:root{color:#0f172a;background:#f1f5f9;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}body{min-height:100vh;margin:0}.error-boundary{background:#fff;border-radius:12px;max-width:420px;margin:2rem auto;padding:2rem;box-shadow:0 10px 40px #0f172a14}.error-boundary h1{margin:0 0 .5rem;font-size:1.25rem}.app-root{justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex}.auth-card{background:#fff;border-radius:12px;width:100%;max-width:420px;padding:2rem;box-shadow:0 10px 40px #0f172a14}.auth-card-wide{max-width:480px}.auth-footer{text-align:center;margin:1.25rem 0 0;font-size:.95rem}.auth-footer a{color:#2563eb;text-decoration:none}.auth-footer a:hover{text-decoration:underline}.auth-card h1{margin:0 0 .25rem;font-size:1.5rem}.muted{color:#64748b;margin:0 0 1.5rem;font-size:.95rem}.stack{flex-direction:column;gap:1rem;display:flex}.field{flex-direction:column;gap:.35rem;font-size:.9rem;display:flex}.field input,.field select{font:inherit;border:1px solid #cbd5e1;border-radius:8px;padding:.55rem .65rem}.primary{color:#fff;font:inherit;cursor:pointer;background:#2563eb;border:none;border-radius:8px;padding:.65rem 1rem}.primary:disabled{opacity:.6;cursor:not-allowed}.error{color:#b91c1c;margin:0;font-size:.9rem}.shell{width:100%;max-width:960px;margin:0 auto}.topbar{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}.topbar h1{margin:0;font-size:1.25rem}.ghost{font:inherit;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:.45rem .75rem}.main{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 4px 20px #0f172a0f}.main code{background:#f1f5f9;border-radius:4px;padding:.1em .35em;font-size:.85em}