:root{--bg: #f3f8fc;--fg: #0b2540;--muted: #4d6a85;--card: #ffffff;--accent: #1763a6;--border: #cfe0ee;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #0c1622;--fg: #e6f1fb;--muted: #8fa8c0;--card: #132336;--accent: #3fa7e8;--border: #23405c}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.login{min-height:100dvh;display:grid;place-content:center;justify-items:center;gap:.5rem;padding:1rem;text-align:center}.logo{height:auto}h1{margin:0;font-size:1.75rem}.subtitle{margin:0 0 1rem;color:var(--muted);max-width:32ch}.card{display:grid;gap:.9rem;width:min(360px,100%);padding:1.5rem;text-align:left;background:var(--card);border:1px solid var(--border);border-radius:12px}label{display:grid;gap:.3rem;font-size:.9rem}input{padding:.6rem .75rem;border:1px solid var(--border);border-radius:8px;background:transparent;color:inherit;font:inherit}button{padding:.65rem;border:0;border-radius:8px;background:var(--accent);color:#fff;font:inherit;font-weight:600}button:disabled,input:disabled{opacity:.55;cursor:not-allowed}small{color:var(--muted)}