/* ============================================
   HanseBrief - Global Trade Intelligence
   Professional Financial News Style
   ============================================ */

/* CSS Variables */
:root {
  /* Primary Colors */
  --color-primary: #1a2332;
  --color-primary-light: #2a3a52;
  --color-primary-dark: #0f1520;
  
  /* Accent Colors */
  --color-accent: #c8a45c;
  --color-accent-light: #d4b876;
  --color-accent-dark: #a8893f;
  
  /* Background Colors */
  --color-bg: #ffffff;
  --color-bg-secondary: #f8f9fb;
  --color-bg-tertiary: #f0f2f5;
  
  /* Text Colors */
  --color-text: #1a2332;
  --color-text-secondary: #5a6a7e;
  --color-text-muted: #8a9ab0;
  --color-text-inverse: #ffffff;
  
  /* Border Colors */
  --color-border: #e2e6ed;
  --color-border-light: #f0f2f5;
  
  /* Status Colors */
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 35, 50, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(26, 35, 50, 0.08), 0 2px 4px -2px rgba(26, 35, 50, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(26, 35, 50, 0.1), 0 4px 6px -4px rgba(26, 35, 50, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(26, 35, 50, 0.1), 0 8px 10px -6px rgba(26, 35, 50, 0.05);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-tooltip: 600;
}

/* Dark Mode Variables */
body.dark {
  --color-primary: #e8ecf2;
  --color-primary-light: #d0d8e4;
  --color-primary-dark: #f0f4f8;
  
  --color-accent: #d4b876;
  --color-accent-light: #e0c98a;
  --color-accent-dark: #c8a45c;
  
  --color-bg: #0d1117;
  --color-bg-secondary: #161b22;
  --color-bg-tertiary: #21262d;
  
  --color-text: #e8ecf2;
  --color-text-secondary: #8b949e;
  --color-text-muted: #6e7681;
  --color-text-inverse: #0d1117;
  
  --color-border: #30363d;
  --color-border-light: #21262d;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-fixed);
  transition: background-color var(--transition-base);
}

body.dark .navbar {
  background: rgba(13, 17, 23, 0.9);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .navbar-inner {
    padding: 0 var(--space-6);
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
}

body.dark .logo {
  color: var(--color-text);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: var(--text-sm);
}

.nav-links {
  display: none;
  list-style: none;
  gap: var(--space-1);
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background: var(--color-bg-secondary);
}

body.dark .nav-links a:hover,
body.dark .nav-links a.active {
  color: var(--color-text);
  background: var(--color-bg-tertiary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

.theme-toggle .icon-moon { display: none; }
body.dark .theme-toggle .icon-sun { display: none; }
body.dark .theme-toggle .icon-moon { display: block; }

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-1);
  gap: var(--space-1);
}

.lang-btn {
  padding: var(--space-1) var(--space-2);
  border: none;
  background: transparent;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

body.dark .lang-btn.active {
  background: var(--color-accent);
  color: var(--color-primary);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: var(--z-fixed);
  padding: var(--space-4);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu a {
  display: block;
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

/* ============================================
   Ticker Tape
   ============================================ */
.ticker-wrap {
  background: var(--color-primary);
  height: 36px;
  overflow: hidden;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
}

body.dark .ticker-wrap {
  background: var(--color-bg-tertiary);
}

.ticker {
  display: flex;
  align-items: center;
  height: 100%;
  animation: ticker-scroll 60s linear infinite;
  white-space: nowrap;
}

@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker:hover {
  animation-play-state: paused;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-inverse);
}

body.dark .ticker-item {
  color: var(--color-text);
}

.ticker-label {
  padding: var(--space-1) var(--space-2);
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.ticker-value {
  font-weight: 600;
  font-family: var(--font-mono);
}

.ticker-change {
  font-size: var(--text-xs);
  font-weight: 500;
}

.ticker-change.positive { color: #4ade80; }
.ticker-change.negative { color: #f87171; }

/* Main Content Offset */
.main-content {
  padding-top: 100px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: var(--space-12) 0;
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

body.dark .hero {
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

.hero-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 2fr 1fr;
    gap: var(--space-8);
  }
}

.hero-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

body.dark .hero-title {
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--text-5xl);
  }
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  max-width: 600px;
}

.hero-cards {
  display: grid;
  gap: var(--space-4);
}

.hero-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  transition: all var(--transition-base);
  cursor: pointer;
}

