/* ============================================================
   Open Agent Containers — Docs Theme
   Design language: Dense. Explicit. Flat. Engineered.
   Inspired by U.S. Graphics Company (usgraphics.com)
   ============================================================ */

/* --- Palette -------------------------------------------- */

:root {
  --oac-black:         #000000;
  --oac-white:         #ffffff;
  --oac-page-bg:       #eeeeee;
  --oac-border:        #888888;
  --oac-border-light:  #bfbfbf;
  --oac-shadow:        #bbbbbb;
  --oac-green:         #1a5c1a;
  --oac-code-bg:       #fff9d6;
  --oac-pre-bg:        #f4f4f0;
  --oac-size:          14px;
  --oac-line:          1.5;
}

[data-md-color-scheme="default"] {
  --md-primary-fg-color:              #000000;
  --md-primary-fg-color--light:       #444444;
  --md-primary-fg-color--dark:        #000000;
  --md-primary-bg-color:              #ffffff;
  --md-primary-bg-color--light:       #eeeeee;

  --md-accent-fg-color:               var(--oac-green);
  --md-accent-fg-color--transparent:  rgba(26, 92, 26, 0.1);
  --md-accent-bg-color:               #ffffff;

  --md-default-fg-color:              #000000;
  --md-default-fg-color--light:       hsla(0, 0%, 0%, 0.54);
  --md-default-fg-color--lighter:     hsla(0, 0%, 0%, 0.32);
  --md-default-fg-color--lightest:    hsla(0, 0%, 0%, 0.12);
  --md-default-bg-color:              #ffffff;
  --md-default-bg-color--light:       #f8f8f8;
  --md-default-bg-color--lighter:     #f2f2f2;
  --md-default-bg-color--lightest:    #eeeeee;

  --md-typeset-color:                 #000000;
  --md-typeset-a-color:               #000000;

  --md-code-fg-color:                 #000000;
  --md-code-bg-color:                 var(--oac-code-bg);

  --md-shadow-z1:  1px 1px 0 var(--oac-shadow);
  --md-shadow-z2:  2px 2px 0 var(--oac-shadow);
  --md-shadow-z3:  2px 2px 0 var(--oac-shadow);
}

/* --- Page background ------------------------------------ */

body {
  background-color: var(--oac-page-bg);
}

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

.md-typeset {
  font-size: var(--oac-size);
  line-height: var(--oac-line);
  color: var(--oac-black);
}

/* Flat heading hierarchy — utility over decoration */
.md-typeset h1 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--oac-black);
  letter-spacing: 0;
  border-bottom: 1px dotted var(--oac-border);
  padding-bottom: 0.3em;
  margin-bottom: 0.75em;
}

.md-typeset h2 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--oac-black);
  margin-top: 2em;
  margin-bottom: 0.4em;
  border-bottom: 1px dotted var(--oac-border-light);
  padding-bottom: 0.2em;
}

.md-typeset h3 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--oac-black);
  margin-top: 1.25em;
  margin-bottom: 0.3em;
}

.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--oac-black);
}

/* Links — black by default, green on hover */
.md-typeset a {
  color: var(--oac-black);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.md-typeset a:hover,
.md-typeset a:focus {
  color: var(--oac-green);
}

/* Horizontal rules — dotted */
.md-typeset hr {
  border: none;
  border-top: 1px dotted var(--oac-border);
  margin: 1.5em 0;
}

/* Blockquotes — plain left-rule, no italics */
.md-typeset blockquote {
  border-left: 3px solid var(--oac-border-light);
  color: var(--oac-black);
  font-style: normal;
  padding-left: 0.75rem;
  margin-left: 0;
}

/* --- Header --------------------------------------------- */

.md-header {
  background-color: var(--oac-white);
  color: var(--oac-black);
  border-bottom: 1px solid var(--oac-border);
  box-shadow: none;
}

.md-header__title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--oac-black);
  max-width: 12rem;
  margin-left: 8px !important;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  filter: none;
}

/* Header buttons (hamburger, search icon) — black on white header */
.md-header__button {
  color: var(--oac-black);
}

/* Search — align right edge with content card */
.md-search {
  margin-right: 6px;
}

/* Search — styled to match header tab buttons */
.md-search__form {
  height: 1.5rem !important;
  background-color: var(--oac-white) !important;
  border: 1px solid var(--oac-black) !important;
  border-radius: 0 !important;
  box-shadow: 2px 2px 0 var(--oac-shadow) !important;
}

.md-search__form:hover,
.md-search__form:focus-within {
  background-color: var(--oac-white) !important;
  box-shadow: 2px 2px 0 var(--oac-shadow) !important;
}

.md-search__input {
  border: none !important;
  border-radius: 0;
  background-color: transparent !important;
  color: var(--oac-black);
  font-size: 0.78rem;
  height: 100% !important;
}

