/* RoPhi Lab — site-wide styles */

/* Hide YAML page titles (Home, People, …) */
#title-block-header.quarto-title-block {
  display: none !important;
}

/* Navbar logo: light variant on primary (dark) background */
.navbar-brand-logo .navbar-logo {
  max-height: 2.25rem;
  width: auto;
}

.hero {
  padding: 2.75rem 2rem 2.25rem;
  margin-bottom: 2rem;
  border-radius: 0.75rem;
  border: 1px solid var(--bs-border-color);
  background: linear-gradient(
    145deg,
    rgba(var(--bs-primary-rgb), 0.09) 0%,
    transparent 50%
  );
}

.hero-intro {
  margin-bottom: 0;
}

.hero-eyebrow {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--bs-secondary);
  line-height: 1.45;
  max-width: 38rem;
  margin-bottom: 0.65rem;
}

.hero-title {
  font-size: clamp(2.35rem, 5.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 0 0 0.4rem;
}

.hero-phi {
  color: var(--bs-primary);
}

.hero-pronunciation {
  font-size: 0.95rem;
  color: var(--bs-secondary);
  margin: 0;
}

.hero-pronunciation p {
  margin: 0;
}

.hero-lead {
  font-size: 1.12rem;
  line-height: 1.55;
  max-width: 100%;
  margin-top: 1.35rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--bs-border-color);
}

.hero-lead p {
  margin: 0;
}

.hero-lead figure {
  margin: 0;
}

.hero-lead figure img {
  border-radius: 0.5rem;
  border: 1px solid var(--bs-border-color);
  background: var(--bs-body-bg);
}

.hero-lead figcaption {
  font-size: 0.85rem;
  color: var(--bs-secondary);
  margin-top: 0.5rem;
  text-align: center;
}

.hero-meta {
  font-size: 0.92rem;
  color: var(--bs-secondary);
  margin-top: 1rem;
}

.hero-meta p {
  margin: 0.15rem 0 0;
}

/* Spacing between Quarto column layouts */
.columns {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 2.5rem;
}

.columns > .column {
  box-sizing: border-box;
}

.research-figures {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: 1.25rem;
  margin: 1.25rem 0 1.5rem;
}

.research-figures .quarto-float,
.research-figures figure {
  flex: 1 1 14rem;
  width: 100%;
  max-width: min(100%, 20rem);
  min-width: 0;
  margin: 0 auto;
}

.research-figures figure img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
  border: 1px solid var(--bs-border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
  background: var(--bs-body-bg);
}

.research-figures figcaption {
  font-size: 0.78rem;
  line-height: 1.45;
  margin-top: 0.5rem;
  text-align: center;
  color: var(--bs-secondary);
}

/* Paired figures (e.g. policy + interfaces) */
.research-figures.research-figures-duo {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
  gap: 1.25rem 1.75rem;
  max-width: 46rem;
  margin: 1.75rem auto 2rem;
  padding: 0;
  border: none;
  background: none;
}

.research-figures-duo .quarto-float,
.research-figures-duo figure {
  flex: none;
  display: flex;
  flex-direction: column;
  max-width: none;
  width: 100%;
  margin: 0;
  height: 100%;
}

.research-figures-duo #fig-interfaces {
  width: 78%;
  justify-self: center;
}

.research-figures-duo figure img {
  flex: 1 1 auto;
  padding: 0;
  background: transparent;
  border-radius: 0.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.research-figures-duo figure:hover img {
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.research-figures-duo figcaption {
  font-size: 0.8rem;
  line-height: 1.5;
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--bs-border-color);
}

.research-figures-duo figcaption strong {
  color: var(--bs-body-color);
  font-weight: 600;
}

@media (max-width: 640px) {
  .research-figures.research-figures-duo {
    grid-template-columns: 1fr;
    max-width: 20rem;
  }
}

@media (max-width: 576px) {
  .research-figures:not(.research-figures-duo) .quarto-float,
  .research-figures:not(.research-figures-duo) figure {
    flex: 1 1 100%;
    max-width: min(100%, 20rem);
  }
}

