/* LinStabPy Documentation — Anthropic Engineering Design System */

/* ==========================================================================
   Typography: High-Precision Clean Technical Sans (Inter) + JetBrains Mono
   ========================================================================== */

:root {
  --md-text-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --md-code-font: "JetBrains Mono", SFMono-Regular, Consolas, Menlo, monospace;
  --cds-content-scale: 1;
}

body, .md-typeset {
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.md-typeset {
  font-size: calc(0.8rem * var(--cds-content-scale, 1));
}

/* Crisp headings without dated or quirky serif styling */
.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-header__title {
  font-family: var(--md-text-font) !important;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--cds-text-primary);
}

.md-typeset h1 {
  font-size: 2.1rem;
  line-height: 1.25;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.md-typeset h2 {
  font-size: 1.35rem;
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--cds-border-subtle);
  padding-bottom: 0.4rem;
}

.md-typeset h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

/* Elegant subtitle immediately following H1 */
.md-typeset h1 + p {
  font-size: 1.05rem;
  color: var(--cds-text-secondary);
  line-height: 1.6;
  margin-top: 0;
  margin-bottom: 1.75rem;
  max-width: 65ch;
}

/* ==========================================================================
   Color Palette: Warm Obsidian Charcoal & Terracotta Clay (Claude Dark Mode)
   ========================================================================== */

:root,
[data-md-color-scheme="slate"] {
  --cds-bg-base: #141413;
  --cds-surface-1: #191918;
  --cds-surface-2: #21201e;
  --cds-surface-3: #2b2a27;
  --cds-border: #33322e;
  --cds-border-subtle: rgba(255, 255, 255, 0.08);
  --cds-text-primary: #f4f4f2;
  --cds-text-secondary: #a3a29b;
  --cds-text-muted: #73726c;
  --cds-clay: #d97757;
  --cds-clay-hover: #e28a6f;
  --cds-clay-subtle: rgba(217, 119, 87, 0.12);
  --cds-clay-border: rgba(217, 119, 87, 0.28);

  --md-default-bg-color: var(--cds-bg-base);
  --md-default-bg-color--light: var(--cds-surface-1);
  --md-default-bg-color--lighter: var(--cds-surface-2);
  --md-default-bg-color--lightest: var(--cds-surface-3);

  --md-default-fg-color: var(--cds-text-primary);
  --md-default-fg-color--light: var(--cds-text-secondary);
  --md-default-fg-color--lighter: var(--cds-text-muted);
  --md-default-fg-color--lightest: var(--cds-border);

  --md-primary-fg-color: var(--cds-bg-base);
  --md-primary-bg-color: var(--cds-text-primary);
  --md-accent-fg-color: var(--cds-clay);
  --md-typeset-a-color: #60a5fa;

  --md-code-bg-color: var(--cds-surface-1);
  --md-code-fg-color: #f4f4f2;
}

/* Claude Light Mode (Warm Paper & Terracotta) */
[data-md-color-scheme="default"] {
  --cds-bg-base: #faf9f5;
  --cds-surface-1: #f3f1ea;
  --cds-surface-2: #eae7dd;
  --cds-surface-3: #dedad0;
  --cds-border: #e0dcd2;
  --cds-border-subtle: rgba(0, 0, 0, 0.06);
  --cds-text-primary: #1f1e1d;
  --cds-text-secondary: #6e6d68;
  --cds-text-muted: #8c8b84;
  --cds-clay: #c15f3e;
  --cds-clay-hover: #a34426;
  --cds-clay-subtle: rgba(193, 95, 62, 0.08);
  --cds-clay-border: rgba(193, 95, 62, 0.22);

  --md-default-bg-color: var(--cds-bg-base);
  --md-default-bg-color--light: var(--cds-surface-1);
  --md-default-bg-color--lighter: var(--cds-surface-2);
  --md-default-bg-color--lightest: var(--cds-surface-3);

  --md-default-fg-color: var(--cds-text-primary);
  --md-default-fg-color--light: var(--cds-text-secondary);
  --md-default-fg-color--lighter: var(--cds-text-muted);
  --md-default-fg-color--lightest: var(--cds-border);

  --md-primary-fg-color: var(--cds-bg-base);
  --md-primary-bg-color: var(--cds-text-primary);
  --md-accent-fg-color: var(--cds-clay);
  --md-typeset-a-color: #2563eb;