.hero-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.hero-card-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
}

.hero-card-tag.policy {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.hero-card-tag.tariff {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.hero-card-tag.market {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.hero-card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.hero-card-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.hero-card-level {
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

/* Exchange Rate Mini Card */
.exchange-mini {
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  color: var(--color-text-inverse);
}

body.dark .exchange-mini {
  background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-secondary) 100%);
  color: var(--color-text);
}

.exchange-mini-title {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-4);
  opacity: 0.8;
}

.exchange-mini-rate {
  font-size: var(--text-3xl);
  font-weight: 700;
  font-family: var(--font-mono);
  margin-bottom: var(--space-2);
}

.exchange-mini-change {
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.exchange-mini-change.up { color: #4ade80; }
.exchange-mini-change.down { color: #f87171; }

/* ============================================
   Content Grid
   ============================================ */
.content-grid {
  display: grid;
  gap: var(--space-6);
  padding: var(--space-8) 0;
}

@media (min-width: 1024px) {
  .content-grid {
    grid-template-columns: 2fr 1fr;
    gap: var(--space-8);
  }
}

/* Section Headers */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-border);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
}

.section-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* News List */
.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.news-item {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

@media (min-width: 640px) {
  .news-item {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

.news-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.news-item-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.news-item-tag.policy {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.news-item-tag.tariff {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.news-item-tag.market {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.news-item-tag.compliance {
  background: rgba(168, 85, 247, 0.1);
  color: #a855f7;
}

.news-item-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.news-item-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.news-item-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.bilingual-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
}

.level-badge {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}

.level-badge.l0 { border-left: 3px solid #3b82f6; }
.level-badge.l1 { border-left: 3px solid var(--color-accent); }
.level-badge.l2 { border-left: 3px solid #a855f7; }

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.sidebar-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
}

body.dark .sidebar-card {
  background: var(--color-bg-secondary);
}

.sidebar-card-title {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-accent);
}

/* Exchange Rate Table */
.exchange-table {
  width: 100%;
}

.exchange-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.exchange-row:last-child {
  border-bottom: none;
}

.exchange-pair {
  font-weight: 600;
  font-size: var(--text-sm);
}

.exchange-value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
}

.exchange-change {
  font-size: var(--text-xs);
  font-weight: 500;
}

.exchange-change.up { color: var(--color-success); }
.exchange-change.down { color: var(--color-danger); }

/* Hot HS Codes */
.hs-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.hs-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hs-item:hover {
  background: var(--color-bg-tertiary);
}

.hs-code {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-accent);
}

.hs-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Trade Index */
.index-chart {
  height: 120px;
  display: flex;
  align-items: flex-end;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
}

.index-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  border-radius: var(--space-1) var(--space-1) 0 0;
  transition: height var(--transition-slow);
}

.index-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  font-family: var(--font-mono);
}

.index-change {
  font-size: var(--text-sm);
}

/* ============================================
   Filter Tabs
   ============================================ */
.filter-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  -webkit-overflow-scrolling: touch;
}

.filter-tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

body.dark .filter-tab.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

/* ============================================
   Data Cards
   ============================================ */
.data-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .data-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.data-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-base);
}

.data-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.data-card-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.data-card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.data-card-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-accent);
}

.data-card-change {
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

.data-card-change.up { color: var(--color-success); }
.data-card-change.down { color: var(--color-danger); }

/* ============================================
   Tools Section
   ============================================ */
.tools-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tools-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tool-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
}

.tool-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.tool-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: var(--text-2xl);
}

body.dark .tool-icon {
  background: var(--color-bg-tertiary);
}

.tool-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.tool-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ============================================
   Calculator
   ============================================ */
.calculator {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  max-width: 600px;
  margin: 0 auto;
}

.calc-form {
  display: grid;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.form-input {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-mono);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200, 164, 92, 0.1);
}

body.dark .form-input {
  background: var(--color-bg-secondary);
}

.form-row {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.calc-result {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  color: var(--color-text-inverse);
  margin-top: var(--space-4);
}

body.dark .calc-result {
  background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
  color: var(--color-text);
}

.calc-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark .calc-result-row {
  border-bottom-color: var(--color-border);
}

.calc-result-row:last-child {
  border-bottom: none;
}

.calc-result-label {
  font-size: var(--text-sm);
  opacity: 0.8;
}

.calc-result-value {
  font-size: var(--text-lg);
  font-weight: 700;
  font-family: var(--font-mono);
}

