:root{--bg:#faf6ef;--text:#1d2a2e;--primary:#1f5f6b;--primary-text:#fff;--muted:#4a5a5e;--error:#9b1c1c}*{box-sizing:border-box}html{font-size:112.5%}body{background:var(--bg);color:var(--text);flex-direction:column;min-height:100vh;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55;display:flex}main{flex:1;width:100%;max-width:34rem;margin:0 auto;padding:2rem 1.25rem}h1{margin:0 0 1rem;font-size:1.8rem;line-height:1.25}label{margin:1.25rem 0 .4rem;font-weight:600;display:block}input{border:2px solid var(--muted);width:100%;min-height:3.2rem;color:var(--text);background:#fff;border-radius:.6rem;padding:.6rem .9rem;font-size:1.1rem}input.code{letter-spacing:.3em;text-align:center;font-size:1.8rem}button{border:2px solid var(--primary);background:var(--primary);width:100%;min-height:3.2rem;color:var(--primary-text);cursor:pointer;border-radius:.6rem;margin-top:1rem;padding:.7rem 1rem;font-size:1.1rem;font-weight:600;display:block}button.secondary{color:var(--primary);background:0 0}button:disabled{opacity:.6;cursor:default}:focus-visible{outline-offset:2px;outline:3px solid #e2a100}.error{color:var(--error);font-weight:600}footer{flex-wrap:wrap;justify-content:center;gap:.5rem 1.25rem;padding:1.25rem;font-size:.9rem;display:flex}footer a{color:var(--muted);min-height:2rem;padding:.3rem 0;display:inline-block}