/* ================================================================
   piex.dev — Blog article styles
   Reuses design tokens from style.css (:root)
   ================================================================ */

/* ---- layout shell ---- */

.blog-layout {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
  box-sizing: border-box;
  min-width: 0;
}

.blog-toc,
.blog-article {
  min-width: 0;
}

/* ---- sticky TOC (desktop) ---- */

.blog-toc {
  display: none;
}

.blog-toc-title {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
}

.blog-toc nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.blog-toc a {
  display: block;
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
  border-left: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.35;
  text-decoration: none;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.blog-toc a:hover {
  color: var(--text);
  background: var(--bg-elevated);
  text-decoration: none;
}

.blog-toc a.is-active {
  color: var(--green);
  border-left-color: var(--green);
  background: rgba(62, 207, 94, 0.08);
}

.blog-toc a.depth-3 {
  padding-left: 1.1rem;
  font-size: 0.8rem;
}

/* mobile TOC toggle */
.blog-toc-mobile {
  display: block;
  margin-bottom: 0.25rem;
}

.blog-toc-toggle {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  margin: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font: 600 0.9rem/1.3 var(--sans);
  cursor: pointer;
  text-align: left;
}

.blog-toc-toggle .chev {
  color: var(--text-muted);
  font-size: 0.75rem;
  transition: transform 0.2s;
}

.blog-toc-mobile.is-open .blog-toc-toggle .chev {
  transform: rotate(180deg);
}

.blog-toc-mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.15rem;
  margin-top: 0.45rem;
  padding: 0.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: min(55vh, 380px);
  overflow-y: auto;
}

.blog-toc-mobile.is-open .blog-toc-mobile-nav {
  display: flex;
}

.blog-toc-mobile-nav a {
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.88rem;
  text-decoration: none;
}

.blog-toc-mobile-nav a:hover,
.blog-toc-mobile-nav a.is-active {
  color: var(--green);
  background: rgba(62, 207, 94, 0.08);
  text-decoration: none;
}

/* ---- article chrome ---- */

.blog-article {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.35rem 1.1rem 2rem;
}

.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
  font-size: 0.86rem;
  color: var(--text-muted);
  font-family: var(--mono);
}

.blog-back:hover {
  color: var(--cyan);
  text-decoration: none;
}

.blog-header {
  margin-bottom: 1.75rem;
  padding-bottom: 1.35rem;
  border-bottom: 1px solid var(--border);
}

.blog-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.85rem;
}

.blog-date {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.blog-tag {
  font-size: 0.68rem;
  padding: 0.14rem 0.5rem;
  border-radius: 4px;
  background: var(--bg);
  color: var(--green);
  border: 1px solid var(--green-dim);
  font-family: var(--mono);
  font-weight: 600;
}

.blog-header h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.45rem, 3.5vw, 2rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
}

.blog-lede {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.blog-lede strong {
  color: var(--text);
  font-weight: 600;
}

/* ---- prose ---- */

.blog-prose {
  font-size: 0.98rem;
  line-height: 1.72;
  color: var(--text);
  overflow-wrap: anywhere;
}

.blog-prose > :first-child {
  margin-top: 0;
}

.blog-prose h2 {
  margin: 2.4rem 0 0.9rem;
  padding-top: 0.35rem;
  font-size: clamp(1.2rem, 2.4vw, 1.4rem);
  font-weight: 750;
  letter-spacing: -0.015em;
  color: var(--text);
  scroll-margin-top: 5.5rem;
}

.blog-prose h2::before {
  content: "";
  display: block;
  width: 2rem;
  height: 3px;
  margin-bottom: 0.65rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--green), transparent);
}

.blog-prose h3 {
  margin: 1.75rem 0 0.6rem;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--cyan);
  scroll-margin-top: 5.5rem;
}

.blog-prose h4 {
  margin: 1.35rem 0 0.45rem;
  font-size: 0.98rem;
  font-weight: 650;
  color: var(--text);
}

.blog-prose p {
  margin: 0 0 1rem;
}

.blog-prose a {
  color: var(--cyan);
  text-underline-offset: 2px;
}

.blog-prose a:hover {
  color: #5de3e9;
}

.blog-prose ul,
.blog-prose ol {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
}

