/* ============================================
   ECHARTS DASHBOARD STYLE - Tags Page
   Data Visualization Inspired Design (Light Theme)
   ============================================ */

/* === CSS Variables - ECharts Light Theme === */
:root {
  /* ECharts Color Palette - Light */
  --echarts-bg: #F8FAFC;
  --echarts-surface: #FFFFFF;
  --echarts-surface-elevated: #F1F5F9;
  --echarts-border: #E2E8F0;
  --echarts-border-light: #CBD5E1;

  /* Primary Colors - Blue Series */
  --echarts-primary: #1E40AF;
  --echarts-primary-light: #3B82F6;
  --echarts-primary-glow: rgba(59, 130, 246, 0.15);

  /* Accent Colors */
  --echarts-accent: #F59E0B;
  --echarts-accent-light: #FBBF24;
  --echarts-success: #10B981;
  --echarts-danger: #EF4444;

  /* Text Colors */
  --echarts-text: #1E293B;
  --echarts-text-muted: #64748B;
  --echarts-text-dim: #94A3B8;

  /* Gradients */
  --echarts-gradient-primary: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
  --echarts-gradient-accent: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
  --echarts-gradient-bg: radial-gradient(ellipse at top, #FFFFFF 0%, #F8FAFC 100%);

  /* Shadows */
  --echarts-shadow-sm: 0 2px 8px rgba(30, 64, 175, 0.08);
  --echarts-shadow-md: 0 4px 16px rgba(30, 64, 175, 0.12);
  --echarts-shadow-lg: 0 8px 32px rgba(30, 64, 175, 0.15);
  --echarts-shadow-glow: 0 0 30px rgba(59, 130, 246, 0.1);
  --echarts-shadow-accent-glow: 0 0 30px rgba(245, 158, 11, 0.1);

  /* Typography */
  --echarts-font-heading: 'Fira Code', 'JetBrains Mono', monospace;
  --echarts-font-body: 'Fira Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --echarts-space-1: 8px;
  --echarts-space-2: 16px;
  --echarts-space-3: 24px;
  --echarts-space-4: 32px;
  --echarts-space-6: 48px;
  --echarts-space-8: 64px;

  /* Border Radius */
  --echarts-radius-sm: 4px;
  --echarts-radius-md: 8px;
  --echarts-radius-lg: 12px;
  --echarts-radius-xl: 16px;

  /* Transitions */
  --echarts-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --echarts-duration: 250ms;
}

/* === Google Fonts === */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Fira+Sans:wght@300;400;500;600;700&family=Exo:wght@300;400;500;600;700&display=swap');

/* === Base Styles === */
#tags {
  font-family: var(--echarts-font-body);
  background: var(--echarts-bg);
  color: var(--echarts-text);
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  padding: var(--echarts-space-6) var(--echarts-space-3);
}

/* Ambient background effect */
#tags::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(30, 64, 175, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Subtle grid pattern */
#tags::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(203, 213, 225, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203, 213, 225, 0.5) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* === Container === */
.tags-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
}

/* === Page Title === */
.tags-title {
  font-family: var(--echarts-font-heading);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--echarts-text);
  margin-bottom: var(--echarts-space-6);
  position: relative;
  text-align: center;
}

.tags-title span {
  color: var(--echarts-primary-light);
}

/* === Stats Dashboard === */
.tags-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--echarts-space-3);
  margin-bottom: var(--echarts-space-6);
  animation: fadeInUp 0.6s var(--echarts-ease) backwards;
}

.tag-stat-card {
  background: var(--echarts-surface);
  border: 1px solid var(--echarts-border);
  border-radius: var(--echarts-radius-lg);
  padding: var(--echarts-space-3);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--echarts-duration) var(--echarts-ease);
}

.tag-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--echarts-gradient-primary);
  opacity: 0;
  transition: opacity var(--echarts-duration) var(--echarts-ease);
}

.tag-stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--echarts-primary-light);
  box-shadow: var(--echarts-shadow-glow);
}

