body {
    background: linear-gradient(to right, #e0f7fa, #ffffff);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.register-form {
    max-width: 500px;
    margin: 60px auto;
    background: white;
    padding: 35px 30px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.register-form h3 {
    font-weight: bold;
    color: #00796b;
}

.register-form .form-control:focus {
    border-color: #00796b;
    box-shadow: 0 0 0 0.2rem rgba(0, 121, 107, 0.25);
}

.register-form .btn-primary {
    background-color: #00796b;
    border: none;
    transition: background-color 0.3s ease;
}

.register-form .btn-primary:hover {
    background-color: #004d40;
}

.alert-info {
    background-color: #e0f2f1;
    color: #004d40;
    border: 1px solid #004d40;
}