*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d0d1a;--bg2: #13131f;--bg3: #1a1a2e;--surface: #1e1e30;--surface2: #252538;--border: #2a2a40;--text: #e8e8f0;--text-muted: #8888a8;--accent: #f97316;--accent-green: #22c55e;--accent-yellow: #facc15;--accent-blue: #3b82f6;--bubble-user: #1e3a5f;--bubble-ai: #1a1a2e;--radius: 14px;--radius-sm: 8px}html,body,#root{height:100%;width:100%;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text)}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.header{background:var(--bg2);border-bottom:1px solid var(--border);padding:0;flex-shrink:0;z-index:10}.header-top{display:flex;align-items:center;justify-content:space-between;padding:12px 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12px}
