/* ========================================
   Docs Layout — Sidebar + Content + TOC
   ======================================== */

:root {
  --docs-sidebar-width: 270px;
  --docs-toc-width: 200px;
  --docs-topbar-height: 56px;
}

.docs-body {
  background: var(--color-bg);
  padding-top: var(--docs-topbar-height);
}

/* ---------- Top Bar ---------- */
.docs-topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--docs-topbar-height);
  background: rgba(248, 250, 252, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.docs-topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; padding: 0 20px; max-width: 1440px; margin: 0 auto;
}
.docs-topbar-left {
  display: flex; align-items: center; gap: 10px;
}
.docs-topbar-right {
  display: flex; align-items: center; gap: 16px;
}

.sidebar-toggle {
  display: none; flex-direction: column; gap: 4px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.sidebar-toggle span {
  display: block; width: 20px; height: 2px;
  background: var(--color-text-secondary); border-radius: 2px;
  transition: all .25s;
}
.sidebar-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4px,4px); }
.sidebar-toggle.open span:nth-child(2) { opacity: 0; }
.sidebar-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4px,-4px); }

.docs-logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--color-text); font-size: 1rem;
}
.docs-logo-img { width: 26px; height: 26px; border-radius: 5px; }

.docs-topbar-divider { color: var(--color-text-muted); font-weight: 300; }
.docs-topbar-title { color: var(--color-text-secondary); font-weight: 500; font-size: .95rem; }

/* ---------- Search ---------- */
.docs-search {
  position: relative; display: flex; align-items: center;
}
.search-icon {
  position: absolute; left: 12px; color: var(--color-text-muted); pointer-events: none;
}
.search-input {
  width: 220px; padding: 8px 12px 8px 36px;
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: 8px; font-size: .9rem; color: var(--color-text);
  outline: none; transition: all .2s;
}
.search-input:focus {
  border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}
.search-kbd {
  position: absolute; right: 8px;
  font-size: .7rem; color: var(--color-text-muted);
  background: var(--color-bg-alt); border: 1px solid var(--color-border);
  border-radius: 4px; padding: 1px 6px; pointer-events: none;
}

.search-results {
  display: none; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%); width: min(480px, calc(100vw - 32px));
  max-height: 360px; overflow-y: auto;
  background: var(--color-bg-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  margin-top: 4px; z-index: 200;
}
.search-results.visible { display: block; }
.search-result-item {
  display: block; padding: 10px 16px; cursor: pointer;
  border-bottom: 1px solid var(--color-border);
  transition: background .15s;
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--color-bg-alt); }
.search-result-item .result-title { font-weight: 600; font-size: .9rem; }
.search-result-item .result-section { font-size: .78rem; color: var(--color-text-muted); }
.search-result-item .result-snippet { font-size: .82rem; color: var(--color-text-secondary); margin-top: 2px; }
.search-result-item mark { background: rgba(79,70,229,.15); color: var(--color-primary); border-radius: 2px; padding: 0 2px; }
.search-no-results { padding: 24px; text-align: center; color: var(--color-text-muted); font-size: .9rem; }

.docs-locale-btn {
  background: var(--color-bg-alt); border: 1px solid var(--color-border);
  border-radius: 6px; padding: 4px 10px; font-size: .78rem; font-weight: 600;
  color: var(--color-text-secondary); cursor: pointer; transition: all .2s;
}
.docs-locale-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.docs-home-link, .docs-gh-link {
  color: var(--color-text-secondary); font-size: .9rem; font-weight: 500;
  transition: color .2s;
}
.docs-home-link:hover, .docs-gh-link:hover { color: var(--color-text); }

/* ---------- Sidebar ---------- */
.docs-sidebar {
  position: fixed; top: var(--docs-topbar-height);
  left: 0; bottom: 0; width: var(--docs-sidebar-width);
  overflow-y: auto; overflow-x: hidden;
  border-right: 1px solid var(--color-border);
  background: var(--color-bg-card);
  padding: 16px 0;
  scrollbar-width: thin;
}
.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

