:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-active: #3b82f6;
  
  --text-main: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-violet: #8b5cf6;
  
  --pro-bg: rgba(16, 185, 129, 0.1);
  --pro-border: rgba(16, 185, 129, 0.3);
  --pro-text: #34d399;
  
  --contra-bg: rgba(244, 63, 94, 0.1);
  --contra-border: rgba(244, 63, 94, 0.3);
  --contra-text: #fb7185;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px 0 rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 32px 0 rgba(0, 0, 0, 0.5);
  
  --blur-glass: blur(16px);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(248, 250, 252, 0.95);
  
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.14);
  --border-active: #2563eb;
  
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-blue: #2563eb;
  --accent-cyan: #0891b2;
  --accent-amber: #d97706;
  --accent-emerald: #059669;
  --accent-rose: #e11d48;
  --accent-violet: #7c3aed;
  
  --pro-bg: rgba(16, 185, 129, 0.08);
  --pro-border: rgba(16, 185, 129, 0.25);
  --pro-text: #059669;
  
  --contra-bg: rgba(225, 29, 72, 0.08);
  --contra-border: rgba(225, 29, 72, 0.25);
  --contra-text: #e11d48;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px 0 rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 32px 0 rgba(0, 0, 0, 0.12);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--bg-card);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
}

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

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.logo-badge {
  background: linear-gradient(135deg, #f97316 0%, #e11d48 100%);
  color: white;
  font-weight: 800;
  font-size: 14px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.logo-text h1 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
}

.logo-text span {
  font-size: 12px;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.theme-toggle-btn:active {
  transform: scale(0.96);
}

/* Hero Section */
.hero-section {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--accent-blue);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-main) 60%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 820px;
  margin-bottom: 32px;
  line-height: 1.55;
}

/* Stats Row */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}

.stat-val {
  font-size: 28px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-main);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Quick Search Bar */
.search-container {
  margin-top: 12px;
  position: relative;
  max-width: 600px;
}

.search-input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 14px 18px 14px 44px;
  font-size: 15px;
  color: var(--text-main);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
  pointer-events: none;
}

/* Navigation Tabs */
.tabs-nav {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 0 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

/* Tab Contents */
.tab-pane {
  display: none;
  padding: 40px 0 60px;
}

.tab-pane.active {
  display: block;
}

/* Section Titles */
.section-header {
  margin-bottom: 28px;
}

.section-title {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 750px;
}

/* Category Filter Chips */
.filter-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.chip-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.chip-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
}

.chip-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #ffffff;
}

/* Pro / Contra Grid & Cards */
.battle-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
}

.battle-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.battle-title {
  font-size: 20px;
  font-weight: 700;
}

.battle-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.battle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.quote-column {
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.quote-column.contra {
  background: var(--contra-bg);
  border: 1px solid var(--contra-border);
}

.quote-column.pro {
  background: var(--pro-bg);
  border: 1px solid var(--pro-border);
}

.column-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.column-header.contra {
  color: var(--contra-text);
}

.column-header.pro {
  color: var(--pro-text);
}

.quote-item {
  background: var(--bg-card);
  backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.55;
  position: relative;
}

.quote-item:last-child {
  margin-bottom: 0;
}

.quote-text {
  font-style: italic;
  margin-bottom: 10px;
  color: var(--text-main);
  white-space: pre-line;
}

.quote-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.quote-author {
  font-weight: 600;
  color: var(--text-secondary);
}

.quote-reactions {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

/* Country Cards Grid */
.countries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.country-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.country-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.country-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.country-name {
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.country-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.country-summary {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.country-lists {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  margin-bottom: 20px;
  flex-grow: 1;
}

.list-block strong {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.list-block.pros strong {
  color: var(--pro-text);
}

.list-block.cons strong {
  color: var(--contra-text);
}

.list-block ul {
  padding-left: 18px;
  color: var(--text-secondary);
}

.list-block li {
  margin-bottom: 4px;
}

.country-verdict {
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-main);
  border-left: 3px solid var(--accent-blue);
}

/* Insight Cards */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

.insight-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.insight-num {
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-blue);
  font-family: var(--font-mono);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.insight-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.insight-body {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
  flex-grow: 1;
}

.insight-callout {
  margin-top: 14px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  color: var(--accent-blue);
  font-weight: 500;
}

/* Story Highlight */
.story-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.story-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.story-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}

.story-meta h4 {
  font-size: 17px;
  font-weight: 700;
}

.story-meta span {
  font-size: 13px;
  color: var(--text-muted);
}

.story-quote {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-main);
  background: var(--bg-card);
  border-left: 3px solid var(--accent-blue);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 14px;
  white-space: pre-line;
}

/* Interactive Matrix Table */
.table-wrapper {
  overflow-x: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-top: 20px;
}

table.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

table.comparison-table th, 
table.comparison-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

table.comparison-table th {
  background: var(--bg-tertiary);
  font-weight: 700;
  color: var(--text-main);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

table.comparison-table tr:hover td {
  background: var(--bg-card-hover);
}

.score-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.score-good {
  background: rgba(16, 185, 129, 0.15);
  color: var(--pro-text);
}

.score-mid {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.score-bad {
  background: rgba(244, 63, 94, 0.15);
  color: var(--contra-text);
}

/* Footer */
footer.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 28px;
  }
  .battle-grid {
    grid-template-columns: 1fr;
  }
  .tabs-nav {
    padding-bottom: 8px;
  }
}