style.css

:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color-scheme: light dark;
  color: #213547;
  background-color: #ffffff;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2rem;
}

h1 {
  font-size: 2.5em;
  line-height: 1.1;
  margin-bottom: 2rem;
  text-align: center;
  color: #2c3e50;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

label {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

input {
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: #646cff;
  box-shadow: 0 0 0 2px rgba(100, 108, 255, 0.2);
}

button {
  background-color: #646cff;
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #535bf2;
}

.output-container {
  margin-top: 2rem;
  padding: 1rem;
  background-color: #f8f9fa;
  border-radius: 4px;
}

pre {
  background-color: #2c3e50;
  color: #fff;
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.copy-btn {
  margin-top: 1rem;
  background-color: #4CAF50;
}

.copy-btn:hover {
  background-color: #45a049;
}

h2 {
  color: #2c3e50;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
    margin: 1rem;
  }
}