:root {
    --primary-color: #0A84FF;
    --secondary-color: #6C5CE7;
    --metallic-glow: #D4AF37;
    --background-gradient: linear-gradient(135deg, #0A84FF, #6C5CE7);
    --card-background: rgba(255, 255, 255, 0.2);
    --text-color: #ffffff;
    --heading-font: 'Poppins', sans-serif;
    --body-font: 'Roboto', sans-serif;
    --transition-speed: 0.3s;
  }

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

  body {
    font-family: var(--body-font);
    background: var(--background-gradient);
    color: var(--text-color);
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
    padding: 20px;
  }

  h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    color: var(--metallic-glow);
    margin-bottom: 20px;
  }

  h2 {
    font-size: 2em;
    font-weight: 700;
  }

  h3 {
    font-size: 1.5em;
    font-weight: 600;
  }

  h4 {
    font-size: 1.2em;
    font-weight: 500;
  }

  p {
    margin-bottom: 15px;
    color: #f0f0f0;
  }

  a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
  }

  a:hover {
    color: var(--metallic-glow);
  }

  .container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
  }

  .card {
    background: var(--card-background);
    border-radius: 15px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 20px;
    margin-bottom: 30px;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  }

  .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 16px 64px 0 rgba(31, 38, 135, 0.37);
  }

  pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    color: #00ff00;
    font-family: 'Courier New', Courier, monospace;
    margin-bottom: 20px;
  }

  code {
    color: #39FF14;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px 4px;
    border-radius: 4px;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.1);
  }

  th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  th {
    background: rgba(255, 255, 255, 0.2);
    color: var(--metallic-glow);
  }

  ul, ol {
    margin-bottom: 15px;
    padding-left: 20px;
  }

  li {
    margin-bottom: 10px;
  }

  .image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
  }

  .image-gallery img {
    width: 100%;
    border-radius: 10px;
    transition: transform var(--transition-speed);
  }

  .image-gallery img:hover {
    transform: scale(1.05);
  }

  .lines {
    position: absolute;
    bottom: 0;
    width: 200%;
    height: 100px;
    background: repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.1),
      rgba(255, 255, 255, 0.1) 10px,
      transparent 10px,
      transparent 20px
    );
    animation: moveLines 10s linear infinite;
    z-index: -1;
  }

  @keyframes moveLines {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
  }

  @media (max-width: 1440px) {
    h2 {
      font-size: 1.8em;
    }
    .container {
      padding: 15px;
    }
  }

  @media (max-width: 1200px) {
    .container {
      padding: 10px;
    }
    .image-gallery {
      grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
  }

  @media (max-width: 1024px) {
    h2 {
      font-size: 1.6em;
    }
    .image-gallery {
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
  }

  @media (max-width: 768px) {
    h2 {
      font-size: 1.4em;
    }
    .image-gallery {
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
  }

  @media (max-width: 480px) {
    h2 {
      font-size: 1.2em;
    }
    .card {
      padding: 15px;
    }
    pre {
      padding: 10px;
    }
  }

  @media (max-width: 320px) {
    h2 {
      font-size: 1em;
    }
    .card {
      padding: 10px;
    }
    pre {
      padding: 8px;
    }
  }