/* SciLifeLab Visual Identity - ISB Dataset Portal */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700&family=Lora:wght@400;700&display=swap');

/* SciLifeLab Color Palette */
:root {
  --lime: #A7C947;
  --teal: #045C64;
  --aqua: #4C979F;
  --grape: #491F53;
  --white: #FFFFFF;
  --black: #000000;
  --gray-light: #F5F5F5;
  --gray-medium: #CCCCCC;
  --gray-dark: #666666;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Lora', serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  color: var(--teal);
}

h2 {
  font-size: 2rem;
  color: var(--teal);
}

h3 {
  font-size: 1.5rem;
  color: var(--aqua);
}

/* Header */
header {
  background-color: var(--gray-light);
  color: var(--black);
  padding: 2rem 0;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--lime);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
}

.scilifelab-logo {
  position: absolute;
  top: 1rem;
  right: 2rem;
  height: 40px;
  width: auto;
  z-index: 10;
}

header h1 {
  color: var(--teal);
  margin-bottom: 0.5rem;
}

header p {
  color: var(--gray-dark);
  opacity: 0.9;
  font-size: 1.1rem;
}

/* Navigation */
nav {
  background-color: var(--gray-light);
  padding: 0;
  margin-bottom: 2rem;
  position: relative;
}

nav .nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

nav a {
  color: var(--teal);
  text-decoration: none;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  padding: 0.5rem 1rem;
  display: inline-block;
  transition: background-color 0.3s;
  border-radius: 4px;
}

nav a:hover {
  background-color: var(--lime);
  color: var(--teal);
}

/* Navigation Filter/Heatmap Buttons */
.nav-filter-toggle,
.nav-heatmap-toggle {
  display: inline-block;
}

.nav-filter-btn,
.nav-heatmap-btn {
  color: var(--teal);
  text-decoration: none;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  padding: 0.5rem 1rem;
  background-color: transparent;
  border: 2px solid var(--gray-medium);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s;
  font-size: 1rem;
}

.nav-filter-btn:hover,
.nav-heatmap-btn:hover {
  background-color: var(--lime);
  border-color: var(--lime);
  color: var(--teal);
}

.nav-filter-btn .toggle-icon,
.nav-heatmap-btn .toggle-icon {
  font-size: 0.7rem;
  transition: transform 0.3s;
}

/* Navigation Dropdowns */
.nav-dropdown {
  background-color: var(--white);
  border-top: 2px solid var(--gray-medium);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 100;
}

.nav-dropdown-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  margin-bottom: 2rem;
}

/* Index intro */
.index-intro {
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: var(--gray-dark);
}

/* About page */
.about-page .about-definition {
  padding: 1rem 1.25rem;
  background-color: var(--gray-light);
  border-left: 4px solid var(--lime);
  margin: 1rem 0;
}

.about-page .about-list {
  margin: 0.75rem 0 0 1.25rem;
  padding-left: 0.5rem;
}

.about-page .about-list li {
  margin-bottom: 0.65rem;
}

.about-page .about-not {
  border-top: 1px solid var(--gray-medium);
  padding-top: 0.5rem;
}

/* Dataset Cards (Index Page) - Compact layout */
.dataset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.dataset-card {
  background-color: var(--white);
  border: 1px solid var(--gray-medium);
  border-radius: 6px;
  padding: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.dataset-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-color: var(--lime);
}

.dataset-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
  line-height: 1.3;
}

.dataset-card h3 a {
  color: var(--teal);
  text-decoration: none;
}

.dataset-card h3 a:hover {
  color: var(--aqua);
  text-decoration: underline;
}

.dataset-meta {
  color: var(--gray-dark);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.dataset-description {
  margin-bottom: 0.5rem;
  color: var(--black);
  font-size: 0.9rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Technique Badges */
.techniques {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.technique-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background-color: var(--lime);
  color: var(--teal);
  border-radius: 12px;
  font-size: 0.75rem;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
}

.technique-badge.inactive {
  background-color: var(--gray-light);
  color: var(--gray-dark);
}

