:root{color:#f8fafc;background:#111827;font-family:Inter,ui-rounded,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html,body,#app,#game-container{width:100%;height:100%;margin:0;overflow:hidden}html,body{position:fixed;inset:0;min-height:100%;overscroll-behavior:none;touch-action:none;background:#111827;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}#app{padding:0}#game-container{display:grid;place-items:center}#game-container canvas{display:block;max-width:100%;max-height:100%;touch-action:none}#orientation-guard{position:fixed;z-index:20;inset:0;display:none;place-items:center;padding:32px;color:#f8fafc;background:#111827;text-align:center}#orientation-guard span{display:block;margin-bottom:18px;color:#38bdf8;font-size:64px;line-height:1}#orientation-guard strong{display:block;font-size:24px}#orientation-guard p{margin:10px 0 0;color:#94a3b8}#update-toast{position:fixed;z-index:30;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));left:max(16px,env(safe-area-inset-left));display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:480px;margin-inline:auto;padding:14px 16px;border:1px solid #334155;border-radius:14px;background:#1e293b;box-shadow:0 16px 40px #00000059}#update-toast[hidden]{display:none}#update-button{min-height:44px;padding:0 16px;border:0;border-radius:10px;color:#082f49;background:#38bdf8;font:inherit;font-weight:700}@media(orientation:portrait)and (max-width:600px){#orientation-guard{display:grid}}