/* ── Variables ────────────────────────────────────────────────────── */
:root {
  --bg:           #f6f6f6;
  --surface:      #ffffff;
  --border:       #e2e2e2;
  --text:         #1c1c1c;
  --text-2:       #5c5c5c;
  --accent:       #6aafd4;
  --accent-dark:  #4a92b8;
  --accent-bg:    #eaf4fb;
  --sidebar-bg:   #f0f0f0;
  --sidebar-w:    260px;
  --header-h:     52px;
  --code-bg:      #ebebeb;
  --radius:       0px;
  --gap:          40px;
  --content-max:  860px;
  --transition:   0.22s ease;
}

/* ── Reset ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { color: var(--accent); text-decoration: underline; }
ul, ol { padding-left: 1.4em; }

/* ── Layout shell ─────────────────────────────────────────────────── */
#vcd-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  overflow: hidden;
  z-index: 200;
  transition: transform var(--transition);
  display: flex;
  flex-direction: column;
}

#sidebar-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
#sidebar-body::-webkit-scrollbar { display: none; }

.sidebar-scroll-btn {
  flex-shrink: 0;
  width: 100%;
  height: 28px;
  background: var(--sidebar-bg);
  border: none;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  color: var(--text-2);
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
  user-select: none;
}
#sidebar-scroll-down { border-bottom: none; border-top: 1px solid var(--border); }
.sidebar-scroll-btn:hover { background: var(--border); color: var(--accent-dark); }

#vcd-wrapper {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition);
}

/* sidebar collapsed state (desktop toggle) */
body.sidebar-off #vcd-sidebar { transform: translateX(calc(-1 * var(--sidebar-w))); }
body.sidebar-off #vcd-wrapper { margin-left: 0; }


/* ── Sidebar trigger tab (mobile only) ──────────────────────────── */
#sidebar-trigger {
  display: none;
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 300;
  width: 22px;
  height: 56px;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: left var(--transition);
}
#sidebar-trigger::after { content: '›'; font-size: 16px; font-weight: 700; }
#sidebar-trigger.open { left: var(--sidebar-w); }
#sidebar-trigger.open::after { content: '‹'; }

/* backdrop behind open sidebar on mobile */
#sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.25);
  z-index: 190;
}
#sidebar-backdrop.active { display: block; }

/* ── Header ───────────────────────────────────────────────────────── */
#vcd-header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 16px;
}

#disclaimer-strip {
  background: #fef9ec;
  border-bottom: 1px solid #f0e0a0;
  text-align: center;
  padding: 6px 16px;
  font-size: 0.72rem;
  font-weight: 500;
}
#disclaimer-strip a {
  color: #7a5c00;
  text-decoration: none;
}
#disclaimer-strip a:hover {
  text-decoration: underline;
}

#vcd-logo {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-right: auto;
}
#vcd-logo a { color: inherit; text-decoration: none; }
#vcd-logo a:hover { color: var(--accent-dark); text-decoration: none; }

#vcd-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* search in header */
.header-search { display: flex; align-items: center; }
.header-search input {
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 5px 10px;
  font-size: 0.8rem;
  width: 160px;
  outline: none;
  color: var(--text);
  border-radius: var(--radius);
}
.header-search input:focus { border-color: var(--accent); }
.header-search button {
  border: 1px solid var(--border);
  border-left: none;
  background: var(--bg);
  padding: 5px 8px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-2);
}

/* ── Sidebar interior ─────────────────────────────────────────────── */
.sidebar-head {
  padding: 12px 12px 10px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  font-weight: 600;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Desktop: sidebar collapse pin button */
#sidebar-pin {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-2);
  font-size: 11px;
  padding: 4px 6px;
  line-height: 1;
  transition: color var(--transition), background var(--transition);
}
#sidebar-pin:hover { color: var(--accent-dark); background: var(--border); }

.sidebar-nav { flex: 1; padding: 8px 0 24px; }

/* section row: label link + expand toggle */
.snav-section { }

.snav-head {
  display: flex;
  align-items: stretch;
}

.snav-parent-link {
  flex: 1;
  padding: 7px 4px 7px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  line-height: 1.3;
  transition: background var(--transition), color var(--transition);
  display: flex;
  align-items: center;
}
.snav-parent-link:hover { background: var(--border); color: var(--accent-dark); text-decoration: none; }
.snav-parent-link.current { color: var(--accent-dark); background: var(--accent-bg); }
.snav-section.open .snav-parent-link { color: var(--accent-dark); }

