/*
Theme Name: AI Tools Directory
Theme URI: https://yoursite.com
Author: Your Name
Author URI: https://yoursite.com
Description: A modern, fast, SEO-optimized AI tools directory theme inspired by Futurepedia and Product Hunt. Built for AdSense monetization and high organic traffic.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ai-tools-directory
Tags: directory, ai-tools, seo, adsense, dark-mode, responsive
*/

/* =============================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================= */
:root {
  --color-bg: #0a0a0f;
  --color-bg-secondary: #111118;
  --color-bg-card: #16161f;
  --color-bg-card-hover: #1e1e2a;
  --color-border: #2a2a3a;
  --color-border-light: #1e1e2e;

  --color-primary: #6c63ff;
  --color-primary-hover: #574fd6;
  --color-primary-glow: rgba(108, 99, 255, 0.25);
  --color-secondary: #00d4aa;
  --color-accent: #ff6b6b;

  --color-text: #e8e8f0;
  --color-text-muted: #888899;
  --color-text-faint: #555566;
  --color-heading: #ffffff;

  --color-success: #00d4aa;
  --color-warning: #ffb347;
  --color-danger: #ff6b6b;

  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #12122a 50%, #0a0a0f 100%);
  --gradient-card: linear-gradient(145deg, #16161f, #1a1a26);
  --gradient-primary: linear-gradient(135deg, #6c63ff, #a855f7);
  --gradient-secondary: linear-gradient(135deg, #00d4aa, #0099ff);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-card-hover: 0 8px 40px rgba(108,99,255,0.15), 0 4px 20px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(108,99,255,0.2);

  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  --container-max: 1280px;
  --container-padding: 24px;
}

/* Light mode overrides */
[data-theme="light"] {
  --color-bg: #f5f5fa;
  --color-bg-secondary: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #f0f0f8;
  --color-border: #e0e0ec;
  --color-border-light: #ebebf5;
  --color-text: #1a1a2e;
  --color-text-muted: #666680;
  --color-text-faint: #999ab0;
  --color-heading: #0a0a1a;
  --shadow-card: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-card-hover: 0 8px 32px rgba(108,99,255,0.12), 0 2px 12px rgba(0,0,0,0.08);
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition-slow), color var(--transition-slow);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  loading: lazy;
}

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

h1,h2,h3,h4,h5,h6 {
  color: var(--color-heading);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
}

ul { list-style: none; }

/* =============================================
   UTILITIES
   ============================================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 120px 0; }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 12px;
}
.section-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-primary { background: var(--color-primary-glow); color: var(--color-primary); border: 1px solid rgba(108,99,255,0.3); }
.badge-success { background: rgba(0,212,170,0.1); color: var(--color-secondary); border: 1px solid rgba(0,212,170,0.3); }
.badge-free { background: rgba(0,212,170,0.1); color: var(--color-secondary); }
.badge-paid { background: rgba(255,179,71,0.1); color: var(--color-warning); }
.badge-freemium { background: rgba(108,99,255,0.1); color: var(--color-primary); }

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  transition: all var(--transition-fast);
}
.tag:hover { background: var(--color-primary); color: #fff; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.78rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108,99,255,0.5);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-glow);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-sm { padding: 8px 16px; font-size: 0.85rem; border-radius: var(--radius-sm); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: var(--radius-md); }

.btn-affiliate {
  background: var(--gradient-secondary);
  color: #fff;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0,212,170,0.3);
  width: 100%;
}
.btn-affiliate:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,212,170,0.45);
  color: #fff;
}

/* =============================================
   NAVIGATION
   ============================================= */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-slow);
}
[data-theme="light"] #site-header {
  background: rgba(245,245,250,0.9);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-heading);
  flex-shrink: 0;
  text-decoration: none;
}
.site-logo:hover { color: var(--color-heading); }
.logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}

.nav-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}
.nav-search input {
  width: 100%;
  padding: 10px 16px 10px 44px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: all var(--transition-base);
}
.nav-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}
.nav-search input::placeholder { color: var(--color-text-faint); }
.nav-search-icon {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-faint);
  pointer-events: none;
}

.primary-nav { display: flex; align-items: center; gap: 4px; }
.primary-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}
.primary-nav a:hover, .primary-nav a.current {
  color: var(--color-heading);
  background: var(--color-border-light);
}

