body {
    background-color: #f8f9fa;
}

.card {
    border-radius: 10px;
}

#graphCanvas {
    background-color: #ffffff;
}

.card-footer {
    display: flex;
    justify-content: space-between;
}

/* General Dark Mode Styling */
body.dark-mode {
    background-color: #121212;
    color: #ffffff;
}

body.dark-mode .navbar {
    background-color: #1f1f1f;
}

body.dark-mode .card {
    background-color: #1f1f1f;
    color: #ffffff;
    border-color: #333333;
}

body.dark-mode .btn {
    border-color: #555555;
}

body.dark-mode .btn-primary {
    background-color: #0066cc;
    border-color: #005cbf;
}

body.dark-mode .btn-danger {
    background-color: #cc0000;
    border-color: #b30000;
}

body.dark-mode .btn-info {
    background-color: #0066cc;
    border-color: #005cbf;
}

body.dark-mode .form-control {
    background-color: #2a2a2a;
    color: #ffffff;
    border: 1px solid #555555;
}

body.dark-mode #graphCanvas {
    background-color: #2a2a2a;
}

/* Dark mode modal styles */
body.dark-mode .modal-content {
    background-color: #1f1f1f;
    color: #ffffff;
}