:root{color-scheme:light;--foreground:#0b1220;--muted:#5b6475;--background:#f5f6f8;--card:#ffffff;--border:#e3e6eb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--foreground);background:var(--background)}.auth-shell{display:grid;min-height:100vh;place-items:center;padding:24px}.auth-stack{flex-direction:column;gap:24px}.auth-stack,.brand{display:flex;align-items:center}.brand{gap:10px}.brand-mark{display:grid;width:36px;height:36px;place-items:center;border-radius:10px;background:var(--foreground);color:var(--card);font-size:14px;font-weight:700}.brand-name{margin:0;font-size:14px;font-weight:600;line-height:1.25}.brand-caption{margin:0;color:var(--muted);font-size:12px;line-height:1.25}.notice{max-width:400px;padding:28px;border:1px solid var(--border);border-radius:12px;background:var(--card);text-align:center}.notice h1{margin:0 0 8px;font-size:18px}.notice p{margin:0 0 20px;color:var(--muted);font-size:14px;line-height:1.5}.button{padding:9px 16px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--foreground);font:inherit;font-size:14px;font-weight:500;cursor:pointer}.button:hover{background:var(--background)}