:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --color-text: #1a1a1a;
    --color-muted: #666666;
    --color-quiet: #9b9b9b;
    --color-rule: #e8e8e8;
    --color-bg: #ffffff;
    --color-flash: rgba(255, 220, 70, 0.45);
    --max-width: 1160px;
    --rhythm: 14px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

html:has(body.home-page),
body.home-page {
    height: 100vh;
    overflow: hidden;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

main {
    margin: 0 auto;
    max-width: var(--max-width);
    padding: 72px 32px 56px;
}

main.two-panel {
    display: grid;
    gap: 72px;
    grid-template-columns: minmax(0, 460px) minmax(0, 1fr);
    height: 100vh;
    padding: 0;
}

.left-panel {
    height: 100%;
    overflow: hidden;
    padding: 56px 0 40px 32px;
}

.right-panel {
    height: 100%;
    overflow-y: auto;
    padding: 56px 32px 40px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.right-panel::-webkit-scrollbar {
    display: none;
}

.right-panel > :first-child {
    margin-top: 0;
}

a {
    color: var(--color-text);
    text-decoration: underline;
    text-decoration-color: var(--color-rule);
    text-decoration-thickness: 0.5px;
    text-underline-offset: 3px;
    transition: text-decoration-color 0.15s ease, color 0.15s ease;
}

a:hover {
    text-decoration-color: var(--color-text);
}

.profile-photo {
    border-radius: 4px;
    height: 120px;
    margin: 0 0 14px;
    object-fit: cover;
    width: 120px;
}

h1 {
    font-family: var(--font-sans);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.05;
    margin-bottom: 16px;
}

.intro p {
    margin-bottom: var(--rhythm);
}

.intro p:last-child {
    margin-bottom: 0;
}

.intro .inline-org-link {
    display: inline;
    text-decoration: none;
    vertical-align: baseline;
}

.intro .inline-org-link span:last-child {
    text-decoration: underline;
    text-decoration-color: var(--color-rule);
    text-decoration-thickness: 0.5px;
    text-underline-offset: 3px;
}

.intro .inline-org-link:hover span:last-child {
    text-decoration-color: var(--color-text);
}

.inline-org-logo {
    display: inline-block;
    height: 0.95em;
    margin-right: 5px;
    object-fit: contain;
    vertical-align: -0.12em;
    width: auto;
}

.berkeley-logo-inline {
    height: 0.92em;
    margin-right: 4px;
    vertical-align: -0.1em;
}

.method-keyword {
    color: var(--color-text);
    cursor: pointer;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--color-quiet);
    text-decoration-style: dotted;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
    transition: text-decoration-color 0.2s ease, text-decoration-style 0.2s ease;
}

.method-keyword:hover {
    text-decoration-color: var(--color-text);
}

.method-keyword.is-active {
    text-decoration-color: var(--color-text);
    text-decoration-style: solid;
    text-decoration-thickness: 1.5px;
}

.meta-line {
    align-items: center;
    color: var(--color-muted);
    display: flex;
    flex-wrap: wrap;
    font-size: 0.88rem;
    gap: 4px 0;
    line-height: 1.5;
    margin-top: 10px;
}

.meta-line:first-of-type {
    margin-top: 18px;
}

.meta-link {
    align-items: center;
    color: var(--color-text);
    display: inline-flex;
    gap: 6px;
    text-decoration: none;
    transition: color 0.15s ease;
}

.meta-link:hover .meta-text {
    text-decoration: underline;
    text-decoration-color: var(--color-text);
    text-decoration-thickness: 0.5px;
    text-underline-offset: 3px;
}

.meta-link svg {
    fill: currentColor;
    flex-shrink: 0;
    height: 14px;
    width: 14px;
}

.meta-label {
    color: var(--color-quiet);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    margin-right: 12px;
    text-transform: uppercase;
}

.meta-sep {
    color: var(--color-rule);
    margin: 0 10px;
    user-select: none;
}

.microsoft-mark {
    display: inline-grid;
    flex-shrink: 0;
    gap: 1px;
    grid-template-columns: repeat(2, 6px);
}

.microsoft-mark span {
    height: 6px;
    width: 6px;
}

.microsoft-mark span:nth-child(1) { background: #f25022; }
.microsoft-mark span:nth-child(2) { background: #7fba00; }
.microsoft-mark span:nth-child(3) { background: #00a4ef; }
.microsoft-mark span:nth-child(4) { background: #ffb900; }

