/* =============================================================================
   SBPL Website — Custom Styles
   Built on top of Pico.css
   ============================================================================= */

/* ---------- Color Scheme ---------- */
:root {
  --sbpl-dark: #222222;
  --sbpl-text: #333333;
  --sbpl-gray: #777777;
  --sbpl-border: #e5e5e5;
  --sbpl-card: #f7f7f7;
  --sbpl-light: #fafafa;
  --sbpl-accent: #4a6fa5;
  --sbpl-accent-hover: #3a5a8a;
  --pico-background-color: #ffffff;
  --pico-color: var(--sbpl-text);
}

body {
  background: #ffffff;
  color: var(--sbpl-text);
}

/* Override Pico.css dark article backgrounds */
article {
  background: var(--sbpl-card) !important;
  color: var(--sbpl-text) !important;
  --pico-card-background-color: var(--sbpl-card);
  --pico-card-sectioning-background-color: var(--sbpl-card);
}

/* ---------- Site Header ---------- */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--sbpl-border);
  padding: 0;
  margin-bottom: 2rem;
}

.site-header nav {
  padding: 0.75rem 0;
}

.site-header a {
  color: var(--sbpl-text);
  text-decoration: none;
}

.site-header a:hover {
  color: var(--sbpl-accent);
}

.lab-logo strong {
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  color: var(--sbpl-dark);
}

/* ---------- Hero Section (Homepage) ---------- */
.hero {
  text-align: center;
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--sbpl-border);
  margin-bottom: 2rem;
}

.hero-logo {
  max-width: 280px;
  max-height: 120px;
  margin: 0 auto 1.5rem;
  display: block;
}

.hero h1 {
  color: var(--sbpl-dark);
  font-size: 2.2rem;
  margin-bottom: 0.25rem;
}

.hero hgroup p {
  color: var(--sbpl-gray);
  font-size: 1.1rem;
}

.hero-description {
  max-width: 800px;
  margin: 1rem auto 0;
  line-height: 1.7;
  color: #555;
}

/* ---------- Team Preview (Homepage) ---------- */
.team-preview {
  text-align: center;
  padding: 1rem 0;
}

.pi-preview {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  text-align: left;
}

.member-photo-small {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 1.5rem;
}

.team-member-mini {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-decoration: none;
  color: var(--sbpl-text);
  width: 80px;
  text-align: center;
  transition: transform 0.2s;
}

.team-member-mini:hover {
  transform: translateY(-2px);
}

.team-member-mini span {
  font-size: 0.75rem;
  line-height: 1.2;
}

/* ---------- PI Section ---------- */
.pi-section {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--sbpl-border);
}

.pi-card {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.pi-photo-wrapper {
  flex-shrink: 0;
}

.pi-photo {
  width: 220px;
  height: 220px;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid var(--sbpl-border);
}

.pi-info {
  flex: 1;
}

.pi-name {
  margin-bottom: 0.25rem;
  color: var(--sbpl-dark);
}

.pi-title {
  color: var(--sbpl-gray);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.pi-vision {
  line-height: 1.7;
  color: #555;
}

.pi-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.pi-links a {
  font-size: 0.9rem;
}

/* ---------- Member Grid ---------- */
.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

/* ---------- Member Card ---------- */
.member-card {
  border: 1px solid var(--sbpl-border);
  border-radius: 12px;
  padding: 1.25rem;
  background: var(--sbpl-card);
  transition: box-shadow 0.2s;
  height: 320px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.member-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(transparent, var(--sbpl-card));
  pointer-events: none;
}

.member-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  border-color: var(--sbpl-accent);
}

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

.member-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.member-card-inner {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.member-photo-wrapper {
  flex-shrink: 0;
}

.member-photo {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--sbpl-border);
  display: block;
}

.member-initials-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 2px solid rgba(255, 255, 255, 0.85);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.member-info {
  flex: 1;
  min-width: 0;
}

.member-name {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
  color: var(--sbpl-dark);
}

.badge {
  display: inline-block;
  background: var(--sbpl-light);
  color: var(--sbpl-gray);
  padding: 0.15rem 0.6rem;
  border-radius: 20px;
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}

