/* People Section Specific Styles */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 16px;
    color: var(--text-primary);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--accent);
    border-radius: 2px;
}

/* Faculty Cards */
.faculty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 80px;
}

.person-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.person-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.1);
}

.person-img-wrapper {
    width: 120px;
    height: 120px;
    margin-bottom: 24px;
    position: relative;
}

.person-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    background-color: var(--bg-color);
    border: 2px solid var(--accent);
    padding: 4px; /* Space between border and image */
}

/* Placeholder for images */
.person-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
    border-radius: 50%;
    border: 2px solid var(--accent);
    color: var(--text-secondary);
}

.person-placeholder span {
    font-size: 48px;
}

.person-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.person-role {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.person-links {
    display: flex;
    gap: 16px;
    margin-top: auto;
    align-items: center;
}

.icon-link {
    color: var(--text-secondary);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.icon-link:hover {
    /* color: var(--accent); */
    transform: scale(1.1);
}

.icon-link .material-symbols-rounded {
    font-size: 24px;
}

.orcid-logo {
    width: 24px;
    height: 24px;
    opacity: 0.8;
}

@media (prefers-color-scheme: dark) {
    .orcid-logo {
        filter: invert(1);
    }
}


/* Students Section */
.students-container {
    background-color: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: 60px;
}

.student-item {
    padding: 20px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.student-item:last-child {
    border-bottom: none;
}

.student-item:hover {
    background-color: var(--bg-color);
}

.student-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.student-icon {
    color: var(--accent);
    background-color: var(--bg-color);
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.student-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.student-type {
    font-size: 0.85rem;
    padding: 6px 12px;
    border-radius: 20px;
    background-color: var(--bg-color);
    color: var(--text-secondary);
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Former Students Expandable */
.former-students {
    margin-top: 40px;
}

details.former-group {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
}

details.former-group summary {
    padding: 16px 24px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    list-style: none; /* Hide default triangle */
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: background-color 0.2s ease;
}

details.former-group summary::-webkit-details-marker {
    display: none;
}

details.former-group summary:hover {
    background-color: var(--bg-color);
}

details.former-group summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-secondary);
}

details.former-group[open] summary::after {
    content: '-';
}

.former-list {
    padding: 0;
    border-top: 1px solid var(--border-color);
    background-color: var(--card-bg); /* Changed to card-bg for white visual on white card */
}

.former-item {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.former-item:last-child {
    border-bottom: none;
}

.former-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 8px;
}

.former-details {
     display: flex;
     align-items: center;
     gap: 8px;
     color: var(--text-primary);
     font-size: 1.05rem;
}

.former-year {
    color: var(--text-secondary);
    font-weight: 400;
}

.former-meta {
    color: var(--text-secondary);
    font-size: 0.95rem;
    background-color: var(--bg-color);
    padding: 4px 12px;
    border-radius: 12px;
}

/* Thesis Card Styling */
.thesis-card {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center; /* Center vertically so button aligns with text block */
    gap: 24px;
    transition: border-color 0.2s ease;
}

.thesis-card:hover {
    border-color: var(--accent);
}

.thesis-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.thesis-title {
    font-style: italic;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

.thesis-sup {
    font-size: 0.85rem;
}

.btn-download-thesis {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-download-thesis:hover {
    border-color: var(--accent);
    color: var(--accent);
    background-color: var(--bg-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}


/* Visitors Section */
.visitors-section.hidden {
    display: none;
}

.visitor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.visitor-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.visitor-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.visitor-inst {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.4;
}

/* Individual Profile Page */
.profile-detail {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    margin-bottom: 60px;
    align-items: flex-start;
}

.profile-sidebar {
    flex: 0 0 250px;
    text-align: center;
}

.profile-main {
    flex: 1;
    font-size: 1.1rem;
    line-height: 1.6;
}

.profile-main h2 {
    margin-bottom: 20px;
    font-size: 2rem;
    color: var(--text-primary);
}

.profile-image-large {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 20px;
    border: 3px solid var(--accent);
    padding: 4px;
    background-color: var(--bg-color);
}

.profile-sidebar .person-role {
    display: block;
    margin-bottom: 16px;
}

.profile-contact {
    text-align: left;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.profile-contact p {
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .profile-detail {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .profile-contact {
        text-align: center;
    }
}

.person-card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.person-card-link:hover .person-name {
    color: var(--accent);
}