/* Himalayan Glaciers Dashboard Styles */
:root {
  /* Color palette based on ice/water theme */
  --primary-blue: #3498DB;
  --dark-blue: #2C5F8D;
  --light-blue: #B8E6F7;
  --danger-red: #E74C3C;
  --danger-dark: #C0392B;
  --text-dark: #2a3f5f;
  --text-light: #ffffff;
  --background-light: #f8f9fa;
  --card-bg: rgba(255, 255, 255, 0.95);
  --shadow: rgba(0, 0, 0, 0.1);
  --transition-speed: 0.3s;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-light);
  background-image: radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.05) 1px, transparent 0);
  background-size: 40px 40px;
  padding: 0;
  margin: 0;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0;
}

header {
  background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
  color: var(--text-light);
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 6px var(--shadow);
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

header p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 1.5rem;
  opacity: 0.9;
}

.main-nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.main-nav li {
  margin: 0 10px;
}

.main-nav a {
  color: var(--text-light);
  text-decoration: none;
  padding: 8px 15px;
  border-radius: 20px;
  background-color: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-speed) ease;
  display: inline-block;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.main-nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--light-blue);
  transform: translateY(3px);
  transition: transform var(--transition-speed) ease;
  z-index: -1;
}

.main-nav a:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.main-nav a:hover::before {
  transform: translateY(0);
}

.main-nav a:active {
  transform: translateY(0);
}

/* Specific colors for navigation links */
.main-nav li:nth-child(1) a::before {
  background: linear-gradient(90deg, var(--dark-blue), var(--primary-blue));
}

.main-nav li:nth-child(2) a::before {
  background: linear-gradient(90deg, var(--primary-blue), var(--light-blue));
}

.main-nav li:nth-child(3) a::before {
  background: linear-gradient(90deg, var(--danger-dark), var(--danger-red));
}

.main-nav li:nth-child(4) a::before {
  background: linear-gradient(90deg, #2980B9, #6DD5FA);
}

.main-nav li:nth-child(5) a::before {
  background: linear-gradient(90deg, #1CB5E0, #000851);
}

.main-nav li:nth-child(6) a::before {
  background: linear-gradient(90deg, var(--dark-blue), var(--primary-blue), var(--light-blue), var(--danger-red));
}

.main-nav li:nth-child(6) a {
  background-color: rgba(255, 255, 255, 0.2);
  font-weight: 500;
}

.dashboard-stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
  margin: 2rem auto;
  max-width: 1200px;
}

.stat-card {
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 10px;
  min-width: 200px;
  text-align: center;
  box-shadow: 0 4px 8px var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-blue);
}

.stat-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px var(--shadow);
}

.stat-card h2 {
  margin: 0;
  font-size: 2.5rem;
  color: var(--primary-blue);
}

.stat-card p {
  margin: 5px 0 0 0;
  font-size: 1rem;
  color: var(--text-dark);
  opacity: 0.8;
}

/* Different colors for each stat card */
.stat-card:nth-child(1)::before {
  background: linear-gradient(90deg, var(--dark-blue), var(--primary-blue));
}

.stat-card:nth-child(2)::before {
  background: linear-gradient(90deg, #1CB5E0, #000851);
}

.stat-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--danger-dark), var(--danger-red));
}

.stat-card:nth-child(1) h2 {
  color: var(--dark-blue);
}

.stat-card:nth-child(2) h2 {
  color: #1CB5E0;
}

.stat-card:nth-child(3) h2 {
  color: var(--danger-red);
}

.visualization-container {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 8px var(--shadow);
  position: relative;
  overflow: hidden;
}

.visualization-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--primary-blue);
}

/* Specific styling for each visualization type */
#glacier-distribution::before {
  background: linear-gradient(90deg, var(--dark-blue), var(--primary-blue));
}

#himalayan-dashboard::before {
  background: linear-gradient(90deg, var(--primary-blue), var(--light-blue));
}

#glof-timeline::before {
  background: linear-gradient(90deg, var(--danger-dark), var(--danger-red));
}

#glacier-temp::before {
  background: linear-gradient(90deg, #2980B9, #6DD5FA);
}

#lake-distribution::before {
  background: linear-gradient(90deg, #1CB5E0, #000851);
}

.visualization-container h2 {
  color: var(--dark-blue);
  margin-bottom: 1rem;
  font-size: 1.8rem;
}

iframe {
  width: 100%;
  height: 90vh;
  border: none;
  margin-bottom: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px var(--shadow);
  transition: all 0.3s ease;
  background-color: white;
}

iframe:hover {
  box-shadow: 0 4px 12px var(--shadow);
  transform: scale(1.005);
}

/* Special styling for specific visualizations */
#glacier-distribution iframe {
  height: 75vh;
  background-color: #f5f5f5;
}

