/* ------------- RESPONSIVE SIDEBAR -------------- */
/* --- 1. Variables & Reset (Ruby Dark Theme) --- */
:root {
  /* Black & Grey palette */
  --bg-color: #0a0a0a;
  /* Near-black main background */
  --bg-secondary: #171717;
  /* Dark grey sidebar background */
  --text-primary: #ededed;
  /* Bright off-white for reading */
  --text-secondary: #a3a3a3;
  /* Neutral grey for muted text */
  --border-color: #2d2d2d;
  /* Subtle grey borders */
  /* Ruby Red accents */
  --accent-color: #f43f3f;
  /* Vibrant ruby/crimson */
  --accent-bg: #000000;
  /* Deep, dark red for active states */
  --hover-bg: #262626;
  /* Lighter grey for hover states */
  /* Layout variables */
  --sidebar-width: 297px;
  --header-height: 60px; }

* {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  margin: 0;
  padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-color);
  line-height: 1.6; }

a {
  color: var(--accent-color); }

hr {
  margin: 1em 0em;
  border: 1px dotted #252525; }

h3 {
  margin-bottom: 1em; }

#content-container {
  display: block;
  flex-grow: 1;
  min-width: 0; }

pre.dirs {
  color: var(--text-primary);
  display: block;
  font-family: monospace;
  unicode-bidi: isolate;
  white-space: pre;
  margin-block: 1em 1em;
  margin-inline: 0px; }

/* Hide standard pre/code combinations before they are styled */
pre code:not(.hljs) {
  visibility: hidden;
  opacity: 0; }

/* Smoothly reveal it once the highlight class is present */
pre code.hljs {
  visibility: visible;
  opacity: 1;
  -webkit-transition: opacity 0.2s ease-in;
  transition: opacity 0.2s ease-in; }

ul {
  margin-bottom: 0.5em; }

/* --- 2. The Hidden Checkbox & Overlay --- */
.menu-toggle-checkbox {
  display: none; }

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  /* Very dark overlay */
  z-index: 40;
  opacity: 0;
  -webkit-transition: opacity 0.3s ease;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(2px); }

/* --- 3. Mobile Header (Hidden on Desktop) --- */
.mobile-header {
  display: none;
  height: var(--header-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 1rem;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 30; }

.mobile-title {
  font-weight: 600;
  font-size: 1.1rem;
  margin-left: 1rem; }

/* Hamburger Icon Animation */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer; }

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--text-primary);
  border-radius: 2px;
  -webkit-transition: opacity 0.3s ease, -webkit-transform 0.3s ease;
  transition: opacity 0.3s ease, -webkit-transform 0.3s ease;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transition: transform 0.3s ease, opacity 0.3s ease, -webkit-transform 0.3s ease; }

/* --- 4. Main Layout --- */
.layout-wrapper {
  display: flex;
  min-height: 100vh; }

/* --- 5. Sidebar Styling --- */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: 100vh;
  -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transition: -webkit-transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), -webkit-transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); }

/* Customizing scrollbar for the grey/black theme */
.sidebar::-webkit-scrollbar {
  width: 6px; }

.sidebar::-webkit-scrollbar-track {
  background: var(--bg-secondary); }

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px; }

.sidebar-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border-color); }

.sidebar-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-color);
  /* Add a pop of ruby to the header */ }

.sidebar-header p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  /* Monospace version number */
  margin-top: 0.25rem; }

.sidebar-content {
  padding: 1.5rem 0; }

/* Documentation Sections */
.menu-sections {
  list-style: none; }

.menu-section {
  margin-bottom: 1.5rem; }

.section-title {
  display: block;
  padding: 0 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem; }

.section-items {
  list-style: none; }

.section-items a {
  display: block;
  padding: 0.4rem 1.5rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  -webkit-transition: background-color 0.2s, color 0.2s;
  transition: background-color 0.2s, color 0.2s; }

.section-items a:hover {
  background-color: var(--hover-bg);
  color: var(--text-primary); }

.section-items a.active {
  color: var(--accent-color);
  background-color: var(--accent-bg);
  border-right: 3px solid var(--accent-color);
  font-weight: 500;
  pointer-events: none; }

