/* MindPortalix Docs — glassmorphism theme (standalone from the in-app themes).
   Theming: dark is the default; a light palette is applied when the root
   element carries data-theme="light". The active theme (system|light|dark) and
   reading font size are resolved by a pre-paint script in the HTML head and by
   the controls wired up in docs.js. Layout is a three-panel docs shell:
   left sidebar nav · center content · right "On this page" TOC. */

:root,
:root[data-theme="dark"] {
  --bg: #0a0e17;
  --bg2: #0f1420;
  --text: #eef1f8;
  --text2: #aab2c5;
  --text3: #6b7488;
  --tint: #ffffff; /* base color for subtle surface fills */
  --border: color-mix(in srgb, var(--tint), transparent 88%);
  --border-strong: color-mix(in srgb, var(--tint), transparent 78%);
  --accent: rgb(34, 211, 238); /* links, read-more, inline code, badges */

  --glow-cyan: 34, 211, 238;
  --glow-blue: 59, 130, 246;
  --glow-purple: 168, 85, 247;
  --glow-a: 0.22; /* ambient background glow strength */

  --glass-bg: color-mix(in srgb, #131a2a, transparent 34%);
  --glass-bg-strong: color-mix(in srgb, #131a2a, transparent 14%);
  --glass-hi: color-mix(in srgb, #ffffff, transparent 90%);
  --glass-border: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.22),
    rgba(var(--glow-blue), 0.22) 45%,
    rgba(var(--glow-purple), 0.24)
  );
  --glass-shadow: 0 4px 20px rgba(0, 0, 0, 0.35), 0 20px 60px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 var(--glass-hi);
  --code-bg: #0a0d16; /* code blocks stay dark in both themes (Prism-friendly) */
  --code-fg: #d7dceb;
  --code-line: rgba(255, 255, 255, 0.08);

  --blur: 20px;
  --radius: 16px;
  --content-fs: 15px; /* reading base; font-size controls override this */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

:root[data-theme="light"] {
  --bg: #f6f8fc;
  --bg2: #eaf0f9;
  --text: #0f1626;
  --text2: #46516b;
  --text3: #77809a;
  --tint: #10193a;
  --border: color-mix(in srgb, var(--tint), transparent 90%);
  --border-strong: color-mix(in srgb, var(--tint), transparent 80%);
  --accent: #1f6feb;
  --glow-a: 0.12;

  --glass-bg: color-mix(in srgb, #ffffff, transparent 30%);
  --glass-bg-strong: color-mix(in srgb, #ffffff, transparent 12%);
  --glass-hi: color-mix(in srgb, #ffffff, transparent 40%);
  --glass-border: linear-gradient(
    135deg,
    rgba(16, 25, 58, 0.14),
    rgba(var(--glow-blue), 0.2) 45%,
    rgba(var(--glow-purple), 0.16)
  );
  --glass-shadow: 0 4px 20px rgba(20, 30, 60, 0.08),
    0 20px 60px rgba(20, 30, 60, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}
html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient glow background, fixed so it doesn't scroll with content */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(
      680px circle at 12% -8%,
      rgba(var(--glow-blue), var(--glow-a)),
      transparent 60%
    ),
    radial-gradient(
      620px circle at 108% 12%,
      rgba(var(--glow-purple), calc(var(--glow-a) * 0.9)),
      transparent 60%
    ),
    radial-gradient(
      900px circle at 50% 115%,
      rgba(var(--glow-cyan), calc(var(--glow-a) * 0.65)),
      transparent 60%
    ),
    var(--bg2);
}

a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
}

/* ---------- glass building block ---------- */
.glass {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  border: 1px solid transparent;
  background-clip: padding-box;
}
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--glass-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ---------- topbar ---------- */
.docs-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 12px 24px;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border-bottom: 1px solid var(--border);
}

.docs-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
  color: var(--text);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.2px;
}
.docs-brand .mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  flex: none;
}
.docs-brand .mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 0 14px rgba(var(--glow-blue), 0.35));
}
.docs-brand .tag {
  color: var(--text3);
  font-weight: 500;
  font-size: 12.5px;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--tint), transparent 96%);
  color: var(--text2);
  cursor: pointer;
}

