/* ============================================================
   GitHub Trending Digest — Amber Terminal · Editorial Dark
   v2 system-aligned · 2026-05-09

   References (one-handed):
     · Bloomberg amber-on-black info density
     · FT Visual Vocabulary (Ranking / Change-over-Time / Deviation)
     · FT Burn-Murdoch (muted+striking, Z-narrative, annotations)
     · GitHub Primer Octicons (inline SVG)
     · FT Origami "Consistency / Standards-Based"
     · Apple HIG / Material 3 dual-mode (semantic tokens, ~20pt sat differential)
     · WCAG 2.2 AA (4.5:1 minimum text contrast)
     · W3C clreq + Unicode TR59 (text-autospace / text-spacing-trim)
   ============================================================ */

/* ─── Token system: purpose-based, dual-mode (light default) ──── */
/* Light is default — matches sister publication theuntold (long-form CJK reading first).
   Dark mode opt-in via [data-theme="dark"]. */
:root {
  /* surfaces (light default) */
  --bg-default:    #faf8f3;
  --bg-surface:    #f3efe2;
  --bg-elevated:   #ebe5d3;
  --bg-hover:      #e3dcc6;

  --border:        #d8d2c2;
  --border-mid:    #c5bea8;
  --border-bright: #8a8472;

  /* text — WCAG checked vs --bg-default */
  --fg-emphasis:    #1a1a1a;  /* 16.0:1 — AAA */
  --fg-default:     #363737;  /*  9.5:1 — AAA · matches theuntold body */
  --fg-muted:       #5b5852;  /*  6.7:1 — AAA */
  --fg-subtle:      #7d7972;  /*  4.5:1 — AA  */
  --fg-on-emphasis: #ffffff;

  /* semantic accents — saturated/darker for light bg (Material tonal 500-700) */
  --accent-primary:  #8b5e0c;  /* dark amber — readable on cream */
  --accent-dim:      #6b4709;
  --accent-glow:     rgba(139, 94, 12, 0.08);
  --accent-line:     rgba(139, 94, 12, 0.30);

  --accent-info:     #1e7a8a;
  --signal-success:  #2d7a47;
  --signal-danger:   #b8362a;
  --signal-warning:  #8a6810;

  /* font stacks: Latin first, CJK fallback (Snook.ca / Google Fonts CJK) */
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Sarasa Mono SC', 'PingFang SC', monospace;
  --font-serif: 'Source Serif 4', 'Noto Serif SC', 'Songti SC', 'PingFang SC', Georgia, serif;

  --max-w: 1180px;
  --max-w-article: 760px;
  --header-h: 52px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* dark mode — Bloomberg amber-on-black (opt-in) */
[data-theme="dark"] {
  --bg-default:    #0b0c0f;
  --bg-surface:    #111318;
  --bg-elevated:   #181922;
  --bg-hover:      #1e202b;

  --border:        #222430;
  --border-mid:    #2c2e3e;
  --border-bright: #3a3d52;

  --fg-emphasis:    #dde0f0;  /* 14.4:1 — AAA */
  --fg-default:     #b8bace;  /*  8.6:1 — AAA */
  --fg-muted:       #8a8da6;  /*  5.6:1 — AA  */
  --fg-subtle:      #65687f;  /*  3.5:1 — large text only */
  --fg-on-emphasis: #f0f2ff;

  --accent-primary:  #e8a820;  /* signature amber */
  --accent-dim:      #a97318;
  --accent-glow:     rgba(232, 168, 32, 0.10);
  --accent-line:     rgba(232, 168, 32, 0.20);

  --accent-info:     #45c4d8;
  --signal-success:  #52d08a;
  --signal-danger:   #e86060;
  --signal-warning:  #f0c040;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg-default);
  color: var(--fg-default);
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.7;            /* CJK standard (Google Fonts CJK) */
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
  /* W3C clreq + Unicode TR59 — auto ¼em between CJK/Latin/digits */
  text-autospace: ideograph-alpha ideograph-numeric;
  text-spacing-trim: trim-start;
}

