:root{--ink:#241c15;--paper:#f3ecdf;--panel:#fffaf1;--line:#d8cab7;--accent:#8a5a22}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:var(--paper);color:var(--ink);font-family:system-ui}.auth-shell{width:min(460px,92vw)}.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:38px;box-shadow:0 28px 80px #241c151f}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.18em;font-size:.68rem;font-weight:700}h1{font:500 3.4rem/1 Georgia;margin:.2rem 0 1rem}form{display:grid;gap:15px;margin:26px 0}label{display:grid;gap:7px}label span{font-size:.69rem;text-transform:uppercase;letter-spacing:.1em}input{padding:12px;border:1px solid var(--line);border-radius:7px}button{padding:12px;border:0;border-radius:7px;background:var(--ink);color:white;cursor:pointer}[data-auth-error]{padding:10px;background:#fff1ed;color:#8c3828;border-radius:7px}details{font-size:.8rem;color:#75695d}