body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(-45deg, #0f0c29, #302b63, #24243e, #1e1e2f);
  background-size: 400% 400%;
  animation: gradientBG 20s ease infinite;
  color: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  flex-direction: column;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.container {
  width: 90%;
  max-width: 1200px;
  text-align: center;
}

h1 {
  color: #00fff7;
  margin-bottom: 20px;
}

.editor-container {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 10px;
}

textarea {
  width: 30%;
  height: 200px;
  background: #1e1e2f;
  border: 1px solid #00fff7;
  color: #00fff7;
  padding: 10px;
  font-family: monospace;
  font-size: 14px;
  resize: none;
}

iframe {
  width: 100%;
  height: 300px;
  border: none;
  margin-top: 10px;
  background: white;
}

.buttons button {
  background: #00fff7;
  border: none;
  color: #1e1e2f;
  padding: 10px 20px;
  font-weight: bold;
  cursor: pointer;
  border-radius: 6px;
  transition: transform 0.2s ease;
}

.buttons button:hover {
  transform: scale(1.05);
}

#progress {
  margin-top: 10px;
  font-size: 14px;
  color: #aaa;
}