body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #0f0f14, #1a1a2e);
  color: #ffffff;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  width: 100%;
  max-width: 900px;
  background: #141427;
  padding: 35px;
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

h1 {
  text-align: center;
  margin-bottom: 8px;
}

p {
  text-align: center;
  opacity: 0.8;
  margin-bottom: 25px;
}

textarea {
  width: 100%;
  height: 160px;
  margin-bottom: 15px;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-size: 14px;
  resize: none;
}

button {
  width: 100%;
  padding: 14px;
  background: #7c7cff;
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

#output {
  margin-top: 25px;
  padding: 20px;
  background: #1f1f3d;
  border-radius: 12px;
  white-space: pre-line;
}

.footer {
  margin-top: 30px;
  text-align: center;
  font-size: 13px;
  opacity: 0.6;
}

.footer span {
  font-weight: 600;
  color: #7c7cff;
}