:root {
  --bg-color: #0a0a0c;
  --card-bg: #16161e;
  --text-main: #e4e4e7;
  --text-mute: #a1a1aa;
  --accent-color: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.5);
  --border-color: #27272a;
  --ad-bg: linear-gradient(135deg, #1e1e2e 0%, #11111d 100%);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.light-theme {
  --bg-color: #f9fafb;
  --card-bg: #ffffff;
  --text-main: #111827;
  --text-mute: #6b7280;
  --accent-color: #2563eb;
  --accent-glow: rgba(37, 99, 235, 0.2);
  --border-color: #e5e7eb;
  --ad-bg: linear-gradient(135deg, #ffffff 0%, #f3f4f6 100%);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main.container { flex: 1; padding-top: 24px; padding-bottom: 60px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  height: 70px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}
.light-theme header { background: rgba(249, 250, 251, 0.85); }
header .container { display: flex; justify-content: space-between; align-items: center; width: 100%; gap: 24px; }
.logo { font-size: 24px; font-weight: 700; letter-spacing: -0.5px; }
.logo-link { color: var(--text-main); text-decoration: none; }
.logo span { color: var(--accent-color); }
.nav-links { display: flex; list-style: none; gap: 32px; }
.nav-links a { color: var(--text-mute); text-decoration: none; font-size: 15px; font-weight: 500; transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--text-main); }
.header-actions { display: flex; align-items: center; }
.action-group { display: flex; align-items: center; gap: 16px; }
.style-select {
  background: var(--card-bg);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  outline: none;
  transition: var(--transition);
}
#theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  cursor: pointer;
  font-size: 16px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
#theme-toggle:hover { border-color: var(--accent-color); color: var(--accent-color); }

/* Hero */
.hero { padding: 80px 0 60px; text-align: center; }
.hero h1 { font-size: 48px; font-weight: 700; letter-spacing: -1.5px; margin-bottom: 16px; line-height: 1.15; }
.hero h1 span { color: var(--accent-color); }
.hero p { font-size: 18px; color: var(--text-mute); margin-bottom: 40px; }

/* CTA */
.hero-cta { display: flex; gap: 16px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.cta-btn {
  padding: 14px 32px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  display: inline-block;
}
.cta-primary { background: var(--accent-color); color: #fff; }
.cta-primary:hover { filter: brightness(1.1); transform: scale(1.03); }
.cta-secondary { background: transparent; color: var(--text-main); border: 1px solid var(--border-color); }
.cta-secondary:hover { border-color: var(--accent-color); color: var(--accent-color); }

/* Search */
.search-box { position: relative; max-width: 600px; margin: 0 auto; }
.search-box i { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); color: var(--text-mute); font-size: 18px; }
.search-box input {
  width: 100%;
  padding: 16px 20px 16px 52px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-main);
  font-size: 16px;
  outline: none;
  transition: var(--transition);
}
.search-box input:focus { border-color: var(--accent-color); box-shadow: 0 0 0 3px var(--accent-glow); }

/* Categories */
.categories { padding: 24px 0 12px; }
.category-list { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.cat-btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-mute);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.cat-btn:hover { border-color: var(--accent-color); color: var(--text-main); }
.cat-btn.active { background: var(--accent-color); color: #fff; border-color: var(--accent-color); }

/* Value prop */
.value-proposition { padding: 60px 0; text-align: center; }
.section-main-title { font-size: 32px; margin-bottom: 40px; }
.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; }
.value-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 40px 24px;
  border-radius: 20px;
  transition: var(--transition);
}
.value-card:hover { border-color: var(--accent-color); transform: translateY(-5px); }
.value-icon { font-size: 36px; color: var(--accent-color); margin-bottom: 20px; }
.value-card h3 { font-size: 20px; margin-bottom: 12px; }
.value-card p { color: var(--text-mute); font-size: 15px; }

