:root{color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0;background:#0f1115;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.updatebar{position:fixed;left:0;right:0;top:0;z-index:999;background:#7c5cff;color:#fff;display:flex;align-items:center;justify-content:center;gap:12px;padding:8px;font-size:14px}.updatebar button{background:#fff;color:#4a32c9;border:0;padding:4px 12px;border-radius:8px;font-weight:700}