/* search trigger (opens the Ctrl+K modal) */
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  flex: 1 1 240px;
  min-width: 160px;
  margin: 0 10px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--tint), transparent 96%);
  color: var(--text3);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.search-trigger:hover {
  color: var(--text2);
  border-color: var(--border-strong);
}
.search-trigger .st-label {
  margin-right: auto;
}
.search-trigger .kbd {
  display: inline-flex;
  gap: 2px;
}
.kbd kbd,
.search-trigger .kbd kbd {
  font-family: var(--mono);
  font-size: 10.5px;
  line-height: 1;
  padding: 3px 5px;
  border-radius: 5px;
  border: 1px solid var(--border-strong);
  background: color-mix(in srgb, var(--tint), transparent 92%);
  color: var(--text3);
}

.docs-topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* ---------- preference controls (theme + font size) ---------- */
.docs-controls {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ctl-group {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--tint), transparent 96%);
}
.ctl-group button {
  display: grid;
  place-items: center;
  min-width: 30px;
  height: 26px;
  padding: 0 6px;
  border: none;
  background: transparent;
  color: var(--text3);
  border-radius: 7px;
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 700;
  transition: background 0.15s ease, color 0.15s ease;
}
.ctl-group button:hover {
  color: var(--text2);
}
.ctl-group button:disabled {
  opacity: 0.4;
  cursor: default;
}
.ctl-group button.active {
  background: color-mix(in srgb, var(--tint), transparent 86%);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
}
.ctl-group .ctl-label {
  min-width: 32px;
  text-align: center;
  color: var(--text2);
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--tint), transparent 96%);
  color: var(--text2);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-ghost:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: color-mix(in srgb, var(--tint), transparent 92%);
}

/* ---------- layout shell (sidebar + content + toc, used by page.html) ---------- */
.docs-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 240px;
  max-width: none;
  margin: 0;
  gap: 40px;
  padding: 28px 32px 60px;
}

.docs-sidebar {
  align-self: start;
  position: sticky;
  top: 84px;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: calc(100vh - 104px);
  overflow-y: auto;
}

/* collapsible nav groups */
.sb-group + .sb-group {
  margin-top: 4px;
}
.sb-group-head {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--text2);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}
.sb-group-head:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--tint), transparent 95%);
}
.sb-group-head .sb-cat-ico {
  color: var(--text3);
}
.sb-group-head .sb-chevron {
  margin-left: auto;
  transition: transform 0.2s ease;
  color: var(--text3);
}
.sb-group.collapsed .sb-chevron {
  transform: rotate(-90deg);
}
.sb-group-items {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 0.22s ease;
}
.sb-group.collapsed .sb-group-items {
  grid-template-rows: 0fr;
}
.sb-group-inner {
  overflow: hidden;
  min-height: 0;
  padding: 2px 0 6px;
}

.docs-sidebar a.side-link {
  display: block;
  padding: 7px 12px 7px 22px;
  border-radius: 8px;
  font-size: 13.5px;
  color: var(--text2);
  transition: background 0.15s ease, color 0.15s ease;
}
.docs-sidebar a.side-link:hover {
  background: color-mix(in srgb, var(--tint), transparent 94%);
  color: var(--text);
}
.docs-sidebar a.side-link.active {
  background: linear-gradient(
    90deg,
    rgba(var(--glow-blue), 0.18),
    rgba(var(--glow-purple), 0.12)
  );
  color: var(--text);
  font-weight: 600;
  box-shadow: inset 2px 0 0 var(--accent);
}

.docs-main {
  min-width: 0;
  padding: 30px 40px 36px;
}

/* right-hand "On this page" table of contents */
.docs-toc {
  align-self: start;
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 104px);
  overflow-y: auto;
  padding: 4px 0;
  border-left: 1px solid var(--border);
}
.docs-toc .toc-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  margin: 0 0 10px;
  padding-left: 16px;
}
.docs-toc .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.docs-toc .toc-list a {
  display: block;
  padding: 5px 14px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--text3);
  transition: color 0.15s ease, border-color 0.15s ease;
}
.docs-toc .toc-list a:hover {
  color: var(--text);
}
.docs-toc .toc-list a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}
.docs-toc .toc-h3 a {
  padding-left: 26px;
  font-size: 12px;
}

/* ---------- page head: breadcrumb + copy ---------- */
.docs-page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.docs-crumb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text3);
}
.docs-crumb svg {
  opacity: 0.6;
}
.copy-page {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--tint), transparent 96%);
  color: var(--text2);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.copy-page:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

/* ---------- "You will learn" summary card ---------- */
.learn-card {
  margin: 22px 0 8px;
  padding: 18px 22px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--tint), transparent 96%);
}
.learn-card h4 {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text3);
}
.learn-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text2);
  line-height: 1.75;
  font-size: 0.95em;
}

