/* =====================================================
   Axion Documentation - Clean Modern Design System
   Flat, minimal aesthetic matching the AXIS app
   ===================================================== */

/* ==================== CSS Variables & Theme ==================== */
:root {
  /* Primary Deep Navy Palette */
  --md-primary: #1E3A5F;
  --md-primary-light: #2D5F8A;
  --md-primary-dark: #0F2440;
  --md-primary-soft: #6B9DC2;
  --md-primary-pale: #D1E3F0;

  /* Professional Text Colors */
  --md-text-primary: #2C3E50;
  --md-text-secondary: #34495E;
  --md-text-muted: #7F8C8D;
  --md-text-light: #FFFFFF;

  /* Background Colors */
  --md-bg-main: #FEFEFE;
  --md-bg-card: #ffffff;
  --md-bg-selection: rgba(30, 58, 95, 0.15);

  /* Material Theme Overrides - Light Mode */
  --md-primary-fg-color: #1E3A5F;
  --md-primary-fg-color--light: #2D5F8A;
  --md-primary-fg-color--dark: #0F2440;
  --md-accent-fg-color: #1E3A5F;
  --md-typeset-a-color: #0F2440;

  /* UI Elements */
  --md-border-color: rgba(44, 62, 80, 0.1);
  --md-border-light: rgba(44, 62, 80, 0.05);
  --md-border-accent: rgba(30, 58, 95, 0.2);

  /* Shadows - single subtle shadow */
  --md-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);

  /* Code Colors - Light Mode */
  --md-code-bg-color: #1e2428;
  --md-code-fg-color: #e8eaed;

  /* Typography */
  --md-font-main: "Anthropic Sans", system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --md-font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Fira Code', monospace;

  /* Sizing - flattened */
  --md-radius-sm: 4px;
  --md-radius-md: 8px;

  /* Transitions */
  --md-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --md-transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Mockup-aligned layout tokens */
  --axis-topnav-h: 56px;
  --axis-topnav-bg: #111827;
  --axis-sidebar-w: 280px;
  --axis-sidebar-bg: #f4f5f7;
  --axis-sidebar-border: #e5e7eb;
  --axis-sidebar-active-bg: rgba(91, 95, 199, 0.10);
  --axis-sidebar-active-color: #5B5FC7;
  --axis-toc-w: 12rem;
  --axis-content-max: 1000px;

  /* Sidebar Widths */
  --md-sidebar-width: var(--axis-sidebar-w);
}

/* ==================== Left Sidebar ==================== */
/* Full-height background column behind the sidebar */
@media screen and (min-width: 76.25em) {
  .md-main {
    position: relative;
  }
  .md-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--md-sidebar-width);
    background: var(--axis-sidebar-bg);
    border-right: 1px solid var(--axis-sidebar-border);
    z-index: 0;
  }
}

.md-sidebar--primary {
  background: var(--axis-sidebar-bg);
  border-right: 1px solid var(--axis-sidebar-border);
}
@media screen and (min-width: 76.25em) {
  .md-sidebar--primary {
    width: var(--md-sidebar-width);
  }
}

.md-sidebar--primary .md-sidebar__scrollwrap {
  padding: 1rem 0;
}

/* Override Material's inner padding that shrinks nav to 12.1rem */
.md-sidebar--primary .md-sidebar__inner {
  padding-right: 0 !important;
}

.md-sidebar--primary .md-nav--primary {
  padding: 0 12px;
  font-size: 13px;
  line-height: 1.5;
}
.md-sidebar--primary .md-nav--primary .md-nav {
  padding: 0;
}

.md-sidebar--primary .md-nav__item {
  padding: 0;
  margin: 1px 0;
}

.md-sidebar--primary .md-nav__link {
  padding: 8px 12px;
  margin: 0;
  font-size: 13.5px;
  font-weight: 500;
  color: #374151;
  letter-spacing: -0.005em;
  border-radius: 8px;
  transition: all 150ms ease;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

/* Ellipsis on the text span, not the flex parent */
.md-sidebar--primary .md-nav__link .md-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* Active item — left indigo accent bar */
.md-sidebar--primary .md-nav__link--active {
  background-color: rgba(91, 95, 199, 0.08);
  color: var(--axis-sidebar-active-color) !important;
  font-weight: 600;
  box-shadow: none;
  border-radius: 0 8px 8px 0;
  border-left: 3px solid var(--axis-sidebar-active-color);
  padding-left: 9px;
}

/* Sidebar nav icons — stroke-based */
.md-sidebar--primary .md-nav__link svg:first-child {
  width: 18px !important;
  height: 18px !important;
  flex-shrink: 0;
  opacity: 0.45;
  fill: none !important;
  stroke: currentColor;
}

.md-sidebar--primary .md-nav__link--active svg:first-child {
  opacity: 1;
  color: var(--axis-sidebar-active-color);
}

/* Hover state */
.md-sidebar--primary .md-nav__link:hover:not(.md-nav__link--active) {
  background-color: rgba(0, 0, 0, 0.03);
  color: #111827;
}

/* Section titles (nested nav items) — uppercase label, no pill */
.md-sidebar--primary .md-nav__item--nested {
  margin-top: 16px;
}

.md-sidebar--primary .md-nav__item--nested:first-child {
  margin-top: 0;
}

/* Section title — shared style for label text */
.md-sidebar--primary .md-nav__item--nested > .md-nav__link,
.md-sidebar--primary .md-nav__item--nested > .md-nav__link.md-nav__container > .md-nav__link {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--axis-sidebar-active-color) !important;
  padding: 4px 12px;
  margin-bottom: 4px;
  background: none !important;
  border-radius: 0 !important;
  border: none !important;
  box-shadow: none !important;
}

/* Container div wrapper — strip all spacing so inner link controls it */
.md-sidebar--primary .md-nav__item--nested > .md-nav__link.md-nav__container {
  padding: 0 !important;
  margin: 0 !important;
  margin-bottom: 4px !important;
  gap: 0 !important;
}

.md-sidebar--primary .md-nav__item--nested > .md-nav__link:hover,
.md-sidebar--primary .md-nav__item--nested > .md-nav__link.md-nav__container > .md-nav__link:hover {
  background: none !important;
  color: var(--axis-sidebar-active-color) !important;
}

/* Remove any active-state highlighting on section titles */
.md-sidebar--primary .md-nav__item--active.md-nav__item--nested > .md-nav__link,
.md-sidebar--primary .md-nav__item--active.md-nav__item--nested > .md-nav__link.md-nav__container,
.md-sidebar--primary .md-nav__item--active.md-nav__item--nested > .md-nav__link.md-nav__container > .md-nav__link {
  background: none !important;
  border: none !important;
  box-shadow: none !important;
}

/* Nested nav container */
.md-sidebar--primary .md-nav--secondary {
  padding-left: 0;
}

/* Right sidebar (TOC) */
.md-sidebar--secondary {
  width: var(--axis-toc-w);
}

.md-sidebar--secondary .md-sidebar__scrollwrap {
  padding: 1rem 0;
}

.md-sidebar--secondary .md-nav--secondary {
  padding: 0 0.5rem;
  font-size: 0.75rem;
  line-height: 1.4;
  border-left: 2px solid var(--md-border-color);
}

.md-sidebar--secondary .md-nav__item {
  margin: 0.125rem 0;
}

.md-sidebar--secondary .md-nav__link {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  color: var(--md-text-muted);
  white-space: normal;
  word-wrap: break-word;
  border-radius: var(--md-radius-sm);
  transition: all var(--md-transition-fast);
}

.md-sidebar--secondary .md-nav__link:hover {
  background-color: rgba(30, 58, 95, 0.06);
  color: var(--md-text-primary);
}

