* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: #111;
  background: #fafafa;
}
.header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid #eee;
  background: #fff;
}
.container {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 20px;
}
.input-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 12px;
  align-items: center;
}
.input-row input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
}
.input-row button {
  padding: 10px 16px;
  background: #111;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
.tabs {
  margin-top: 20px;
  display: flex;
  gap: 8px;
}
.tab {
  padding: 8px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}
.tab.active {
  background: #111;
  color: #fff;
  border-color: #111;
}
.panel {
  display: none;
  margin-top: 16px;
}
.panel.active {
  display: block;
}
.card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 16px;
}
.row {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: center;
  padding: 8px 0;
}
.label {
  color: #666;
}
.value {
  overflow-wrap: anywhere;
}
textarea#embedCode {
  width: 100%;
  height: 240px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
}
#copyBtn {
  margin-top: 12px;
  padding: 10px 16px;
  background: #111;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
.preview-tip {
  font-size: 12px;
  color: #666;
  margin-bottom: 8px;
}
.list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.list li {
  padding: 8px 0;
  border-bottom: 1px dashed #eee;
}
.list a {
  color: #0366d6;
  text-decoration: none;
  overflow-wrap: anywhere;
}