/* ---------- markdown content ---------- */
.docs-content {
  font-size: var(--content-fs);
  max-width: 900px;
}
.docs-content :is(h1, h2, h3, h4) {
  scroll-margin-top: 84px;
}
.docs-content h1 {
  font-size: 2em;
  margin: 0 0 6px;
  background: linear-gradient(90deg, var(--text), rgba(var(--glow-cyan), 0.9));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.docs-content h2 {
  font-size: 1.4em;
  margin: 1.9em 0 0.6em;
  padding-top: 0.4em;
  border-top: 1px solid var(--border);
}
.docs-content h2:first-child {
  border-top: none;
  padding-top: 0;
  margin-top: 0.4em;
}
.docs-content h3 {
  font-size: 1.1em;
  margin: 1.4em 0 0.5em;
  color: var(--text);
}
.docs-content h4 {
  font-size: 1em;
  margin: 1.2em 0 0.4em;
  color: var(--text);
}
.docs-content p {
  color: var(--text2);
  line-height: 1.7;
  font-size: 1em;
}
.docs-content ul,
.docs-content ol {
  color: var(--text2);
  line-height: 1.75;
  font-size: 1em;
  padding-left: 1.5em;
}
.docs-content li > ul,
.docs-content li > ol {
  margin-top: 4px;
}
.docs-content strong {
  color: var(--text);
}
.docs-content img {
  max-width: 100%;
  border-radius: 12px;
}
.docs-content code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: color-mix(in srgb, var(--tint), transparent 92%);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 6px;
  color: var(--accent);
}

/* code blocks (wrapped by docs.js with a header + copy button) */
.docs-content pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  overflow-x: auto;
  box-shadow: var(--glass-shadow);
}
.docs-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--code-fg);
  font-size: 0.86em;
}
.docs-content .code-wrap {
  margin: 16px 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--code-bg);
  box-shadow: var(--glass-shadow);
}
.docs-content .code-wrap pre {
  margin: 0;
  border: none;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
}
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 12px 7px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--code-line);
}
.code-lang {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #8b93a7;
}
.code-copy {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #aab2c5;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.code-copy:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

/* callout boxes (info / tip / warning / danger / success) */
.docs-content .callout {
  display: flex;
  gap: 12px;
  margin: 18px 0;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(var(--c), 0.35);
  background: rgba(var(--c), 0.1);
  font-size: 0.95em;
}
.docs-content .callout-info {
  --c: 59, 130, 246;
}
.docs-content .callout-tip {
  --c: 20, 184, 166;
}
.docs-content .callout-warning {
  --c: 234, 179, 8;
}
.docs-content .callout-danger {
  --c: 239, 68, 68;
}
.docs-content .callout-success {
  --c: 34, 197, 94;
}
.callout .callout-ico {
  flex: none;
  margin-top: 1px;
  color: rgb(var(--c));
}
.callout .callout-body {
  min-width: 0;
}
.callout .callout-title {
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.callout .callout-body > *:first-child {
  margin-top: 0;
}
.callout .callout-body > *:last-child {
  margin-bottom: 0;
}

.docs-content blockquote {
  margin: 16px 0;
  padding: 10px 16px;
  border-left: 3px solid rgba(var(--glow-blue), 0.6);
  background: color-mix(in srgb, var(--tint), transparent 95%);
  border-radius: 0 10px 10px 0;
  color: var(--text2);
  font-size: 0.95em;
}
.docs-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.9em;
}
.docs-content th,
.docs-content td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
  color: var(--text2);
}
.docs-content th {
  color: var(--text);
  background: color-mix(in srgb, var(--tint), transparent 94%);
}
.docs-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}
.docs-content a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent), transparent 70%);
  text-underline-offset: 3px;
}
.docs-content a:hover {
  text-decoration-color: var(--accent);
}

/* prev / next footer navigation */
.docs-footer-nav {
  display: flex;
  gap: 16px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.docs-footer-nav a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1 1 0;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.docs-footer-nav a:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.docs-footer-nav a.next {
  text-align: right;
  margin-left: auto;
}
.docs-footer-nav .fn-dir {
  font-size: 12px;
  color: var(--text3);
}
.docs-footer-nav .fn-title {
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
}

.docs-loading,
.docs-error {
  color: var(--text3);
  font-size: 14px;
  padding: 40px 0;
}
.docs-error {
  color: #f38ba8;
}

