:root{--bg:#f4f5f7;--surface:#fff;--surface-2:#f7f8fa;--line:#e2e5ea;--ink:#14121a;--ink-2:#3b3648;--ink-3:#716b7c;--violet:#6d3aff;--violet-2:#8e63ff;--accent:#ffc53d;--danger:#b83a3a;--success:#4a8b5c;--radius:12px;--radius-sm:8px}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Space Grotesk,system-ui,-apple-system,sans-serif;font-size:14.5px;line-height:1.55}a{color:var(--violet);text-decoration:none}a:hover{text-decoration:underline}.muted{color:var(--ink-3)}.mono{font-family:JetBrains Mono,ui-monospace,monospace}.serif{font-family:Fraunces,Georgia,serif;font-style:italic}.app-shell{flex-direction:column;min-height:100vh;display:flex}.top-bar{border-bottom:1px solid var(--line);background:var(--surface);justify-content:space-between;align-items:center;gap:16px;padding:14px 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10px;font-size:13px}.kb-article-body th{background:var(--bg-2);font-weight:650}.kb-article-body hr{border:none;border-top:1px solid var(--line);margin:16px 0}.kb-img-shimmer{border:1px solid var(--line);background:linear-gradient(90deg, var(--bg-2) 25%, var(--surface) 50%, var(--bg-2) 75%);background-size:200% 100%;border-radius:8px;max-width:420px;height:140px;margin:12px 0;animation:1.2s ease-in-out infinite kbShimmer;display:block}@keyframes kbShimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.kb-img-fallback{border:1px dashed var(--line-2);color:var(--ink-3);border-radius:8px;margin:12px 0;padding:8px 12px;font-size:12.5px;display:inline-block}