.blog-prose li {
  margin: 0.3rem 0;
}

.blog-prose li::marker {
  color: var(--green-dim);
}

.blog-prose strong {
  color: #eef2f6;
  font-weight: 650;
}

.blog-prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.blog-prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  padding: 0.12em 0.38em;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  word-break: break-word;
}

/* ---- code blocks ---- */

.blog-code {
  position: relative;
  margin: 1.1rem 0 1.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0b1119;
  overflow: hidden;
}

.blog-code-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.45rem 0.75rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.blog-code-copy {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.blog-code-copy:hover {
  color: var(--green);
  border-color: var(--green-dim);
}

.blog-code-copy.is-copied {
  color: var(--green);
  border-color: var(--green-dim);
}

.blog-code pre {
  margin: 0;
  padding: 0.95rem 1.05rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-size: 0.8rem;
  line-height: 1.6;
  max-width: 100%;
}

.blog-code pre code {
  padding: 0;
  border: none;
  background: none;
  font-size: inherit;
  color: var(--text);
  word-break: normal;
  white-space: pre;
}

.blog-code .cmt { color: #5c6b7a; }
.blog-code .kw  { color: #c792ea; }
.blog-code .str { color: #c3e88d; }
.blog-code .num { color: #f78c6c; }
.blog-code .fn  { color: #82aaff; }
.blog-code .op  { color: #89ddff; }
.blog-code .hl  {
  display: inline-block;
  width: 100%;
  margin: 0 -1.05rem;
  padding: 0 1.05rem;
  background: rgba(62, 207, 94, 0.08);
  box-shadow: inset 3px 0 0 var(--green);
}

/* ---- callouts ---- */

.blog-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem 0.85rem;
  margin: 1.25rem 0;
  padding: 0.95rem 1.05rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
}

.blog-callout-icon {
  font-size: 1.05rem;
  line-height: 1.4;
}

.blog-callout-body {
  min-width: 0;
}

.blog-callout-label {
  margin: 0 0 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.blog-callout p {
  margin: 0;
  color: var(--text);
  font-size: 0.94rem;
  line-height: 1.6;
}

.blog-callout p + p {
  margin-top: 0.5rem;
}

.blog-callout.insight {
  border-color: rgba(62, 207, 94, 0.35);
  background: rgba(62, 207, 94, 0.06);
}
.blog-callout.insight .blog-callout-label { color: var(--green); }

.blog-callout.note {
  border-color: rgba(90, 158, 255, 0.35);
  background: rgba(90, 158, 255, 0.06);
}
.blog-callout.note .blog-callout-label { color: var(--blue); }

.blog-callout.warn {
  border-color: rgba(219, 157, 42, 0.4);
  background: rgba(219, 157, 42, 0.07);
}
.blog-callout.warn .blog-callout-label { color: var(--amber); }

/* ---- comparison cards ---- */

.blog-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin: 1.15rem 0 1.4rem;
}

.blog-card-item {
  padding: 1rem 1.05rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.blog-card-item:hover {
  border-color: var(--border-hover);
}

.blog-card-item.is-highlight {
  border-color: rgba(62, 207, 94, 0.45);
  box-shadow: var(--shadow-glow);
}

.blog-card-item h3,
.blog-card-item .card-title {
  margin: 0 0 0.45rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
}

.blog-card-item .card-kicker {
  display: inline-block;
  margin-bottom: 0.4rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.blog-card-item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.blog-card-item ul {
  margin: 0.55rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.7rem;
}

.blog-pill {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-elevated);
}

.blog-pill.good {
  color: var(--green);
  border-color: var(--green-dim);
  background: rgba(62, 207, 94, 0.08);
}

.blog-pill.bad {
  color: var(--red);
  border-color: rgba(245, 83, 75, 0.35);
  background: rgba(245, 83, 75, 0.08);
}

/* ---- failure-range bars ---- */

.fail-map {
  display: grid;
  gap: 0.75rem;
  margin: 1.15rem 0 1.4rem;
}

.fail-row {
  display: grid;
  gap: 0.4rem;
}

.fail-label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 0.75rem;
  font-size: 0.86rem;
}

.fail-label strong {
  color: var(--text);
  font-weight: 650;
}

.fail-label span {
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.fail-bar {
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  gap: 2px;
  height: 14px;
}

.fail-bar i {
  display: block;
  border-radius: 2px;
  background: rgba(115, 130, 144, 0.22);
}

.fail-bar i.on {
  background: var(--red);
  box-shadow: 0 0 8px rgba(245, 83, 75, 0.35);
}

