body {  
   font-family: 'Roboto', sans-serif;  
   background-color: #f4f4f4;  
}  
/* Merkezi konumlandırma ve responsive container */  
.register-container {  
   background-color: #fff;  
   padding: 30px;  
   border-radius: 5px;  
   box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);  
   min-height: 100vh;  
   display: grid;  
   align-items: center;  
   justify-content: center;  
}  
/* Form genişliğini sınırlayarak mobilde daha iyi görünmesini sağlıyoruz */  
.register-form {  
   width: 700px;  
   max-width: 700px;  
   background: #fff;  
}  

.form-check {  
   margin: 15px 0;  
}  

.form-control {  
   border-radius: 5px;  
   border: 1px solid #ccc;  
   padding: 10px;  
   box-shadow: none;  
}  

.form-control::placeholder {  
   color: rgba(17, 17, 17, 0.45);  
}  

.form-label {  
   font-weight: bold;  
   margin-bottom: 5px;  
   margin-top: 15px;  
}  

.btn-primary {  
   background-color: #1a76d1;  
   border: none;  
   border-radius: 5px;  
   padding: 10px 20px;  
   font-weight: bold;  
}  

.btn-primary:hover {  
   background-color: #155a8a;  
}

.hint {
    color: #1a76d1;
    font-size: 12px;
}  

.hidden {  
   display: none;  
}  

.required-star {  
   color: brown;  
}

.text-danger {
    color: brown;
    font-size: 12px;
}

#alertContainer {  
   position: fixed;  
   top: 20px;  
   left: 50%;  
   transform: translateX(-50%);  
   z-index: 1050;  
   width: 90%;  
   pointer-events: none;  
}  

.alert {  
   pointer-events: auto;  
}

@media (max-width: 768px) {
    .container-fluid {
        padding: 0;
    }
    .register-form {
        width: 100%;
        max-width: 500px;
        padding: 20px;
    }
}