/* ===== Chaco Researcher Directory Styles ===== */

:root {
  --color-bg: #faf9f6;
  --color-text: #2c2c2c;
  --color-text-light: #5a5a5a;
  --color-accent: #4a7c59;
  --color-accent-dark: #3a6147;
  --color-accent-light: #e8f0eb;
  --color-border: #d4d0c8;
  --color-card-bg: #ffffff;
  --color-tag-bg: #eee8dc;
  --color-tag-text: #5a4e3a;
  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: Georgia, 'Times New Roman', serif;
  --max-width: 1100px;
  --radius: 6px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  color: var(--color-accent-dark);
}

/* ===== Header / Nav ===== */

.site-header {
  background: var(--color-card-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}
.site-logo:hover {
  text-decoration: none;
  color: var(--color-accent);
}
.site-logo span {
  color: var(--color-accent);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--color-text-light);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

.lang-toggle {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  background: transparent;
  color: var(--color-text-light);
  transition: background 0.2s;
}
.lang-toggle:hover {
  background: var(--color-accent-light);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

@media (max-width: 700px) {
  .nav-toggle {
    display: block;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-card-bg);
    flex-direction: column;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    gap: 0.8rem;
  }
  .main-nav.open {
    display: flex;
  }
}

/* ===== Main content ===== */

.main-content {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
}

/* ===== Hero (home page) ===== */

.hero {
  text-align: center;
  padding: 2rem 0 2.5rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  margin-bottom: 0.6rem;
  color: var(--color-text);
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 650px;
  margin: 0 auto;
}

/* ===== Search box ===== */

.search-box {
  max-width: 550px;
  margin: 1.5rem auto;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.8rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-card-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s;
}

.search-box input:focus {
  border-color: var(--color-accent);
}

.search-box .search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  font-size: 1.1rem;
  pointer-events: none;
}

/* ===== Featured researcher ===== */

.featured-section {
  margin: 1rem 0 2.5rem;
}

.featured-section h2 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-text-light);
  text-align: center;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.featured-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.featured-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin-bottom: 0.3rem;
}

.featured-card .affiliation {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}

.featured-card .description {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.featured-card .btn {
  display: inline-block;
}

/* ===== Home map ===== */

.home-map-section {
  margin: 0 0 2.75rem;
}

.browse-map-section {
  margin-top: 0.75rem;
}

.browse-map-toggle {
  font-size: 0.85rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--color-accent);
  padding: 0.5rem 0;
  align-self: flex-end;
}

.browse-map-toggle:hover {
  text-decoration: underline;
}

.home-map-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.2rem;
  margin-bottom: 1rem;
}

.home-map-heading h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

.home-map-heading p {
  color: var(--color-text-light);
  margin: 0;
}

.home-map-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: flex-end;
}

.home-map-root {
  width: 100%;
}

.home-map-frame {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #f7f4ee;
  min-height: 0;
}

.home-map-svg {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
}

.home-map-leader-line,
.home-map-spider-line {
  stroke: #8b7a67;
  stroke-width: 1.35;
  stroke-linecap: round;
  opacity: 0.72;
  pointer-events: none;
}

.home-map-cluster-hit,
.home-map-spider-hit {
  fill: transparent;
  cursor: pointer;
}

.home-map-cluster-core {
  fill: #8f5d45;
  stroke: #fffaf2;
  stroke-width: 2;
  cursor: pointer;
  transform-box: fill-box;
  transform-origin: center;
}

.home-map-cluster-single .home-map-cluster-core {
  fill: #9b5a43;
}

.home-map-detail-cluster.is-selected .home-map-cluster-core {
  fill: #b04d2d;
  stroke: #fff6e7;
  stroke-width: 3.5;
  animation: home-map-pulse 1.6s ease-in-out infinite;
}

.home-map-cluster.is-selected .home-map-cluster-core {
  fill: #a54f32;
  stroke: #fff1df;
}