.fail-bar i.mid {
  background: var(--amber);
}

.fail-bar.global i { background: rgba(245, 83, 75, 0.85); }
.fail-bar.context i:nth-child(n+4):nth-child(-n+6) {
  background: var(--amber);
  box-shadow: 0 0 8px rgba(219, 157, 42, 0.35);
}
.fail-bar.local i:nth-child(5) {
  background: var(--green);
  box-shadow: 0 0 8px rgba(62, 207, 94, 0.35);
}

/* ---- layer / architecture stack ---- */

.arch-stack {
  display: grid;
  gap: 0.55rem;
  margin: 1.15rem 0 1.4rem;
}

.arch-layer {
  position: relative;
  padding: 0.95rem 1.05rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
}

.arch-layer::after {
  content: "↓";
  position: absolute;
  left: 50%;
  bottom: -0.85rem;
  transform: translateX(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
  z-index: 1;
}

.arch-layer:last-child::after {
  display: none;
}

.arch-layer-name {
  margin: 0 0 0.3rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--green);
}

.arch-layer p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.arch-layer ul {
  margin: 0.45rem 0 0;
  padding-left: 1.15rem;
  font-size: 0.86rem;
  color: var(--text-muted);
}

/* ---- timeline ---- */

.blog-timeline {
  position: relative;
  margin: 1.15rem 0 1.5rem;
  padding-left: 1.35rem;
}

.blog-timeline::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 0.3rem;
  bottom: 0.3rem;
  width: 2px;
  background: linear-gradient(180deg, var(--green), var(--border));
  border-radius: 1px;
}

.blog-tl-item {
  position: relative;
  margin: 0 0 1.05rem;
  padding: 0.75rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.blog-tl-item::before {
  content: "";
  position: absolute;
  left: -1.18rem;
  top: 1rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(62, 207, 94, 0.18);
}

.blog-tl-item:last-child {
  margin-bottom: 0;
}

.blog-tl-step {
  margin: 0 0 0.25rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.blog-tl-item h4 {
  margin: 0 0 0.3rem;
  font-size: 0.95rem;
  color: var(--text);
}

.blog-tl-item p,
.blog-tl-item ul {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.blog-tl-item ul {
  margin-top: 0.35rem;
  padding-left: 1.1rem;
}

/* ---- two-column compare ---- */

.blog-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 1.1rem 0 1.35rem;
}

.blog-split-pane {
  padding: 0.9rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 0;
}

.blog-split-pane h4 {
  margin: 0 0 0.55rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--cyan);
  font-family: var(--mono);
}

.blog-split-pane ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.blog-split-pane p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ---- tables ---- */

.blog-table-wrap {
  margin: 1.1rem 0 1.4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.blog-table-wrap table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.blog-table-wrap th,
.blog-table-wrap td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.blog-table-wrap th {
  position: sticky;
  top: 0;
  background: #0e141c;
  color: var(--green);
  font-weight: 650;
  font-size: 0.82rem;
  white-space: nowrap;
}

.blog-table-wrap tr:last-child td {
  border-bottom: none;
}

.blog-table-wrap tr:nth-child(even) td {
  background: rgba(0, 0, 0, 0.12);
}

.blog-table-wrap td code {
  font-size: 0.82em;
}

.cell-yes { color: var(--green); font-weight: 650; }
.cell-no  { color: var(--text-muted); }
.cell-warn { color: var(--amber); font-weight: 600; }

/* ---- checklist / feature grid ---- */

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  margin: 1.1rem 0 1.35rem;
}

.feature-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  padding: 0.8rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feature-icon {
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: rgba(62, 207, 94, 0.1);
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--mono);
}

.feature-item h4 {
  margin: 0 0 0.2rem;
  font-size: 0.92rem;
  color: var(--text);
}

.feature-item p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---- phase roadmap ---- */

.phase-list {
  display: grid;
  gap: 0.75rem;
  margin: 1.1rem 0 1.4rem;
}

.phase-card {
  padding: 0.95rem 1.05rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
}

.phase-card.done {
  border-color: rgba(62, 207, 94, 0.4);
}

.phase-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.7rem;
  margin-bottom: 0.45rem;
}

.phase-head h4 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
}

.phase-badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.phase-badge.done {
  color: var(--green);
  border-color: var(--green-dim);
  background: rgba(62, 207, 94, 0.1);
}

