/* Bibliography Section Styles */
.bibliography-section {
    padding: 0 0 60px 0;
    font-family: Arial, sans-serif;
}

.breadcrumb {
    padding: 20px 0;
    color: #666;
    font-size: 14px;
}

.breadcrumb span:first-child {
    color: #187635
}

.bibliography-content {
    display: flex;
    margin: 30px 0 50px;
    align-items: flex-start;
}

.bibliography-icon {
    margin-right: 20px;
    flex-shrink: 0;
}

.bibliography-icon img {
    width: 60px;
    height: auto;
}

.bibliography-title h3 {
    font-size: 1.8rem;
    color: #333;
    margin-top: 0;
    margin-bottom: 15px;
}

.bibliography-title p {
    color: #666;
    line-height: 1.5;
    margin: 0;
}

.bibliography-list {
    margin-top: 30px;
    border-top: 1px solid #e0e0e0;
}

.bibliography-item {
    border-bottom: 1px solid #e0e0e0;
}

.item-header {
    display: flex;
    padding: 20px 0;
    cursor: pointer;
    align-items: center;
    transition: background-color 0.2s;
}

.item-header:hover {
    background-color: #f0f8f0;
}

.item-number {
    font-weight: bold;
    color: #187635;
    margin-right: 20px;
    flex-shrink: 0;
    width: 30px;
}

.item-title {
    flex-grow: 1;
    font-weight: 500;
}

.toggle-icon {
    margin-left: 20px;
    color: #187635;
    transition: transform 0.3s;
}

.item-content {
    padding: 0 0 20px 50px;
    line-height: 1.6;
    color: #444;
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.5s ease, padding 0.3s ease; /* Animation properties */
    opacity: 1;
}

.item-content.hidden {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    opacity: 0;
    overflow: hidden;
}

.item-citation {
    font-weight: 500;
    margin-bottom: 10px;
}

.item-authors {
    margin-bottom: 10px;
}

.item-publication {
    font-style: italic;
    margin-bottom: 5px;
}

.item-doi {
    color: #666;
    margin-bottom: 15px;
}
.item-pdf {
 margin-bottom: 9px;
}

.item-pdf a {
    display: inline-block;
    background-color: #187635;
    color: white;
    padding: 8px 15px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.2s;
}

.item-pdf a:hover {
    background-color: #2a8c48
}

.scroll-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #187635;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    transition: background-color 0.2s;
}

.scroll-top:hover {
    background-color: #2a8c48;
}

.banner-overlay {
    background-color: rgba(24, 118, 54, 0.7);
}