/* ---- Tokens ---------------------------------------------------- */
:root[data-theme="dark"] {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text-primary: #e6edf3;
  --text-secondary: #b1bac4;
  --text-muted: #7d8590;
  --accent-blue: #58a6ff;
  --accent-amber: #f7a74d;
  --accent-green: #3fb950;
  --shadow-card: 0 1px 0 rgba(255,255,255,0.02) inset, 0 0 0 1px var(--border);
  --backdrop: rgba(13, 17, 23, 0.72);
}
:root[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #eaeef2;
  --border: rgba(27, 31, 36, 0.1);
  --border-strong: rgba(27, 31, 36, 0.2);
  --text-primary: #1f2328;
  --text-secondary: #424a53;
  --text-muted: #636c76;
  --accent-blue: #0969da;
  --accent-amber: #b35900;
  --accent-green: #1a7f37;
  --shadow-card: 0 1px 0 rgba(27,31,36,0.04) inset, 0 0 0 1px var(--border);
  --backdrop: rgba(255, 255, 255, 0.78);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, kbd:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
  border-radius: 6px;
}

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

.skip-link {
  position: absolute; top: -40px; left: 8px; background: var(--bg-tertiary); color: var(--text-primary);
  padding: 8px 12px; border-radius: 6px; z-index: 100; transition: top 0.2s;
}
.skip-link:focus { top: 8px; }

/* ---- Header ---------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--backdrop);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-primary); font-weight: 600; font-size: 15px;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-green) 22%, transparent);
  flex-shrink: 0;
}

.header-actions { display: flex; align-items: center; gap: 8px; }

.search-wrap {
  position: relative; display: flex; align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 10px;
  min-width: 280px;
  height: 36px;
}
.search-wrap:focus-within { border-color: var(--border-strong); }
.search-icon { color: var(--text-muted); flex-shrink: 0; }
.search-input {
  flex: 1; background: transparent; border: 0; outline: none;
  color: var(--text-primary);
  font: inherit;
  padding: 0 10px;
  height: 100%;
}
.search-input::placeholder { color: var(--text-muted); }
.search-kbd {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px;
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 2px 6px;
  background: var(--bg-primary);
}

.icon-btn {
  display: inline-flex; align-items: center; gap: 6px;
  min-width: 36px; height: 36px; padding: 0 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.icon-btn:hover { background: var(--bg-tertiary); border-color: var(--border-strong); text-decoration: none; }
.github-star .star-label { font-size: 13px; font-weight: 500; }
.github-star .star-count {
  display: none;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  color: var(--text-secondary);
  padding-left: 6px;
  border-left: 1px solid var(--border);
  margin-left: 2px;
}
.github-star .star-count.visible { display: inline; }

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }
[data-theme="light"] .theme-toggle .icon-sun { display: inline; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.desktop-only { display: flex; }
.mobile-only { display: none; }

/* ---- Mobile menu ----------------------------------------------- */
.mobile-menu {
  position: fixed; inset: 0; z-index: 60;
  background: var(--bg-primary);
  display: none;
  flex-direction: column;
  padding: 24px;
}
.mobile-menu[aria-hidden="false"] { display: flex; }
.mobile-menu-inner { display: flex; flex-direction: column; gap: 12px; margin-top: 60px; }
.mobile-menu .search-wrap { min-width: 0; width: 100%; }
.mobile-link {
  display: block; width: 100%;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font: inherit; font-size: 15px;
  text-align: left;
  cursor: pointer;
}
.mobile-link:hover { background: var(--bg-tertiary); text-decoration: none; }

/* ---- Hero ------------------------------------------------------ */
.hero {
  padding: 96px 0 64px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.hero-title {
  margin: 0 0 20px;
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 700;
}
.hero-title .accent { color: var(--accent-blue); }
.hero-sub {
  max-width: 640px;
  margin: 0 0 32px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--text-secondary);
}
.stat-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.stat-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--text-secondary);
}
.stat-pill strong { color: var(--text-primary); font-weight: 600; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px;
  min-height: 40px;
  border-radius: 8px;
  font: inherit; font-weight: 500; font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent-blue);
  color: #fff;
}
.btn-primary:hover { background: color-mix(in srgb, var(--accent-blue) 88%, #000); }
[data-theme="light"] .btn-primary { color: #fff; }
.btn-ghost {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-tertiary); border-color: var(--border-strong); }