.phase-badge.next {
  color: var(--amber);
  border-color: rgba(219, 157, 42, 0.45);
  background: rgba(219, 157, 42, 0.08);
}

.phase-card p,
.phase-card ul {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.phase-card ul {
  margin-top: 0.4rem;
  padding-left: 1.15rem;
}

/* ---- article footer nav ---- */

.blog-footer-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 2.25rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--border);
}

.blog-nav-card {
  display: block;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  text-decoration: none;
  transition: border-color 0.2s, transform 0.15s;
}

.blog-nav-card:hover {
  border-color: var(--green-dim);
  text-decoration: none;
  transform: translateY(-1px);
}

.blog-nav-label {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-nav-title {
  color: var(--text);
  font-weight: 650;
  font-size: 0.95rem;
  line-height: 1.35;
}

.blog-source-link {
  margin-top: 1.25rem;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.blog-source-link a {
  color: var(--cyan);
}

/* ---- desktop ---- */

@media (min-width: 900px) {
  .blog-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 1.75rem;
    padding: 1.75rem 1.25rem 4rem;
    align-items: start;
  }

  .blog-toc {
    display: block;
    position: sticky;
    top: 5.25rem;
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
    padding-right: 0.25rem;
  }

  .blog-toc-mobile {
    display: none;
  }

  .blog-article {
    padding: 1.85rem 2rem 2.4rem;
  }

  .blog-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .blog-cards.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .blog-split {
    grid-template-columns: 1fr 1fr;
  }

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

  .blog-footer-nav {
    grid-template-columns: 1fr 1fr;
  }

  .blog-footer-nav .is-next {
    text-align: right;
  }
}

@media (min-width: 700px) and (max-width: 899px) {
  .blog-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .blog-cards.cols-3-force {
    grid-template-columns: 1fr;
  }

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

  .blog-footer-nav {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 699px) {
  .blog-article {
    padding: 1.1rem 0.9rem 1.75rem;
  }

  .blog-prose {
    font-size: 0.95rem;
  }

  .blog-prose h2 {
    margin-top: 1.9rem;
  }

  .blog-code pre {
    font-size: 0.76rem;
    padding: 0.8rem 0.85rem;
  }
}


/* ---- docs three-column layout ---- */

.docs-nav,
.page-toc {
  display: none;
  min-width: 0;
}

.docs-nav a,
.page-toc a {
  display: block;
  padding: 0.4rem 0.55rem;
  border-radius: 6px;
  border-left: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.35;
  text-decoration: none;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.docs-nav a:hover,
.page-toc a:hover {
  color: var(--text);
  background: var(--bg-elevated);
  text-decoration: none;
}

.docs-nav a.is-active {
  color: var(--green);
  border-left-color: var(--green);
  background: rgba(62, 207, 94, 0.08);
  font-weight: 600;
}

.page-toc a.is-active {
  color: var(--green);
  border-left-color: var(--green);
  background: rgba(62, 207, 94, 0.08);
}

.page-toc a.depth-3 {
  padding-left: 1.1rem;
  font-size: 0.8rem;
}

.docs-nav nav,
.page-toc nav {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.docs-mobile-nav {
  display: block;
  margin-bottom: 0.55rem;
}

.docs-mobile-nav.is-open .blog-toc-toggle .chev {
  transform: rotate(180deg);
}

.docs-mobile-nav .blog-toc-mobile-nav {
  display: none;
}

.docs-mobile-nav.is-open .blog-toc-mobile-nav {
  display: flex;
}

@media (min-width: 900px) {
  .blog-layout.docs-layout {
    max-width: 1280px;
    grid-template-columns: 200px minmax(0, 1fr) 200px;
    gap: 1.35rem;
  }

  .docs-nav,
  .page-toc {
    display: block;
    position: sticky;
    top: 5.25rem;
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
  }

  .docs-nav {
    padding-right: 0.25rem;
  }

  .page-toc {
    padding-left: 0.15rem;
  }

  .docs-mobile-nav,
  .docs-layout > .blog-article > .blog-toc-mobile {
    display: none;
  }
}

/* slightly tighter rails on mid width */
@media (min-width: 900px) and (max-width: 1099px) {
  .blog-layout.docs-layout {
    grid-template-columns: 180px minmax(0, 1fr) 180px;
  }
}