body {
  font-family: Arial, sans-serif;
  max-width: 720px;
  margin: 40px auto;
  padding: 0px 20px;
  background: #f5f5f5;
  color: #222;
}

h1 {
  font-size: 24px;
  margin-bottom: 16px;
}

.language-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.language-select {
  border: 1px solid #bbb;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 14px;
  background: #fff;
  cursor: pointer;
}

textarea {
  width: 100%;
  min-height: 140px;
  padding: 12px;
  font-size: 16px;
  line-height: 1.4;
  box-sizing: border-box;
  resize: vertical;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
}

.controls {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.intro-text {
  font-size: 13px;
  color: #666;
  margin-bottom: 12px;
}

.intro-link {
  color: #0077cc;
  font-weight: bold;
  text-decoration: underline;
  cursor: pointer;
}

.radio-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background: #fff;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
}

button {
  padding: 10px 16px;
  font-size: 14px;
  font-weight: bold;
  border: 1px solid #bbb;
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
}

.button-icon {
  margin-right: 8px;
}

.icon-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  padding: 10px;
  font-size: 18px;
}

button:hover {
  background: #eee;
}

#output {
  margin-top: 20px;
  padding: 14px;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 6px;
  min-height: 60px;
  white-space: pre-wrap;
  word-break: break-word;
}

#status {
  margin-top: 10px;
  font-size: 14px;
  color: #555;
  min-height: 20px;
}

.footer-note {
  margin-top: 24px;
  text-align: center;
  color: #777;
  font-size: 13px;
}

.footer-link {
  color: inherit;
  text-decoration: underline;
}

.footer-link:hover {
  color: #444;
}

.external-link-icon {
  font-size: 12px;
  vertical-align: text-top;
}