:root{--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace}:root[data-theme=light]{--fg: #1f2328;--fg-muted: #59636e;--bg: #ffffff;--bg-elev: #f6f8fa;--border: #d1d9e0;--accent: #0969da;--danger: #d1242f}:root[data-theme=dark]{--fg: #f0f6fc;--fg-muted: #9198a1;--bg: #0d1117;--bg-elev: #151b23;--border: #3d444d;--accent: #4493f8;--danger: #f85149}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:16px;line-height:1.5}.app-bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:8px 16px;background:color-mix(in srgb,var(--bg-elev) 92%,transparent);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border)}.brand{font-weight:600;letter-spacing:-.01em}.state{font-size:13px;color:var(--fg-muted);margin-left:8px;padding:2px 8px;border:1px solid var(--border);border-radius:999px}.state[data-state=connected]{color:var(--accent);border-color:var(--accent)}.state[data-state=error]{color:var(--danger);border-color:var(--danger)}.actions{margin-left:auto;display:flex;gap:8px}button{font:inherit;background:var(--bg-elev);color:var(--fg);border:1px solid var(--border);border-radius:6px;padding:4px 10px;cursor:pointer}button:hover{border-color:var(--accent);color:var(--accent)}button[disabled]{opacity:.5;cursor:not-allowed}#theme-btn{font-size:16px;line-height:1;padding:4px 8px;min-width:32px}main.markdown-body{max-width:980px;margin:24px auto;padding:0 24px 96px;background:transparent}.splash{text-align:center;margin-top:64px;color:var(--fg-muted)}.markdown-body .splash h1{font-size:40px;margin:0 0 8px;color:var(--fg);border-bottom:0;padding-bottom:0}.splash pre{display:inline-block;text-align:left}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:var(--bg-elev);color:var(--fg);border:1px solid var(--border);padding:8px 14px;border-radius:6px;box-shadow:0 6px 24px #0000001f;font-size:14px;max-width:80vw}.toast[data-kind=error]{border-color:var(--danger);color:var(--danger)}