:root{color-scheme:light dark;font-family:system-ui,-apple-system,sans-serif}body{margin:0;display:grid;min-height:100vh;place-items:center;background:#0f1115;color:#e6e6e6}.app{width:min(28rem,92vw)}.card{background:#181b22;border:1px solid #262a33;border-radius:12px;padding:2rem;text-align:center}h1{margin:0 0 .5rem;font-size:1.6rem}.muted{color:#9aa3b2}.center{text-align:center}.fine{color:#6b7280;font-size:.8rem;margin-top:1.5rem}.btn{display:inline-block;margin-top:1rem;padding:.7rem 1.2rem;border:none;border-radius:8px;background:#4f7cff;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;text-decoration:none}.btn:hover{background:#3f6ae8}.kv{display:grid;grid-template-columns:auto 1fr;gap:.4rem 1rem;text-align:left;margin:1.5rem 0}.kv dt{color:#9aa3b2}.kv dd{margin:0}input{width:100%;box-sizing:border-box;margin:1rem 0;padding:.6rem;border-radius:8px;border:1px solid #3a3f4b;background:#0f1115;color:#e6e6e6;font-size:1.1rem;letter-spacing:.1em;text-align:center;text-transform:uppercase}.ok{color:#4ade80}.err{color:#f87171}.provider{margin:1rem 0;padding:1rem;border:1px solid rgba(255,255,255,.12);border-radius:8px}.provider h2{margin:0 0 .5rem;font-size:1rem}