.md-sidebar--secondary .md-nav__link--active {
  background-color: transparent;
  color: var(--md-primary) !important;
  font-weight: 500;
}

[data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav__link:hover {
  background-color: rgba(74, 144, 201, 0.08);
}

[data-md-color-scheme="slate"] .md-sidebar--secondary .md-nav__link--active {
  background-color: transparent;
  color: var(--md-primary-fg-color) !important;
}

/* Adjust content area */
@media screen and (min-width: 76.25em) {
  .md-main__inner {
    max-width: none;
  }

  .md-content {
    margin-left: 0.25rem;
    margin-right: 0.25rem;
    max-width: var(--axis-content-max);
  }
}

/* ==================== Dark Mode Variables ==================== */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #4A90C9;
  --md-primary-fg-color--light: #7BB8E0;
  --md-primary-fg-color--dark: #2D5F8A;
  --md-accent-fg-color: #4A90C9;
  --md-typeset-a-color: #7BB8E0;

  --md-default-bg-color: #0b1120;
  --md-bg-main: #0b1120;
  --md-bg-card: #111827;

  --md-text-primary: #e8eaed;
  --md-text-secondary: #b8c0c8;
  --md-text-muted: #8a9199;

  --md-border-color: rgba(255, 255, 255, 0.08);
  --md-border-light: rgba(255, 255, 255, 0.04);
  --md-border-accent: rgba(74, 144, 201, 0.25);

  --md-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);

  --md-code-bg-color: #1e2428;
  --md-code-fg-color: #e8eaed;

  --md-default-fg-color: #e8eaed;
  --md-default-fg-color--light: #b8c0c8;
  --md-default-fg-color--lighter: #8a9199;
  --md-default-fg-color--lightest: rgba(255, 255, 255, 0.12);

  /* Mockup-aligned layout tokens — dark */
  --axis-topnav-bg: #0a1628;
  --axis-sidebar-bg: #111827;
  --axis-sidebar-active-bg: rgba(129, 132, 255, 0.12);
  --axis-sidebar-active-color: #8B8EF7;
}

/* Dark mode sidebar background */
[data-md-color-scheme="slate"] .md-sidebar--primary {
  background: var(--axis-sidebar-bg);
  border-right-color: rgba(255, 255, 255, 0.06);
}

@media screen and (min-width: 76.25em) {
  [data-md-color-scheme="slate"] .md-main::before {
    background: var(--axis-sidebar-bg);
    border-right-color: rgba(255, 255, 255, 0.06);
  }
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__link--active {
  background-color: var(--axis-sidebar-active-bg);
  color: var(--axis-sidebar-active-color) !important;
  box-shadow: none;
  border-left-color: var(--axis-sidebar-active-color);
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__link:hover:not(.md-nav__link--active) {
  background-color: rgba(74, 144, 201, 0.08);
  color: var(--md-text-primary);
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__link {
  color: #d1d5db;
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__item--nested > .md-nav__link {
  color: var(--axis-sidebar-active-color);
}

[data-md-color-scheme="slate"] .md-sidebar--primary .md-nav__item--nested > .md-nav__link:hover {
  color: var(--axis-sidebar-active-color);
}

/* ==================== Global Styles ==================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4rem;
}

body {
  font-family: var(--md-font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--md-bg-selection);
  color: var(--md-text-primary);
}

/* ==================== Scrollbar Styling ==================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--md-primary-soft);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--md-primary);
}

[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb {
  background: rgba(74, 144, 201, 0.4);
}

[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb:hover {
  background: var(--md-primary-fg-color);
}

/* ==================== Typography ==================== */
.md-typeset {
  font-size: 0.8rem;
  line-height: 1.6;
}

.md-typeset h1 {
  font-size: 1.6rem;
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 0.875rem;
  color: var(--md-text-primary);
  letter-spacing: -0.025em;
  display: block;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--md-primary);
}

[data-md-color-scheme="slate"] .md-typeset h1 {
  color: var(--md-text-primary);
  border-bottom-color: var(--md-primary-fg-color);
}

.md-typeset h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--md-text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.625rem;
  letter-spacing: -0.015em;
}

.md-typeset h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--md-text-secondary);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.md-typeset h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--md-text-secondary);
}

.md-typeset h5,
.md-typeset h6 {
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--md-text-secondary);
}

[data-md-color-scheme="slate"] .md-typeset h2,
[data-md-color-scheme="slate"] .md-typeset h3,
[data-md-color-scheme="slate"] .md-typeset h4,
[data-md-color-scheme="slate"] .md-typeset h5,
[data-md-color-scheme="slate"] .md-typeset h6 {
  color: var(--md-text-primary);
}

/* API docs — top-level class heading */
h2.doc.doc-heading {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--md-text-primary);
  letter-spacing: -0.01em;
}

/* API docs — member headings */
h3.doc.doc-heading {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--md-text-primary);
}

/* ==================== Links ==================== */
.md-content a:not(.md-button):not(.headerlink) {
  color: var(--md-primary-dark);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--md-transition-fast);
}

.md-content a:not(.md-button):not(.headerlink):hover {
  color: var(--md-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

[data-md-color-scheme="slate"] .md-content a:not(.md-button):not(.headerlink) {
  color: var(--md-primary-fg-color--light);
}

[data-md-color-scheme="slate"] .md-content a:not(.md-button):not(.headerlink):hover {
  color: var(--md-primary-fg-color);
}

/* ==================== Navigation Base ==================== */
.md-nav__link {
  color: var(--md-text-secondary);
  transition: all var(--md-transition-fast);
}

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

.md-nav__link--active {
  color: var(--md-primary) !important;
  font-weight: 500;
}

[data-md-color-scheme="slate"] .md-nav__link {
  color: var(--md-text-secondary);
}

[data-md-color-scheme="slate"] .md-nav__link:hover,
[data-md-color-scheme="slate"] .md-nav__link--active {
  color: var(--md-primary-fg-color) !important;
}

/* ==================== Tabs Navigation ==================== */
/* Tabs bar hidden — section nav is in custom header */
.md-tabs { display: none !important; }

/* ==================== Header ==================== */
.md-header {
  background: #111827;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
  position: relative;
}

/* Brand Accent Strip — disabled to match mockup */
.md-header::before {
  display: none;
}

[data-md-color-scheme="slate"] .md-header {
  background: var(--axis-topnav-bg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* Header inner layout */
.md-header__inner {
  height: var(--axis-topnav-h);
  padding: 0 24px;
  max-width: none;
  display: flex;
  align-items: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Logo + "Docs" label */
.md-header__button.md-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 16px;
  padding: 0;
}

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

.md-header__logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

/* Search (centered in header) */
.md-header__search {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

/* Section links (desktop topnav) */
.md-header__sections {
  display: flex;
  gap: 22px;
  align-items: center;
  font-size: 0.75rem;
}

.md-header__section-link {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-weight: 400;
  white-space: nowrap;
  transition: color var(--md-transition-fast);
}

.md-header__section-link:hover {
  color: #fff;
  text-decoration: none;
}

.md-header__section-link--active {
  color: #fff;
  font-weight: 700;
}

/* Actions group */
.md-header__actions {
  margin-left: 24px;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

/* Hide repo source badge from header — accessible via footer */
.md-header__source { display: none; }

/* Mobile: hide section links and center search, show hamburger */
@media screen and (max-width: 76.1875em) {
  .md-header__sections {
    display: none;
  }

