body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: white;
}

.wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.card {
  width: 500px;
  background: #111827;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 0 25px rgba(0,0,0,0.4);
}

.header h1 {
  margin: 0;
  font-size: 24px;
}

.header p {
  margin: 5px 0 20px;
  color: #94a3b8;
}

textarea {
  width: 100%;
  height: 150px;
  border-radius: 8px;
  border: none;
  padding: 10px;
  font-size: 14px;
  resize: none;
  outline: none;
}

button {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  background: #22c55e;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  color: white;
}

button:hover {
  background: #16a34a;
}

.loading {
  margin-top: 15px;
  color: #facc15;
}

.hidden {
  display: none;
}

.result {
  margin-top: 20px;
  background: #0b1220;
  padding: 15px;
  border-radius: 8px;
}

.result h2 {
  margin: 0;
  font-size: 18px;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 6px;
  background: #1f2937;
  margin-top: 5px;
  font-size: 12px;
}