.oumi-logo {
    border-radius: 2px;
    flex-shrink: 0;
    height: 14px;
    width: 14px;
}

h2 {
    color: var(--color-quiet);
    font-family: var(--font-sans);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    margin: 36px 0 16px;
    text-transform: uppercase;
}

.news-list,
.publications-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.news-list {
    display: grid;
    font-size: 0.92rem;
    gap: 10px;
}

.news-list li {
    align-items: baseline;
    display: grid;
    gap: 16px;
    grid-template-columns: 72px minmax(0, 1fr);
    line-height: 1.5;
}

.news-list time {
    color: var(--color-quiet);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.news-list .hidden-news {
    display: none;
}

.publications-list {
    display: grid;
    gap: 36px;
}

.publication-item {
    border-bottom: 1px solid var(--color-rule);
    border-radius: 4px;
    display: grid;
    gap: 24px;
    grid-template-columns: 110px minmax(0, 1fr);
    padding-bottom: 36px;
    transition: opacity 0.2s ease;
}

.publication-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.publication-thumbnail {
    align-self: start;
    aspect-ratio: 1;
    background: #fff;
    cursor: zoom-in;
    height: auto;
    object-fit: contain;
    transition: opacity 0.18s ease;
    width: 100%;
}

.publication-thumbnail:hover {
    opacity: 0.85;
}

.publication-title {
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 1.04rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    line-height: 1.35;
    margin-bottom: 4px;
}

.publication-authors,
.publication-meta {
    color: var(--color-muted);
    font-size: 0.91rem;
    line-height: 1.5;
}

.publication-authors strong {
    color: var(--color-text);
    font-weight: 600;
}

.publication-meta {
    font-style: italic;
}

.publication-note {
    color: var(--color-quiet);
    display: inline;
    font-style: italic;
}

.publication-links {
    color: var(--color-muted);
    font-size: 0.86rem;
    margin-top: 8px;
}

.publication-links a {
    align-items: center;
    color: var(--color-text);
    display: inline-flex;
    gap: 5px;
    margin-right: 14px;
    text-decoration: underline;
    text-decoration-color: var(--color-rule);
    text-decoration-thickness: 0.5px;
    text-underline-offset: 3px;
}

.publication-links a:hover {
    text-decoration-color: var(--color-text);
}

.publication-links svg {
    fill: currentColor;
    height: 12px;
    width: 12px;
}

.publications-list[data-highlight] .publication-item:not(.is-related) {
    opacity: 0.28;
}

@keyframes flash-pub {
    0% {
        background-color: var(--color-flash);
        box-shadow: 0 0 0 6px var(--color-flash);
    }
    100% {
        background-color: transparent;
        box-shadow: 0 0 0 6px transparent;
    }
}

.publication-item.is-flashing {
    animation: flash-pub 1.4s ease-out;
}

.section-action {
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    display: inline-block;
    font-family: inherit;
    font-size: 0.9rem;
    margin-top: 26px;
    padding: 0;
    text-decoration: underline;
    text-decoration-color: var(--color-rule);
    text-decoration-thickness: 0.5px;
    text-underline-offset: 3px;
}

.section-action:hover {
    text-decoration-color: var(--color-text);
}

.back-link {
    color: var(--color-muted);
    display: inline-block;
    font-size: 0.9rem;
    margin-bottom: 32px;
    text-decoration: none;
}

.back-link:hover {
    color: var(--color-text);
}

.lightbox {
    align-items: center;
    background: rgba(0, 0, 0, 0.92);
    cursor: zoom-out;
    display: none;
    inset: 0;
    justify-content: center;
    padding: 24px;
    position: fixed;
    z-index: 1000;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-height: 92vh;
    max-width: 92vw;
    object-fit: contain;
}

.loading,
.empty-state {
    color: var(--color-quiet);
}

@media (max-width: 900px) {
    html:has(body.home-page),
    body.home-page {
        height: auto;
        overflow: visible;
    }

    main.two-panel {
        gap: 48px;
        grid-template-columns: 1fr;
        height: auto;
        padding: 52px 20px 80px;
    }

    .left-panel,
    .right-panel {
        height: auto;
        overflow: visible;
        padding: 0;
    }

    h1 {
        font-size: 2.1rem;
    }

    h2 {
        font-size: 1.08rem;
        margin-top: 48px;
    }

    .profile-photo {
        height: 120px;
        width: 120px;
    }

    .news-list li {
        gap: 2px;
        grid-template-columns: 1fr;
    }

    .publication-item {
        gap: 16px;
        grid-template-columns: 1fr;
    }

    .publication-thumbnail {
        max-width: 200px;
    }
}