:root{color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#0b0d12;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#e7ecf3}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.25rem;pointer-events:none;text-align:center;padding:2rem}.overlay h1{margin:0;font-size:clamp(1.4rem,4vw,2.2rem);font-weight:650;letter-spacing:-.02em}.overlay p{margin:0;max-width:34ch;opacity:.7;line-height:1.5;font-size:.95rem}.buttons{display:flex;gap:.75rem;pointer-events:auto}button.xr{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(255,255,255,.14);background:linear-gradient(180deg,#2b6fff,#1e54d6);color:#fff;font:inherit;font-weight:600;font-size:1rem;padding:.8rem 1.5rem;border-radius:999px;cursor:pointer;transition:transform .08s ease,filter .15s ease}button.xr.secondary{background:#ffffff0f}button.xr:hover{filter:brightness(1.08)}button.xr:active{transform:translateY(1px) scale(.99)}button.xr:disabled{opacity:.4;cursor:not-allowed}.hint{position:fixed;bottom:1rem;left:50%;transform:translate(-50%);font-size:.8rem;opacity:.45;pointer-events:none}