:root{--color-primary: #4F46E5;--color-primary-hover: #4338ca;--color-bg-base: #f8fafc;--color-bg-container: #ffffff;--color-text-base: #1e293b;--color-text-secondary: #64748b;--color-border: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--radius-md: 8px;--radius-lg: 12px}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";background-color:var(--color-bg-base);color:var(--color-text-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background-color:#94a3b8}.app-shell-layout{min-height:100vh}.app-shell-sider{border-right:1px solid var(--color-border);background:var(--color-bg-container)!important}.app-shell-brand{height:64px;padding:16px 24px;font-size:20px;font-weight:800;display:flex;align-items:center;background:linear-gradient(135deg,#4f46e5,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}.app-shell-header{display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--color-bg-container)!important;box-shadow:var(--shadow-sm);z-index:10;position:relative}.app-shell-title.ant-typography{margin:0;font-weight:600;color:var(--color-text-base)}.app-shell-content{padding:24px}@media print{.chat-sidebar,.ant-layout-sider,.ant-menu,nav,header{display:none!important}.ant-layout-content{margin:0!important;padding:0!important}}