body {
  margin: 0;
  font-family: Arial;
  background: linear-gradient(135deg, #0f0f0f, #1c1c1c);
  color: white;
}

.container {
  max-width: 500px;
  margin: 50px auto;
  padding: 25px;
  background: rgba(255,255,255,0.05);
  border-radius: 16px;
  text-align: center;
}

h1 {
  margin-bottom: 10px;
}

.subtitle {
  color: #00ff9d;
}

input, button, textarea {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border-radius: 10px;
  border: none;
}

button {
  background: #00ff9d;
  color: black;
  cursor: pointer;
  font-weight: bold;
}

.preview img {
  max-width: 100%;
  margin-top: 10px;
  border-radius: 10px;
}

textarea {
  height: 120px;
}