:root{--background-color: #f9f9f9;--text-color: #333333;--primary-color: #0084ff;--primary-color-hover: #0073e6;--secondary-color: #e5e5ea;--border-color: #dddddd;--input-bg: #ffffff;--bubble-user-bg: var(--primary-color);--bubble-user-color: #ffffff;--bubble-bot-bg: var(--secondary-color);--bubble-bot-color: var(--text-color);--typing-indicator-bg: #f0f0f0;--typing-indicator-border: var(--primary-color);--theme-toggle-bg: rgba(0, 0, 0, .05);--theme-toggle-hover-bg: rgba(0, 0, 0, .1);--theme-toggle-border: rgba(0, 0, 0, .1);--theme-toggle-text: inherit;--button-disabled-bg: #cccccc;--empty-chat-color: #6c757d}[data-theme=dark]{--background-color: #1e1e1e;--text-color: #e0e0e0;--primary-color: #0084ff;--primary-color-hover: #2196ff;--secondary-color: #383838;--border-color: #444444;--input-bg: #2a2a2a;--bubble-user-bg: var(--primary-color);--bubble-user-color: #ffffff;--bubble-bot-bg: var(--secondary-color);--bubble-bot-color: var(--text-color);--typing-indicator-bg: #2a2a2a;--typing-indicator-border: var(--primary-color);--theme-toggle-bg: rgba(255, 255, 255, .05);--theme-toggle-hover-bg: rgba(255, 255, 255, .1);--theme-toggle-border: rgba(255, 255, 255, .1);--theme-toggle-text: var(--text-color);--button-disabled-bg: #555555;--empty-chat-color: #a0a0a0}body{background-color:var(--background-color);color:var(--text-color);transition:background-color .3s ease,color .3s ease;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}@media (prefers-color-scheme: dark){:root[data-theme=system]{--background-color: #1e1e1e;--text-color: #e0e0e0;--secondary-color: #383838;--border-color: #444444;--input-bg: #2a2a2a;--typing-indicator-bg: #2a2a2a;--theme-toggle-bg: rgba(255, 255, 255, .05);--theme-toggle-hover-bg: rgba(255, 255, 255, .1);--theme-toggle-border: rgba(255, 255, 255, .1);--theme-toggle-text: var(--text-color);--button-disabled-bg: #555555;--empty-chat-color: #a0a0a0}}