.section-title {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--bs-primary);
  display: inline-block;
}

.page-intro {
  padding: 1.5rem 1.4rem 1.35rem;
  margin: 0 0 1.75rem;
  border-radius: 0.65rem;
  border: 1px solid var(--bs-border-color);
  border-left: 3px solid var(--bs-primary);
  background: linear-gradient(
    145deg,
    rgba(var(--bs-primary-rgb), 0.07) 0%,
    transparent 60%
  );
}

.page-intro-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bs-secondary);
  margin-bottom: 0.55rem;
}

.page-intro > p:last-child {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 44rem;
  color: var(--bs-body-color);
}

.page-intro strong {
  color: var(--bs-primary);
  font-weight: 600;
}

.person-card {
  margin-bottom: 1.25rem;
}

.person-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1.35rem 1.75rem;
}

.person-photo {
  flex: 0 0 11rem;
  width: 11rem;
  max-width: 100%;
}

.person-photo p,
.person-photo .quarto-figure,
.person-photo figure {
  margin: 0;
}

.person-card img {
  display: block;
  border-radius: 0.5rem;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--bs-border-color);
}

.person-bio {
  flex: 1 1 16rem;
  min-width: 0;
}

.person-card h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
}

.person-card p {
  margin: 0.35rem 0;
}

.person-card ul {
  margin-top: 0.35rem;
  margin-bottom: 0.35rem;
}

.person-card li {
  margin: 0.15rem 0;
}

.person-card .role {
  color: var(--bs-secondary);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

/* Phone: stack photo above bio at a readable size */
@media (max-width: 576px) {
  .person-layout {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .person-photo {
    flex: none;
    width: min(100%, 14rem);
    max-width: 14rem;
  }
}

.research-area {
  margin-bottom: 1.75rem;
}

.research-area h3 {
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.research-topics {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 1.25rem 0 2rem;
}

.research-topics > .research-topic {
  padding: 1.35rem 1.4rem 1.2rem;
  border-radius: 0.55rem;
  border: 1px solid var(--bs-border-color);
  border-left-width: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.research-topics > .research-topic:nth-child(odd) {
  background: #f3f8fd;
  border-color: #d6e8f8;
  border-left-color: var(--bs-primary);
}

.research-topics > .research-topic:nth-child(even) {
  background: #f1f3f5;
  border-color: #d5d9de;
  border-left-color: #9aa0a6;
}

.quarto-dark .research-topics > .research-topic {
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.22);
}

.quarto-dark .research-topics > .research-topic:nth-child(odd) {
  background: rgba(var(--bs-primary-rgb), 0.2);
  border-color: rgba(var(--bs-primary-rgb), 0.38);
  border-left-color: var(--bs-primary);
}

.quarto-dark .research-topics > .research-topic:nth-child(even) {
  background: #2d3238;
  border-color: #454b52;
  border-left-color: #8b939c;
}

.research-topic > h2 {
  margin: 0 0 0.85rem;
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.research-topic > ul {
  margin: 0 0 1.1rem;
  padding-left: 1.2rem;
}

.research-previews {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
  margin: 0 0 1.25rem;
}

.research-preview {
  flex: 0 0 11.5rem;
  width: 11.5rem;
  max-width: 11.5rem;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  border: 1px solid var(--bs-border-color);
  overflow: hidden;
  background: var(--bs-body-bg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  text-decoration: none;
}

.research-preview:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.research-preview video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}

@media (max-width: 576px) {
  .research-previews {
    gap: 0.65rem;
  }

  .research-preview {
    flex: 1 1 calc(50% - 0.35rem);
    width: calc(50% - 0.35rem);
    max-width: calc(50% - 0.35rem);
  }
}

.research-topic > ul > li {
  margin: 0.35rem 0;
  line-height: 1.55;
}

.research-topic > h3 {
  margin: 0 0 0.55rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bs-secondary);
}

.research-topic > ol {
  margin: 0;
  padding-left: 1.35rem;
}

.research-topic > ol > li {
  margin: 0.3rem 0;
  line-height: 1.5;
  color: var(--bs-secondary);
}