/* Category hero */
.category-hero { padding: 20px 0 60px; }
.cat-hero-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.cat-hero-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}
.cat-hero-card:hover { border-color: var(--accent-color); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.15); }
.light-theme .cat-hero-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.cat-hero-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-color);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-color);
  margin: 0 auto 16px;
}
.cat-hero-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.cat-hero-card p { font-size: 13px; color: var(--text-mute); line-height: 1.5; }

/* Recommended */
.recommended-section { padding: 60px 0; }
.section-header { margin-bottom: 32px; text-align: left; }
.section-header h2 { font-size: 28px; margin-bottom: 8px; }
.section-header p { color: var(--text-mute); }
.rec-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; margin-bottom: 40px; }
.rec-card { border: 2px solid var(--accent-color); position: relative; }

/* Tool grid */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.tool-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 28px;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
  position: relative;
}
.tool-card:hover { border-color: var(--accent-color); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.15); }
.light-theme .tool-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.tool-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-color);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-color);
  margin-bottom: 20px;
}
.tool-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.tool-card p { font-size: 14px; color: var(--text-mute); line-height: 1.5; margin-bottom: 16px; }
.tool-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  background: var(--bg-color);
  color: var(--text-mute);
  font-size: 12px;
  font-weight: 500;
}
.featured-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 3px 10px;
  border-radius: 6px;
  background: var(--accent-color);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
}

/* Ad banner */
.ad-banner {
  border-radius: 20px;
  padding: 24px 32px;
  margin: 40px 0;
  background: var(--ad-bg);
  border: 1px solid var(--border-color);
}
.ad-content { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.ad-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--accent-color);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ad-content p { flex: 1; font-size: 15px; color: var(--text-main); min-width: 200px; }
.ad-button {
  padding: 10px 20px;
  border-radius: 10px;
  background: var(--accent-color);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.ad-button:hover { filter: brightness(1.1); transform: scale(1.03); }

/* Legal & detail pages */
.legal-page { padding: 20px 0 60px; }
.legal-page h1 { font-size: 36px; margin: 12px 0 20px; line-height: 1.2; }
.legal-page h2 { font-size: 24px; margin: 36px 0 16px; }
.legal-page p { color: var(--text-main); margin-bottom: 16px; }
.legal-page ol, .legal-page ul { margin: 16px 0 16px 24px; }
.legal-page li { margin-bottom: 8px; color: var(--text-main); }
.legal-page a { color: var(--accent-color); }
.lede { font-size: 18px; color: var(--text-mute); margin-bottom: 24px; }
.update-note { color: var(--text-mute); margin-bottom: 32px; font-size: 14px; }

/* Breadcrumbs */
.breadcrumbs { font-size: 14px; color: var(--text-mute); padding: 16px 0; }
.breadcrumbs a { color: var(--text-mute); text-decoration: none; transition: var(--transition); }
.breadcrumbs a:hover { color: var(--accent-color); }
.breadcrumbs span { color: var(--text-main); }

/* Tool card with number */
.card-number {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent-color);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

/* Ranking table */
table.ranking { width: 100%; border-collapse: collapse; margin: 24px 0; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 16px; overflow: hidden; }
table.ranking th, table.ranking td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border-color); }
table.ranking thead th { background: var(--bg-color); color: var(--text-mute); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
table.ranking tbody tr:last-child td { border-bottom: none; }
table.ranking tbody tr:hover { background: var(--bg-color); }
table.ranking a { color: var(--text-main); text-decoration: none; font-weight: 600; }
table.ranking a:hover { color: var(--accent-color); }
table.ranking tr.current td { background: rgba(59,130,246,0.08); }
table.ranking tr.current strong { color: var(--accent-color); }

