:root {
  --bg: #ffffff;
  --bg-alt: #f6f8fa;
  --bg-panel: #ffffff;
  --border: #d1d9e0;
  --border-muted: #e6edf3;
  --text: #1f2328;
  --text-soft: #59636e;
  --text-muted: #8d96a0;
  --accent: #0969da;
  --accent-hover: #0550ae;
  --accent-soft: #ddf4ff;
  --success: #1a7f37;
  --warning: #bf8700;
  --danger: #cf222e;
  --link: #0969da;
  --radius: 6px;
  --shadow: 0 1px 0 rgba(208, 215, 222, 0.4);
  --shadow-heavy: 0 8px 24px rgba(140, 149, 159, 0.2);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: var(--mono);
  background: var(--bg-alt);
  border: 1px solid var(--border-muted);
  border-radius: 4px;
  padding: 0.1em 0.3em;
  font-size: 0.92em;
}

/* ---- Topbar (GitHub-parody) ---- */
.topbar {
  background: #24292f;
  color: #f6f8fa;
  padding: 0 16px;
  border-bottom: 1px solid #20232a;
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 62px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}
.brand-octocat { font-size: 22px; line-height: 1; color: #fff; }
.brand-text { letter-spacing: -0.01em; }
.brand-dot { color: var(--accent); }

.search-wrap {
  flex: 1;
  position: relative;
  max-width: 720px;
}
#search {
  width: 100%;
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: var(--radius);
  color: #c9d1d9;
  padding: 8px 12px 8px 34px;
  font-size: 14px;
  font-family: var(--sans);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='%238b949e'%3E%3Cpath fill-rule='evenodd' d='M10.68 11.74a6 6 0 01-7.922-8.982 6 6 0 018.982 7.922l3.04 3.04a.749.749 0 01-1.06 1.06l-3.04-3.04zM11.5 7a4.499 4.499 0 10-8.997 0A4.499 4.499 0 0011.5 7z'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 10px center;
}
#search:focus {
  outline: none;
  border-color: var(--accent);
  background-color: #0d1117;
}
#search::placeholder { color: #6e7681; }

.search-count {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: #8b949e;
}

.nav {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  gap: 18px;
  padding: 10px 0 0;
}
.nav a {
  color: #d0d7de;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 0;
}
.nav a:hover { color: #fff; text-decoration: none; }

/* ---- Main ---- */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 16px 80px;
}

h1, h2, h3 { color: var(--text); line-height: 1.2; letter-spacing: -0.015em; }
h1 { font-size: 44px; font-weight: 700; margin: 24px 0 12px; }
h2 { font-size: 28px; font-weight: 700; margin: 48px 0 8px; padding-top: 12px; border-top: 1px solid var(--border-muted); }
h3 { font-size: 18px; font-weight: 600; margin: 0 0 6px; }
.blurb { color: var(--text-soft); font-size: 15px; margin: 0 0 20px; max-width: 780px; }

.accent { color: var(--accent); }

.hero {
  background: linear-gradient(180deg, #ffffff 0%, #f6f8fa 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 40px 36px;
  margin-bottom: 48px;
}
.hero h1 { margin-top: 0; }
.lede { font-size: 18px; color: var(--text-soft); max-width: 820px; line-height: 1.55; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 28px 0 24px;
}
.stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
}
.stat-n { font-size: 26px; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.stat-l { font-size: 12px; color: var(--text-soft); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 2px; }

.hero-cta { display: flex; gap: 10px; }
.btn {
  display: inline-block;
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  background: #fff;
  cursor: pointer;
}
.btn:hover { background: var(--bg-alt); text-decoration: none; }
.btn.primary {
  background: #1f883d;
  color: #fff;
  border-color: rgba(31, 35, 40, 0.15);
}
.btn.primary:hover { background: #1a7f37; }

/* ---- Landscape (bars) ---- */
.landscape { margin-top: 48px; }
.bars {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.bar-row {
  display: grid;
  grid-template-columns: 210px 1fr 90px;
  align-items: center;
  gap: 12px;
}
.bar-label {
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.bar-emoji { font-size: 17px; }
.bar-rail {
  height: 18px;
  background: var(--bg-alt);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #54aeff 0%, var(--accent) 100%);
}
.bar-value { font-size: 13px; color: var(--text-soft); text-align: right; font-variant-numeric: tabular-nums; }
.bar-pct { color: var(--text-muted); font-size: 11px; margin-left: 6px; }

/* ---- Category grid ---- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 20px;
}
.category-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  font: inherit;
  color: inherit;
  font-family: var(--sans);
}
.category-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-heavy);
}
.cc-emoji { font-size: 26px; }
.cc-name { font-size: 15px; font-weight: 600; margin: 8px 0 4px; }
.cc-n { font-size: 12px; color: var(--text-soft); }
.cc-pct {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 500;
}