.research-topic > ol a {
  color: var(--bs-link-color);
  font-weight: 500;
  text-decoration: none;
}

.research-topic > ol a:hover {
  text-decoration: underline;
}

.pub-item[id] {
  scroll-margin-top: 5rem;
}

.pub-legend {
  font-size: 0.9rem;
  color: var(--bs-secondary);
  margin: 0 0 1.5rem;
}

.pub-legend-mark {
  font-weight: 700;
  color: var(--bs-body-color);
}

.pub-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 2rem;
}

.pub-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--bs-border-color);
}

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

/* Feature a single highlighted publication item */
.pub-item--featured {
  border: 1px solid rgba(var(--bs-primary-rgb), 0.35);
  border-radius: 0.85rem;
  padding: 1.1rem;
  background: linear-gradient(
    145deg,
    rgba(var(--bs-primary-rgb), 0.08) 0%,
    rgba(var(--bs-primary-rgb), 0.03) 45%,
    transparent 100%
  );
}

.pub-item--featured .pub-thumb {
  flex-basis: 9rem;
  width: 9rem;
}

.pub-item--featured .pub-title {
  font-size: 1.08rem;
}

.pub-item--featured .pub-venue {
  font-weight: 600;
}

/* Left slot for GIF, PNG, or WebM (use <video> for .webm — not <img>) */
.pub-thumb {
  flex: 0 0 7.5rem;
  width: 7.5rem;
  min-height: 5rem;
  border-radius: 0.5rem;
  border: 1px dashed var(--bs-border-color);
  background: rgba(var(--bs-secondary-rgb), 0.06);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pub-thumb:has(img),
.pub-thumb:has(video) {
  border: none;
  background: transparent;
  min-height: 0;
}

.pub-thumb img,
.pub-thumb video {
  width: 100%;
  height: auto;
  max-height: 6.5rem;
  display: block;
  object-fit: cover;
  border-radius: 0.35rem;
}

.pub-thumb video {
  pointer-events: none;
}

.pub-content {
  flex: 1 1 0;
  min-width: 0;
}

.pub-title {
  font-weight: 600;
  font-size: 1.02rem;
  line-height: 1.35;
  margin-bottom: 0.3rem;
}

.pub-venue {
  font-size: 0.92rem;
  color: var(--bs-primary);
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.pub-authors {
  font-size: 0.92rem;
  color: var(--bs-secondary);
  line-height: 1.45;
  margin-bottom: 0.45rem;
}

.pub-authors .eq-contrib,
.pub-legend-mark {
  font-weight: 700;
  color: var(--bs-body-color);
}

.pub-links {
  font-size: 0.88rem;
  line-height: 1.5;
}

.pub-links a {
  text-decoration: none;
  font-weight: 500;
}

.pub-links a:hover {
  text-decoration: underline;
}

/* Replace spans with <a href="..."> when URLs are ready */
.pub-links--todo span:not(.pub-sep) {
  color: var(--bs-secondary);
}

.pub-sep {
  margin: 0 0.35rem;
  color: var(--bs-secondary);
  user-select: none;
}

@media (max-width: 576px) {
  .pub-item {
    flex-direction: column;
    gap: 0.75rem;
  }

  .pub-thumb {
    width: 100%;
    max-width: 10rem;
    min-height: 4rem;
  }
}

.course-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1rem 0 2rem;
}

.course-card {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: 1.25rem;
  row-gap: 0.35rem;
  align-items: center;
  padding: 1.15rem 1.25rem;
  border: 1px solid var(--bs-border-color);
  border-left: 3px solid var(--bs-primary);
  border-radius: 0.5rem;
  background: linear-gradient(
    145deg,
    rgba(var(--bs-primary-rgb), 0.06) 0%,
    transparent 55%
  );
}

.course-card > p {
  margin: 0;
  grid-column: 1;
  grid-row: 1;
}

.course-code {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bs-secondary);
}

.course-card h3 {
  grid-column: 1;
  grid-row: 2;
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.course-card h3 a {
  color: inherit;
  text-decoration: none;
}

