body{margin:0;background:#fafafa;color:#1a1a1a}button{padding:6px 12px;margin:2px 0;cursor:pointer;border:1px solid #ccc;border-radius:6px;background:#fff}button:hover{background:#f0f0f0}code{background:#eee;padding:2px 6px;border-radius:4px}.login-btn{background:#fff;color:#111;border:1px solid #111;border-radius:4px;padding:11px 34px;font-size:14px;font-weight:500;letter-spacing:.04em;cursor:pointer;transition:background .18s ease,color .18s ease}.login-btn:hover{background:#111;color:#fff}