:root{--color-primary: #00a0df;--color-primary-hover: #0089bf;--color-primary-active: #006d98;--color-primary-dark: #0f2f5d;--color-secondary-1: #6ac5ea;--color-secondary-2: #29598e;--color-secondary-3: #0f2f5d;--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #009ee2;--color-white: #ffffff;--color-gray-50: #edf2f7;--color-gray-100: #e5ebf2;--color-gray-200: #d4dce6;--color-gray-300: #bcc8d6;--color-gray-400: #8d9caf;--color-gray-500: #65758a;--color-gray-600: #44566e;--color-gray-700: #28384d;--color-gray-800: #182535;--color-gray-900: #101b29;--color-black: #000000;--color-bot-bubble: #f3f4f6;--color-user-bubble: #009ee2;--color-error-bubble: #fee2e2;--surface-page: #e8eef4;--surface-panel: var(--color-white);--surface-panel-alt: #f2f5f9;--border-default: #c9d4e1;--border-strong: #b2c0d1;--font-family: "Inter", system-ui, sans-serif;--font-family-mono: "JetBrains Mono", monospace;--font-size-h1: 1.875rem;--font-size-h2: 1.5rem;--font-size-h3: 1.25rem;--font-size-h4: 1.125rem;--font-size-body: 1rem;--font-size-body-sm: .875rem;--font-size-caption: .75rem;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-snug: 1.3;--line-height-normal: 1.5;--line-height-relaxed: 1.6;--radius-card: 2px;--radius-control: 2px;--radius-bubble: 12px;--shadow-sm: 0 0 0 1px rgba(18, 38, 63, .02);--shadow-md: 0 1px 0 rgba(16, 27, 41, .04);--shadow-lg: 0 2px 4px rgba(16, 27, 41, .06)}html,body{margin:0;padding:0;min-height:100%}body{font-family:var(--font-family);font-size:var(--font-size-body);color:var(--color-gray-600);background:var(--surface-page)}