/* ============================================================
   Blueprint for an AI-First Company - MkDocs Material Theme
   ============================================================
   Custom CSS mapping the blueprint design tokens to Material's
   CSS custom properties. Covers both dark (slate) and light
   (default) color schemes.
   ============================================================ */

/* ------------------------------------------------------------
   Design Tokens
   ------------------------------------------------------------ */
:root {
  /* Blueprint palette (dark defaults) */
  --bp-canvas: #0a0f1e;
  --bp-canvas-raised: #0f1529;
  --bp-canvas-surface: #141b33;
  --bp-grid: rgba(56, 189, 248, 0.04);
  --bp-grid-accent: rgba(56, 189, 248, 0.08);
  --bp-line: rgba(56, 189, 248, 0.12);
  --bp-line-strong: rgba(56, 189, 248, 0.25);
  --bp-cyan: #38bdf8;
  --bp-cyan-dim: rgba(56, 189, 248, 0.6);
  --bp-cyan-glow: rgba(56, 189, 248, 0.15);
  --bp-white: #f0f4ff;
  --bp-white-dim: rgba(240, 244, 255, 0.7);
  --bp-white-muted: rgba(240, 244, 255, 0.45);
  --bp-accent: #818cf8;
  --bp-accent-warm: #f59e0b;

  /* Typography stacks */
  --bp-serif: 'Instrument Serif', Georgia, serif;
  --bp-sans: 'Manrope', system-ui, sans-serif;
  --bp-mono: 'DM Mono', 'SF Mono', monospace;

  /* Animation */
  --bp-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}


/* ------------------------------------------------------------
   Dark Mode (slate scheme)
   ------------------------------------------------------------ */
[data-md-color-scheme="slate"] {
  /* Material core overrides */
  --md-default-bg-color: #0a0f1e;
  --md-default-fg-color: #f0f4ff;
  --md-default-fg-color--light: rgba(240, 244, 255, 0.7);
  --md-default-fg-color--lighter: rgba(240, 244, 255, 0.45);
  --md-default-fg-color--lightest: rgba(240, 244, 255, 0.2);

  --md-primary-fg-color: #38bdf8;
  --md-primary-fg-color--light: rgba(56, 189, 248, 0.6);
  --md-primary-fg-color--dark: #2196c4;
  --md-primary-bg-color: #0a0f1e;
  --md-primary-bg-color--light: #0f1529;

  --md-accent-fg-color: #818cf8;
  --md-accent-fg-color--transparent: rgba(129, 140, 248, 0.1);
  --md-accent-bg-color: #0a0f1e;

  /* Typography colors */
  --md-typeset-color: #f0f4ff;
  --md-typeset-a-color: #38bdf8;

  /* Code */
  --md-code-bg-color: #0f1529;
  --md-code-fg-color: #f0f4ff;
  --md-code-hl-color: rgba(56, 189, 248, 0.15);

  /* Footer */
  --md-footer-bg-color: #0a0f1e;
  --md-footer-bg-color--dark: #070b15;
  --md-footer-fg-color: rgba(240, 244, 255, 0.7);
  --md-footer-fg-color--light: rgba(240, 244, 255, 0.45);
  --md-footer-fg-color--lighter: rgba(240, 244, 255, 0.3);

  /* Blueprint tokens mapped */
  --bp-canvas: #0a0f1e;
  --bp-canvas-raised: #0f1529;
  --bp-canvas-surface: #141b33;
  --bp-grid: rgba(56, 189, 248, 0.04);
  --bp-grid-accent: rgba(56, 189, 248, 0.08);
  --bp-line: rgba(56, 189, 248, 0.12);
  --bp-line-strong: rgba(56, 189, 248, 0.25);
  --bp-cyan: #38bdf8;
  --bp-cyan-dim: rgba(56, 189, 248, 0.6);
  --bp-cyan-glow: rgba(56, 189, 248, 0.15);
  --bp-white: #f0f4ff;
  --bp-white-dim: rgba(240, 244, 255, 0.7);
  --bp-white-muted: rgba(240, 244, 255, 0.45);
  --bp-accent: #818cf8;
  --bp-accent-warm: #f59e0b;
}


