:root {
  --bg: #0d1117;
  --surface: #161b22;
  --panel: #1c2128;
  --border: #30363d;
  --accent: #58a6ff;
  --accent-strong: #79c0ff;
  --green: #3fb950;
  --orange: #f0883e;
  --red: #f85149;
  --text: #e6edf3;
  --muted: #8b949e;
  --code-bg: #111827;
  --hover: #21262d;
  --selected: #1f3552;
  --sidebar-width: 310px;
}

* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
button, input { font: inherit; }
button { color: inherit; }
code, pre, .logo-button, .cmd-name {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  transform: translateY(-150%);
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--accent);
  color: #07111e;
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }
.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;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(22, 27, 34, .96);
  backdrop-filter: blur(12px);
}
.logo-button {
  text-decoration: none;
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -.04em;
}
.logo-button .win { color: #2f9bff; }
.logo-button .arr { color: var(--muted); }
.logo-button .lnx { color: #ff7043; }
.tagline {
  margin: 0;
  padding-left: 18px;
  border-left: 1px solid var(--border);
  color: var(--muted);
  font-size: .82rem;
}
.stats {
  margin-left: auto;
  color: var(--muted);
  font: 600 .76rem/1.4 "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}
.stats span { color: var(--accent); }

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: calc(100vh - 66px);
}
.sidebar {
  position: sticky;
  top: 66px;
  align-self: start;
  height: calc(100vh - 66px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border);
  background: var(--surface);
}
.search-wrap {
  padding: 13px;
  border-bottom: 1px solid var(--border);
}
.search-wrap input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 7px;
  outline: none;
  padding: 9px 12px 9px 34px;
  background-color: var(--panel);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 11px center;
  color: var(--text);
  font-size: .84rem;
}
.search-wrap input:focus { border-color: var(--accent); }
.search-wrap input::placeholder { color: var(--muted); }
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  max-height: none;
  overflow: visible;
  flex: 0 0 auto;
}
.cat-btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 9px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  font-size: .68rem;
  transition: .15s ease;
}
.cat-btn:hover, .cat-btn:focus-visible { color: var(--accent); border-color: var(--accent); }
.cat-btn.active { color: #06111f; border-color: var(--accent); background: var(--accent); font-weight: 800; }
.cmd-list {
  flex: 1;
  overflow-y: auto;
  padding: 7px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.cmd-item {
  width: 100%;
  display: grid;
  grid-template-columns: 105px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 7px;
  padding: 9px 10px;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: .12s ease;
}
.cmd-item:hover, .cmd-item:focus-visible { background: var(--hover); }
.cmd-item.active { border-color: var(--accent); background: var(--selected); }
.cmd-name {
  overflow: hidden;
  color: var(--orange);
  font-size: .8rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cmd-desc-short {
  overflow: hidden;
  color: var(--muted);
  font-size: .73rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.no-results { padding: 42px 18px; color: var(--muted); text-align: center; font-size: .84rem; }
.state-box {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}
.spinner {
  width: 30px;
  height: 30px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.error-state strong { color: var(--red); }
.error-state pre {
  max-width: 100%;
  overflow-x: auto;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--panel);
  color: var(--muted);
  text-align: left;
  font-size: .72rem;
}

.main-content {
  min-width: 0;
  padding: clamp(24px, 4vw, 58px);
  outline: none;
}
.welcome-view, .detail-view { max-width: 1100px; margin: 0 auto; }
.hero-card {
  padding: clamp(24px, 5vw, 56px);
  border: 1px solid var(--border);
  border-radius: 18px;
  background:
    radial-gradient(circle at 88% 16%, rgba(88, 166, 255, .16), transparent 30%),
    linear-gradient(145deg, var(--surface), #111827);
}
.eyebrow {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero-card h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: -.055em;
}
.hero-copy {
  max-width: 820px;
  margin: 20px 0 0;
  color: #bdc7d2;
  font-size: clamp(.98rem, 1.4vw, 1.14rem);
}
.mapping-examples { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.mapping-examples span {
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: .8rem;
}
.mapping-examples code:first-child { color: var(--accent); }
.mapping-examples code:last-child { color: var(--green); }
.browse-section { margin-top: 54px; }
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
}
.section-heading h2, .section-title-row h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  line-height: 1.25;
  letter-spacing: -.025em;
}
.section-heading > p { margin: 0; color: var(--muted); font-size: .82rem; }
.command-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.command-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 18px;
  background: var(--surface);
  text-align: left;
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.command-card:hover, .command-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--panel);
}
.mapping-mini { display: flex; flex-wrap: wrap; gap: 7px; color: var(--muted); font-size: .78rem; }
.mapping-mini code:first-child { color: var(--accent); }
.mapping-mini code:last-child { color: var(--green); }
.command-card strong { margin-top: 5px; font-size: 1rem; }
.command-card > span:not(.mapping-mini) { color: var(--muted); font-size: .82rem; }
.command-card em { margin-top: auto; padding-top: 7px; color: var(--accent); font-size: .76rem; font-style: normal; font-weight: 800; }
.empty-results { grid-column: 1 / -1; padding: 70px 20px; text-align: center; }
.empty-results h3 { margin: 0 0 5px; }
.empty-results p { margin: 0; color: var(--muted); }

.detail-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: .78rem;
}
.back-button {
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 11px;
  background: var(--surface);
  color: var(--accent);
  cursor: pointer;
  font-weight: 800;
  font-size: .78rem;
}
.back-button:hover, .back-button:focus-visible { border-color: var(--accent); background: var(--selected); }
.article-header {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--border);
  border-radius: 17px;
  background:
    radial-gradient(circle at 88% 12%, rgba(63, 185, 80, .1), transparent 28%),
    linear-gradient(145deg, var(--surface), #111827);
}
.badge-row { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: .63rem;
  font-weight: 900;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.windows-badge { color: var(--accent); border: 1px solid #1a4a7a; background: #0a2d52; }
.linux-badge { color: var(--orange); border: 1px solid #6a3a1a; background: #2a1a0a; }
.category-badge { color: var(--muted); border: 1px solid var(--border); background: var(--panel); }
.article-header h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4.5vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.045em;
}
.article-header h1 code { color: var(--accent); font-size: .88em; overflow-wrap: anywhere; }
.article-summary { max-width: 820px; margin: 16px 0 0; color: #bdc7d2; font-size: 1rem; }
.primary-mapping {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 13px;
  margin-top: 25px;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: rgba(13, 17, 23, .76);
}
.primary-mapping > div { min-width: 0; }
.primary-mapping > div > span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: .64rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.primary-mapping code { display: block; color: var(--text); font-size: clamp(.84rem, 2vw, 1.03rem); overflow-wrap: anywhere; }
.primary-mapping > div:first-child code { color: var(--accent); }
.primary-mapping > div:nth-child(3) code { color: var(--green); }
.mapping-arrow { color: var(--muted); font-size: 1.2rem; }