  .md-header__search {
    display: none;
  }

  .md-header__actions {
    margin-left: auto;
  }

  .md-header__inner {
    padding: 0 12px;
  }
}

/* ==================== Search ==================== */
.md-search__form {
  border-radius: var(--md-radius-md);
  background-color: rgba(255, 255, 255, 0.15);
  transition: all var(--md-transition-base);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.md-search__form:focus-within {
  background-color: rgba(255, 255, 255, 0.14);
  border-color: rgba(107, 157, 194, 0.4);
  box-shadow: 0 0 0 3px rgba(107, 157, 194, 0.12);
}

.md-search__input {
  font-size: 0.9rem;
}

.md-search__form:focus-within .md-search__icon {
  color: white;
}

[data-md-color-scheme="slate"] .md-search__form {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--md-border-accent);
}

[data-md-color-scheme="slate"] .md-search__form:focus-within {
  background-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(74, 144, 201, 0.2);
}

[data-md-color-scheme="slate"] .md-search-result__article {
  background-color: var(--md-bg-card);
}

[data-md-color-scheme="slate"] .md-search-result__meta,
[data-md-color-scheme="slate"] .md-search-result__teaser {
  color: var(--md-text-muted);
}

/* ==================== Code Blocks ==================== */
.md-typeset code,
.md-typeset pre {
  font-family: var(--md-font-mono);
}

.md-typeset pre {
  border-radius: var(--md-radius-sm);
  border: 1px solid var(--md-border-color);
  margin: 1em 0;
  box-shadow: none;
  overflow: hidden;
}

.md-typeset pre > code {
  background-color: var(--md-code-bg-color);
  color: var(--md-code-fg-color);
  padding: 0.875rem 1rem;
  border-radius: var(--md-radius-sm);
  font-size: 0.75rem;
  line-height: 1.5;
  display: block;
}

/* Inline code */
.md-typeset :not(pre) > code {
  background-color: rgba(30, 58, 95, 0.1);
  color: var(--md-primary-dark);
  padding: 0.125em 0.375em;
  border-radius: 3px;
  font-size: 0.8125em;
  font-weight: 500;
}

[data-md-color-scheme="slate"] .md-typeset :not(pre) > code {
  background-color: rgba(74, 144, 201, 0.12);
  color: var(--md-primary-fg-color--light);
}

/* Code copy button */
.md-clipboard {
  transition: all var(--md-transition-fast);
  opacity: 0.5;
  color: var(--md-text-muted);
}

.md-clipboard:hover {
  opacity: 1;
  color: var(--md-primary);
}

[data-md-color-scheme="slate"] .md-clipboard {
  color: var(--md-text-muted);
}

[data-md-color-scheme="slate"] .md-clipboard:hover {
  color: var(--md-primary-fg-color);
}

/* ==================== Tables ==================== */
.md-typeset table:not([class]) {
  background-color: var(--md-bg-card);
  border-radius: 0;
  overflow: hidden;
  border: 1px solid var(--md-border-color);
  font-size: 0.8125rem;
}

.md-typeset table:not([class]) th {
  background-color: rgba(0, 0, 0, 0.02);
  color: var(--md-text-primary);
  font-weight: 600;
  padding: 0.625rem 0.875rem;
  text-align: left;
  border-bottom: 1px solid var(--md-border-color);
  font-size: 0.8125rem;
  text-transform: none;
  letter-spacing: normal;
}

.md-typeset table:not([class]) td {
  padding: 0.5rem 0.875rem;
  border-bottom: 1px solid var(--md-border-color);
  color: var(--md-text-secondary);
}

.md-typeset table:not([class]) tr:last-child td {
  border-bottom: none;
}

.md-typeset table:not([class]) tbody tr:hover {
  background-color: rgba(30, 58, 95, 0.03);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) {
  background-color: var(--md-bg-card);
  border-color: var(--md-border-accent);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background-color: rgba(74, 144, 201, 0.08);
  color: var(--md-text-primary);
  border-bottom-color: var(--md-border-accent);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) td {
  color: var(--md-text-secondary);
  border-bottom-color: var(--md-border-color);
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) tbody tr:hover {
  background-color: rgba(74, 144, 201, 0.04);
}

/* ==================== Admonitions & Details ==================== */
.md-typeset .admonition,
.md-typeset details {
  background-color: var(--md-bg-card);
  border-radius: var(--md-radius-sm);
  border: 1px solid var(--md-border-color);
  border-left: 3px solid var(--md-primary);
  margin: 1em 0;
  overflow: hidden;
  font-size: 0.8125rem;
  box-shadow: none;
}

.md-typeset .admonition-title,
.md-typeset details summary {
  background-color: rgba(30, 58, 95, 0.05);
  border-bottom: 1px solid var(--md-border-color);
  padding: 0.5rem 0.875rem;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--md-text-primary);
}

.md-typeset .admonition-title::before,
.md-typeset details summary::before {
  color: var(--md-primary);
}

[data-md-color-scheme="slate"] .md-typeset .admonition,
[data-md-color-scheme="slate"] .md-typeset details {
  background-color: var(--md-bg-card);
  border-color: var(--md-border-accent);
}

[data-md-color-scheme="slate"] .md-typeset .admonition-title,
[data-md-color-scheme="slate"] .md-typeset details summary {
  background-color: rgba(74, 144, 201, 0.08);
  border-bottom-color: var(--md-border-color);
  color: var(--md-text-primary);
}

/* Different admonition types - left border colors */
.md-typeset .admonition.note,
.md-typeset .admonition.info {
  border-left-color: #3b82f6;
}

.md-typeset .admonition.tip,
.md-typeset .admonition.success {
  border-left-color: var(--md-primary);
}

.md-typeset .admonition.warning,
.md-typeset .admonition.caution {
  border-left-color: #f59e0b;
}

.md-typeset .admonition.danger,
.md-typeset .admonition.error {
  border-left-color: #ef4444;
}

/* ==================== Blockquotes ==================== */
.md-typeset blockquote {
  background: rgba(30, 58, 95, 0.04);
  border-left: 3px solid var(--md-primary);
  border-radius: 0 var(--md-radius-sm) var(--md-radius-sm) 0;
  padding: 0.75rem 1rem;
  margin: 1em 0;
  color: var(--md-text-secondary);
  font-size: 0.8125rem;
}

[data-md-color-scheme="slate"] .md-typeset blockquote {
  background: rgba(74, 144, 201, 0.06);
  border-left-color: var(--md-primary-fg-color);
  color: var(--md-text-secondary);
}

/* ==================== Dark Callout Box ==================== */
.callout-dark {
  background: linear-gradient(135deg, #1a2332 0%, #0f1923 100%);
  padding: 1.25rem 1.5rem;
  border-radius: var(--md-radius-md);
  color: white;
  margin: 1.25rem 0;
  font-size: 0.875rem;
  line-height: 1.7;
}

.callout-dark p {
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
}

.callout-dark strong {
  color: #fff;
}

.callout-dark .callout-dark__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.5rem;
}

[data-md-color-scheme="slate"] .callout-dark {
  background: linear-gradient(135deg, #111827 0%, #0b1120 100%);
  border: 1px solid rgba(74, 144, 201, 0.15);
}

/* ==================== Buttons ==================== */
.md-typeset .md-button {
  padding: 0.5rem 1rem;
  border-radius: var(--md-radius-sm);
  font-weight: 500;
  font-size: 0.8125rem;
  transition: opacity var(--md-transition-fast);
}

.md-typeset .md-button:hover {
  opacity: 0.9;
}

.md-typeset .md-button--primary {
  background-color: var(--md-primary);
  color: white;
  border: none;
}

.md-typeset .md-button--primary:hover {
  background-color: var(--md-primary-dark);
}

/* ==================== Images ==================== */
.md-typeset img {
  border-radius: var(--md-radius-sm);
  max-width: 100%;
}