.md-search__input::placeholder {
  color: var(--oac-border);
}

.md-search__icon {
  color: var(--oac-black) !important;
}

label.md-search__icon.md-icon {
  top: 50% !important;
  transform: translateY(-50%);
  width: 18px !important;
  height: 18px !important;
}

label.md-search__icon.md-icon svg {
  width: 18px !important;
  height: 18px !important;
}

.md-search__options {
  color: var(--oac-black);
}

/* --- Navigation tabs (inline in header) ----------------- */

/* Hide the standalone tab bar — tabs are rendered in the header instead */
.md-tabs {
  display: none;
}

/* Inline tab nav inside the header — btn-classic style, free-floating */
.md-header-tabs {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0 0.75rem;
  flex: 1;
}

.md-header-tabs__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-size: 0.78rem;
  color: var(--oac-black);
  text-decoration: none;
  padding: 0.15rem 0.55rem;
  background: var(--oac-white);
  border: 1px solid var(--oac-black);
  box-shadow: 2px 2px 0 var(--oac-shadow);
  line-height: 1.4;
  transition: none;
}

/* Active tab — filled black, matches secondary nav active style */
.md-header-tabs__link--active {
  background: var(--oac-black);
  color: var(--oac-white);
  box-shadow: none;
}

.md-header-tabs__link:hover {
  background: var(--oac-black);
  color: var(--oac-white);
  box-shadow: none;
}

/* --- Sidebar / nav -------------------------------------- */

.md-sidebar {
}

.md-nav__title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--oac-black);
  padding: 0.4rem 0.6rem;
  background: var(--oac-white);
  box-shadow: none !important;
}

/* TOC header: active page title — bordered label, no shadow, stronger border */
.md-nav--lifted > .md-nav__list > .md-nav__item--active > label.md-nav__link {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border: 2px solid var(--oac-black) !important;
  background: var(--oac-white);
  box-shadow: none !important;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--oac-black) !important;
}

/* Hide the duplicate <a> link — we're already on this page */
.md-nav--lifted > .md-nav__list > .md-nav__item--active > a.md-nav__link {
  display: none !important;
}

/* No green dot on the TOC header label */
.md-nav--lifted > .md-nav__list > .md-nav__item--active > label.md-nav__link::before {
  content: none !important;
}

.md-nav__link {
  font-size: 0.8rem;
  color: var(--oac-black);
  padding: 0.2rem 0.6rem;
  transition: none;
}

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

.md-nav__link--active {
  color: var(--oac-green) !important;
  font-weight: 700;
}

/* --- Content area --------------------------------------- */

/* The "document in a frame" look */
.md-content__inner {
  border: 1px solid var(--oac-border);
  box-shadow: 2px 2px 0 var(--oac-shadow);
  padding: 1.25rem 1.75rem 1.5rem;
  background: var(--oac-white);
  margin: 1rem 0.5rem;
}

/* --- Tables --------------------------------------------- */

.md-typeset table:not([class]) {
  border-collapse: collapse;
  font-size: 0.82rem;
  width: 100%;
  box-shadow: none;
  border-radius: 0;
}

.md-typeset table:not([class]) thead tr {
  background-color: transparent;
  border-bottom: 1px solid var(--oac-border);
}

.md-typeset table:not([class]) th {
  background-color: transparent;
  font-weight: 700;
  font-size: 0.8rem;
  border: 1px solid var(--oac-border-light);
  padding: 0.25rem 0.5rem;
  text-align: left;
  color: var(--oac-black);
}

.md-typeset table:not([class]) td {
  border: 1px solid var(--oac-border-light);
  padding: 0.25rem 0.5rem;
  vertical-align: top;
}


/* Zebra stripe — very subtle */
.md-typeset table:not([class]) tbody tr:nth-child(even) {
  background-color: #fafafa;
}

/* --- Code ----------------------------------------------- */

/* Inline code — SKU badge treatment */
.md-typeset code {
  background-color: var(--oac-code-bg);
  border: 1px dotted var(--oac-black);
  border-radius: 0;
  padding: 0.05em 0.3em;
  font-size: 13px;
  color: var(--oac-black);
  letter-spacing: 0.04em;
  word-break: break-word;
}

/* Fenced code blocks — override inline treatment */
.md-typeset pre {
  border: 1px solid var(--oac-border-light);
  border-radius: 0;
  box-shadow: none;
}

.md-typeset pre > code {
  background-color: var(--oac-pre-bg);
  border: none;
  border-radius: 0;
  padding: 0.75rem 1rem;
  letter-spacing: 0;
  font-size: 12px;
  line-height: 1.5;
}

/* Syntax highlight toolbar */
.md-typeset .highlight {
  border-radius: 0;
}

.md-typeset .highlight .filename {
  background-color: #e8e8e8;
  border-bottom: 1px solid var(--oac-border-light);
  border-radius: 0;
  font-size: 0.75rem;
  color: var(--oac-black);
  padding: 0.3rem 0.75rem;
}

/* --- Admonitions ---------------------------------------- */

.md-typeset .admonition,
.md-typeset details {
  border-left: 3px solid var(--oac-black);
  border-radius: 0;
  box-shadow: none;
  font-size: 0.82rem;
}

