/* Custom styles for Knowledge Graph Plugin v0.0.8.6
   Theme customization, typography, and visual enhancements */

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

/* ============================================================
   Typography: Custom Font Families
   ============================================================ */

:root {
  /* Text font: Inter (clean, modern, accessible) */
  --md-text-font: 'Inter', sans-serif;

  /* Code font: JetBrains Mono (monospace coding) */
  --md-code-font: 'JetBrains Mono', monospace;
}

/* ============================================================
   Dark Mode (Default) - Slate Scheme
   ============================================================ */

[data-md-color-scheme="slate"] {
  /* Primary colors */
  --md-primary-fg-color: #1a1a2e;        /* Deep navy background */
  --md-primary-fg-color--light: #3d3d5c; /* Lighter navy for hover */
  --md-primary-fg-color--lighter: #5a5a7a; /* Even lighter for focus */

  /* Accent colors */
  --md-accent-fg-color: #00d2ff;         /* Electric cyan */
  --md-accent-fg-color--transparent: rgba(0, 210, 255, 0.1);

  /* Text contrast (WCAG AA: 4.5:1 minimum for body text) */
  --md-typeset-color: #e8e8f0;           /* Light text on dark bg */

  /* Link colors (WCAG AA compliant) */
  --md-typeset-a-color: #00d2ff;         /* Electric cyan links */
}

/* ============================================================
   Light Mode - Default Scheme
   ============================================================ */

[data-md-color-scheme="default"] {
  /* Primary colors */
  --md-primary-fg-color: #003d82;        /* Deep blue */
  --md-primary-fg-color--light: #0051a3;
  --md-primary-fg-color--lighter: #0066cc;

  /* Accent colors */
  --md-accent-fg-color: #ff6b35;         /* Warm orange */
  --md-accent-fg-color--transparent: rgba(255, 107, 53, 0.1);

  /* Text contrast (WCAG AA) */
  --md-typeset-color: #1a1a1a;           /* Dark text on light bg */

  /* Link colors */
  --md-typeset-a-color: #0051a3;         /* Deep blue links */
}

/* ============================================================
   Glassmorphism Header Effect
   ============================================================ */

.md-header {
  /* Backdrop blur for modern glassmorphic effect */
  backdrop-filter: blur(10px);
  background-color: rgba(26, 26, 46, 0.85); /* Semi-transparent with slight opacity */
  -webkit-backdrop-filter: blur(10px);      /* Safari support */

  /* Ensure text remains readable against blurred background */
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Light mode: use Material theme defaults (already looks great - no overrides needed) */

/* ============================================================
   Code Block Enhancements
   ============================================================ */

/* Code copy button styling */
.md-typeset .md-copy {
  color: var(--md-accent-fg-color);
  opacity: 0.7;
  transition: opacity 0.2s ease-in-out;
}

.md-typeset .md-copy:hover {
  opacity: 1;
  color: var(--md-accent-fg-color--light);
}

/* Inline code styling */
.md-typeset code {
  background-color: rgba(0, 210, 255, 0.1);
  color: var(--md-accent-fg-color);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: var(--md-code-font);
  font-size: 0.95em;
}

[data-md-color-scheme="default"] .md-typeset code {
  background-color: rgba(0, 81, 163, 0.08);
  color: #0051a3;
}

/* ============================================================
   Navigation Enhancements
   ============================================================ */

/* Sticky tabs already configured in mkdocs.yml
   This section provides visual enhancements */

.md-tabs {
  background-color: rgba(26, 26, 46, 0.95);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.md-tabs__item {
  color: rgba(232, 232, 240, 0.7);
  transition: color 0.2s ease-in-out;
}

.md-tabs__item:hover {
  color: #00d2ff;
}

.md-tabs__item--active {
  color: #00d2ff;
  border-bottom-color: #00d2ff;
}

[data-md-color-scheme="default"] .md-tabs {
  background-color: rgba(255, 255, 255, 0.98);
}

[data-md-color-scheme="default"] .md-tabs__item {
  color: rgba(0, 0, 0, 0.6);
}

[data-md-color-scheme="default"] .md-tabs__item--active {
  color: #0051a3;
  border-bottom-color: #0051a3;
}

/* ============================================================
   Table of Contents Sidebar (Integrated)
   ============================================================ */

.md-nav__list {
  font-family: var(--md-text-font);
}

.md-nav__link {
  color: rgba(232, 232, 240, 0.8);
  transition: color 0.2s ease-in-out;
}

