:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,sans-serif;background:#111;color:#fff}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0;overflow:hidden}body{background:#111}a-scene{width:100vw;height:100vh}button{appearance:none;border:0;border-radius:8px;color:#111;background:#fff;font:inherit;font-weight:700;cursor:pointer;touch-action:manipulation}button:disabled{cursor:wait;opacity:.6}.overlay{position:fixed;inset:0;z-index:20;display:grid;place-items:center;align-content:center;gap:28px;padding:max(24px,env(safe-area-inset-top)) 24px max(24px,env(safe-area-inset-bottom));background:linear-gradient(#1111117a,#111111d1),url(/assets/target-07.jpg) center / cover;transition:opacity .18s ease,visibility .18s ease}.overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}.brand{display:flex;align-items:center;gap:16px;width:min(88vw,420px)}.brand img{width:96px;aspect-ratio:982 / 1080;border-radius:8px;object-fit:cover;box-shadow:0 18px 50px #0000006b}.brand h1,.brand p{margin:0}.brand h1{font-size:clamp(30px,8vw,46px);line-height:1.08;letter-spacing:0;text-shadow:0 3px 20px rgba(0,0,0,.45)}.eyebrow{margin-bottom:8px;color:#f4d081;font-size:12px;font-weight:800}#startButton{width:min(88vw,420px);min-height:56px;padding:14px 22px;font-size:20px;box-shadow:0 16px 46px #00000057}.status{position:fixed;top:max(14px,env(safe-area-inset-top));left:50%;z-index:12;width:max-content;max-width:calc(100vw - 32px);min-height:38px;transform:translate(-50%);display:flex;align-items:center;justify-content:center;padding:8px 14px;border:1px solid rgba(255,255,255,.22);border-radius:8px;color:#fff;background:#111111b8;font-size:15px;font-weight:800;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.status[data-state=found]{border-color:#5eead4a3;background:#042f2ebd}.status[data-state=warn],.status[data-state=error]{border-color:#fb923cb8;background:#431407c7}.controls{position:fixed;right:max(14px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom));z-index:12;display:flex;gap:10px}.controls button{min-width:62px;min-height:44px;padding:10px 12px;border:1px solid rgba(255,255,255,.22);color:#fff;background:#111111b8;font-size:14px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.controls button[data-active=true]{color:#111;background:#f4d081}@media(max-width:420px){.brand{align-items:flex-end}.brand img{width:82px}.controls{left:max(14px,env(safe-area-inset-left));right:max(14px,env(safe-area-inset-right))}.controls button{flex:1}}