body {
  background-color: #0e0e0f;
  color: #eaeaea;
  font-family: 'Courier New', monospace;
  margin: 0;
  padding: 0;
}

.container {
  width: 90%;
  max-width: 500px;
  margin: 40px auto;
  text-align: center;
}

.symbol {
  font-size: 64px;
  animation: pulse 2s infinite;
  margin-bottom: 20px;
}

@keyframes pulse {
  0% { opacity: 0.3; transform: scale(0.95); }
  50% { opacity: 1; transform: scale(1.05); }
  100% { opacity: 0.3; transform: scale(0.95); }
}

textarea {
  width: 100%;
  height: 150px;
  background-color: #1b1b1d;
  color: #f9f9f9;
  border: 1px solid #444;
  padding: 12px;
  font-size: 1.1em;
  margin-top: 20px;
  border-radius: 5px;
}

button {
  margin-top: 15px;
  padding: 12px 24px;
  background-color: #292929;
  color: #f0f0f0;
  border: none;
  font-size: 1.1em;
  border-radius: 5px;
  cursor: pointer;
  width: 100%;
}

button:hover {
  background-color: #444;
}

#response {
  margin-top: 25px;
  padding: 15px;
  background-color: #121212;
  border-left: 4px solid #6a0dad;
  white-space: pre-wrap;
  text-align: left;
}

.hidden {
  display: none;
}