.snav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--text-2);
  transition: background var(--transition), color var(--transition);
}
.snav-toggle:hover { background: var(--border); color: var(--accent-dark); }
.snav-toggle.active { color: var(--accent-dark); }

.snav-arrow {
  font-size: 9px;
  display: inline-block;
  transition: transform var(--transition);
}
.snav-section.open .snav-arrow { transform: rotate(90deg); }

/* children list */
.snav-children {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
}
.snav-section.open .snav-children { max-height: 600px; }

.snav-children a {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 5px 16px 5px 30px;
  font-size: 0.78rem;
  color: var(--text-2);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
  line-height: 1.3;
}
.snav-children a::before {
  content: '·';
  color: var(--border);
  flex-shrink: 0;
  font-size: 1rem;
  line-height: 1;
}
.snav-children a:hover { background: var(--accent-bg); color: var(--accent-dark); text-decoration: none; }
.snav-children a.current { color: var(--accent-dark); font-weight: 500; }
.snav-children a.current::before { color: var(--accent); }

.sidebar-foot {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-foot a {
  display: block;
  font-size: 0.76rem;
  color: var(--text-2);
  padding: 3px 0;
}
.sidebar-foot a:hover { color: var(--accent-dark); text-decoration: none; }

/* ── Main content area ────────────────────────────────────────────── */
#vcd-main {
  flex: 1;
  padding: var(--gap) calc(var(--gap) + 8px);
  max-width: var(--content-max);
  width: 100%;
}

/* full-width override (archives, homepage) */
#vcd-main.wide { max-width: 1100px; }

/* ── Typography ───────────────────────────────────────────────────── */
.entry-title,
.page-title,
.archive-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text);
}

.entry-meta {
  font-size: 0.78rem;
  color: var(--text-2);
  margin-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.entry-content h2 { font-size: 1.35rem; font-weight: 700; margin: 36px 0 12px; }
.entry-content h3 { font-size: 1.1rem; font-weight: 600; margin: 28px 0 10px; }
.entry-content h4 { font-size: 0.95rem; font-weight: 600; margin: 20px 0 8px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-2); }
.entry-content p { margin-bottom: 18px; }
.entry-content ul, .entry-content ol { margin-bottom: 18px; }
.entry-content li { margin-bottom: 5px; }
.entry-content a { color: var(--accent-dark); border-bottom: 1px solid var(--accent); }
.entry-content a:hover { color: var(--accent); text-decoration: none; }
.entry-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--accent-bg);
  font-style: italic;
  color: var(--text-2);
}
.entry-content code {
  font-family: 'Cascadia Code', 'JetBrains Mono', Consolas, 'Courier New', monospace;
  font-size: 0.82em;
  background: var(--code-bg);
  padding: 2px 5px;
  color: var(--text);
}
.entry-content pre {
  background: var(--code-bg);
  padding: 20px;
  overflow-x: auto;
  margin: 24px 0;
  font-size: 0.82rem;
  line-height: 1.6;
  border-left: 3px solid var(--border);
  position: relative;
}
.entry-content pre code { background: none; padding: 0; }

/* ── Copy button on code / pre blocks ───────────────────────────── */
.copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 3px 9px;
  font-size: 0.65rem;
  font-family: inherit;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  line-height: 1.6;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  z-index: 5;
}
.copy-btn:hover { background: var(--accent-bg); border-color: var(--accent); color: var(--accent-dark); }
.copy-btn--done { background: var(--accent-bg); border-color: var(--accent); color: var(--accent-dark); }

/* standalone block code (not inside pre) */
code.has-copy-btn { position: relative; display: block; }
.entry-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 0.875rem; }
.entry-content th { text-align: left; padding: 10px 14px; border-bottom: 2px solid var(--border); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-2); }
.entry-content td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.entry-content tr:last-child td { border-bottom: none; }
.entry-content img { margin: 24px 0; }
.entry-content hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }

/* ── About page ───────────────────────────────────────────────────── */
.about-profile { max-width: 640px; }
.about-title { color: var(--text-2); font-size: 0.95rem; margin: -8px 0 24px; }
.about-links { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 12px; }
.about-links li::before { display: none; }
.about-links a { color: var(--accent-dark); border-bottom: 1px solid var(--accent); font-size: 0.9rem; }

