:root{--primary:#ff4d00;--primary-hover:#e64500;--bg-main:#f1f5f9;--sidebar-bg:#0f172a;--text-main:#0f172a;--text-muted:#64748b;--border:#e2e8f0;--white:#ffffff;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1);--radius:12px}body,html{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}.chat-window h1,.chat-window h2{font-size:1.1rem!important;margin-top:8px;margin-bottom:4px;font-weight:700}.chat-window h3,.chat-window h4{font-size:1rem!important;margin-top:6px;margin-bottom:2px;font-weight:600}.chat-window ol,.chat-window ul{padding-left:20px;margin:5px 0}