.content-section { margin-top: 42px; }
.section-title-row { margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.prose, .section-intro { color: #c4ccd6; }
.section-intro { margin: -3px 0 14px; font-size: .87rem; }
.tip-box {
  margin-top: 16px;
  padding: 15px 17px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  background: var(--panel);
  color: #cbd3dc;
}
.tip-box strong { color: var(--accent-strong); }
.tip-box code, .tip-box kbd { color: var(--green); }
.use-case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.use-case-card { padding: 16px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); }
.use-case-card h3 { margin: 0 0 6px; color: var(--green); font: 700 .87rem/1.4 "JetBrains Mono", Consolas, monospace; overflow-wrap: anywhere; }
.use-case-card p { margin: 0; color: var(--muted); font-size: .82rem; }
.copy-list { display: grid; gap: 8px; }
.copy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 11px 11px 11px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--code-bg);
}
.copy-row code { min-width: 0; overflow-x: auto; color: var(--green); white-space: nowrap; font-size: .81rem; }
.copy-btn {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  background: var(--panel);
  color: var(--accent);
  cursor: pointer;
  font-size: .72rem;
  font-weight: 800;
  white-space: nowrap;
}
.copy-btn:hover, .copy-btn:focus-visible { border-color: var(--accent); background: var(--selected); }
.copy-btn.copied { color: var(--green); border-color: var(--green); }
.primary-copy { justify-self: end; }
.code-block-wrap { position: relative; }
.block-copy { position: absolute; top: 10px; right: 10px; z-index: 2; }
.annotated-code {
  margin: 0;
  overflow-x: auto;
  padding: 48px 18px 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--code-bg);
  color: var(--text);
  font-size: .8rem;
  line-height: 1.72;
}
.annotated-code .comment { color: #7d8590; }
.annotated-code .cmd { color: var(--accent-strong); font-weight: 700; }
.annotated-code .arg { color: #ffa657; }
.annotated-code .out { color: var(--green); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 9px; }
.options-table { width: 100%; border-collapse: collapse; background: var(--surface); }
.options-table th, .options-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; font-size: .83rem; }
.options-table tr:last-child td { border-bottom: 0; }
.options-table th { background: var(--panel); color: var(--muted); font-size: .68rem; letter-spacing: .07em; text-transform: uppercase; }
.options-table td:first-child { width: 35%; }
.options-table code { color: var(--green); overflow-wrap: anywhere; }
.warning-box {
  padding: 16px 18px;
  border: 1px solid #6e3030;
  border-left: 4px solid var(--red);
  border-radius: 8px;
  background: #2a1718;
  color: #ffd2d0;
}
.related-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.related-card {
  display: grid;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px;
  background: var(--surface);
  text-align: left;
  cursor: pointer;
}
.related-card:hover, .related-card:focus-visible { border-color: var(--accent); background: var(--panel); }
.related-card code { color: var(--accent); font-size: .76rem; overflow-wrap: anywhere; }
.related-card span { color: var(--muted); font-size: .75rem; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 46px; }
.pager button {
  display: grid;
  gap: 3px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--surface);
  text-align: left;
  cursor: pointer;
}
.pager button:hover, .pager button:focus-visible { border-color: var(--accent); }
.pager button.next { text-align: right; }
.pager button span { color: var(--muted); font-size: .69rem; }
.pager button strong { color: var(--accent); font-family: "JetBrains Mono", Consolas, monospace; overflow-wrap: anywhere; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 28px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: .75rem;
}
.site-footer p { margin: 0; }
.site-footer button { border: 0; padding: 0; background: transparent; color: var(--accent); cursor: pointer; }
.noscript-message { margin: 20px; padding: 16px; border: 1px solid var(--red); border-radius: 8px; background: #2a1718; }

@media (max-width: 1000px) {
  :root { --sidebar-width: 275px; }
  .command-card-grid, .use-case-grid, .related-grid { grid-template-columns: 1fr; }
  .primary-mapping { grid-template-columns: 1fr auto 1fr; }
  .primary-copy { grid-column: 1 / -1; justify-self: stretch; }
}

@media (max-width: 760px) {
  .site-header { position: static; flex-wrap: wrap; padding: 12px 16px; }
  .tagline { order: 3; width: 100%; padding: 0; border: 0; }
  .app-shell { display: block; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .category-tabs { max-height: none; }
  .cmd-list { max-height: 330px; }
  .main-content { padding: 24px 16px 52px; }
  .primary-mapping { grid-template-columns: 1fr; }
  .mapping-arrow { justify-self: center; transform: rotate(90deg); }
  .site-footer { flex-direction: column; }
}

@media (max-width: 480px) {
  .stats { display: none; }
  .cmd-item { grid-template-columns: 96px minmax(0, 1fr); }
  .copy-row { grid-template-columns: 1fr; }
  .copy-btn { justify-self: start; }
  .primary-copy { width: 100%; }
  .pager { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────────────────
   Theme system, crawlable links and quality-of-life UI
   ───────────────────────────────────────────────────── */
:root {
  --header-bg: rgba(22, 27, 34, .96);
  --hero-end: #111827;
  --hero-copy: #bdc7d2;
  --mapping-bg: rgba(13, 17, 23, .76);
  --prose: #c4ccd6;
  --tip-text: #cbd3dc;
  --accent-contrast: #06111f;
  --windows-badge-bg: #0a2d52;
  --windows-badge-border: #1a4a7a;
  --linux-badge-bg: #2a1a0a;
  --linux-badge-border: #6a3a1a;
  --warning-bg: #2a1718;
  --warning-border: #6e3030;
  --warning-text: #ffd2d0;
  --code-comment: #7d8590;
  --code-argument: #ffa657;
  --shadow: 0 12px 32px rgba(0, 0, 0, .18);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f8fa;
  --surface: #ffffff;
  --panel: #f0f3f6;
  --border: #d0d7de;
  --accent: #0969da;
  --accent-strong: #0550ae;
  --green: #1a7f37;
  --orange: #bc4c00;
  --red: #cf222e;
  --text: #1f2328;
  --muted: #59636e;
  --code-bg: #f6f8fa;
  --hover: #f3f4f6;
  --selected: #ddf4ff;
  --header-bg: rgba(255, 255, 255, .96);
  --hero-end: #f6f8fa;
  --hero-copy: #46515c;
  --mapping-bg: rgba(255, 255, 255, .84);
  --prose: #3f4b57;
  --tip-text: #3f4b57;
  --accent-contrast: #ffffff;
  --windows-badge-bg: #ddf4ff;
  --windows-badge-border: #54aeff;
  --linux-badge-bg: #fff1e5;
  --linux-badge-border: #fb8f44;
  --warning-bg: #fff1f0;
  --warning-border: #ff8182;
  --warning-text: #82071e;
  --code-comment: #59636e;
  --code-argument: #953800;
  --shadow: 0 12px 30px rgba(31, 35, 40, .09);
}