/* Dataset Detail Page */
.dataset-detail {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 8px;
  margin-top: 2rem;
}

.dataset-detail h2 {
  color: var(--teal);
  border-bottom: 3px solid var(--lime);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

.info-section {
  margin-bottom: 2rem;
}

.info-section h3 {
  color: var(--aqua);
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.info-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--gray-light);
}

.info-label {
  font-weight: 700;
  font-family: 'Lato', sans-serif;
  color: var(--teal);
}

.info-value {
  color: var(--black);
}

/* Repository Links */
.repository-links {
  margin-top: 1rem;
}

.repository-links h3 {
  margin-bottom: 1rem;
}

.repo-link-list {
  list-style: none;
  padding: 0;
}

.repo-link-list li {
  margin-bottom: 0.5rem;
}

.repo-link-list a {
  color: var(--aqua);
  text-decoration: none;
  font-weight: 700;
  padding: 0.5rem 1rem;
  display: inline-block;
  background-color: var(--gray-light);
  border-radius: 4px;
  transition: background-color 0.3s, color 0.3s;
}

.repo-link-list a:hover {
  background-color: var(--lime);
  color: var(--teal);
}

.repo-link-list .repo-type {
  font-weight: 700;
  color: var(--teal);
  margin-right: 0.5rem;
}

h4.repo-subsection {
  font-size: 1.1rem;
  color: var(--teal);
  margin: 1rem 0 0.5rem;
}

/* Publications */
.publication-list {
  list-style: none;
  padding: 0;
}

.publication-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-light);
  line-height: 1.5;
}

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

.pub-title {
  display: block;
  font-weight: 700;
  font-family: 'Lato', sans-serif;
  color: var(--teal);
  text-decoration: none;
  margin-bottom: 0.25rem;
}

a.pub-title:hover {
  color: var(--aqua);
  text-decoration: underline;
}

.pub-venue {
  display: inline-block;
  font-style: italic;
  color: var(--gray-dark);
  font-size: 0.9rem;
  margin-right: 1rem;
}

.pub-doi {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--gray-dark);
}

.pub-doi a {
  color: var(--aqua);
  text-decoration: none;
}

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

/* Footer */
footer {
  background-color: var(--teal);
  color: var(--white);
  padding: 2rem 0;
  margin-top: 3rem;
  text-align: center;
}

footer p {
  color: var(--white);
  opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
  .dataset-grid {
    grid-template-columns: 1fr;
  }
  
  .info-row {
    grid-template-columns: 1fr;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .container {
    padding: 0 1rem;
  }
  
  .header-content {
    padding: 0 1rem;
  }
  
  .scilifelab-logo {
    top: 0.5rem;
    right: 1rem;
    height: 30px;
  }
  
  nav .nav-content {
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
  }
  
  .nav-left,
  .nav-right {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  
  .nav-filter-btn,
  .nav-heatmap-btn {
    width: 100%;
    justify-content: center;
  }
  
  .nav-dropdown-content {
    padding: 1rem;
  }
}

/* Links */
a {
  color: var(--aqua);
  transition: color 0.3s;
}

a:hover {
  color: var(--lime);
}

/* Lists */
ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

/* Emphasis */
strong {
  font-weight: 700;
  font-family: 'Lato', sans-serif;
}

/* Filter Section (now in nav dropdown) */

.filter-section h3 {
  margin-bottom: 1rem;
  margin-top: 1.5rem;
  color: var(--teal);
  font-size: 1.25rem;
}

/* Search Section */
.search-section {
  position: relative;
  margin-bottom: 1.5rem;
}

.search-label {
  display: block;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.search-input-wrapper {
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.75rem 3rem 0.75rem 1rem;
  font-family: 'Lora', serif;
  font-size: 1rem;
  border: 2px solid var(--gray-medium);
  border-radius: 4px;
  background-color: var(--white);
  color: var(--black);
  transition: border-color 0.3s, box-shadow 0.3s;
  box-sizing: border-box;
}

.search-input:focus {
  outline: none;
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(167, 201, 71, 0.1);
}