.sidebar-nav { padding: 0 12px; }
.sidebar-group { margin-bottom: 6px; }
.sidebar-group-title {
  padding: 8px 12px; font-size: .72rem; font-weight: 700;
  text-transform: uppercase; color: var(--color-text-muted);
  letter-spacing: .06em; user-select: none;
}
.sidebar-item {
  display: block; padding: 7px 12px; border-radius: 6px;
  font-size: .9rem; color: var(--color-text-secondary);
  cursor: pointer; transition: all .15s; margin-bottom: 1px;
}
.sidebar-item:hover { background: var(--color-bg-alt); color: var(--color-text); }
.sidebar-item.active {
  background: rgba(79,70,229,.08); color: var(--color-primary); font-weight: 600;
}

/* ---------- Main Content ---------- */
.docs-main {
  margin-left: var(--docs-sidebar-width);
  min-height: calc(100vh - var(--docs-topbar-height));
  padding: 40px 48px 80px;
  max-width: 900px;
}

.docs-content h1 {
  font-size: 2rem; font-weight: 800; margin: 0 0 24px;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.docs-content h1:not(:first-child) { margin-top: 40px; }

.docs-content h2 {
  font-size: 1.45rem; font-weight: 700; margin: 40px 0 16px;
  padding-bottom: 8px; border-bottom: 1px solid var(--color-border);
}
.docs-content h3 {
  font-size: 1.15rem; font-weight: 600; margin: 28px 0 10px;
}
.docs-content h4 {
  font-size: 1rem; font-weight: 600; margin: 20px 0 8px;
}

.docs-content p {
  margin-bottom: 14px; color: var(--color-text-secondary); line-height: 1.8; font-size: .95rem;
}
.docs-content img {
  width: 100%;
  margin: 18px 0 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  background: var(--color-bg-card);
}
.docs-content img + p em,
.docs-content p:has(> em:only-child) {
  display: block;
  margin: 0 0 22px;
  color: var(--color-text-muted);
  font-size: .86rem;
  text-align: center;
  line-height: 1.6;
}
.docs-content ul, .docs-content ol {
  margin: 0 0 16px 20px; color: var(--color-text-secondary);
  font-size: .95rem; line-height: 1.8;
}
.docs-content li { margin-bottom: 4px; }
.docs-content strong { color: var(--color-text); }

/* Tables */
.docs-content table {
  width: 100%; border-collapse: collapse; margin: 16px 0 24px;
  font-size: .9rem; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); overflow: hidden;
}
.docs-content table th {
  background: var(--color-bg-alt); font-weight: 600;
  text-align: left; padding: 10px 14px; font-size: .85rem;
  color: var(--color-text-secondary); border-bottom: 1px solid var(--color-border);
}
.docs-content table td {
  padding: 10px 14px; border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}
.docs-content table tr:last-child td { border-bottom: none; }

/* Code blocks — reuse from style.css, extended */
.docs-content .code-block {
  margin: 16px 0; background: #1e293b;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  overflow: hidden;
}
.docs-content .code-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px; background: rgba(0,0,0,.12);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.docs-content .code-header span {
  font-size: .8rem; color: var(--color-text-muted);
}
.docs-content .code-block pre {
  padding: 14px 16px; overflow-x: auto;
  font-family: 'JetBrains Mono','Fira Code','Consolas',monospace;
  font-size: .85rem; line-height: 1.7;
}
.docs-content .code-block code { color: #e6edf3; }

/* Inline code */
.docs-content :not(pre) > code {
  background: var(--color-bg-alt); border: 1px solid var(--color-border);
  border-radius: 4px; padding: 2px 7px; font-size: .85em;
  font-family: 'JetBrains Mono','Fira Code','Consolas',monospace;
  color: var(--color-primary-dark); white-space: nowrap;
}

/* Callout / Tip boxes */
.docs-content .callout {
  padding: 14px 18px; margin: 20px 0; border-radius: var(--radius-sm);
  border-left: 4px solid var(--color-primary);
  background: rgba(79,70,229,.04); font-size: .92rem;
  color: var(--color-text-secondary); line-height: 1.7;
}
.docs-content .callout strong { color: var(--color-primary); }
.docs-content .callout.info { border-left-color: var(--color-accent); background: rgba(8,145,178,.04); }
.docs-content .callout.warn { border-left-color: #d97706; background: rgba(217,119,6,.04); }

