/* Custom CSS for DUST 2025 Open Science Training */
/* University of Arizona DUST Superfund Research Center */

/* UA Color Scheme */
[data-md-color-scheme="ua"] {
  --md-primary-fg-color:        #AB0520;  /* Arizona Red */
  --md-primary-fg-color--light: #E48C88;  /* Light Red */
  --md-primary-fg-color--dark:  #8B0015;  /* Dark Red */
  --md-accent-fg-color:         #378DBD;  /* Oasis Blue */
  --md-accent-fg-color--light:  #81D3EB;  /* Light Blue */
  --md-accent-fg-color--dark:   #0C234B;  /* Arizona Blue */
}

/* Root variables for consistent theming */
:root {
  --md-primary-fg-color: #AB0520;  /* Arizona Red */
  --md-accent-fg-color: #378DBD;   /* Oasis Blue */
}

/* Improve readability of long-form content */
.md-typeset {
  font-size: 0.9rem;
  line-height: 1.7;
}

.md-typeset h1 {
  font-weight: 700;
  margin-top: 0;
}

.md-typeset h2 {
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  padding-bottom: 0.5rem;
}

/* Improve spacing for lesson objectives and admonitions */
.md-typeset .admonition {
  margin: 1.5em 0;
}

.md-typeset .admonition-title {
  font-weight: 600;
}

/* Style for call-out cards on homepage */
.md-typeset .grid.cards {
  margin-top: 2rem;
}

/* Better code block styling */
.md-typeset pre > code {
  border-radius: 0.2rem;
}

.md-typeset .highlight {
  margin: 1.5em 0;
}

/* Improve table styling */
.md-typeset table:not([class]) {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.2rem;
}

.md-typeset table:not([class]) th {
  background-color: var(--md-default-fg-color--lightest);
  font-weight: 600;
}

/* Button styling for lesson navigation */
.md-button {
  margin: 0.5rem 0.25rem;
}

.md-button--primary {
  background-color: var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
  color: white;
}

.md-button--primary:hover {
  opacity: 0.9;
}

/* Figure captions */
.md-typeset figcaption {
  font-size: 0.85rem;
  font-style: italic;
  text-align: center;
  color: var(--md-default-fg-color--light);
  margin-top: 0.5rem;
}

/* Improve quiz/question styling */
.md-typeset details {
  margin: 1.5em 0;
}

.md-typeset details > summary {
  cursor: pointer;
  padding: 0.5rem 0;
  font-weight: 500;
}

.md-typeset details[open] > summary {
  margin-bottom: 1rem;
}

/* Tabs styling */
.md-typeset .tabbed-set {
  margin: 1.5em 0;
}

.md-typeset .tabbed-labels {
  margin-bottom: 0;
}

/* Footer improvements */
.md-footer__link {
  padding: 1rem 0;
}

/* Search highlighting */
.md-search-result mark {
  background-color: var(--md-accent-fg-color);
  color: white;
}

/* Improve task list appearance */
.md-typeset .task-list-item input[type="checkbox"] {
  margin-right: 0.5rem;
}

/* Responsive adjustments */
@media screen and (max-width: 76.1875em) {
  .md-typeset {
    font-size: 0.85rem;
  }
}

/* Print styles */
@media print {
  .md-header,
  .md-footer,
  .md-sidebar,
  .md-nav__link--active,
  .md-content__button {
    display: none !important;
  }

  .md-content {
    max-width: 100% !important;
  }

  .md-typeset a::after {
    content: " (" attr(href) ")";
    font-size: 0.85em;
  }
}

/* Accessibility improvements */
.md-typeset a:focus,
.md-button:focus {
  outline: 2px solid var(--md-accent-fg-color);
  outline-offset: 2px;
}

/* Skip to content link for keyboard navigation */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--md-primary-fg-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-to-content:focus {
  top: 0;
}

/* Custom styling for lesson info boxes */
.md-typeset .admonition.info.lesson-overview {
  border-left: 0.25rem solid #448aff;
}

.md-typeset .admonition.success.learning-objectives {
  border-left: 0.25rem solid #00c853;
}

/* Enhance visibility of external links */
.md-typeset a[href^="http"]::after {
  content: " \2197";
  font-size: 0.8em;
  color: var(--md-default-fg-color--light);
}

.md-typeset a[href^="http"][target="_blank"]::after {
  content: " \2197";
}

/* Don't show icon for buttons and specific elements */
.md-button::after,
.md-typeset .md-nav__link::after,
.md-typeset img + a::after {
  content: none !important;
}