/* Full page loader overlay */
#page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff; /* or rgba for semi-transparent */
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Spinner animation */
#page-loader .spinner {
    border: 8px solid #f3f3f3;
    border-top: 8px solid #006A6C; /* blue */
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Container blur */
#detail-drawing-container.loading {
    filter: blur(3px); /* blur content */
    pointer-events: none; /* prevent clicks */
}

/* Loader overlay (covers container) */
#detail-drawing-container.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.5); /* optional semi-transparent overlay */
    z-index: 998;
}

/* Spinner wrapper outside blur */
.ajax-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 999;
}

/* Spinner */
.ajax-loader .spinner {
    border: 5px solid rgba(0,0,0,0.1);
    border-top-color: #006A6C;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.dd-download-selected {
    text-align: center;
    margin: 20px 0;
}

#download-selected {
    background-color: #ff7f61; /* coral/orange like screenshot */
    color: #fff;
    padding: 10px 25px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

#download-selected:hover {
    background-color: #ff633f; /* slightly darker on hover */
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

#download-selected:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255,127,97,0.4);
}