body {
    margin: 20px;
}

.dial-pad button {
    width: 60px;
    height: 60px;
    margin: 5px;
    font-size: 1.2rem;
}

.call-controls button {
    margin-right: 10px;
}

.call-log {
    max-height: 200px;
    overflow-y: auto;
    background: #f8f9fa;
    padding: 10px;
    border-radius: 5px;
    margin-top: 20px;
}

.call-log-item {
    padding: 5px 0;
    border-bottom: 1px solid #ddd;
}

.badge-status {
    margin-left: 10px;
    font-size: 0.8rem;
}

.incoming-call {
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    padding: 10px;
    margin-top: 20px;
    border-radius: 5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-inline {
        flex-direction: column;
    }
    
    .form-inline .form-group {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .form-inline input {
        width: 100%;
    }
    
    .call-controls button {
        margin-bottom: 5px;
    }
}