.search-input::placeholder {
  color: var(--gray-dark);
  opacity: 0.6;
}

.clear-search-btn {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-dark);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  line-height: 1;
  transition: color 0.3s;
  display: none;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.clear-search-btn:hover {
  color: var(--teal);
}

.clear-search-btn:focus {
  outline: none;
}

.filter-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.5rem 1rem;
  background-color: var(--white);
  color: var(--teal);
  border: 2px solid var(--gray-medium);
  border-radius: 20px;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s;
}

.filter-btn:hover {
  background-color: var(--lime);
  border-color: var(--lime);
  color: var(--teal);
}

.filter-btn.active {
  background-color: var(--lime);
  border-color: var(--lime);
  color: var(--teal);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.filter-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.clear-filters-btn {
  padding: 0.5rem 1.5rem;
  background-color: var(--teal);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.3s;
}

.clear-filters-btn:hover {
  background-color: var(--aqua);
}

.filter-results {
  color: var(--gray-dark);
  font-size: 0.9rem;
  font-style: italic;
}

/* Hide filtered cards */
.dataset-card[style*="display: none"] {
  display: none !important;
}

@media (max-width: 768px) {
  .filter-buttons {
    gap: 0.4rem;
  }
  
  .filter-btn {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }
  
  .filter-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========================
   HEATMAP SECTION (now in nav dropdown)
   ======================== */

.heatmap-description {
  color: var(--gray-dark);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.heatmap-wrapper {
  overflow-x: auto;
  margin-bottom: 1rem;
}

.heatmap-table {
  border-collapse: collapse;
  font-family: 'Lato', sans-serif;
  font-size: 0.8rem;
  min-width: 100%;
}

.heatmap-table th,
.heatmap-table td {
  padding: 0.5rem;
  text-align: center;
  border: 1px solid var(--gray-medium);
  min-width: 45px;
  height: 45px;
}

.corner-cell {
  background-color: var(--gray-light);
}

.col-header,
.row-header {
  background-color: var(--gray-light);
  color: var(--teal);
  font-weight: 700;
  font-size: 0.75rem;
  white-space: nowrap;
  max-width: 60px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.col-header {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  height: 80px;
  vertical-align: bottom;
  padding: 0.5rem 0.25rem;
}

.row-header {
  text-align: right;
  padding-right: 0.75rem;
}

.heatmap-cell {
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}

.heatmap-cell[data-clickable="true"] {
  cursor: pointer;
}

.heatmap-cell[data-clickable="true"]:hover {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  z-index: 10;
  position: relative;
}

/* Heatmap colors */
.heatmap-cell.count-0 {
  background-color: var(--gray-light);
  color: var(--gray-medium);
}

.heatmap-cell.count-1 {
  background-color: #d4e8a8;
  color: var(--teal);
}

.heatmap-cell.count-2 {
  background-color: var(--lime);
  color: var(--teal);
}

.heatmap-cell.count-3 {
  background-color: #7db52f;
  color: var(--white);
}

.heatmap-cell.diagonal {
  background-color: var(--aqua);
  color: var(--white);
}

/* Heatmap Legend */
.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.heatmap-clear-btn {
  margin-left: 1rem;
  font-size: 0.9rem;
  padding: 0.4rem 1rem;
}

.legend-label {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  color: var(--teal);
  margin-right: 0.5rem;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  border-radius: 4px;
}

.legend-item.legend-0 {
  background-color: var(--gray-light);
  color: var(--gray-medium);
}

.legend-item.legend-1 {
  background-color: #d4e8a8;
  color: var(--teal);
}

.legend-item.legend-2 {
  background-color: var(--lime);
  color: var(--teal);
}

.legend-item.legend-3 {
  background-color: #7db52f;
  color: var(--white);
}

/* Heatmap responsive */
@media (max-width: 768px) {
  .heatmap-table th,
  .heatmap-table td {
    padding: 0.3rem;
    min-width: 35px;
    height: 35px;
    font-size: 0.7rem;
  }
  
  .col-header {
    height: 60px;
    font-size: 0.65rem;
  }
  
  .row-header {
    font-size: 0.65rem;
  }
}