body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f9fafb}.container{max-width:1200px;margin:0 auto;padding:2rem}.header{background:#fff;padding:1.5rem;box-shadow:0 1px 3px #0000001a;margin-bottom:2rem}.card{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 1px 3px #0000001a;margin-bottom:1rem}.btn{background:#2563eb;color:#fff;padding:.5rem 1rem;border:none;border-radius:4px;cursor:pointer}