/* ── Badges ───────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  background: var(--code-bg);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.badge--beginner  { background: #e8f5e9; color: #2e7d32; border-color: #c8e6c9; }
.badge--intermediate { background: #fff8e1; color: #f57f17; border-color: #ffe082; }
.badge--advanced  { background: #fce4ec; color: #c62828; border-color: #f8bbd0; }
.badge--stance    { background: var(--accent-bg); color: var(--accent-dark); border-color: var(--accent); }
.badge--pick      { background: var(--accent-bg); color: var(--accent-dark); border-color: var(--accent); }

/* ── Cards (archive grids) ────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 28px;
}

.card {
  background: var(--surface);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card:hover { background: var(--accent-bg); }

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
}
.card-title a { color: inherit; text-decoration: none; }
.card-title a:hover { color: var(--accent-dark); text-decoration: none; }

.card-excerpt {
  font-size: 0.82rem;
  color: var(--text-2);
  line-height: 1.5;
  flex: 1;
}

.card-meta {
  font-size: 0.72rem;
  color: var(--text-2);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.card-arrow {
  font-size: 0.78rem;
  color: var(--accent-dark);
  font-weight: 600;
  margin-top: 4px;
}

/* ── Tool-specific ────────────────────────────────────────────────── */
.tool-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--border);
  margin: 24px 0;
}
.tool-spec {
  padding: 14px 20px;
  border-right: 1px solid var(--border);
  font-size: 0.82rem;
  flex: 1;
  min-width: 120px;
}
.tool-spec:last-child { border-right: none; }
.tool-spec-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-2); font-weight: 600; display: block; margin-bottom: 4px; }
.tool-spec-val { font-weight: 600; color: var(--text); }

.tool-cta {
  display: inline-block;
  padding: 10px 22px;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background var(--transition);
}
.tool-cta:hover { background: var(--accent-dark); color: #fff; text-decoration: none; }

/* ── Debate-specific ──────────────────────────────────────────────── */
.debate-sides {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin: 28px 0;
}
.debate-side {
  background: var(--surface);
  padding: 24px;
}
.debate-side-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  color: var(--text-2);
}

.verdict-box {
  padding: 20px 24px;
  background: var(--accent-bg);
  border-left: 3px solid var(--accent);
  margin: 28px 0;
}
.verdict-box-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-dark);
  margin-bottom: 8px;
}

/* ── Person profile ───────────────────────────────────────────────── */
.person-quote {
  font-size: 1.1rem;
  font-style: italic;
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  margin: 24px 0;
  color: var(--text-2);
  background: var(--accent-bg);
}

/* ── Tutorial-specific ────────────────────────────────────────────── */
.tutorial-meta-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  margin: 20px 0 32px;
  font-size: 0.8rem;
  color: var(--text-2);
}

.next-step-block {
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  margin-top: 40px;
}
.next-step-block-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-2);
  margin-bottom: 10px;
}
.next-step-block a {
  font-weight: 600;
  font-size: 1rem;
  color: var(--accent-dark);
}

/* ── Glossary ─────────────────────────────────────────────────────── */
.term-definition {
  font-size: 1.05rem;
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  background: var(--accent-bg);
  margin: 20px 0;
  line-height: 1.6;
}

.az-index {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 20px 0 32px;
}
.az-index a {
  display: inline-block;
  width: 32px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  text-decoration: none;
}
.az-index a:hover { background: var(--accent-bg); color: var(--accent-dark); border-color: var(--accent); text-decoration: none; }

/* ── Archive filter bar ───────────────────────────────────────────── */
.archive-filters {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.filter-btn {
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent-dark);
}

/* ── Pagination ───────────────────────────────────────────────────── */
.pagination {
  margin-top: 48px;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.82rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
  text-decoration: none;
}
.pagination a:hover { background: var(--accent-bg); border-color: var(--accent); color: var(--accent-dark); text-decoration: none; }
.pagination .current { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Section header (archive pages) ──────────────────────────────── */
.section-intro {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.section-intro p { color: var(--text-2); max-width: 620px; margin-top: 10px; }

