:root{color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{margin:0;background:#0f1115;color:#e6e8ec}.container{max-width:640px;margin:0 auto;padding:48px 24px}h1{margin:0 0 4px;font-size:1.6rem}.muted{color:#9aa1ab;margin:0 0 24px}.card{background:#171a21;border:1px solid #262b35;border-radius:12px;padding:20px}.row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid #20242d}.row:last-of-type{border-bottom:none}.label{color:#9aa1ab}.ok strong{color:#4ade80}.error{color:#f87171}code{background:#0f1115;padding:2px 8px;border-radius:6px;border:1px solid #262b35}button{margin-top:16px;background:#2563eb;color:#fff;border:none;border-radius:8px;padding:10px 16px;cursor:pointer;font-size:.95rem}button:hover{background:#1d4ed8}