/* style.css */
body {
  font-family: 'Arial', sans-serif;
  background-color: #f9f9f9;
  color: #333;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background: #fff;
  padding: 25px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header, section, footer {
  margin-bottom: 20px;
}

h1, h2, h3, h4, h5 {
  color: #444;
  line-height: 1.3;
}

.duration {
  font-style: italic;
  color: #666;
}

code {
  background: #eee;
  padding: 2px 4px;
  border-radius: 3px;
}

.content-detail p,
.content-detail ul,
.content-detail ol {
  margin-bottom: 15px;
  line-height: 1.5;
}

.code-block {
  position: relative;
  background: #2d2d2d;
  color: #f8f8f2;
  padding: 15px;
  border-radius: 5px;
  margin: 15px 0;
  overflow-x: auto;
}

.copy-btn {
  position: absolute;
  top: 15px;
  right: 15px;
  background: #66d9ef;
  color: #272822;
  border: none;
  padding: 5px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.9em;
}

.copy-btn:hover {
  background: #a1e8ff;
}

.toggle {
  background: #eee;
  padding: 10px;
  border-radius: 3px;
  text-align: center;
  cursor: pointer;
  margin-bottom: 10px;
  user-select: none;
}

.hidden {
  display: none;
}

pre {
  margin: 0;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.9em;
  white-space: pre-wrap;
}