/* ── Breadcrumb ───────────────────────────────────────────────────── */
.breadcrumb {
  font-size: 0.76rem;
  color: var(--text-2);
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.breadcrumb a { color: var(--text-2); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb-sep { color: var(--border); }

/* ── 404 / search ─────────────────────────────────────────────────── */
.not-found-wrap, .no-results-wrap {
  padding: 60px 0;
  max-width: 480px;
}
.not-found-code {
  font-size: 5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--border);
  margin-bottom: 16px;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.search-form-large {
  display: flex;
  margin: 24px 0;
  max-width: 420px;
}
.search-form-large input {
  flex: 1;
  border: 1px solid var(--border);
  padding: 10px 14px;
  font-size: 0.9rem;
  outline: none;
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius);
}
.search-form-large input:focus { border-color: var(--accent); }
.search-form-large button {
  border: 1px solid var(--border);
  border-left: none;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

/* ── Footer ───────────────────────────────────────────────────────── */
#vcd-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 40px calc(var(--gap) + 8px);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: var(--content-max);
}
.footer-col-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  font-size: 0.82rem;
  color: var(--text-2);
  margin-bottom: 7px;
  text-decoration: none;
}
.footer-col a:hover { color: var(--accent-dark); }
.footer-bottom {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  max-width: var(--content-max);
}

/* ── Full-bleed bands (hero + taxonomy strip on homepage) ────────── */
.home-band {
  margin-left:  calc(-1 * (var(--gap) + 8px));
  margin-right: calc(-1 * (var(--gap) + 8px));
  padding-left:  calc(var(--gap) + 8px);
  padding-right: calc(var(--gap) + 8px);
}
.home-band--alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding-top: 40px;
  padding-bottom: 40px;
}

/* ── Front page ───────────────────────────────────────────────────── */
.hero {
  padding-top: 28px;
  padding-bottom: 24px;
  margin-bottom: 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.hero-kicker {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-dark);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 14px;
}
.hero p {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 560px;
  margin-bottom: 0;
  line-height: 1.65;
}

/* ── Featured card (first post on homepage) ──────────────────────── */
.card--featured {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px 32px;
  margin-bottom: 24px;
}
.card--featured .card-type { margin-bottom: 10px; }
.card--featured .card-title { font-size: 1.45rem; font-weight: 700; line-height: 1.25; margin-bottom: 12px; letter-spacing: -0.02em; }
.card--featured .card-title a { color: var(--text); text-decoration: none; }
.card--featured .card-title a:hover { color: var(--accent-dark); }
.card--featured .card-excerpt { color: var(--text-2); font-size: 0.95rem; line-height: 1.6; margin-bottom: 18px; max-width: 680px; }
.card-read { font-size: 0.875rem; font-weight: 600; color: var(--accent-dark); text-decoration: none; }
.card-read:hover { text-decoration: underline; }
.btn {
  display: inline-block;
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; text-decoration: none; }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--accent-bg); color: var(--accent-dark); border-color: var(--accent); text-decoration: none; }

.path-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 40px;
}
.path-card {
  background: var(--surface);
  padding: 28px 24px;
}
.path-card:hover { background: var(--accent-bg); }
.path-card-label { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-dark); margin-bottom: 8px; }
.path-card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.path-card p { font-size: 0.82rem; color: var(--text-2); margin-bottom: 16px; }
.path-card a { font-size: 0.8rem; font-weight: 600; color: var(--accent-dark); text-decoration: none; }
.path-card a:hover { text-decoration: underline; }

.home-section-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ── Utility ──────────────────────────────────────────────────────── */
.text-muted   { color: var(--text-2); }
.text-accent  { color: var(--accent-dark); }
.mt-0  { margin-top: 0; }
.mb-24 { margin-bottom: 24px; }
.divider { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.related-section { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.related-section h3 { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); margin-bottom: 16px; }

/* ── Desktop: show sidebar pin ───────────────────────────────────── */
@media (min-width: 961px) {
  #sidebar-pin { display: flex; }
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 960px) {
  /* sidebar becomes slide-in panel (controlled by #sidebar-trigger) */
  #vcd-sidebar {
    transform: translateX(calc(-1 * var(--sidebar-w)));
    box-shadow: none;
  }
  #vcd-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.12);
  }
  body.sidebar-off #vcd-sidebar { transform: translateX(calc(-1 * var(--sidebar-w))); }

