/* ============================================================
   Z-GRC  ·  Apple Developer Docs inspired dark theme
   Flat. Near-black. Typography does the work.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================================
   1. Color tokens  —  near-black, one neutral accent
   ============================================================ */
[data-md-color-scheme="slate"] {
  /* Surfaces  —  three flat steps, that's it */
  --md-default-bg-color:             #111113;   /* page background */
  --surface-1:                       #1a1a1d;   /* sidebars, cards, code blocks */
  --surface-2:                       #222226;   /* hover, inline code */
  --border:                          #2a2a2f;   /* all borders */
  --border-strong:                   #3a3a41;

  /* Text  —  four weights of white */
  --md-default-fg-color:             rgba(255, 255, 255, 0.92);
  --md-default-fg-color--light:      rgba(255, 255, 255, 0.66);
  --md-default-fg-color--lighter:    rgba(255, 255, 255, 0.44);
  --md-default-fg-color--lightest:   rgba(255, 255, 255, 0.12);

  /* Accent  —  Apple system blue, used sparingly */
  --md-primary-fg-color:             #2997ff;
  --md-primary-fg-color--light:      #5ab0ff;
  --md-primary-fg-color--dark:       #0071e3;
  --md-primary-bg-color:             #ffffff;
  --md-primary-bg-color--light:      rgba(255, 255, 255, 0.7);

  --md-accent-fg-color:              #2997ff;
  --md-accent-fg-color--transparent: rgba(41, 151, 255, 0.1);
  --md-accent-bg-color:              #ffffff;

  /* Code */
  --md-code-bg-color:                var(--surface-1);
  --md-code-fg-color:                rgba(255, 255, 255, 0.9);

  /* Typography */
  --md-text-font:    "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  --md-code-font:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Override Material's tooltip colors */
  --md-tooltip-bg-color:             var(--surface-1);
  --md-tooltip-fg-color:             rgba(255, 255, 255, 0.92);
}

/* ============================================================
   2. Base
   ============================================================ */
html { font-size: 16px; }

body {
  background: var(--md-default-bg-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* ============================================================
   3. Header  —  flat, thin border, no blur
   ============================================================ */
.md-header {
  background: var(--md-default-bg-color);
  border-bottom: 1px solid var(--border);
  box-shadow: none;
  height: 56px;
}

.md-header__inner { height: 56px; padding: 0 1.25rem; }

.md-header__title {
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  margin-left: 0.5rem;
  color: #ffffff !important;
}

.md-header__button.md-logo { margin: 0 0.5rem 0 0; }
.md-header__button.md-logo img,
.md-header__button.md-logo svg { height: 1.6rem; }

/* Header links white */
.md-header__topic,
.md-header a {
  color: #ffffff !important;
}

/* Tabs — remove the second-row clutter, just an underline */
.md-tabs {
  background: var(--md-default-bg-color);
  border-bottom: 1px solid var(--border);
  height: 44px;
}
.md-tabs__list { height: 44px; }
.md-tabs__item { height: 44px; padding: 0 0.9rem; }

.md-tabs__link {
  font-size: 0.82rem;
  font-weight: 500;
  opacity: 1;
  color: var(--md-default-fg-color--light);
  margin: 0;
}
.md-tabs__link:hover { color: var(--md-default-fg-color); opacity: 1; }
.md-tabs__link--active { color: var(--md-default-fg-color); font-weight: 600; }

/* ============================================================
   4. Search  —  clean input, no chrome
   ============================================================ */
.md-search__form {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 6px;
  height: 32px;
  transition: border-color 0.15s ease;
}
.md-search__form:hover { border-color: var(--border-strong); }
[data-md-toggle="search"]:checked ~ .md-header .md-search__form {
  border-color: var(--md-primary-fg-color);
  background: var(--surface-1);
}
.md-search__input { font-size: 0.82rem; }
.md-search__input::placeholder { color: var(--md-default-fg-color--lighter); }

