/* ============================================
   Aevum Labs — docs layout (sidebar / article / TOC)
   ============================================ */

.docs-shell{
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 240px minmax(0, 700px) 220px;
  gap: 56px;
  align-items: start;
}

/* ---- Left sidebar ---- */
.docs-sidebar{
  position: sticky;
  top: calc(var(--header-h) + 40px);
  padding: 48px 0 60px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.docs-nav-group{ display: flex; flex-direction: column; gap: 2px; }
.docs-nav-label{
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--fg-dimmer);
  margin-bottom: 8px;
  padding: 0 10px;
}
.docs-nav-link{
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg-dim);
  padding: 7px 10px;
  border-radius: 5px;
  transition: color .15s ease, background .15s ease;
}
.docs-nav-link:hover{ color: var(--fg); background: rgba(255,255,255,0.05); }
.docs-nav-link.is-active{ color: var(--fg); background: rgba(186,255,61,0.08); }

.docs-sidebar-status{
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dimmer);
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-top: 8px;
}
.docs-sidebar-status .pulse-dot{ flex-shrink: 0; }

/* ---- Article ---- */
.docs-article{
  padding: 48px 0 100px;
  border-left: 1px dashed var(--border);
  border-right: 1px dashed var(--border);
  padding-left: 56px;
  padding-right: 56px;
}
.docs-crumb{
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--fg-dimmer);
  margin-bottom: 18px;
}
.docs-crumb a{ color: var(--fg-dim); transition: color .15s ease; }
.docs-crumb a:hover{ color: var(--fg); }

.docs-article h1{
  font-family: var(--sans);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin: 0 0 18px;
}
.docs-dek{
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-dim);
  margin: 0 0 16px;
  max-width: 58ch;
}
.docs-meta{
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--fg-dimmer);
  margin-bottom: 36px;
}

.docs-callout{
  margin: 0 0 44px;
  padding: 18px 22px;
  border-left: 2px solid var(--accent);
  background: rgba(186,255,61,0.05);
  border-radius: 0 6px 6px 0;
}
.docs-callout p{
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fg-dim);
  margin: 0;
}
.docs-callout strong{ color: var(--fg); }

.docs-article h2{
  display: flex;
  align-items: center;
  font-family: var(--sans);
  font-size: clamp(21px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--fg);
  margin: 56px 0 18px;
  padding-top: 32px;
  border-top: 1px dashed var(--border);
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.docs-article h2:first-of-type{ border-top: none; padding-top: 0; margin-top: 0; }
.docs-article h3{
  font-family: var(--sans);
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin: 28px 0 12px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}
.docs-article p{
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.85;
  color: var(--fg-dim);
  margin: 0 0 18px;
}
.docs-article strong{ color: var(--fg); font-weight: 600; }
.docs-article code{
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--fg);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
}
.docs-article a{ color: var(--fg); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--fg-dimmer); transition: text-decoration-color .15s ease; }
.docs-article a:hover{ text-decoration-color: var(--fg); }
.docs-article ul{
  margin: 0 0 20px;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.docs-article ul li{
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-dim);
  padding-left: 20px;
  position: relative;
}
.docs-article ul li::before{
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.docs-article ol{
  margin: 0 0 20px;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.docs-article ol li{
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-dim);
  padding-left: 6px;
}
.docs-article ol li::marker{ color: var(--accent); font-size: 12px; }

.docs-table-wrap{ overflow-x: auto; margin: 0 0 26px; }
.docs-article table{
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12.5px;
}
.docs-article th{
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-strong);
  color: var(--fg-dimmer);
  font-weight: 500;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.docs-article td{
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--fg-dim);
}
.docs-article tr:last-child td{ border-bottom: none; }
.docs-article td:first-child, .docs-article th:first-child{ color: var(--fg); }

.docs-article h4{
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--fg);
  margin: 20px 0 8px;
}

.docs-code{
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 0 0 22px;
  overflow-x: auto;
}
.docs-code-line{
  display: block;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--fg-dim);
  white-space: pre;
}
.docs-code-line.is-cmd{ color: var(--fg); }
.docs-code-line.is-cmd::before{ content: '$ '; color: var(--accent); }
.docs-code-line.is-out{ color: var(--fg-dimmer); }
.docs-code-line.is-ok{ color: #6fd88a; }

.docs-step-num{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  margin-right: 12px;
  flex-shrink: 0;
  vertical-align: middle;
}

.docs-footer-nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px dashed var(--border);
}
.docs-byline{ font-family: var(--mono); font-size: 12.5px; color: var(--fg-dimmer); }
.docs-next{
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--fg-dim);
  border-bottom: 1px solid var(--fg-dimmer);
  padding-bottom: 2px;
  transition: color .15s ease, border-color .15s ease;
}
.docs-next:hover{ color: var(--fg); border-color: var(--fg); }

/* ---- Right TOC ---- */
.docs-toc{
  position: sticky;
  top: calc(var(--header-h) + 40px);
  padding: 48px 0 60px;
}
.docs-toc-label{
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--fg-dimmer);
  margin-bottom: 14px;
}
.docs-toc-list{ display: flex; flex-direction: column; gap: 2px; }
.docs-toc-link{
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--fg-dimmer);
  padding: 6px 0 6px 12px;
  border-left: 1px solid var(--border);
  transition: color .15s ease, border-color .15s ease;
}
.docs-toc-link:hover{ color: var(--fg-dim); }
.docs-toc-link.is-active{ color: var(--accent); border-color: var(--accent); }

@media (max-width: 1180px){
  .docs-shell{ grid-template-columns: 220px minmax(0, 1fr); }
  .docs-toc{ display: none; }
}

@media (max-width: 860px){
  .docs-shell{ grid-template-columns: minmax(0, 1fr); padding: 0 24px; gap: 0; }
  .docs-sidebar{
    position: static;
    padding: 24px 0;
    border-bottom: 1px dashed var(--border);
  }
  .docs-article{
    border-left: none;
    border-right: none;
    padding-left: 0;
    padding-right: 0;
  }
}