/* ============================================================
   XplurData — docs.css
   Styles for the JSON-driven documentation page (docs.html)
   ============================================================ */

/* ── Reset & base ──────────────────────────────────────────── */
.docs-body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

/* ── Top nav ───────────────────────────────────────────────── */
.docs-topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  display: flex;
  align-items: center;
}
[data-theme="dark"] .docs-topnav { background: rgba(10,13,26,0.95); }

.docs-topnav-inner {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.docs-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--fg);
  font-weight: 700;
  font-size: 15px;
  flex-shrink: 0;
}
.docs-logo-sep   { color: var(--fg-subtle); margin: 0 2px; }
.docs-logo-label { color: var(--primary); font-weight: 600; font-size: 14px; }

.docs-topnav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.docs-topnav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
}
.docs-topnav-link:hover { color: var(--fg); background: var(--bg-secondary); }
.docs-topnav-github {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}
.docs-theme-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--fg-muted);
  cursor: pointer;
  transition: var(--transition);
}
.docs-theme-btn:hover { color: var(--fg); border-color: var(--primary); }
.docs-mobile-menu-btn {
  display: none;
  align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--fg-muted);
  cursor: pointer;
}

/* ── Layout ────────────────────────────────────────────────── */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr 200px;
  grid-template-areas: "sidebar main toc";
  min-height: 100vh;
  padding-top: 56px;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.docs-sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}
.docs-sidebar-inner {
  padding: 24px 0 40px;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.docs-sidebar-section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--fg-subtle);
  padding: 0 20px;
  margin-bottom: 8px;
}
.docs-sidenav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.docs-sidenav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.docs-sidenav-link:hover { color: var(--fg); background: var(--bg-secondary); }
.docs-sidenav-link.active {
  color: var(--primary);
  font-weight: 600;
  border-left-color: var(--primary);
  background: rgba(6,128,95,0.06);
}
.docs-sidenav-icon { font-size: 15px; width: 20px; text-align: center; flex-shrink: 0; }

.docs-sidebar-footer {
  margin-top: auto;
  padding: 16px 20px 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.docs-sidebar-footer-link {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--fg-subtle);
  text-decoration: none;
  transition: color 0.15s;
}
.docs-sidebar-footer-link:hover { color: var(--primary); }

/* ── Main content ──────────────────────────────────────────── */
.docs-main {
  grid-area: main;
  min-width: 0;
  padding: 40px 48px 80px;  
  overflow-x: hidden;
  box-sizing: border-box;
  width: 100%;
}
.docs-article { max-width: 760px; width: 100%; overflow-x: hidden; }

/* ── TOC ───────────────────────────────────────────────────── */
.docs-toc {
  grid-area: toc;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
  padding: 28px 20px;
}
.docs-toc-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--fg-subtle);
  margin-bottom: 12px;
}
.docs-toc-nav { display: flex; flex-direction: column; gap: 5px; }
.docs-toc-link {
  font-size: 12px;
  color: var(--fg-muted);
  text-decoration: none;
  line-height: 1.4;
  transition: color 0.15s;
  display: block;
}
.docs-toc-link:hover { color: var(--primary); }
.docs-toc-link--sub { padding-left: 12px; font-size: 11.5px; }
.docs-toc-empty { font-size: 12px; color: var(--fg-subtle); }

/* ── Loading ───────────────────────────────────────────────── */
.docs-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  height: 300px;
  color: var(--fg-muted);
  font-size: 14px;
}
.docs-loading-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.docs-error {
  padding: 40px;
  background: rgba(226,75,74,0.05);
  border: 1px solid rgba(226,75,74,0.2);
  border-radius: var(--radius);
  color: var(--fg);
}
.docs-error h2 { font-size: 18px; margin-bottom: 12px; }
.docs-error p  { color: var(--fg-muted); margin-bottom: 8px; }

/* ── Breadcrumb ────────────────────────────────────────────── */
.docs-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.docs-breadcrumb a { color: var(--fg-muted); text-decoration: none; }
.docs-breadcrumb a:hover { color: var(--primary); }
.docs-breadcrumb span { opacity: 0.4; }
.docs-breadcrumb-cta {
  margin-left: auto;
  color: var(--primary) !important;
  font-weight: 600;
}

/* ── Intro page ────────────────────────────────────────────── */
.docs-intro-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(6,128,95,0.1);
  border: 1px solid rgba(6,128,95,0.25);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
}
.docs-intro-hero { margin-bottom: 40px; }
.docs-intro-headline {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--fg);
  margin: 0 0 16px;
}
.docs-gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--info));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.docs-intro-desc {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 0 24px;
}
.docs-hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.docs-hero-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
  border: 1.5px solid transparent;
}
.docs-hero-cta--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.docs-hero-cta--primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.docs-hero-cta:not(.docs-hero-cta--primary) {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.docs-hero-cta:not(.docs-hero-cta--primary):hover { border-color: var(--primary); color: var(--primary); }