.md-search__output {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 6px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}
.md-search-result__meta {
  background: transparent;
  color: var(--md-default-fg-color--lighter);
  border-bottom: 1px solid var(--border);
}
.md-search-result__article { padding: 0.5rem 1rem; }
.md-search-result__article:hover { background: var(--surface-2); }

/* ============================================================
   5. Sidebars  —  flat, thin border, no card
   ============================================================ */
.md-sidebar {
  padding: 1.25rem 0;
  width: 12.5rem;
}

/* Reduce sidebar width for more content space */
.md-sidebar--primary {
  width: 12.5rem;
}
.md-sidebar--secondary {
  width: 12.5rem;
}

/* Make grid use full width */
@media screen and (min-width: 76.25em) {
  .md-sidebar--primary {
    width: 12.5rem;
  }
  .md-sidebar--secondary {
    width: 12.5rem;
  }
}

.md-sidebar__scrollwrap {
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
  margin: 0;
}

/* Left nav */
.md-sidebar--primary .md-sidebar__inner {
  padding: 0 0.75rem 0 1rem;
}

/* Right TOC */
.md-sidebar--secondary .md-sidebar__inner {
  padding: 0 1rem 0 0.75rem;
  border-left: 1px solid var(--border);
}

@media screen and (max-width: 76.1875em) {
  .md-sidebar--primary {
    background: var(--surface-1);
    border-right: 1px solid var(--border);
  }
}

/* ============================================================
   6. Nav items  —  Apple sidebar: tight, quiet, single accent
   ============================================================ */
.md-nav { font-size: 0.78rem; }

.md-nav__title {
  color: var(--md-default-fg-color--lighter);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem 0.5rem;
}

.md-nav__list { padding: 0; }
.md-nav__item { padding: 0; margin: 0; }

.md-nav__link {
  color: var(--md-default-fg-color--light);
  border-radius: 4px;
  padding: 0.3rem 0.5rem;
  margin: 1px 0;
  font-weight: 400;
  transition: background 0.1s ease, color 0.1s ease;
  gap: 0.4rem;
}
.md-nav__link:hover { background: var(--surface-2); color: var(--md-default-fg-color); }

.md-nav__link--active,
.md-nav__item--active > .md-nav__link {
  color: var(--md-primary-fg-color) !important;
  background: transparent;
  font-weight: 500;
}

/* Section label at top of left nav */
.md-nav--primary > .md-nav__title {
  background: transparent;
  box-shadow: none;
  padding: 0 0.5rem 0.75rem;
}

/* Right TOC — tighter, no border accents */
.md-sidebar--secondary .md-nav__title { display: none; }
.md-sidebar--secondary .md-nav__link {
  padding: 0.25rem 0.5rem;
  font-size: 0.76rem;
}
.md-sidebar--secondary .md-nav__link--active {
  color: var(--md-primary-fg-color) !important;
  background: transparent;
}

/* ============================================================
   7. Main content  —  generous measure, Apple spacing
   ============================================================ */
.md-main__inner {
  margin-top: 0;
  max-width: none !important;
}
.md-content {
  padding: 1.5rem 0 4rem;
  max-width: none !important;
}
.md-content__inner {
  margin: 0 1.5rem;
  max-width: none !important;
  padding-top: 1rem;
}
.md-content__inner:before { height: 0; }

/* Force full width layout */
.md-grid {
  max-width: none !important;
  margin: 0 !important;
}

.md-main {
  max-width: none !important;
}

.md-typeset {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--md-default-fg-color);
}

.md-typeset p { margin: 0 0 1rem; }

/* Headings  —  Apple cadence */
.md-typeset h1 {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: #fff;
  margin: 0 0 0.5rem;
}
.md-typeset h2 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: #fff;
  margin: 3rem 0 1rem;
  padding: 0;
  border: none;
}
.md-typeset h3 {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 2rem 0 0.75rem;
}
.md-typeset h4 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin: 1.5rem 0 0.5rem;
}

/* Permalink anchors — hidden until hover */
.md-typeset .headerlink {
  color: var(--md-default-fg-color--lighter);
  opacity: 0;
  transition: opacity 0.15s ease;
}
.md-typeset h1:hover .headerlink,
.md-typeset h2:hover .headerlink,
.md-typeset h3:hover .headerlink,
.md-typeset h4:hover .headerlink { opacity: 1; }

/* Links */
.md-typeset a {
  color: var(--md-primary-fg-color);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.12s ease;
}
.md-typeset a:hover { border-bottom-color: var(--md-primary-fg-color); }

/* Lists */
.md-typeset ul,
.md-typeset ol { margin: 0 0 1rem 1.25rem; }
.md-typeset li { margin: 0.25rem 0; }
.md-typeset li > p { margin-bottom: 0.5rem; }

/* Horizontal rule */
.md-typeset hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

/* Blockquote */
.md-typeset blockquote {
  border-left: 2px solid var(--border-strong);
  color: var(--md-default-fg-color--light);
  padding-left: 1rem;
  margin-left: 0;
}

/* ============================================================
   8. Code blocks  —  flat, bordered, no decoration
   ============================================================ */
.md-typeset code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.08em 0.35em;
  font-size: 0.82em;
  font-weight: 500;
  color: var(--md-code-fg-color);
}

.md-typeset pre > code { padding: 0; border: none; background: transparent; }

.md-typeset .highlight {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 1.25rem 0;
  overflow: hidden;
  box-shadow: none;
}

.md-typeset .highlight > pre {
  margin: 0 !important;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}
.md-typeset .highlight > pre > code {
  padding: 1rem 1.25rem !important;
  font-family: var(--md-code-font);
  font-size: 0.8rem;
  line-height: 1.6;
  background: transparent !important;
}

/* line numbers table variant */
.md-typeset .highlighttable {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.md-typeset .highlighttable .linenos {
  background: transparent;
  color: var(--md-default-fg-color--lighter);
  border-right: 1px solid var(--border);
  padding: 1rem 0.75rem;
  user-select: none;
}
.md-typeset .highlighttable pre {
  margin: 0 !important;
  background: transparent !important;
  border: none !important;
}

/* copy button */
.md-clipboard {
  color: var(--md-default-fg-color--lighter);
  top: 0.4rem;
  right: 0.4rem;
}
.md-clipboard:hover { color: var(--md-default-fg-color); }

/* Clipboard notification/toast styling - dark theme fix */
/* Target all possible clipboard notification elements */
.md-tooltip,
.md-annotation__tooltip,
[id^="__tooltip"],
[id*="tooltip"] {
  background-color: var(--surface-1) !important;
  color: rgba(255, 255, 255, 0.95) !important;
  border: 1px solid var(--border-strong) !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6) !important;
  font-size: 0.85rem !important;
  font-weight: 500 !important;
}

/* Clipboard message specific */
.md-clipboard__message {
  background-color: var(--surface-1) !important;
  color: rgba(255, 255, 255, 0.95) !important;
}

/* Clipboard success state */
.md-clipboard--copied .md-clipboard__message,
.md-clipboard--copied .md-tooltip {
  background-color: var(--surface-1) !important;
  color: var(--md-primary-fg-color) !important;
  border-color: var(--md-primary-fg-color) !important;
}

/* Force dark background on all tooltip-like elements */
.md-snackbar,
[class*="clipboard"][class*="message"],
[role="tooltip"],
[data-md-component="tooltip"] {
  background-color: var(--surface-1) !important;
  color: rgba(255, 255, 255, 0.95) !important;
  border: 1px solid var(--border-strong) !important;
}

/* Override any light background colors */
[class*="tooltip"],
[class*="message"],
[class*="snackbar"] {
  background-color: var(--surface-1) !important;
  color: rgba(255, 255, 255, 0.95) !important;
}

/* ============================================================
   9. Admonitions  —  flat, thin left accent only
   ============================================================ */
.md-typeset .admonition,
.md-typeset details {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border-strong);
  border-radius: 6px;
  box-shadow: none;
  font-size: 0.85rem;
  padding: 0.1rem 0.9rem;
  margin: 1.25rem 0;
}
.md-typeset .admonition > .admonition-title,
.md-typeset details > summary {
  background: transparent !important;
  font-weight: 600;
  padding: 0.6rem 0 0.6rem 1.7rem;
  margin: 0 -0.9rem;
  border: none !important;
}
.md-typeset .admonition > .admonition-title::before,
.md-typeset details > summary::before { left: 0.6rem; top: 0.7rem; }

/* Note */
.md-typeset .admonition.note,
.md-typeset details.note { border-left-color: var(--md-primary-fg-color); }
.md-typeset .admonition.note > .admonition-title::before,
.md-typeset details.note > summary::before { background-color: var(--md-primary-fg-color); }

/* Warning */
.md-typeset .admonition.warning,
.md-typeset details.warning { border-left-color: #ff9f0a; }
.md-typeset .admonition.warning > .admonition-title::before,
.md-typeset details.warning > summary::before { background-color: #ff9f0a; }

/* Danger */
.md-typeset .admonition.danger,
.md-typeset details.danger { border-left-color: #ff453a; }
.md-typeset .admonition.danger > .admonition-title::before,
.md-typeset details.danger > summary::before { background-color: #ff453a; }

/* Tip / success */
.md-typeset .admonition.tip,
.md-typeset .admonition.success,
.md-typeset details.tip,
.md-typeset details.success { border-left-color: #30d158; }
.md-typeset .admonition.tip > .admonition-title::before,
.md-typeset .admonition.success > .admonition-title::before,
.md-typeset details.tip > summary::before,
.md-typeset details.success > summary::before { background-color: #30d158; }

/* ============================================================
   10. Tables
   ============================================================ */
.md-typeset table:not([class]) {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: none;
  font-size: 0.85rem;
  overflow: hidden;
}
.md-typeset table:not([class]) th {
  background: var(--surface-1);
  color: var(--md-default-fg-color);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 0.9rem;
}
.md-typeset table:not([class]) td {
  border-top: 1px solid var(--border);
  padding: 0.6rem 0.9rem;
}
.md-typeset table:not([class]) tr:hover { background: var(--surface-1); }

/* ============================================================
   11. Tabs (pymdownx.tabbed)
   ============================================================ */
.md-typeset .tabbed-set {
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
  margin: 1.25rem 0;
}
.md-typeset .tabbed-labels {
  border-bottom: 1px solid var(--border);
  padding: 0;
  box-shadow: none;
}
.md-typeset .tabbed-labels > label {
  padding: 0.55rem 0.9rem;
  margin: 0;
  border-radius: 0;
  color: var(--md-default-fg-color--light);
  font-weight: 500;
  font-size: 0.82rem;
  transition: color 0.15s ease, box-shadow 0.15s ease;
}
.md-typeset .tabbed-labels > label:hover { color: var(--md-default-fg-color); }
.md-typeset .tabbed-set > input:checked + label {
  color: var(--md-primary-fg-color);
  background: transparent;
  box-shadow: inset 0 -2px 0 var(--md-primary-fg-color);
}
.md-typeset .tabbed-content { padding: 1rem 0 0; }

/* ============================================================
   12. Buttons
   ============================================================ */
.md-typeset .md-button {
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--md-default-fg-color);
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.45rem 1rem;
  transition: background 0.12s ease, border-color 0.12s ease;
}
.md-typeset .md-button:hover {
  background: var(--surface-1);
  border-color: var(--md-default-fg-color--light);
  color: var(--md-default-fg-color);
}
.md-typeset .md-button--primary {
  background: var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
  color: #fff;
}
.md-typeset .md-button--primary:hover {
  background: var(--md-primary-fg-color--dark);
  border-color: var(--md-primary-fg-color--dark);
  color: #fff;
}

/* ============================================================
   13. Footer
   ============================================================ */
.md-footer {
  background: var(--md-default-bg-color);
  border-top: 1px solid var(--border);
}
.md-footer-meta { background: var(--md-default-bg-color); }
.md-footer__inner { padding: 1rem 1.25rem; }
.md-footer__title { font-size: 0.8rem; }
.md-footer__link { opacity: 1; }
.md-footer__button { color: var(--md-default-fg-color--light); }
.md-footer-meta__inner { padding: 0.75rem 1.25rem; font-size: 0.78rem; }
.md-footer-copyright { color: var(--md-default-fg-color--lighter); }
.md-footer-social__link { color: var(--md-default-fg-color--light); }
.md-footer-social__link:hover { color: var(--md-default-fg-color); }

/* Back to top */
.md-top {
  background: var(--surface-1);
  border: 1px solid var(--border);
  color: var(--md-default-fg-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}
.md-top:hover { background: var(--surface-2); color: var(--md-default-fg-color); }

/* ============================================================
   14. Scrollbar, selection, focus
   ============================================================ */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: #4a4a52; }

::selection {
  background: rgba(41, 151, 255, 0.35);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--md-primary-fg-color);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============================================================
   15. Misc cleanup
   ============================================================ */
/* Remove Material's default content-side rule between nav/content */
.md-sidebar--primary { box-shadow: none; }

/* Kbd styling */
.md-typeset kbd {
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  color: var(--md-default-fg-color);
  font-size: 0.75rem;
  padding: 0.1em 0.4em;
  box-shadow: none;
}

/* Progress bar on instant-nav */
.md-progress { background: var(--md-primary-fg-color); }

/* ============================================================
   16. Page title customization
   ============================================================ */
/* Page titles are shown by default on all pages */
/* Individual pages can override this with inline styles if needed */

/* ============================================================
   17. Dialog / Modal customization
   ============================================================ */
.md-dialog {
  background-color: #30d158;
  border-radius: .1rem;
  bottom: .8rem;
  box-shadow: var(--md-shadow-z3);
  min-width: 11.1rem;
  opacity: 0;
  padding: .4rem .6rem;
  pointer-events: none;
  position: fixed;
  transform: translateY(100%);
  transition: transform 0ms .4s, opacity .4s;
  z-index: 4;
  color: #ffffff;
  font-weight: 500;
}

.md-dialog--active {
  transform: translateY(0);
  transition: transform .4s cubic-bezier(.075,.82,.165,1), opacity .4s;
  opacity: 1;
}

/* Print mode - hide dialog */
@media print {
  .md-dialog {
    display: none;
  }
}

/* ============================================================
   18. Consolidated Clipboard/Tooltip/Snackbar Dark Theme
   ============================================================ */
/* High specificity to override Material's defaults */
body .md-clipboard__message,
body .md-snackbar,
body .md-snackbar__inner,
body .md-tooltip,
html body .md-clipboard__message,
html body .md-snackbar,
html body .md-tooltip,
.md-annotation__tooltip,
[role="status"],
[role="alert"],
[data-md-component="announce"],
[id^="__tooltip_"],
html body [class*="clipboard"],
html body [class*="snackbar"],
html body [class*="toast"] {
  background-color: var(--surface-1) !important;
  color: var(--md-default-fg-color) !important;
  border: 1px solid var(--border-strong) !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6) !important;
  font-weight: 500 !important;
  font-size: 0.85rem !important;
}

/* Ensure children inherit correct colors */
body .md-tooltip *,
body .md-clipboard__message *,
body .md-snackbar *,
html body .md-tooltip *,
html body .md-clipboard__message *,
html body .md-snackbar * {
  color: var(--md-default-fg-color) !important;
  background: transparent !important;
}