/* ─── Atmosphere ─── light default (subtle dark amber on paper), dark mode brighter */
.bg-atmosphere {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(139, 94, 12, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 85% 100%, rgba(30, 122, 138, 0.025) 0%, transparent 60%);
}
[data-theme="dark"] .bg-atmosphere {
  background:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(232, 168, 32, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 85% 100%, rgba(69, 196, 216, 0.03) 0%, transparent 60%);
}

/* ─── Header ─── */
.site-header {
  position: sticky; top: 0; z-index: 200;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg-default) 88%, transparent);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  /* horizontal padding on outer container — matches main's padding pattern,
     so header brand and main hero share the same left edge */
  padding: 0 1.5rem;
}

.header-inner {
  max-width: var(--max-w); margin: 0 auto;
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}

.site-brand {
  display: flex; align-items: center; gap: 0.625rem;
  text-decoration: none;
  color: var(--fg-emphasis);
  transition: color 0.2s;
}

.site-brand:hover { color: var(--accent-primary); }

.brand-pulse {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent-primary);
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent-primary);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1;    box-shadow: 0 0 8px var(--accent-primary); }
  50%      { opacity: 0.35; box-shadow: 0 0 3px var(--accent-primary); }
}

.brand-text {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* secondary brand tag — pattern from theuntold "/ critique" */
.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  margin-left: 0.4rem;
}

.site-nav { display: flex; gap: 1.25rem; align-items: center; }

.nav-divider {
  width: 1px; height: 1rem;
  background: var(--border);
  display: inline-block;
  align-self: center;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: color 0.2s;
}

.site-nav a:hover { color: var(--accent-primary); }

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1;
  padding: 0.3rem 0.5rem;
  cursor: pointer;
}
.theme-toggle:hover { border-color: var(--accent-primary); color: var(--accent-primary); }

/* ─── Main / article ─── */
.site-main {
  position: relative; z-index: 1;
  padding: 3.5rem 1.5rem 6rem;
}

.content-body {
  max-width: var(--max-w-article);
  margin: 0 auto;
}

/* ─── Typography: H1 ─── */
.content-body h1 {
  font-family: var(--font-mono);
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--fg-emphasis);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-mid);
  position: relative;
}

.content-body h1::before {
  content: '';
  display: block;
  position: absolute;
  bottom: -1px; left: 0;
  width: 2.5rem; height: 1px;
  background: var(--accent-primary);
}

/* ─── Typography: H2 ─── */
.content-body h2 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: 0.625rem;
}

.content-body h2::after {
  content: '';
  flex: 1; height: 1px;
  background: var(--accent-line);
}

/* ─── Typography: H3 ─── */
.content-body h3 {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg-emphasis);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  padding: 0.625rem 0.875rem;
  background: var(--bg-elevated);
  border-left: 2px solid var(--accent-primary);
  border-radius: 0 4px 4px 0;
  line-height: 1.4;
}

/* ─── Typography: H4-H6 ─── */
.content-body h4, .content-body h5, .content-body h6 {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fg-muted);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

/* ─── Paragraphs ─── */
.content-body p {
  margin-bottom: 0.875rem;
  color: var(--fg-default);
}

/* italic tagline paragraph (subtitle after h1) */
.content-body > p:first-of-type > em:only-child,
.content-body > h1 + p > em {
  display: block;
  font-size: 0.875rem;
  font-style: italic;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
  font-family: var(--font-serif);
}

/* ─── Links ─── */
.content-body a {
  color: var(--accent-info);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent-info) 25%, transparent);
  transition: color 0.15s, border-color 0.15s;
}

.content-body a:hover {
  color: var(--accent-primary);
  border-color: color-mix(in srgb, var(--accent-primary) 45%, transparent);
}

/* ─── Lists ─── */
.content-body ul,
.content-body ol {
  padding-left: 1.375rem;
  margin-bottom: 0.875rem;
}

.content-body li {
  margin-bottom: 0.375rem;
  color: var(--fg-default);
}

.content-body li > p { margin-bottom: 0.25rem; }

/* Index page: top-level list items get card treatment */
.content-body > ul > li,
.content-body > ol > li {
  list-style: none;
  margin-left: -1.375rem;
  padding: 0.5rem 0.875rem;
  border-radius: 5px;
  border: 1px solid transparent;
  margin-bottom: 0.25rem;
  transition: background 0.2s, border-color 0.2s;
}

