/* UVU Branding Colors */
:root {
  --uvu-green: #275D38;
  --uvu-black: #000000;
  --uvu-white: #FFFFFF;
  --uvu-green-light: #3a7d50;
  --uvu-green-dark: #1a4026;
}

/* Override Material theme colors with UVU branding */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: #275D38;
  --md-primary-fg-color--light: #3a7d50;
  --md-primary-fg-color--dark: #1a4026;
  --md-primary-bg-color: #FFFFFF;
  --md-primary-bg-color--light: #F5F5F5;
  
  --md-accent-fg-color: #FFA726;
  --md-accent-fg-color--transparent: rgba(255, 167, 38, 0.1);
  --md-accent-bg-color: #FFFFFF;
  --md-accent-bg-color--light: #FFFFFF;
}

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #3a7d50;
  --md-primary-fg-color--light: #4a9d60;
  --md-primary-fg-color--dark: #275D38;
  --md-primary-bg-color: #1a1a1a;
  --md-primary-bg-color--light: #2a2a2a;
  
  --md-accent-fg-color: #C6FF00;
  --md-accent-fg-color--transparent: rgba(198, 255, 0, 0.1);
}

/* Modern gradient header with UVU colors */
.md-header {
  background: linear-gradient(135deg, var(--uvu-green) 0%, var(--uvu-green-light) 100%);
  box-shadow: 0 2px 20px rgba(39, 93, 56, 0.2);
}

/* Smooth transitions */
* {
  transition: all 0.3s ease;
}

/* Animated hover effects for navigation */
.md-nav__link:hover {
  transform: translateX(5px);
  color: var(--md-accent-fg-color);
}

/* Card-like sections with UVU styling */
.md-typeset h2 {
  margin-top: 2em;
  padding: 1em;
  background: linear-gradient(to right, rgba(39, 93, 56, 0.1), transparent);
  border-left: 4px solid var(--uvu-green);
  border-radius: 0 8px 8px 0;
}

/* Enhanced code blocks with UVU colors */
.highlight {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(39, 93, 56, 0.1);
}

.highlight:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--uvu-green), var(--md-accent-fg-color));
}

/* Floating action buttons */
.md-content__button {
  transition: transform 0.3s ease;
}

.md-content__button:hover {
  transform: scale(1.1);
}

/* Enhanced Search Functionality */
.md-search__form {
  border-radius: 8px;
  background: linear-gradient(to right, var(--md-primary-bg-color--light), var(--md-primary-bg-color));
  border: 1px solid var(--md-accent-fg-color);
  transition: all 0.3s ease;
}

.md-search__form:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-1px);
}

.md-search__input {
  color: var(--md-primary-fg-color);
  font-weight: 500;
}

.md-search__input::placeholder {
  color: var(--md-primary-fg-color--light);
  opacity: 0.7;
}

/* Search Results Styling */
.md-search-result {
  border-radius: 6px;
  margin-bottom: 0.5em;
  transition: all 0.2s ease;
}

.md-search-result:hover {
  background: var(--md-accent-fg-color--transparent);
  transform: translateX(4px);
}

.md-search-result__title {
  font-weight: 600;
  color: var(--md-primary-fg-color);
}

.md-search-result__article {
  font-size: 0.8em;
  color: var(--md-accent-fg-color);
  font-weight: 500;
}

/* Highlight search terms */
.md-search-result mark {
  background: var(--md-accent-fg-color);
  color: var(--md-primary-bg-color);
  padding: 0.1em 0.2em;
  border-radius: 3px;
  font-weight: 600;
}

/* Search suggestions */
.md-search__suggest {
  color: var(--md-primary-fg-color--light);
  font-style: italic;
}

/* Progress indicator for search */
.md-search__form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--md-accent-fg-color), var(--md-primary-fg-color));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.md-search__form:focus-within::before {
  transform: scaleX(1);
}

/* Tab hover effects with UVU colors */
.md-tabs__link {
  position: relative;
  transition: color 0.3s ease;
}

.md-tabs__link:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--uvu-green);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.md-tabs__link:hover:after,
.md-tabs__link--active:after {
  width: 100%;
}

/* Glowing links */
.md-typeset a {
  position: relative;
  text-decoration: none;
  color: var(--uvu-green);
}

.md-typeset a:hover {
  text-shadow: 0 0 8px rgba(39, 93, 56, 0.3);
  color: var(--uvu-green-light);
}

/* Pulse animation for important elements */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(39, 93, 56, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(39, 93, 56, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(39, 93, 56, 0);
  }
}

.md-button--primary {
  animation: pulse 2s infinite;
  background-color: var(--uvu-green);
  border-color: var(--uvu-green);
}

.md-button--primary:hover {
  background-color: var(--uvu-green-light);
  border-color: var(--uvu-green-light);
}

/* Modern cards for content sections */
.md-typeset .admonition {
  border-radius: 12px;
  border: none;
  box-shadow: 0 4px 16px rgba(39, 93, 56, 0.1);
  overflow: hidden;
}

/* Gradient text for headings with UVU colors */
.md-typeset h1 {
  background: linear-gradient(135deg, var(--uvu-green), var(--uvu-green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  font-weight: 800;
}

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Enhanced footer with UVU colors */
.md-footer {
  background: linear-gradient(135deg, var(--uvu-green) 0%, var(--uvu-green-dark) 100%);
}

/* UVU branded info boxes */
.md-typeset .admonition.info,
.md-typeset details.info {
  border-left-color: var(--uvu-green);
}

.md-typeset .info > .admonition-title,
.md-typeset .info > summary {
  background-color: rgba(39, 93, 56, 0.1);
  border-left-color: var(--uvu-green);
}

