*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}body{color:#333;background-color:#f5f5f5}a{color:#06c;text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 4px #0000001a}.btn{cursor:pointer;border:none;border-radius:4px;padding:.75rem 1.5rem;font-size:1rem;transition:background-color .2s;display:inline-block}.btn-primary{color:#fff;background-color:#06c}.btn-primary:hover{background-color:#0052a3}.btn-secondary{color:#fff;background-color:#6c757d}.form-group{margin-bottom:1rem}.form-group label{margin-bottom:.5rem;font-weight:500;display:block}.form-group input{border:1px solid #ddd;border-radius:4px;width:100%;padding:.75rem;font-size:1rem}.form-group input:focus{border-color:#06c;outline:none}.error{color:#dc3545;margin-top:.5rem}.success{color:#28a745;margin-top:.5rem}