/* ---------- search modal (Ctrl+K) ---------- */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
}
.search-overlay.open {
  display: block;
}
.search-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 6, 14, 0.55);
  backdrop-filter: blur(3px);
}
.search-panel {
  position: relative;
  width: min(600px, 92vw);
  margin: 11vh auto 0;
  padding: 8px;
  border-radius: 16px;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(28px) saturate(150%);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5);
}
.search-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
}
.search-input-row svg {
  color: var(--text3);
  flex: none;
}
.search-input-row input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  font-family: inherit;
}
.search-input-row .esc {
  color: var(--text3);
  font-size: 11px;
}
.search-results {
  max-height: 52vh;
  overflow-y: auto;
  padding: 6px;
  border-top: 1px solid var(--border);
}
.search-results:empty {
  display: none;
}
.search-item {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}
.search-item.active {
  background: color-mix(in srgb, var(--tint), transparent 90%);
}
.search-item .si-cat {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 700;
}
.search-item .si-title {
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  margin: 2px 0;
}
.search-item .si-summary {
  color: var(--text3);
  font-size: 12.5px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.search-item mark {
  background: rgba(var(--glow-cyan), 0.25);
  color: inherit;
  border-radius: 3px;
  padding: 0 1px;
}
.search-empty {
  padding: 26px 14px;
  text-align: center;
  color: var(--text3);
  font-size: 13.5px;
}

/* ---------- landing page ---------- */
.docs-hero {
  max-width: none;
  margin: 0;
  padding: 60px 32px 24px;
  text-align: center;
}
.docs-hero .version-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent), transparent 65%);
  background: color-mix(in srgb, var(--accent), transparent 90%);
  margin-bottom: 18px;
}
.docs-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  margin: 0 0 14px;
  line-height: 1.1;
  background: linear-gradient(
    100deg,
    var(--text) 10%,
    rgb(var(--glow-cyan)) 45%,
    rgb(var(--glow-purple)) 85%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.docs-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text2);
  font-size: 16px;
  line-height: 1.6;
}

.docs-landing {
  max-width: none;
  margin: 0;
  padding: 16px 32px 90px;
}

/* ----- "Get Started" quick-link strip ----- */
.gs-strip {
  display: grid;
  grid-template-columns: minmax(190px, 250px) 1fr;
  gap: 26px;
  align-items: center;
  margin: 6px 0 34px;
  padding: 22px 26px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--tint), transparent 96%);
}
.gs-eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}
.gs-head p {
  margin: 8px 0 0;
  color: var(--text2);
  font-size: 14px;
  line-height: 1.55;
}
.gs-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.gs-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  transition: transform 0.18s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.gs-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.32),
    0 22px 60px rgba(var(--glow-blue), 0.12), inset 0 1px 0 var(--glass-hi);
}
.gs-ico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex: none;
  color: var(--accent);
  background: linear-gradient(
    135deg,
    rgba(var(--glow-blue), 0.22),
    rgba(var(--glow-purple), 0.22)
  );
}
.gs-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.gs-title {
  color: var(--text);
  font-weight: 600;
  font-size: 14.5px;
}
.gs-sub {
  color: var(--text3);
  font-size: 12px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.gs-arrow {
  margin-left: auto;
  flex: none;
  color: var(--accent);
  opacity: 0.65;
  transition: transform 0.18s ease, opacity 0.18s ease;
}
.gs-link:hover .gs-arrow {
  transform: translateX(3px);
  opacity: 1;
}

/* ----- expanding product panels (accordion, one open at a time) ----- */
.panels-row {
  display: flex;
  gap: 14px;
  height: 460px;
}
.doc-panel {
  position: relative;
  flex: 1 1 0;
  flex-grow: 1;
  min-width: 0;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--tint), transparent 93%),
    color-mix(in srgb, var(--tint), transparent 97%)
  );
  cursor: pointer;
  transition: flex-grow 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.2s ease, box-shadow 0.3s ease;
}
.doc-panel:hover {
  flex-grow: 1.6;
  border-color: var(--border-strong);
}
.doc-panel.expanded {
  flex-grow: 4.4;
  border-color: color-mix(in srgb, var(--accent), transparent 55%);
  box-shadow: 0 20px 60px rgba(var(--glow-blue), 0.16),
    inset 0 1px 0 var(--glass-hi);
}
.panels-row:has(.expanded) .doc-panel:not(.expanded) {
  flex-grow: 0.7;
}
.panels-row:has(.expanded) .doc-panel:not(.expanded):hover {
  flex-grow: 1;
}
.doc-panel:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.panel-index {
  position: absolute;
  top: 15px;
  right: 17px;
  z-index: 2;
  font-size: 12px;
  font-weight: 700;
  color: var(--text3);
  font-variant-numeric: tabular-nums;
}

