body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  margin: 0;
}

header {
  background: #1e293b;
  color: white;
  text-align: center;
  padding: 20px;
}

.container {
  max-width: 900px;
  margin: 20px auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
}

textarea {
  width: 100%;
  min-height: 120px;
  padding: 10px;
  margin: 10px 0;
}

.buttons button {
  margin: 5px;
  padding: 10px 15px;
  background: #2563eb;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 5px;
}

.buttons button:hover {
  background: #1e40af;
}

footer {
  text-align: center;
  padding: 15px;
  background: #e5e7eb;
}

@media (max-width: 600px) {
  .container {
    margin: 10px;
    padding: 10px;
  }
}