.home-map-detail-cluster.is-approximate .home-map-cluster-core {
  stroke-dasharray: 1.8 3.2;
  stroke-linecap: round;
  fill: #9a705b;
}

.home-map-cluster-count {
  fill: #fffaf2;
  font-size: 14px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
}

.home-map-detail-cluster.is-selected .home-map-cluster-count {
  font-size: 17px;
}

.home-map-note {
  margin-top: 0.55rem;
  font-size: 0.82rem;
  color: var(--color-text-light);
}

@keyframes home-map-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.18);
  }
}

.inline-link-btn {
  border: none;
  background: transparent;
  color: var(--color-accent);
  cursor: pointer;
  padding: 0;
  margin-left: 0.5rem;
  font-size: 0.9rem;
}

.inline-link-btn:hover {
  text-decoration: underline;
}

/* ===== Quick stats ===== */

.quick-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-item .stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== Browse / Filter page ===== */

.browse-header {
  margin-bottom: 1.5rem;
}

.browse-header h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.filter-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.filter-group select,
.filter-group input {
  padding: 0.5rem 0.8rem;
  font-size: 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-card-bg);
  color: var(--color-text);
  min-width: 160px;
}

.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.filter-checkboxes {
  flex-basis: 100%;
  flex-direction: row;
  gap: 1.2rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: normal;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-text);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  min-width: auto;
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-accent);
}

.filter-note {
  font-size: 0.78rem;
  color: var(--color-text-light);
  font-style: italic;
  margin-top: 0.2rem;
}

/* Search autocomplete */
.search-wrapper {
  position: relative;
}

.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.autocomplete-item {
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.autocomplete-item:hover,
.autocomplete-item.active {
  background: var(--color-accent-light);
}

.results-count {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.clear-filters {
  font-size: 0.85rem;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--color-accent);
  padding: 0.5rem 0;
  align-self: flex-end;
}
.clear-filters:hover {
  text-decoration: underline;
}

/* ===== Researcher cards (grid) ===== */

.researcher-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.researcher-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  transition: box-shadow 0.2s, border-color 0.2s;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.researcher-card:hover {
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border-color: var(--color-accent);
  text-decoration: none;
}

.researcher-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
  color: var(--color-text);
}

.researcher-card .affiliation {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 0.6rem;
}

.researcher-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: auto;
}

.tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}

.tag.pi-tag {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  font-weight: 600;
}

.tag.tag-keyword {
  background: #f0ece4;
  color: #6b5e4a;
  font-size: 0.72rem;
}

.tag-keyword[hidden] {
  display: none;
}

.keyword-toggle {
  display: inline-block;
  margin-top: 0.45rem;
  border: none;
  background: transparent;
  color: var(--color-accent);
  cursor: pointer;
  padding: 0;
  font-size: 0.82rem;
}

.keyword-toggle:hover {
  text-decoration: underline;
}

/* ===== Profile page ===== */

.profile-back {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.profile-header {
  margin-bottom: 2rem;
}

.profile-header h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 0.3rem;
}

.profile-header .affiliation {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.profile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 0.5rem;
}

.profile-meta a {
  color: var(--color-accent);
}

.profile-body {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

@media (max-width: 750px) {
  .profile-body {
    grid-template-columns: 1fr;
  }
}

.profile-section {
  margin-bottom: 1.8rem;
}

.profile-section h2 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.3rem;
}

.profile-section p {
  font-size: 0.95rem;
  line-height: 1.6;
}

.pub-list {
  list-style: none;
}

.pub-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #eee;
  font-size: 0.9rem;
  line-height: 1.5;
}

.pub-list li:last-child {
  border-bottom: none;
}

.pub-list .pub-year {
  font-weight: 600;
  color: var(--color-accent);
  margin-right: 0.3rem;
}

.pub-list .pub-journal {
  color: var(--color-text-light);
  font-style: italic;
}

.pub-list .pub-first-author {
  font-size: 0.7rem;
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  margin-left: 0.3rem;
  font-weight: 600;
}

