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

:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  
  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-card: rgba(255, 255, 255, 0.05);
  --text-primary: #ffffff;
  --text-secondary: #b8b8d1;
  --text-accent: #00f2fe;
  
  --border-radius: 16px;
  --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.4);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Animation */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
  z-index: -1;
  animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header Styles */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.logo h1 {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.country-selector {
  position: relative;
}

.country-dropdown {
  background: rgba(26, 26, 46, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  min-width: 180px;
}

.country-dropdown option {
  background: #1a1a2e;
  color: #ffffff;
  padding: 8px 12px;
  border: none;
}

.country-dropdown option:hover {
  background: #2d2d4a;
}

.country-dropdown:hover {
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
  background: rgba(26, 26, 46, 1);
}

.country-dropdown:focus {
  outline: none;
  border-color: var(--text-accent);
  box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.2);
  background: rgba(26, 26, 46, 1);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 48px 0;
}

.intro-section {
  text-align: center;
  margin-bottom: 64px;
}

.main-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

/* Favorites Grid */
.favorites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}

.site-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 24px;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transform: translateY(0);
}

.site-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: var(--transition);
}

.site-card:hover::before {
  transform: scaleX(1);
}

.site-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-hover);
}

.site-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
}

.site-icon img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: contain;
}

.fallback-icon {
  font-size: 24px;
  color: var(--text-secondary);
}

.site-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.site-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.site-category {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.1);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Stats Section */
.stats-section {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 48px;
  padding: 32px;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Footer */
.footer {
  text-align: center;
  padding: 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
}

/* Loading Animation */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 15, 35, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top: 3px solid var(--text-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-overlay p {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .header {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }
  
  .main-title {
    font-size: 2.5rem;
  }
  
  .favorites-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .stats-section {
    flex-direction: column;
    gap: 24px;
  }
  
  .logo h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .main-title {
    font-size: 2rem;
  }
  
  .subtitle {
    font-size: 1.1rem;
  }
  
  .site-card {
    padding: 20px;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.slide-up {
  animation: slideUp 0.6s ease-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Navigation Links for About Page */
.nav-links {
  display: flex;
  gap: 24px;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
  color: var(--text-accent);
  background: rgba(0, 242, 254, 0.1);
}

/* About Page Styles */
.about-section {
  max-width: 1000px;
  margin: 0 auto;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 32px;
}

.about-text h3 {
  color: var(--text-accent);
  margin: 24px 0 16px 0;
  font-size: 1.5rem;
}

.about-text ul {
  list-style: none;
  padding: 0;
}

.about-text li {
  margin: 12px 0;
  padding-left: 8px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 24px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.3);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h4 {
  color: var(--text-primary);
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    justify-content: center;
  }
}