/* Install preview block */
.docs-install-preview { margin-bottom: 48px; }
.docs-pre--output {
  border-top: 1px solid var(--border) !important;
  margin-top: 0 !important;
  border-radius: 0 0 var(--radius) var(--radius) !important;
  background: rgba(0,0,0,0.04) !important;
  color: var(--fg-muted) !important;
  font-size: 12px !important;
}
[data-theme="dark"] .docs-pre--output { background: rgba(0,0,0,0.2) !important; }

/* Pillars */
.docs-pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.docs-pillar {
  padding: 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.docs-pillar:hover { border-color: var(--primary); box-shadow: 0 4px 16px rgba(6,128,95,0.08); }
.docs-pillar-icon  { font-size: 28px; margin-bottom: 10px; display: block; }
.docs-pillar-title { font-size: 15px; font-weight: 700; color: var(--fg); margin: 0 0 6px; }
.docs-pillar-desc  { font-size: 13px; color: var(--fg-muted); line-height: 1.6; margin: 0; }

/* Explore docs */
.docs-explore-section { margin-bottom: 48px; }
.docs-section-h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--fg);
  margin: 0 0 8px;
}
.docs-section-sub { font-size: 14px; color: var(--fg-muted); margin: 0 0 20px; }
.docs-explore-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.docs-explore-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--fg);
  transition: var(--transition);
  cursor: pointer;
}
.docs-explore-card:hover { border-color: var(--primary); transform: translateX(3px); }
.docs-explore-num  {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.5;
  flex-shrink: 0;
  width: 32px;
}
.docs-explore-title { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.docs-explore-desc  { font-size: 12px; color: var(--fg-muted); line-height: 1.4; }
.docs-explore-arrow { margin-left: auto; color: var(--fg-subtle); flex-shrink: 0; font-size: 16px; transition: transform 0.2s; }
.docs-explore-card:hover .docs-explore-arrow { transform: translateX(3px); color: var(--primary); }

/* Access table */
.docs-access-section { margin-bottom: 48px; }

/* ── Generic page ──────────────────────────────────────────── */
.docs-page-header { margin-bottom: 32px; }
.docs-page-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  color: var(--fg);
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}
.docs-page-subtitle {
  font-size: 16px;
  color: var(--fg-muted);
  margin: 0;
  line-height: 1.6;
}

/* ── Sections ──────────────────────────────────────────────── */
.docs-section { margin-bottom: 36px; }
.docs-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ── Code blocks ───────────────────────────────────────────── */
.docs-code-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0;
}
.docs-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.docs-code-lang {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}
.docs-copy-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--fg-muted);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}
.docs-copy-btn:hover { border-color: var(--primary); color: var(--primary); }
.docs-copy-btn.copied { border-color: var(--success); color: var(--success); }

.docs-pre {
  margin: 0 !important;
  padding: 16px 18px !important;
  background: var(--card-bg) !important;
  font-family: var(--font-mono) !important;
  font-size: 13px !important;
  line-height: 1.6 !important;
  overflow-x: auto !important;
  color: var(--fg) !important;
  border-radius: 0 !important;
  border: none !important;
  max-width: 100%;
  box-sizing: border-box;
  word-break: break-word;
}
[data-theme="dark"] .docs-pre { background: hsl(223,30%,10%) !important; }
.docs-code { font-family: var(--font-mono) !important; }

/* Basic syntax coloring */
.dc-comment { color: var(--fg-subtle); font-style: italic; }

/* ── Tables ────────────────────────────────────────────────── */
.docs-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); max-width: 100%; width: 100%; box-sizing: border-box; }
.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  text-align: left;
  min-width: 400px;
}
.docs-table thead { background: var(--bg-secondary); }
.docs-table th {
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--fg-subtle);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.docs-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  line-height: 1.5;
}
.docs-table tbody tr:last-child td { border-bottom: none; }
.docs-table tbody tr:hover { background: var(--bg-secondary); }

/* ── Notes ─────────────────────────────────────────────────── */
.docs-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 24px;
}
.docs-note--info    { background: rgba(27,138,181,0.08); border: 1px solid rgba(27,138,181,0.2); color: var(--fg); }
.docs-note--success { background: rgba(6,128,95,0.08);  border: 1px solid rgba(6,128,95,0.2);  color: var(--fg); }
.docs-note--warn    { background: rgba(212,160,23,0.08); border: 1px solid rgba(212,160,23,0.25);color: var(--fg); }
.docs-note--error   { background: rgba(226,75,74,0.08);  border: 1px solid rgba(226,75,74,0.2); color: var(--fg); }
.docs-note-icon     { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ── Inline code ───────────────────────────────────────────── */
.docs-inline-code {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 1px 5px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--primary);
}