.course-card h3 a:hover {
  color: var(--bs-primary);
}

.course-site-link {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
}

.course-site-link::after {
  content: " →";
}

.course-site-link:hover {
  text-decoration: underline;
}

@media (max-width: 576px) {
  .course-card {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    row-gap: 0.45rem;
    padding: 1rem 1.1rem;
  }

  .course-card > p,
  .course-card h3,
  .course-site-link {
    grid-column: 1;
    grid-row: auto;
  }

  .course-site-link {
    margin-top: 0.25rem;
  }
}

.contact-block {
  margin-bottom: 1.5rem;
}

/* Auto-populated News list on the homepage */
.news-feed {
  margin: 0.75rem 0 1.5rem;
}

.news-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
  max-height: 16rem;
  overflow-y: auto;
  padding-right: 0.5rem;
  scrollbar-width: thin;
}

.news-list::-webkit-scrollbar {
  width: 8px;
}

.news-list::-webkit-scrollbar-thumb {
  background: rgba(var(--bs-primary-rgb), 0.4);
  border-radius: 999px;
}

.news-list::-webkit-scrollbar-track {
  background: var(--bs-secondary-bg);
  border-radius: 999px;
}

.news-item {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.5rem;
  line-height: 1.5;
  border-bottom: 1px solid var(--bs-border-color);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.95rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--bs-primary);
}

.news-date {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.05rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--bs-primary);
  background: rgba(var(--bs-primary-rgb), 0.12);
  border-radius: 999px;
  white-space: nowrap;
  vertical-align: middle;
}

.news-item a {
  font-weight: 500;
  text-decoration: none;
}

.news-item a:hover {
  text-decoration: underline;
}

.news-empty {
  list-style: none;
  color: var(--bs-secondary);
  font-size: 0.92rem;
  padding: 0.5rem 0;
}

/* "Must-Know" badge for essential courses on the Join page */
.must-know {
  display: inline-block;
  margin-left: 0.15rem;
  padding: 0.08rem 0.5rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: middle;
  white-space: nowrap;
  color: #fff;
  background: var(--bs-primary);
  border-radius: 999px;
}

/* Homepage preview carousel (auto-populated from Publications) */
.preview-carousel {
  position: relative;
  margin: 1rem 0 2rem;
}

.preview-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0.25rem 0.25rem 1rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.preview-track::-webkit-scrollbar {
  height: 8px;
}

.preview-track::-webkit-scrollbar-thumb {
  background: rgba(var(--bs-primary-rgb), 0.4);
  border-radius: 999px;
}

.preview-track::-webkit-scrollbar-track {
  background: var(--bs-secondary-bg);
  border-radius: 999px;
}

.preview-slide {
  flex: 0 0 auto;
  width: 16rem;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  border-radius: 0.6rem;
  border: 1px solid var(--bs-border-color);
  overflow: hidden;
  background: var(--bs-body-bg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.preview-slide:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.preview-slide video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #000;
  pointer-events: none;
}

.preview-caption {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.65rem 0.75rem 0.75rem;
}

.preview-caption-title {
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.preview-caption-venue {
  font-size: 0.76rem;
  color: var(--bs-secondary);
  line-height: 1.35;
}

.preview-empty {
  color: var(--bs-secondary);
  font-size: 0.92rem;
  margin: 0;
  padding: 0.5rem 0;
}

.preview-nav {
  position: absolute;
  top: calc(50% - 1rem);
  transform: translateY(-50%);
  z-index: 2;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: 1px solid var(--bs-border-color);
  background: var(--bs-body-bg);
  color: var(--bs-body-color);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  transition: background 0.15s ease, opacity 0.15s ease;
}

.preview-nav:hover {
  background: var(--bs-secondary-bg);
}

.preview-nav:disabled {
  opacity: 0.35;
  cursor: default;
}

.preview-nav--prev {
  left: -0.6rem;
}

.preview-nav--next {
  right: -0.6rem;
}

@media (max-width: 576px) {
  .preview-slide {
    width: 13rem;
  }

  .preview-nav {
    display: none;
  }
}