:root {
    --main-color: #dc3545; /* สีแดงสำหรับปุ่ม PDF */
    --border-color: #dee2e6;
    --text-color: #333;
}

/* --- Document Item Style --- */

#popup-close3 .modal-content {padding-bottom: 50px;}
#popup-close4 .modal-content {padding-top: 50px;padding-bottom: 50px;background: #d9d9d930;}

.document-item {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 10px;
    padding: 10px;
    background-color: #fff;
    transition: background-color 0.2s;
    cursor: pointer;
}

.document-item:hover {
    background-color: #f1f1f1;
}

.icon-box {
    font-size: 24px;
    color: var(--text-color);
    margin-right: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.icon-box .fa-file-arrow-down {
    font-size: 1.5em;
}

.doc-details {
    flex-grow: 1;
    display: flex;
    flex-direction: row;
        gap: 15px;
}

.doc-details::before {
    content: "";
    border-left: solid 2px #cdcdcd;
}

.doc-details p:first-child {
    font-weight: 500;
    margin-bottom: 3px;
    font-size: 1rem;
}

.doc-details p:last-child {
    color: #6c757d;
    font-size: 0.85rem;
}

.pdf-tag {
    background-color: var(--main-color);
    color: white;
    padding: 5px 10px;
    border-radius: 3px;
    font-weight: bold;
    font-size: 0.75rem;
    text-decoration: none;
    margin-left: 15px;
}

/* --- Pagination Style --- */

#pagination-container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-top: 20px;
}

.pagination-button, .page-number {
    padding: 5px 10px;
    margin: 0 3px;
    background-color: #f1f1f1;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-color);
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 30px;
}

.pagination-button:hover:not(.disabled), .page-number:hover:not(.active) {
    background-color: #e9ecef;
}

.page-number.active {
    background-color: var(--text-color);
    color: white;
    font-weight: bold;
    border-color: var(--text-color);
}

.pagination-button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-button i {
    font-size: 14px;
}