.member-now-at {
  color: var(--sbpl-accent);
  font-size: 0.9rem;
  margin: 0.25rem 0;
}

.member-era {
  margin: 0 0 0.35rem;
  color: var(--sbpl-gray);
  font-style: italic;
}

.people-section {
  margin-top: 3rem;
}

.people-section > h2 {
  margin-bottom: 0.25rem;
  border-bottom: 3px solid var(--sbpl-accent);
  padding-bottom: 0.35rem;
  display: inline-block;
}

.people-subhead {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--sbpl-border);
  color: var(--sbpl-dark);
  font-size: 1.25rem;
}

.people-count {
  font-size: 0.85rem;
  color: var(--sbpl-gray);
  font-weight: normal;
  margin-left: 0.4rem;
}

.section-lead {
  color: var(--sbpl-gray);
  font-size: 0.95rem;
  margin: 0.25rem 0 1rem;
  max-width: 60ch;
}

.people-empty {
  color: var(--sbpl-gray);
  font-style: italic;
}

.lab-photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.lab-photo-grid figure {
  margin: 0;
  border: 1px solid var(--sbpl-border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--sbpl-card);
}

.lab-photo-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.lab-photo-grid figcaption {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  color: var(--sbpl-gray);
}

.member-bio {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #555;
  margin: 0.5rem 0;
}

.member-publications {
  margin: 0.5rem 0;
  font-size: 0.85rem;
}

.member-publications summary {
  cursor: pointer;
  color: var(--sbpl-accent);
  font-weight: 600;
}

.member-publications ul {
  margin: 0.25rem 0 0 1rem;
  padding: 0;
}

.member-publications li {
  margin-bottom: 0.25rem;
}

.member-publications li small {
  color: var(--sbpl-gray);
}

.member-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.member-links a {
  font-size: 0.8rem;
  color: var(--sbpl-accent);
  text-decoration: none;
}

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

/* ---------- Publication List ---------- */
.publication-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.pub-year {
  color: var(--sbpl-dark);
  border-bottom: 1px solid var(--sbpl-border);
  padding-bottom: 0.3rem;
  margin-top: 2rem;
}

/* ---------- Publication Card ---------- */
.publication-card {
  border: 1px solid var(--sbpl-border);
  border-radius: 12px;
  padding: 1.25rem;
  background: var(--sbpl-card);
  transition: box-shadow 0.2s;
}

.publication-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.publication-card-inner {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.publication-thumbnail {
  flex-shrink: 0;
  width: 180px;
  height: 120px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--sbpl-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.publication-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.publication-info {
  flex: 1;
  min-width: 0;
}

.publication-title {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
  line-height: 1.3;
}

.publication-title a {
  color: var(--sbpl-dark);
  text-decoration: none;
}

.publication-title a:hover {
  color: var(--sbpl-accent);
}

.publication-authors {
  font-size: 0.9rem;
  margin: 0.25rem 0;
  color: #555;
}

.author-link {
  color: var(--sbpl-accent);
  text-decoration: none;
}

.author-link:hover {
  text-decoration: underline;
}

.co-first-note {
  font-size: 0.8rem;
  color: var(--sbpl-gray);
  margin-left: 0.3rem;
  font-style: italic;
}

.publication-venue {
  font-size: 0.85rem;
  color: var(--sbpl-gray);
  margin: 0.25rem 0;
}

.publication-description {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #555;
  margin: 0.5rem 0;
}

.publication-award {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.05rem 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #8a5b00;
  background: #fff4d6;
  border: 1px solid #f0c987;
  border-radius: 4px;
  vertical-align: 0.05em;
}

.pub-year {
  margin-top: 2rem;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid var(--sbpl-border);
  color: var(--sbpl-dark);
}

.publication-list {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.publication-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.pub-link {
  font-size: 0.8rem;
  color: var(--sbpl-accent);
  text-decoration: none;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--sbpl-accent);
  border-radius: 4px;
  transition: all 0.2s;
}