/* ==================== Keyboard Keys ==================== */
.md-typeset kbd {
  padding: 0.1em 0.4em;
  border-radius: 3px;
  border: 1px solid var(--md-border-color);
  background-color: var(--md-bg-card);
  color: var(--md-text-primary);
  font-family: var(--md-font-mono);
  font-size: 0.75em;
  white-space: nowrap;
}

[data-md-color-scheme="slate"] .md-typeset kbd {
  background-color: var(--md-bg-card);
  border-color: var(--md-border-accent);
  color: var(--md-text-primary);
}

/* ==================== Hero Section ==================== */
.hero {
  padding: 2.5rem 1.5rem;
  margin: -20px -20px 20px -20px;
  background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-primary-dark) 100%);
  color: white;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  border-bottom: none;
}

.hero p {
  font-size: 0.9375rem;
  max-width: 600px;
  margin: 0 auto 1.25rem;
  opacity: 0.9;
  line-height: 1.5;
}

/* ==================== Seatbelt Hero Section ==================== */
.seatbelt-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 2rem 0;
  border-radius: var(--md-radius-md);
  overflow: hidden;
  border: 1px solid var(--md-border-color);
}

.seatbelt-hero__text {
  background: linear-gradient(160deg, #1a2332 0%, #0f1923 100%);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: white;
}

.seatbelt-hero__label {
  display: inline-block;
  width: fit-content;
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--md-primary-light);
  background: rgba(74, 144, 201, 0.15);
  padding: 0.1875rem 0.625rem;
  border-radius: 2px;
  margin-bottom: 1rem;
}

.seatbelt-hero__quote {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.seatbelt-hero__quote em {
  color: var(--md-primary-light);
  font-style: normal;
}

.seatbelt-hero__sub {
  font-size: 0.8125rem;
  opacity: 0.6;
  line-height: 1.6;
  margin: 0;
}

.seatbelt-hero__visual {
  background: #f0f4f9;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  min-height: 260px;
}

.seatbelt-hero__visual img {
  max-width: 100%;
  max-height: 240px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 0;
}

/* Rule cards grid */
.rule-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.875rem;
  margin: 1.5rem 0;
}

.rule-card {
  background-color: var(--md-bg-card);
  border: 1px solid var(--md-border-color);
  border-radius: var(--md-radius-sm);
  padding: 1rem 1.125rem;
  transition: border-color 0.2s;
}

.rule-card:hover {
  border-color: var(--md-primary-fg-color);
}

.rule-card__number {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  line-height: 1.5rem;
  text-align: center;
  font-size: 0.6875rem;
  font-weight: 700;
  color: white;
  background-color: var(--md-primary);
  border-radius: 50%;
  margin-bottom: 0.625rem;
}

.rule-card__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--md-text-primary);
  margin: 0 0 0.375rem;
  line-height: 1.3;
}

.rule-card__desc {
  font-size: 0.75rem;
  color: var(--md-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Dark mode */
[data-md-color-scheme="slate"] .seatbelt-hero {
  border-color: var(--md-border-accent);
}

[data-md-color-scheme="slate"] .seatbelt-hero__text {
  background: linear-gradient(160deg, #111827 0%, #0b1120 100%);
}

[data-md-color-scheme="slate"] .seatbelt-hero__visual {
  background: #141c2b;
}

[data-md-color-scheme="slate"] .rule-card {
  background-color: var(--md-bg-card);
  border-color: var(--md-border-accent);
}

[data-md-color-scheme="slate"] .rule-card__number {
  background-color: var(--md-primary-fg-color);
  color: #0b1120;
}

/* Responsive */
@media screen and (max-width: 60em) {
  .seatbelt-hero {
    grid-template-columns: 1fr;
  }

  .seatbelt-hero__visual {
    min-height: 180px;
    order: -1;
  }

  .seatbelt-hero__text {
    padding: 2rem 1.5rem;
  }

  .rule-grid {
    grid-template-columns: 1fr;
  }

  .seatbelt-hero__quote {
    font-size: 1.25rem;
  }
}

@media screen and (max-width: 480px) {
  .seatbelt-hero {
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .seatbelt-hero__text {
    padding: 1.5rem 1rem;
  }

  .seatbelt-hero__quote {
    font-size: 1.125rem;
  }

  .seatbelt-hero__visual {
    min-height: 140px;
    padding: 1rem;
  }

  .seatbelt-hero__visual img {
    max-height: 160px;
  }
}

/* ==================== Etymology / Why Axion Section ==================== */
.etymology {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 2rem 0;
  border-radius: var(--md-radius-md);
  overflow: hidden;
  border: 1px solid var(--md-border-color);
}

.etymology__text {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.etymology__label {
  display: inline-block;
  width: fit-content;
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--md-primary);
  background: rgba(30, 58, 95, 0.1);
  padding: 0.1875rem 0.625rem;
  border-radius: 2px;
  margin-bottom: 0.75rem;
}

.etymology__heading {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--md-text-primary);
  margin: 0 0 0.25rem;
  letter-spacing: -0.02em;
  border-bottom: none !important;
  padding-bottom: 0 !important;
}

.etymology__acronym {
  font-size: 0.75rem;
  color: var(--md-text-muted);
  margin: 0 0 1rem;
  letter-spacing: 0.02em;
}

.etymology__acronym strong {
  color: var(--md-primary);
  font-weight: 700;
}

.etymology__body {
  font-size: 0.8125rem;
  color: var(--md-text-secondary);
  line-height: 1.65;
  margin: 0;
}

.etymology__body a {
  color: var(--md-primary-dark);
  text-decoration: none;
  font-weight: 500;
}

.etymology__body a:hover {
  text-decoration: underline;
}

/* Right panel — dark with the particle/toolkit parallel */
.etymology__aside {
  background: linear-gradient(160deg, #1a2332 0%, #0f1923 100%);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: white;
}

.etymology__parallel-label {
  display: block;
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--md-primary-light);
  opacity: 0.7;
  margin-bottom: 1.25rem;
}

.etymology__table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.75rem;
  border: none !important;
  background: none !important;
  margin: 0 !important;
}

.etymology__table tr {
  background: none !important;
}

.etymology__table td {
  border: none !important;
  padding: 0 !important;
  vertical-align: top;
  background: none !important;
  color: inherit !important;
}

.etymology__parallel-icon {
  width: 2rem;
  min-width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(74, 144, 201, 0.15);
  text-align: center;
  line-height: 2rem;
  font-size: 0.875rem;
  padding-right: 0 !important;
}

.etymology__table td:last-child {
  padding-left: 0.75rem !important;
}

.etymology__parallel-title {
  font-size: 0.75rem;
  font-weight: 600;
  margin: 0 0 0.125rem;
  color: white;
}

.etymology__parallel-desc {
  font-size: 0.6875rem;
  margin: 0;
  opacity: 0.6;
  line-height: 1.5;
  color: white;
}

/* Dark mode */
[data-md-color-scheme="slate"] .etymology {
  border-color: var(--md-border-accent);
}

[data-md-color-scheme="slate"] .etymology__aside {
  background: linear-gradient(160deg, #111827 0%, #0b1120 100%);
}

[data-md-color-scheme="slate"] .etymology__body a {
  color: var(--md-primary-fg-color--light);
}

/* Responsive */
@media screen and (max-width: 60em) {
  .etymology {
    grid-template-columns: 1fr;
  }

  .etymology__text {
    padding: 1.5rem;
  }

  .etymology__aside {
    padding: 1.5rem;
  }

  .etymology__heading {
    font-size: 1.125rem;
  }
}

@media screen and (max-width: 480px) {
  .etymology {
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .etymology__text {
    padding: 1.25rem 1rem;
  }