  #vcd-wrapper { margin-left: 0; }

  /* show the left-edge tab trigger */
  #sidebar-trigger { display: flex; }

  /* footer 2×2 */
  .footer-grid { grid-template-columns: repeat(2, 1fr); }

  /* path cards vertical */
  .path-cards { grid-template-columns: 1fr; }

  /* debate sides stack */
  .debate-sides { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --gap: 20px; }

  #vcd-header { padding: 0 16px; }

  .entry-title, .page-title, .archive-title { font-size: 1.5rem; }
  .hero h1 { font-size: 1.75rem; }

  .card-grid { grid-template-columns: 1fr; }

  .footer-bottom { flex-direction: column; text-align: center; }

  .header-search { display: none; }

  #vcd-main { padding: 24px 20px; }
  .home-band { margin-left: -20px; margin-right: -20px; padding-left: 20px; padding-right: 20px; }

}

/* ══════════════════════════════════════════════════════════════════
   TAXONOMY SYSTEM (v2)
   ══════════════════════════════════════════════════════════════════ */

/* ── Taxonomy tag pills (shown on cards & single posts) ─────────── */
.tax-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}
.tax-tag {
  display: inline-block;
  padding: 2px 9px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  transition: all 0.15s ease;
}
.tax-tag:hover { text-decoration: none; background: var(--accent-bg); border-color: var(--accent); color: var(--accent-dark); }
.tax-tag--person   { border-color: #b0d4e8; color: #2a7aad; background: #eaf4fb; }
.tax-tag--tool     { border-color: #b8e0c0; color: #2a7a46; background: #edfaf1; }
.tax-tag--language { border-color: #d4c4e8; color: #6a2aad; background: #f5f0fb; }
.tax-tag--framework{ border-color: #e8d4b0; color: #ad702a; background: #fbf4ea; }
.tax-tag--category { border-color: var(--border); color: var(--text-2); }

/* ── Browse by type strip (homepage) ────────────────────────────── */
.type-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}
.type-chip {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: all 0.15s ease;
}
.type-chip:hover { border-color: var(--accent); background: var(--accent-bg); color: var(--accent-dark); text-decoration: none; }
.type-chip--tutorial   { border-color: #6aafd4; color: #2a7aad; background: #eaf4fb; }
.type-chip--debate     { border-color: #e89090; color: #ad2a2a; background: #fbeaea; }
.type-chip--news       { border-color: #90c890; color: #2a6a2a; background: #eafaea; }
.type-chip--discussion { border-color: #d4d490; color: #6a6a2a; background: #fafaea; }
.type-chip--fact       { border-color: #b0b0d4; color: #2a2aad; background: #eeeef8; }
.type-chip--definition { border-color: #d4b0d4; color: #6a2a6a; background: #f8eef8; }
.type-chip--example    { border-color: #d4c490; color: #6a4a2a; background: #faf4ea; }

/* ── Pill list (teaser row of taxonomy terms on homepage) ───────── */
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 40px;
}
.pill {
  display: inline-block;
  padding: 5px 14px;
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: all 0.15s ease;
}
.pill:hover { background: var(--accent-bg); border-color: var(--accent); color: var(--accent-dark); text-decoration: none; }
.pill--tool { border-color: #b8e0c0; color: #2a7a46; background: #edfaf1; }
.pill--lang { border-color: #c0b8e0; color: #46367a; background: #f1edfа; }
.pill--fw   { border-color: #e0d4b8; color: #7a5a2a; background: #faf4ed; }
.pill--all  { border-color: var(--border); color: var(--text-2); background: transparent; font-weight: 600; }
.pill--all:hover { background: var(--surface); border-color: var(--accent); color: var(--accent-dark); }

/* ── Heading helpers ─────────────────────────────────────────────── */
.home-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
}
.see-all {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-dark);
  text-decoration: none;
  margin-left: auto;
}
.see-all:hover { text-decoration: underline; }
.count-badge {
  display: inline-block;
  padding: 1px 7px;
  font-size: 0.68rem;
  font-weight: 600;
  background: var(--accent-bg);
  color: var(--accent-dark);
  border: 1px solid #c4dff0;
}

/* ── Post type (category) card badge ────────────────────────────── */
.card-type {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 5px;
}
.card-type a { color: var(--accent-dark); text-decoration: none; }
.card-type a:hover { text-decoration: underline; }

