/* =====================================================================
   UC-BoK — MkDocs Material theme — Retex/Alkemy palette
   Black #000  Cyan #3ED6FF  Blue #404AFF  Green #00DA7F
   DarkGrey #4B4B4B  MidGrey #BDB8B8  LightGrey #E8E8E8
   ===================================================================== */

:root {
  --retex-black:      #000000;
  --retex-white:      #ffffff;
  --retex-cyan:       #3ED6FF;
  --retex-blue:       #404AFF;
  --retex-green:      #00DA7F;
  --retex-orange:     #FF6C18;
  --retex-red:        #FF2821;
  --retex-dark-grey:  #4B4B4B;
  --retex-mid-grey:   #BDB8B8;
  --retex-light-grey: #E8E8E8;

  --md-primary-fg-color:        var(--retex-black);
  --md-primary-fg-color--light: #1a1a1a;
  --md-primary-fg-color--dark:  #000000;
  --md-primary-bg-color:        var(--retex-white);
  --md-accent-fg-color:         var(--retex-cyan);
  --md-accent-fg-color--transparent: rgba(62,214,255,0.1);
  --md-typeset-a-color:         var(--retex-blue);
}

/* ── Header ─────────────────────────────────────────────────────────── */
.md-header {
  background-color: var(--retex-black) !important;
  border-bottom: 2.5px solid var(--retex-cyan);
  box-shadow: none;
}

.md-header__title {
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  color: var(--retex-white) !important;
}

.md-header__button.md-logo img {
  height: 26px;
  width: auto;
  filter: brightness(0) invert(1); /* logo is black → invert to white on dark header */
}

.md-search__input {
  background-color: #1a1a1a;
  color: var(--retex-white);
  border-radius: 3px;
}
.md-search__input::placeholder { color: var(--retex-mid-grey); }

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.md-sidebar--primary { width: 15rem; }

/* Top-level section items (collapsible) — styled as section headers */
.md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--light) !important;
  padding: 0.6em 0 0.35em;
  border-top: 1px solid var(--md-default-fg-color--lightest);
  margin-top: 0.3em;
}

.md-nav--primary > .md-nav__list > .md-nav__item:first-child > .md-nav__link {
  border-top: none;
  margin-top: 0;
}

.md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link:hover {
  color: var(--md-default-fg-color) !important;
}

/* Active section header */
.md-nav--primary > .md-nav__list > .md-nav__item--active > .md-nav__link {
  color: var(--md-default-fg-color) !important;
}

/* Expand/collapse arrow — keep visible, style in Retex cyan */
.md-nav--primary > .md-nav__list > .md-nav__item > .md-nav__link .md-nav__icon {
  display: inline-flex !important;
  color: var(--retex-cyan);
  font-size: 0.65rem;
  margin-left: auto;
  opacity: 0.8;
  transition: transform 0.2s;
}

/* Rotate arrow when expanded */
.md-nav__item--nested .md-nav__toggle:checked ~ .md-nav__link .md-nav__icon {
  transform: rotate(90deg);
}

/* ⓘ index icon on page items (navigation.indexes) — hide it */
.md-nav__item:not(.md-nav__item--nested) .md-nav__link .md-nav__icon {
  display: none !important;
}

/* Page links inside sections */
.md-nav__link {
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
  padding: 0.25em 0;
  line-height: 1.4;
}

.md-nav__link:hover { color: var(--retex-blue) !important; }

.md-nav__link--active {
  color: var(--retex-blue) !important;
  font-weight: 600;
  border-left: 2px solid var(--retex-cyan);
  padding-left: 7px;
  margin-left: -9px;
}

/* Section children indent */
.md-nav--primary .md-nav__item--nested .md-nav {
  padding-left: 0.5em;
}

/* ── TOC integrated in sidebar ───────────────────────────────────────── */
.md-sidebar--primary .md-nav--secondary {
  margin-top: 1em;
  padding-top: 0.8em;
  border-top: 1px solid var(--md-default-fg-color--lightest);
}

.md-nav--secondary .md-nav__title {
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--lighter);
  background: none;
  padding: 0 0 0.5em;
}

.md-nav--secondary .md-nav__link {
  font-size: 0.76rem;
  color: var(--md-default-fg-color--light);
  padding: 0.22em 0;
}

.md-nav--secondary .md-nav__link--active {
  color: var(--retex-blue) !important;
  font-weight: 600;
  border-left: 2px solid var(--retex-cyan);
  padding-left: 7px;
  margin-left: -9px;
}

