:root{color-scheme:light;--bg: #fafafa;--bg-elev: #ffffff;--bg-elev2: #f4f4f5;--fg: #18181b;--fg-dim: #52525b;--fg-dimmer: #a1a1aa;--accent: #f97316;--accent-soft: #f9731640;--border: #e4e4e7;--danger: #ef4444;--user: #3b82f6;--assistant: #f97316}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:14px;line-height:1.5}.app{display:flex;flex-direction:row;height:100vh}.main{flex:1;display:flex;flex-direction:column;min-width:0}.sidebar{width:220px;flex-shrink:0;background:var(--bg-elev2);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.sidebar-head{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--border)}.sidebar-head 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