/* Spinner Overlay - Fullscreen Background */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6); /* Dark transparent background */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050; /* Ensure it stays on top */
}

/* Spinner Container */
.spinner-container {
    text-align: center;
    background: rgba(255, 255, 255, 0.9); /* Light background */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.2);
}

/* Customize the Spinner */
.spinner-border {
    width: 4rem;
    height: 4rem;
    border-width: 5px;
    color: #007bff; /* Bootstrap Primary Blue */
}

/* Spinner Text */
.spinner-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: #007bff; /* Professional Blue */
    margin-top: 15px;
}
/* Sticky header for table inside scrollable div */
.table-responsive thead th {
    position: sticky;
    top: 0;
    background-color: #fff;
    z-index: 1;
    box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.1);
}