/* ============================================================
   Component styles, page by page
   ============================================================ */

/* ---------- HOME / HERO ---------- */

.hero {
  padding: 4.5rem 0 3.5rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.8rem;
  align-items: start;
}
.hero-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--paper-dim);
  border: 1px solid var(--rule);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; }

.hero-name { margin-bottom: 0.15em; }
.hero-role {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 1.1em;
}
.hero-intro { font-size: 1.05rem; max-width: 560px; }

.hero-meta {
  margin-top: 1.4rem;
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--gray);
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 2rem;
}
.hero-meta span { white-space: nowrap; }
.hero-meta a { color: var(--gray); }
.hero-meta a:hover { color: var(--accent); border-color: var(--accent); }

.hero-links {
  margin-top: 1.6rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

@media (max-width: 620px) {
  .hero-grid { grid-template-columns: 1fr; text-align: left; }
  .hero-photo { width: 140px; height: 140px; }
}

/* quick-link cards to the five sections */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.quick-card {
  background: var(--paper);
  padding: 1.8rem 1.6rem;
  border-bottom: none;
  display: block;
  position: relative;
}
.quick-card:hover { background: var(--paper-dim); border-bottom: none; }
.quick-card .num {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.8em;
}
.quick-card h3 { margin-bottom: 0.35em; color: var(--ink); }
.quick-card p { font-size: 0.9rem; margin: 0; }

@media (max-width: 760px) {
  .quick-grid { grid-template-columns: 1fr; }
}

/* ---------- PAGE HEADER (used on all sub-pages) ---------- */

.page-header { padding: 3.2rem 0 2.2rem; }
.page-header h1 { margin-bottom: 0.4em; }
.page-header .lede { font-size: 1.05rem; max-width: 640px; }

/* ---------- RESEARCH ---------- */

.research-panel {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.4rem;
  padding: 2.6rem 0;
  border-top: 1px solid var(--rule);
}
.research-panel:first-of-type { border-top: none; }
.research-fig {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--paper-dim);
  border: 1px solid var(--rule);
  overflow: hidden;
}
.research-fig img { width: 100%; height: 100%; object-fit: cover; }
.research-body h2 { margin-bottom: 0.5em; }
.research-body .tag { margin-bottom: 0.9em; }

@media (max-width: 700px) {
  .research-panel { grid-template-columns: 1fr; }
  .research-fig { aspect-ratio: 16/9; }
}

/* ---------- PUBLICATIONS ---------- */

.pub-controls {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-bottom: 1.6rem;
  flex-wrap: wrap;
}
.pub-search {
  font-family: var(--sans);
  font-size: 0.9rem;
  padding: 0.6em 0.9em;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  flex: 1;
  min-width: 200px;
}
.pub-search:focus { outline: none; border-color: var(--accent); }
.pub-sort {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--gray);
}

.pub-list { list-style: none; margin: 0; padding: 0; }
.pub-item {
  padding: 1.3rem 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1.2rem;
}
.pub-item:first-child { border-top: none; }
.pub-year {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--gray);
  padding-top: 0.2em;
}
.pub-title {
  font-family: var(--serif);
  font-size: 1.02rem;
  color: var(--ink);
  margin: 0 0 0.3em;
}
.pub-authors { font-size: 0.88rem; color: var(--ink-soft); margin: 0 0 0.3em; }
.pub-authors .me { color: var(--ink); font-weight: 600; }
.pub-venue { font-size: 0.84rem; color: var(--gray); margin: 0 0 0.5em; font-style: italic; }
.pub-links { display: flex; gap: 1rem; font-family: var(--mono); font-size: 0.78rem; }

.pub-empty, .pub-loading {
  padding: 3rem 0;
  text-align: center;
  color: var(--gray);
  font-family: var(--mono);
  font-size: 0.85rem;
  border-top: 1px solid var(--rule);
}

.pub-note {
  font-size: 0.85rem;
  color: var(--gray);
  background: var(--paper-dim);
  border: 1px solid var(--rule);
  padding: 0.9em 1.1em;
  border-radius: var(--radius);
  margin-bottom: 2rem;
}
.pub-note code {
  font-family: var(--mono);
  background: var(--paper);
  padding: 0.1em 0.4em;
  border-radius: 2px;
  border: 1px solid var(--rule);
}

