html {
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  scroll-behavior: smooth;
}

*, *::before, *::after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}

body {
  background-color: rgb(148, 219, 247);
  color: #333;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Container with Flex for layout */
.container {
  display: flex;
  flex-direction: column;     /* Mobile: sidebar top, content bottom */
  min-height: 100vh;
}

/* Navbar (Sidebar) */
#navbar {
  background-color: rgb(8, 8, 92);
  color: white;
  padding: 20px;
  width: 100%;                /* Mobile: full width */
  order: 1;                   /* Mobile first view */
}

#navbar header {
  font-size: 1.8rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
  text-align: center;
}

#navbar a {
  display: block;
  color: rgb(15, 238, 52);
  text-decoration: none;
  padding: 12px 16px;
  margin: 8px 0;
  background-color: rgba(2, 2, 49, 0.7);
  border-radius: 8px;
  transition: all 0.3s ease;
  font-size: 1.1rem;
  text-align: center;
}

#navbar a:hover {
  background-color: rgb(15, 238, 52);
  color: rgb(2, 2, 49);
}

/* Main Content */
#main-doc {
  padding: 18px;
  flex: 1;
  order: 2;                   
}

/* Desktop Layout - Side by Side */
@media (min-width: 768px) {
  .container {
    flex-direction: row;     /* Desktop: sidebar left, content right */
  }

  #navbar {
    width: 280px;            
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    overflow-y: auto;
    padding: 30px;
  }

  #main-doc {
    margin-left: 280px;      
    padding: 40px;
  }
}

/* Main Section Styling */
.main-section {
  margin-bottom: 3rem;
  padding: 25px;
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.main-section header {
  font-size: 2.2rem;
  font-weight: bold;
  color: rgb(8, 8, 92);
  margin-bottom: 1rem;
  border-bottom: 3px solid rgb(15, 238, 52);
  padding-bottom: 10px;
}

p {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: #222;
}

code {
  background-color: #f0f0f0;
  padding: 4px 8px;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  color: #d63384;
  display: block;                 
  white-space: pre-wrap;          
  word-wrap: break-word;
  overflow-wrap: break-word;
  word-break: break-all;          
  max-width: 100%;                /* overflow breaking */
  margin: 10px 0;
}