/* Site-specific styles for GitHub README Theme */

:root {
  --sidebar-width: 320px;
  --sidebar-collapsed-width: 0px;
  --header-height: 60px;
  --spacing-unit: 16px;
  --border-color: #d0d7de;
  --bg-color: #ffffff;
  --text-color: #24292f;
  --link-color: #0969da;
  --hover-bg: #f6f8fa;
  --active-bg: #0969da;
  --active-text: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.5;
}

.site-container {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
  transition: grid-template-columns 0.2s ease;
}

.site-container.sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) 1fr;
}

/* Sidebar Styles */
.sidebar {
  border-right: 1px solid var(--border-color);
  background-color: var(--bg-color);
  overflow-y: auto;
  overflow-x: hidden;
  position: sticky;
  top: 0;
  height: 100vh;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-container.sidebar-collapsed .sidebar {
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--spacing-unit);
  height: var(--header-height);
}

.sidebar-header h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  flex: 1;
}

.sidebar-close-mobile {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: #5b636d;
  border-radius: 6px;
  transition: background-color 0.2s, color 0.2s;
  flex-shrink: 0;
}

.sidebar-close-mobile svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.sidebar-close-mobile:hover {
  background-color: #f6f8fa;
  color: #5b636d;
}

.sidebar-toggle {
  background: #e7ebef;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: #5b636d;
  border-radius: 6px;
  transition: background-color 0.2s, color 0.2s;
  position: relative;
  top: 2px;
}

.sidebar-toggle svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.sidebar-toggle:hover {
  background-color: #f6f8fa;
  color: #5b636d;
}

.sidebar-nav {
  padding: var(--spacing-unit);
  padding-left: calc(var(--spacing-unit) + 10px);
}

.nav-tree {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-item > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  margin: 1px 0;
  text-decoration: none;
  color: var(--text-color);
  border-radius: 6px;
  transition: background-color 0.15s ease;
  font-size: 14px;
  position: relative;
}

/* Indent content within boxes based on nesting level - boxes always align left */
.nav-tree > .nav-item > a {
  padding-left: 8px;
}

/* Each nested level adds 8px to the left padding of the content */
.nav-children .nav-item > a {
  padding-left: calc(8px + var(--nesting-level, 0) * 8px);
}

/* Set nesting level via CSS custom property for dynamic calculation */
.nav-tree > .nav-item > .nav-children > .nav-item > a {
  --nesting-level: 1;
  padding-left: 16px;
}

.nav-tree > .nav-item > .nav-children > .nav-item > .nav-children > .nav-item > a {
  --nesting-level: 2;
  padding-left: 24px;
}

.nav-tree > .nav-item > .nav-children > .nav-item > .nav-children > .nav-item > .nav-children > .nav-item > a {
  --nesting-level: 3;
  padding-left: 32px;
}

/* Continue pattern for deeper nesting - add more rules as needed */
.nav-tree > .nav-item > .nav-children > .nav-item > .nav-children > .nav-item > .nav-children > .nav-item > .nav-children > .nav-item > a {
  --nesting-level: 4;
  padding-left: 40px;
}
.nav-item > a:hover {
  background-color: var(--hover-bg);
}

.nav-item.active > a {
  background-color: #f6f8fa;
}

.nav-item.active > a::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 25px;
  background-color: var(--active-bg);
  border-radius: 3px;
}

.nav-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: #656d76;
}

.nav-chevron svg {
  display: block;
}

.nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: #6bacf9;
}

.nav-icon svg {
  fill: #6bacf9;
  width: 16px;
  height: 16px;
}

.nav-text {
  flex: 1;
}

/* Hide all nav children by default to prevent flash before JS loads */
.nav-children {
  list-style: none;
  margin: 0;
  padding: 0;
  display: none !important;
}

.nav-item.expanded > .nav-children {
  display: block !important;
}

.main-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-unit);
  border-bottom: 1px solid var(--border-color);
  height: var(--header-height);
  background-color: var(--bg-color);
  position: sticky;
  top: 0;
  z-index: 10;
  gap: var(--spacing-unit);
}

.nav-button-mobile {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 12px;
  align-items: center;
  gap: 6px;
  color: #5b636d;
  border-radius: 6px;
  transition: background-color 0.2s, color 0.2s;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
}

.nav-button-mobile:hover {
  background-color: #f6f8fa;
}

.nav-button-mobile .nav-arrow {
  font-size: 18px;
  line-height: 1;
}

.nav-button-mobile .nav-text {
  font-size: 14px;
}

.sidebar-toggle-desktop {
  display: none;
  background: #e7ebef;
  border: none;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: #5b636d;
  border-radius: 6px;
  transition: background-color 0.2s, color 0.2s;
  flex-shrink: 0;
  position: relative;
  top: 2px;
}

.sidebar-toggle-desktop svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.sidebar-toggle-desktop:hover {
  background-color: #f6f8fa;
  color: #5b636d;
}