.collab-list {
  list-style: none;
}

.collab-list li {
  padding: 0.3rem 0;
  font-size: 0.9rem;
}

.collab-list li a {
  color: var(--color-accent);
}

.collab-map-block {
  margin-top: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fdfbf7;
}

.collab-map-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.75rem 0.9rem;
}

.collab-map-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.collab-map-toggle {
  border: 1px solid var(--color-border);
  background: var(--color-card-bg);
  color: var(--color-accent-dark);
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.collab-map-toggle:hover {
  background: var(--color-accent-light);
}

.collab-map-panel {
  padding: 0 0.9rem 0.9rem;
}

.collab-map-frame {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #f7f4ee;
}

.collab-map-svg {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
}

.collab-map-leader-line {
  stroke: #9d907e;
  stroke-width: 1.8;
  opacity: 0.85;
  stroke-linecap: round;
}

.collab-map-point circle {
  fill: #9b5a43;
  stroke: #fffaf2;
  stroke-width: 2.5;
}

.collab-map-point.is-approximate circle {
  fill: #c99883;
}

.collab-map-point text {
  font-size: 36px;
  font-weight: 600;
  fill: #5d4f3e;
  paint-order: stroke;
  stroke: #fffaf2;
  stroke-width: 5px;
  stroke-linejoin: round;
}

.collab-map-label {
  opacity: 0;
  transition: opacity 0.16s ease;
  pointer-events: none;
}

.collab-map-label.is-always-visible {
  opacity: 1;
}

.collab-map-point:hover .collab-map-label,
.collab-map-point:focus-within .collab-map-label {
  opacity: 1;
}

.collab-map-stack {
  cursor: pointer;
  outline: none;
}

.collab-map-stack-hit {
  fill: transparent;
}

.collab-map-stack-core {
  fill: #7b4d3a;
  stroke: #fffaf2;
  stroke-width: 3;
}

.collab-map-stack-count {
  fill: #fffaf2;
  font-size: 28px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
}

.collab-map-stack-children {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.16s ease;
}

.collab-map-stack:hover .collab-map-stack-children,
.collab-map-stack:focus .collab-map-stack-children,
.collab-map-stack:focus-within .collab-map-stack-children {
  opacity: 1;
  pointer-events: auto;
}

.collab-map-spider-line {
  stroke: #8b7c68;
  stroke-width: 1.8;
  opacity: 0.85;
}

.collab-map-spider-point text {
  opacity: 0;
  transition: opacity 0.16s ease;
  pointer-events: none;
}

.collab-map-spider-point:hover text,
.collab-map-spider-point:focus-within text {
  opacity: 1;
}

.collab-map-note {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--color-text-light);
}

.profile-sidebar .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.profile-sidebar .tag {
  font-size: 0.8rem;
}

.suggest-update-btn {
  margin-top: 1.5rem;
}

/* ===== Buttons ===== */

.btn {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}

.btn:hover {
  background: var(--color-accent-dark);
  text-decoration: none;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
}

/* ===== Submit form ===== */

.form-page h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.form-page .form-intro {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  max-width: 600px;
}

.submit-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
  color: var(--color-text);
}

.form-group label .required {
  color: #c44;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.6rem 0.8rem;
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-card-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group .help-text {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 0.2rem;
}

/* ===== Footer / Canopy ===== */

.site-footer {
  margin-top: auto;
  text-align: center;
  padding: 1rem 1.5rem 0.5rem;
  color: var(--color-text-light);
  font-size: 0.8rem;
}

.canopy-container {
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.canopy-container svg {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Utilities ===== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* ===== No results ===== */

.no-results {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-light);
}

.no-results h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

@media (max-width: 900px) {
  .home-map-header {
    flex-direction: column;
    align-items: stretch;
  }

  .home-map-filters {
    justify-content: flex-start;
  }

  .home-map-frame {
    min-height: auto;
  }
}