:root{font-family:system-ui,sans-serif;color:#222;background:#fafafa}*{box-sizing:border-box}body{margin:0;min-height:100vh}main{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center}h1{font-size:clamp(48px,9vw,96px);font-weight:600;letter-spacing:-.06em;line-height:1;margin:0 0 32px}button{font:600 15px system-ui,sans-serif;color:#fff;background:#222;border:0;border-radius:8px;padding:14px 22px;cursor:pointer}button:hover{background:#444}button:focus-visible{outline:3px solid #555;outline-offset:4px}#accountEmail{color:#666;font-size:14px;margin:16px 0 0}#accountEmail:empty{display:none}#authMessage{color:#a12d2d;font-size:14px;min-height:20px;margin-top:20px}