.site-header { background: var(--header-bg); }
.hero-card {
  background:
    radial-gradient(circle at 88% 16%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 30%),
    linear-gradient(145deg, var(--surface), var(--hero-end));
}
.hero-copy, .article-summary { color: var(--hero-copy); }
.article-header {
  background:
    radial-gradient(circle at 88% 12%, color-mix(in srgb, var(--green) 10%, transparent), transparent 28%),
    linear-gradient(145deg, var(--surface), var(--hero-end));
}
.primary-mapping { background: var(--mapping-bg); }
.prose, .section-intro { color: var(--prose); }
.tip-box { color: var(--tip-text); }
.windows-badge { border-color: var(--windows-badge-border); background: var(--windows-badge-bg); }
.linux-badge { border-color: var(--linux-badge-border); background: var(--linux-badge-bg); }
.warning-box,
.noscript-message {
  border-color: var(--warning-border);
  background: var(--warning-bg);
  color: var(--warning-text);
}
.annotated-code .comment { color: var(--code-comment); }
.annotated-code .arg { color: var(--code-argument); }
.skip-link,
.cat-btn.active { color: var(--accent-contrast); }

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-actions .stats { margin-left: 0; }
.theme-toggle {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 11px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: .73rem;
  font-weight: 750;
  white-space: nowrap;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--accent);
  background: var(--selected);
}
.theme-toggle:active { transform: translateY(1px); }
.theme-icon {
  width: 1.1rem;
  display: inline-grid;
  place-items: center;
  color: var(--accent);
  font-size: .95rem;
  line-height: 1;
}

.cmd-item,
.command-card,
.related-card,
.pager a {
  color: inherit;
  text-decoration: none;
}
.cmd-item:focus-visible,
.command-card:focus-visible,
.related-card:focus-visible,
.pager a:focus-visible,
.copy-link-button:focus-visible,
.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.copy-link-button {
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 6px 10px;
  background: var(--surface);
  color: var(--accent);
  cursor: pointer;
  font-size: .72rem;
  font-weight: 800;
}
.copy-link-button:hover { border-color: var(--accent); background: var(--selected); }

.pager a {
  display: grid;
  gap: 3px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--surface);
  text-align: left;
  cursor: pointer;
}
.pager a:hover { border-color: var(--accent); }
.pager a.next { text-align: right; }
.pager a span { color: var(--muted); font-size: .69rem; }
.pager a strong { color: var(--accent); font-family: "JetBrains Mono", Consolas, monospace; overflow-wrap: anywhere; }

.learning-section,
.faq-section {
  max-width: 1100px;
  margin: 64px auto 0;
}
.learning-heading { align-items: end; }
.learning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.learning-grid article {
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 18px;
  background: var(--surface);
}
.learning-grid h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: .94rem;
  line-height: 1.35;
}
.learning-grid p {
  margin: 0;
  color: var(--muted);
  font-size: .82rem;
}
.learning-grid code,
.faq-list code { color: var(--green); }
.faq-list {
  display: grid;
  gap: 9px;
  margin-top: 18px;
}
.faq-list details {
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
}
.faq-list summary {
  padding: 14px 16px;
  color: var(--text);
  cursor: pointer;
  font-weight: 750;
}
.faq-list details[open] summary { border-bottom: 1px solid var(--border); }
.faq-list p {
  margin: 0;
  padding: 14px 16px 16px;
  color: var(--muted);
  font-size: .84rem;
}

html[data-theme="light"] .hero-card,
html[data-theme="light"] .article-header,
html[data-theme="light"] .command-card:hover,
html[data-theme="light"] .theme-toggle {
  box-shadow: var(--shadow);
}

@media (max-width: 1000px) {
  .learning-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .header-actions { margin-left: auto; }
  .theme-toggle span:last-child { display: none; }
  .theme-toggle { width: 38px; padding: 6px; }
  .detail-actions { gap: 8px; }
}

@media (max-width: 480px) {
  .header-actions { gap: 8px; }
  .detail-toolbar { align-items: flex-start; }
  .detail-actions { align-items: flex-end; flex-direction: column-reverse; }
  .copy-link-button { padding: 5px 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media print {
  :root,
  html[data-theme="light"] {
    --bg: #ffffff;
    --surface: #ffffff;
    --panel: #ffffff;
    --border: #c8c8c8;
    --text: #111111;
    --muted: #444444;
    --code-bg: #f4f4f4;
    --prose: #222222;
    --hero-copy: #222222;
  }
  .site-header,
  .sidebar,
  .site-footer,
  .detail-toolbar,
  .copy-btn,
  .related-grid,
  .pager,
  .welcome-view { display: none !important; }
  .app-shell { display: block; }
  .main-content { padding: 0; }
  .detail-view { max-width: none; }
  .article-header,
  .content-section { break-inside: avoid; }
  body { background: #fff; color: #111; }
}


/* ─────────────────────────────────────────────────────────────
   Primary navigation + Linux distro comparison page
   ───────────────────────────────────────────────────────────── */
.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav-link {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: .75rem;
  font-weight: 750;
  white-space: nowrap;
}
.site-nav-link:hover,
.site-nav-link:focus-visible {
  border-color: var(--border);
  background: var(--panel);
  color: var(--text);
}
.site-nav-link.active {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent) 13%, var(--panel));
  color: var(--accent);
}
.footer-links { display: flex; align-items: center; gap: 16px; }
.footer-links a { color: var(--accent); text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }

.distro-page { overflow-x: hidden; }
.distro-main {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(28px, 5vw, 72px) 0 80px;
}
.distro-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, .65fr);
  gap: 24px;
  align-items: stretch;
}
.distro-hero > div,
.accuracy-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
}
.distro-hero > div {
  padding: clamp(28px, 5vw, 62px);
  background:
    radial-gradient(circle at 88% 12%, color-mix(in srgb, var(--green) 14%, transparent), transparent 30%),
    radial-gradient(circle at 8% 90%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 34%),
    var(--surface);
}
.distro-hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.35rem, 6vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.065em;
}
.distro-lead {
  max-width: 860px;
  margin: 22px 0 0;
  color: var(--hero-copy);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.hero-meta span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--panel);
  color: var(--muted);
  font: 650 .72rem/1.3 "JetBrains Mono", Consolas, monospace;
}
.accuracy-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 10%, var(--surface)), var(--surface));
}
.accuracy-card strong { color: var(--accent); font-size: 1.05rem; }
.accuracy-card p { margin: 10px 0 18px; color: var(--muted); font-size: .88rem; }
.accuracy-card a { color: var(--accent); font-weight: 800; text-decoration: none; }