.content-body > ul > li:hover,
.content-body > ol > li:hover {
  background: var(--bg-hover);
  border-color: var(--border-mid);
}

.content-body > ul > li::before {
  content: '→';
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-subtle);
  margin-right: 0.5rem;
}

/* nested lists back to normal */
.content-body li li {
  list-style: disc;
  margin-left: 0;
  padding: 0;
  border: none;
  background: none;
}

.content-body li li::before { content: none; }
.content-body li li:hover { background: none; border: none; }

/* ─── HR ─── */
.content-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.25rem 0;
}

/* ─── Strong / Em ─── */
.content-body strong {
  color: var(--fg-emphasis);
  font-weight: 600;
}

.content-body em {
  color: var(--fg-muted);
  font-style: italic;
}

/* ─── Code ─── */
.content-body code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: 3px;
  padding: 0.1em 0.38em;
  color: var(--accent-primary);
}

.content-body pre {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.25rem;
}

.content-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--fg-default);
  font-size: 0.8125rem;
}

/* ─── Blockquote ─── */
.content-body blockquote {
  border-left: 2px solid var(--border-bright);
  padding: 0.625rem 1rem;
  margin: 1.25rem 0;
  background: var(--bg-surface);
  border-radius: 0 5px 5px 0;
  color: var(--fg-muted);
  font-style: italic;
}

.content-body blockquote strong { color: var(--fg-default); }

/* ─── Tables ─── */
.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  display: block;
  overflow-x: auto;
}

.content-body thead { background: var(--bg-elevated); }

.content-body th {
  color: var(--accent-primary);
  font-weight: 600;
  text-align: left;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--border-mid);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.content-body td {
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--border);
  color: var(--fg-default);
  vertical-align: top;
  line-height: 1.5;
}

.content-body tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.018);
}

.content-body tbody tr:hover td { background: var(--bg-elevated); }

/* ─── Methodology section badge-style list (numbered ol) ─── */
.content-body ol {
  counter-reset: method-counter;
  list-style: none;
  padding-left: 0;
}

.content-body ol > li {
  counter-increment: method-counter;
  margin-left: 0;
  padding: 0.5rem 0.875rem 0.5rem 2.25rem;
  position: relative;
}

.content-body ol > li::before {
  content: counter(method-counter);
  position: absolute;
  left: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: var(--accent-glow);
  border: 1px solid var(--accent-line);
  border-radius: 3px;
  width: 1.25rem;
  text-align: center;
  padding: 0 0.1rem;
  top: 0.55rem;
}

/* ─── Footer ─── */
.site-footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 1.75rem 1.5rem;
}

.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; gap: 0.625rem; flex-wrap: wrap;
}

.footer-mono {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
}

.footer-sep {
  color: var(--fg-subtle);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.footer-dim {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--fg-subtle);
  letter-spacing: 0.04em;
}

.footer-sister {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.6875rem;
}

.footer-link {
  font-family: var(--font-mono);
  color: var(--accent-primary);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent-primary) 35%, transparent);
  transition: color 0.15s, border-color 0.15s;
}
.footer-link:hover {
  color: var(--accent-dim);
  border-bottom-color: var(--accent-primary);
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-default); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-muted); }

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .site-main { padding: 2.25rem 1rem 4rem; }
  .content-body h1 { font-size: 1.0625rem; }
  .content-body h3 { font-size: 0.8125rem; padding: 0.5rem 0.75rem; }
  .content-body table { font-size: 0.75rem; }
  .site-nav { gap: 0.875rem; }
}


/* ============================================================
   Home / dashboard components (used by _layouts/home.html)
   Existing daily/weekly markdown pages do NOT use these; they're
   loaded but unused for plain article rendering.
   ============================================================ */