.md-nav--secondary .md-nav__link:hover { color: var(--retex-blue) !important; }

/* H3 entries indented */
.md-nav--secondary .md-nav .md-nav__link {
  font-size: 0.72rem;
  color: var(--md-default-fg-color--lighter);
  padding-left: 0.75em;
  border-left: none;
  margin-left: 0;
}

/* ── Content typography ──────────────────────────────────────────────── */
.md-typeset {
  font-size: 0.875rem;
  line-height: 1.7;
}

/* H1 — page title only */
.md-typeset h1 {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--md-default-fg-color);
  border-bottom: 2.5px solid var(--retex-cyan);
  padding-bottom: 0.3em;
  margin-top: 0;
  margin-bottom: 1em;
}

/* H2 — section headings (previously H1 in content) */
.md-typeset h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--md-default-fg-color);
  border-bottom: 1.5px solid var(--retex-cyan);
  padding-bottom: 0.25em;
  margin-top: 2em;
  margin-bottom: 0.6em;
}

/* H3 — subsections */
.md-typeset h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--md-typeset-a-color);
  margin-top: 1.5em;
  margin-bottom: 0.4em;
}

/* H4 */
.md-typeset h4 {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--md-default-fg-color--light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 1.2em;
}

/* Permalink anchor */
.md-typeset .headerlink {
  color: var(--retex-cyan);
  opacity: 0;
  transition: opacity 0.15s;
  margin-left: 0.3em;
}
.md-typeset h1:hover .headerlink,
.md-typeset h2:hover .headerlink,
.md-typeset h3:hover .headerlink { opacity: 1; }

.md-typeset a { color: var(--retex-blue); text-decoration: none; }
.md-typeset a:hover { text-decoration: underline; }

/* ── Tables ──────────────────────────────────────────────────────────── */
.md-typeset table:not([class]) {
  font-size: 0.82rem;
  border-collapse: collapse;
  width: 100%;
  margin: 1.2em 0;
}

.md-typeset table:not([class]) th {
  background-color: var(--retex-black);
  color: var(--retex-white);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.5em 0.85em;
  text-align: left;
  border: none;
}

.md-typeset table:not([class]) td {
  padding: 0.42em 0.85em;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  vertical-align: top;
}

.md-typeset table:not([class]) tr:nth-child(even) td { background-color: var(--md-default-bg-color--lightest); }
.md-typeset table:not([class]) tr:hover td { background-color: var(--md-accent-fg-color--transparent); }
.md-typeset table:not([class]) td:first-child { font-weight: 600; color: var(--md-default-fg-color--light); }

/* ── Code ────────────────────────────────────────────────────────────── */
.md-typeset pre > code {
  background-color: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-left: 3px solid var(--retex-cyan);
  border-radius: 0;
  font-size: 0.79rem;
}

.md-typeset code {
  background-color: rgba(62,214,255,0.08);
  color: var(--md-typeset-a-color);
  border-radius: 3px;
  font-size: 0.82em;
  padding: 0.1em 0.35em;
  font-weight: 500;
}

.highlight { background-color: var(--md-code-bg-color) !important; border-left: 3px solid var(--retex-cyan); }

/* ── Admonitions ─────────────────────────────────────────────────────── */
.md-typeset .admonition, .md-typeset details {
  border-left: 3px solid var(--retex-cyan);
  border-radius: 0;
  font-size: 0.85rem;
}
.md-typeset .admonition.warning { border-left-color: var(--retex-orange); }
.md-typeset .admonition.tip,
.md-typeset .admonition.success { border-left-color: var(--retex-green); }
.md-typeset .admonition.danger,
.md-typeset .admonition.error   { border-left-color: var(--retex-red); }
.md-typeset .admonition.example {
  border-left-color: #B45309;
  background-color: rgba(180,83,9,.07);
}
.md-typeset .admonition.example > .admonition-title {
  background-color: rgba(180,83,9,.12);
  color: var(--md-default-fg-color);
}
.md-typeset .admonition.example > .admonition-title::before {
  /* pencil icon override → use a subtle bullet symbol */
  background-color: #B45309;
}

/* ── Back to top ─────────────────────────────────────────────────────── */
.md-top {
  background-color: var(--retex-black) !important;
  color: var(--retex-cyan) !important;
  border: 1px solid var(--retex-cyan);
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 700;
  box-shadow: none;
}

