/* Mermaid diagram styling */
.mermaid {
  text-align: center;
  margin: 1em 0;
}

/* Image enhancements */
img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Figure captions */
figure {
  text-align: center;
  margin: 2em 0;
}

figcaption {
  font-style: italic;
  color: var(--md-default-fg-color--light);
  margin-top: 0.5em;
}

/* Image zoom on hover */
.zoom-image {
  transition: transform 0.3s ease;
  cursor: pointer;
}

.zoom-image:hover {
  transform: scale(1.05);
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.back-to-top:hover {
  background: var(--md-accent-fg-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--md-default-bg-color);
}

::-webkit-scrollbar-thumb {
  background: var(--md-primary-fg-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--md-accent-fg-color);
}

/* Enhanced code blocks */
.highlight {
  border-radius: 6px;
  overflow: hidden;
}

/* Smooth animations for theme switching */
* {
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom admonition styling */
.md-typeset .admonition {
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Table enhancements */
.md-typeset table:not([class]) {
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Reading time indicator */
.reading-time {
  font-family: var(--md-text-font);
}

/* Help modal styling */
.help-content {
  background: var(--md-default-bg-color);
  padding: 2rem;
  border-radius: 8px;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.shortcut-list {
  margin: 1rem 0;
}

.shortcut-list div {
  margin: 0.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

kbd {
  background: var(--md-default-fg-color--lightest);
  border: 1px solid var(--md-default-fg-color--lighter);
  border-radius: 3px;
  padding: 2px 6px;
  font-size: 0.8em;
  font-family: monospace;
}

.close-help {
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
  margin-top: 1rem;
}

/* Active TOC link highlighting */
.md-nav--secondary a.active {
  color: var(--md-accent-fg-color) !important;
  font-weight: 600;
}

/* Print styles */
@media print {
  .back-to-top,
  .md-header,
  .md-sidebar,
  .copy-code-btn {
    display: none !important;
  }
  
  .md-content {
    margin: 0 !important;
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus indicators */
button:focus,
a:focus {
  outline: 2px solid var(--md-accent-fg-color);
  outline-offset: 2px;
}

/* Toast notifications */
.toast-container {
  max-width: 300px;
}

.toast {
  display: block;
  max-width: 100%;
  word-wrap: break-word;
}

/* Enhanced code block styling */
pre:hover .custom-copy-btn {
  opacity: 0.8 !important;
}

.custom-copy-btn:hover {
  opacity: 1 !important;
  background: rgba(0,0,0,0.8) !important;
}