/* hero — Bloomberg amber + FT Z-narrative */
.hero {
  max-width: var(--max-w); margin: 0 auto;
  padding: 3.5rem 0 2.5rem;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 3.5rem;
  border-bottom: 1px solid var(--border);
  align-items: end;
}
.hero .label {
  font-family: var(--font-mono);
  font-size: 0.7rem; font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: 0.16em; text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.625rem;
}
.hero .label::after { content: ''; flex: 1; height: 1px; background: var(--accent-line); max-width: 5rem; }
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 600; line-height: 1.12; letter-spacing: -0.01em;
  color: var(--fg-emphasis);
  margin-bottom: 1.25rem;
}
.hero h1 em { font-style: italic; color: var(--accent-primary); font-weight: 500; }
.hero .lede {
  font-family: var(--font-serif); font-style: italic; font-size: 1.0625rem;
  color: var(--fg-default); line-height: 1.55; max-width: 38ch;
}

/* KPI grid */
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--accent-line); }
.kpi { padding: 1.1rem 0; border-bottom: 1px solid var(--border); padding-right: 1.25rem; }
.kpi:nth-child(odd) { border-right: 1px solid var(--border); padding-right: 0; }
.kpi:nth-child(even) { padding-left: 1.5rem; }
.kpi:nth-child(3), .kpi:nth-child(4) { border-bottom: 0; }
.kpi .k {
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 600;
  color: var(--fg-muted); letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.kpi .v {
  font-family: var(--font-serif); font-size: 2.5rem; font-weight: 600;
  line-height: 1; letter-spacing: -0.02em;
  color: var(--fg-emphasis);
}
.kpi .v sub {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 500;
  color: var(--fg-muted); letter-spacing: 0.06em; vertical-align: baseline;
  margin-left: 0.5rem;
}
.kpi .v .pos { color: var(--signal-success); font-size: 1rem; margin-left: 0.4rem; }
.kpi .v .neg { color: var(--signal-danger); }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; padding: 2rem 0 1.5rem; }
}

/* hero kicker — type-color-coded for daily/weekly/monthly */
.hero-block { max-width: var(--max-w); margin: 3rem auto 0; }

.kicker {
  display: flex; align-items: center; gap: 0.625rem;
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600;
  margin-bottom: 1.25rem;
}
.kicker.daily   { color: var(--accent-primary); }
.kicker.weekly  { color: var(--accent-info); }
.kicker.monthly { color: var(--signal-success); }
.kicker .kicker-line { flex: 1; height: 1px; max-width: 5rem; }
.kicker.daily   .kicker-line { background: color-mix(in srgb, var(--accent-primary) 25%, transparent); }
.kicker.weekly  .kicker-line { background: color-mix(in srgb, var(--accent-info) 25%, transparent); }
.kicker.monthly .kicker-line { background: color-mix(in srgb, var(--signal-success) 25%, transparent); }

.type-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.5rem; height: 1.5rem;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0; line-height: 1;
  border: 1px solid currentColor;
  flex-shrink: 0;
}

/* deck — editorial lede paragraph (replaces oversized H1 for long subtitles) */
.deck {
  font-family: var(--font-serif); font-style: italic;
  font-size: 1.25rem; line-height: 1.55;
  color: var(--fg-default);
  max-width: 90ch;
  margin: 0 0 2rem;
}

/* compact KPI strip — Bloomberg ticker style, single-row inline */
.kpi-strip {
  max-width: var(--max-w); margin: 2rem auto 0;
  padding: 0.75rem 0;
  border-top: 1px solid var(--accent-line);
  border-bottom: 1px solid var(--accent-line);
  display: flex; gap: 2.5rem; align-items: baseline;
  font-family: var(--font-mono); flex-wrap: wrap;
}
.kpi-strip .item { display: flex; gap: 0.5rem; align-items: baseline; }
.kpi-strip .k {
  font-size: 0.65rem; color: var(--fg-muted);
  letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600;
}
.kpi-strip .k.accent { color: var(--accent-primary); }
.kpi-strip .v {
  font-size: 1.15rem; font-weight: 700;
  color: var(--fg-emphasis); line-height: 1;
}
.kpi-strip .v.accent { color: var(--accent-primary); }
.kpi-strip .v.date { font-size: 0.95rem; }
.kpi-strip .unit { font-size: 0.7rem; color: var(--fg-muted); margin-left: 0.15rem; }
/* meta items (view count, like button) — right-aligned, separated by divider */
.kpi-strip .meta-group {
  margin-left: auto;
  padding-left: 1.5rem;
  border-left: 1px solid var(--border-mid);
  display: flex; gap: 1rem; align-items: baseline;
}
.kpi-strip .item-meta {
  display: flex; gap: 0.45rem; align-items: baseline;
  font-family: var(--font-mono);
  color: var(--fg-muted);
}
.kpi-strip .item-meta .k {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}
.kpi-strip .item-meta .v {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
  line-height: 1;
}

