* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

body {
  display: flex;
  background-color: #f4f4f4;
  line-height: 1.6;
}

/* Navbar Styling */
#navbar {
  width: 260px;
  height: 100vh;
  position: fixed;
  overflow-y: auto;
  background-color: #1e293b;
  color: white;
  padding: 20px;
}

#navbar header {
  font-size: 1.5rem;
  margin-bottom: 20px;
  font-weight: bold;
}

.nav-link {
  display: block;
  color: #cbd5e1;
  text-decoration: none;
  padding: 10px 0;
  transition: 0.3s;
}

.nav-link:hover {
  color: white;
  padding-left: 5px;
}

/* Main Content */
#main-doc {
  margin-left: 270px;
  padding: 30px;
  max-width: 900px;
}

.main-section {
  margin-bottom: 40px;
}

.main-section header {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: #1e293b;
}

p {
  margin-bottom: 10px;
}

code {
  display: block;
  background-color: #e2e8f0;
  padding: 10px;
  margin: 10px 0;
  border-radius: 5px;
  font-family: monospace;
}

ul {
  margin-left: 20px;
  margin-top: 10px;
}

/* Media Query */
@media (max-width: 768px) {
  body {
    flex-direction: column;
  }

  #navbar {
    position: relative;
    width: 100%;
    height: auto;
  }

  #main-doc {
    margin-left: 0;
  }

}