/* Tool review blocks */
.tool-review { padding: 24px; border: 1px solid var(--border-color); border-radius: 16px; margin-bottom: 20px; background: var(--card-bg); }
.tool-review h3 { font-size: 22px; margin-bottom: 8px; }
.tool-review .short { color: var(--accent-color); font-weight: 600; margin-bottom: 12px; }
.tool-review p { color: var(--text-main); }
.pros-cons-box { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 16px 0; }
.pros-cons-box .pro-list, .pros-cons-box .con-list { background: var(--bg-color); border: 1px solid var(--border-color); border-radius: 12px; padding: 16px; list-style: none; margin: 0; }
.pros-cons-box .pro-list li, .pros-cons-box .con-list li { padding: 6px 0; font-size: 14px; }

/* FAQ */
.faq-section { margin: 20px 0; }
.faq-section details {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
.faq-section summary { cursor: pointer; font-weight: 600; color: var(--text-main); }
.faq-section p { color: var(--text-mute); margin-top: 10px; }

/* Tool detail page */
.tool-detail-container { padding: 20px 0 60px; }
.tool-detail-container h1 { font-size: 40px; line-height: 1.15; margin: 12px 0 16px; }
.tool-detail-container h2 { font-size: 24px; margin: 36px 0 16px; }
.tool-detail-container p { color: var(--text-main); margin-bottom: 16px; }
.tool-detail-container ul { margin: 12px 0 12px 24px; }
.tool-detail-container li { margin-bottom: 8px; }
.tool-detail-container .related ul { list-style: none; margin-left: 0; }
.tool-detail-container .related li { margin-bottom: 8px; }
.tool-detail-container .related a { color: var(--accent-color); text-decoration: none; }
.tool-detail-container .related a:hover { text-decoration: underline; }
.pro-list, .con-list { list-style: none; margin: 12px 0 12px 0; }
.pro-list li, .con-list li { padding: 6px 0; display: flex; align-items: flex-start; gap: 10px; font-size: 15px; }
.pro-list li::before { content: "✓"; color: #10b981; font-weight: 700; }
.con-list li::before { content: "✗"; color: #ef4444; font-weight: 700; }

/* Footer */
footer { border-top: 1px solid var(--border-color); padding: 40px 0; text-align: center; margin-top: 40px; }
footer .container { display: flex; flex-direction: column; align-items: center; gap: 16px; }
footer p { color: var(--text-mute); font-size: 13px; }
footer .nav-links a { color: var(--text-mute); font-size: 13px; }
footer .nav-links a:hover { color: var(--text-main); }

/* Compare / vs tables */
table.ranking tbody th { color: var(--text-mute); font-size: 13px; text-transform: uppercase; letter-spacing: 0.4px; font-weight: 600; }

@media (max-width: 768px) {
  .hero { padding: 60px 0 40px; }
  .hero h1 { font-size: 32px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .cta-btn { width: 100%; max-width: 300px; text-align: center; }
  .nav-links { display: none; }
  .search-box input { font-size: 16px; }
  .cat-hero-grid { grid-template-columns: repeat(2, 1fr); }
  .category-list { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; }
  .tool-grid, .rec-grid, .value-grid { grid-template-columns: 1fr; }
  .ad-content { flex-direction: column; align-items: flex-start; gap: 12px; }
  .ad-button { width: 100%; text-align: center; }
  .pros-cons-box { grid-template-columns: 1fr; }
  .legal-page h1 { font-size: 28px; }
  .tool-detail-container h1 { font-size: 28px; }
  table.ranking { font-size: 13px; }
  table.ranking th, table.ranking td { padding: 10px 12px; }
}
@media (max-width: 480px) {
  .cat-hero-grid { grid-template-columns: 1fr; }
  header .container { gap: 12px; }
  .style-select { padding: 4px 8px; font-size: 13px; }
}

/* Page Hero (used on best/vs/alternatives) */
.page-hero {
  text-align: center;
  padding: 64px 0 32px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
}
.page-hero h1 { font-size: 44px; line-height: 1.15; margin: 12px 0 12px; }
.page-hero .lede { max-width: 760px; margin: 0 auto 8px; }