/* like button — same layout as item-meta but interactive */
.like-btn {
  background: transparent; border: 0; padding: 0; margin: 0;
  cursor: pointer;
  display: flex; gap: 0.45rem; align-items: baseline;
  font-family: var(--font-mono);
  color: var(--fg-muted);
  transition: color 0.15s;
}
.like-btn .icon {
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 0.15s;
}
.like-btn .v {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
  line-height: 1;
}
.like-btn:hover { color: var(--accent-primary); }
.like-btn:hover .icon { transform: scale(1.15); }
.like-btn:hover .v { color: var(--accent-primary); }
.like-btn.is-liked { color: var(--accent-primary); cursor: default; }
.like-btn.is-liked .v { color: var(--accent-primary); font-weight: 600; }
.like-btn.is-liked:hover .icon { transform: none; }
.like-btn.is-pulse .icon { animation: like-pulse 0.4s ease-out; }
@keyframes like-pulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.4); }
  100% { transform: scale(1); }
}

@media (max-width: 640px) {
  .kpi-strip { gap: 1.25rem; }
  .kpi-strip .meta-group {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--border-mid);
    padding-top: 0.5rem;
    width: 100%;
  }
}

/* section header */
.sec-h {
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 0.625rem; padding: 3rem 0 1rem;
  align-items: center;
  max-width: var(--max-w); margin: 0 auto;
}
.sec-h h2 {
  font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 700;
  color: var(--accent-primary); text-transform: uppercase; letter-spacing: 0.12em;
  display: flex; align-items: center; gap: 0.625rem;
  margin: 0;
}
.sec-h h2 small {
  font-family: var(--font-mono); font-weight: 400;
  color: var(--fg-muted); letter-spacing: 0.04em; text-transform: none;
  font-size: 0.7rem; margin-left: 0.5rem;
}
.sec-h::after { content: ''; height: 1px; background: var(--accent-line); }
.sec-h .hint {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--fg-subtle); letter-spacing: 0.06em; text-transform: uppercase;
}

/* filters strip */
.filters {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; gap: 0; border-top: 1px solid var(--border-mid);
  border-bottom: 1px solid var(--border-mid);
  padding: 0.45rem 0; align-items: center; flex-wrap: wrap;
}
.filters .lbl {
  font-family: var(--font-mono); font-size: 0.6rem; color: var(--fg-subtle);
  letter-spacing: 0.12em; text-transform: uppercase; margin-right: 1rem;
}
.filters button {
  background: transparent; border: none; color: var(--fg-muted);
  padding: 0.3rem 0.875rem;
  font-family: var(--font-mono); font-size: 0.7rem; cursor: pointer;
  letter-spacing: 0.06em; text-transform: uppercase;
  border-bottom: 1px solid transparent;
}
.filters button:hover { color: var(--fg-default); }
.filters button.active { color: var(--accent-primary); border-bottom-color: var(--accent-primary); font-weight: 600; }
.filters button .n { color: var(--fg-subtle); margin-left: 0.3rem; font-weight: 400; }
.filters button.active .n { color: var(--accent-primary); }
.filters .right {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--fg-subtle); letter-spacing: 0.08em; text-transform: uppercase;
}