  .etymology__aside {
    padding: 1.25rem 1rem;
  }
}

/* ==================== Feature Cards ==================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.feature-card {
  background-color: var(--md-bg-card);
  border-radius: var(--md-radius-sm);
  padding: 1rem;
  margin: 0;
  border: 1px solid var(--md-border-color);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--md-primary-fg-color);
}

.feature-card h3 {
  margin-top: 0;
}

[data-md-color-scheme="slate"] .feature-card {
  background-color: var(--md-bg-card);
  border-color: var(--md-border-accent);
}

/* ==================== Badges ==================== */
.badge {
  display: inline-block;
  background-color: var(--md-primary);
  color: white;
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Method badges for API docs */
.method-badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
  font-size: 0.625rem;
  font-weight: 600;
  color: white;
  margin-right: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.get-badge { background-color: #10b981; }
.post-badge { background-color: #3b82f6; }
.put-badge { background-color: #f59e0b; }
.delete-badge { background-color: #ef4444; }
.patch-badge { background-color: #8b5cf6; }

/* ==================== Status Badges ==================== */
.status-badge {
  display: inline-block;
  padding: 0.0625rem 0.375rem;
  border-radius: 2px;
  font-size: 0.5625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-left: 0.375rem;
  vertical-align: middle;
  line-height: 1.4;
}

.status-new { background: #10b981; color: white; }
.status-beta { background: #f59e0b; color: white; }
.status-deprecated { background: #6b7280; color: white; }
.status-experimental { background: #8b5cf6; color: white; }

/* ==================== Footer ==================== */
.md-footer {
  background-color: #111827;
}

.md-footer-meta {
  background-color: rgba(0, 0, 0, 0.15);
}

[data-md-color-scheme="slate"] .md-footer {
  background-color: #0a1628;
  border-top: 1px solid rgba(74, 144, 201, 0.25);
}

[data-md-color-scheme="slate"] .md-footer-meta {
  background-color: rgba(0, 0, 0, 0.2);
}

/* ==================== Floating Action Button ==================== */
.md-top {
  background-color: var(--md-primary);
}

.md-top:hover {
  background-color: var(--md-primary-dark);
}

[data-md-color-scheme="slate"] .md-top {
  background-color: var(--md-primary-fg-color);
}

/* ==================== API Endpoint Cards ==================== */
.endpoint-card {
  background-color: var(--md-bg-card);
  border-radius: var(--md-radius-sm);
  margin-bottom: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--md-border-color);
  transition: border-color var(--md-transition-fast);
}

.endpoint-card:hover {
  border-color: var(--md-primary);
}

[data-md-color-scheme="slate"] .endpoint-card {
  background-color: var(--md-bg-card);
  border-color: var(--md-border-accent);
}

/* ==================== Enhanced TOC Active State ==================== */
.md-nav--secondary .md-nav__link--active {
  color: var(--md-primary) !important;
  font-weight: 500;
  border-left: 2px solid var(--md-primary);
  margin-left: -2px;
}

[data-md-color-scheme="slate"] .md-nav--secondary .md-nav__link--active {
  color: var(--md-primary-fg-color) !important;
  border-left-color: var(--md-primary-fg-color);
}

/* ==================== Code Line Highlighting ==================== */
.highlight .hll,
.md-typeset pre > code .hll,
.md-typeset .highlight .hll {
  background: rgba(30, 58, 95, 0.12);
  border-left: 2px solid var(--md-primary);
  margin: 0 -1rem;
  padding: 0 1rem 0 calc(1rem - 2px);
  display: block;
}

[data-md-color-scheme="slate"] .highlight .hll,
[data-md-color-scheme="slate"] .md-typeset pre > code .hll,
[data-md-color-scheme="slate"] .md-typeset .highlight .hll {
  background: rgba(74, 144, 201, 0.15);
  border-left-color: var(--md-primary-fg-color);
}

/* ==================== Terminal/Shell Styling ==================== */
.md-typeset pre[class*="language-"]::after {
  position: absolute;
  top: 0.375rem;
  right: 2.5rem;
  font-size: 0.5625rem;
  color: var(--md-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.highlight pre:has(.language-bash)::after,
.highlight pre:has(.language-shell)::after,
.highlight pre:has(.language-console)::after {
  content: "Terminal";
}

.highlight pre:has(.language-python)::after,
.highlight pre:has(.language-py)::after {
  content: "Python";
}

.md-typeset .highlight .go {
  color: var(--md-text-muted);
}

/* ==================== Table Scroll Wrapper ==================== */
.md-typeset__scrollwrap {
  background-color: transparent;
}

/* ==================== Source Code View ==================== */
.md-source {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--md-radius-sm);
  transition: background-color var(--md-transition-fast);
}

.md-source:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

/* ==================== Version Selector ==================== */
.md-version {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--md-radius-sm);
}

/* ==================== Custom Grid Layout ==================== */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.grid-item {
  background: var(--md-bg-card);
  border-radius: var(--md-radius-sm);
  padding: 1rem;
  border: 1px solid var(--md-border-color);
}

[data-md-color-scheme="slate"] .grid-item {
  background: var(--md-bg-card);
  border-color: var(--md-border-accent);
}

/* ==================== Screenshot Carousel ==================== */
.screenshot-carousel {
  position: relative;
  margin: 1.5rem 0;
  overflow: hidden;
  border-radius: var(--md-radius-md);
  border: 1px solid var(--md-border-color);
  background-color: var(--md-bg-card);
}

[data-md-color-scheme="slate"] .screenshot-carousel {
  border-color: var(--md-border-accent);
}

/* Scroll track */
.carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

/* Individual slide */
.carousel-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  position: relative;
}

.carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
}

/* Caption bar */
.carousel-caption {
  padding: 0.625rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--md-text-secondary);
  background-color: var(--md-bg-card);
  border-top: 1px solid var(--md-border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

[data-md-color-scheme="slate"] .carousel-caption {
  border-top-color: var(--md-border-accent);
}

.carousel-caption .caption-text {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.carousel-caption .caption-label {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-primary);
  background: rgba(30, 58, 95, 0.1);
  padding: 0.125rem 0.375rem;
  border-radius: 2px;
}

[data-md-color-scheme="slate"] .carousel-caption .caption-label {
  color: var(--md-primary-fg-color);
  background: rgba(74, 144, 201, 0.12);
}

/* Navigation arrows */
.carousel-btn {
  position: absolute;
  top: calc(50% - 1.5rem);
  transform: translateY(-50%);
  z-index: 2;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--md-border-color);
  background: var(--md-bg-card);
  color: var(--md-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--md-transition-fast);
  box-shadow: var(--md-shadow-sm);
  font-size: 0.875rem;
  line-height: 1;
  padding: 0;
}

.screenshot-carousel:hover .carousel-btn {
  opacity: 1;
}

.carousel-btn:hover {
  background: rgba(30, 58, 95, 0.1);
  border-color: var(--md-primary);
  color: var(--md-primary);
}

[data-md-color-scheme="slate"] .carousel-btn {
  background: var(--md-bg-card);
  border-color: var(--md-border-accent);
}

[data-md-color-scheme="slate"] .carousel-btn:hover {
  background: rgba(74, 144, 201, 0.15);
  border-color: var(--md-primary-fg-color);
  color: var(--md-primary-fg-color);
}

.carousel-prev { left: 0.5rem; }
.carousel-next { right: 0.5rem; }

/* Dot indicators */
.carousel-dots {
  display: flex;
  gap: 0.375rem;
  align-items: center;
}

.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--md-text-muted);
  opacity: 0.3;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all var(--md-transition-fast);
}

.carousel-dot.active {
  opacity: 1;
  background: var(--md-primary);
  width: 18px;
  border-radius: 3px;
}