/* ------------------------------------------------------------
   Light Mode (default scheme)
   ------------------------------------------------------------ */
[data-md-color-scheme="default"] {
  /* Material core overrides */
  --md-default-bg-color: #f5f3ef;
  --md-default-fg-color: #0f1529;
  --md-default-fg-color--light: rgba(15, 21, 41, 0.7);
  --md-default-fg-color--lighter: rgba(15, 21, 41, 0.45);
  --md-default-fg-color--lightest: rgba(15, 21, 41, 0.2);

  --md-primary-fg-color: #1d6fa5;
  --md-primary-fg-color--light: rgba(29, 111, 165, 0.6);
  --md-primary-fg-color--dark: #175a86;
  --md-primary-bg-color: #f5f3ef;
  --md-primary-bg-color--light: #edeae4;

  --md-accent-fg-color: #5b5fc7;
  --md-accent-fg-color--transparent: rgba(91, 95, 199, 0.1);
  --md-accent-bg-color: #f5f3ef;

  /* Typography colors */
  --md-typeset-color: #0f1529;
  --md-typeset-a-color: #1d6fa5;

  /* Code */
  --md-code-bg-color: #edeae4;
  --md-code-fg-color: #0f1529;
  --md-code-hl-color: rgba(29, 111, 165, 0.1);

  /* Footer */
  --md-footer-bg-color: #edeae4;
  --md-footer-bg-color--dark: #e5e2dc;
  --md-footer-fg-color: rgba(15, 21, 41, 0.7);
  --md-footer-fg-color--light: rgba(15, 21, 41, 0.45);
  --md-footer-fg-color--lighter: rgba(15, 21, 41, 0.3);

  /* Blueprint tokens mapped */
  --bp-canvas: #f5f3ef;
  --bp-canvas-raised: #edeae4;
  --bp-canvas-surface: #e5e2dc;
  --bp-grid: rgba(15, 21, 41, 0.06);
  --bp-grid-accent: rgba(15, 21, 41, 0.10);
  --bp-line: rgba(15, 21, 41, 0.1);
  --bp-line-strong: rgba(15, 21, 41, 0.2);
  --bp-cyan: #1d6fa5;
  --bp-cyan-dim: rgba(29, 111, 165, 0.6);
  --bp-cyan-glow: rgba(29, 111, 165, 0.08);
  --bp-white: #0f1529;
  --bp-white-dim: rgba(15, 21, 41, 0.7);
  --bp-white-muted: rgba(15, 21, 41, 0.45);
  --bp-accent: #5b5fc7;
  --bp-accent-warm: #c77d0a;
}


/* ------------------------------------------------------------
   Typography
   ------------------------------------------------------------ */

/* Body text - Manrope */
:root {
  --md-text-font: "Manrope";
  --md-code-font: "DM Mono";
}

body,
.md-typeset {
  font-family: var(--bp-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Headings - Instrument Serif */
.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
  font-family: var(--bp-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.md-typeset h1 {
  font-size: 2.4rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.md-typeset h2 {
  font-size: 1.8rem;
  line-height: 1.2;
}

/* Code - DM Mono */
.md-typeset code,
.md-typeset pre,
.md-typeset kbd {
  font-family: var(--bp-mono);
}


/* ------------------------------------------------------------
   Blueprint Grid Background
   ------------------------------------------------------------ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    linear-gradient(var(--bp-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bp-grid) 1px, transparent 1px),
    linear-gradient(var(--bp-grid-accent) 1px, transparent 1px),
    linear-gradient(90deg, var(--bp-grid-accent) 1px, transparent 1px);
  background-size:
    20px 20px,
    20px 20px,
    100px 100px,
    100px 100px;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}

/* Light mode: subtle grid for clean reading */
body[data-md-color-scheme="default"]::before {
  opacity: 0.15;
}

/* Ensure all content layers above the grid */
.md-header,
.md-container,
.md-footer,
.md-dialog,
.md-top,
.md-search {
  position: relative;
  z-index: 1;
}


/* ------------------------------------------------------------
   Header
   ------------------------------------------------------------ */
.md-header {
  background: color-mix(in srgb, var(--bp-canvas) 85%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bp-line);
  box-shadow: none;
}