.md-nav__link:hover {
  color: #00d2ff;
}

.md-nav__link--active {
  color: #00d2ff;
  font-weight: 500;
}

[data-md-color-scheme="default"] .md-nav__link {
  color: rgba(0, 0, 0, 0.75);
}

[data-md-color-scheme="default"] .md-nav__link--active {
  color: #0051a3;
}

/* ============================================================
   Breadcrumb Navigation (navigation.path)
   ============================================================ */

.md-breadcrumbs {
  font-size: 0.9em;
  margin-bottom: 1em;
  color: rgba(232, 232, 240, 0.6);
}

[data-md-color-scheme="default"] .md-breadcrumbs {
  color: rgba(0, 0, 0, 0.6);
}

/* ============================================================
   Admonition Styling (Callouts)
   ============================================================ */

.admonition {
  border-left-width: 4px;
  border-radius: 4px;
}

/* Note admonition */
.admonition.note {
  border-left-color: #00d2ff;
  background-color: rgba(0, 210, 255, 0.08);
}

.admonition.note > .admonition-title {
  color: #00d2ff;
}

/* Tip admonition */
.admonition.tip {
  border-left-color: #4caf50;
  background-color: rgba(76, 175, 80, 0.08);
}

.admonition.tip > .admonition-title {
  color: #4caf50;
}

/* Warning admonition */
.admonition.warning {
  border-left-color: #ff9800;
  background-color: rgba(255, 152, 0, 0.08);
}

.admonition.warning > .admonition-title {
  color: #ff9800;
}

/* Info admonition */
.admonition.info {
  border-left-color: #2196f3;
  background-color: rgba(33, 150, 243, 0.08);
}

.admonition.info > .admonition-title {
  color: #2196f3;
}

/* ============================================================
   Mermaid Diagram Styling
   ============================================================ */

.mermaid {
  background-color: rgba(26, 26, 46, 0.3);
  border-radius: 8px;
  padding: 1.5em;
  margin: 1.5em 0;
  border: 1px solid rgba(0, 210, 255, 0.15);
  display: flex;
  justify-content: center;
  align-items: center;
}

[data-md-color-scheme="default"] .mermaid {
  background-color: rgba(0, 81, 163, 0.05);
  border-color: rgba(0, 81, 163, 0.2);
}

/* ============================================================
   Search Box Enhancement
   ============================================================ */

.md-search__input {
  font-family: var(--md-text-font);
  background-color: rgba(0, 0, 0, 0.2);
  color: #e8e8f0;
}

.md-search__input::placeholder {
  color: rgba(232, 232, 240, 0.5);
}

[data-md-color-scheme="default"] .md-search__input {
  background-color: rgba(0, 0, 0, 0.05);
  color: #1a1a1a;
}

[data-md-color-scheme="default"] .md-search__input::placeholder {
  color: rgba(0, 0, 0, 0.4);
}

/* ============================================================
   Footer Navigation (navigation.footer)
   ============================================================ */

.md-footer-nav__link {
  font-family: var(--md-text-font);
  color: var(--md-accent-fg-color);
  transition: opacity 0.2s ease-in-out;
}

.md-footer-nav__link:hover {
  opacity: 0.8;
}

/* ============================================================
   Grid Cards (for homepage and section intros)
   ============================================================ */

.grid {
  display: grid;
  grid-gap: 1.5em;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin: 1.5em 0;
}

.grid-item {
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: 6px;
  padding: 1.5em;
  background-color: rgba(0, 210, 255, 0.05);
  transition: all 0.2s ease-in-out;
}

.grid-item:hover {
  border-color: var(--md-accent-fg-color);
  background-color: rgba(0, 210, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0, 210, 255, 0.15);
}

.grid-item h3 {
  color: var(--md-accent-fg-color);
  margin-top: 0;
}

[data-md-color-scheme="default"] .grid-item {
  border-color: rgba(0, 81, 163, 0.2);
  background-color: rgba(0, 81, 163, 0.05);
}

[data-md-color-scheme="default"] .grid-item:hover {
  border-color: #0051a3;
  background-color: rgba(0, 81, 163, 0.1);
  box-shadow: 0 4px 12px rgba(0, 81, 163, 0.15);
}

[data-md-color-scheme="default"] .grid-item h3 {
  color: #0051a3;
}

/* ============================================================
   Print Media (for documentation export)
   ============================================================ */

@media print {
  .md-header,
  .md-sidebar,
  .md-footer {
    display: none;
  }

  body {
    background-color: white;
    color: black;
  }
}