[data-md-color-scheme="slate"] .carousel-dot.active {
  background: var(--md-primary-fg-color);
}

/* Mobile: always show arrows */
@media screen and (max-width: 480px) {
  .carousel-btn {
    opacity: 0.8;
    width: 1.75rem;
    height: 1.75rem;
  }

  .screenshot-carousel {
    border-radius: 0;
    margin-left: -1rem;
    margin-right: -1rem;
  }
}

/* ==================== Mermaid Diagram Theme ==================== */
.mermaid {
  font-family: var(--md-font-main) !important;
}

/* Light mode */
:root {
  --mermaid-primary: #1E3A5F;
  --mermaid-primary-dark: #0F2440;
  --mermaid-primary-light: #D1E3F0;
  --mermaid-bg: #FEFEFE;
  --mermaid-border: #1E3A5F;
  --mermaid-text: #2C3E50;
  --mermaid-text-light: #34495E;
  --mermaid-line: #7F8C8D;
}

.mermaid .node rect,
.mermaid .node circle,
.mermaid .node polygon {
  fill: var(--mermaid-primary-light) !important;
  stroke: var(--mermaid-border) !important;
  stroke-width: 1.5px !important;
}

.mermaid .node .label,
.mermaid .nodeLabel {
  color: var(--mermaid-text) !important;
  font-family: var(--md-font-main) !important;
  font-size: 0.8125rem !important;
}

.mermaid .edgePath .path,
.mermaid .flowchart-link {
  stroke: var(--mermaid-line) !important;
  stroke-width: 1.5px !important;
}

.mermaid .edgeLabel {
  background-color: var(--mermaid-bg) !important;
  color: var(--mermaid-text-light) !important;
  font-size: 0.75rem !important;
}

.mermaid .marker {
  fill: var(--mermaid-line) !important;
  stroke: var(--mermaid-line) !important;
}

.mermaid .cluster rect {
  fill: rgba(30, 58, 95, 0.06) !important;
  stroke: var(--mermaid-border) !important;
  stroke-width: 1px !important;
  stroke-dasharray: 4 !important;
}

.mermaid .cluster .nodeLabel,
.mermaid .cluster span {
  color: var(--mermaid-text-light) !important;
  font-weight: 600 !important;
  font-size: 0.75rem !important;
}

/* Sequence diagram */
.mermaid .actor {
  fill: var(--mermaid-primary-light) !important;
  stroke: var(--mermaid-border) !important;
}

.mermaid .actor-line {
  stroke: var(--mermaid-line) !important;
}

.mermaid .messageLine0,
.mermaid .messageLine1 {
  stroke: var(--mermaid-line) !important;
}

.mermaid .messageText {
  fill: var(--mermaid-text) !important;
  font-size: 0.75rem !important;
}

.mermaid .activation0,
.mermaid .activation1,
.mermaid .activation2 {
  fill: rgba(30, 58, 95, 0.15) !important;
  stroke: var(--mermaid-border) !important;
}

/* Dark mode overrides */
[data-md-color-scheme="slate"] {
  --mermaid-primary: #4A90C9;
  --mermaid-primary-dark: #2D5F8A;
  --mermaid-primary-light: #1a2535;
  --mermaid-bg: #111827;
  --mermaid-border: #4A90C9;
  --mermaid-text: #e8eaed;
  --mermaid-text-light: #b8c0c8;
  --mermaid-line: #8a9199;
}

[data-md-color-scheme="slate"] .mermaid .edgeLabel {
  background-color: var(--mermaid-bg) !important;
}

[data-md-color-scheme="slate"] .mermaid .cluster rect {
  fill: rgba(74, 144, 201, 0.08) !important;
}

[data-md-color-scheme="slate"] .mermaid .activation0,
[data-md-color-scheme="slate"] .mermaid .activation1,
[data-md-color-scheme="slate"] .mermaid .activation2 {
  fill: rgba(74, 144, 201, 0.15) !important;
}

/* =====================================================
   COLLAPSIBLE RIGHT SIDEBAR (TOC)
   ===================================================== */

.toc-toggle {
  position: fixed;
  right: 12rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  width: 20px;
  height: 40px;
  background-color: var(--md-bg-card);
  border: 1px solid var(--md-border-color);
  border-right: none;
  border-radius: var(--md-radius-sm) 0 0 var(--md-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--md-transition-fast);
  opacity: 0.7;
}

.toc-toggle:hover {
  opacity: 1;
  background-color: rgba(30, 58, 95, 0.1);
}

.toc-toggle svg {
  width: 12px;
  height: 12px;
  fill: var(--md-text-muted);
  transition: transform var(--md-transition-fast);
}

[data-md-color-scheme="slate"] .toc-toggle {
  background-color: var(--md-bg-card);
  border-color: var(--md-border-accent);
}

[data-md-color-scheme="slate"] .toc-toggle:hover {
  background-color: rgba(74, 144, 201, 0.15);
}

[data-md-color-scheme="slate"] .toc-toggle svg {
  fill: var(--md-text-muted);
}

.toc-collapsed .md-sidebar--secondary {
  width: 0 !important;
  min-width: 0 !important;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.toc-collapsed .toc-toggle {
  right: 0;
  border-right: 1px solid var(--md-border-color);
  border-radius: var(--md-radius-sm) 0 0 var(--md-radius-sm);
}

[data-md-color-scheme="slate"] .toc-collapsed .toc-toggle {
  border-right-color: var(--md-border-accent);
}

.toc-collapsed .toc-toggle svg {
  transform: rotate(180deg);
}

@media screen and (min-width: 76.25em) {
  .toc-collapsed .md-content {
    margin-right: 1rem;
  }
}

@media screen and (max-width: 76.1875em) {
  .toc-toggle {
    display: none;
  }
}

/* ==================== Responsive Adjustments ==================== */
@media screen and (max-width: 76.25em) {
  .md-typeset h1 {
    font-size: 1.5rem;
  }
}

@media screen and (max-width: 60em) {
  .md-typeset h1 {
    font-size: 1.375rem;
  }

  .grid-container {
    grid-template-columns: 1fr;
  }

  .md-content {
    padding: 0 0.75rem;
  }

  .md-typeset {
    font-size: 0.875rem;
  }
}

/* ==================== API Reference (mkdocstrings) ==================== */

/* Card-like container for each documented object */
.doc.doc-object {
  background-color: var(--md-bg-card);
  border: 1px solid var(--md-border-color);
  border-radius: var(--md-radius-sm);
  margin: 1.25rem 0;
  padding: 0;
  overflow: hidden;
}

[data-md-color-scheme="slate"] .doc.doc-object {
  background-color: var(--md-bg-card);
  border-color: var(--md-border-accent);
}

/* Nested doc objects (class members, methods) */
.doc.doc-object .doc.doc-object {
  border: none;
  border-top: 1px solid var(--md-border-color);
  border-radius: 0;
  margin: 0;
}

[data-md-color-scheme="slate"] .doc.doc-object .doc.doc-object {
  border-top-color: var(--md-border-color);
}

/* Headings within documented objects — main class/function heading */
.doc.doc-heading {
  font-weight: 600;
  color: var(--md-text-primary);
  padding: 0.75rem 1rem;
  margin: 0;
  background-color: #f8f9fb;
  border-bottom: 1px solid var(--md-border-color);
}

[data-md-color-scheme="slate"] .doc.doc-heading {
  background-color: rgba(74, 144, 201, 0.06);
  border-bottom-color: var(--md-border-color);
}

/* Nested headings — clean, no background */
.doc.doc-object .doc.doc-object .doc.doc-heading {
  background-color: transparent;
  border-bottom: none;
  padding: 0.625rem 1rem 0.375rem;
}