/* body grid for home */
.body-grid {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 280px; gap: 2.5rem;
  align-items: start; padding-top: 1rem;
}
@media (max-width: 980px) { .body-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* repo list (FT Ranking) */
.repo-list { border-top: 1px solid var(--border); }
.repo-row {
  display: grid;
  grid-template-columns: 2.25rem 4rem 1fr 7rem 4.5rem 4.5rem;
  gap: 0.875rem; padding: 0.875rem 0;
  border-bottom: 1px solid var(--border);
  align-items: center; cursor: pointer;
  transition: background 0.12s var(--ease-out);
}
.repo-row:hover { background: var(--bg-hover); }
.repo-row.is-open { background: var(--bg-elevated); }

.r-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--fg-subtle); font-weight: 500; padding-left: 0.25rem; }
.r-tag {
  font-family: var(--font-mono); font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.12em; padding: 0.18rem 0.45rem;
  text-align: center; display: inline-block; line-height: 1;
}
.tag-new { color: var(--accent-primary); border: 1px solid var(--accent-primary); }
.tag-re  { color: var(--accent-info);    border: 1px solid var(--accent-info); }
.tag-up  { color: var(--fg-subtle);      border: 1px solid var(--border-bright); }

.r-spark { display: flex; align-items: center; }
.r-spark svg { display: block; }

.r-name { min-width: 0; }
.r-name .nm {
  font-family: var(--font-serif); font-weight: 600;
  font-size: 0.95rem; letter-spacing: -0.005em; line-height: 1.3;
  color: var(--fg-emphasis);
}
.r-name .nm .org { color: var(--fg-muted); font-weight: 400; }
.repo-row.muted .r-name .nm { color: var(--fg-muted); }
.repo-row.muted .r-name .nm .org { color: var(--fg-subtle); }
.r-name .meta-line {
  margin-top: 0.25rem;
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 500;
  color: var(--fg-muted); letter-spacing: 0.04em;
  display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: center;
}
.r-name .meta-line .src-strong  { color: var(--signal-success); font-weight: 600; }
.r-name .meta-line .src-medium  { color: var(--accent-primary); font-weight: 600; }
.r-name .meta-line .src-weak    { color: var(--signal-danger);  font-weight: 600; }
.r-name .meta-line .flag-vanity { color: var(--signal-danger);  font-weight: 600; }
.r-name .meta-line .flag-comp   { color: var(--signal-warning); font-weight: 600; }
.r-name .meta-line .flag-cost   { color: var(--signal-warning); font-weight: 600; }
.r-name .meta-line .flag-grnd   { color: var(--signal-success); font-weight: 600; }
.r-name .meta-line .lang        { color: var(--accent-info);    font-weight: 500; }
.r-name .meta-line .sep         { color: var(--fg-subtle); }

.r-stars {
  font-family: var(--font-mono); font-weight: 600; font-size: 0.85rem;
  text-align: right; color: var(--fg-default);
  display: flex; flex-direction: column; gap: 0.15rem; align-items: flex-end;
}
.r-stars .star-icon { display: inline-flex; align-items: center; gap: 0.3rem; color: var(--accent-primary); }
.r-stars .star-icon svg { width: 11px; height: 11px; fill: currentColor; }
.r-stars .delta { font-size: 0.7rem; color: var(--signal-success); font-weight: 500; }
.repo-row.muted .r-stars { color: var(--fg-muted); }
.repo-row.muted .r-stars .star-icon { color: var(--fg-muted); }
.repo-row.muted .r-stars .delta { color: var(--fg-subtle); }

.r-actions {
  display: flex; justify-content: flex-end; align-items: center;
  color: var(--fg-subtle);
}
.r-actions svg { width: 14px; height: 14px; fill: currentColor; transition: transform 0.15s; }
.repo-row.is-open .r-actions svg { transform: rotate(180deg); color: var(--accent-primary); }

@media (max-width: 760px) {
  .repo-row { grid-template-columns: 2rem 3rem 1fr 5rem 1.5rem; gap: 0.5rem; }
  .r-spark, .r-stars .delta { display: none; }
}

