*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: "Helvetica Neue", "Helvetica", "Roboto", "Arial", sans-serif;
  background-color: #f5f5f5;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.logo {
  text-align: center;
  margin-bottom: 16px;
}

h1 {
  color: #f36e21;
  font-size: 32px;
  margin: 0 0 4px;
  text-align: center;
}

.subtitle {
  color: #666;
  text-align: center;
  margin: 0 0 32px;
  font-size: 15px;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-weight: bold;
  margin-bottom: 6px;
  font-size: 14px;
  color: #333;
}

input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
  transition: border-color 0.15s;
}

input[type="text"]:focus {
  outline: none;
  border-color: #f36e21;
  box-shadow: 0 0 0 3px rgba(243, 110, 33, 0.15);
}

.btn {
  background-color: #f36e21;
  color: #fff;
  padding: 11px 24px;
  font-size: 16px;
  font-weight: bold;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.15s, opacity 0.15s;
}

.btn:hover:not(:disabled) {
  background-color: #d95c15;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.status {
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  white-space: pre-line;
  min-height: 0;
  display: none;
}

.status:not(:empty) {
  display: block;
}

.status.success {
  background-color: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.status.error {
  background-color: #fdecea;
  color: #c62828;
  border: 1px solid #ef9a9a;
}

h2 {
  color: #333;
  font-size: 18px;
  margin-bottom: 8px;
}

.key-section {
  margin-top: 28px;
}

pre {
  background-color: #fff;
  padding: 12px;
  font-size: 13px;
  border: 1px solid #ddd;
  border-radius: 4px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 40px;
  color: #333;
}