body {
  font-family: Arial, sans-serif;
  margin: 0;
  display: flex;
  background-color: #f8f9fa;
  color: #333;
}

/* Sidebar Styling */
.sidebar {
  width: 260px;
  background-color: #2c3e50;
  color: #ffffff;
  height: 100vh;
  padding: 20px;
  box-sizing: border-box;
}

.sidebar h2 {
  font-size: 1.2rem;
  border-bottom: 1px solid #456;
  padding-bottom: 10px;
}

.sidebar ul {
  list-style-type: none;
  padding: 0;
}

.sidebar li {
  margin-bottom: 15px;
}

.sidebar a {
  color: #ecf0f1;
  text-decoration: none;
  cursor: pointer;
  font-size: 1rem;
  transition: color 0.2s;
}

.sidebar a:hover {
  color: #3498db;
}

/* Main Content Styling */
.main-content {
  flex-grow: 1;
  padding: 40px;
  box-sizing: border-box;
  height: 100vh;
  overflow-y: auto;
}

#home-content h1 {
  color: #2c3e50;
}

#home-content h3 {
  color: #2c3e50;
  margin-top: 30px;
  border-bottom: 2px solid #e5e5e5;
  padding-bottom: 6px;
}

#home-content h4 {
  color: #34495e;
  margin-top: 18px;
}

#home-content ul {
  line-height: 1.6;
  margin-bottom: 18px;
}

/* Iframe Container Styling */
#iframe-container iframe {
  width: 100%;
  height: 100%;
  border: 2px dashed #ccc;
  border-radius: 8px;
  background-color: #ffffff;
}