.tag-stat-card:hover::before {
  opacity: 1;
}

.tag-stat-card.accent::before {
  background: var(--echarts-gradient-accent);
}

.tag-stat-label {
  font-family: var(--echarts-font-heading);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--echarts-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--echarts-space-1);
}

.tag-stat-value {
  font-family: var(--echarts-font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--echarts-text);
}

.tag-stat-value.primary {
  color: var(--echarts-primary-light);
}

.tag-stat-value.accent {
  color: var(--echarts-accent);
}

/* === Tag Cloud === */
.tag-cloud-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--echarts-space-2);
  position: relative;
  z-index: 1;
  padding: var(--echarts-space-4);
  background: var(--echarts-surface);
  border: 1px solid var(--echarts-border);
  border-radius: var(--echarts-radius-xl);
  box-shadow: var(--echarts-shadow-sm);
}

/* Tag items */
.tag-cloud-list a {
  display: inline-block;
  padding: var(--echarts-space-1) var(--echarts-space-2);
  background: var(--echarts-surface-elevated);
  border: 1px solid var(--echarts-border);
  border-radius: var(--echarts-radius-md);
  font-family: var(--echarts-font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--echarts-text-muted);
  text-decoration: none;
  transition: all var(--echarts-duration) var(--echarts-ease);
  position: relative;
  overflow: hidden;
}

.tag-cloud-list a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--echarts-gradient-primary);
  opacity: 0;
  transition: opacity var(--echarts-duration) var(--echarts-ease);
  z-index: -1;
}

.tag-cloud-list a:hover {
  color: white;
  border-color: var(--echarts-primary);
  transform: translateY(-2px);
  box-shadow: var(--echarts-shadow-glow);
}

.tag-cloud-list a:hover::before {
  opacity: 1;
}

/* Different sizes for tag cloud */
.tag-cloud-list a.size-1 {
  font-size: 0.75rem;
  padding: 4px 8px;
}

.tag-cloud-list a.size-2 {
  font-size: 0.875rem;
  padding: 6px 12px;
}

.tag-cloud-list a.size-3 {
  font-size: 1rem;
  padding: 8px 16px;
}

.tag-cloud-list a.size-4 {
  font-size: 1.125rem;
  padding: 10px 20px;
}

.tag-cloud-list a.size-5 {
  font-size: 1.25rem;
  padding: 12px 24px;
}

/* Tag count badge */
.tag-count {
  display: inline-block;
  font-family: var(--echarts-font-heading);
  font-size: 0.625rem;
  font-weight: 600;
  padding: 2px 6px;
  background: var(--echarts-border);
  border-radius: 99px;
  margin-left: 4px;
  transition: all var(--echarts-duration) var(--echarts-ease);
}

.tag-cloud-list a:hover .tag-count {
  background: rgba(255, 255, 255, 0.3);
  color: white;
}

/* === Tag Categories Section === */
.tag-categories {
  margin-top: var(--echarts-space-6);
}

.tag-category-title {
  font-family: var(--echarts-font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--echarts-text);
  margin-bottom: var(--echarts-space-3);
  padding-bottom: var(--echarts-space-2);
  border-bottom: 2px solid var(--echarts-border);
}

/* === Animations === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Staggered animation */
.tag-stat-card:nth-child(1) { animation-delay: 0s; }
.tag-stat-card:nth-child(2) { animation-delay: 0.1s; }
.tag-stat-card:nth-child(3) { animation-delay: 0.2s; }

.tag-cloud-list {
  animation: fadeIn 0.6s var(--echarts-ease) 0.3s backwards;
}

/* Tag hover animations */
.tag-cloud-list a {
  animation: fadeInUp 0.4s var(--echarts-ease) backwards;
}