  --md-code-bg-color: var(--cds-surface-1);
  --md-code-fg-color: #1f1e1d;
}

/* ==========================================================================
   Header & Navigation: Refined 56px Navbar with Fluid Logo
   ========================================================================== */

.md-header {
  background-color: var(--cds-bg-base) !important;
  border-bottom: 1px solid var(--cds-border-subtle);
  box-shadow: none !important;
}

.md-header__title {
  font-size: 1rem !important;
  font-weight: 600 !important;
  color: var(--cds-text-primary) !important;
  letter-spacing: -0.01em;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 24px;
  width: 24px;
}

.md-tabs {
  background-color: var(--cds-bg-base) !important;
  border-bottom: 1px solid var(--cds-border-subtle);
}

.md-tabs__link {
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 9999px;
  padding: 0.35rem 0.8rem !important;
  color: var(--cds-text-secondary) !important;
  opacity: 1 !important;
  transition: all 0.15s ease;
}

.md-tabs__link:hover {
  background-color: var(--cds-surface-2);
  color: var(--cds-text-primary) !important;
}

.md-tabs__item--active .md-tabs__link {
  background-color: var(--cds-surface-3);
  color: var(--cds-text-primary) !important;
  font-weight: 600;
}

/* ==========================================================================
   Left Sidebar Navigation: Capsule Pills
   ========================================================================== */

.md-sidebar--primary {
  border-right: 1px solid var(--cds-border-subtle);
}

.md-nav__item .md-nav__link {
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.md-nav__item .md-nav__link:hover {
  background-color: var(--cds-surface-2);
}

.md-nav__item .md-nav__link--active {
  background-color: var(--cds-surface-3) !important;
  color: var(--cds-text-primary) !important;
  font-weight: 600;
}

.md-nav__title {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cds-text-secondary) !important;
  font-weight: 700;
  padding-right: 0.3rem !important;
  height: 28px !important;
  min-height: 28px !important;
  box-sizing: border-box !important;
  transition: none !important;
}

.cds-sidebar-inner-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  min-width: 26px;
  min-height: 26px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--cds-text-muted);
  cursor: pointer;
  padding: 0;
  opacity: 0.7;
  transition: all 0.15s ease;
}

.cds-sidebar-inner-toggle:hover {
  opacity: 1;
  background-color: var(--cds-surface-2);
  color: var(--cds-text-primary);
}

/* Accessible Distinguishable Links in Body Copy (WCAG 2.1 AAA) */
.md-typeset p a,
.md-typeset li a:not(.md-nav__link),
.md-typeset td a {
  text-decoration: underline !important;
  text-underline-offset: 2px !important;
}

/* ==========================================================================
   Inline Code Tags & Code Blocks: Clean Anthropic Style
   ========================================================================== */

.md-typeset code {
  background-color: var(--cds-clay-subtle) !important;
  color: var(--cds-clay) !important;
  border: 1px solid var(--cds-clay-border);
  border-radius: 4px;
  padding: 0.12em 0.38em;
  font-size: 0.85em;
  font-weight: 450;
}

.md-typeset pre > code {
  background-color: transparent !important;
  color: inherit !important;
  border: none !important;
  padding: 0 !important;
}

.md-typeset pre {
  background-color: var(--cds-surface-1) !important;
  border: 1px solid var(--cds-border-subtle);
  border-radius: 8px;
  box-shadow: none;
}

/* ==========================================================================
   Reference Tables: Clean Hairlines
   ========================================================================== */

.md-typeset table:not([class]) {
  border: 1px solid var(--cds-border-subtle);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: none;
  font-size: 0.875rem;
}

.md-typeset table:not([class]) th {
  background-color: var(--cds-surface-1);
  color: var(--cds-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--cds-border-subtle);
  padding: 0.6rem 0.9rem;
}

.md-typeset table:not([class]) td {
  border-bottom: 1px solid var(--cds-border-subtle);
  padding: 0.65rem 0.9rem;
  vertical-align: top;
}

/* Keep code tokens whole: wrap between tokens at spaces, never mid-token.
   Long identifiers (LINSTABPY_*, dotted paths) used to split across lines. */
.md-typeset table:not([class]) td code {
  white-space: nowrap;
}