/* ---- Sections -------------------------------------------------- */
section { padding: 30px 0; }
.section-head { margin-bottom: 32px; max-width: 640px; }
.section-head h2, .section-head h3 {
  margin: 0 0 8px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.section-head h2 { font-size: clamp(26px, 3.5vw, 32px); }
.section-head h3 { font-size: clamp(22px, 3vw, 26px); }
.section-head p { margin: 0; color: var(--text-secondary); font-size: 16px; }
.section-head-sub { margin-top: 64px; }

/* ---- Featured top 3 (compact, expandable) -------------------- */
.featured { border-bottom: 1px solid var(--border); }
.section-note {
  margin: -20px 0 28px;
  font-size: 13px;
  color: var(--text-muted);
}
.section-note strong { color: var(--text-secondary); font-weight: 600; }

.top3-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.top3-card {
  display: flex; flex-direction: column;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: border-color 0.15s, transform 0.15s, background 0.15s;
}
.top3-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.top3-card.expanded {
  background: var(--bg-tertiary);
  border-color: var(--border-strong);
}
.top3-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.top3-card h3 {
  margin: 0; font-size: 18px; font-weight: 600; letter-spacing: -0.01em;
}
.top3-card .provider {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.top3-card .best-at {
  font-size: 13px; line-height: 1.5;
  color: var(--text-secondary); margin: 0 0 14px;
}

.top3-details {
  border-top: 1px solid var(--border);
  margin: 0 0 14px;
  padding-top: 14px;
}
.top3-details ul {
  list-style: none; padding: 0; margin: 0 0 14px;
  font-size: 12.5px;
}
.top3-details ul li {
  padding: 5px 0 5px 16px;
  position: relative;
  color: var(--text-secondary);
  line-height: 1.5;
}
.top3-details ul li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent-green);
}
.top3-details .unique-feature {
  font-size: 12.5px;
  color: var(--text-secondary);
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.top3-card.expanded .top3-details .unique-feature { background: var(--bg-primary); }
.top3-details .unique-feature strong {
  color: var(--accent-amber); display: block; margin-bottom: 3px;
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
}

.top3-actions {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: auto;
}
.link-btn {
  background: transparent; border: 0; padding: 0;
  color: var(--accent-blue);
  font: inherit; font-size: 13px; font-weight: 500;
  cursor: pointer;
  border-radius: 4px;
}
.link-btn:hover { text-decoration: underline; }
.visit-link {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}
.visit-link:hover { color: var(--accent-blue); text-decoration: none; }

.alternatives-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.alt-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.15s, transform 0.15s;
}
.alt-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.alt-card h4 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.01em; font-weight: 600; }
.alt-card .best-at { margin: 0 0 14px; color: var(--text-secondary); font-size: 13px; }
.alt-card .field { font-size: 13px; margin-bottom: 8px; color: var(--text-secondary); }
.alt-card .field strong {
  display: inline-block; min-width: 52px;
  color: var(--accent-blue);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
  margin-right: 8px;
}

/* ---- Comparison table ----------------------------------------- */
.table-scroll {
  position: relative;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  -webkit-overflow-scrolling: touch;
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 680px;
}
.comparison-table th, .comparison-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.comparison-table tr:last-child td { border-bottom: 0; }
.comparison-table th {
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: var(--bg-secondary);
}
.comparison-table tr:nth-child(even) td { background: color-mix(in srgb, var(--bg-secondary) 40%, transparent); }
.comparison-table td:first-child, .comparison-table th:first-child { color: var(--text-primary); font-weight: 500; }
.table-fade {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: 40px;
  background: linear-gradient(to left, var(--bg-primary), transparent);
  pointer-events: none;
  opacity: 0; transition: opacity 0.15s;
}
.table-scroll.scrollable .table-fade { opacity: 1; }

