:root {
    color-scheme: light;
    --bg: #ffffff;
    --surface: #f7f7f8;
    --text: #202124;
    --muted: #5f6368;
    --faint: #8a8f98;
    --line: #e5e7eb;
    --accent: #202124;
    --accent-soft: #f0f1f2;
    --header-bg: rgba(255, 255, 255, 0.92);
    --link-hover-bg: #e3e4e6;
    --article-text: #34383f;
    --max-width: 900px;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg: #101112;
    --surface: #181a1c;
    --text: #f2f2f2;
    --muted: #b5b5b5;
    --faint: #8b8b8b;
    --line: #303236;
    --accent: #f4f4f4;
    --accent-soft: #242628;
    --header-bg: rgba(16, 17, 18, 0.92);
    --link-hover-bg: #303236;
    --article-text: #dddddd;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.68;
    transition: background-color 0.2s ease, color 0.2s ease;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    display: block;
    max-width: 100%;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--header-bg);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(var(--max-width), calc(100% - 40px));
    min-height: 58px;
    margin: 0 auto;
}

.brand {
    color: var(--text);
    font-size: 0.98rem;
    font-weight: 600;
}

.brand:hover {
    color: var(--accent);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 1.35rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-links a {
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
    text-decoration: none;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 32px;
    margin-left: 1rem;
    padding: 0 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
}

.theme-toggle:hover {
    border-color: var(--muted);
}

.nav-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
}

.page {
    width: min(var(--max-width), calc(100% - 40px));
    margin: 0 auto;
    padding: 54px 0 24px;
}

.profile-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 48px;
    align-items: start;
    padding-bottom: 28px;
}

.profile-text h1,
.page-title h1,
.article-header h1 {
    margin: 0;
    color: var(--text);
    font-size: clamp(2.25rem, 6vw, 3.8rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: 0;
}

.role {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 1.08rem;
}

.email {
    margin: 5px 0 26px;
    color: var(--muted);
}

.profile-text p {
    max-width: 650px;
    margin: 0 0 18px;
}

.profile-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.profile-links a,
.paper-links a {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 3px 10px;
    border-radius: 4px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
}

.profile-links a:hover,
.paper-links a:hover {
    background: var(--link-hover-bg);
    text-decoration: none;
}

.profile-photo {
    margin: 6px 0 0;
}

.profile-photo img {
    width: 210px;
    height: 210px;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1px solid var(--line);
    object-fit: cover;
}

.content-section {
    padding: 34px 0 0;
}

.section-heading {
    border-bottom: 1px solid var(--line);
    margin-bottom: 22px;
}

.section-heading h2 {
    margin: 0 0 8px;
    color: var(--text);
    font-size: 1.45rem;
    font-weight: 700;
    text-transform: lowercase;
}

.publication-list {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: publication;
}

.cv-list {
    display: grid;
    gap: 18px;
}

.cv-item {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.cv-item h3 {
    margin: 0 0 3px;
    color: var(--text);
    font-size: 1.02rem;
    line-height: 1.4;
}

.cv-item p {
    margin: 0;
    color: var(--muted);
}

.cv-date {
    color: var(--faint);
    font-size: 0.9rem;
    font-weight: 500;
}

.publication-item {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 22px;
    padding: 8px 0 28px;
    counter-increment: publication;
}

.publication-item::before {
    content: counter(publication) ".";
    position: absolute;
    opacity: 0;
}

.publication-thumb {
    width: 150px;
    height: 96px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface);
}

.placeholder-thumb {
    display: grid;
    place-items: center;
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0;
}

.publication-body h3,
.activity-item h3,
.post-preview h2 {
    margin: 0 0 4px;
    color: var(--text);
    font-size: 1.03rem;
    line-height: 1.38;
}

.publication-body h3 {
    font-weight: 700;
}

.authors,
.venue {
    margin: 0;
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.5;
}

.paper-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.activity-list {
    display: grid;
    gap: 18px;
}

.activity-item {
    display: grid;
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.activity-date,
.news-list time,
.post-meta {
    color: var(--faint);
    font-size: 0.9rem;
    font-weight: 500;
}

.activity-item p {
    margin: 3px 0 0;
    color: var(--muted);
}

.news-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.news-list li {
    display: grid;
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 16px;
}

.award-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.award-list li {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
}

.award-list span {
    color: var(--faint);
    font-size: 0.9rem;
    font-weight: 500;
}

.award-list p {
    margin: 0;
}

.award-list h3 {
    margin: 0 0 3px;
    color: var(--text);
    font-size: 1.02rem;
    line-height: 1.4;
}

.award-issuer {
    color: var(--muted);
    font-size: 0.94rem;
}

.empty-note {
    margin: 0;
    color: var(--faint);
    font-size: 0.95rem;
}

.publication-group {
    padding-bottom: 24px;
}

.publication-group + .publication-group {
    padding-top: 6px;
}

.publication-group h3 {
    margin: 0 0 14px;
    color: var(--text);
    font-size: 1.08rem;
    font-weight: 700;
}

.numbered-publications {
    display: grid;
    gap: 16px;
    margin: 0;
    padding-left: 1.4rem;
}

.numbered-publications li {
    padding-left: 2px;
}

.numbered-publications p {
    margin: 3px 0 0;
}

.pub-tag {
    display: inline-flex;
    margin-bottom: 2px;
    color: var(--faint);
    font-size: 0.88rem;
    font-weight: 700;
}

.site-footer {
    width: min(var(--max-width), calc(100% - 40px));
    margin: 48px auto 0;
    padding: 22px 0 36px;
    border-top: 1px solid var(--line);
    color: var(--faint);
    font-size: 0.88rem;
    text-align: center;
}

.page-title {
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
}

.page-title p {
    margin: 12px 0 0;
    color: var(--muted);
}

.post-list {
    display: grid;
    gap: 0;
}

.post-preview {
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.post-preview h2 {
    font-size: 1.28rem;
}

.post-preview h2 a {
    color: var(--text);
}

.post-preview h2 a:hover {
    color: var(--accent);
}

.post-preview p {
    margin: 8px 0 0;
    color: var(--muted);
}

.post-preview .post-meta {
    margin: 0 0 6px;
}

.article {
    max-width: 760px;
}

.article-header {
    padding-bottom: 26px;
    border-bottom: 1px solid var(--line);
}

.article-header h1 {
    max-width: 720px;
    font-size: clamp(2rem, 5vw, 3.2rem);
}

.article-content {
    padding-top: 28px;
}

.article-content p,
.article-content li {
    color: var(--article-text);
}

.article-content h2 {
    margin: 34px 0 8px;
    font-size: 1.45rem;
    line-height: 1.3;
}

.article-content h3 {
    margin: 24px 0 6px;
    font-size: 1.14rem;
}

.article-content ul {
    padding-left: 1.4rem;
}

@media (max-width: 760px) {
    .nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        width: min(100% - 28px, var(--max-width));
        padding: 12px 0;
    }

    .nav-actions {
        align-items: flex-start;
        justify-content: space-between;
        width: 100%;
    }

    .nav-links {
        gap: 0.6rem 0.9rem;
        justify-content: flex-start;
    }

    .theme-toggle {
        margin-left: 0.8rem;
    }

    .page {
        width: min(100% - 28px, var(--max-width));
        padding-top: 36px;
    }

    .profile-section {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .profile-photo {
        order: -1;
    }

    .profile-photo img {
        width: 160px;
        height: 160px;
    }

    .publication-item,
    .activity-item,
    .cv-item,
    .award-list li,
    .news-list li {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .publication-thumb {
        width: 100%;
        max-width: 260px;
        height: 120px;
    }
}