.site-container.sidebar-collapsed .sidebar-toggle-desktop {
  display: flex;
}

.breadcrumb-container {
  flex: 1;
}

.breadcrumb {
  font-size: 16px;
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb a {
  color: var(--link-color);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  margin: 0 8px;
  color: #656d76;
}

.breadcrumb-current {
  color: var(--text-color);
  font-weight: 600;
}

.edit-button {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: #5b636d;
  border-radius: 6px;
  transition: background-color 0.2s, color 0.2s;
  position: relative;
  top: 2px;
  text-decoration: none;
}

.edit-button svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.edit-button:hover {
  background-color: #f6f8fa;
  color: #5b636d;
}

.markdown-body {
  padding: 42px calc(var(--spacing-unit) * 2) var(--spacing-unit);
  max-width: 1012px;
  margin: 0 auto;
  width: 100%;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  display: block;
}

.markdown-body .footnote {
  text-decoration: underline;
}

.markdown-body .footnote::before {
  content: '[';
}

.markdown-body .footnote::after {
  content: ']';
}

@media (max-width: 768px) {
  .site-container {
    grid-template-columns: 1fr;
    position: relative;
  }
  
  .nav-button-mobile {
    display: flex;
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
  }
  
  .site-container.sidebar-open-mobile .sidebar {
    transform: translateX(0);
  }
  
  .site-container.sidebar-open-mobile .main-content {
    pointer-events: none;
  }
  
  .sidebar-header {
    border-bottom: 1px solid var(--border-color);
  }
  
  .sidebar-close-mobile {
    display: flex;
  }
  
  .sidebar-toggle {
    display: none;
  }
  
  .markdown-body {
    padding: var(--spacing-unit);
  }
  
  .content-header {
    flex-wrap: wrap;
    min-height: var(--header-height);
    height: auto;
  }
}

/* Dark mode support for mobile */
@media (max-width: 768px) and (prefers-color-scheme: dark) {
  .content-header {
    background-color: #161b22;
    border-bottom-color: #30363d;
  }
  
  .sidebar {
    background-color: #161b22;
    border-right-color: #30363d;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.3);
  }
  
  .sidebar-header {
    border-bottom-color: #373e47;
  }
  
  .sidebar-header h2 {
    color: #adbac7;
  }
  
  .nav-button-mobile {
    color: #adbac7;
  }
  
  .nav-button-mobile:hover {
    background-color: #21262d;
    color: #adbac7;
  }
  
  .sidebar-close-mobile {
    color: #adbac7;
  }
  
  .sidebar-close-mobile:hover {
    background-color: #21262d;
    color: #adbac7;
  }
  
  .nav-item > a {
    color: #adbac7;
  }
  
  .nav-item > a:hover {
    background-color: #21262d;
  }
  
  .nav-item.active > a {
    background-color: #21262d;
  }
  
  .breadcrumb a {
    color: #539bf5;
  }
  
  .breadcrumb-current {
    color: #adbac7;
  }
  
  .breadcrumb-separator {
    color: #768390;
  }
  
  .edit-button {
    color: #adbac7;
  }
  
  .edit-button:hover {
    background-color: #373e47;
    color: #adbac7;
  }
}

/* Dark mode support for desktop */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --border-color: #30363d;
    --hover-bg: #21262d;
  }
  
  body {
    background-color: #0d1117;
    color: #c9d1d9;
  }
  
  .content-header {
    background-color: #161b22;
    border-bottom-color: #30363d;
  }
  
  .sidebar {
    background-color: #161b22;
    border-right-color: #30363d;
  }
  
  .sidebar-header {
    border-bottom-color: #373e47;
  }
  
  .sidebar-header h2 {
    color: #adbac7;
  }
  
  .sidebar-toggle {
    background: #21262d;
    color: #adbac7;
  }
  
  .sidebar-toggle:hover {
    background-color: #30363d;
    color: #adbac7;
  }
  
  .sidebar-toggle-desktop {
    background: #21262d;
    color: #adbac7;
  }
  
  .sidebar-toggle-desktop:hover {
    background-color: #30363d;
    color: #adbac7;
  }
  
  .sidebar-close-mobile {
    color: #adbac7;
  }
  
  .sidebar-close-mobile:hover {
    background-color: #21262d;
    color: #adbac7;
  }
  
  .nav-item > a {
    color: #adbac7;
  }
  
  .nav-item > a:hover {
    background-color: #21262d;
  }
  
  .nav-item.active > a {
    background-color: #21262d;
  }
  
  .nav-chevron {
    color: #768390;
  }
  
  .nav-icon {
    color: #6bacf9;
  }
  
  .nav-icon svg {
    fill: #6bacf9;
  }
  
  .breadcrumb a {
    color: #539bf5;
  }
  
  .breadcrumb-current {
    color: #adbac7;
  }
  
  .breadcrumb-separator {
    color: #768390;
  }
  
  .edit-button {
    color: #adbac7;
  }
  
  .edit-button:hover {
    background-color: #21262d;
    color: #adbac7;
  }
  
  .nav-button-mobile {
    color: #adbac7;
  }
  
  .nav-button-mobile:hover {
    background-color: #21262d;
    color: #adbac7;
  }
}