#leftPanel {
    text-align: center; 
    padding: 20px; 
    background-color: #f9f9f9; 
    border-radius: 10px; 
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); 
}

.center-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px; 
}

.custom-button {
    padding: 10px 20px; 
    border-radius: 5px; 
    font-size: 14px; 
    font-weight: bold; 
    border: none; 
    cursor: pointer; 
    transition: background-color 0.3s ease, transform 0.2s ease; 
    width: 100%; 
    max-width: 200px; 
}

.custom-button:hover {
    transform: translateY(-2px); 
}

.custom-button.primary {
    background-color: #007bff; 
    color: white; 
}

.custom-button.primary:hover {
    background-color: #0056b3; 
}

.custom-button.success {
    background-color: #28a745; 
    color: white; 
}

.custom-button.success:hover {
    background-color: #218838; 
}

.custom-button.info {
    background-color: #17a2b8; 
    color: white; 
}

.custom-button.info:hover {
    background-color: #138496; 
}

.custom-button.danger {
    background-color: #dc3545; 
    color: white; 
}

.custom-button.danger:hover {
    background-color: #c82333; 
}

.button-row {
    display: flex;
    gap: 10px; 
    justify-content: center; 
}

#welcomeLabel {
    margin-top: 10px; 
    font-size: 16px; 
    color: #333; 
}