@tailwind base;@tailwind components;@tailwind utilities;@layer base{body{@apply bg-gray-50 text-gray-900;}}@layer components{.btn-primary{@apply bg-pupibot-primary hover:bg-pupibot-primary/90 text-white font-semibold py-2 px-6 rounded-lg transition-colors duration-200 flex items-center gap-2;}.btn-secondary{@apply bg-gray-200 hover:bg-gray-300 text-gray-900 font-semibold py-2 px-6 rounded-lg transition-colors duration-200;}.message-bubble{@apply max-w-2xl rounded-2xl px-4 py-3 mb-3;}.message-user{@apply message-bubble bg-pupibot-primary text-white ml-auto;}.message-bot{@apply message-bubble bg-white border border-gray-200 text-gray-900 mr-auto;}}@layer utilities{@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.animate-shimmer{animation:shimmer 2s infinite}}