/* expanded panel */
.repo-panel {
  display: none;
  padding: 1.25rem 1rem 1.5rem 4rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  border-left: 2px solid var(--accent-primary);
}
.repo-row.is-open + .repo-panel { display: block; }
.repo-panel .one-liner {
  font-family: var(--font-serif); font-size: 0.95rem;
  line-height: 1.65; color: var(--fg-default);
  padding-bottom: 0.875rem; margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.repo-panel .one-liner b { color: var(--accent-primary); font-weight: 600; }
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.75rem; }
.repo-panel h4 {
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 0.5rem; font-weight: 700;
}
.repo-panel h4.pos  { color: var(--signal-success); }
.repo-panel h4.neg  { color: var(--signal-danger); }
.repo-panel h4.tech { color: var(--accent-info); }
.repo-panel ul { list-style: none; }
.repo-panel li {
  font-family: var(--font-serif); font-size: 0.86rem; line-height: 1.55;
  color: var(--fg-default); padding-left: 0.875rem; position: relative;
  margin-bottom: 0.3rem;
}
.repo-panel li::before {
  content: ''; position: absolute; left: 0; top: 0.65rem;
  width: 5px; height: 1px; background: var(--fg-subtle);
}

@media (max-width: 760px) {
  .repo-panel { padding: 1rem 0; border-left: none; }
  .panel-grid { grid-template-columns: 1fr; }
}

/* sidebar panels */
aside.side {
  display: flex; flex-direction: column; gap: 2rem;
  position: sticky; top: calc(var(--header-h) + 1rem);
}
.panel { border-top: 1px solid var(--accent-line); padding-top: 0.875rem; }
.panel h3 {
  font-family: var(--font-mono); font-size: 0.62rem; font-weight: 700;
  color: var(--accent-primary); letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 0.875rem;
  display: flex; justify-content: space-between; align-items: baseline;
}
.panel h3 small {
  font-family: var(--font-mono); font-weight: 400;
  color: var(--fg-subtle); letter-spacing: 0.06em; text-transform: none;
  font-size: 0.65rem;
}

/* languages bar */
.lang-bar { display: flex; height: 4px; margin-bottom: 0.875rem; background: var(--bg-elevated); }
.lang-bar span { height: 100%; }
.lang-list { font-family: var(--font-mono); font-size: 0.7rem; }
.lang-list .lr {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.3rem 0; border-bottom: 1px solid var(--border);
}
.lang-list .lr:last-child { border-bottom: none; }
.lang-list .lr .sw { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.lang-list .lr b { font-weight: 600; color: var(--fg-default); }
.lang-list .lr .pct { margin-left: auto; color: var(--fg-muted); font-size: 0.65rem; }

/* risk signals */
.risk-list { display: flex; flex-direction: column; gap: 0.625rem; }
.risk-row {
  display: grid; grid-template-columns: 1fr auto;
  gap: 0.5rem; padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.risk-row:last-child { border-bottom: none; }
.risk-row .label {
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.risk-row.red    .label { color: var(--signal-danger); }
.risk-row.yellow .label { color: var(--signal-warning); }
.risk-row.green  .label { color: var(--signal-success); }
.risk-row .count { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700; }
.risk-row.red    .count { color: var(--signal-danger); }
.risk-row.yellow .count { color: var(--signal-warning); }
.risk-row.green  .count { color: var(--signal-success); }
.risk-row .who {
  grid-column: 1 / -1;
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--fg-muted); line-height: 1.5; margin-top: 0.15rem;
}
.risk-row .div-bar {
  grid-column: 1 / -1; display: flex; height: 3px; margin-top: 0.4rem;
  background: var(--bg-elevated);
}
.risk-row .div-bar span { height: 100%; }

/* methodology body */
.method-body {
  font-family: var(--font-serif); font-size: 0.85rem;
  color: var(--fg-default); line-height: 1.6;
}
.method-body .src-line {
  display: flex; gap: 0.4rem; margin-top: 0.625rem; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 0.65rem;
}