/* ---- Findings ---- */
#findings-list { display: flex; flex-direction: column; gap: 24px; }
.finding {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
}
.finding h3 { font-size: 22px; margin-bottom: 4px; letter-spacing: -0.01em; }
.finding > .blurb { font-size: 14px; margin-bottom: 16px; }

/* lang_dominance layout */
.lang-rows { display: grid; gap: 6px; }
.lang-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 12px;
  align-items: center;
}
.lang-row-cat {
  display: flex; gap: 6px; align-items: center;
  font-weight: 500;
}
.lang-row-langs {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.lang-chip {
  background: var(--bg-alt);
  border: 1px solid var(--border-muted);
  padding: 2px 8px;
  font-size: 12px;
  border-radius: 10px;
}
.lang-chip b { font-weight: 600; color: var(--text); }
.lang-chip .pct { color: var(--text-soft); margin-left: 4px; }

/* install_by_cat similar */
.install-rows { display: grid; gap: 6px; }

/* Distinctive words: chips */
.dw-rows { display: grid; gap: 12px; }
.dw-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 12px;
  align-items: start;
}
.dw-row-cat {
  display: flex; gap: 6px; align-items: center;
  font-weight: 500; padding-top: 2px;
}
.dw-words { display: flex; flex-wrap: wrap; gap: 6px; }
.dw-word {
  font-family: var(--mono);
  font-size: 12px;
  background: #f6f8fa;
  border: 1px solid var(--border-muted);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--text);
}
.dw-word .n { color: var(--text-muted); margin-left: 4px; font-size: 11px; }

/* install_dominance bars */
.install-dom { display: grid; gap: 4px; }
.install-dom-row {
  display: grid;
  grid-template-columns: 170px 1fr 150px;
  gap: 12px;
  align-items: center;
  padding: 2px 0;
}
.install-dom-rail {
  height: 16px;
  background: var(--bg-alt);
  border-radius: 4px;
  overflow: hidden;
}
.install-dom-fill {
  background: linear-gradient(90deg, #1a7f37 0%, #2da44e 100%);
  height: 100%;
}
.install-dom-label {
  font-size: 13px;
  color: var(--text-soft);
  font-variant-numeric: tabular-nums;
}
.install-dom-label b { color: var(--text); font-weight: 600; }

/* Repo grid (for findings that are lists of repos) */
.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.repo-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  transition: all 0.1s;
}
.repo-card:hover { border-color: var(--accent); }
.repo-head {
  display: flex;
  gap: 6px;
  align-items: baseline;
  flex-wrap: wrap;
}
.repo-name {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--link);
  font-weight: 500;
  word-break: break-all;
}
.repo-meta {
  display: flex;
  gap: 8px;
  margin-top: 4px;
  font-size: 11px;
  color: var(--text-soft);
  flex-wrap: wrap;
}
.repo-meta .chip {
  background: var(--bg-alt);
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 11px;
}
.repo-meta .chip.cat { background: #ddf4ff; color: #0969da; }
.repo-meta .chip.lang { background: #fef8c3; color: #7d4e00; }
.repo-meta .chip.install { background: #dcfce7; color: #166534; }
.repo-tldr {
  color: var(--text);
  font-size: 13px;
  margin-top: 8px;
  flex: 1;
}

/* ---- Category modal ---- */
.cat-modal {
  border: none;
  border-radius: 12px;
  padding: 0;
  width: min(1040px, 94vw);
  max-height: 86vh;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
.cat-modal::backdrop { background: rgba(0, 0, 0, 0.6); }
.cat-modal-inner { padding: 24px 28px 28px; overflow-y: auto; max-height: 86vh; }
.cat-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}
.cat-modal-head h3 { font-size: 22px; margin: 0; }
.cat-modal-close {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 10px;
  font-size: 16px;
  cursor: pointer;
  color: var(--text-soft);
}
.cat-modal-close:hover { background: var(--border-muted); color: var(--text); }

/* ---- Method + footer ---- */
.method { margin-top: 64px; }
.steps { padding-left: 24px; color: var(--text); }
.steps li { margin-bottom: 10px; }
.steps code { font-size: 13px; }
.footnote { color: var(--text-soft); font-size: 13px; margin-top: 20px; }
.footer {
  max-width: 1280px;
  margin: 48px auto 0;
  padding: 28px 16px;
  border-top: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 13px;
}

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  h1 { font-size: 32px; }
  .bar-row { grid-template-columns: 140px 1fr 60px; }
  .lang-row, .dw-row { grid-template-columns: 140px 1fr; }
  .install-dom-row { grid-template-columns: 140px 1fr 100px; }
  .nav { flex-wrap: wrap; gap: 10px; }
}