.md-header[data-md-state="shadow"] {
  box-shadow: none;
  border-bottom: 1px solid var(--bp-line-strong);
}

/* Dark mode: bump opacity + fix text/icon visibility.
   Material uses --md-primary-bg-color as text color inside
   header/tabs. We override it in scope so all children
   (icons, tabs, buttons, source link) inherit correctly. */
[data-md-color-scheme="slate"] .md-header {
  background: color-mix(in srgb, var(--bp-canvas) 92%, transparent);
  --md-primary-bg-color: var(--bp-white);
  color: var(--bp-white);
}

[data-md-color-scheme="slate"] .md-tabs {
  background: color-mix(in srgb, var(--bp-canvas) 92%, transparent);
  --md-primary-bg-color: var(--bp-white);
  color: var(--bp-white);
}

[data-md-color-scheme="slate"] .md-tabs__link {
  color: var(--bp-white-dim) !important;
  opacity: 0.7;
}

/* Header title */
.md-header__title {
  font-family: var(--bp-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Header topic (project name) */
.md-header__topic:first-child {
  font-family: var(--bp-mono);
  letter-spacing: 0.08em;
  color: var(--bp-cyan);
}

/* Tabs */
.md-tabs {
  background: color-mix(in srgb, var(--bp-canvas) 90%, transparent);
  border-bottom: 1px solid var(--bp-line);
}

.md-tabs__link {
  font-family: var(--bp-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.6;
  transition: opacity 0.3s, color 0.3s;
}

.md-tabs__link:hover,
.md-tabs__link--active {
  opacity: 1;
  color: var(--bp-cyan);
}

/* Light mode: white backgrounds with shadow elevation */
[data-md-color-scheme="default"] .md-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--bp-line-strong);
  box-shadow: 0 1px 3px rgba(15, 21, 41, 0.06);
  --md-primary-bg-color: var(--bp-white);
  color: var(--bp-white);
}

[data-md-color-scheme="default"] .md-header[data-md-state="shadow"] {
  box-shadow: 0 2px 8px rgba(15, 21, 41, 0.08);
}

[data-md-color-scheme="default"] .md-tabs {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--bp-line-strong);
  --md-primary-bg-color: var(--bp-white);
  color: var(--bp-white);
}

[data-md-color-scheme="default"] .md-tabs__link {
  opacity: 1;
  color: var(--bp-white-dim);
}

[data-md-color-scheme="default"] .md-tabs__link:hover,
[data-md-color-scheme="default"] .md-tabs__link--active {
  color: var(--bp-cyan);
}

[data-md-color-scheme="default"] .md-search__form {
  background-color: var(--bp-canvas) !important;
  border: 1px solid var(--bp-line-strong) !important;
  border-radius: 4px !important;
}


/* ------------------------------------------------------------
   Sidebar Navigation
   ------------------------------------------------------------ */
.md-sidebar {
  background: transparent;
}

.md-nav__title {
  font-family: var(--bp-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bp-cyan);
}

.md-nav__link {
  font-family: var(--bp-sans);
  font-size: 0.82rem;
  color: var(--bp-white-dim);
  transition: color 0.2s;
}

.md-nav__link:hover {
  color: var(--bp-cyan);
}

.md-nav__link--active {
  color: var(--bp-cyan);
  font-weight: 600;
}

/* Sidebar item border accent */
.md-nav__item--active > .md-nav__link {
  border-left: 2px solid var(--bp-cyan);
  padding-left: 0.6rem;
}

/* Nested nav sections */
.md-nav--secondary .md-nav__title {
  font-size: 0.65rem;
  color: var(--bp-white-muted);
}


/* ------------------------------------------------------------
   Content Area
   ------------------------------------------------------------ */
.md-content {
  background: transparent;
}

/* Links */
.md-typeset a {
  color: var(--bp-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

.md-typeset a:hover {
  border-bottom-color: var(--bp-cyan);
}

/* Horizontal rules */
.md-typeset hr {
  border-color: var(--bp-line);
}

/* Tables */
.md-typeset table:not([class]) {
  border: 1px solid var(--bp-line);
  font-size: 0.85rem;
}