/* ── Requirements ──────────────────────────────────────────── */
.docs-requirements { display: flex; flex-direction: column; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.docs-req-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.docs-req-item:last-child { border-bottom: none; }
.docs-req-item:nth-child(even) { background: var(--bg-secondary); }
.docs-req-label { font-weight: 700; color: var(--fg); flex-shrink: 0; }
.docs-req-value { color: var(--fg-muted); text-align: right; }

/* ── SDK Tabs ──────────────────────────────────────────────── */
.docs-tabs-header {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 0;
  padding: 0;
}
.docs-tab-btn {
  padding: 8px 16px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--bg-secondary);
  color: var(--fg-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}
.docs-tab-btn:hover  { color: var(--fg); background: var(--card-bg); }
.docs-tab-btn.active { background: var(--card-bg); color: var(--primary); border-bottom: 2px solid var(--primary); position: relative; z-index: 1; }
.docs-tabs-body {
  border: 1px solid var(--border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) var(--radius-sm);
  overflow: hidden;
  /* Stack all panels — container height = tallest panel, no jump */
  display: grid;
  grid-template-rows: 1fr;
  grid-template-columns: 1fr;
}
.docs-tab-panel {
  grid-area: 1 / 1;           /* all panels occupy the same cell */
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  /* keep in flow so the container stays at max height */
  height: auto;
}
.docs-tab-panel.active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.15s ease;
}

/* ── FAQ ───────────────────────────────────────────────────── */
.docs-faq { display: flex; flex-direction: column; gap: 8px; }
.docs-faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s;
}
.docs-faq-item[open] { border-color: var(--primary); }
.docs-faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  cursor: pointer;
  list-style: none;
  user-select: none;
  background: var(--card-bg);
}
.docs-faq-q::-webkit-details-marker { display: none; }
.docs-faq-chevron { flex-shrink: 0; color: var(--fg-muted); transition: transform 0.2s; }
.docs-faq-item[open] .docs-faq-chevron { transform: rotate(180deg); color: var(--primary); }
.docs-faq-a {
  padding: 0 18px 14px;
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
  background: var(--card-bg);
}

/* ── Architecture Diagram ──────────────────────────────────── */
.docs-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.docs-diagram-layer {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
}
.docs-diagram-layer-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--fg-subtle);
  margin-bottom: 4px;
}
.docs-diagram-layer-items {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
.docs-diagram-node {
  padding: 8px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
}
.docs-diagram-arrow {
  font-size: 20px;
  color: var(--primary);
  opacity: 0.5;
  padding: 2px 0;
}

/* ── Prose ─────────────────────────────────────────────────── */
.docs-prose {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.75;
  margin: 0;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .docs-layout { grid-template-columns: 220px 1fr; grid-template-areas: "sidebar main"; }
  .docs-toc { display: none; }
  .docs-main { padding: 32px 36px 60px; }
}

@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; grid-template-areas: "main"; }
  .docs-sidebar {
    position: fixed;
    top: 56px; left: 0;
    width: 260px;
    height: calc(100vh - 56px);
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 90;
    box-shadow: 4px 0 24px rgba(0,0,0,0.12);
  }
  .docs-sidebar.open { transform: translateX(0); }
  .docs-mobile-menu-btn { display: flex; }
  .docs-topnav-link:not(.docs-topnav-github) { display: none; }
  .docs-main { padding: 24px 20px 60px; }
  .docs-pillars { grid-template-columns: 1fr; }
  .docs-explore-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .docs-topnav-inner { padding: 0 14px; }
  .docs-logo-sep, .docs-logo-label { display: none; }
  .docs-pre { font-size: 12px !important; }
  .docs-code-block { overflow: hidden; max-width: 100%; }
  .docs-intro-desc { font-size: 15px; }
  .docs-tab-btn { font-size: 12px; padding: 6px 12px; }
  .docs-topnav-github span { display: none; }
}

/* ── Images ────────────────────────────────────────────────── */
.docs-img-figure {
  margin: 0 0 8px;
  display: block;
  width: 100%;
}
.docs-img--bordered .docs-img {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
[data-theme="dark"] .docs-img--bordered .docs-img {
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
.docs-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}
.docs-img-caption {
  font-size: 12px;
  color: var(--fg-subtle);
  text-align: center;
  margin-top: 8px;
  font-style: italic;
  line-height: 1.5;
}

/* Image grid */
.docs-img-grid {
  display: grid;
  gap: 16px;
}
@media (max-width: 600px) {
  .docs-img-grid { grid-template-columns: 1fr !important; }
}