:root{font-family:system-ui,-apple-system,sans-serif;color:#202125;background:#f5f5f7}*{box-sizing:border-box}body{margin:0}header{height:64px;display:flex;align-items:center;gap:16px;padding:0 24px;background:#fff;border-bottom:1px solid #e8e8ed}header strong{font-size:12px;letter-spacing:2px}header span{font-size:13px;color:#777}#clock{margin-left:auto;font-variant-numeric:tabular-nums}button{cursor:pointer;border:1px solid #ddd;border-radius:10px;background:#fff;padding:10px 16px;font:inherit;font-size:13px}button:disabled{cursor:wait;opacity:.5}button:focus-visible,input:focus-visible{outline:3px solid #635bff;outline-offset:3px}main{max-width:520px;margin:9vh auto;text-align:center;padding:24px}.mark{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 32px;border-radius:16px;color:#fff;background:#19191b;font-weight:900}.eyebrow{font-size:11px;letter-spacing:2px;color:#635bff}h1{font-size:36px;line-height:1.25;letter-spacing:-1.5px}p{color:#777;line-height:1.8;font-size:14px}.primary{display:block;width:100%;background:#635bff;border:0;color:white;font-weight:700;font-size:15px;padding:16px;margin-top:32px}.hint{font-size:12px;margin-top:20px}#message{color:#b42318}#screen{height:calc(100dvh - 64px);background:#18181b;overflow:hidden}#keyboard-panel{position:fixed;bottom:0;left:0;right:0;background:#fff;padding:12px;font-size:12px}input{display:block;width:100%;font-size:16px;padding:8px;margin-top:6px;border:1px solid #ddd;border-radius:8px}[hidden]{display:none!important}@media(max-width:600px){header{padding:0 12px;gap:8px}header span{font-size:11px}header button{padding:8px}header strong{font-size:10px;letter-spacing:1px}h1{font-size:30px}}