body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0f0f0f;
  color: #ffffff;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 20px;
  text-align: center;
}

h1 {
  margin-bottom: 20px;
}

input[type="file"] {
  margin-bottom: 15px;
}

button {
  padding: 12px 20px;
  background: #4caf50;
  border: none;
  border-radius: 6px;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #43a047;
}

#output {
  margin-top: 30px;
}

.image-block {
  margin-bottom: 30px;
}

.image-block img {
  max-width: 100%;
  display: block;
  margin: 0 auto 10px;
  border-radius: 6px;
}

.image-block a {
  display: inline-block;
  color: #4caf50;
  text-decoration: none;
  font-weight: 600;
}