/* =========================================
   VOM Lab - Members Page Styles
   ========================================= */

/* =========================================
   0. Tab Navigation
   ========================================= */
.member-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    background-color: transparent;
    border: 2px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.tab-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.tab-btn.active {
    color: #fff;
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================================
   1. Principal Investigator Section
   ========================================= */
.pi-section {
    padding: 60px 0 100px;
}

.pi-card {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.pi-image {
    flex: 0 0 300px;
}

.pi-photo {
    width: 100%;
    height: 380px;
    object-fit: cover;
    border-radius: 8px;
    background-color: #eee;
}

.pi-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.pi-info { 
    flex: 1; 
    padding-top: 10px; 
}

.pi-role {
    font-size: 0.9rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
}

.pi-name { 
    font-size: 2.2rem; 
    font-weight: 700; 
    margin-bottom: 20px; 
}

.pi-bio { 
    color: var(--text-secondary); 
    margin-bottom: 30px; 
    font-weight: 300; 
    line-height: 1.8;
}

.contact-list li {
    list-style: none;
    margin-bottom: 10px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-icon { 
    width: 24px; 
    text-align: center; 
    color: var(--accent-color); 
    font-size: 1rem;
}

.contact-list a {
    color: var(--accent-color);
    text-decoration: underline;
}

.contact-list a:hover {
    color: var(--text-primary);
}

/* =========================================
   2. Current Members Section
   ========================================= */
.team-section {
    padding: 60px 0;
}

.team-section.no-bottom-padding {
    padding-bottom: 20px;
}

/* Alumni section with gray background */
.alumni-wrapper {
    background-color: var(--light-bg);
    padding: 40px 0 100px;
}

.alumni-wrapper .section-label {
    margin-bottom: 30px;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.member-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.member-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: transparent;
}

.member-photo {
    width: 100%;
    aspect-ratio: 1 / 1;
    background-color: #f0f0f0;
    object-fit: cover;
    background-size: cover;
    background-position: top center;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.member-info { 
    padding: 20px; 
}

.member-name { 
    font-size: 1.1rem; 
    font-weight: 600; 
    margin-bottom: 4px; 
}

.member-role { 
    font-size: 0.85rem; 
    color: var(--accent-color); 
    margin-bottom: 8px; 
}

.member-interest { 
    font-size: 0.8rem; 
    color: var(--text-secondary); 
    line-height: 1.4; 
}

/* =========================================
   3. Alumni Section
   ========================================= */
.alumni-section { 
    padding: 100px 0;
    background-color: var(--light-bg);
}

.alumni-section-inner {
    padding-top: 0;
    padding-bottom: 80px;
}

.alumni-section-inner:last-child {
    padding-bottom: 0;
}

.alumni-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: 60px;
    row-gap: 20px;
}

.alumni-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.alumni-name { 
    font-weight: 600; 
}

.alumni-year { 
    color: var(--text-secondary); 
    font-size: 0.9rem; 
}

.alumni-current { 
    color: var(--accent-color); 
    font-size: 0.9rem;
    text-align: right;
}

/* =========================================
   4. Professor Details (in Professor Tab)
   ========================================= */
.professor-details {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.detail-block {
    margin-bottom: 40px;
}

.detail-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 3px solid var(--accent-color);
}

.detail-list {
    list-style: none;
    padding: 0;
}

.detail-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    line-height: 1.6;
}

.detail-list li::before {
    content: "•";
    color: var(--accent-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

.detail-sub {
    margin-top: 6px;
    margin-left: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

/* Detail Block - 소개 문장 스타일 */
.detail-intro {
    margin-bottom: 20px;
    padding: 16px 20px;
    background-color: var(--light-bg);
    border-radius: 0 8px 8px 0;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-style: italic;
    line-height: 1.7;
}

/* =========================================
   5. Simple Alumni List (Bachelor)
   ========================================= */
.alumni-list.simple {
    display: block;
    columns: 2;
    column-gap: 40px;
}

.alumni-item-simple {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    break-inside: avoid;
}

/* =========================================
   6. Responsive
   ========================================= */
@media (max-width: 1024px) {
    .members-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .member-tabs {
        gap: 8px;
    }
    
    .tab-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .pi-card { 
        flex-direction: column; 
        gap: 30px; 
    }
    
    .pi-image { 
        width: 100%; 
        max-width: 300px; 
        margin: 0 auto;
        flex: none;
    }
    
    .pi-photo { 
        height: 300px; 
    }
    
    .pi-info { 
        text-align: center; 
    }
    
    .contact-list li { 
        justify-content: center; 
    }
    
    .members-grid { 
        grid-template-columns: repeat(2, 1fr); 
        gap: 20px; 
    }
    
    .alumni-list { 
        grid-template-columns: 1fr; 
    }
    
    .alumni-list.simple {
        columns: 1;
    }
    
    .alumni-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .alumni-current {
        text-align: left;
    }
    
    .team-section,
    .alumni-section {
        padding: 60px 0;
    }
    
    .professor-details {
        margin-top: 40px;
        padding-top: 30px;
    }
    
    .detail-title {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .tab-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .members-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .pi-name {
        font-size: 1.8rem;
    }
}