/* deep dives — long-form, Source Serif primary */
.deep-list {
  max-width: var(--max-w); margin: 0 auto;
  border-top: 1px solid var(--border);
}
.deep-item {
  display: grid; grid-template-columns: 5rem 1fr; gap: 2rem;
  padding: 2rem 0; border-bottom: 1px solid var(--border);
}
.deep-item:last-child { border-bottom: none; }
.deep-meta .order {
  font-family: var(--font-mono); font-size: 1.875rem; font-weight: 700;
  color: var(--accent-primary); line-height: 1;
}
.deep-meta .badge {
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700;
  margin-top: 0.5rem;
}
.deep-meta .stars {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--fg-muted); margin-top: 0.875rem; line-height: 1.5;
}
.deep-meta .stars b {
  color: var(--fg-emphasis); display: block;
  font-family: var(--font-serif); font-size: 1.25rem; font-weight: 600;
  margin-bottom: 0.1rem;
}
.deep-body h3 {
  font-family: var(--font-serif); font-size: 1.4rem;
  font-weight: 600; letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}
.deep-body h3 a {
  color: var(--fg-emphasis); text-decoration: none;
  border-bottom: 2px solid var(--accent-primary);
}
.deep-body h3 a:hover { color: var(--accent-primary); }
.deep-body .tagline {
  font-family: var(--font-serif); font-style: italic;
  font-size: 0.95rem; color: var(--fg-muted); margin-bottom: 1rem;
}
.deep-body p {
  font-size: 0.92rem; line-height: 1.7; margin-bottom: 0.75rem;
  color: var(--fg-default);
}
.deep-body p strong { color: var(--fg-emphasis); font-weight: 600; }
.deep-body p em { color: var(--accent-primary); font-style: italic; }
.signals-2col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  margin-top: 0.875rem; padding-top: 0.875rem;
  border-top: 1px solid var(--border);
}
.signals-2col h5 {
  font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 0.4rem; font-weight: 700;
}
.signals-2col h5.pos { color: var(--signal-success); }
.signals-2col h5.neg { color: var(--signal-danger); }
.signals-2col ul { list-style: none; }
.signals-2col li {
  font-family: var(--font-serif); font-size: 0.84rem;
  line-height: 1.55; color: var(--fg-default);
  padding-left: 0.75rem; position: relative; margin-bottom: 0.3rem;
}
.signals-2col li::before {
  content: ''; position: absolute; left: 0; top: 0.6rem;
  width: 4px; height: 1px; background: var(--fg-muted);
}
@media (max-width: 760px) {
  .deep-item { grid-template-columns: 1fr; gap: 0.75rem; }
  .deep-meta { display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
  .deep-meta .stars { margin-top: 0; }
  .signals-2col { grid-template-columns: 1fr; }
}

/* archive list */
.archive-list {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--border);
}
.archive-list a {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: 1rem;
  padding: 0.875rem 1.25rem 0.875rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--fg-default); text-decoration: none;
  align-items: baseline;
}
.archive-list a:nth-child(even) { padding-left: 1.25rem; padding-right: 0; border-left: 1px solid var(--border); }
.archive-list a:hover { color: var(--accent-primary); }
.archive-list a:hover .summary { color: var(--fg-default); }
.archive-list time {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--fg-subtle); letter-spacing: 0.06em;
}
.archive-list strong {
  font-family: var(--font-serif); font-weight: 600; font-size: 0.95rem;
  color: var(--fg-emphasis);
}
.archive-list .summary {
  display: block; margin-top: 0.2rem;
  font-family: var(--font-serif); font-size: 0.82rem;
  color: var(--fg-muted); line-height: 1.5;
}
@media (max-width: 760px) {
  .archive-list { grid-template-columns: 1fr; }
  .archive-list a:nth-child(even) { padding-left: 0; border-left: none; }
}

/* page-load staggered reveal */
.repo-row { animation: row-fade 0.4s var(--ease-out) backwards; }
.repo-row:nth-child(1)  { animation-delay: 0.05s; }
.repo-row:nth-child(3)  { animation-delay: 0.10s; }
.repo-row:nth-child(5)  { animation-delay: 0.15s; }
.repo-row:nth-child(7)  { animation-delay: 0.20s; }
.repo-row:nth-child(9)  { animation-delay: 0.25s; }
.repo-row:nth-child(11) { animation-delay: 0.30s; }
.repo-row:nth-child(13) { animation-delay: 0.35s; }
@keyframes row-fade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}