.md-typeset table:not([class]) th {
  white-space: nowrap;
}

.md-typeset table:not([class]) tr:hover {
  background-color: var(--cds-surface-1);
}

/* ==========================================================================
   Grid Cards: Understated Precision
   ========================================================================== */

.md-typeset .grid.cards > ul > li {
  background-color: var(--cds-surface-1);
  border: 1px solid var(--cds-border-subtle);
  border-radius: 10px;
  padding: 1.25rem;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.md-typeset .grid.cards > ul > li:hover {
  transform: translateY(-2px);
  border-color: var(--cds-clay-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

/* ==========================================================================
   Admonitions & Callouts: Readable Technical Typography
   ========================================================================== */

.md-typeset .admonition,
.md-typeset details {
  font-size: 0.875rem !important;
  line-height: 1.65;
  border-radius: 8px;
  border-width: 1px;
  border-left-width: 4px;
  margin: 1.5rem 0;
  padding: 0 1.1rem 0.8rem;
  box-shadow: none;
}

.md-typeset .admonition-title,
.md-typeset summary {
  font-size: 0.9rem !important;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 0.6rem 0.9rem 0.6rem 2.4rem !important;
  margin: 0 -1.1rem 0.75rem !important;
  border-top-left-radius: 7px;
  border-top-right-radius: 7px;
}

.md-typeset .admonition-title:before,
.md-typeset summary:before {
  top: 0.65rem !important;
  left: 0.85rem !important;
  width: 1.15rem !important;
  height: 1.15rem !important;
}

.md-typeset .admonition p,
.md-typeset details p {
  font-size: 0.875rem !important;
  line-height: 1.65;
  margin: 0.6rem 0;
}

.md-typeset .admonition ul,
.md-typeset .admonition ol {
  font-size: 0.875rem !important;
  line-height: 1.65;
  margin: 0.6rem 0;
  padding-left: 1.25rem;
}

.md-typeset .admonition li {
  margin: 0.35rem 0;
}

.md-typeset .admonition code,
.md-typeset details code {
  font-size: 0.825rem !important;
  padding: 0.15em 0.4em;
}

/* Math in admonitions: handled by the dedicated Math Equations section below. */

/* ==========================================================================
   Header Search & Tool Buttons
   ========================================================================== */

.md-search__input {
  background-color: var(--cds-surface-1) !important;
  border: 1px solid var(--cds-border-subtle) !important;
  border-radius: 8px !important;
  color: var(--cds-text-primary) !important;
  font-size: 0.85rem !important;
  transition: all 0.2s ease;
}

.md-search__input:focus {
  border-color: var(--cds-clay) !important;
  box-shadow: 0 0 0 1px var(--cds-clay-border);
}

/* Dynamic responsive search bar that expands smoothly on focus */
@media screen and (min-width: 60em) {
  .md-search {
    width: 14rem;
  }
  .md-search:focus-within {
    width: 19rem;
    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  }
}

/* ==========================================================================
   Header Stepper: [ −  100%  + ] Segmented Pill Control
   ========================================================================== */

.cds-stepper {
  display: inline-flex;
  align-items: center;
  background-color: var(--cds-surface-2);
  border: 1px solid var(--cds-border);
  border-radius: 9999px;
  padding: 1px 3px;
  margin-right: 8px;
  height: 30px;
  box-sizing: border-box;
}

.cds-stepper-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  min-width: 26px;
  min-height: 26px;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--cds-text-secondary);
  cursor: pointer;
  padding: 0;
  transition: all 0.15s ease;
}

.cds-stepper-btn:hover:not(:disabled) {
  background-color: var(--cds-surface-3);
  color: var(--cds-text-primary);
}

.cds-stepper-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.cds-stepper-label {
  background: transparent;
  border: none;
  padding: 0 8px;
  height: 26px;
  min-height: 26px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--md-code-font);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cds-text-primary);
  border-radius: 4px;
  transition: all 0.15s ease;
}