.distro-jump-nav {
  position: sticky;
  top: 66px;
  z-index: 30;
  display: flex;
  gap: 7px;
  overflow-x: auto;
  margin: 22px 0 0;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  scrollbar-width: thin;
}
.distro-jump-nav a {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: .74rem;
  font-weight: 750;
}
.distro-jump-nav a:hover { background: var(--panel); color: var(--accent); }

.distro-section { scroll-margin-top: 130px; margin-top: 74px; }
.distro-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
}
.distro-section-heading h2 { margin: 0; font-size: clamp(1.45rem, 3vw, 2.25rem); letter-spacing: -.035em; }
.distro-section-heading > p { max-width: 440px; margin: 0; color: var(--muted); font-size: .8rem; text-align: right; }
.quick-pick-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.quick-pick {
  min-height: 170px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 18px;
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  transition: transform .15s ease, border-color .15s ease;
}
.quick-pick:hover { transform: translateY(-2px); border-color: var(--accent); }
.quick-pick > span { color: var(--accent); font-size: .67rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.quick-pick strong { margin-top: 9px; font-size: 1.08rem; }
.quick-pick p { margin: 8px 0 0; color: var(--muted); font-size: .82rem; }

.distro-filters { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.distro-filter {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 11px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  font-size: .72rem;
  font-weight: 750;
}
.distro-filter:hover,
.distro-filter:focus-visible { border-color: var(--accent); color: var(--accent); }
.distro-filter.active { border-color: var(--accent); background: var(--accent); color: var(--accent-contrast); }
.distro-directory {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.distro-directory-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 13px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 13px 15px;
  background: var(--surface);
  color: inherit;
  text-decoration: none;
}
.distro-directory-card:hover { border-color: var(--accent); background: var(--panel); }
.distro-directory-card > div { min-width: 0; display: grid; gap: 2px; }
.distro-directory-card strong { font-size: .9rem; }
.distro-directory-card div span { overflow: hidden; color: var(--muted); font-size: .76rem; text-overflow: ellipsis; white-space: nowrap; }
.distro-directory-card em { color: var(--muted); font: 650 .69rem/1.3 "JetBrains Mono", Consolas, monospace; font-style: normal; text-align: right; }
.distro-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--distro-color) 70%, var(--border));
  border-radius: 12px;
  background: color-mix(in srgb, var(--distro-color) 18%, var(--panel));
  color: color-mix(in srgb, var(--distro-color) 86%, var(--text));
  font: 900 .82rem/1 "JetBrains Mono", Consolas, monospace;
}
.distro-mark.large { width: 68px; height: 68px; border-radius: 18px; font-size: 1.1rem; }
.distro-dot { width: 10px; height: 10px; display: inline-block; margin-right: 8px; border-radius: 50%; background: var(--distro-color); }

.methodology-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.methodology-grid article {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  background: var(--surface);
}
.methodology-grid strong { color: var(--text); }
.methodology-grid p { margin: 7px 0 0; color: var(--muted); font-size: .8rem; }
.methodology-note {
  margin-top: 12px;
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  background: var(--panel);
  color: var(--muted);
  font-size: .84rem;
}
.methodology-note strong { color: var(--accent); }

.distro-table-wrap { overflow-x: auto; margin-top: 18px; border: 1px solid var(--border); border-radius: 12px; }
.distro-comparison-table,
.score-table { width: 100%; border-collapse: collapse; background: var(--surface); font-size: .78rem; }
.distro-comparison-table caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.distro-comparison-table th,
.distro-comparison-table td,
.score-table th,
.score-table td { padding: 13px 14px; border-bottom: 1px solid var(--border); vertical-align: top; text-align: left; }
.distro-comparison-table thead th,
.score-table thead th { background: var(--panel); color: var(--muted); font-size: .68rem; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.distro-comparison-table tbody tr:last-child td,
.score-table tbody tr:last-child td,
.score-table tbody tr:last-child th { border-bottom: 0; }
.distro-comparison-table tbody tr:hover,
.score-table tbody tr:hover { background: var(--hover); }
.distro-comparison-table a,
.score-table a { color: var(--text); text-decoration: none; font-weight: 800; white-space: nowrap; }
.distro-comparison-table a:hover,
.score-table a:hover { color: var(--accent); }

.visual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; }
.visual-card { margin: 0; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); overflow: hidden; }
.visual-card figcaption { display: grid; gap: 3px; padding: 17px 19px; border-bottom: 1px solid var(--border); }
.visual-card figcaption strong { font-size: .95rem; }
.visual-card figcaption span { color: var(--muted); font-size: .76rem; }
.svg-scroll { overflow-x: auto; padding: 16px; }
.svg-scroll svg { width: 100%; min-width: 560px; height: auto; }
.tree-line { fill: none; stroke: var(--border); stroke-width: 3; }
.tree-node { fill: var(--panel); stroke: var(--border); stroke-width: 2; }
.tree-node.ubuntu-node { stroke: #e95420; }
.tree-node.mint-node { stroke: #87cf3e; }
.tree-node.pop-node { stroke: #48b9c7; }
.tree-node.zorin-node { stroke: #15a6f0; }
.tree-node.fedora-node { stroke: #51a2da; }
.tree-node.arch-node { stroke: #1793d1; }
.tree-node.suse-node { stroke: #73ba25; }
.family-tree text { fill: var(--text); font: 800 15px/1 system-ui, sans-serif; }
.family-tree .tree-sub { fill: var(--muted); font-size: 11px; font-weight: 600; }
.plot-bg { fill: var(--panel); stroke: var(--border); }
.plot-grid line { stroke: var(--border); stroke-width: 1; stroke-dasharray: 4 5; }
.plot-axis { stroke: var(--muted); stroke-width: 1.5; }
.axis-label { fill: var(--text); font: 800 13px/1 system-ui, sans-serif; }
.tick-label,
.quadrant-label { fill: var(--muted); font: 600 10px/1 system-ui, sans-serif; }
.plot-point { fill: var(--point-color); stroke: var(--bg); stroke-width: 3; transition: r .15s ease; }
.plot-point-link:hover .plot-point { r: 13; }
.plot-label { fill: var(--text); font: 750 10px/1 system-ui, sans-serif; paint-order: stroke; stroke: var(--panel); stroke-width: 4px; stroke-linejoin: round; }
.heatmap-card { margin-top: 14px; }
.score-table th:not(:first-child), .score-table td { text-align: center; }
.score {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  color: var(--text);
  font: 850 .75rem/1 "JetBrains Mono", Consolas, monospace;
}
.score-1 { background: color-mix(in srgb, var(--red) 16%, var(--panel)); border: 1px solid color-mix(in srgb, var(--red) 45%, var(--border)); }
.score-2 { background: color-mix(in srgb, var(--orange) 15%, var(--panel)); border: 1px solid color-mix(in srgb, var(--orange) 42%, var(--border)); }
.score-3 { background: color-mix(in srgb, var(--accent) 13%, var(--panel)); border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--border)); }
.score-4 { background: color-mix(in srgb, var(--green) 15%, var(--panel)); border: 1px solid color-mix(in srgb, var(--green) 40%, var(--border)); }
.score-5 { background: color-mix(in srgb, var(--green) 27%, var(--panel)); border: 1px solid color-mix(in srgb, var(--green) 66%, var(--border)); }
.score-legend { display: flex; flex-wrap: wrap; gap: 14px; padding: 13px 18px 18px; color: var(--muted); font-size: .72rem; }
.score-legend span { display: inline-flex; align-items: center; gap: 7px; }
.score-legend .score { font-style: normal; }

