/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #333;
    line-height: 1.7;
    background: #fff;
    font-size: 15px;
}

a {
    color: #1772d0;
    text-decoration: none;
}

a:hover {
    color: #f09228;
}

.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Profile Section */
.profile-section {
    display: flex;
    align-items: flex-start;
    gap: 36px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid #eee;
}

.profile-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #eee;
}

.profile-info {
    flex: 1;
    padding-top: 16px;
}

.profile-info h1 {
    font-size: 28px;
    font-weight: 700;
    color: #222;
    margin-bottom: 4px;
}

.profile-info .title {
    font-size: 16px;
    color: #555;
    margin-bottom: 2px;
}

.profile-info .affiliation {
    font-size: 15px;
    color: #777;
    margin-bottom: 12px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    font-size: 20px;
    color: #555;
    transition: color 0.2s;
}

.social-links a:hover {
    color: #1772d0;
}

/* Sections */
.section {
    margin-bottom: 36px;
}

.section h2 {
    font-size: 20px;
    font-weight: 700;
    color: #222;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #1772d0;
    display: inline-block;
}

.section p {
    margin-bottom: 12px;
}

.section-note {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px !important;
}

/* Tabs */
.tab-container {
    display: flex;
    gap: 0;
    margin-bottom: 16px;
    border-bottom: 2px solid #eee;
}

.tab {
    padding: 10px 24px;
    font-size: 16px;
    font-weight: 600;
    color: #888;
    background: none;
    border: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
}

.tab:hover {
    color: #555;
}

.tab.active {
    color: #1772d0;
    border-bottom-color: #1772d0;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.patents-summary {
    font-size: 14px;
    color: #666;
    margin-bottom: 16px;
}

.patent-placeholder {
    font-size: 14px;
    color: #999;
    font-style: italic;
}

.patent-item {
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.patent-item .pub-title {
    font-weight: 600;
    color: #222;
    font-size: 14px;
    margin-bottom: 4px;
}

.patent-item .pub-authors {
    font-size: 13px;
    color: #555;
    margin-bottom: 4px;
}

.patent-item .pub-links {
    font-size: 13px;
}

.patent-item .pub-links a {
    margin-right: 10px;
}

/* Publications */
.pub-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.pub-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.pub-thumb {
    flex-shrink: 0;
    width: 120px;
    height: 80px;
}

.pub-thumb img {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.pub-thumb-placeholder {
    width: 120px;
    height: 80px;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.pub-details {
    flex: 1;
}

.pub-title {
    font-weight: 600;
    color: #222;
    margin-bottom: 4px !important;
    font-size: 15px;
}

.pub-authors {
    font-size: 13px;
    color: #555;
    margin-bottom: 4px !important;
}

.pub-venue {
    font-size: 13px;
    color: #666;
    margin-bottom: 4px !important;
}

.pub-links {
    font-size: 13px;
}

.pub-links a {
    margin-right: 12px;
}

.pub-badge {
    display: inline-block;
    font-size: 11px;
    padding: 1px 8px;
    border-radius: 3px;
    background: #e8e8e8;
    color: #555;
    font-weight: 500;
}

.pub-badge.spotlight {
    background: #fff3cd;
    color: #856404;
}

/* Experience */
.exp-item {
    margin-bottom: 20px;
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.exp-role {
    font-weight: 600;
    color: #222;
    font-size: 15px;
}

.exp-date {
    font-size: 13px;
    color: #888;
    white-space: nowrap;
}

.exp-org {
    font-size: 14px;
    color: #666;
    margin-bottom: 4px;
}

.exp-desc {
    font-size: 14px;
    color: #555;
}

/* Footer */
.footer {
    margin-top: 48px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
    font-size: 13px;
    color: #aaa;
}

/* Responsive */
@media (max-width: 640px) {
    .profile-section {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .exp-header {
        flex-direction: column;
    }

    .pub-item {
        flex-direction: column;
    }

    .pub-thumb {
        width: 100%;
        height: auto;
    }

    .pub-thumb-placeholder,
    .pub-thumb img {
        width: 100%;
        height: auto;
        aspect-ratio: 3/2;
    }
}