.calc-result-value.highlight {
  font-size: var(--text-2xl);
  color: var(--color-accent);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

body.dark .btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

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

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ============================================
   Reports
   ============================================ */
.reports-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .reports-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .reports-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.report-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.report-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.report-cover {
  height: 160px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: var(--text-4xl);
}

body.dark .report-cover {
  background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
}

.report-content {
  padding: var(--space-5);
}

.report-category {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
}

.report-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.report-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.report-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.report-price {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.report-price.free {
  color: var(--color-success);
}

.report-badge {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: white;
  border-radius: var(--radius-sm);
}

/* ============================================
   Pricing Table
   ============================================ */
.pricing-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured::before {
  content: attr(data-popular);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: var(--space-1) var(--space-4);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: white;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-name {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.pricing-price {
  font-size: var(--text-4xl);
  font-weight: 800;
  font-family: var(--font-mono);
  margin-bottom: var(--space-1);
}

.pricing-price span {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-6);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.pricing-features li::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
}

.pricing-features li.disabled {
  opacity: 0.5;
}

.pricing-features li.disabled::before {
  content: "✗";
  color: var(--color-text-muted);
}

/* ============================================
   FAQ Accordion
   ============================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: left;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

.faq-question:hover {
  background: var(--color-bg-secondary);
}

.faq-icon {
  font-size: var(--text-xl);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer-inner {
  padding: 0 var(--space-5) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ============================================
   About Page
   ============================================ */
.about-hero {
  text-align: center;
  padding: var(--space-12) 0;
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-section {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border);
}

.about-section:last-child {
  border-bottom: none;
}

.about-section h2 {
  margin-bottom: var(--space-4);
  color: var(--color-accent);
}

.about-section p {
  font-size: var(--text-lg);
  line-height: 1.8;
}

.team-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

@media (min-width: 768px) {
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.team-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
}

.team-avatar {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-2xl);
  font-weight: 700;
}

.team-name {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.team-role {
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.team-bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.contact-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  padding: var(--space-12) 0;
  text-align: center;
  margin: var(--space-12) 0;
  border-radius: var(--radius-xl);
}

body.dark .cta-section {
  background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
}

.cta-section h2 {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-3);
}

body.dark .cta-section h2 {
  color: var(--color-text);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-6);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

body.dark .cta-section p {
  color: var(--color-text-secondary);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-primary);
  padding: var(--space-12) 0 var(--space-6);
  color: var(--color-text-inverse);
}

body.dark .footer {
  background: var(--color-bg-secondary);
  color: var(--color-text);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .logo {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
}

body.dark .footer-brand .logo {
  color: var(--color-text);
}

.footer-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

body.dark .footer-desc {
  color: var(--color-text-secondary);
}

.footer-title {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-4);
  color: var(--color-text-inverse);
}

body.dark .footer-title {
  color: var(--color-text);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

body.dark .footer-links a {
  color: var(--color-text-secondary);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}

body.dark .footer-bottom {
  border-top-color: var(--color-border);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
}

body.dark .footer-copyright {
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-4);
}

.footer-legal a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
}

body.dark .footer-legal a {
  color: var(--color-text-muted);
}

/* ============================================
   Search Input
   ============================================ */
.search-box {
  position: relative;
  margin-bottom: var(--space-6);
}

.search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: var(--space-10);
  font-size: var(--text-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200, 164, 92, 0.1);
}

body.dark .search-input {
  background: var(--color-bg-secondary);
}

.search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

/* ============================================
   Page Header
   ============================================ */
.page-header {
  padding: var(--space-8) 0 var(--space-6);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.page-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-muted { color: var(--color-text-muted); }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none !important; }

/* Loading Spinner */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.4s ease forwards;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  padding: var(--space-4) var(--space-6);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-slow);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

body.dark .toast {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}


/* ============================================
   Paywall & Premium Content
   ============================================ */
.paywall-overlay {
  position: relative;
}

.paywall-overlay::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  pointer-events: none;
}

body.dark .paywall-overlay::after {
  background: linear-gradient(to bottom, transparent, var(--color-bg));
}

.paywall-content {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  margin-top: var(--space-4);
}

.paywall-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
}

.paywall-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.paywall-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.paywall-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.paywall-feature {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--color-bg);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.paywall-feature svg {
  width: 14px;
  height: 14px;
  color: var(--color-success);
}

.locked-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: rgba(200, 164, 92, 0.1);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 600;
}

