.card {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border: none;
}

.card-header {
    border-bottom: none;
}

.form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

#dialerInterface {
    transition: all 0.3s ease;
}

.btn {
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

#callStatus {
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.alert {
    border-radius: 4px;
    padding: 0.75rem 1rem;
}