:root {
  color-scheme: light dark;
  --bg: #0b1020;
  --panel: #121a31;
  --panel-soft: #18213d;
  --text: #ecf2ff;
  --muted: #9db0d2;
  --line: rgba(255,255,255,.12);
  --accent: #7cc4ff;
  --accent-strong: #49a6ff;
  --shadow: 0 18px 48px rgba(0,0,0,.25);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --panel-soft: #eef4ff;
    --text: #172033;
    --muted: #5b6c89;
    --line: rgba(23,32,51,.1);
    --accent: #0f6fff;
    --accent-strong: #0057d8;
    --shadow: 0 16px 36px rgba(18,26,49,.08);
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: radial-gradient(circle at top, var(--panel-soft), var(--bg) 40%); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.shell { width: min(1200px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 48px; }
.site-header, .site-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.site-header { margin-bottom: 32px; }
.brand { font-weight: 800; font-size: 1.1rem; color: var(--text); }
.header-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.nav { display: flex; gap: 16px; flex-wrap: wrap; }
.lang-switch { padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); }
.site-footer { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); }
.hero { display: grid; grid-template-columns: 1.3fr .9fr; gap: 24px; margin-bottom: 28px; }
.insight-panel { margin-bottom: 24px; }
.insight-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.insight-card { padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: color-mix(in srgb, var(--panel-soft) 78%, transparent); }
.insight-label { display: inline-block; margin-bottom: 10px; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.section-grid { display: grid; grid-template-columns: 1.35fr .75fr; gap: 24px; }
.sidebar-stack { display: grid; gap: 20px; }
.panel, .stat-card, .repo-card, .cluster-card { background: color-mix(in srgb, var(--panel) 92%, transparent); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); }
.panel, .repo-card { padding: 22px; }
.panel.compact { padding: 18px 20px; }
.hero .stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card { padding: 18px; display: flex; flex-direction: column; gap: 6px; }
.stat-card span { color: var(--muted); font-size: .92rem; }
.stat-card strong { font-size: 1.7rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-size: .78rem; margin: 0 0 8px; }
h1,h2,h3 { line-height: 1.2; margin: 0 0 10px; }
h1 { font-size: clamp(2rem, 3.8vw, 3.4rem); }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.05rem; }
.hero-copy, .page-intro p { color: var(--muted); max-width: 68ch; }
.hero-actions, .report-links { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 10px 16px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--text); }
.button.primary { background: var(--accent); color: white; border-color: transparent; }
.panel-header, .repo-card-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.cluster-grid, .repo-grid { display: grid; gap: 18px; }
.cluster-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.repo-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.cluster-card { padding: 18px; }
.top-five-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.top-five-item { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: color-mix(in srgb, var(--panel-soft) 72%, transparent); }
.top-five-rank { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.35rem; font-weight: 800; background: var(--accent); color: white; }
.top-five-main { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.top-five-main h3 { margin: 0; }
.top-five-item p { margin: 0 0 10px; color: var(--muted); }
.top-five-meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: .92rem; }
.cluster-card p, .repo-card p, .link-list span, .archive-list span { color: var(--muted); }
.cluster-meta { display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); font-size: .85rem; margin-bottom: 10px; }
.pill { display: inline-flex; padding: 4px 10px; border-radius: 999px; background: var(--panel-soft); color: var(--accent-strong); }
.link-list, .archive-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.link-list li, .archive-list li { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; }
.page-intro { margin-bottom: 22px; }
.page-intro.narrow { margin-bottom: 18px; }
.archive-panel { margin-bottom: 20px; }
.markdown-body { background: color-mix(in srgb, var(--panel) 95%, transparent); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); padding: 24px; }
.markdown-body h1, .markdown-body h2, .markdown-body h3 { margin-top: 1.25em; }
.markdown-body h1:first-child, .markdown-body h2:first-child, .markdown-body h3:first-child { margin-top: 0; }
.markdown-body p, .markdown-body li { color: var(--text); }
.markdown-body ul { padding-left: 1.25rem; }
.markdown-body table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: .95rem; }
.markdown-body th, .markdown-body td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.markdown-body th { background: var(--panel-soft); }
.markdown-body pre { overflow: auto; padding: 16px; border-radius: 14px; background: var(--panel-soft); }
.markdown-body code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }
hr { border: none; border-top: 1px solid var(--line); margin: 24px 0; }
@media (max-width: 980px) {
  .hero, .section-grid { grid-template-columns: 1fr; }
  .insight-grid,
  .cluster-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .site-header, .site-footer, .panel-header, .repo-card-head, .archive-list li, .link-list li, .header-actions { flex-direction: column; align-items: flex-start; }
  .hero .stats-grid { grid-template-columns: 1fr 1fr; }
  .top-five-item { grid-template-columns: 1fr; }
  .top-five-rank { width: 48px; height: 48px; border-radius: 14px; }
}