/* Nested member objects — tighter vertical spacing */
.doc.doc-object .doc.doc-object {
  margin-bottom: 0;
}

.doc.doc-object .doc.doc-object + .doc.doc-object {
  border-top: 1px solid var(--md-border-color);
}

[data-md-color-scheme="slate"] .doc.doc-object .doc.doc-object + .doc.doc-object {
  border-top-color: rgba(255, 255, 255, 0.06);
}

/* Label badges (async, classmethod, dataclass, etc.) */
.doc.doc-label,
.doc-label,
.doc .doc-label {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 3px;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  vertical-align: middle;
  line-height: 1.4;
  background: var(--md-primary) !important;
  color: #fff !important;
  border: none !important;
  box-shadow: none !important;
}

/* Ensure inner elements (code, span) inherit white text */
.doc-label *,
.doc-label code,
.doc .doc-label code {
  color: #fff !important;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  font-size: inherit !important;
  font-weight: inherit !important;
}

/* Specific label accent colors */
.doc-label-async,
.doc-label[data-label="async"],
.doc .doc-label[data-label="async"] {
  background: #3b82f6 !important;
}

.doc-label-classmethod,
.doc-label[data-label="classmethod"],
.doc .doc-label[data-label="classmethod"] {
  background: #8b5cf6 !important;
}

.doc-label-dataclass,
.doc-label[data-label="dataclass"],
.doc .doc-label[data-label="dataclass"] {
  background: #10b981 !important;
}

.doc-label-staticmethod,
.doc-label[data-label="staticmethod"],
.doc .doc-label[data-label="staticmethod"] {
  background: #f59e0b !important;
}

.doc-label-property,
.doc-label[data-label="property"],
.doc .doc-label[data-label="property"] {
  background: #6366f1 !important;
}

.doc-label-abstractmethod,
.doc-label[data-label="abstractmethod"],
.doc .doc-label[data-label="abstractmethod"] {
  background: #ec4899 !important;
}

/* Content area inside documented objects */
.doc.doc-contents {
  padding: 0.75rem 1rem;
  border-left: 3px solid rgba(30, 58, 95, 0.15);
  margin-left: 0;
}

.doc.doc-contents:first-child {
  border-left: none;
}

[data-md-color-scheme="slate"] .doc.doc-contents {
  border-left-color: rgba(74, 144, 201, 0.2);
}

/* Nested member contents — tighter padding */
.doc.doc-object .doc.doc-object .doc.doc-contents {
  padding: 0.5rem 1rem 0.625rem;
  border-left-width: 2px;
}

/* Section headers (Parameters, Returns, Raises, etc.) */
.doc-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--md-primary-dark);
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid rgba(30, 58, 95, 0.2);
}

[data-md-color-scheme="slate"] .doc-section-title {
  color: var(--md-primary-fg-color);
  border-bottom-color: rgba(74, 144, 201, 0.25);
}

/* Parameter/return list items */
.doc-section-item {
  margin-bottom: 0.5rem;
  padding: 0.25rem 0;
  line-height: 1.5;
}

.doc-section-item + .doc-section-item {
  border-top: 1px solid var(--md-border-light);
}

[data-md-color-scheme="slate"] .doc-section-item + .doc-section-item {
  border-top-color: rgba(255, 255, 255, 0.04);
}

/* Parameter names in doc sections */
.doc-section-item > code:first-child,
.doc.doc-contents dt code {
  font-weight: 600;
  color: var(--md-primary-dark);
  background-color: rgba(30, 58, 95, 0.08);
}

[data-md-color-scheme="slate"] .doc-section-item > code:first-child,
[data-md-color-scheme="slate"] .doc.doc-contents dt code {
  color: var(--md-primary-fg-color--light);
  background-color: rgba(74, 144, 201, 0.1);
}

/* Child members container */
.doc.doc-children {
  padding-left: 0.5rem;
  margin-top: 0;
}

/* Base class display */
.doc.doc-class-bases {
  font-size: 0.75rem;
  color: var(--md-text-muted);
  padding: 0 1rem 0.5rem;
  font-style: italic;
}

[data-md-color-scheme="slate"] .doc.doc-class-bases {
  color: var(--md-text-muted);
}

/* Internal cross-reference links */
.autorefs.autorefs-internal {
  color: var(--md-primary-dark);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px dotted rgba(30, 58, 95, 0.4);
  transition: all var(--md-transition-fast);
}

.autorefs.autorefs-internal:hover {
  color: var(--md-primary);
  border-bottom-color: var(--md-primary);
}

[data-md-color-scheme="slate"] .autorefs.autorefs-internal {
  color: var(--md-primary-fg-color--light);
  border-bottom-color: rgba(74, 144, 201, 0.4);
}

[data-md-color-scheme="slate"] .autorefs.autorefs-internal:hover {
  color: var(--md-primary-fg-color);
  border-bottom-color: var(--md-primary-fg-color);
}

/* Object name in heading (separate_signature mode) */
.doc.doc-heading .doc-object-name {
  font-family: var(--md-font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--md-text-primary);
}

[data-md-color-scheme="slate"] .doc.doc-heading .doc-object-name {
  color: #e0e4e8;
}

/* Nested member heading object names */
.doc.doc-object .doc.doc-object .doc.doc-heading .doc-object-name {
  font-size: 0.8125rem;
  font-weight: 600;
}

/* Fallback: inline signature code in headings (when separate_signature is off) */
.doc.doc-heading > code.highlight {
  font-family: var(--md-font-mono) !important;
  font-size: 0.8125rem;
  background: transparent !important;
  color: var(--md-text-primary) !important;
  padding: 0 !important;
  border: none !important;
  box-shadow: none !important;
  white-space: normal;
  word-break: break-word;
}

.doc.doc-heading > code.highlight .n,
.doc.doc-heading > code.highlight .nc,
.doc.doc-heading > code.highlight .nb,
.doc.doc-heading > code.highlight .nd,
.doc.doc-heading > code.highlight .p,
.doc.doc-heading > code.highlight .o,
.doc.doc-heading > code.highlight .mi,
.doc.doc-heading > code.highlight .kc,
.doc.doc-heading > code.highlight .w {
  color: inherit !important;
}

/* Signature block (separate_signature mode — renders as code block) */
div.doc-signature {
  margin: 0;
  border-radius: 0;
  font-size: 0.8125rem;
}

div.doc-signature pre {
  margin: 0 !important;
  border-radius: 0 !important;
}

/* Nested member signatures — lighter background */
.doc.doc-object .doc.doc-object div.doc-signature {
  font-size: 0.8125rem;
}

.doc.doc-object .doc.doc-object div.doc-signature pre {
  background: #f3f4f6 !important;
  padding: 0.5rem 1rem !important;
}

[data-md-color-scheme="slate"] .doc.doc-object .doc.doc-object div.doc-signature pre {
  background: rgba(74, 144, 201, 0.06) !important;
}

/* Collapsible Example/Note sections in API docs */
.doc-contents details {
  margin: 0.75rem 0;
  border: 1px solid var(--md-border-color);
  border-radius: var(--md-radius-sm);
  overflow: hidden;
}

.doc-contents details > summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--md-text-muted);
  background: #f8f9fb;
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.doc-contents details > summary::-webkit-details-marker {
  display: none;
}

.doc-contents details > summary::before {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 5px solid var(--md-text-muted);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform var(--md-transition-fast);
  flex-shrink: 0;
}

.doc-contents details[open] > summary::before {
  transform: rotate(90deg);
}

.doc-contents details[open] > summary {
  border-bottom: 1px solid var(--md-border-color);
}

.doc-contents details > .highlight,
.doc-contents details > div,
.doc-contents details > p {
  padding: 0;
  margin: 0;
}