/* UVU branded badges in homepage */
img[alt*="Course Status"],
img[alt*="Last Updated"],
img[alt*="License"] {
  filter: hue-rotate(90deg) saturate(0.8);
}

/* Reading Progress Indicators */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--md-accent-fg-color), var(--md-primary-fg-color));
  z-index: 1000;
  transition: width 0.3s ease;
}

/* Chapter progress in TOC */
.md-nav__item--active .md-nav__link::after {
  content: '📖';
  margin-left: auto;
  opacity: 0.7;
}

.md-nav__item--completed .md-nav__link::after {
  content: '✓';
  margin-left: auto;
  color: var(--md-accent-fg-color);
  font-weight: bold;
}

/* Section progress indicators */
.md-typeset h2, .md-typeset h3 {
  position: relative;
  scroll-margin-top: 4rem;
}

.md-typeset h2::before, .md-typeset h3::before {
  content: '';
  position: absolute;
  left: -1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 60%;
  background: var(--md-primary-fg-color--light);
  opacity: 0.3;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.md-typeset h2.in-view::before, .md-typeset h3.in-view::before {
  background: var(--md-accent-fg-color);
  opacity: 1;
  box-shadow: 0 0 8px var(--md-accent-fg-color);
}

/* Chapter completion tracking */
.chapter-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0;
  padding: 0.75rem;
  background: var(--md-primary-bg-color--light);
  border-radius: 6px;
  font-size: 0.9em;
}

.progress-bar {
  flex: 1;
  height: 6px;
  background: var(--md-primary-fg-color--light);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--md-accent-fg-color), var(--md-primary-fg-color));
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}

/* Enhanced reading time styling for consistency */
.md-typeset h1 + p strong:first-child {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85em;
  color: var(--md-primary-fg-color--light);
  font-weight: 500;
  margin-bottom: 1rem;
  padding: 0.4rem 0.8rem;
  background: var(--md-primary-bg-color--light);
  border-radius: 20px;
  border-left: 3px solid var(--md-accent-fg-color);
}

/* Ensure reading time estimates are easily scannable */
p:has(strong:contains("Estimated reading time")) {
  margin: 1rem 0 2rem 0;
}

/* Special styling for overview pages */
.md-typeset h1:contains("Track") + p,
.md-typeset h1:contains("Overview") + p,
.md-typeset h1:contains("Labs") + p {
  font-size: 0.9em;
  margin-bottom: 2rem;
}

/* Progress tracking for all content pages */
.md-content article {
  position: relative;
}

.md-content article::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 2rem;
  bottom: 2rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--md-accent-fg-color), transparent);
  opacity: 0.3;
  z-index: -1;
}

/* Interactive Chapter Navigation */
.chapter-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 2rem 0;
  padding: 1rem;
  background: linear-gradient(135deg, var(--md-primary-bg-color--light), var(--md-primary-bg-color));
  border-radius: 12px;
  border: 1px solid var(--md-primary-fg-color--light);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.nav-button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--md-accent-fg-color);
  color: var(--md-primary-bg-color);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
  min-width: 120px;
}

.nav-button:hover {
  background: var(--md-primary-fg-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
  color: var(--md-primary-bg-color);
}

.nav-button:active {
  transform: translateY(0);
}

.nav-button.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.nav-button--prev::before {
  content: '←';
  font-size: 1.2em;
}

.nav-button--next::after {
  content: '→';
  font-size: 1.2em;
}

/* Chapter overview widget */
.chapter-overview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  flex: 1;
  margin: 0 1rem;
}

.chapter-title {
  font-size: 0.9em;
  font-weight: 600;
  color: var(--md-primary-fg-color);
}

.chapter-progress-mini {
  display: flex;
  gap: 3px;
  align-items: center;
}

.progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--md-primary-fg-color--light);
  transition: all 0.2s ease;
}

.progress-dot.completed {
  background: var(--md-accent-fg-color);
  box-shadow: 0 0 6px var(--md-accent-fg-color);
}

.progress-dot.current {
  background: var(--md-primary-fg-color);
  transform: scale(1.3);
}

/* Quick chapter selector */
.quick-nav {
  position: fixed;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.quick-nav:hover {
  opacity: 1;
}

.quick-nav-button {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--md-primary-fg-color--light);
  margin: 6px 0;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.quick-nav-button:hover {
  background: var(--md-accent-fg-color);
  transform: scale(1.3);
}

.quick-nav-button.active {
  background: var(--md-primary-fg-color);
  transform: scale(1.5);
}

/* Table of Contents enhancements */
.md-nav--primary .md-nav__item {
  position: relative;
}

.md-nav--primary .md-nav__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.3s ease;
}

.md-nav--primary .md-nav__item--active::before {
  background: var(--md-accent-fg-color);
}

.md-nav--primary .md-nav__item.completed::before {
  background: linear-gradient(to bottom, var(--md-accent-fg-color), var(--md-primary-fg-color));
}

/* Chapter breadcrumb */
.chapter-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.5rem 0;
  font-size: 0.9em;
  color: var(--md-primary-fg-color--light);
}

.breadcrumb-separator {
  color: var(--md-accent-fg-color);
  font-weight: bold;
}

.breadcrumb-link {
  color: var(--md-primary-fg-color--light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb-link:hover {
  color: var(--md-accent-fg-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .chapter-navigation {
    flex-direction: column;
    gap: 1rem;
  }
  
  .chapter-overview {
    margin: 0;
    order: -1;
  }
  
  .nav-button {
    width: 100%;
    justify-content: center;
  }
  
  .quick-nav {
    display: none;
  }
} 