/* ============================================================
   Design tokens — the only place colors/fonts should be changed.
   Editing content never requires touching this file.
   ============================================================ */
:root {
  --color-accent: #0f766e;
  --color-accent-hover: #115e59;
  --color-ink: #333332;      /* headings, primary text */
  --color-text: #404040;     /* body paragraphs, list rows */
  --color-muted: #525252;    /* secondary text (e.g. authors) */
  --color-subtle: #737373;   /* tertiary text (e.g. role, venue) */
  --color-faint: #a3a3a3;    /* dates, section labels */
  --color-border: #d4d4d4;
  --color-border-light: #e5e5e5;
  --color-divide: #f0f0f0;
  --color-bg: #fbfbfd;
  --color-selection: #e8e8ed;
  --color-visited: #676767;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--color-selection);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  text-underline-offset: 2px;
}
a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}
/* Scoped to <main> so it doesn't fight the nav's link color or sidebar links. */
main a:visited {
  color: var(--color-visited);
}

code {
  background: var(--color-divide);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.9em;
}

.wrap {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 640px) {
  .wrap {
    padding: 0 24px;
  }
}

/* ---------- Header / nav ---------- */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--color-border-light);
  padding: 20px 0;
}
.brand {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}
.brand:hover {
  color: var(--color-ink);
  text-decoration: none;
}
.menu-toggle {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 14px;
  color: var(--color-muted);
  background: transparent;
  cursor: pointer;
  font-family: inherit;
}
.primary-nav {
  width: 100%;
  display: none;
}
.primary-nav.open {
  display: block;
}
.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.primary-nav a {
  color: var(--color-subtle);
  font-size: 14px;
}
.primary-nav a:hover {
  color: var(--color-accent);
}
@media (min-width: 640px) {
  .menu-toggle {
    display: none;
  }
  .primary-nav {
    display: block;
    width: auto;
  }
  .primary-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 24px;
    padding-top: 0;
    flex-wrap: wrap;
  }
}

/* ---------- Layout: sidebar + main ---------- */
.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 40px 0;
}
@media (min-width: 640px) {
  .layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 48px;
  }
  .sidebar {
    align-self: start;
    position: sticky;
    top: 32px;
  }
}
@media (min-width: 1024px) {
  .layout {
    gap: 64px;
  }
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.avatar {
  border-radius: 8px;
  border: 1px solid var(--color-border-light);
  object-fit: cover;
  display: block;
}
.identity .name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: 0;
}
.identity .meta {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-subtle);
}
.social-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 64px;
}

/* ---------- Section typography ---------- */
section h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: 0;
}
.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-faint);
  margin: 0;
}
.sub-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.bio {
  max-width: 65ch;
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
}
.bio p + p {
  margin-top: 1em;
}

/* ---------- Date-prefixed row lists (Updates, Teaching, Experiences, Awards, Talks, Press) ---------- */
.date-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.date-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
}
.date-list .date {
  flex-shrink: 0;
  color: var(--color-faint);
}
@media (min-width: 640px) {
  .date-list li {
    flex-direction: row;
    gap: 16px;
  }
  .date-list .date {
    width: 96px;
  }
  .date-list.wide .date {
    width: 176px;
  }
}
.date-list .date.tabular {
  font-variant-numeric: tabular-nums;
}

/* ---------- Group ---------- */
.group-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.group-name {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
}
.group-role {
  margin: 0;
  font-size: 14px;
  color: var(--color-subtle);
}
.group-list a {
  font-size: 14px;
}

/* ---------- Recognition sub-nav / sub-sections ---------- */
.subnav {
  display: flex;
  gap: 16px;
  font-size: 14px;
  margin-top: 12px;
}
.sub-section {
  margin-top: 32px;
}
.sub-section:first-of-type {
  margin-top: 24px;
}

/* ---------- Publications ---------- */
.pub-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}
@media (min-width: 640px) {
  .pub-controls {
    flex-direction: row;
    align-items: center;
  }
}
.pub-controls input[type="search"] {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 14px;
  font-family: inherit;
}
@media (min-width: 640px) {
  .pub-controls input[type="search"] {
    max-width: 320px;
  }
}
.pub-controls select {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 14px;
  color: var(--color-text);
  font-family: inherit;
  background: #fff;
}
.pub-controls input:focus,
.pub-controls select:focus {
  outline: none;
  border-color: var(--color-ink);
}

.pub-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}
.pub-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-divide);
}
.pub-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 8px;
}
.pub-title-row h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
}
.pub-year {
  font-size: 14px;
  color: var(--color-faint);
}
.pub-authors {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--color-muted);
}
.pub-venue {
  margin: 0;
  font-size: 14px;
  font-style: italic;
  color: var(--color-subtle);
}
.pub-links {
  margin-top: 6px;
  display: flex;
  gap: 12px;
  font-size: 14px;
}
.pub-empty {
  padding: 16px 0;
  font-size: 14px;
  color: var(--color-subtle);
}
.view-all {
  margin-top: 16px;
  font-size: 14px;
}

/* ---------- CV ---------- */
.cv-button {
  display: inline-block;
  margin-top: 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
}
.cv-button:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
  text-decoration: none;
}
.cv-placeholder {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-subtle);
}

/* ---------- Footer ---------- */
.site-footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--color-border-light);
  padding: 32px 0;
  font-size: 14px;
  color: var(--color-subtle);
}
@media (min-width: 640px) {
  .site-footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.site-footer a {
  color: var(--color-subtle);
}
.site-footer a:hover {
  color: var(--color-accent);
}