.custom-input {
    border-radius: 20px;
    border: 2px solid #007bff;
    padding: 10px;
    transition: border-color 0.3s ease;
}

.custom-input:focus {
    border-color: #0056b3;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

.bg-light {
    background: linear-gradient(135deg, #f0f9ff, #e0eafc);
}

.btn-primary {
    background: #007bff;
    border: none;
}

.btn-primary:hover {
    background: #0056b3;
}

.alert-danger {
    border-left: 5px solid #dc3545;
    background-color: #f8d7da;
}

.main-col {
    margin-bottom: 20px;
}