.nav-actions { display: flex; align-items: center; gap: 10px; }

#theme-toggle {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  width: 38px; height: 38px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
}
#theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

.mobile-menu-btn {
  display: none;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  width: 38px; height: 38px;
  border-radius: var(--radius-md);
  cursor: pointer;
  align-items: center; justify-content: center;
  font-size: 1.1rem;
}

.mobile-menu {
  display: none;
  padding: 16px 0;
  border-top: 1px solid var(--color-border-light);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 0;
  color: var(--color-text);
  font-weight: 500;
  border-bottom: 1px solid var(--color-border-light);
}
.mobile-menu a:last-child { border-bottom: none; }

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  background: var(--gradient-hero);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse, rgba(108,99,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--color-primary-glow);
  border: 1px solid rgba(108,99,255,0.35);
  border-radius: var(--radius-full);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p.subtitle {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.65;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-search {
  max-width: 640px;
  margin: 0 auto 48px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 6px 6px 6px 24px;
  gap: 12px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}
.search-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-glow), var(--shadow-card);
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 1rem;
  font-family: var(--font-sans);
  outline: none;
}
.search-box input::placeholder { color: var(--color-text-faint); }

.search-box .btn {
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stat {
  text-align: center;
}
.hero-stat .number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-heading);
}
.hero-stat .label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* =============================================
   AD PLACEMENTS
   ============================================= */
.ad-slot {
  background: var(--color-bg-secondary);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-faint);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.ad-slot-leaderboard { width: 100%; height: 90px; }
.ad-slot-rectangle { width: 336px; height: 280px; max-width: 100%; }
.ad-slot-banner { width: 100%; height: 60px; }
.ad-slot-sidebar { width: 300px; height: 250px; }
.ad-slot-in-content { width: 100%; height: 250px; max-width: 728px; margin: 0 auto; }

.ad-container {
  padding: 16px 0;
  text-align: center;
}

/* =============================================
   TOOL CARDS
   ============================================= */
.tool-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  cursor: pointer;
}
.tool-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.tool-card.featured {
  border-color: rgba(108,99,255,0.4);
  background: linear-gradient(145deg, #16161f, #1a1828);
}
.tool-card.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.tool-card-header { display: flex; align-items: flex-start; gap: 14px; }

.tool-logo {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  overflow: hidden;
}
.tool-logo img { width: 100%; height: 100%; object-fit: cover; }

.tool-info { flex: 1; min-width: 0; }
.tool-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tool-tagline {
  font-size: 0.83rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.tool-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-warning);
  flex-shrink: 0;
}

.tool-description {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tool-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
}

.tool-meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--color-text-muted); }
.tool-meta-item { display: flex; align-items: center; gap: 4px; }

.tool-actions { display: flex; gap: 8px; }

.bookmark-btn {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.bookmark-btn:hover, .bookmark-btn.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-glow);
}

/* Trending badge */
.trending-badge {
  position: absolute;
  top: 14px; right: 14px;
  background: linear-gradient(135deg, #ff6b6b, #ff9a3c);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =============================================
   CATEGORIES SECTION
   ============================================= */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.category-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.category-card:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.category-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  background: var(--color-bg-secondary);
  transition: all var(--transition-base);
}
.category-card:hover .category-icon {
  background: var(--color-primary-glow);
}

.category-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-heading);
}
.category-count {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* =============================================
   FILTERS & TABS
   ============================================= */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-tabs {
  display: flex;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 2px;
}

.filter-tab {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}
.filter-tab.active, .filter-tab:hover {
  background: var(--color-primary);
  color: #fff;
}

.filter-select {
  padding: 9px 36px 9px 14px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.88rem;
  font-family: var(--font-sans);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888899' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.filter-select:focus { outline: none; border-color: var(--color-primary); }

.search-filter-input {
  flex: 1;
  min-width: 200px;
  padding: 9px 16px 9px 40px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.88rem;
  font-family: var(--font-sans);
  position: relative;
}
.search-filter-input:focus { outline: none; border-color: var(--color-primary); }

.filter-wrapper { position: relative; }
.filter-wrapper .search-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-faint);
  pointer-events: none;
  font-size: 0.85rem;
}

/* =============================================
   TOOL SINGLE PAGE
   ============================================= */
.tool-single-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: start;
}

.tool-single-hero {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-bottom: 32px;
}

.tool-single-header {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 24px;
}