.cds-stepper-label:hover {
  color: var(--cds-clay);
}

/* ==========================================================================
   Math Equations: KaTeX, compact and proportional to body text
   Body is 0.8rem; KaTeX defaults (1.21em glyphs + 1em display margins)
   blow up both size and rhythm, so neutralize them here. em units inherit
   the font-stepper scale (--cds-content-scale) via .md-typeset.
   NOTE: katex.min.css loads AFTER this file (see mkdocs.yml extra_css),
   so inner overrides are triple-scoped to win on specificity.
   ========================================================================== */

/* Block display equations (\[ ... \], $$ ... $$) */
.md-typeset div.arithmatex {
  font-size: 1.12em;
  line-height: 1.4;
  margin: 0.55em 0;
  padding: 0;
  text-align: center;
  overflow-x: auto;
  overflow-y: hidden;
}

/* Neutralize KaTeX's oversized inner defaults */
.md-typeset div.arithmatex .katex-display {
  margin: 0.2em 0;
  padding: 0;
}

.md-typeset div.arithmatex .katex {
  font-size: 1em;
  line-height: 1.35;
  white-space: nowrap;
}

/* Inline equations (\( ... \), $ ... $): match body, don't swell the line box */
.md-typeset span.arithmatex {
  font-size: 1em;
  line-height: 1;
}

.md-typeset span.arithmatex .katex {
  font-size: 1em;
  line-height: 1.2;
  padding: 0 0.04em;
  vertical-align: baseline;
}

/* Tighten the "…:" → equation → "where…" rhythm and equation stacks */
.md-typeset p:has(+ div.arithmatex) {
  margin-bottom: 0.4em;
}

.md-typeset div.arithmatex + p {
  margin-top: 0.4em;
}

.md-typeset div.arithmatex + div.arithmatex {
  margin-top: -0.1em;
}

/* In admonitions & callouts: same compact treatment */
.md-typeset .admonition div.arithmatex,
.md-typeset details div.arithmatex {
  font-size: 1.08em;
  margin: 0.45em 0;
}

.md-typeset .admonition span.arithmatex,
.md-typeset details span.arithmatex {
  font-size: 1em;
}

/* ==========================================================================
   Footer: Completely remove "Made with Material for MkDocs"
   ========================================================================== */

.md-footer,
.md-footer-meta,
.md-copyright {
  display: none !important;
}

/* ==========================================================================
   Fluid Responsive Layout: Window-Filling Anthropic Canvas
   ========================================================================== */

/* Expand main container grid from cramped 61rem (976px) to modern fluid canvas */
.md-grid {
  max-width: min(96vw, 1840px) !important;
  width: 96vw !important;
  margin-left: auto;
  margin-right: auto;
}

/* Header container: edge-to-edge balance with safe padding */
.md-header__inner.md-grid {
  max-width: min(96vw, 1840px) !important;
  width: 96vw !important;
  padding: 0 0.75rem;
}

/* ==========================================================================
   Panel Toggles: Collapsible Navigation and TOC Sidebars
   ========================================================================== */

.cds-panel-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  min-width: 30px;
  min-height: 30px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--cds-text-secondary);
  cursor: pointer;
  padding: 0;
  transition: all 0.15s ease;
  margin: 0 4px;
  box-sizing: border-box;
  vertical-align: middle;
}

.cds-panel-toggle:hover {
  background-color: var(--cds-surface-2);
  color: var(--cds-text-primary);
  border-color: var(--cds-border-subtle);
}

.cds-panel-toggle:active {
  transform: scale(0.95);
}

/* Highlighted state when a sidebar is collapsed */
.cds-panel-toggle.is-collapsed {
  color: var(--cds-clay);
  background-color: var(--cds-clay-subtle);
  border-color: var(--cds-clay-border);
}

.cds-panel-toggle svg {
  stroke-width: 2;
  transition: stroke 0.15s ease, transform 0.2s ease;
}

.cds-panel-toggle.is-collapsed svg {
  stroke: var(--cds-clay);
}

/* Tablet and desktop viewports (>= 60em / 960px): Navigation sidebar collapse */
@media screen and (min-width: 60em) {
  /* Left navigation sidebar: generous width for scientific module trees */
  .md-sidebar--primary {
    width: 17rem !important;
  }
  .md-sidebar--primary .md-sidebar__inner {
    width: 100% !important;
    padding-right: 0.75rem !important;
    padding-left: 0.25rem !important;
  }

