:root{--color-primary: #35136f;--color-primary-hover: #4a1f8f;--color-primary-dark: #2a0f5a;--color-primary-soft: rgba(53, 19, 111, .08);--color-bg-chat: #f4f4f8;--color-bg-white: #ffffff;--color-bg-input: #ffffff;--color-bubble-bot: #ffffff;--color-bubble-user: #35136f;--color-bubble-bot-border: #e0e0e6;--color-text-primary: #1a1a2e;--color-text-secondary: #6c6c80;--color-text-inverse: #ffffff;--color-text-timestamp: #9e9eb3;--color-success: #28a745;--color-success-hover: #218838;--color-danger: #dc3545;--color-danger-hover: #c82333;--color-outline: #d1d1db;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 50%;--font-heading: "Poppins", sans-serif;--font-body: "DM Sans", sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--header-height: 64px;--input-height: 64px;--chat-max-width: 800px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;max-width:100vw;overflow:hidden;overflow-x:hidden;font-family:var(--font-body);font-size:14px;color:var(--color-text-primary);background:var(--color-bg-chat);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}