/* Cybersecurity Rank - Main Stylesheet
 * Colors based on the logo:
 * - Primary: #00e6ff (cyan/turquoise)
 * - Secondary: #001428 (dark blue/black)
 * - Accent: #005f80 (medium blue)
 * - Background: #0a121f (dark blue/black background)
 * - Text: #f5f5f5 (off-white)
 */

/* ---------- Base Styles ---------- */
:root {
  /* Common variables for both themes */
  --border-radius: 8px;
  --transition: all 0.3s ease;
  
  /* Dark theme variables (default) */
  --primary: #00e6ff;
  --primary-transparent: rgba(0, 230, 255, 0.1);
  --primary-dark: #00bfdd;
  --secondary: #001428;
  --accent: #005f80;
  --background: #0a121f;
  --background-light: #141f30;
  --text: #f5f5f5;
  --text-muted: #a0a0a0;
  --danger: #ff3860;
  --success: #23d160;
  --warning: #ffdd57;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Light theme variables */
[data-theme="light"] {
  --primary: #005f80;
  --primary-transparent: rgba(0, 95, 128, 0.1);
  --primary-dark: #004c66;
  --secondary: #e6f7fa;
  --accent: #00bfdd;
  --background: #f5f9fa;
  --background-light: #ffffff;
  --text: #333333;
  --text-muted: #666666;
  --danger: #e03c50;
  --success: #1ca64c;
  --warning: #e8c22e;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1rem;
  line-height: 1.2;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

button, .btn {
  cursor: pointer;
  display: inline-block;
  background-color: var(--primary);
  color: var(--secondary);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: bold;
  transition: var(--transition);
}

button:hover, .btn:hover {
  background-color: var(--primary-dark);
}

/* ---------- Header ---------- */
header {
  background-color: var(--secondary);
  padding: 1rem 0;
  border-bottom: 3px solid var(--primary);
  box-shadow: var(--box-shadow);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  height: 60px;
  width: auto;
}

.logo-small {
  height: 40px;
  width: auto;
}

.site-title h1 {
  font-size: 1.8rem;
  margin-bottom: 0.2rem;
  color: var(--primary);
}

.tagline {
  font-size: 0.9rem;
  color: var(--text-muted);
}

nav ul {
  display: flex;
  gap: 1.5rem;
}

nav a {
  color: var(--text);
  font-weight: 500;
  padding: 0.5rem;
  border-radius: var(--border-radius);
}

nav a:hover, nav a.active {
  color: var(--primary);
  background-color: rgba(0, 230, 255, 0.1);
}

/* ---------- Hero Section ---------- */
.hero {
  background-color: var(--background-light);
  padding: 3rem 0;
  text-align: center;
  margin-bottom: 2rem;
  background: linear-gradient(to bottom, var(--secondary), var(--background));
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(to right, var(--primary-transparent) 1px, transparent 1px),
    linear-gradient(to bottom, var(--primary-transparent) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.2;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto;
  color: var(--text-muted);
}

/* ---------- Data Visualization Section ---------- */
.data-visualization {
  padding: 2rem 0;
}

.chart-container, .map-container {
  background-color: var(--background-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--box-shadow);
  position: relative;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

/* Filter controls */
.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background-color: var(--primary-transparent);
  border-radius: var(--border-radius);
  align-items: center;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-select {
  background-color: var(--background-light);
  color: var(--text);
  border: 1px solid var(--primary);
  border-radius: var(--border-radius);
  padding: 0.4rem;
  min-width: 150px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-select:hover, .filter-select:focus {
  border-color: var(--primary-dark);
  outline: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--secondary);
}

.btn-secondary {
  background-color: var(--background);
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary-transparent);
}

.chart-header h3 {
  color: var(--primary);
  margin-bottom: 0;
}

.chart-controls {
  display: flex;
  gap: 1rem;
}

.chart-wrapper {
  height: 400px;
  position: relative;
}

.map-wrapper {
  height: 500px;  /* Increased height for better visibility */
  position: relative;
  margin-bottom: 20px;
}