.tag-cloud-list a:nth-child(1) { animation-delay: 0.05s; }
.tag-cloud-list a:nth-child(2) { animation-delay: 0.1s; }
.tag-cloud-list a:nth-child(3) { animation-delay: 0.15s; }
.tag-cloud-list a:nth-child(4) { animation-delay: 0.2s; }
.tag-cloud-list a:nth-child(5) { animation-delay: 0.25s; }
.tag-cloud-list a:nth-child(6) { animation-delay: 0.3s; }
.tag-cloud-list a:nth-child(7) { animation-delay: 0.35s; }
.tag-cloud-list a:nth-child(8) { animation-delay: 0.4s; }
.tag-cloud-list a:nth-child(9) { animation-delay: 0.45s; }
.tag-cloud-list a:nth-child(10) { animation-delay: 0.5s; }
.tag-cloud-list a:nth-child(n+11) { animation-delay: 0.55s; }

/* === Responsive Design === */
@media (max-width: 768px) {
  #tags {
    padding: var(--echarts-space-4) var(--echarts-space-2);
  }

  .tags-stats {
    grid-template-columns: 1fr;
    gap: var(--echarts-space-2);
  }

  .tag-stat-value {
    font-size: 1.5rem;
  }

  .tag-cloud-list {
    padding: var(--echarts-space-3);
    gap: var(--echarts-space-1);
  }

  .tag-cloud-list a {
    padding: 6px 10px;
    font-size: 0.8125rem;
  }

  .tag-cloud-list a.size-4,
  .tag-cloud-list a.size-5 {
    font-size: 0.9375rem;
    padding: 8px 14px;
  }
}

/* === Focus States === */
.tag-cloud-list a:focus-visible {
  outline: 2px solid var(--echarts-primary-light);
  outline-offset: 2px;
}

/* ============================================
   ARTICLE POST TAGS - Swiss Modernism 2.0 Style
   Optimized for Article Detail Pages
   ============================================ */

/* === Post Tags Container === */
#post .tag_share .post-meta__tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* === Post Tags - Swiss Modernism 2.0 Style === */
#post .tag_share .post-meta__tags {
  /* Base styles */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 6px 16px;

  /* Swiss Modernism: Clean, minimal, precise */
  background: var(--echarts-surface);
  border: 1.5px solid var(--echarts-border);
  border-radius: 6px;

  /* Typography */
  font-family: 'Exo', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--echarts-text-muted);

  /* Interaction */
  cursor: pointer;
  transition: all 250ms cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  text-decoration: none;

  /* Subtle shadow */
  box-shadow: 0 1px 3px rgba(30, 64, 175, 0.06);
}

/* Hover effect - Swiss Modernism: Bold accent on hover */
#post .tag_share .post-meta__tags:hover {
  /* Transform */
  transform: translateY(-2px);

  /* Colors - Blue accent */
  background: var(--echarts-gradient-primary);
  border-color: var(--echarts-primary);

  /* Text */
  color: #ffffff;

  /* Shadow - elevation on hover */
  box-shadow:
    0 4px 12px rgba(30, 64, 175, 0.25),
    0 0 20px rgba(59, 130, 246, 0.15);
}

/* Focus state for accessibility */
#post .tag_share .post-meta__tags:focus-visible {
  outline: 2px solid var(--echarts-primary-light);
  outline-offset: 2px;
}

/* Active/Pressed state */
#post .tag_share .post-meta__tags:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(30, 64, 175, 0.2);
}

/* === Tag Icon (if present) === */
#post .tag_share .post-meta__tags i {
  margin-right: 5px;
  font-size: 0.875em;
}

/* === Tag Count (if present) === */
#post .tag_share .post-meta__tags .tag-count {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
}

/* === Dark Mode Support === */
[data-theme='dark'] #post .tag_share .post-meta__tags,
.dark-mode #post .tag_share .post-meta__tags,
#article-container.dark #post .tag_share .post-meta__tags {
  background: #1E293B;
  border-color: #334155;
  color: #94A3B8;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

[data-theme='dark'] #post .tag_share .post-meta__tags:hover,
.dark-mode #post .tag_share .post-meta__tags:hover,
#article-container.dark #post .tag_share .post-meta__tags:hover {
  background: var(--echarts-gradient-primary);
  border-color: var(--echarts-primary-light);
  color: #ffffff;
  box-shadow:
    0 4px 12px rgba(59, 130, 246, 0.3),
    0 0 20px rgba(59, 130, 246, 0.2);
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}