/* CSS Variables for Color Scheme */
  :root {
    --primary-color: #E8F4FF;
    --secondary-color: #FFFFFF;
    --accent-color: #1C1C1E;
    --orange-color: #FF9500;
    --purple-color: #A78BFA;
    --font-primary: 'Open Sans', sans-serif;
    --font-secondary: 'Google Sans', sans-serif;
  }

  /* Global Styles */
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  body {
    font-family: var(--font-primary);
    background: radial-gradient(circle, var(--primary-color), transparent);
    color: var(--accent-color);
    display: flex;
    min-height: 100vh;
  }

  /* Navigation Bar */
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.3);
  }

  .navbar a {
    text-decoration: none;
    color: var(--accent-color);
    font-family: var(--font-secondary);
    font-size: 1.1em;
    transition: color 0.3s ease;
  }

  .navbar a:hover {
    color: var(--orange-color);
  }

  /* Main Content */
  .main-content {
    margin-left: 250px;
    padding: 40px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    min-width: 100%;
    transition: all 0.3s ease;
  }

  /* Section Styles */
  section {
    margin-bottom: 60px;
  }

  h1, h2, h3 {
    font-family: var(--font-secondary);
    color: var(--accent-color);
    margin-bottom: 20px;
  }

  h1 {
    font-size: 2.5em;
  }

  h2 {
    font-size: 2em;
  }

  h3 {
    font-size: 1.5em;
  }

  p {
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 20px;
  }

  /* Glass Card */
  .glass-card {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .glass-card:hover {
    transform: scale(1.05) rotate(1deg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
  }

  /* Buttons */
  .gradient-button {
    background: linear-gradient(135deg, var(--orange-color), var(--purple-color));
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-secondary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .gradient-button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(255, 149, 0, 0.8);
  }

  /* Code Blocks */
  pre {
    background: rgba(0, 0, 0, 0.05);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    margin-bottom: 20px;
  }

  code {
    color: var(--purple-color);
  }

  /* Tables */
  table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
  }

  table, th, td {
    border: 1px solid rgba(0, 0, 0, 0.1);
  }

  th, td {
    padding: 12px;
    text-align: left;
  }

  th {
    background: rgba(255, 149, 0, 0.1);
    font-family: var(--font-secondary);
  }

  /* Images */
  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
  }

  .image-grid img {
    width: 100%;
    border-radius: 10px;
    object-fit: cover;
  }

  /* Responsive Design */
  @media (max-width: 1440px) {
    .navbar {
      width: 220px;
    }

    .main-content {
      margin-left: 220px;
      padding: 30px;
    }
  }

  @media (max-width: 1200px) {
    .navbar {
      width: 200px;
    }

    .main-content {
      margin-left: 200px;
      padding: 25px;
    }
  }

  @media (max-width: 1024px) {
    .navbar {
      width: 180px;
    }

    .main-content {
      margin-left: 180px;
      padding: 20px;
    }
  }

  @media (max-width: 768px) {
    .navbar {
      position: relative;
      width: 100%;
      height: auto;
      backdrop-filter: none;
      flex-direction: row;
      justify-content: space-around;
      border-right: none;
      border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .main-content {
      margin-left: 0;
      padding: 15px;
    }
  }

  @media (max-width: 480px) {
    h1 {
      font-size: 2em;
    }

    h2 {
      font-size: 1.75em;
    }

    h3 {
      font-size: 1.25em;
    }

    .gradient-button {
      padding: 10px 20px;
      font-size: 0.9em;
    }
  }

  @media (max-width: 320px) {
    h1 {
      font-size: 1.75em;
    }

    h2 {
      font-size: 1.5em;
    }

    h3 {
      font-size: 1em;
    }

    .gradient-button {
      padding: 8px 16px;
      font-size: 0.8em;
    }
  }

  /* Animation */
  @keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  .animated-background {
    animation: aurora-move 15s linear infinite;
    background: linear-gradient(-45deg, var(--orange-color), var(--purple-color), var(--orange-color), var(--purple-color));
    background-size: 400% 400%;
  }