* {
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}
body {
  background: #121212;
  color: #fff;
  margin: 0;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
h1 {
  text-align: center;
  margin-bottom: 1rem;
  color: #00ffe1;
}
textarea, input[type=text] {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 1rem;
  border: none;
  outline: none;
  font-size: 1rem;
}
textarea {
  height: 80px;
  resize: vertical;
}
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 1rem;
}
.button {
  padding: 10px 20px;
  border: none;
  border-radius: 20px;
  background: #00ffe1;
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.3s;
}
.button:hover {
  background: #00ccc1;
  transform: scale(1.05);
}
#output {
  width: 100%;
  padding: 1rem;
  background: #1e1e1e;
  border-radius: 10px;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin-bottom: 2rem;
  animation: fadeIn 0.5s ease-in;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
pre {
  background: #2d2d2d;
  padding: 1rem;
  color: #5a7037;
  overflow-x: auto;
  border-radius: 10px;
  max-width: 100%;
}