/* ---- Sticky filter bar ---------------------------------------- */
.filter-bar {
  position: sticky; top: 60px; z-index: 40;
  background: var(--backdrop);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.filter-inner {
  display: flex; flex-direction: column; gap: 12px;
}
.filter-search-wrap {
  position: relative; display: flex; align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 12px;
  height: 40px;
}
.filter-search-wrap:focus-within { border-color: var(--border-strong); }
.filter-search-wrap .search-icon { color: var(--text-muted); }
.filter-search-wrap .search-input { padding: 0 10px; }

.category-pills {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.pill {
  padding: 2px 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  font-size: 10px; font: inherit; font-size: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}
.pill:hover { background: var(--bg-tertiary); border-color: var(--border-strong); color: var(--text-primary); }
.pill.active {
  background: color-mix(in srgb, var(--accent-blue) 14%, transparent);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.filter-meta {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font-size: 12px;
}
.result-count { color: var(--text-muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.clear-btn {
  background: transparent; border: 0; padding: 4px 8px;
  color: var(--accent-blue);
  font: inherit; font-size: 12px;
  cursor: pointer;
  border-radius: 4px;
}
.clear-btn:hover { text-decoration: underline; }

/* ---- Category / tool cards ----------------------------------- */
.category-section { padding: 10px 0 16px; }
.category-section:first-child { padding-top: 10px; }
.category-header { margin-bottom: 20px; scroll-margin-top: 160px; }
.category-header h2 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.category-header p { margin: 0; color: var(--text-muted); font-size: 14px; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.tool-card {
  position: relative;
  display: flex; flex-direction: column;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: inherit; text-decoration: none;
  transition: border-color 0.15s, transform 0.15s, background 0.15s;
}
.tool-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-tertiary);
  transform: translateY(-2px);
  text-decoration: none;
}
.tool-card:hover .tool-arrow { color: var(--accent-blue); transform: translate(2px, -2px); }
.tool-arrow {
  position: absolute; top: 16px; right: 16px;
  color: var(--text-muted);
  transition: color 0.15s, transform 0.15s;
}
.tool-name {
  margin: 0 24px 6px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.005em;
}
.tool-desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}
.tool-fields { display: flex; flex-direction: column; gap: 6px; margin-top: auto; }
.tool-field {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.tool-field-label {
  display: inline-block;
  min-width: 48px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-right: 8px;
  color: var(--accent-blue);
  vertical-align: 2px;
}
.tool-field--best .tool-field-label { color: var(--accent-green); }
.tool-field--catch .tool-field-label { color: var(--accent-amber); }

mark {
  background: color-mix(in srgb, var(--accent-amber) 30%, transparent);
  color: inherit;
  border-radius: 3px;
  padding: 0 2px;
}

.empty-state {
  text-align: center;
  padding: 64px 16px;
  color: var(--text-muted);
}
.empty-state p { margin: 0 0 16px; font-size: 15px; }

/* ---- Contributing --------------------------------------------- */
.contributing {
  border-top: 1px solid var(--border);
  text-align: left;
}
.contributing h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.contributing p { margin: 0 0 24px; color: var(--text-secondary); font-size: 16px; max-width: 560px; }
.contributing-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---- Footer --------------------------------------------------- */
.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
}
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-left { display: flex; flex-direction: column; gap: 4px; }
.footer-left strong { color: var(--text-primary); font-weight: 600; }
.footer-links a { color: var(--text-secondary); margin-right: 8px; }
.footer-links a:hover { color: var(--accent-blue); }

/* ---- Responsive ----------------------------------------------- */
@media (max-width: 1024px) {
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .top3-grid { grid-template-columns: 1fr; }
  .top3-card { padding: 24px; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .desktop-only { display: none; }
  .mobile-only { display: inline-flex; }
  .github-star .star-label { display: none; }
  .hero { padding: 56px 0 40px; }
  .hero-title { font-size: 40px; }
  .hero-sub { font-size: 16px; }
  section { padding: 48px 0; }
  .section-head-sub { margin-top: 48px; }
  .tool-grid { grid-template-columns: 1fr; }
  .alternatives-grid { grid-template-columns: 1fr; }
  .filter-inner { gap: 10px; }
  .category-pills { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .category-pills::-webkit-scrollbar { height: 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* Scrollbar polish (dark mode) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 10px; border: 2px solid var(--bg-primary); }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }