/* ============================================================
   IBM Carbon Design System — MkDocs Material Theme Override
   Fonts: IBM Plex Sans + IBM Plex Mono
   Colors: Carbon Gray 100 palette + IBM Blue 60
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,600;1,400&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,600;0,700;1,400&display=swap');

/* ── Typography ─────────────────────────────────────────── */
:root {
  --md-text-font: "IBM Plex Sans", sans-serif;
  --md-code-font: "IBM Plex Mono", monospace;
}

body {
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 400;
  letter-spacing: 0.01em;
}

/* ── Carbon Color Tokens ────────────────────────────────── */
/* Light mode — Carbon White / Gray 10 theme */
[data-md-color-scheme="carbon-light"] {
  /* Backgrounds */
  --md-default-bg-color:          #ffffff;
  --md-default-fg-color:          #161616;
  --md-default-fg-color--light:   #525252;
  --md-default-fg-color--lighter: #8d8d8d;

  /* Primary — IBM Blue 60 */
  --md-primary-fg-color:          #0f62fe;
  --md-primary-fg-color--light:   #4589ff;
  --md-primary-fg-color--dark:    #0043ce;
  --md-primary-bg-color:          #ffffff;

  /* Accent — IBM Teal 50 */
  --md-accent-fg-color:           #009d9a;
  --md-accent-fg-color--transparent: #009d9a1a;

  /* Sidebar */
  --md-sidebar-bg:                #f4f4f4;

  /* Code blocks */
  --md-code-bg-color:             #f4f4f4;
  --md-code-fg-color:             #161616;

  /* Typeset */
  --md-typeset-color:             #161616;
  --md-typeset-a-color:           #0f62fe;

  /* Admonition */
  --md-admonition-bg-color:       #f4f4f4;

  /* Footer */
  --md-footer-bg-color:           #161616;
  --md-footer-bg-color--dark:     #000000;
  --md-footer-fg-color:           #f4f4f4;
  --md-footer-fg-color--light:    #8d8d8d;
}

/* Dark mode — Carbon Gray 100 theme */
[data-md-color-scheme="carbon-dark"] {
  /* Backgrounds */
  --md-default-bg-color:          #161616;
  --md-default-fg-color:          #f4f4f4;
  --md-default-fg-color--light:   #c6c6c6;
  --md-default-fg-color--lighter: #8d8d8d;

  /* Primary — IBM Blue 40 (lighter for dark bg) */
  --md-primary-fg-color:          #161616;
  --md-primary-fg-color--light:   #4589ff;
  --md-primary-fg-color--dark:    #000000;
  --md-primary-bg-color:          #f4f4f4;

  /* Accent — IBM Teal 40 */
  --md-accent-fg-color:           #3ddbd9;
  --md-accent-fg-color--transparent: #3ddbd91a;

  /* Code blocks */
  --md-code-bg-color:             #262626;
  --md-code-fg-color:             #f4f4f4;

  /* Typeset */
  --md-typeset-color:             #f4f4f4;
  --md-typeset-a-color:           #4589ff;

  /* Admonition */
  --md-admonition-bg-color:       #262626;

  /* Footer */
  --md-footer-bg-color:           #000000;
  --md-footer-bg-color--dark:     #000000;
  --md-footer-fg-color:           #c6c6c6;
}

/* ── Header ─────────────────────────────────────────────── */
.md-header {
  background-color: #161616 !important;
  border-bottom: 1px solid #393939;
  box-shadow: none !important;
}

.md-header__title {
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  color: #f4f4f4 !important;
}

.md-header__button {
  color: #c6c6c6 !important;
}

/* ── Navigation Tabs ────────────────────────────────────── */
.md-tabs {
  background-color: #161616 !important;
  border-bottom: 1px solid #393939;
}

.md-tabs__link {
  color: #c6c6c6 !important;
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  opacity: 1 !important;
}

.md-tabs__link:hover {
  color: #f4f4f4 !important;
}

.md-tabs__link--active {
  color: #f4f4f4 !important;
  border-bottom: 2px solid #0f62fe;
  font-weight: 600;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.md-sidebar {
  background-color: #f4f4f4;
}

[data-md-color-scheme="carbon-dark"] .md-sidebar {
  background-color: #262626;
}

.md-nav__title {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #525252;
}

[data-md-color-scheme="carbon-dark"] .md-nav__title {
  color: #8d8d8d;
}

.md-nav__link {
  font-size: 0.8125rem;
  font-weight: 400;
  color: #525252 !important;
  border-left: 2px solid transparent;
  transition: border-color 0.1s, color 0.1s;
}

[data-md-color-scheme="carbon-dark"] .md-nav__link {
  color: #c6c6c6 !important;
}

.md-nav__link:hover {
  color: #161616 !important;
  border-left-color: #0f62fe;
}

[data-md-color-scheme="carbon-dark"] .md-nav__link:hover {
  color: #f4f4f4 !important;
}

.md-nav__link--active {
  color: #0f62fe !important;
  font-weight: 600;
  border-left: 2px solid #0f62fe;
}

/* ── Content Area ────────────────────────────────────────── */
.md-content__inner {
  max-width: 860px;
}

h1 {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: #161616;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

[data-md-color-scheme="carbon-dark"] h1 {
  color: #f4f4f4;
  border-bottom-color: #393939;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #161616;
  margin-top: 2rem;
}

[data-md-color-scheme="carbon-dark"] h2 {
  color: #f4f4f4;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #161616;
}

[data-md-color-scheme="carbon-dark"] h3 {
  color: #f4f4f4;
}

/* ── Links ───────────────────────────────────────────────── */
.md-typeset a {
  color: #0f62fe;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.1s;
}

.md-typeset a:hover {
  border-bottom-color: #0f62fe;
}

/* ── Code ────────────────────────────────────────────────── */
.md-typeset code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8125rem;
  background-color: #f4f4f4;
  color: #161616;
  border-radius: 0;
  padding: 0.1em 0.35em;
}

[data-md-color-scheme="carbon-dark"] .md-typeset code {
  background-color: #262626;
  color: #f4f4f4;
}

.md-typeset pre > code {
  font-size: 0.8125rem;
  line-height: 1.6;
}

/* Code block — Carbon style: no rounded corners */
.highlight {
  border-radius: 0 !important;
  border-left: 3px solid #0f62fe;
}

/* ── Tables ──────────────────────────────────────────────── */
.md-typeset table:not([class]) {
  border-collapse: collapse;
  font-size: 0.875rem;
  width: 100%;
}

.md-typeset table:not([class]) th {
  background-color: #e0e0e0;
  color: #161616;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  border: none;
  border-bottom: 2px solid #8d8d8d;
}

[data-md-color-scheme="carbon-dark"] .md-typeset table:not([class]) th {
  background-color: #393939;
  color: #f4f4f4;
  border-bottom-color: #6f6f6f;
}

.md-typeset table:not([class]) td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e0e0e0;
  vertical-align: top;
}

[data-md-color-scheme="carbon-dark"] .md-typeset table:not([class]) td {
  border-bottom-color: #393939;
}

.md-typeset table:not([class]) tr:hover td {
  background-color: #f4f4f4;
}

[data-md-color-scheme="carbon-dark"] .md-typeset table:not([class]) tr:hover td {
  background-color: #262626;
}

/* ── Admonitions (Carbon notification style) ─────────────── */
.md-typeset .admonition,
.md-typeset details {
  border-radius: 0 !important;
  border: none !important;
  border-left: 3px solid !important;
  box-shadow: none !important;
  font-size: 0.875rem;
}

.md-typeset .note > .admonition-title,
.md-typeset .note > summary {
  background-color: #edf5ff !important;
  color: #0043ce !important;
}
.md-typeset .note {
  border-left-color: #0f62fe !important;
  background-color: #edf5ff !important;
}

.md-typeset .tip > .admonition-title,
.md-typeset .tip > summary {
  background-color: #defbe6 !important;
  color: #044317 !important;
}
.md-typeset .tip {
  border-left-color: #24a148 !important;
  background-color: #defbe6 !important;
}

.md-typeset .warning > .admonition-title,
.md-typeset .warning > summary {
  background-color: #fdf6dd !important;
  color: #8e6a00 !important;
}
.md-typeset .warning {
  border-left-color: #f1c21b !important;
  background-color: #fdf6dd !important;
}

.md-typeset .danger,
.md-typeset .failure {
  border-left-color: #da1e28 !important;
  background-color: #fff1f1 !important;
}

.md-typeset .success {
  border-left-color: #24a148 !important;
  background-color: #defbe6 !important;
}

/* ── Search ──────────────────────────────────────────────── */
.md-search__form {
  border-radius: 0 !important;
  background-color: #393939 !important;
}

.md-search__input {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.875rem;
  color: #f4f4f4 !important;
}

.md-search__input::placeholder {
  color: #8d8d8d !important;
}

/* ── Footer ──────────────────────────────────────────────── */
.md-footer {
  background-color: #161616;
  border-top: 1px solid #393939;
}

.md-footer-meta {
  background-color: #000000;
}

.md-footer__title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Scrollbar (subtle Carbon style) ────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #8d8d8d;
}
::-webkit-scrollbar-thumb:hover {
  background: #6f6f6f;
}

/* ── Copy button ─────────────────────────────────────────── */
.md-clipboard {
  border-radius: 0 !important;
  color: #8d8d8d;
}
.md-clipboard:hover {
  color: #0f62fe;
  background-color: transparent;
}

/* ── Tag / badge style ───────────────────────────────────── */
.md-tag {
  border-radius: 0 !important;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
}