.md-typeset table:not([class]) th {
  background: var(--bp-canvas-raised);
  font-family: var(--bp-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bp-cyan);
  border-bottom: 1px solid var(--bp-line-strong);
}

.md-typeset table:not([class]) td {
  border-bottom: 1px solid var(--bp-line);
}

.md-typeset table:not([class]) tr:hover td {
  background: var(--bp-canvas-raised);
}


/* ------------------------------------------------------------
   Code Blocks
   ------------------------------------------------------------ */
.md-typeset pre {
  border: 1px solid var(--bp-line);
  border-radius: 6px;
  background: var(--bp-canvas-raised);
}

.md-typeset pre > code {
  font-family: var(--bp-mono);
  font-size: 0.82rem;
  line-height: 1.6;
}

/* Inline code */
.md-typeset code:not(pre code) {
  font-family: var(--bp-mono);
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  background: var(--bp-canvas-raised);
  border: 1px solid var(--bp-line);
  color: var(--bp-cyan);
}

/* Code copy button */
.md-clipboard {
  color: var(--bp-white-muted);
}

.md-clipboard:hover {
  color: var(--bp-cyan);
}

/* Code annotations */
.md-typeset .md-annotation__index {
  background: var(--bp-cyan);
  color: var(--bp-canvas);
}


/* ------------------------------------------------------------
   Admonitions
   ------------------------------------------------------------ */
.md-typeset .admonition,
.md-typeset details {
  border: 1px solid var(--bp-line);
  border-left: 4px solid var(--bp-cyan);
  border-radius: 6px;
  background: var(--bp-canvas-raised);
  box-shadow: none;
}

.md-typeset .admonition-title,
.md-typeset details > summary {
  background: var(--bp-canvas-surface);
  border-bottom: 1px solid var(--bp-line);
  font-family: var(--bp-sans);
  font-weight: 600;
}

/* Info / Note admonitions */
.md-typeset .admonition.note,
.md-typeset .admonition.info {
  border-left-color: var(--bp-cyan);
}

/* Warning admonitions */
.md-typeset .admonition.warning,
.md-typeset .admonition.caution {
  border-left-color: var(--bp-accent-warm);
}

/* Tip admonitions */
.md-typeset .admonition.tip,
.md-typeset .admonition.hint {
  border-left-color: var(--bp-accent);
}

/* Example admonitions */
.md-typeset .admonition.example {
  border-left-color: var(--bp-accent);
}


/* ------------------------------------------------------------
   Search
   ------------------------------------------------------------ */

/* Ensure search sits above everything */
.md-search {
  z-index: 10;
}

/* Full-page backdrop overlay when search is open */
.md-search__overlay {
  background: rgba(0, 0, 0, 0.54);
  opacity: 0;
  transition: opacity 0.25s;
}

[data-md-toggle="search"]:checked ~ .md-header .md-search__overlay {
  opacity: 1;
}

/* Search form container */
.md-search__form {
  background-color: var(--bp-canvas-raised) !important;
  transition: none !important;
}

.md-search__input {
  font-family: var(--bp-sans);
  color: var(--bp-white);
  transition: none !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.md-search__input::placeholder {
  color: var(--bp-white-muted);
}

/* Hide autocomplete suggestion hint */
.md-search__suggest {
  display: none !important;
}

/* Search inner - no shadow in default state; shadow only when results show */
.md-search__inner {
  box-shadow: none;
}

[data-md-toggle="search"]:checked ~ .md-header .md-search__inner {
  background: var(--bp-canvas);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Search output / results container */
.md-search__output {
  background: var(--bp-canvas);
  border-top: 1px solid var(--bp-line);
}

.md-search__scrollwrap {
  background: var(--bp-canvas);
}

/* Search results */
.md-search-result {
  background: var(--bp-canvas);
}

.md-search-result__meta {
  background: var(--bp-canvas-raised);
  font-family: var(--bp-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--bp-white-muted);
}

.md-search-result__item {
  border-bottom: 1px solid var(--bp-line);
}

.md-search-result__link {
  background: var(--bp-canvas);
}

.md-search-result__link:hover {
  background: var(--bp-canvas-raised);
}

.md-search-result__article h1 {
  font-family: var(--bp-serif);
  color: var(--bp-white);
}