/* ── Footer ──────────────────────────────────────────────────────────── */
.md-footer { background-color: var(--retex-black); border-top: 2px solid var(--retex-cyan); }
.md-footer-meta { background-color: #111111; }
.md-footer-meta__inner { font-size: 0.72rem; color: var(--retex-mid-grey); }

/* ── Content area ────────────────────────────────────────────────────── */
.md-content__inner { padding: 1.4rem 1.8rem 2.5rem; max-width: 820px; }

/* ── Scrollbar ───────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--md-default-fg-color--lightest); }
::-webkit-scrollbar-thumb { background: var(--retex-cyan); border-radius: 2px; }

/* ── Print ───────────────────────────────────────────────────────────── */
@media print {
  .md-header, .md-sidebar, .md-footer, .md-search { display: none !important; }
}

/* ── Right sidebar (TOC) ─────────────────────────────────────────────── */
.md-sidebar--secondary { width: 13rem; }

.md-sidebar--secondary .md-nav__title {
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--md-default-fg-color--lighter);
  padding: 0 0 0.5em;
  background: none;
}

.md-sidebar--secondary .md-nav__link {
  font-size: 0.76rem;
  color: var(--md-default-fg-color--light);
  padding: 0.22em 0;
  line-height: 1.35;
}

.md-sidebar--secondary .md-nav__link--active {
  color: var(--retex-blue) !important;
  font-weight: 600;
  border-left: 2px solid var(--retex-cyan);
  padding-left: 7px;
  margin-left: -9px;
}

.md-sidebar--secondary .md-nav__link:hover {
  color: var(--retex-blue) !important;
}

/* H3 entries in right TOC (indented) */
.md-sidebar--secondary .md-nav .md-nav__link {
  font-size: 0.71rem;
  color: var(--md-default-fg-color--lighter);
  padding-left: 0.75em;
}

/* ── Catalog badges & pills ──────────────────────────────────────────────── */

/* Domain badges */
.cat-badge {
  display: inline-block;
  padding: 0.18em 0.55em;
  border-radius: 3px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1.6;
  vertical-align: middle;
}

.dom-customer    { background: #3ED6FF22; color: #0ea5e9; border: 1px solid #3ED6FF55; }
.dom-commerce    { background: #404AFF22; color: #6366f1; border: 1px solid #404AFF55; }
.dom-order       { background: #00DA7F22; color: #10b981; border: 1px solid #00DA7F55; }
.dom-inventory   { background: #FF6B3522; color: #f97316; border: 1px solid #FF6B3555; }
.dom-fulfillment { background: #8B5CF622; color: #8b5cf6; border: 1px solid #8B5CF655; }
.dom-pricing     { background: #F59E0B22; color: #d97706; border: 1px solid #F59E0B55; }
.dom-promotion   { background: #EC489922; color: #ec4899; border: 1px solid #EC489955; }
.dom-loyalty     { background: #14B8A622; color: #0d9488; border: 1px solid #14B8A655; }
.dom-payment     { background: #EF444422; color: #ef4444; border: 1px solid #EF444455; }
.dom-store       { background: #6B728022; color: #6b7280; border: 1px solid #6B728055; }
.dom-default     { background: #4B4B4B22; color: #6b7280; border: 1px solid #4B4B4B55; }

/* Service / event / object pills */
.cat-pill {
  display: inline-block;
  padding: 0.12em 0.45em;
  border-radius: 100px;
  font-size: 0.64rem;
  font-weight: 500;
  white-space: nowrap;
  line-height: 1.7;
  vertical-align: middle;
  margin: 1px 2px;
}

.cat-event   { background: #00DA7F18; color: #10b981; border: 1px solid #00DA7F44; }
.cat-service { background: #404AFF18; color: #6366f1; border: 1px solid #404AFF44; }
.cat-object  { background: #3ED6FF18; color: #0ea5e9; border: 1px solid #3ED6FF44; }

.cat-empty { color: #aaaaaa; font-size: 0.75rem; }

/* Tab headers styling */
.md-typeset .tabbed-labels > label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ── Process cards ───────────────────────────────────────────────────────── */

.proc-card {
  border: 1px solid var(--md-default-fg-color--lightest, #e8e8e8);
  border-left: 3px solid var(--retex-blue, #404AFF);
  border-radius: 4px;
  padding: 1rem 1.25rem 0.75rem;
  margin-bottom: 1rem;
  background: var(--md-code-bg-color, #f8f8f8);
}