/* --- 6. Content Area --- */
.main-content {
  flex-grow: 1;
  padding: 2rem 3rem;
  min-width: 0;
  background-color: var(--bg-color); }

.content-container {
  max-width: 1600px;
  margin: 0 auto; }

.content-container h4, .content-container h3 {
  color: var(--text-primary); }

.content-container h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem; }

.content-container h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem; }

.content-container p {
  margin-bottom: 1rem; }

.content-container p, .content-container li {
  color: var(--text-secondary); }

.content-container strong {
  color: var(--text-primary); }

/* --- 7. Mobile Media Query --- */
@media (max-width: 768px) {
  .mobile-header {
    display: flex; }
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 50;
    -webkit-transform: translateX(-100%);
            transform: translateX(-100%); }
  .main-content {
    padding: 1.5rem; }
  /* When the checkbox is checked, slide the sidebar in */
  .menu-toggle-checkbox:checked ~ .layout-wrapper .sidebar {
    -webkit-transform: translateX(0);
            transform: translateX(0); }
  /* When checked, show the overlay */
  .menu-toggle-checkbox:checked ~ .sidebar-overlay {
    display: block;
    opacity: 1; }
  /* Animate the hamburger into an 'X' when checked */
  .menu-toggle-checkbox:checked ~ .mobile-header .hamburger span:nth-child(1) {
    -webkit-transform: translateY(8px) rotate(45deg);
            transform: translateY(8px) rotate(45deg);
    background-color: var(--accent-color);
    /* Turn X red on open */ }
  .menu-toggle-checkbox:checked ~ .mobile-header .hamburger span:nth-child(2) {
    opacity: 0; }
  .menu-toggle-checkbox:checked ~ .mobile-header .hamburger span:nth-child(3) {
    -webkit-transform: translateY(-8px) rotate(-45deg);
            transform: translateY(-8px) rotate(-45deg);
    background-color: var(--accent-color); } }

/* ------------- Github Sticky Link ------------- */
.sticky-link.right {
  /* Positioning */
  position: fixed;
  top: 0.7em;
  right: 20px;
  z-index: 9999; }

.sticky-link.left {
  /* Positioning */
  position: fixed;
  top: 0.7em;
  right: 20px;
  z-index: 9999; }

.sticky-link {
  /* Layout & Alignment */
  display: inline-flex;
  align-items: center;
  gap: 8px;
  /* Aesthetics */
  background-color: #24292e;
  color: #ffffff;
  padding: 10px 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  -webkit-box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
          box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  /* Smooth hover transition */
  -webkit-transition: background-color 0.2s ease, -webkit-transform 0.2s ease;
  transition: background-color 0.2s ease, -webkit-transform 0.2s ease;
  transition: background-color 0.2s ease, transform 0.2s ease;
  transition: background-color 0.2s ease, transform 0.2s ease, -webkit-transform 0.2s ease; }

/* Hover effects */
.sticky-link:hover {
  background-color: #1f2327;
  -webkit-transform: translateY(-2px);
          transform: translateY(-2px); }

/* Active press effect */
.sticky-link:active {
  -webkit-transform: translateY(0);
          transform: translateY(0); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0; }

/* ------------- CODE THEME -------------- */
.hljs {
  background: #171717;
  color: #dcdcdc; }

.hljs-section, .hljs-title {
  color: #f3d90d;
  font-weight: normal; }

.hljs-attribute, .hljs-doctag, .hljs-keyword, .hljs-meta .hljs-keyword, .hljs-name, .hljs-selector-tag {
  font-weight: normal;
  color: #ef4348; }

.hljs-addition, .hljs-built_in, .hljs-bullet, .hljs-code {
  color: #c7b3e3; }

.hljs-deletion, .hljs-number, .hljs-quote, .hljs-selector-class, .hljs-selector-id, .hljs-string, .hljs-template-tag, .hljs-type {
  color: #49b69a; }

.hljs-link, .hljs-operator, .hljs-regexp, .hljs-selector-attr, .hljs-selector-pseudo, .hljs-symbol, .hljs-template-variable, .hljs-variable {
  color: #f92672; }