:root{--primary-green: #00A884;--primary-blue: #2563EB;--header-bg: #00A884;--app-bg: #F0F2F5;--chat-bg: #EFEAE2;--user-bubble: #D9FDD3;--bot-bubble: #FFFFFF;--input-bg: #FFFFFF;--text-primary: #111B21;--text-secondary: #667781;--text-tertiary: #8696A0;--border-color: #E9EDEF;--shadow-light: rgba(0, 0, 0, .08);--shadow-medium: rgba(0, 0, 0, .15)}[data-theme=dark]{--primary-green: #00A884;--primary-blue: #2563EB;--header-bg: #202C33;--app-bg: #0B141A;--chat-bg: #0B141A;--user-bubble: #005C4B;--bot-bubble: #202C33;--input-bg: #202C33;--text-primary: #E9EDEF;--text-secondary: #8696A0;--text-tertiary: #667781;--border-color: #2A3942;--shadow-light: rgba(0, 0, 0, .3);--shadow-medium: rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box;transition:background-color .3s ease,color .3s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe 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