:root {
    --bg: #f5f2ea;
    --text: #1f1f1d;
    --muted: #5e5b55;
    --accent: #3b4a3f;
    --hairline: rgba(31, 31, 29, 0.12);
}

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

body {
    font-family: "Source Sans 3", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.85;
}

a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.content a {
    color: var(--accent);
    border-bottom: 1px solid rgba(59, 74, 63, 0.35);
    padding-bottom: 1px;
}

.content a:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.page {
    max-width: 980px;
    margin: 48px auto 80px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 48px;
}

.sidebar {
    position: sticky;
    top: 32px;
    align-self: start;
    display: grid;
    gap: 14px;
    justify-items: center;
    text-align: center;
}

.avatar-frame {
    width: 130px;
    height: 130px;
    border-radius: 18px;
    border: 2px solid #ffffff;
    display: grid;
    justify-self: center;
    margin-inline: auto;
    box-shadow: 0 8px 18px rgba(31, 31, 29, 0.12);
    overflow: hidden;
}

.avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 78% 50%;
    transform: scale(1.2) translateY(-20%);
    transform-origin: 78% 50%;
    display: block;
}

.sidebar h1 {
    font-family: "Libre Baskerville", serif;
    font-size: 1.6rem;
    letter-spacing: -0.01em;
}

.subtitle {
    color: var(--muted);
    font-size: 0.95rem;
}

.contact {
    font-size: 0.9rem;
}

.icon-row {
    display: flex;
    gap: 14px;
    font-size: 1.15rem;
    color: var(--muted);
    justify-content: center;
}

.icon-row a {
    width: 34px;
    height: 34px;
    border: 1px solid var(--hairline);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.icon-row a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.sidebar-meta {
    display: grid;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--hairline);
    width: 100%;
    justify-items: center;
}

.meta-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    display: block;
}

.meta-value {
    font-size: 0.95rem;
}

.content {
    display: grid;
    gap: 32px;
}

.intro {
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 18px;
    color: var(--muted);
}

.quick-links {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.95rem;
}

.tabs {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 10px;
    align-items: flex-end;
    min-height: 28px;
}

.about {
    padding-top: 8px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--hairline);
}

.about p {
    max-width: 64ch;
}

.tab {
    border: none;
    background: transparent;
    color: var(--muted);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 0 6px;
    line-height: 1;
    cursor: pointer;
    appearance: none;
    position: relative;
}

.tab.is-active {
    color: var(--text);
}

.tab::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: transparent;
}

.tab.is-active::after {
    background: var(--text);
}

.panel {
    display: none;
    padding-top: 12px;
    animation: fadeIn 0.3s ease;
}

.panel.is-active {
    display: block;
}

.panel h2 {
    font-family: "Libre Baskerville", serif;
    font-size: 1.05rem;
    margin-bottom: 10px;
}

.panel p {
    color: var(--muted);
    margin-bottom: 12px;
    line-height: 1.8;
    max-width: 64ch;
}

.research-summary {
    color: var(--muted);
    margin-bottom: 10px;
    line-height: 1.8;
    max-width: 64ch;
}

.panel-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 28px;
}

.quiet-list {
    list-style: none;
    display: grid;
    gap: 8px;
    color: var(--muted);
}

.quiet-list span {
    color: var(--text);
    font-weight: 600;
    margin-right: 8px;
}

.project-row {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
}

.action-links {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.action {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 8px;
    border: 1px solid var(--hairline);
    border-radius: 999px;
}

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

.pub {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--hairline);
}

.pub img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid rgba(31, 31, 29, 0.08);
}

.pub-meta {
    font-size: 0.8rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}

.authors,
.venue-detail {
    color: var(--muted);
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.9rem;
    margin-top: 8px;
}

.btn {
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    color: inherit;
    border-bottom: 1px solid transparent;
}

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

.btn.ghost {
    color: var(--muted);
}

.citation-box {
    display: none;
    margin-top: 10px;
    font-family: "Courier New", monospace;
    font-size: 0.8rem;
    color: var(--muted);
    white-space: pre-wrap;
    border-left: 2px solid var(--hairline);
    padding-left: 12px;
}

.citation-box.is-visible {
    display: block;
}

.split-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.muted {
    color: var(--muted);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 920px) {
    .page {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        grid-template-columns: 1fr;
        align-items: center;
        justify-items: center;
        text-align: center;
    }

    .avatar {
        justify-self: center;
        margin: 0 auto;
    }

    .icon-row {
        justify-content: center;
    }

    .sidebar-meta {
        justify-items: center;
    }
}

@media (max-width: 720px) {
    .panel-grid,
    .split-list,
    .pub {
        grid-template-columns: 1fr;
    }

    .project-row {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 520px) {
    .page {
        margin: 32px auto 60px;
    }

    .sidebar h1 {
        font-size: 1.4rem;
    }
}
.legend {
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 12px;
}