.md-search-result__teaser {
  color: var(--bp-white-dim);
}

.md-search-result mark {
  background: var(--bp-cyan-glow);
  color: var(--bp-cyan);
}

/* Search result list */
.md-search-result__list {
  background: var(--bp-canvas);
}

/* Light mode: white search backgrounds */
[data-md-color-scheme="default"] [data-md-toggle="search"]:checked ~ .md-header .md-search__inner {
  background: #ffffff;
}

[data-md-color-scheme="default"] .md-search__output {
  background: #ffffff;
}

[data-md-color-scheme="default"] .md-search__scrollwrap {
  background: #ffffff;
}

[data-md-color-scheme="default"] .md-search-result {
  background: #ffffff;
}

[data-md-color-scheme="default"] .md-search-result__link {
  background: #ffffff;
}

[data-md-color-scheme="default"] .md-search-result__link:hover {
  background: var(--bp-canvas);
}

[data-md-color-scheme="default"] .md-search-result__meta {
  background: var(--bp-canvas);
}


/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.md-footer {
  background: var(--bp-canvas);
  border-top: 1px solid var(--bp-line);
}

.md-footer-meta {
  background: var(--bp-canvas);
}

/* Light mode: footer contrast */
[data-md-color-scheme="default"] .md-footer {
  background: rgba(255, 255, 255, 0.8);
  border-top: 1px solid var(--bp-line-strong);
}

[data-md-color-scheme="default"] .md-footer-meta {
  background: transparent;
}

.md-footer-nav__link {
  font-family: var(--bp-mono);
  font-size: 0.8rem;
  transition: color 0.3s;
}

.md-footer-nav__link:hover {
  color: var(--bp-cyan);
}

.md-footer-nav__direction {
  font-family: var(--bp-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bp-white-muted);
}

.md-footer__link {
  transition: opacity 0.3s;
}

.md-footer__link:hover {
  opacity: 1;
}

/* Copyright */
.md-copyright {
  font-family: var(--bp-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--bp-white-muted);
}


/* ------------------------------------------------------------
   Table of Contents (right sidebar)
   ------------------------------------------------------------ */
.md-sidebar--secondary .md-nav__link {
  font-size: 0.78rem;
  color: var(--bp-white-muted);
}

.md-sidebar--secondary .md-nav__link:hover {
  color: var(--bp-cyan);
}

.md-sidebar--secondary .md-nav__link--active {
  color: var(--bp-cyan);
}


/* ------------------------------------------------------------
   Scroll-to-top Button
   ------------------------------------------------------------ */
.md-top {
  background: var(--bp-canvas-raised);
  border: 1px solid var(--bp-line);
  color: var(--bp-cyan);
  font-family: var(--bp-mono);
  font-size: 0.7rem;
}

.md-top:hover {
  background: var(--bp-canvas-surface);
  border-color: var(--bp-cyan);
}


/* ------------------------------------------------------------
   Palette Toggle
   ------------------------------------------------------------ */
[data-md-component="palette"] button {
  transition: color 0.3s;
}


/* ------------------------------------------------------------
   Tabbed Content (pymdownx.tabbed)
   ------------------------------------------------------------ */
.md-typeset .tabbed-labels > label {
  font-family: var(--bp-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--bp-white-muted);
}

.md-typeset .tabbed-labels > label:hover {
  color: var(--bp-cyan);
}

.md-typeset .tabbed-labels > .tabbed-labels__active,
.md-typeset .tabbed-labels > label.tabbed-labels__active {
  color: var(--bp-cyan);
}

.md-typeset .tabbed-set .tabbed-content {
  border: 1px solid var(--bp-line);
  border-top: none;
  border-radius: 0 0 6px 6px;
}


/* ------------------------------------------------------------
   Task Lists (pymdownx.tasklist)
   ------------------------------------------------------------ */
.md-typeset .task-list-indicator::before {
  border-color: var(--bp-line-strong);
}

.md-typeset [type="checkbox"]:checked + .task-list-indicator::before {
  background: var(--bp-cyan);
  border-color: var(--bp-cyan);
}


