@tailwind base;@tailwind components;@tailwind utilities;@layer base{body{@apply font-sans antialiased bg-gray-50 dark:bg-gray-900 text-gray-900 dark:text-gray-50;}h1{@apply text-4xl font-bold mb-4;}h2{@apply text-3xl font-semibold mb-3;}h3{@apply text-2xl font-medium mb-2;}p{@apply text-base mb-2 leading-relaxed;}a{@apply text-blue-600 hover:text-blue-800 dark:text-blue-400 dark:hover:text-blue-300;}}@layer components{.btn{@apply py-2 px-4 font-semibold rounded shadow-md;}.btn-primary{@apply bg-blue-500 text-white hover:bg-blue-700;}.container{@apply max-w-7xl mx-auto px-4 sm:px-6 lg:px-8;}}