#worldHeatMap {
  height: 100%;
  width: 100%;
  border-radius: var(--border-radius);
  z-index: 1;
}

/* Custom leaflet map theming */
.leaflet-container {
  background-color: var(--background);
}

[data-theme="dark"] .leaflet-layer,
[data-theme="dark"] .leaflet-control-zoom-in,
[data-theme="dark"] .leaflet-control-zoom-out,
[data-theme="dark"] .leaflet-control-attribution {
  filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

[data-theme="dark"] .leaflet-tile-pane { 
  opacity: 0.6;
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(10, 18, 31, 0.8);
  border-radius: var(--border-radius);
  color: var(--primary);
  font-size: 1.2rem;
  z-index: 10;
}

[data-theme="light"] .loading {
  background-color: rgba(255, 255, 255, 0.8);
}

.loading i {
  margin-right: 0.5rem;
}

.error-message {
  display: none;
  color: var(--danger);
  text-align: center;
  padding: 1rem;
  background-color: rgba(255, 56, 96, 0.1);
  border-radius: var(--border-radius);
  margin-top: 1rem;
}

/* ---------- Data Insights ---------- */
.data-insights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.insight-card {
  background-color: var(--background-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
  border-left: 4px solid var(--primary);
}

.insight-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.insight-card h4 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* ---------- Acknowledgements Section ---------- */
.acknowledgements-section {
  padding: 3rem 0;
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: var(--text-muted);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.partner-card {
  background-color: var(--background-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.partner-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.partner-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
  text-align: center;
}

.partner-card h3 {
  color: var(--primary);
  text-align: center;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--primary-transparent);
  padding-bottom: 0.5rem;
}

.partner-card ul {
  list-style: disc;
  padding-left: 1.5rem;
}

.partner-card li {
  margin-bottom: 0.5rem;
}

.technology-acknowledgements {
  background-color: var(--background-light);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--box-shadow);
  text-align: center;
}

.technology-acknowledgements h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

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

.tech-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tech-list i {
  color: var(--primary);
}

/* ---------- Footer ---------- */
footer {
  background-color: var(--secondary);
  padding: 2rem 0;
  margin-top: 3rem;
  border-top: 3px solid var(--primary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-links ul {
  display: flex;
  gap: 1.5rem;
}

/* ---------- Theme and Language Controls ---------- */
.controls-container {
  display: flex;
  gap: 1rem;
  margin-left: 1rem;
}

.theme-toggle {
  background-color: var(--background-light);
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--border-radius);
  padding: 0.4rem 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle:hover {
  background-color: var(--primary-transparent);
}

.theme-toggle i {
  font-size: 1rem;
}

.language-selector {
  background-color: var(--background-light);
  color: var(--text);
  border: 1px solid var(--primary);
  border-radius: var(--border-radius);
  padding: 0.4rem;
  cursor: pointer;
  transition: var(--transition);
}

.language-selector:hover {
  border-color: var(--primary-dark);
}

.language-selector option {
  background-color: var(--background-light);
  color: var(--text);
}

.loading[data-theme="light"] {
  background-color: rgba(255, 255, 255, 0.8);
}

/* ---------- Responsive Styles ---------- */
@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .chart-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-logo {
    justify-content: center;
  }
  
  .hero h2 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  nav {
    width: 100%;
  }
  
  nav ul {
    width: 100%;
    justify-content: space-around;
  }
  
  .controls-container {
    margin-top: 1rem;
    justify-content: center;
    margin-left: 0;
  }
}

@media (max-width: 500px) {
  .logo-container {
    flex-direction: column;
    text-align: center;
  }
  
  nav ul {
    gap: 0.8rem;
  }
  
  .tech-list {
    flex-direction: column;
    align-items: center;
  }
  
  .partners-grid {
    grid-template-columns: 1fr;
  }
  
  .controls-container {
    flex-wrap: wrap;
    justify-content: center;
  }
}