/* ------------------------------------------------------------
   Footnotes
   ------------------------------------------------------------ */
.md-typeset .footnote-ref {
  color: var(--bp-cyan);
  font-family: var(--bp-mono);
  font-size: 0.75em;
}

.md-typeset .footnote {
  font-size: 0.85rem;
  color: var(--bp-white-dim);
}

.md-typeset .footnote ol {
  border-top: 1px solid var(--bp-line);
  padding-top: 1rem;
}


/* ------------------------------------------------------------
   Yirifi Anchor – "From the Trenches" callout
   ------------------------------------------------------------ */
.yirifi-anchor {
  position: relative;
  margin: 2rem 0;
  padding: 1.5rem 1.5rem 1.5rem 1.75rem;
  background: var(--bp-canvas-raised);
  border: 1px solid var(--bp-line);
  border-left: 4px solid var(--bp-accent-warm);
  border-radius: 6px;
}

.yirifi-anchor::before {
  content: 'Yirifi Anchor — From the Trenches';
  display: block;
  font-family: var(--bp-mono);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bp-accent-warm);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--bp-line);
}

.yirifi-anchor blockquote {
  border-left-color: var(--bp-accent-warm);
  background: transparent;
  font-family: var(--bp-serif);
  font-style: italic;
  font-size: 1.05em;
}

.yirifi-anchor > :last-child {
  margin-bottom: 0;
}

/* Light mode */
[data-md-color-scheme="default"] .yirifi-anchor {
  background: rgba(245, 158, 11, 0.04);
  border-color: rgba(15, 21, 41, 0.1);
  border-left-color: var(--bp-accent-warm);
}

[data-md-color-scheme="default"] .yirifi-anchor::before {
  border-bottom-color: rgba(15, 21, 41, 0.1);
}


/* ------------------------------------------------------------
   Smooth Transitions
   ------------------------------------------------------------ */
body,
.md-header,
.md-tabs,
.md-sidebar,
.md-content,
.md-footer {
  transition:
    background 0.4s var(--bp-ease-out),
    color 0.4s var(--bp-ease-out),
    border-color 0.4s var(--bp-ease-out);
}


/* ------------------------------------------------------------
   Mermaid Diagram Theming
   ------------------------------------------------------------ */

/* Container: give diagrams a raised card treatment.
   Mermaid.js replaces <pre class="mermaid"> with <div class="mermaid">
   at runtime, so we target both. */
.md-typeset pre.mermaid,
.md-typeset > div.mermaid,
.md-typeset > .mermaid {
  background: var(--bp-canvas-raised);
  border: 1px solid var(--bp-line);
  border-radius: 6px;
  padding: 1.5rem 1rem;
  text-align: center;
  overflow-x: auto;
}

/* Default node text */
.mermaid .nodeLabel,
.mermaid .label {
  font-family: var(--bp-sans) !important;
  font-size: 0.85rem !important;
}

/* Edge (arrow) paths */
.mermaid .edgePath .path,
.mermaid .flowchart-link {
  stroke: var(--bp-line-strong) !important;
  stroke-width: 1.5px;
}

/* Arrowheads */
.mermaid marker path {
  fill: var(--bp-line-strong) !important;
}

/* Edge labels (text on arrows like "107x cheaper") */
.mermaid .edgeLabel {
  font-family: var(--bp-mono) !important;
  font-size: 0.72rem !important;
  background: var(--bp-canvas-raised) !important;
  color: var(--bp-white-dim) !important;
}

.mermaid .edgeLabel .label {
  color: var(--bp-white-dim) !important;
}

.mermaid .edgeLabel rect {
  fill: var(--bp-canvas-raised) !important;
  stroke: none !important;
  opacity: 0.9;
}

/* Subgraph containers */
.mermaid .cluster rect {
  fill: var(--bp-canvas-surface) !important;
  stroke: var(--bp-line) !important;
  stroke-width: 1px;
  rx: 6px;
  ry: 6px;
}

/* Subgraph titles */
.mermaid .cluster .nodeLabel,
.mermaid .cluster-label .nodeLabel {
  font-family: var(--bp-mono) !important;
  font-size: 0.7rem !important;
  letter-spacing: 0.06em;
  fill: var(--bp-cyan) !important;
  color: var(--bp-cyan) !important;
}

