body {
  background-color: #0e0e0e;
  color: #ffffff;
  font-family: 'Segoe UI', sans-serif;
  padding: 2rem;
}
header h1 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 1rem;
}
.tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.tool {
  background: #1f1f1f;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 0 10px #000;
}
a {
  color: #4fd1c5;
  text-decoration: none;
  font-weight: bold;
}