/* Detail page section card */
.detail-section {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 28px 32px;
  margin: 24px 0;
}
.detail-section h2 {
  font-size: 20px;
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-color);
}
.detail-section p { color: var(--text-main); margin-bottom: 12px; }
.detail-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0; }

/* Related grid (cards) */
.related-section { padding: 40px 0 24px; }
.related-section .section-main-title { font-size: 28px; margin-bottom: 24px; text-align: center; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.related-card {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
.related-card:hover { border-color: var(--accent-color); transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,0.15); }
.light-theme .related-card:hover { box-shadow: 0 12px 30px rgba(0,0,0,0.08); }
.related-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-color);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent-color);
}
.related-card h3 { font-size: 16px; margin-bottom: 4px; }
.related-card p { font-size: 13px; color: var(--text-mute); line-height: 1.4; }

/* VS pair inside related card */
.vs-pair { display: flex; align-items: center; gap: 6px; }
.vs-pair .related-icon { width: 36px; height: 36px; font-size: 16px; }
.vs-divider { font-size: 11px; font-weight: 800; color: var(--accent-color); }

/* Compare page (vs) */
.compare-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: stretch; margin: 32px 0 48px; }
.compare-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
.compare-card:hover { border-color: var(--accent-color); transform: translateY(-3px); }
.compare-icon {
  width: 64px;
  height: 64px;
  background: var(--bg-color);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--accent-color);
  margin: 0 auto 16px;
}
.compare-tag { display: inline-block; padding: 4px 12px; border-radius: 999px; background: var(--bg-color); color: var(--text-mute); font-size: 12px; font-weight: 600; margin-bottom: 12px; }
.compare-card h2 { font-size: 24px; margin-bottom: 8px; }
.compare-card p { color: var(--text-mute); font-size: 14px; margin-bottom: 16px; }
.compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: var(--accent-color);
  letter-spacing: 1px;
}
.compare-pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0; }
.compare-pros-cons .pro-list,
.compare-pros-cons .con-list { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 16px; padding: 20px 24px; margin: 0; list-style: none; }
.compare-pros-cons h2 { font-size: 18px; margin-bottom: 12px; }
.verdict-box { background: var(--card-bg); border: 1px solid var(--accent-color); border-radius: 20px; padding: 32px; margin: 32px 0; }

/* Tool review blocks (best/[slug].astro) */
.tool-review-head { display: grid; grid-template-columns: 48px 1fr; gap: 14px; align-items: center; margin-bottom: 12px; }
.tool-review-icon { width: 48px; height: 48px; background: var(--bg-color); border: 1px solid var(--border-color); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--accent-color); }

/* Featured badge (homepage) */
.featured-badge { position: absolute; top: 14px; right: 14px; padding: 3px 10px; border-radius: 6px; background: var(--accent-color); color: #fff; font-size: 11px; font-weight: 700; }

/* Rec card variant */
.rec-card { border: 2px solid var(--accent-color); position: relative; }

/* Example box */
.example-box { background: var(--bg-color); border: 1px solid var(--border-color); padding: 20px; border-radius: 12px; font-family: 'SF Mono', Monaco, 'Courier New', monospace; color: var(--text-mute); font-size: 14px; line-height: 1.6; white-space: pre-wrap; }

/* Detail header alignment */
.detail-title-group h1 { font-size: 36px; margin-bottom: 8px; }
.detail-tag { font-size: 12px; color: var(--text-mute); background: var(--bg-color); padding: 4px 12px; border-radius: 999px; }
.detail-use-btn { display: inline-flex; align-items: center; gap: 8px; }

/* Responsive */
@media (max-width: 768px) {
  .page-hero h1 { font-size: 28px; }
  .detail-grid-2, .compare-pros-cons { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-vs { padding: 12px 0; }
  .related-card { grid-template-columns: 48px 1fr; padding: 16px; }
  .related-icon { width: 48px; height: 48px; font-size: 18px; }
  .detail-section { padding: 20px; }
}