{margin-bottom:13px}.controls{margin-top:11px}}
@media (max-width:380px){#overlay{padding:12px}.panel{width:97%;padding-left:18px;padding-right:18px}.panel h1{font-size:50px}#startBtn{min-width:210px}}

#soundBtn{position:absolute;z-index:8;top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));min-width:86px;height:34px;padding:0 10px;border:1px solid rgba(126,235,255,.62);border-radius:9px;background:rgba(8,8,22,.78);color:#c9f8ff;font-size:9px;font-weight:900;letter-spacing:.1em;box-shadow:0 0 16px rgba(97,231,255,.16);backdrop-filter:blur(5px);touch-action:manipulation;-webkit-tap-highlight-color:transparent}#soundBtn.off{border-color:rgba(255,255,255,.26);color:#8e91a4;box-shadow:none}#soundBtn:active{transform:scale(.96)}
@media (pointer:coarse){#soundBtn{top:max(10px,env(safe-area-inset-top));right:max(10px,env(safe-area-inset-right));height:32px;min-width:82px}}