:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffffeb;background-color:#0c0f14;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}#app{width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center}.app{width:min(1100px,100%);padding:16px;box-sizing:border-box}.header{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:10px}.title{font-weight:700;letter-spacing:.5px;font-size:18px}.hint{color:#fff9;font-size:12px}.gameRoot{width:100%;aspect-ratio:16 / 9;background:linear-gradient(180deg,#121826,#0c0f14);border:1px solid rgba(255,255,255,.08);border-radius:10px;overflow:hidden}