.proc-card h4 {
  margin-top: 0 !important;
  margin-bottom: 0.4rem !important;
  font-size: 0.95rem;
}

.proc-trigger {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15em 0.55em;
  border-radius: 3px;
  background: #3ED6FF18;
  color: #0ea5e9;
  border: 1px solid #3ED6FF44;
  margin-bottom: 0.6rem;
}

.proc-card blockquote {
  border-left: 2px solid var(--retex-cyan, #3ED6FF) !important;
  margin: 0.5rem 0 0.75rem !important;
  padding: 0.3rem 0.75rem !important;
  font-size: 0.83rem;
  color: var(--md-default-fg-color--light);
  background: transparent !important;
}

.proc-card p {
  margin: 0.35rem 0 !important;
  font-size: 0.82rem;
}

[data-md-color-scheme="slate"] .proc-card {
  border-color: #333333;
  border-left-color: var(--retex-blue, #404AFF);
  background: #1e1e1e;
}

/* ── Mobile / responsive overrides ──────────────────────────────────── */
/* These rules are placed last so they override earlier desktop defaults */

/* Tablet and below (< 76.25 em — Material theme's drawer breakpoint)   */
@media screen and (max-width: 76.1875em) {
  /* Reset custom sidebar widths so Material's drawer behaviour works   */
  .md-sidebar--primary   { width: var(--md-sidebar-width, 12.1rem); }
  .md-sidebar--secondary { width: var(--md-sidebar-width, 12.1rem); }

  /* Reduce horizontal padding on smaller screens                       */
  .md-content__inner { padding: 1rem 1rem 2rem; max-width: 100%; }
}

/* Phone portrait (< 45 em ≈ 720 px)                                    */
@media screen and (max-width: 44.9375em) {
  .md-content__inner { padding: 0.75rem 0.75rem 1.5rem; }

  /* Scale down page headings on narrow viewports                       */
  .md-typeset h1 { font-size: 1.45rem; }
  .md-typeset h2 { font-size: 1.1rem;  }

  /* Prevent wide tables from creating a full-page horizontal scroll    */
  .md-typeset table:not([class]) {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }
}



/* ── AI row — minimal, Vercel/Ultralytics-inspired ──────────────────── */
.uc-ai-explore {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .3rem .5rem;
  margin: .3rem 0 1.6rem;
  font-size: .73rem;
  line-height: 1;
  color: var(--md-default-fg-color--light);
}

.uc-ai-explore__icon {
  flex-shrink: 0;
  opacity: .55;
  margin-right: .1rem;
}

.uc-ai-explore__label {
  font-weight: 500;
  letter-spacing: .02em;
  opacity: .6;
  white-space: nowrap;
}

/* thin vertical rule between label and links */
.uc-ai-explore__divider {
  display: inline-block;
  width: 1px;
  height: .85em;
  background: currentColor;
  opacity: .2;
  margin: 0 .2rem;
  vertical-align: middle;
}

.uc-ai-sep {
  opacity: .3;
  user-select: none;
}

/* ghost pill — transparent, outline only */
.uc-ai-btn {
  display: inline-flex;
  align-items: center;
  padding: .22rem .6rem;
  border-radius: 99px;
  border: 1px solid currentColor;
  font-size: .7rem;
  font-weight: 500;
  text-decoration: none !important;
  color: var(--md-default-fg-color--light) !important;
  opacity: .55;
  transition: opacity .12s ease, color .12s ease, border-color .12s ease;
  white-space: nowrap;
}

.uc-ai-btn:hover {
  opacity: 1;
  color: var(--retex-cyan) !important;
  border-color: var(--retex-cyan) !important;
}

/* ── Top-right content action buttons (edit, copy) ───────────────────── */
/* Match Ultralytics: small, clean, icon-only, subtle */
.md-content__button.md-icon {
  color: var(--md-default-fg-color--light);
  opacity: .45;
  transition: opacity .15s ease, color .15s ease;
  margin: 0 .1rem;
  padding: .2rem;
  border-radius: .25rem;
}

.md-content__button.md-icon:hover {
  opacity: 1;
  color: var(--retex-cyan);
  background: transparent;
}

.md-content__button.md-icon svg {
  width: 1rem !important;
  height: 1rem !important;
  vertical-align: middle;
  display: block;
}