/* ============================================
   Login Modal
   ============================================ */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  width: 90%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

.modal-body {
  padding: var(--space-5);
}

.modal-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.modal-tab {
  flex: 1;
  padding: var(--space-3);
  border: none;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
}

.modal-tab.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

body.dark .modal-tab.active {
  background: var(--color-accent);
  color: var(--color-primary);
}

.form-divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: var(--space-4) 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.form-divider::before,
.form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.social-login-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.social-login-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-bg-secondary);
}

.social-login-btn svg {
  width: 18px;
  height: 18px;
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.user-avatar:hover {
  transform: scale(1.05);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--space-2);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.user-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.user-dropdown-name {
  font-weight: 600;
  font-size: var(--text-sm);
}

.user-dropdown-email {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.user-dropdown-plan {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-top: var(--space-1);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: none;
  background: transparent;
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
}

.user-dropdown-item:hover {
  background: var(--color-bg-secondary);
}

.user-dropdown-item.danger {
  color: var(--color-danger);
}

/* ============================================
   Email Subscription CTA
   ============================================ */
.email-subscribe {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
}

body.dark .email-subscribe {
  background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
}

.email-subscribe h3 {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-2);
}

body.dark .email-subscribe h3 {
  color: var(--color-text);
}

.email-subscribe p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

body.dark .email-subscribe p {
  color: var(--color-text-secondary);
}

.email-subscribe-form {
  display: flex;
  gap: var(--space-2);
  max-width: 400px;
  margin: 0 auto;
}

.email-subscribe-form input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: white;
  font-size: var(--text-sm);
}

body.dark .email-subscribe-form input {
  background: var(--color-bg);
  border-color: var(--color-border);
  color: var(--color-text);
}

.email-subscribe-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

body.dark .email-subscribe-form input::placeholder {
  color: var(--color-text-muted);
}

.email-subscribe-form input:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* ============================================
   Affiliate Tools Section
   ============================================ */
.affiliate-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .affiliate-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .affiliate-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.affiliate-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  transition: all var(--transition-base);
}

.affiliate-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.affiliate-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
}

.affiliate-name {
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.affiliate-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

/* ============================================
   Ad Placeholders
   ============================================ */
.ad-placeholder {
  background: var(--color-bg-secondary);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.ad-300x250 {
  width: 300px;
  height: 250px;
  margin: 0 auto;
}

.ad-728x90 {
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: var(--space-6) auto;
}

.ad-native {
  width: 100%;
  min-height: 120px;
  padding: var(--space-4);
}

/* Hide ads for premium users */
body.premium .ad-placeholder,
body.professional .ad-placeholder,
body.enterprise .ad-placeholder {
  display: none;
}

/* ============================================
   Pricing Plan Highlights
   ============================================ */
.plan-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-4);
}

.plan-highlight {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.9);
}

body.dark .plan-highlight {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

.plan-highlight svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent);
}

/* Annual discount badge */
.annual-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  background: var(--color-success);
  color: white;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
  margin-left: var(--space-2);
}

/* ============================================
   Premium Badge
   ============================================ */
.premium-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #1a1a1a;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.pro-badge {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: white;
}

.enterprise-badge {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  color: white;
}

/* ============================================
   Feature Access Icons
   ============================================ */
.access-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 12px;
}

.access-icon.yes {
  background: var(--color-success);
  color: white;
}

.access-icon.no {
  background: var(--color-text-muted);
  color: white;
}

.access-icon.limited {
  background: var(--color-warning);
  color: white;
}


/* ============================================
   AI Chatbot Component
   ============================================ */

/* Chat Button */
.chat-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  z-index: var(--z-fixed);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: breathe 2s ease-in-out infinite;
}

.chat-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
  animation: none;
}

.chat-btn svg {
  width: 28px;
  height: 28px;
  fill: white;
  transition: fill 0.3s ease;
}

.chat-btn-tooltip {
  position: absolute;
  right: 70px;
  background: var(--color-primary);
  color: white;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.chat-btn:hover .chat-btn-tooltip {
  opacity: 1;
}

@keyframes breathe {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  }
  50% {
    box-shadow: 0 4px 30px rgba(26, 35, 50, 0.4);
  }
}

/* Chat Window */
.chat-window {
  position: fixed;
  bottom: 100px;
  right: 24px;
  width: 360px;
  height: 480px;
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  z-index: var(--z-fixed);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.8);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
}

