:root{--font-family: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif;--line-height: 1.6;--font-weight: 400;--bg-app: #f0f4f8;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-accent: #e0e7ff;--primary-color: #4f46e5;--primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);--bg-chat-user: var(--primary-color);--bg-chat-user-gradient: var(--primary-gradient);--text-primary: #1e293b;--text-secondary: #64748b;--text-inverse: #ffffff;--border-color: #e2e8f0;--shadow-color: rgba(148, 163, 184, .15);--shadow-elevation: 0 10px 40px -10px rgba(0,0,0,.1);font-family:var(--font-family);line-height:var(--line-height);font-weight:var(--font-weight);background-color:var(--bg-app);color:var(--text-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s,color .3s}body.dark{--bg-app: #0f172a;--bg-primary: #1e293b;--bg-secondary: #334155;--bg-accent: #1e1b4b;--primary-color: #6366f1;--primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--bg-chat-user: var(--primary-color);--bg-chat-user-gradient: var(--primary-gradient);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-inverse: #ffffff;--border-color: #334155;--shadow-color: rgba(0, 0, 0, .5);--shadow-elevation: 0 10px 40px -10px rgba(0,0,0,.5);background-color:var(--bg-app)}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{max-width:1280px;margin:0 auto;text-align:center;width:100%}.app-container{width:100%;min-height:100vh;display:flex;flex-direction:column}