body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

main {
  max-width: 800px;
  margin: auto;
  padding: 20px;
}

section {
  margin-bottom: 40px;
}

a {
  color: #007bff;
}

.setup-instructions ol {
  padding-left: 1.5em;
}

.setup-instructions li {
  margin-bottom: 20px;
}

.setup-instructions img {
  max-width: 100%;
  height: auto;
  margin-top: 10px;
}

.slides-embed {
  position: relative;
  padding-top: 59.27%; /* Google Slides 16:9 frame plus toolbar */
  margin-bottom: 30px;
}

.slides-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Dropdown (choices.js): body[data-app] hides the steps for the other apps */
body:not([data-app="deepseek"]) .app-deepseek,
body:not([data-app="chatgpt"]) .app-chatgpt,
body:not([data-app="claude"]) .app-claude {
  display: none !important;
}

.choice-sentence {
  font-size: 1.15em;
  line-height: 2.2;
}

.choice-sentence select {
  font: inherit;
  font-size: 0.95em;
  padding: 4px 8px;
  margin: 0 4px;
  border: 1px solid #007bff;
  border-radius: 5px;
  background-color: #fff;
  color: #007bff;
}

.choose-prompt {
  color: #777;
  font-style: italic;
}

[hidden] {
  display: none !important;
}