.chat-window.open {
  transform: scale(1);
  opacity: 1;
  visibility: visible;
}

/* Chat Header */
.chat-header {
  background: var(--color-primary);
  color: white;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-header-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-header-icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-header-icon svg {
  width: 18px;
  height: 18px;
  fill: white;
}

.chat-header-text h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  margin: 0;
  color: white;
}

.chat-header-text span {
  font-size: var(--text-xs);
  opacity: 0.8;
}

.chat-close {
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.chat-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.chat-close svg {
  width: 16px;
  height: 16px;
  stroke: white;
  stroke-width: 2;
}

/* Chat Messages */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--color-bg-secondary);
}

.chat-message {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
  animation: fadeInUp 0.3s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-message.user {
  background: var(--color-primary);
  color: white;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-message.bot {
  background: var(--color-bg);
  color: var(--color-text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  box-shadow: var(--shadow-sm);
}

.chat-message.welcome {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

/* Typing Animation */
.typing-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
  box-shadow: var(--shadow-sm);
}

.typing-dot {
  width: 8px;
  height: 8px;
  background: var(--color-text-muted);
  border-radius: 50%;
  animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingBounce {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-6px);
  }
}

/* Chat Input */
.chat-input-area {
  padding: 16px;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 10px;
}

.chat-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  background: var(--color-bg-secondary);
  color: var(--color-text);
  transition: border-color 0.2s ease;
}

.chat-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.chat-input::placeholder {
  color: var(--color-text-muted);
}

.chat-send-btn {
  width: 44px;
  height: 44px;
  border: none;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.chat-send-btn:hover {
  background: var(--color-primary-light);
  transform: scale(1.05);
}

.chat-send-btn:disabled {
  background: var(--color-text-muted);
  cursor: not-allowed;
  transform: none;
}

.chat-send-btn svg {
  width: 18px;
  height: 18px;
  fill: white;
}

/* Dark Mode for Chatbot */
body.dark .chat-message.bot {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

body.dark .chat-messages {
  background: var(--color-bg-secondary);
}

body.dark .chat-input-area {
  background: var(--color-bg);
  border-top-color: var(--color-border);
}

body.dark .typing-indicator {
  background: var(--color-bg-tertiary);
}

/* Mobile Responsive */
@media (max-width: 480px) {
  .chat-window {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    border-radius: 0;
  }

  .chat-btn {
    bottom: 16px;
    right: 16px;
    width: 56px;
    height: 56px;
  }

  .chat-btn-tooltip {
    display: none;
  }

  .chat-header {
    padding: 12px 16px;
  }

  .chat-messages {
    padding: 12px;
  }

  .chat-input-area {
    padding: 12px;
  }
}

/* FAQ Page Styles */
.faq-page {
  padding: var(--space-16) 0;
}

.faq-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.faq-header h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.faq-header p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

.faq-categories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-10);
}

.faq-category-btn {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.faq-category-btn:hover,
.faq-category-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.faq-sections {
  max-width: 800px;
  margin: 0 auto;
}

.faq-section {
  margin-bottom: var(--space-8);
}

.faq-section-title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-accent);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border: none;
  background: transparent;
  text-align: left;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  transition: background 0.2s ease;
}

.faq-question:hover {
  background: var(--color-bg-tertiary);
}

.faq-question-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 var(--space-5) var(--space-4);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.faq-cta {
  text-align: center;
  margin-top: var(--space-12);
  padding: var(--space-8);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
}

.faq-cta h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.faq-cta p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
}

/* Dark mode FAQ */
body.dark .faq-item {
  background: var(--color-bg-tertiary);
}

body.dark .faq-question:hover {
  background: var(--color-bg-secondary);
}

body.dark .faq-cta {
  background: var(--color-bg-tertiary);
}

/* AI Assistant Tip */
.ai-assistant-tip {
  text-align: center;
  padding: 1.5rem;
  margin-top: 2rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  border-radius: 12px;
  border: 1px dashed rgba(59, 130, 246, 0.3);
}

.ai-assistant-tip span {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.ai-assistant-tip strong {
  color: var(--color-primary);
  font-weight: 600;
}

body.dark .ai-assistant-tip {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
  border-color: rgba(59, 130, 246, 0.4);
}

body.dark .ai-assistant-tip span {
  color: var(--color-text-muted);
}

body.dark .ai-assistant-tip strong {
  color: var(--color-accent);
}