.distro-profile-list { display: grid; gap: 28px; margin-top: 20px; }
.distro-profile {
  scroll-margin-top: 132px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  overflow: hidden;
}
.distro-profile-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: clamp(22px, 4vw, 34px);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(145deg, color-mix(in srgb, var(--panel) 75%, transparent), var(--surface));
}
.distro-profile-header h2 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.7rem); letter-spacing: -.045em; }
.distro-profile-header p:last-child { max-width: 780px; margin: 8px 0 0; color: var(--muted); font-size: .88rem; }
.official-download {
  border: 1px solid var(--accent);
  border-radius: 9px;
  padding: 10px 13px;
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  color: var(--accent);
  text-decoration: none;
  font-size: .76rem;
  font-weight: 850;
  white-space: nowrap;
}
.official-download:hover { background: var(--accent); color: var(--accent-contrast); }
.distro-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--border); }
.distro-facts div { min-width: 0; display: grid; gap: 3px; padding: 14px 18px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.distro-facts div:nth-child(3n) { border-right: 0; }
.distro-facts div:nth-last-child(-n+3) { border-bottom: 0; }
.distro-facts span { color: var(--muted); font-size: .64rem; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.distro-facts strong { overflow-wrap: anywhere; font-size: .8rem; }
.distro-profile-grid { display: grid; grid-template-columns: 1.15fr 1fr .9fr; gap: 18px; padding: clamp(22px, 4vw, 34px); }
.distro-profile-grid h3 { margin: 0 0 10px; font-size: .95rem; }
.distro-profile-grid p,
.distro-profile-grid li { color: var(--muted); font-size: .81rem; }
.distro-profile-grid ul { margin: 0 0 22px; padding-left: 20px; }
.distro-profile-grid li + li { margin-top: 6px; }
.pros-cons-grid { display: grid; gap: 12px; }
.pros-box,
.cons-box,
.fit-panel { border: 1px solid var(--border); border-radius: 11px; padding: 16px; background: var(--panel); }
.pros-box { border-left: 3px solid var(--green); }
.cons-box { border-left: 3px solid var(--orange); }
.fit-panel > p { margin: -4px 0 14px; font-size: .72rem; }
.metric-row { display: grid; grid-template-columns: minmax(105px, 1fr) 1.2fr auto; gap: 8px; align-items: center; margin-top: 9px; }
.metric-row > span { color: var(--muted); font-size: .68rem; }
.metric-row > strong { color: var(--text); font: 750 .66rem/1 "JetBrains Mono", Consolas, monospace; }
.metric-track { height: 7px; overflow: hidden; border-radius: 999px; background: var(--surface); }
.metric-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), var(--green)); }
.decision-strip { display: grid; grid-template-columns: 1fr 1fr auto; gap: 16px; align-items: start; padding: 18px 24px; border-top: 1px solid var(--border); background: var(--panel); }
.decision-strip span { color: var(--accent); font-size: .65rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.decision-strip p { margin: 5px 0 0; color: var(--muted); font-size: .77rem; }
.profile-links { display: grid; gap: 7px; text-align: right; }
.profile-links a { color: var(--accent); text-decoration: none; font-size: .72rem; font-weight: 800; }

.venn-card { margin-top: 18px; }
.venn-circle { stroke-width: 3; mix-blend-mode: screen; }
.windows-circle { fill: rgba(47, 155, 255, .24); stroke: #2f9bff; }
.linux-circle { fill: rgba(255, 112, 67, .22); stroke: #ff7043; }
html[data-theme="light"] .venn-circle { mix-blend-mode: multiply; }
.venn-heading { fill: var(--text); font: 850 18px/1 system-ui, sans-serif; }
.overlap-heading { fill: var(--green); }
.venn-copy { fill: var(--text); font: 650 14px/1.4 system-ui, sans-serif; }
.overlap-copy { fill: var(--text); }
.migration-checklist { margin-top: 14px; border: 1px solid var(--border); border-radius: 12px; padding: 20px 22px; background: var(--surface); }
.migration-checklist h3 { margin: 0; }
.migration-checklist ol { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin: 14px 0 0; padding: 0; list-style: none; counter-reset: migration; }
.migration-checklist li { counter-increment: migration; border: 1px solid var(--border); border-radius: 9px; padding: 13px; color: var(--muted); font-size: .76rem; }
.migration-checklist li::before { content: counter(migration); width: 24px; height: 24px; display: grid; place-items: center; margin-bottom: 9px; border-radius: 50%; background: var(--accent); color: var(--accent-contrast); font-weight: 900; }

.source-intro { max-width: 850px; color: var(--muted); font-size: .83rem; }
.source-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 16px; }
.source-grid a { min-width: 0; display: grid; gap: 3px; border: 1px solid var(--border); border-radius: 9px; padding: 13px 15px; background: var(--surface); color: inherit; text-decoration: none; }
.source-grid a:hover { border-color: var(--accent); }
.source-grid strong { color: var(--text); font-size: .82rem; }
.source-grid span { overflow: hidden; color: var(--muted); font: 550 .67rem/1.4 "JetBrains Mono", Consolas, monospace; text-overflow: ellipsis; white-space: nowrap; }