  /* Left sidebar collapsed state: zero width & flex shrink to zero */
  [data-sidebar-primary="collapsed"] .md-sidebar--primary {
    flex: 0 0 0px !important;
    width: 0 !important;
    min-width: 0 !important;
    max-width: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
    padding: 0 !important;
    margin: 0 !important;
    border-right: none !important;
    visibility: hidden !important;
    overflow: hidden !important;
  }

  [data-sidebar-primary="collapsed"] .md-sidebar--primary .md-sidebar__scrollwrap {
    display: none !important;
    width: 0 !important;
    min-width: 0 !important;
  }

  /* Main content area: dynamically fills all remaining width */
  .md-content {
    flex: 1 1 auto !important;
    min-width: 0 !important;
  }

  .md-content__inner {
    margin: 0 2rem 2rem !important;
    padding-top: 0.8rem !important;
    max-width: 100% !important;
  }
}

/* Desktop viewports (>= 76.25em / 1220px): Table of Contents sidebar */
@media screen and (min-width: 76.25em) {
  /* Right table-of-contents sidebar */
  .md-sidebar--secondary {
    width: 15.5rem !important;
  }
  .md-sidebar--secondary .md-sidebar__inner {
    width: 100% !important;
    padding-left: 0.75rem !important;
    padding-right: 0.25rem !important;
  }

  /* Right sidebar collapsed state: zero width & flex shrink to zero */
  [data-sidebar-secondary="collapsed"] .md-sidebar--secondary {
    flex: 0 0 0px !important;
    width: 0 !important;
    min-width: 0 !important;
    max-width: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
    padding: 0 !important;
    margin: 0 !important;
    border-left: none !important;
    visibility: hidden !important;
    overflow: hidden !important;
  }

  [data-sidebar-secondary="collapsed"] .md-sidebar--secondary .md-sidebar__scrollwrap {
    display: none !important;
    width: 0 !important;
    min-width: 0 !important;
  }
}

/* Smooth toggle transitions ONLY when user interacts (prevents initial page load CLS) */
body.sidebar-transitioning .md-sidebar--primary,
body.sidebar-transitioning .md-sidebar--secondary,
body.sidebar-transitioning .md-content {
  transition: width 0.22s cubic-bezier(0.4, 0, 0.2, 1), flex 0.22s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.18s ease !important;
}

/* Responsive Table & Code Block Expansion */
.md-typeset__table {
  display: block !important;
  width: 100% !important;
  overflow-x: auto;
}

html .md-typeset__table table {
  display: table !important;
  width: 100% !important;
  min-width: 100%;
}

/* Dynamic Grid Cards: adapt intelligently from 1, 2, to 4 columns */
.md-typeset .grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)) !important;
  grid-gap: 1rem !important;
  width: 100% !important;
}

/* Fluid prose: naturally fills content area with comfortable proportional line height */
.md-typeset p,
.md-typeset li {
  line-height: 1.7;
}

/* Allow full width for cards, tables, code, and admonitions */
.md-typeset .grid.cards p,
.md-typeset .admonition p,
.md-typeset td p,
.md-typeset th p {
  max-width: 100%;
}


/* ==========================================================================
   Interactive Mermaid Schematics: Pan, Zoom, Lightbox
   ========================================================================== */

.mermaid-card {
  position: relative;
  margin: 1.75rem 0;
  background: var(--cds-surface, #14161d);
  border: 1px solid var(--cds-border, rgba(255, 255, 255, 0.08));
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

[data-md-color-scheme="default"] .mermaid-card {
  background: #fbfbfb;
  border-color: #e5e7eb;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.mermaid-card:hover {
  border-color: rgba(217, 119, 87, 0.35);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Floating Toolbar */
.mermaid-toolbar {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  background: rgba(20, 24, 33, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  opacity: 0.8;
  transition: opacity 0.18s ease, transform 0.18s ease, background-color 0.18s ease;
  user-select: none;
}

[data-md-color-scheme="default"] .mermaid-toolbar {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.mermaid-card:hover .mermaid-toolbar {
  opacity: 1;
}

.mermaid-card-btn-group {
  display: flex;
  align-items: center;
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
}

[data-md-color-scheme="default"] .mermaid-card-btn-group {
  background: rgba(0, 0, 0, 0.05);
}

