/* Basic Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Variables for Light and Dark Mode */
:root {
  --background-color: #f6f8fa;
  --sidebar-background: #ffffff;
  --text-color: #24292e;
  --menu-background: #ffffff;
  --menu-text: #24292e;
  --menu-hover: #00aaff;
  --code-background: #f6f8fa;
  --code-border: #e1e4e8;
  --code-text: #24292e;
}

body.dark-mode {
  --background-color: #1b202c;
  --sidebar-background: #2c3038;
  --text-color: #ffffff;
  --menu-background: #2c3038;
  --menu-text: #ffffff;
  --menu-hover: #00aaff;
  --code-background: #2d333b;
  --code-border: #444c56;
  --code-text: #ffffff;
}

/* Body and General Page Styling */
body {
  display: flex;
  height: 100vh;
  font-family: 'Arial', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
}

h1, h2 {
  margin-bottom: 15px;
}

/* Sidebar Menu */
.sidebar {
  width: 250px;
  background-color: var(--sidebar-background);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s;
}

.menu-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--menu-text);
}

.menu-items {
  list-style-type: none;
  padding: 0;
}

.menu-items li {
  margin: 15px 0;
}

.menu-items a {
  text-decoration: none;
  color: var(--menu-text);
  font-size: 18px;
  transition: color 0.3s;
}

.menu-items a:hover {
  color: var(--menu-hover);
}

/* Main Content */
.main-content {
  flex: 1;
  background-color: var(--background-color);
  padding: 20px;
  overflow: hidden;
  transition: background-color 0.3s;
  display: flex; /* To ensure the iframe grows with the container */
  justify-content: center;
  align-items: center;
}

/* Iframe Styling */
iframe {
  width: 100%;
  height: 100%;
  border: none;
  background-color: var(--background-color); /* Inherit background for iframe */
  transition: background-color 0.3s;
}

/* Block Code Styling */
pre {
  background-color: var(--code-background);
  padding: 10px;
  border-radius: 6px;
  border: 1px solid var(--code-border);
  font-family: monospace;
  font-size: 14px;
  line-height: 1.6;
  overflow: auto;
  color: var(--code-text);
  transition: background-color 0.3s, color 0.3s, border 0.3s;
}

/* Inline Code Styling */
code {
  background-color: var(--code-background);
  padding: 2px 4px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 14px;
  color: var(--code-text);
  border: 1px solid var(--code-border);
  transition: background-color 0.3s, color 0.3s;
}

/* Dark/Light Mode Toggle Switch */
.toggle-container {
  display: flex;
  align-items: center;
  position: absolute;
  top: 95%;
  left: 50px;
}

.mode-label {
  margin-left: 10px;
  font-size: 16px;
}

.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  border-radius: 50%;
  left: 4px;
  bottom: 3px;
  background-color: white;
  transition: 0.4s;
}

input:checked + .slider {
  background-color: #00aaff;
}

input:checked + .slider:before {
  transform: translateX(26px);
}