.md-typeset .admonition-title,
.md-typeset summary {
  font-weight: 700;
  font-size: 0.82rem;
  background-color: #f0f0f0;
}

.md-typeset .note > .admonition-title  { border-color: var(--oac-border); }
.md-typeset .warning > .admonition-title { border-color: #8b4000; }
.md-typeset .tip > .admonition-title   { border-color: var(--oac-green); }

/* --- Footer --------------------------------------------- */

.md-footer {
  background-color: transparent;
  border: none;
  color: var(--oac-black);
  font-size: 0.78rem;
}

/* Transparent container — let md-grid handle centering and max-width */
.md-footer__inner {
  margin-bottom: 1rem;
  padding-left: 0;
  padding-right: 0;
}

/* At wide viewports the sidebar is visible; offset the card past it */
/* @media screen and (min-width: 76.25em) {
  .md-footer__inner {
    padding-left: var(--md-sidebar-width, 12.1rem);
  }
} */

/* Remove meta footer */
.md-footer-meta {
  display: none;
}

/* Floating card — matches .md-content__inner */
.oac-footer-card {
  flex: 1; /* fill remaining grid width (md-grid is a flex container) */
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--oac-border);
  box-shadow: 2px 2px 0 var(--oac-shadow);
  background: var(--oac-white);
  padding: 0.35rem 1.75rem;
  margin-left: 10px;
  margin-right: 10px;
}

.oac-footer__copy {
  font-size: var(--oac-size);
  color: var(--oac-border);
}

.oac-footer__copy a {
  color: var(--oac-border);
  text-underline-offset: 2px;
}

.oac-footer__copy a:hover {
  color: var(--oac-green);
}


/* --- Active nav indicator ------------------------------- */

/* Colored bullet before active sidebar link — mirrors USG's red ● on active tab */
.md-nav__link--active {
  color: var(--oac-green) !important;
  font-weight: 700;
}

.md-nav__link--active::before {
  content: "●";
  color: var(--oac-green);
  font-size: 0.55em;
  margin-right: 0.35em;
  vertical-align: middle;
}


/* --- USG sitemap tree style for TOC -------------------- */

/* Scope: .md-nav__item--active > .md-nav is the TOC sub-nav
   inside the active page's nav item (toc.integrate) */

.md-nav--secondary,
.md-nav__item--active > .md-nav {
  border-left: none !important;
}

.md-nav__item--active > .md-nav .md-nav__list {
  margin: 0.35rem 0 0.25rem;
  padding: 0;
  list-style: none;
}

/* Each TOC li: vertical connecting line + context for ::before */
.md-nav__item--active > .md-nav .md-nav__list .md-nav__item {
  position: relative;
  border-left: 1px solid var(--oac-black);
  list-style: none;
  margin: 0;
  padding: 0.1rem 0;
}

/* Last item at each level: end the vertical line */
.md-nav__item--active > .md-nav .md-nav__list .md-nav__item:last-child {
  border-left: 1px solid transparent;
}

/* L-shaped connector — same technique as USG:
   border-width: 0 0 1px 1px draws a bottom + left edge = corner.
   Fixed height (not 50%) so the horizontal arm always hits the link
   center even when the li is tall due to nested children. */
.md-nav__item--active > .md-nav .md-nav__list .md-nav__item::before {
  content: "";
  position: absolute;
  top: 0;
  height: 1.05rem;
  left: -1px;
  width: 1.5rem;
  border-width: 0 0 1px 1px;
  border-style: none none solid solid;
  border-color: transparent transparent var(--oac-black) var(--oac-black);
  pointer-events: none;
}

/* TOC link: btn-classic bordered box node */
.md-nav__item--active > .md-nav .md-nav__link {
  display: inline-block !important;
  position: relative;
  margin: 0.2rem 0 0.2rem 1.5rem; /* left margin = connector width */
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--oac-black);
  background: var(--oac-white);
  box-shadow: 2px 2px 0 var(--oac-shadow);
  font-size: 0.75rem;
  color: var(--oac-black) !important;
  text-decoration: none;
  opacity: 1;
  line-height: 1.4;
}

/* Suppress the green bullet — connector replaces it */
.md-nav__item--active > .md-nav .md-nav__link::before {
  content: none !important;
}

/* Hover: invert (USG btn-classic hover) */
.md-nav__item--active > .md-nav .md-nav__link:hover {
  background: var(--oac-black);
  color: var(--oac-white) !important;
  box-shadow: none;
}

/* Active TOC heading: filled black */
.md-nav__item--active > .md-nav .md-nav__link--active {
  background: var(--oac-black);
  color: var(--oac-white) !important;
  font-weight: 400;
  box-shadow: none;
}

/* Sub-tree indent for h3/h4 headings */
.md-nav__item--active > .md-nav .md-nav__item > .md-nav {
  margin-left: 1.5rem;
}

/* --- Scrollbar (webkit) --------------------------------- */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--oac-page-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--oac-border-light);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--oac-border);
}