body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(135deg, #1a1a40, #000066);
  color: #ffffff;
  line-height: 1.6;
  letter-spacing: 0.5px;
  overflow-x: hidden;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: rgba(0, 0, 0, 0.5);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
header h1 {
  font-size: 2rem;
  font-weight: bold;
  text-transform: uppercase;
  color: #00ff00;
  text-shadow: 0 0 10px #00ff00;
}
header a {
  color: #ff9900;
  text-decoration: none;
  transition: color 0.3s ease;
}
header a:hover {
  color: #ffff00;
}
main {
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}
.grid-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.grid-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
.grid-item img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 10px;
}
h2, h3 {
  color: #ff9900;
  font-weight: bold;
}
pre {
  background: rgba(0, 0, 0, 0.7);
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
}
code {
  color: #00ff00;
  font-size: 0.9rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
}
th, td {
  padding: 10px;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
th {
  background: rgba(0, 0, 0, 0.3);
  color: #ff9900;
}
footer {
  text-align: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.5);
  margin-top: 40px;
}
@media (max-width: 768px) {
  header h1 {
    font-size: 1.5rem;
  }
  .grid-container {
    grid-template-columns: 1fr;
  }
  pre {
    font-size: 0.8rem;
  }
}