.pub-link:hover {
  background: var(--sbpl-accent);
  color: #fff;
}

.pub-link {
  border-color: var(--sbpl-accent);
}

/* ---------- Single Publication Page ---------- */
.publication-single {
  max-width: 800px;
  margin: 0 auto;
}

.publication-single h1 {
  color: var(--sbpl-dark);
}

.publication-meta {
  color: var(--sbpl-gray);
  margin-bottom: 0.5rem;
}

.publication-hero-image {
  margin: 1.5rem 0;
  text-align: center;
}

.publication-hero-image img {
  max-width: 100%;
  border-radius: 8px;
}

.publication-content {
  line-height: 1.8;
  margin: 1.5rem 0;
}

.publication-links-large {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* ---------- Author Taxonomy ---------- */
.author-affiliation {
  color: var(--sbpl-gray);
  margin-bottom: 1.5rem;
}

.author-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.author-tag {
  display: inline-block;
  background: var(--sbpl-card);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  text-decoration: none;
  color: var(--sbpl-dark);
  transition: all 0.2s;
  border: 1px solid var(--sbpl-border);
}

.author-tag:hover {
  background: var(--sbpl-accent);
  color: #fff;
  border-color: var(--sbpl-accent);
}

.author-count {
  color: var(--sbpl-gray);
  font-size: 0.85rem;
}

/* ---------- Member Profile (Individual Page) ---------- */
.member-profile {
  max-width: 800px;
  margin: 0 auto;
}

.member-profile-header {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.member-profile-photo-wrapper {
  flex-shrink: 0;
}

.member-profile-photo {
  width: 180px;
  height: 180px;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid var(--sbpl-border);
}

.member-profile-info {
  flex: 1;
}

.member-profile-info h1 {
  margin-bottom: 0.25rem;
  color: var(--sbpl-dark);
}

.member-profile-title {
  color: var(--sbpl-gray);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.member-profile-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.member-profile-links a {
  color: var(--sbpl-accent);
  text-decoration: none;
  font-size: 0.9rem;
}

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

.member-profile-bio,
.member-profile-vision,
.member-profile-publications {
  margin-bottom: 2rem;
}

.member-profile-bio p,
.member-profile-vision p {
  line-height: 1.7;
  color: #555;
}

/* ---------- Legacy / Generic Single Pages ---------- */
.legacy-page {
  max-width: 900px;
  margin: 0 auto;
  background: transparent !important;
  border: none;
  padding: 0;
}

.legacy-page > h1 {
  color: var(--sbpl-dark);
  margin-bottom: 0.25rem;
}

.legacy-page .page-lead {
  color: var(--sbpl-gray);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.legacy-page-content {
  line-height: 1.7;
  color: #444;
}

.legacy-page-content h2 {
  color: var(--sbpl-dark);
  margin-top: 2rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--sbpl-border);
}

.legacy-page-content h3 {
  color: var(--sbpl-dark);
  margin-top: 1.5rem;
}

.legacy-page-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 0.5rem 0;
}

.legacy-page-content a {
  color: var(--sbpl-accent);
}

.legacy-page-content a:hover {
  color: var(--sbpl-accent-hover);
}

/* Inline-flex image row (used on Robots page) */
.legacy-page-content p img {
  margin-right: 0.5rem;
  vertical-align: middle;
}

/* Video grid (used on Videos page) */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.video-grid iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--sbpl-border);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--sbpl-light);
  border-top: 1px solid var(--sbpl-border);
  color: var(--sbpl-gray);
  padding: 2rem 0;
  margin-top: 3rem;
  text-align: center;
}

.site-footer strong {
  color: var(--sbpl-dark);
}

.site-footer small {
  color: var(--sbpl-gray);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .pi-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .pi-links {
    justify-content: center;
  }

  .member-card-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .member-links {
    justify-content: center;
  }

  .publication-card-inner {
    flex-direction: column;
  }

  .publication-thumbnail {
    width: 100%;
    height: 200px;
  }

  .member-grid {
    grid-template-columns: 1fr;
  }

  .publication-links-large {
    flex-direction: column;
  }

  .member-profile-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .member-profile-links {
    justify-content: center;
  }
}