@media (max-width: 1100px) {
  .quick-pick-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .methodology-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .distro-profile-grid { grid-template-columns: 1fr 1fr; }
  .fit-panel { grid-column: 1 / -1; }
  .migration-checklist ol { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .site-header .tagline { display: none; }
  .distro-hero { grid-template-columns: 1fr; }
  .visual-grid { grid-template-columns: 1fr; }
  .distro-profile-header { grid-template-columns: auto minmax(0, 1fr); }
  .official-download { grid-column: 1 / -1; justify-self: start; }
  .distro-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .distro-facts div:nth-child(3n) { border-right: 1px solid var(--border); }
  .distro-facts div:nth-child(2n) { border-right: 0; }
  .distro-facts div:nth-last-child(-n+3) { border-bottom: 1px solid var(--border); }
  .distro-facts div:nth-last-child(-n+2) { border-bottom: 0; }
  .decision-strip { grid-template-columns: 1fr 1fr; }
  .profile-links { grid-column: 1 / -1; text-align: left; grid-template-columns: repeat(2, max-content); }
}
@media (max-width: 760px) {
  .site-header { gap: 10px; padding-inline: 14px; }
  .site-nav-link { padding: 5px 8px; font-size: .68rem; }
  .distro-main { width: min(100% - 24px, 1240px); padding-top: 28px; }
  .distro-jump-nav { top: 62px; }
  .distro-section { margin-top: 56px; }
  .distro-section-heading { align-items: flex-start; flex-direction: column; gap: 4px; }
  .distro-section-heading > p { text-align: left; }
  .distro-directory { grid-template-columns: 1fr; }
  .methodology-grid { grid-template-columns: 1fr; }
  .distro-profile-grid { grid-template-columns: 1fr; }
  .fit-panel { grid-column: auto; }
  .decision-strip { grid-template-columns: 1fr; }
  .profile-links { grid-column: auto; grid-template-columns: 1fr; }
  .source-grid { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}
@media (max-width: 560px) {
  .site-nav-link:first-child { display: none; }
  .quick-pick-grid { grid-template-columns: 1fr; }
  .quick-pick { min-height: 0; }
  .distro-profile-header { grid-template-columns: 1fr; }
  .distro-mark.large { width: 56px; height: 56px; }
  .distro-facts { grid-template-columns: 1fr; }
  .distro-facts div,
  .distro-facts div:nth-child(3n),
  .distro-facts div:nth-child(2n) { border-right: 0; border-bottom: 1px solid var(--border); }
  .distro-facts div:last-child { border-bottom: 0; }
  .migration-checklist ol { grid-template-columns: 1fr; }
}
@media print {
  .distro-page .site-header,
  .distro-jump-nav,
  .distro-filters,
  .official-download,
  .site-footer { display: none !important; }
  .distro-main { width: 100%; padding: 0; }
  .distro-section { break-before: page; }
  .distro-profile { break-inside: avoid; }
}


/* ── Expanded navigation and 50-distro database ───────────────────────── */
.site-header { min-height: 82px; }
.site-nav-prominent { gap: 10px; margin-left: 4px; }
.site-nav-prominent .site-nav-link {
  min-width: 154px; min-height: 54px; display: grid; grid-template-columns: 34px 1fr;
  align-items: center; gap: 10px; border: 1px solid var(--border); border-radius: 13px;
  padding: 8px 12px; background: var(--surface); color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,.12); transition: transform .15s ease,border-color .15s ease,background .15s ease;
}
.site-nav-prominent .site-nav-link:hover,.site-nav-prominent .site-nav-link:focus-visible { transform: translateY(-2px); border-color: var(--accent); background: var(--panel); }
.site-nav-prominent .site-nav-link.active { border-color: color-mix(in srgb,var(--accent) 78%,var(--border)); background: linear-gradient(145deg,color-mix(in srgb,var(--accent) 20%,var(--surface)),var(--surface)); color: var(--text); box-shadow: 0 0 0 1px color-mix(in srgb,var(--accent) 18%,transparent),0 12px 30px rgba(0,0,0,.18); }
.nav-icon { width: 34px; height: 34px; display:grid; place-items:center; border-radius:10px; background:color-mix(in srgb,var(--accent) 14%,var(--panel)); color:var(--accent); font:900 1rem/1 "JetBrains Mono",monospace; }
.nav-copy { display:grid; line-height:1.05; }
.nav-copy strong { font-size:.83rem; }
.nav-copy small { margin-top:5px; color:var(--muted); font-size:.62rem; font-weight:650; }
.site-nav-link.active .nav-icon { background:var(--accent); color:var(--accent-contrast); }
.hero-route-cards { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; margin:25px 0 18px; }
.hero-route-card { display:grid; grid-template-columns:42px 1fr; gap:12px; align-items:center; border:1px solid var(--border); border-radius:13px; padding:15px; background:var(--surface); color:var(--text); text-decoration:none; }
.hero-route-card:hover { border-color:var(--accent); transform:translateY(-2px); }
.hero-route-card>span { width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:var(--panel);color:var(--accent);font-weight:900; }
.hero-route-card div { display:grid; }
.hero-route-card strong { font-size:.9rem; }
.hero-route-card small { margin-top:3px;color:var(--muted);font-size:.72rem; }
.hero-route-card.active { background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 12%,var(--surface)),var(--surface));border-color:color-mix(in srgb,var(--accent) 55%,var(--border)); }
.expanded-distro-page .distro-main { width:min(1440px,calc(100% - 40px)); }
.quick-pick-grid-wide { grid-template-columns:repeat(4,minmax(0,1fr)); }
.distro-search-wrap { display:grid; gap:7px; margin-top:18px; }
.distro-search-wrap label { color:var(--muted);font-size:.72rem;font-weight:800; }
.distro-search-wrap input { width:min(760px,100%);border:1px solid var(--border);border-radius:11px;padding:12px 14px;background:var(--panel);color:var(--text);outline:none; }
.distro-search-wrap input:focus { border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent); }
.expanded-distro-page .distro-directory { grid-template-columns:repeat(3,minmax(0,1fr)); }
.expanded-distro-page .distro-directory-card em { max-width:150px; }
.bar-chart { display:grid; gap:12px; padding:20px; }
.bar-row { display:grid; grid-template-columns:minmax(130px,1.2fr) minmax(140px,3fr) 32px; gap:12px; align-items:center; }
.bar-row>span { color:var(--muted);font-size:.75rem; }
.bar-row>strong { text-align:right;font:800 .75rem/1 "JetBrains Mono",monospace; }
.bar-track { height:11px;overflow:hidden;border-radius:999px;background:var(--panel); }
.bar-track i { display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--green)); }
.bar-track.model i { background:linear-gradient(90deg,var(--orange),var(--accent)); }
.scatter-card { margin-top:14px; }
.profile-tools { display:flex;flex-wrap:wrap;gap:8px;margin-top:18px; }
.profile-tools button { border:1px solid var(--border);border-radius:9px;padding:8px 11px;background:var(--panel);color:var(--text);cursor:pointer;font-size:.72rem;font-weight:800; }
.profile-tools button:hover { border-color:var(--accent);color:var(--accent); }
details.distro-profile>summary { list-style:none;cursor:pointer; }
details.distro-profile>summary::-webkit-details-marker { display:none; }
.profile-number { display:block;color:var(--accent);font:800 .64rem/1 "JetBrains Mono",monospace;letter-spacing:.07em;text-transform:uppercase; }
.distro-profile-header strong { display:block;margin-top:7px;font-size:clamp(1.35rem,3vw,2.15rem);letter-spacing:-.035em; }
.distro-profile-header small { display:block;margin-top:4px;color:var(--muted);font-size:.8rem; }
.profile-expand { display:inline-flex;align-items:center;gap:10px;color:var(--accent);font-size:.72rem;font-weight:850;white-space:nowrap; }
.profile-expand b { width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--border);border-radius:8px;background:var(--panel);font-size:1rem; }
details.distro-profile[open] .distro-profile-header { border-bottom:1px solid var(--border); }
.heatmap-scroll { max-height:680px;overflow:auto; }
.heatmap-scroll thead { position:sticky;top:0;z-index:4; }
.source-grid-dense { grid-template-columns:repeat(3,minmax(0,1fr)); }
.expanded-distro-page .migration-checklist { margin-top:74px; }
@media(max-width:1180px){.expanded-distro-page .distro-directory{grid-template-columns:repeat(2,minmax(0,1fr))}.quick-pick-grid-wide{grid-template-columns:repeat(3,minmax(0,1fr))}.source-grid-dense{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:960px){.site-header{flex-wrap:wrap}.site-nav-prominent{order:3;width:100%;margin:0}.site-nav-prominent .site-nav-link{flex:1;min-width:0}.app-shell{min-height:calc(100vh - 150px)}.sidebar{top:150px;height:calc(100vh - 150px)}.quick-pick-grid-wide{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.site-nav-prominent .site-nav-link{padding:7px 9px;grid-template-columns:30px 1fr}.nav-icon{width:30px;height:30px}.nav-copy small{display:none}.hero-route-cards{grid-template-columns:1fr}.expanded-distro-page .distro-directory{grid-template-columns:1fr}.source-grid-dense{grid-template-columns:1fr}.bar-row{grid-template-columns:110px minmax(100px,1fr) 26px}.distro-profile-header{grid-template-columns:auto 1fr}.profile-expand{grid-column:1/-1}.quick-pick-grid-wide{grid-template-columns:1fr}}
@media(max-width:560px){.site-nav-link:first-child{display:grid}.site-header{padding:10px}.site-nav-prominent{gap:7px}.site-nav-prominent .site-nav-link{min-height:45px}.logo-button{font-size:1rem}.expanded-distro-page .distro-main{width:min(100% - 20px,1440px)}.distro-directory-card{grid-template-columns:auto 1fr}.distro-directory-card em{grid-column:2;text-align:left!important}.distro-profile-header{grid-template-columns:1fr}.distro-mark.large{width:52px;height:52px}.profile-expand{grid-column:auto}}