/* collapsed state: icon + vertical label */
.panel-rail {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 22px 0;
  transition: opacity 0.22s ease;
}
.doc-panel:hover .panel-rail,
.doc-panel.expanded .panel-rail {
  opacity: 0;
}
.panel-ico {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  flex: none;
  color: #fff;
  background: linear-gradient(
    135deg,
    rgba(var(--glow-blue), 0.95),
    rgba(var(--glow-purple), 0.95)
  );
  box-shadow: 0 0 22px rgba(var(--glow-blue), 0.3);
}
.panel-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--text);
  white-space: nowrap;
}

/* hover/expanded state: horizontal detail */
.panel-body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px 26px 28px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease;
}
.doc-panel:hover .panel-body,
.doc-panel.expanded .panel-body {
  opacity: 1;
  visibility: visible;
}
.panel-body-inner {
  min-width: 260px;
}
.panel-ico-lg {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  margin-bottom: 14px;
  background: linear-gradient(
    135deg,
    rgba(var(--glow-blue), 0.95),
    rgba(var(--glow-purple), 0.95)
  );
  box-shadow: 0 0 22px rgba(var(--glow-blue), 0.3);
}
.panel-body h3 {
  margin: 0 0 8px;
  font-size: 20px;
  color: var(--text);
}
.panel-desc {
  margin: 0;
  color: var(--text2);
  font-size: 13.5px;
  line-height: 1.55;
}
.panel-pages {
  display: grid;
  gap: 8px;
  margin-top: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
}
.doc-panel.expanded .panel-pages {
  max-height: 320px;
  opacity: 1;
  margin-top: 16px;
}
.panel-page {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--tint), transparent 96%);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.panel-page:hover {
  border-color: var(--border-strong);
  background: color-mix(in srgb, var(--tint), transparent 92%);
  transform: translateX(3px);
}
.pp-title {
  display: block;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
}
.pp-sub {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text3);
  font-size: 12px;
  line-height: 1.4;
  margin-top: 2px;
}
.panel-hint {
  margin-top: 16px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.doc-panel.expanded .panel-hint {
  display: none;
}

/* off-canvas scrim for mobile sidebar */
.nav-scrim {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(3, 6, 14, 0.5);
}
body.nav-open .nav-scrim {
  display: block;
}

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .docs-shell {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 32px;
  }
  .docs-toc {
    display: none;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }
  .search-trigger {
    min-width: 0;
    margin: 0;
  }
  .search-trigger .st-label {
    display: none;
  }
  .docs-shell {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  .docs-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 288px;
    max-height: 100vh;
    z-index: 90;
    border-radius: 0;
    background: var(--glass-bg-strong);
    backdrop-filter: blur(26px) saturate(150%);
    -webkit-backdrop-filter: blur(26px) saturate(150%);
    border-right: 1px solid var(--border);
    transform: translateX(-105%);
    transition: transform 0.25s ease;
  }
  body.nav-open .docs-sidebar {
    transform: none;
  }
  .docs-main {
    padding: 22px;
  }
  .docs-hero {
    padding: 44px 18px 10px;
  }
}

@media (max-width: 980px) {
  .gs-strip {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 760px) {
  .gs-links {
    grid-template-columns: 1fr;
  }
  .panels-row {
    flex-direction: column;
    height: auto;
    gap: 12px;
  }
  .doc-panel,
  .doc-panel:hover,
  .panels-row:has(.expanded) .doc-panel:not(.expanded),
  .panels-row:has(.expanded) .doc-panel:not(.expanded):hover {
    flex: none;
  }
  .panel-index {
    display: none;
  }
  .panel-rail {
    position: static;
    flex-direction: row;
    justify-content: flex-start;
    gap: 14px;
    padding: 16px 18px;
    opacity: 1 !important;
  }
  .panel-ico {
    width: 40px;
    height: 40px;
  }
  .panel-label {
    writing-mode: horizontal-tb;
    transform: none;
  }
  .panel-body {
    position: static;
    opacity: 1 !important;
    visibility: visible !important;
    padding: 0 18px 18px;
  }
  .doc-panel:not(.expanded) .panel-body {
    display: none;
  }
  .panel-ico-lg,
  .panel-body h3 {
    display: none;
  }
  .panel-body-inner {
    min-width: 0;
  }
  .panel-pages {
    max-height: none;
  }
}

@media (max-width: 560px) {
  .docs-topbar {
    padding: 10px 14px;
  }
  .docs-brand .tag {
    display: none;
  }
  .docs-footer-nav {
    flex-direction: column;
  }
}