/* Custom styles extending pydata-sphinx-theme for latents documentation. */

:root {
  /* RTD flyout integration (inherits theme + uses accent) */
  --readthedocs-flyout-background-color: var(--pst-color-surface);
  --readthedocs-flyout-color: var(--pst-color-text-base);
  --readthedocs-flyout-link-color: var(--pst-color-link);
  --readthedocs-flyout-item-link-color: var(--pst-color-link);
  --readthedocs-flyout-font-family: var(--pst-font-family-base);
  --readthedocs-flyout-section-heading-color: var(--pst-color-text-muted);
  --readthedocs-flyout-current-version-color: var(--pst-color-link);
}

/* =============================================================================
   NAVBAR LOGO
   Size and hover effects for the header logo
   ============================================================================= */

/* Logo size and hover transition */
.navbar-brand .logo__image {
  height: 2.5rem;
  width: auto;
  transition: opacity 0.15s ease;
}

/* Hover effect */
.navbar-brand:hover .logo__image {
  opacity: 0.80;
}

/* Remove default link underline on logo */
.navbar-brand {
  text-decoration: none !important;
}

/* =============================================================================
   LANDING PAGE: HERO SECTION
   Main hero container with title, tagline, description, and artwork
   ============================================================================= */

/* Hero section container - background matches artwork left edge */
.hero-section {
  background-color: #141720;  /* Match hero artwork background (light mode) */
  border-radius: 12px;
  padding: 0;  /* Remove padding, let content control spacing */
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  min-height: 180px;
}

/* Dark mode: theme applies filter to images, so background needs adjustment */
html[data-theme="dark"] .hero-section {
  background-color: #000006;
}

/* Hero text container (left side) */
.hero-section .sd-row {
  margin: 0;
  align-items: center;
}

/* Constrain text to left portion, leave room for artwork */
.hero-section .sd-col:first-child {
  padding: 2rem 2rem 2rem 2rem;
  max-width: 55%;  /* Prevent text from extending under artwork */
  box-sizing: border-box;
}

/* Hero tagline (rubric) */
.hero-section .rubric {
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: #ced6dd;  /* --pst-color-text-base, dark mode */
  border: none;
  line-height: 1.3;
}

/* Hero description */
.hero-section p {
  font-size: 1.1rem;
  color: #9ca4af;  /* --pst-color-text-muted, dark mode */
  line-height: 1.6;
  margin-bottom: 0;
}

/* Hero artwork - positioned to fill right side */
.hero-section .hero-image {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: auto;
  border-radius: 0;
}

/* Hide the grid-item container since image is absolutely positioned */
.hero-artwork {
  display: contents;
}

/* =============================================================================
   LANDING PAGE: FEATURE HIGHLIGHTS
   Three columns outside the hero box
   ============================================================================= */

.feature-highlights {
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.feature-highlights .sd-col p strong {
  color: var(--pst-color-text-base);
  font-size: 1.3rem;
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

.feature-highlights .sd-col p {
  font-size: 1rem;
  color: var(--pst-color-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* =============================================================================
   LANDING PAGE: NAVIGATION CARDS
   Cards linking to key sections of the documentation
   ============================================================================= */

/* Nav section container */
.nav-section {
  background-color: var(--pst-color-surface);
  border-radius: 12px;
  padding: 1.5rem 2rem;
}

.nav-cards {
  margin: 0;
}

/* Nav cards */
.nav-card {
  background-color: var(--pst-color-text-muted) !important;
  border: none !important;
  border-radius: 12px !important;
  padding: 1.5rem 1rem !important;
  min-height: 140px;
  transition: background-color 0.05s ease;
  box-shadow: none !important;  /* Remove sphinx-design shadow */
}

/* Ensure inner elements have NO separate background */
.nav-card .sd-card-body,
.nav-card .sd-card-text {
  background: transparent !important;
}

/* Card body layout */
.nav-card .sd-card-body {
  padding: 0 !important;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

/* Icon: white on dark card */
.nav-card .sd-octicon {
  color: var(--pst-color-background) !important;
  fill: var(--pst-color-background) !important;
}

/* Text: white on dark card */
.nav-card .sd-card-text {
  margin: 0;
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--pst-color-background) !important;
  text-align: center;
}

/* Hover: swap background with dark text */
.nav-card:hover {
  background-color: var(--pst-color-text-base) !important;
  transform: none !important;
}

.nav-card:hover .sd-octicon {
  color: var(--pst-color-background) !important;
  fill: var(--pst-color-background) !important;
}

.nav-card:hover .sd-card-text {
  color: var(--pst-color-background) !important;
}

/* =============================================================================
   SPHINX-GALLERY THUMBNAILS
   Hover effects for example thumbnails in gallery
   ============================================================================= */

.sphx-glr-thumbcontainer {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border-radius: 8px;
}

.sphx-glr-thumbcontainer:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* Dark mode: stronger shadow for visibility */
html[data-theme="dark"] .sphx-glr-thumbcontainer:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

/* =============================================================================
   MERMAID DIAGRAMS
   Size utilities for mermaid-generated diagrams
   ============================================================================= */

/* Force SVG to scale within container */
.mermaid svg {
  max-width: 100% !important;
  height: auto !important;
}

.mermaid-sm .mermaid { max-width: 22rem; }
.mermaid-md .mermaid { max-width: 34rem; }
.mermaid-lg .mermaid { max-width: 47rem; }

/* =============================================================================
   CODE BLOCKS
   Syntax highlighting and code presentation
   ============================================================================= */

/* Ensure code blocks have consistent styling */
div.highlight pre {
  border-radius: 6px;
}

/* Copy button positioning (if not default) */
button.copybtn {
  top: 0.5rem;
  right: 0.5rem;
}

/* =============================================================================
   RESPONSIVE ADJUSTMENTS
   Mobile and tablet optimizations
   ============================================================================= */

@media (max-width: 768px) {
  /* Hero section responsive */
  .hero-section {
    min-height: auto;
  }

  .hero-section .sd-col {
    padding: 1.5rem 1.25rem;
  }

  .hero-section .rubric {
    font-size: 1.3rem;
  }

  /* Hide artwork on mobile to avoid overlap */
  .hero-artwork {
    display: none;
  }

  .feature-highlights {
    margin-top: 1rem;
    padding-top: 1rem;
  }

  /* Nav section responsive */
  .nav-section {
    padding: 1rem;
  }

  .nav-card {
    padding: 1rem 0.75rem !important;
    min-height: 100px;
  }

  .nav-card .sd-card-text {
    font-size: 1rem;
  }

  /* Smaller thumbnails on mobile */
  .sphx-glr-thumbcontainer {
    margin: 5px;
  }
}