*{margin:0;padding:0;box-sizing:border-box}body{background:#020304;overflow:hidden;font-family:IBM Plex Mono,monospace;color:#8a8a94;-webkit-font-smoothing:antialiased}@keyframes pulse{0%,to{opacity:.4}50%{opacity:.9}}.btn{font-family:IBM Plex Mono,monospace;font-size:6.5px;letter-spacing:.25em;text-transform:uppercase;color:#28282f;background:none;border:1px solid #16161e;padding:3px 9px;cursor:pointer;transition:color .3s,border-color .3s}.btn:hover{color:#7a7a84;border-color:#28282f}.content-warning{width:min(88vw,560px);margin:0 0 22px;color:#8f8f9b;font-size:clamp(11px,1.2vw,14px);line-height:1.6;text-align:center}.mode-controls{display:grid;gap:10px;width:min(88vw,430px);padding:16px 18px;border:1px solid #2c2c36;color:#b3b3be;font-size:clamp(11px,1.1vw,13px)}.mode-controls label{display:flex;gap:10px;align-items:center;cursor:pointer}.mode-controls input{width:16px;height:16px;accent-color:#8daee8}.begin-button{margin-top:24px;border:1px solid #4a4a58;padding:10px 28px;background:transparent;color:#d0d0d8;font:inherit;font-size:12px;letter-spacing:.28em;text-transform:uppercase;cursor:pointer}.begin-button:hover,.begin-button:focus-visible{border-color:#9b9baa;outline:2px solid #7994c7;outline-offset:3px}.begin-button:disabled{cursor:wait;opacity:.35}@media (prefers-reduced-motion: reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}