@media (max-width: 560px) {
  .pub-item { grid-template-columns: 1fr; gap: 0.3rem; }
}

/* ---------- TEACHING ---------- */

.teaching-year {
  margin: 2.6rem 0 1.2rem;
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
}
.teaching-year h2 { margin: 0; font-size: 1.1rem; }
.teaching-year .rule { flex: 1; height: 1px; background: var(--rule); }

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.course-card {
  background: var(--paper);
  padding: 1.4rem 1.5rem;
}
.course-card h3 { margin-bottom: 0.3em; font-size: 1.02rem; }
.course-meta {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--gray);
  margin-bottom: 0.8em;
  display: block;
}
.course-links { display: flex; gap: 1.1rem; flex-wrap: wrap; font-size: 0.86rem; }
.course-links a { display: inline-flex; align-items: center; gap: 0.4em; }

@media (max-width: 700px) {
  .course-grid { grid-template-columns: 1fr; }
}

/* ---------- OUTREACH ---------- */

.outreach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.2rem;
}
.outreach-card {
  border: 1px solid var(--rule);
  background: var(--paper);
}
.outreach-media {
  aspect-ratio: 16/9;
  background: var(--paper-dim);
  position: relative;
  overflow: hidden;
}
.outreach-media img,
.outreach-media iframe {
  width: 100%; height: 100%;
  border: none; object-fit: cover;
  display: block;
}
.outreach-media .play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(25,25,25,0.06);
}
.outreach-media .play svg { width: 44px; height: 44px; }
.outreach-body { padding: 1.3rem 1.5rem 1.6rem; }
.outreach-body .eyebrow { margin-bottom: 0.4em; }
.outreach-body h3 { margin-bottom: 0.4em; }
.outreach-body p { font-size: 0.92rem; margin-bottom: 0.8em; }

@media (max-width: 700px) {
  .outreach-grid { grid-template-columns: 1fr; }
}

/* ---------- MATH IS BEAUTIFUL ---------- */

.mb-intro { display: flex; justify-content: space-between; align-items: flex-end; gap: 1.5rem; flex-wrap: wrap; }
.mb-intro a { font-family: var(--mono); font-size: 0.82rem; }

.mb-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  margin-top: 1.8rem;
}
.mb-tile {
  aspect-ratio: 1/1;
  background: var(--paper-dim);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  border: none;
  padding: 0;
  display: block;
}
.mb-tile img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.3s ease;
}
.mb-tile:hover img { transform: scale(1.04); }
.mb-tile .mb-cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 0.6em 0.8em;
  background: linear-gradient(to top, rgba(0,0,0,0.55), transparent);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.7rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.mb-tile:hover .mb-cap { opacity: 1; }

@media (max-width: 760px) {
  .mb-grid { grid-template-columns: repeat(2, 1fr); }
}

/* lightbox */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(20,19,17,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox-panel {
  background: var(--paper);
  max-width: 1320px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.85fr);
  position: relative;
}
.lightbox-img {
  background: var(--paper-dim);
  max-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.lightbox-img img,
.lightbox-img video {
  width: 100%;
  height: 100%;
  max-height: 92vh;
  object-fit: contain;
  background: var(--paper-dim);
  display: block;
}
.lightbox-text {
  padding: 2.4rem 2.6rem;
  position: relative;
  overflow-y: auto;
  max-height: 92vh;
}
.lightbox-close {
  position: absolute; top: 14px; right: 14px;
  width: 34px; height: 34px;
  border: 1px solid var(--rule);
  background: var(--paper);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--ink);
  z-index: 5;
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
}
.lightbox-close:hover { background: var(--ink); color: var(--paper); }
.lightbox-text h3 { margin-top: 0.3em; }
.lightbox-text .eyebrow { margin-bottom: 0.3em; }
.lightbox-text p { font-size: 0.94rem; }
.lightbox-text .repo-link {
  margin-top: 1.2em;
  font-family: var(--mono);
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}

@media (max-width: 760px) {
  .lightbox-panel { grid-template-columns: 1fr; max-height: 94vh; }
  .lightbox-img { max-height: 50vh; }
  .lightbox-img img, .lightbox-img video { max-height: 50vh; }
  .lightbox-text { max-height: none; }
}