#himalayan-dashboard iframe {
  height: 100vh;
  background-color: #f8f9fa;
}

#glof-timeline iframe {
  height: 600px;
  background-color: white;
}

#glacier-temp iframe {
  height: 55vh;
  background-color: #f0f8ff;
}

#lake-distribution iframe {
  height: 600px;
  background-color: white;
}

/* Documentation Section */
.documentation-section {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: 0 4px 8px var(--shadow);
  position: relative;
  overflow: hidden;
}

.documentation-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--dark-blue), var(--primary-blue), var(--light-blue), var(--danger-red));
}

.documentation-section h2 {
  color: var(--dark-blue);
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Accordion Styles */
.accordion {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

.accordion-item {
  margin-bottom: 1rem;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px var(--shadow);
}

.accordion-header {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(90deg, var(--dark-blue), var(--primary-blue));
  color: var(--text-light);
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-speed) ease;
}

.accordion-header::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 700;
}

.accordion-header.active::after {
  content: '−';
}

.accordion-header:hover {
  background: linear-gradient(90deg, var(--primary-blue), var(--dark-blue));
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  padding: 0 1rem;
  background-color: var(--card-bg);
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-content.active {
  max-height: 1000px;
  padding: 1rem;
  transition: max-height 0.5s ease, padding 0.3s ease;
}

.accordion-content h3 {
  color: var(--dark-blue);
  margin: 1.5rem 0 0.5rem;
  font-size: 1.2rem;
}

.accordion-content h3:first-child {
  margin-top: 0;
}

.accordion-content p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.accordion-content ul,
.accordion-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.accordion-content li {
  margin-bottom: 0.5rem;
}

/* Dark mode styles for accordion */
body.dark-mode .accordion-header {
  background: linear-gradient(90deg, #1a1a2e, var(--dark-blue));
}

body.dark-mode .accordion-header:hover {
  background: linear-gradient(90deg, var(--dark-blue), #1a1a2e);
}

body.dark-mode .accordion-content {
  background-color: var(--card-bg);
}

body.dark-mode .accordion-content h3 {
  color: var(--light-blue);
}

footer {
  background: var(--dark-blue);
  color: var(--text-light);
  text-align: center;
  padding: 1.5rem;
  margin-top: 2rem;
}

footer p {
  margin: 0;
  font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
  .dashboard-stats {
    flex-direction: column;
    align-items: center;
  }
  
  .stat-card {
    width: 90%;
  }
  
  header h1 {
    font-size: 2rem;
  }
  
  iframe {
    height: 70vh;
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: center;
  }
  
  .main-nav li {
    margin: 5px 0;
    width: 80%;
  }
  
  .main-nav a {
    display: block;
    text-align: center;
  }
  
  .documentation-section {
    padding: 1.5rem 1rem;
  }
  
  .accordion {
    width: 100%;
  }
  
  .accordion-header {
    padding: 0.8rem;
    font-size: 1rem;
  }
  
  .accordion-content {
    padding: 0 0.8rem;
  }
  
  .accordion-content.active {
    padding: 0.8rem;
  }
  
  .accordion-content h3 {
    font-size: 1.1rem;
  }
}

/* Animations */
.stat-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.stat-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.visualization-container {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.visualization-container.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Dark mode toggle */
.dark-mode-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--dark-blue);
  color: var(--text-light);
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 2px 10px var(--shadow);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.dark-mode-toggle:hover {
  transform: scale(1.1);
}

.dark-mode-toggle:active {
  transform: scale(0.95);
}

/* Dark mode styles */
body.dark-mode {
  --background-light: #121212;
  --card-bg: rgba(30, 30, 45, 0.95);
  --text-dark: #e0e0e0;
  --shadow: rgba(0, 0, 0, 0.3);
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.03) 1px, transparent 0);
}

body.dark-mode .stat-card {
  background: var(--card-bg);
}

body.dark-mode .stat-card:nth-child(1) h2 {
  color: var(--light-blue);
}

body.dark-mode .stat-card:nth-child(2) h2 {
  color: #6DD5FA;
}

body.dark-mode .stat-card:nth-child(3) h2 {
  color: var(--danger-red);
}

body.dark-mode .stat-card p {
  color: var(--text-light);
}

body.dark-mode .visualization-container {
  background: var(--card-bg);
}

body.dark-mode .visualization-container h2 {
  color: var(--light-blue);
}

body.dark-mode iframe {
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

body.dark-mode .dark-mode-toggle {
  background: #2a2a4a;
}

/* Dark mode support for browsers */
@media (prefers-color-scheme: dark) {
  :root {
    --background-light: #1a1a2e;
    --card-bg: rgba(30, 30, 60, 0.9);
    --text-dark: #e0e0e0;
    --shadow: rgba(0, 0, 0, 0.3);
  }
  
  .stat-card {
    background: var(--card-bg);
  }
  
  .stat-card h2 {
    color: var(--primary-blue);
  }
  
  .stat-card p {
    color: var(--text-light);
  }
  
  .visualization-container {
    background: var(--card-bg);
  }
  
  .visualization-container h2 {
    color: var(--primary-blue);
  }
}