/* ── Legible distro positioning matrix ─────────────────────────────── */
.matrix-card { margin-top: 14px; }
.matrix-key {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
}
.matrix-key-item {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr;
  gap: 7px;
  align-items: center;
  min-width: 0;
  color: var(--muted);
  font-size: .68rem;
}
.matrix-key-item strong { color: var(--text); font-size: .7rem; }
.matrix-key-item b { color: var(--accent); }
.matrix-key-item span:last-child { text-align: right; }
.matrix-scroll {
  overflow-x: auto;
  padding: 16px;
  scrollbar-gutter: stable;
}
.matrix-scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -4px;
  border-radius: 10px;
}
.distro-score-matrix {
  display: grid;
  grid-template-columns: 132px repeat(5, minmax(176px, 1fr));
  gap: 8px;
  min-width: 1080px;
  align-items: stretch;
}
.matrix-corner,
.matrix-col-head,
.matrix-row-head {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel);
  color: var(--muted);
  font: 800 .67rem/1.25 "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  text-align: center;
}
.matrix-corner { color: var(--text); background: color-mix(in srgb, var(--accent) 11%, var(--panel)); }
.matrix-col-head { color: var(--accent); }
.matrix-row-head { justify-content: flex-start; color: var(--orange); }
.matrix-cell {
  position: relative;
  min-height: 118px;
  padding: 31px 9px 9px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface) 92%, var(--panel));
}
.matrix-cell:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); }
.matrix-cell-count {
  position: absolute;
  top: 9px;
  right: 10px;
  color: var(--muted);
  font: 700 .58rem/1 "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.matrix-chip-list { display: flex; flex-wrap: wrap; gap: 6px; align-content: flex-start; }
.matrix-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  font-size: .68rem;
  font-weight: 750;
  line-height: 1.15;
}
.matrix-chip:hover,
.matrix-chip:focus-visible {
  border-color: var(--distro-color, var(--accent));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--distro-color, var(--accent)) 17%, transparent);
  transform: translateY(-1px);
}
.matrix-chip-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--distro-color, var(--accent));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--distro-color, var(--accent)) 22%, transparent);
}
.matrix-cell.is-empty {
  background: repeating-linear-gradient(135deg, transparent 0 8px, color-mix(in srgb, var(--border) 28%, transparent) 8px 9px);
}
.matrix-empty-label {
  display: block;
  max-width: 130px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: .62rem;
  line-height: 1.35;
  text-align: center;
}
.matrix-note {
  margin: 0;
  padding: 0 18px 16px;
  color: var(--muted);
  font-size: .67rem;
  line-height: 1.55;
}
@media (max-width: 760px) {
  .matrix-key { grid-template-columns: 1fr; }
  .matrix-key-item { grid-template-columns: 1fr; gap: 3px; }
  .matrix-key-item b { display: none; }
  .matrix-key-item span:last-child { text-align: left; }
  .distro-score-matrix { grid-template-columns: 116px repeat(5, minmax(164px, 1fr)); min-width: 980px; }
}