.tool-single-logo {
  width: 80px; height: 80px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
}

.tool-single-title {
  font-size: 1.75rem;
  margin-bottom: 6px;
}
.tool-single-tagline { color: var(--color-text-muted); margin-bottom: 16px; font-size: 1.05rem; }

.tool-badges { display: flex; flex-wrap: wrap; gap: 8px; }

.tool-screenshot {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 24px 0;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-faint);
}
.tool-screenshot img { width: 100%; height: 100%; object-fit: cover; }

.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 24px 0;
}

.pros-cons-list {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: 20px;
}
.pros-cons-list h4 {
  font-size: 0.9rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pros-cons-list.pros h4 { color: var(--color-success); }
.pros-cons-list.cons h4 { color: var(--color-danger); }

.pros-cons-list li {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  border-bottom: 1px solid var(--color-border-light);
}
.pros-cons-list li:last-child { border-bottom: none; }
.pros-cons-list.pros li::before { content: '✓'; color: var(--color-success); font-weight: 700; flex-shrink: 0; }
.pros-cons-list.cons li::before { content: '✕'; color: var(--color-danger); font-weight: 700; flex-shrink: 0; }

/* Sidebar */
.tool-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 88px;
}

.sidebar-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.sidebar-card h3 { font-size: 1rem; margin-bottom: 16px; }

.rating-display {
  text-align: center;
  padding: 16px 0;
}
.rating-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-heading);
  line-height: 1;
}
.rating-stars {
  color: var(--color-warning);
  font-size: 1.2rem;
  margin: 8px 0;
}
.rating-count { font-size: 0.82rem; color: var(--color-text-muted); }

.pricing-table { display: flex; flex-direction: column; gap: 8px; }
.pricing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 0.88rem;
}
.pricing-row:last-child { border-bottom: none; }
.pricing-label { color: var(--color-text-muted); }
.pricing-value { font-weight: 600; color: var(--color-heading); }

/* FAQ Section */
.faq-section { margin: 40px 0; }
.faq-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-question {
  padding: 18px 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
  background: var(--color-bg-card);
  transition: background var(--transition-fast);
}
.faq-question:hover { background: var(--color-bg-card-hover); }
.faq-question .icon { font-size: 0.85rem; color: var(--color-text-muted); transition: transform var(--transition-fast); flex-shrink: 0; }
.faq-item.open .faq-question .icon { transform: rotate(180deg); }
.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  transition: max-height var(--transition-slow), padding var(--transition-fast);
}
.faq-item.open .faq-answer { max-height: 400px; padding: 16px 20px; }

/* =============================================
   BLOG CARDS
   ============================================= */
.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.blog-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--gradient-primary);
  overflow: hidden;
  position: relative;
}
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-category {
  position: absolute;
  top: 12px; left: 12px;
}

.blog-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.blog-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-title a { color: inherit; text-decoration: none; }
.blog-card-title a:hover { color: var(--color-primary); }
.blog-card-excerpt {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--color-text-faint);
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
}
.blog-meta span { display: flex; align-items: center; gap: 4px; }

/* Table of Contents */
.toc {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 32px 0;
}
.toc h3 { font-size: 0.95rem; margin-bottom: 14px; }
.toc ol { counter-reset: toc; padding-left: 0; }
.toc li {
  counter-increment: toc;
  padding: 6px 0 6px 24px;
  position: relative;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--color-border-light);
}
.toc li:last-child { border-bottom: none; }
.toc li::before {
  content: counter(toc) ".";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}
.toc a { color: var(--color-text-muted); }
.toc a:hover { color: var(--color-primary); }

/* =============================================
   NEWSLETTER SECTION
   ============================================= */
.newsletter-section {
  background: linear-gradient(135deg, rgba(108,99,255,0.12), rgba(168,85,247,0.08));
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
}

.newsletter-section h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 12px; }
.newsletter-section p { color: var(--color-text-muted); margin-bottom: 32px; max-width: 500px; margin-left: auto; margin-right: auto; }

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}
.newsletter-form input {
  flex: 1;
  padding: 13px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.95rem;
  font-family: var(--font-sans);
}
.newsletter-form input:focus { outline: none; border-color: var(--color-primary); }
.newsletter-form input::placeholder { color: var(--color-text-faint); }