.mermaid-tb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--cds-text-secondary, #94a3b8);
  padding: 4px 6px;
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
  line-height: 1;
  border-radius: 4px;
  transition: all 0.15s ease;
}

.mermaid-tb-btn:hover {
  color: var(--cds-clay, #d97757);
  background: rgba(255, 255, 255, 0.1);
}

[data-md-color-scheme="default"] .mermaid-tb-btn {
  color: #4b5563;
}

[data-md-color-scheme="default"] .mermaid-tb-btn:hover {
  color: var(--cds-clay, #d97757);
  background: rgba(0, 0, 0, 0.06);
}

.btn-card-zoom-val {
  font-family: var(--md-code-font-family, ui-monospace, monospace);
  font-size: 10.5px;
  font-weight: 600;
  min-width: 32px;
  padding: 4px 6px;
  text-align: center;
}

.btn-card-fit {
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
}

.btn-card-fullscreen {
  color: var(--cds-clay, #d97757);
  padding: 4px 6px;
}

.btn-card-fullscreen:hover {
  background: rgba(217, 119, 87, 0.15) !important;
}

/* Scroll Container */
.mermaid-scroll-wrap {
  position: relative;
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 1.25rem 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--cds-border, rgba(255, 255, 255, 0.15)) transparent;
}

.mermaid-scroll-wrap::-webkit-scrollbar {
  height: 6px;
}

.mermaid-scroll-wrap::-webkit-scrollbar-thumb {
  background: var(--cds-border, rgba(255, 255, 255, 0.15));
  border-radius: 3px;
}

.mermaid-scroll-wrap.is-grabbing {
  cursor: grabbing !important;
  user-select: none;
}

.mermaid-card.is-zoomed .mermaid-scroll-wrap {
  cursor: grab;
}

/* Base .mermaid element reset */
.mermaid-card:not(.is-zoomed) .mermaid {
  width: 100% !important;
}

.mermaid-card.is-zoomed .mermaid {
  width: max-content !important;
}

.mermaid {
  margin: 0 !important;
  padding: 0 !important;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 100%;
}

/* ==========================================================================
   Mermaid Fullscreen Lightbox Modal
   ========================================================================== */

.mermaid-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  background: rgba(11, 14, 20, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: #e6edf3;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.mermaid-modal.is-open {
  opacity: 1;
  visibility: visible;
}

html.mermaid-modal-active {
  overflow: hidden !important;
}

.mermaid-modal-header {
  height: 52px;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(18, 22, 30, 0.75);
  user-select: none;
  z-index: 20;
}

.mermaid-modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.mermaid-modal-title {
  font-size: 14px;
  font-weight: 600;
  color: #f0f6fc;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 420px;
}

.mermaid-modal-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--cds-clay, #d97757);
  background: rgba(217, 119, 87, 0.12);
  border: 1px solid rgba(217, 119, 87, 0.25);
  border-radius: 12px;
  padding: 1px 8px;
  white-space: nowrap;
}

.mermaid-modal-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mermaid-modal-btn-group {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  overflow: hidden;
}

.mermaid-modal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #c9d1d9;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1;
}

.mermaid-modal-btn-group .mermaid-modal-btn {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 5px 8px;
}

.mermaid-modal-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.mermaid-modal-btn.btn-zoom-val {
  font-family: var(--md-code-font-family, ui-monospace, monospace);
  font-size: 11.5px;
  font-weight: 600;
  min-width: 46px;
  text-align: center;
}

.mermaid-modal-hint {
  font-size: 11.5px;
  color: #8b949e;
  margin: 0 8px;
}

@media (max-width: 900px) {
  .mermaid-modal-hint {
    display: none;
  }
}

.mermaid-modal-btn.btn-close {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
  color: #f0f6fc;
  padding: 5px 8px;
}

.mermaid-modal-btn.btn-close:hover {
  background: rgba(248, 81, 73, 0.2);
  border-color: rgba(248, 81, 73, 0.4);
  color: #ff7b72;
}

/* Modal Viewport & Stage */
.mermaid-modal-viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.mermaid-modal-viewport.is-dragging {
  cursor: grabbing !important;
}

.mermaid-modal-stage {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.mermaid-modal-stage svg {
  display: block;
  width: 100%;
  height: 100%;
}