/* Chapter Page Styles */
/* Base */
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: #1F2937;
  background-color: #FFFFFF;
  margin: 0;
  padding: 2rem 1rem;
  line-height: 1.6;
}
.content {
  max-width: 800px;
  margin: 0 auto;
}
h1 {
  font-weight: 600;
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  color: #111827;
}
.lead {
  font-size: 1.05rem;
  color: #374151;
  margin-bottom: 1.5rem;
}
h2 {
  font-size: 1.35rem;
  margin-top: 2.0rem;
  margin-bottom: 0.75rem;
  color: #111827;
  border-bottom: 2px solid #E5E7EB;
  padding-bottom: 0.3rem;
}
.learning-objectives {
  font-size: 1.75rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  color: #111827;
}
h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: #111827;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
th {
  background-color: #F3F4F6;
  color: #111827;
  font-weight: 600;
  padding: 0.75rem;
  text-align: left;
  border: 1px solid #E5E7EB;
}
td {
  padding: 0.75rem;
  border: 1px solid #E5E7EB;
  vertical-align: top;
}
tr:nth-child(even) {
  background-color: #F9FAFB;
}
tr:hover {
  background-color: #F3F4F6;
}
p {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}
ul {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  padding-left: 1.25rem;
}
li {
  margin-bottom: 0.25rem;
}
code {
  background-color: #F3F4F6;
  padding: 0.1rem 0.3rem;
  border-radius: 0.25rem;
  font-family: Menlo, Monaco, Consolas, 'Courier New', monospace;
  font-size: 0.95rem;
}
pre {
  background-color: #111827;
  color: #F9FAFB;
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  font-family: Menlo, Monaco, Consolas, 'Courier New', monospace;
  font-size: 0.95rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}
.copy {
  display: inline-block;
  margin-top: 0.4rem;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  background-color: #2563EB;
  color: #FFFFFF;
  border: none;
  border-radius: 0.3rem;
  cursor: pointer;
}
.copy:hover {
  background-color: #1D4ED8;
}
.note {
  font-size: 0.9rem;
  color: #6B7280;
  background-color: #F9FAFB;
  padding: 0.4rem 0.6rem;
  border-left: 3px solid #E5E7EB;
  display: block;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.5rem auto;
  border: 1px solid #E5E7EB;
  border-radius: 0.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.figure-caption {
  text-align: center;
  font-size: 0.9rem;
  color: #6B7280;
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}
.workflow-section {
  margin-top: 2rem;
  margin-bottom: 2rem;
  padding: 1rem;
  background-color: #F9FAFB;
  border-radius: 0.5rem;
  border-left: 4px solid #2563EB;
}
dl {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}
dt {
  font-weight: 600;
  margin-top: 0.75rem;
  color: #111827;
}
dd {
  margin-left: 1.25rem;
  margin-bottom: 0.5rem;
  color: #374151;
}
ol {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  padding-left: 1.25rem;
}
.two-col {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}
.col {
  flex: 1;
  min-width: 240px;
}
.gloss {
  background-color: #F1F5F9;
  padding: 0.75rem;
  border-radius: 0.5rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}
.check {
  background-color: #ECFEFF;
  padding: 0.75rem;
  border-radius: 0.5rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}
a {
  color: #2563EB;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
/* Navigation */
.chapter-nav {
  margin-top: 3rem;
  margin-bottom: 2rem;
  padding-top: 2rem;
  border-top: 2px solid #E5E7EB;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.nav-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: #FFFFFF;
  background-color: #2563EB;
  border: none;
  border-radius: 0.5rem;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}
.nav-button:hover {
  background-color: #1D4ED8;
}
.nav-button:active {
  background-color: #1E40AF;
}
.nav-button.back {
  background-color: #6B7280;
}
.nav-button.back:hover {
  background-color: #4B5563;
}
.nav-button.home {
  background-color: #0EA5E9;
}
.nav-button.home:hover {
  background-color: #0284C7;
}
.nav-button.home:active {
  background-color: #0369A1;
}
.nav-button.next {
  margin-left: auto;
}
.nav-button:disabled,
.nav-button.hidden {
  display: none;
}
@media (max-width: 600px) {
  body {
    padding: 1rem 0.8rem;
  }
  h1 {
    font-size: 1.8rem;
  }
  .two-col {
    flex-direction: column;
  }
  .chapter-nav {
    flex-direction: column;
  }
  .nav-button {
    width: 100%;
    justify-content: center;
  }
  .nav-button.next {
    margin-left: 0;
  }
}