/* =============================================
   NEWSLETTER POPUP
   ============================================= */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.popup-overlay.open { opacity: 1; pointer-events: all; }

.popup-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}
.popup-overlay.open .popup-card { transform: scale(1); }
.popup-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none; border: none;
  color: var(--color-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.popup-close:hover { background: var(--color-border); color: var(--color-text); }

.popup-emoji { font-size: 3rem; margin-bottom: 16px; }
.popup-card h3 { font-size: 1.4rem; margin-bottom: 10px; }
.popup-card p { color: var(--color-text-muted); margin-bottom: 24px; font-size: 0.92rem; }
.popup-form { display: flex; flex-direction: column; gap: 10px; }
.popup-form input {
  padding: 13px 16px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.95rem;
  font-family: var(--font-sans);
}
.popup-form input:focus { outline: none; border-color: var(--color-primary); }

/* =============================================
   SUBMIT TOOL PAGE
   ============================================= */
.form-section {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-bottom: 24px;
}
.form-section h3 { font-size: 1.1rem; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--color-border); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}
.form-label .required { color: var(--color-danger); }

.form-input, .form-select, .form-textarea {
  padding: 11px 16px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition-fast);
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-hint { font-size: 0.78rem; color: var(--color-text-faint); }

/* =============================================
   STAR RATING
   ============================================= */
.star-rating {
  display: flex;
  gap: 4px;
}
.star-rating input { display: none; }
.star-rating label {
  font-size: 1.4rem;
  color: var(--color-border);
  cursor: pointer;
  transition: color var(--transition-fast);
}
.star-rating label:hover, .star-rating label:hover ~ label,
.star-rating input:checked ~ label { color: var(--color-warning); }

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px; left: 20px;
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  padding-top: 20px;
}

.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  overflow: hidden;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 700; font-size: 0.9rem; }
.testimonial-role { font-size: 0.78rem; color: var(--color-text-muted); }

/* =============================================
   BREADCRUMBS
   ============================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.83rem;
  color: var(--color-text-muted);
  padding: 16px 0;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: var(--color-text-faint); }
.breadcrumb .current { color: var(--color-text); }

/* =============================================
   PAGINATION
   ============================================= */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 56px;
}
.page-link {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.page-link:hover, .page-link.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.page-link.prev-next { width: auto; padding: 0 16px; gap: 6px; }

/* =============================================
   FOOTER
   ============================================= */
#site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .site-logo { margin-bottom: 16px; }
.footer-description {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.social-links { display: flex; gap: 10px; }
.social-link {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.footer-col h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  border-top: 1px solid var(--color-border-light);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.83rem; color: var(--color-text-faint); }

/* =============================================
   MOBILE STICKY CTA
   ============================================= */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  padding: 16px;
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  z-index: 990;
  gap: 10px;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .tool-single-layout { grid-template-columns: 1fr; }
  .tool-sidebar { position: static; }
}

@media (max-width: 768px) {
  :root { --container-padding: 16px; }
  .section { padding: 56px 0; }
  .section-lg { padding: 72px 0; }

  .primary-nav, .nav-search { display: none; }
  .mobile-menu-btn { display: flex; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: 1fr; }

  .hero { padding: 64px 0 48px; }
  .search-box { flex-direction: column; padding: 12px; border-radius: var(--radius-lg); }
  .search-box .btn { width: 100%; }

  .hero-stats { gap: 24px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }

  .newsletter-form { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .mobile-sticky-cta { display: flex; }

  .pros-cons { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }

  .filter-bar { gap: 8px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .ad-slot-rectangle { width: 100%; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .newsletter-section { padding: 40px 20px; }
  .form-section { padding: 24px 16px; }
  .popup-card { padding: 32px 24px; }
}

/* =============================================
   COMPARISON TABLE
   ============================================= */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.comparison-table th {
  background: var(--color-bg-secondary);
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  color: var(--color-heading);
  border-bottom: 2px solid var(--color-border);
}
.comparison-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-muted);
}
.comparison-table tr:hover td { background: var(--color-bg-card-hover); }
.comparison-table .check { color: var(--color-success); }
.comparison-table .cross { color: var(--color-danger); }

/* =============================================
   SKELETON LOADING
   ============================================= */
.skeleton {
  background: linear-gradient(90deg, var(--color-border-light) 25%, var(--color-border) 50%, var(--color-border-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { to { background-position: -200% 0; } }