.bg-gradient-primary {
    background: linear-gradient(90deg, #007bff, #0056b3);
}
.card-header {
    border-bottom: none;
    border-radius: 5px 5px 0 0;
}
.bg-white {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.bg-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1) !important;
}

/* Form and Select2 */
.form-control,
.select2-container--bootstrap5 .select2-selection--single {
    border: 1px solid #ced4da !important;
    border-radius: 5px;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-control:focus,
.select2-container--bootstrap5 .select2-selection--single:focus {
    border-color: #007bff !important;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.3);
    outline: none;
}
.select2-container--bootstrap5 .select2-selection--single {
    height: 38px;
    display: flex;
    align-items: center;
    background-color: #fff;
    transition: background-color 0.3s ease;
}
.select2-container--bootstrap5 .select2-selection--single:hover {
    background-color: #f8f9fa;
}
.select2-container--bootstrap5 .select2-selection--single .select2-selection__rendered {
    line-height: 38px;
    color: #495057;
    padding-left: 10px;
}
.select2-container--bootstrap5 .select2-selection--single .select2-selection__arrow {
    height: 38px;
    right: 10px;
}
.select2-container {
    width: 100% !important;
}
.select2-container--disabled .select2-selection--single {
    background-color: #e9ecef;
    cursor: not-allowed;
}

/* Labels and Buttons */
.form-label {
    font-weight: 600;
    color: #343a40;
}
.btn-primary {
    background: linear-gradient(90deg, #007bff, #0056b3);
    border: none;
    border-radius: 5px;
    padding: 8px 20px;
    transition: background 0.3s ease, transform 0.2s ease;
}
.btn-primary:hover {
    background: linear-gradient(90deg, #0056b3, #003087);
    transform: translateY(-1px);
}
.btn-primary:disabled {
    background: #6c757d;
    cursor: not-allowed;
}
.btn-outline-secondary {
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
}
.btn-outline-secondary:hover {
    background-color: #f8f9fa;
    color: #343a40;
}
.btn-outline-secondary:disabled {
    color: #6c757d;
    cursor: not-allowed;
}

/* Loaders */
.loader {
    text-align: center;
    padding: 20px;
    color: #007bff;
    font-weight: 500;
}
.loader::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid #007bff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.default-user-loader,
.mappings-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Sticky Footer */
.sticky-footer {
    position: sticky;
    bottom: 0;
    z-index: 5;
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 5px 5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sticky-footer {
        position: relative;
        flex-direction: column;
        gap: 10px;
    }
    .btn-primary,
    .btn-outline-secondary {
        width: 100%;
    }
}