/* Default node fill (nodes without inline style overrides) */
.mermaid .node rect,
.mermaid .node circle,
.mermaid .node polygon {
  stroke: var(--bp-line-strong) !important;
  stroke-width: 1px;
}

/* Rounded stadium nodes (the ([...]) syntax) */
.mermaid .node .label-container {
  stroke: var(--bp-line-strong) !important;
}

/* Light mode overrides */
[data-md-color-scheme="default"] .md-typeset pre.mermaid,
[data-md-color-scheme="default"] .md-typeset > div.mermaid,
[data-md-color-scheme="default"] .md-typeset > .mermaid {
  background: rgba(15, 21, 41, 0.03);
  border-color: rgba(15, 21, 41, 0.1);
}

[data-md-color-scheme="default"] .mermaid .edgePath .path,
[data-md-color-scheme="default"] .mermaid .flowchart-link {
  stroke: rgba(15, 21, 41, 0.35) !important;
}

[data-md-color-scheme="default"] .mermaid marker path {
  fill: rgba(15, 21, 41, 0.35) !important;
}

[data-md-color-scheme="default"] .mermaid .edgeLabel {
  background: rgba(15, 21, 41, 0.03) !important;
  color: rgba(15, 21, 41, 0.6) !important;
}

[data-md-color-scheme="default"] .mermaid .edgeLabel .label {
  color: rgba(15, 21, 41, 0.6) !important;
}

[data-md-color-scheme="default"] .mermaid .edgeLabel rect {
  fill: rgba(15, 21, 41, 0.03) !important;
}

[data-md-color-scheme="default"] .mermaid .cluster rect {
  fill: rgba(15, 21, 41, 0.04) !important;
  stroke: rgba(15, 21, 41, 0.12) !important;
}

[data-md-color-scheme="default"] .mermaid .cluster .nodeLabel,
[data-md-color-scheme="default"] .mermaid .cluster-label .nodeLabel {
  color: var(--bp-cyan) !important;
}


/* ------------------------------------------------------------
   Blockquotes (standalone, outside yirifi-anchor)
   ------------------------------------------------------------ */
.md-typeset blockquote {
  border-left: 3px solid var(--bp-cyan-dim);
  background: transparent;
  margin: 1.5rem 0;
  padding: 0.75rem 1.25rem;
  font-family: var(--bp-serif);
  font-style: italic;
  font-size: 1.02em;
  line-height: 1.65;
  color: var(--bp-white-dim);
}

.md-typeset blockquote p {
  margin: 0;
}

.md-typeset blockquote p + p {
  margin-top: 0.75rem;
}

/* Light mode */
[data-md-color-scheme="default"] .md-typeset blockquote {
  border-left-color: var(--bp-cyan);
  color: rgba(15, 21, 41, 0.72);
}


/* ------------------------------------------------------------
   Horizontal Rules — Book-grade section dividers
   ------------------------------------------------------------ */
.md-typeset hr {
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--bp-line-strong) 20%,
    var(--bp-line-strong) 80%,
    transparent
  );
  margin: 2.5rem 0;
  opacity: 0.7;
}


/* ------------------------------------------------------------
   Yirifi Anchor — Semantic labels (insight / close)
   ------------------------------------------------------------ */

/* Style **Label:** bold text inside yirifi anchors as small-caps tags */
.yirifi-anchor > p > strong:first-child {
  font-family: var(--bp-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--bp-accent-warm);
}


/* ------------------------------------------------------------
   Chapter Navigation Footer
   Bottom breadcrumb: [Part Overview](...) | [Book Contents](...)
   ------------------------------------------------------------ */
.md-typeset hr + p:last-child a {
  font-family: var(--bp-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bp-white-muted);
  border-bottom: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}

.md-typeset hr + p:last-child a:hover {
  color: var(--bp-cyan);
  border-bottom-color: var(--bp-cyan);
}

.md-typeset hr + p:last-child {
  text-align: center;
  color: var(--bp-white-muted);
  font-family: var(--bp-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  margin-top: -0.5rem;
  padding-top: 1rem;
}