/* ── Category archive header ─────────────────────────────────────── */
.cat-header {
  padding: 36px 0 28px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.cat-header .cat-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-dark);
  margin-bottom: 6px;
}
.cat-header h1 { font-size: 1.9rem; font-weight: 800; margin-bottom: 8px; line-height: 1.1; }
.cat-header p { font-size: 0.9rem; color: var(--text-2); max-width: 480px; }
.cat-header--tutorial .cat-label { color: #2a7aad; }
.cat-header--debate   .cat-label { color: #ad2a2a; }
.cat-header--news     .cat-label { color: #2a6a2a; }

/* ── Hub page header ─────────────────────────────────────────────── */
.hub-header {
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
.hub-header h1 { font-size: 2rem; font-weight: 800; margin-bottom: 8px; }
.hub-header p  { font-size: 0.9rem; color: var(--text-2); max-width: 480px; }

/* ── Term grid (hub pages) ───────────────────────────────────────── */
.term-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 48px;
}
.term-grid--compact { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

.term-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  background: var(--surface);
  text-decoration: none;
  color: var(--text);
  transition: background 0.15s ease;
}
.term-card:hover { background: var(--accent-bg); text-decoration: none; }
.term-card-avatar {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  color: var(--accent-dark);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.term-card-avatar--sm { width: 36px; height: 36px; font-size: 0.78rem; }
.term-card--tool .term-card-avatar     { background: #edfaf1; border-color: #b8e0c0; color: #2a7a46; }
.term-card--language .term-card-avatar { background: #f5f0fb; border-color: #d4c4e8; color: #6a2aad; }
.term-card--framework .term-card-avatar{ background: #fbf4ea; border-color: #e8d4b0; color: #ad702a; }

.term-card-body { flex: 1; min-width: 0; }
.term-card-name { font-size: 0.95rem; font-weight: 700; margin-bottom: 2px; color: var(--text); }
.term-card-sub  { font-size: 0.75rem; color: var(--accent-dark); margin-bottom: 4px; }
.term-card-desc { font-size: 0.78rem; color: var(--text-2); line-height: 1.4; margin-bottom: 4px; }
.term-card-known{ font-size: 0.72rem; color: var(--text-2); font-style: italic; }
.term-card-count{ font-size: 0.68rem; color: var(--text-2); margin-top: 6px; }
.term-card-specs{ display: flex; flex-wrap: wrap; gap: 4px; margin: 4px 0; }
.term-card-specs span { font-size: 0.68rem; color: var(--text-2); background: var(--bg); border: 1px solid var(--border); padding: 1px 6px; }
.free-badge { background: #edfaf1 !important; border-color: #b8e0c0 !important; color: #2a7a46 !important; }

/* ── Person profile page ─────────────────────────────────────────── */
.profile-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px;
  margin-bottom: 40px;
}
.profile-card-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 20px;
}
.profile-avatar {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  color: var(--accent-dark);
  font-size: 1.6rem;
  font-weight: 700;
}
.profile-name { font-size: 1.5rem; font-weight: 800; margin-bottom: 3px; line-height: 1.1; }
.profile-role { font-size: 0.82rem; color: var(--accent-dark); margin-bottom: 5px; font-weight: 600; }
.profile-url  { font-size: 0.78rem; color: var(--text-2); text-decoration: none; }
.profile-url:hover { color: var(--accent-dark); text-decoration: underline; }
.profile-bio  { font-size: 0.88rem; color: var(--text); line-height: 1.6; margin-bottom: 16px; }
.profile-quote {
  border-left: 3px solid var(--accent);
  padding: 10px 16px;
  font-style: italic;
  color: var(--text-2);
  font-size: 0.88rem;
  margin: 16px 0;
  background: var(--accent-bg);
}
.profile-known {
  display: flex;
  gap: 8px;
  font-size: 0.82rem;
  margin-top: 14px;
}
.profile-meta-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-2);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Tool profile page ───────────────────────────────────────────── */
.tool-card-hero {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px;
  margin-bottom: 40px;
}
.tool-card-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 16px;
}
.tool-initial {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #edfaf1;
  border: 1px solid #b8e0c0;
  color: #2a7a46;
  font-size: 1.3rem;
  font-weight: 700;
}
.tool-name    { font-size: 1.4rem; font-weight: 800; margin-bottom: 3px; line-height: 1.1; }
.tool-tagline { font-size: 0.85rem; color: var(--text-2); margin-bottom: 5px; }
.tool-url     { font-size: 0.78rem; color: var(--accent-dark); text-decoration: none; }
.tool-url:hover { text-decoration: underline; }
.tool-desc    { font-size: 0.88rem; color: var(--text); line-height: 1.6; margin-bottom: 16px; }
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-top: 16px;
}
.spec-table th, .spec-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.spec-table th { font-weight: 600; color: var(--text-2); width: 140px; background: var(--bg); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }

/* ── Language / Framework profile page ──────────────────────────── */
.lang-card-hero {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px;
  margin-bottom: 40px;
}
.lang-card-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 16px;
}
.lang-initial {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f0fb;
  border: 1px solid #d4c4e8;
  color: #6a2aad;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.lang-name     { font-size: 1.4rem; font-weight: 800; margin-bottom: 3px; }
.lang-url      { font-size: 0.78rem; color: var(--accent-dark); text-decoration: none; }
.lang-url:hover{ text-decoration: underline; }
.lang-parent-lang { font-size: 0.78rem; color: var(--text-2); margin-bottom: 4px; }
.lang-desc     { font-size: 0.88rem; color: var(--text); line-height: 1.6; margin-bottom: 12px; }
.lang-ideal    { display: flex; gap: 8px; font-size: 0.82rem; margin-top: 12px; }

/* ── Single post taxonomy accordions ─────────────────────────────── */
.tax-accordion {
  border: 1px solid var(--border);
  border-top: none;
  width: 100%;
}
.tax-accordion:first-of-type { border-top: 1px solid var(--border); }

.tax-accordion-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-2);
  cursor: pointer;
  list-style: none;
  user-select: none;
  background: var(--bg);
  transition: background 0.15s ease;
}
.tax-accordion-head::-webkit-details-marker { display: none; }
.tax-accordion-head::after {
  content: '+';
  margin-left: auto;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-2);
  line-height: 1;
}
details[open] > .tax-accordion-head { background: var(--surface); }
details[open] > .tax-accordion-head::after { content: '−'; }
.tax-accordion-head:hover { background: var(--accent-bg); color: var(--text); }

.tax-accordion-count {
  display: inline-block;
  padding: 1px 6px;
  font-size: 0.65rem;
  font-weight: 600;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-2);
}

.tax-accordion-body {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.post-listicle {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin-top: 8px;
  background: var(--surface);
}
.post-listicle-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-2);
  margin-bottom: 14px;
}
.post-listicle-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: listicle;
}
.post-listicle-list li {
  counter-increment: listicle;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  line-height: 1.4;
}
.post-listicle-list li:last-child { border-bottom: none; }
.post-listicle-list li::before {
  content: counter(listicle);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-2);
  min-width: 18px;
  text-align: right;
  flex-shrink: 0;
}
.post-listicle-type {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 1px;
}
.post-listicle-list a {
  color: var(--text-1);
  text-decoration: none;
}
.post-listicle-list a:hover { color: var(--accent); }

/* ── Archive / category ──────────────────────────────────────────── */
.archive-title { font-size: 1.9rem; font-weight: 800; margin-bottom: 8px; }
.archive-desc  { font-size: 0.9rem; color: var(--text-2); margin-bottom: 28px; }

/* ── Pagination ──────────────────────────────────────────────────── */
.pagination { margin-top: 40px; }
.pagination .nav-links { display: flex; gap: 4px; }
.pagination .page-numbers {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--border);
  font-size: 0.82rem;
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
}
.pagination .page-numbers.current { background: var(--accent); border-color: var(--accent); color: #fff; }
.pagination .page-numbers:hover   { background: var(--accent-bg); border-color: var(--accent); color: var(--accent-dark); text-decoration: none; }

/* ── Responsive additions ────────────────────────────────────────── */
@media (max-width: 960px) {
  .term-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .term-grid, .term-grid--compact { grid-template-columns: 1fr; }
  .profile-card     { padding: 20px; }
  .profile-card-head{ flex-direction: column; }
  .tool-card-hero   { padding: 20px; }
  .tool-card-head   { flex-direction: column; }
  .lang-card-hero   { padding: 20px; }
  .lang-card-head   { flex-direction: column; }
}