.doc-contents details > .highlight pre,
.doc-contents details > div.highlight pre {
  margin: 0 !important;
  border-radius: 0 !important;
}

[data-md-color-scheme="slate"] .doc-contents details {
  border-color: rgba(255, 255, 255, 0.08);
}

[data-md-color-scheme="slate"] .doc-contents details > summary {
  background: rgba(74, 144, 201, 0.04);
  color: var(--md-text-muted);
}

/* mkdocstrings parameter tables */
.doc.doc-contents table {
  border: 1px solid var(--md-border-color);
  border-radius: var(--md-radius-sm);
  overflow: hidden;
}

[data-md-color-scheme="slate"] .doc.doc-contents table {
  border-color: var(--md-border-accent);
}

/* Reference page import block */
.ref-import {
  margin: 0.75rem 0 1.5rem;
}

/* Reference page nav buttons */
.ref-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--md-border-color);
}

[data-md-color-scheme="slate"] .ref-nav {
  border-top-color: var(--md-border-accent);
}

/* ==================== Small Mobile Devices ====================
@media screen and (max-width: 480px) {
  html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
  }

  .md-main__inner {
    padding: 0;
  }

  .md-content__inner {
    padding: 0 1rem;
    margin: 0;
  }

  .md-typeset h1 {
    font-size: 1.25rem;
    word-break: break-word;
  }

  .md-typeset h2 {
    font-size: 1.1rem;
  }

  .md-typeset h3 {
    font-size: 1rem;
  }

  .md-typeset__scrollwrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .md-typeset table:not([class]) {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    font-size: 0.75rem;
  }

  .md-typeset table:not([class]) th,
  .md-typeset table:not([class]) td {
    padding: 0.5rem 0.625rem;
    white-space: nowrap;
  }

  .md-typeset pre {
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
  }

  .md-typeset pre > code {
    padding: 0.75rem 1rem;
    font-size: 0.7rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .md-typeset :not(pre) > code {
    word-break: break-word;
  }

  .md-typeset .admonition,
  .md-typeset details {
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
    border-left-width: 3px;
  }

  .md-nav__link {
    padding: 0.75rem 0.5rem;
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .md-search__form {
    border-radius: var(--md-radius-sm);
  }

  .md-typeset .md-button {
    padding: 0.75rem 1.25rem;
    min-height: 44px;
  }

  .md-typeset blockquote {
    margin-left: 0;
    margin-right: 0;
  }
}

/* ==================== Touch Device Enhancements ==================== */
@media (hover: none) and (pointer: coarse) {
  .md-nav__link {
    min-height: 44px;
    padding-top: 0.625rem;
    padding-bottom: 0.625rem;
  }

  .md-clipboard {
    opacity: 0.7;
  }
}

/* ==================== Print Styles ==================== */
@media print {
  .md-typeset h1 {
    border-bottom: 1px solid #ccc;
  }

  .md-typeset pre:hover,
  .md-typeset .admonition:hover,
  .md-typeset details:hover,
  .md-typeset img:hover {
    transform: none;
    box-shadow: none;
  }
}

/* =====================================================
   MOBILE NAVIGATION
   ===================================================== */

@media screen and (max-width: 76.1875em) {
  .md-header__button[for="__drawer"],
  label[for="__drawer"].md-header__button {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .md-header {
    z-index: 4;
    position: sticky;
    top: 0;
  }

  .md-header__button.md-icon svg {
    fill: currentColor;
    width: 1.2rem;
    height: 1.2rem;
  }

  .md-toggle--drawer {
    display: none;
  }

  .md-toggle--drawer:checked ~ .md-header .md-header__button[for="__drawer"] {
    opacity: 1;
  }
}

@media screen and (max-width: 76.1875em) {
  .md-nav--primary {
    background-color: var(--md-bg-card);
  }

  .md-nav--primary .md-nav__title {
    background-color: var(--md-primary-fg-color);
    color: white;
    padding: 0.8rem 1rem;
    font-weight: 600;
  }

  .md-nav--primary .md-nav__title .md-nav__icon {
    color: white;
  }

  .md-nav--primary .md-nav__item {
    border-bottom: 1px solid var(--md-border-color);
  }

  .md-nav--primary .md-nav__link {
    padding: 0.8rem 1rem;
    min-height: 48px;
    display: flex;
    align-items: center;
    font-size: 0.875rem;
  }

  .md-nav--primary .md-nav__link--active {
    background-color: rgba(30, 58, 95, 0.1);
    color: var(--md-primary) !important;
    font-weight: 500;
  }

  .md-nav--primary .md-nav--secondary {
    background-color: rgba(0, 0, 0, 0.02);
  }

  [data-md-color-scheme="slate"] .md-nav--primary {
    background-color: var(--md-bg-card);
  }

  [data-md-color-scheme="slate"] .md-nav--primary .md-nav__title {
    background-color: var(--md-primary-fg-color--dark);
  }

  [data-md-color-scheme="slate"] .md-nav--primary .md-nav__item {
    border-bottom-color: var(--md-border-accent);
  }

  [data-md-color-scheme="slate"] .md-nav--primary .md-nav__link--active {
    background-color: rgba(74, 144, 201, 0.15);
    color: var(--md-primary-fg-color) !important;
  }

  [data-md-color-scheme="slate"] .md-nav--primary .md-nav--secondary {
    background-color: rgba(255, 255, 255, 0.02);
  }
}

/* Mobile TOC */
@media screen and (max-width: 60em) {
  .md-nav--secondary {
    display: block;
    background: var(--md-bg-card);
    border: 1px solid var(--md-border-color);
    border-radius: var(--md-radius-sm);
    margin-bottom: 1rem;
    padding: 0;
    overflow: hidden;
  }

  .md-nav--secondary .md-nav__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 0.8125rem;
    padding: 0.625rem 0.875rem;
    background-color: rgba(30, 58, 95, 0.05);
    border-bottom: 1px solid var(--md-border-color);
    cursor: pointer;
    color: var(--md-text-primary);
  }

  .md-nav--secondary .md-nav__title::after {
    content: "\25BC";
    font-size: 0.625rem;
    color: var(--md-text-muted);
    transition: transform var(--md-transition-fast);
  }

  .md-nav--secondary > ul {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 0.875rem;
  }

  .md-nav--secondary:focus-within > ul,
  .md-nav--secondary:hover > ul,
  .md-nav--secondary.toc-expanded > ul {
    max-height: 500px;
    padding: 0.5rem 0.875rem;
  }

  .md-nav--secondary:focus-within .md-nav__title::after,
  .md-nav--secondary:hover .md-nav__title::after,
  .md-nav--secondary.toc-expanded .md-nav__title::after {
    transform: rotate(180deg);
  }

  .md-nav--secondary .md-nav__link {
    padding: 0.375rem 0;
    font-size: 0.8125rem;
    min-height: 36px;
    display: flex;
    align-items: center;
  }

  [data-md-color-scheme="slate"] .md-nav--secondary {
    background: var(--md-bg-card);
    border-color: var(--md-border-accent);
  }

  [data-md-color-scheme="slate"] .md-nav--secondary .md-nav__title {
    background-color: rgba(74, 144, 201, 0.08);
    border-bottom-color: var(--md-border-color);
  }
}

@media screen and (max-width: 76.1875em) {
  .md-overlay {
    z-index: 3;
  }

  .md-toggle--drawer:checked ~ .md-overlay {
    opacity: 1;
    pointer-events: auto;
  }
}

@media screen and (max-width: 76.1875em) {
  .md-header__button.md-logo img,
  .md-header__button.md-logo svg {
    height: 28px;
    width: auto;
  }

  .md-search__button {
    display: block;
  }
}