/* ── Advanced multi-select distro explorer ─────────────────────────────── */
.advanced-filter-panel {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 4%, transparent), transparent 42%),
    var(--surface);
}
.filter-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(310px, .75fr);
  gap: 18px;
  align-items: end;
}
.advanced-filter-panel .distro-search-wrap { margin-top: 0; }
.search-input-shell { position: relative; width: 100%; }
.search-input-shell .search-input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font: 800 1.05rem/1 "JetBrains Mono", Consolas, monospace;
  pointer-events: none;
}
.advanced-filter-panel .distro-search-wrap input {
  width: 100%;
  min-height: 49px;
  padding: 12px 72px 12px 42px;
  background: var(--bg);
}
.search-clear-button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  border-radius: 8px;
  padding: 7px 9px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
  font-size: .68rem;
  font-weight: 800;
}
.search-clear-button:hover { color: var(--accent); }
.filter-control-label {
  color: var(--muted);
  font-size: .69rem;
  font-weight: 850;
  letter-spacing: .035em;
  text-transform: uppercase;
}
.filter-mode-control { display: grid; gap: 7px; }
.filter-mode-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}
.filter-mode-button {
  min-height: 49px;
  display: grid;
  align-content: center;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 11px;
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font-size: .74rem;
  font-weight: 850;
}
.filter-mode-button small { color: var(--muted); font-size: .61rem; font-weight: 650; }
.filter-mode-button:hover,
.filter-mode-button:focus-visible { border-color: var(--accent); }
.filter-mode-button.active {
  border-color: color-mix(in srgb, var(--accent) 72%, var(--border));
  background: color-mix(in srgb, var(--accent) 13%, var(--panel));
  color: var(--accent);
}
.filter-mode-button.active small { color: color-mix(in srgb, var(--accent) 65%, var(--muted)); }
.filter-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
  margin-top: 16px;
}
.filter-group {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: color-mix(in srgb, var(--panel) 52%, transparent);
}
.filter-group legend {
  padding: 0 7px;
  color: var(--text);
  font-size: .69rem;
  font-weight: 850;
  letter-spacing: .025em;
}
.filter-group .distro-filters { margin-top: 0; }
.advanced-filter-panel .distro-filter {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 33px;
  padding: 6px 8px 6px 11px;
  background: var(--bg);
  transition: border-color .14s ease, background .14s ease, color .14s ease, opacity .14s ease;
}
.advanced-filter-panel .distro-filter::before {
  content: '';
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border: 1px solid var(--muted);
  border-radius: 50%;
}
.advanced-filter-panel .distro-filter.active::before {
  border-color: currentColor;
  background: currentColor;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}
.advanced-filter-panel .distro-filter.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  color: var(--accent);
}
.advanced-filter-panel .distro-filter.zero-results:not(.active) { opacity: .44; }
.filter-count {
  min-width: 22px;
  border-radius: 999px;
  padding: 2px 6px;
  background: var(--panel);
  color: var(--muted);
  font: 800 .61rem/1.25 "JetBrains Mono", Consolas, monospace;
  text-align: center;
}
.distro-filter.active .filter-count {
  background: color-mix(in srgb, var(--accent) 20%, var(--panel));
  color: var(--accent);
}
.selected-filter-bar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-top: 15px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.selected-filter-summary { min-width: 0; display: grid; gap: 8px; }
.selected-filter-chips { display: flex; flex-wrap: wrap; gap: 6px; min-height: 29px; align-items: center; }
.selected-filter-empty { color: var(--muted); font-size: .72rem; }
.selected-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  border-radius: 999px;
  padding: 5px 7px 5px 10px;
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  color: var(--accent);
  cursor: pointer;
  font-size: .68rem;
  font-weight: 800;
}
.selected-filter-chip b {
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 17%, transparent);
  font-size: .75rem;
}
.selected-filter-chip:hover { border-color: var(--orange); color: var(--orange); }
.reset-filters-button,
.distro-empty-state button {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 12px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: .7rem;
  font-weight: 850;
}
.reset-filters-button:hover:not(:disabled),
.distro-empty-state button:hover { border-color: var(--accent); color: var(--accent); }
.reset-filters-button:disabled { cursor: default; opacity: .4; }
.distro-empty-state {
  margin-top: 14px;
  border: 1px dashed var(--border);
  border-radius: 13px;
  padding: 28px;
  background: var(--surface);
  text-align: center;
}
.distro-empty-state strong { display: block; font-size: 1rem; }
.distro-empty-state p { margin: 7px 0 14px; color: var(--muted); font-size: .78rem; }

@media (max-width: 980px) {
  .filter-toolbar { grid-template-columns: 1fr; align-items: stretch; }
  .filter-groups { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .advanced-filter-panel { padding: 13px; border-radius: 13px; }
  .filter-mode-buttons { grid-template-columns: 1fr; }
  .selected-filter-bar { align-items: stretch; flex-direction: column; }
  .reset-filters-button { width: 100%; }
  .filter-group { padding: 10px; }
  .advanced-filter-panel .distro-filter { min-height: 36px; }
}


/* Refinements: simpler matrix legend, logo-based explorer cards, and sortable comparison table */
.table-heading-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px 16px;
  flex-wrap: wrap;
}
.table-heading-tools p { margin: 0; }
.table-sort-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
}
.table-sort-control select {
  min-height: 34px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 0 12px;
  font: 700 .72rem/1 "JetBrains Mono", Consolas, monospace;
}
.table-sort-control select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.matrix-key {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
}
.matrix-key-item {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: baseline;
  min-width: 0;
  color: var(--muted);
  font-size: .72rem;
}
.matrix-key-item strong { color: var(--text); font-size: .72rem; }
.matrix-key-item b { display: none; }
.matrix-key-item span:last-child { text-align: left; }
#distroDirectory .distro-mark {
  position: relative;
  overflow: hidden;
}
#distroDirectory .distro-mark-logo {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: block;
  opacity: 0;
  transform: scale(.92);
  transition: opacity .16s ease, transform .16s ease;
  image-rendering: -webkit-optimize-contrast;
}
#distroDirectory .distro-mark-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font: 900 .82rem/1 "JetBrains Mono", Consolas, monospace;
  color: color-mix(in srgb, var(--distro-color) 86%, var(--text));
}
#distroDirectory .distro-mark.has-logo {
  background: color-mix(in srgb, var(--distro-color) 12%, var(--panel));
}
#distroDirectory .distro-mark.has-logo .distro-mark-logo {
  opacity: 1;
  transform: scale(1);
}
#distroDirectory .distro-mark.has-logo .distro-mark-fallback {
  opacity: 0;
  pointer-events: none;
}
@media (max-width: 720px) {
  .table-heading-tools {
    align-items: stretch;
    justify-content: flex-start;
  }
  .table-sort-control {
    justify-content: space-between;
    width: 100%;
  }
  .table-sort-control select {
    flex: 1 1 auto;
  }
}


/* Detailed profile logo refinements */
#profiles .distro-mark.large {
  position: relative;
  overflow: hidden;
}
#profiles .distro-mark.large .distro-mark-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
  opacity: 0;
  transform: scale(.94);
  transition: opacity .16s ease, transform .16s ease;
  image-rendering: -webkit-optimize-contrast;
}
#profiles .distro-mark.large.has-logo .distro-mark-logo {
  opacity: 1;
  transform: scale(1);
}
#profiles .distro-mark.large .distro-mark-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
#profiles .distro-mark.large.has-logo .distro-mark-fallback {
  opacity: 0;
  pointer-events: none;
}