/* ---------- TOC (On this page) ---------- */
.docs-toc {
  display: none; /* hidden on screens < 1400 */
}
@media (min-width: 1400px) {
  .docs-toc {
    display: block; position: fixed;
    top: calc(var(--docs-topbar-height) + 40px);
    right: max(24px, calc((100vw - 1440px) / 2 + 24px));
    width: var(--docs-toc-width);
    max-height: calc(100vh - var(--docs-topbar-height) - 80px);
    overflow-y: auto; font-size: .82rem;
  }
  .docs-toc-title {
    font-weight: 700; font-size: .72rem; text-transform: uppercase;
    color: var(--color-text-muted); letter-spacing: .06em;
    margin-bottom: 10px;
  }
  .docs-toc a {
    display: block; padding: 4px 0; color: var(--color-text-secondary);
    border-left: 2px solid transparent; padding-left: 12px;
    transition: all .15s;
  }
  .docs-toc a:hover, .docs-toc a.active { color: var(--color-primary); border-left-color: var(--color-primary); }
}

/* ---------- Breadcrumbs ---------- */
.docs-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: .8rem; color: var(--color-text-muted); margin-bottom: 16px;
}
.docs-breadcrumb a { color: var(--color-text-muted); }
.docs-breadcrumb a:hover { color: var(--color-primary); }
.docs-breadcrumb .sep { color: var(--color-text-muted); user-select: none; }

/* ---------- Module meta ---------- */
.docs-module-meta {
  display: flex; gap: 12px; flex-wrap: wrap; margin: 12px 0 24px;
}
.docs-module-tag {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  font-size: .75rem; font-weight: 600;
}
.tag-package-aneiang { background: rgba(79,70,229,.1); color: var(--color-primary); }
.tag-package-dashboard { background: rgba(234,88,12,.1); color: #ea580c; }
.tag-package-client { background: rgba(22,163,74,.1); color: var(--color-success); }
.tag-category-core { background: rgba(8,145,178,.1); color: var(--color-accent); }
.tag-category-security { background: rgba(219,39,119,.1); color: #db2777; }
.tag-category-observability { background: rgba(202,138,4,.1); color: #ca8a04; }
.tag-category-system { background: rgba(100,116,139,.1); color: #64748b; }

/* ---------- Prev / Next nav ---------- */
.docs-page-nav {
  display: flex; justify-content: space-between; margin-top: 56px;
  padding-top: 24px; border-top: 1px solid var(--color-border);
}
.docs-page-nav a {
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px 18px; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); transition: all .2s;
  max-width: 48%;
}
.docs-page-nav a:hover {
  border-color: var(--color-primary); background: rgba(79,70,229,.04);
}
.docs-page-nav .pn-label { font-size: .75rem; color: var(--color-text-muted); }
.docs-page-nav .pn-title { font-size: .9rem; font-weight: 600; color: var(--color-text); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .docs-sidebar {
    transform: translateX(-100%);
    transition: transform .3s cubic-bezier(.4,0,.2,1);
    z-index: 90;
  }
  .docs-sidebar.open { transform: translateX(0); }
  .sidebar-backdrop {
    display: none; position: fixed; inset: 0;
    background: rgba(15,23,42,.4);
    z-index: 85;
  }
  .sidebar-backdrop.visible { display: block; }
  .sidebar-toggle { display: flex; }
  .docs-main { margin-left: 0; padding: 24px 20px 60px; }
  .search-input { width: 160px; }
  .search-kbd { display: none; }
}

@media (max-width: 640px) {
  .docs-topbar-inner { padding: 0 12px; }
  .docs-main { padding: 20px 16px 48px; }
  .docs-content h1 { font-size: 1.5rem; }
  .docs-content h2 { font-size: 1.2rem; }
  .docs-search { display: none; }
  .docs-content table { font-size: .8rem; }
  .docs-content table th, .docs-content table td { padding: 8px 10px; }
}

/* ---------- Mermaid ---------- */
.docs-content .mermaid {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 24px 0;
  padding: 20px 16px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow-x: auto;
}

.docs-content .mermaid svg {
  max-width: 100%;
  height: auto;
}