.agentic-book-reader {
  margin: 24px 0;
  color: #1f2a27;
  font-family: Georgia, "Noto Serif Myanmar", "Myanmar MN", serif;
}

.agentic-book-hero {
  padding: 24px;
  border: 1px solid #d8e2d8;
  border-radius: 18px;
  background: linear-gradient(135deg, #fffdf7 0%, #eef8f0 100%);
}

.agentic-book-hero h2 {
  margin-top: 0;
  line-height: 1.35;
}

.agentic-book-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.agentic-book-button,
.agentic-book-actions a,
.agentic-book-toolbar a {
  display: inline-block;
  border: 1px solid #1f7a59;
  border-radius: 999px;
  padding: 8px 13px;
  color: #1f7a59;
  background: #ffffff;
  text-decoration: none;
  font-weight: 700;
}

.agentic-book-button {
  cursor: pointer;
}

.agentic-book-button:disabled {
  cursor: not-allowed;
  opacity: .45;
}

.agentic-book-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.agentic-book-toc,
.agentic-book-panel {
  border: 1px solid #d8e2d8;
  background: #ffffff;
  border-radius: 16px;
  padding: 16px;
}

.agentic-book-toc {
  position: sticky;
  top: 12px;
  max-height: calc(100vh - 24px);
  overflow: auto;
}

.agentic-book-toc h3,
.agentic-book-panel h3 {
  margin-top: 0;
}

.agentic-book-toc-item {
  width: 100%;
  display: block;
  text-align: left;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #1f2a27;
  padding: 8px 9px;
  margin: 2px 0;
  cursor: pointer;
  line-height: 1.35;
}

.agentic-book-toc-item:hover,
.agentic-book-toc-item.active {
  background: #edf7ef;
  color: #1f7a59;
}

.agentic-book-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid #d8e2d8;
}

.agentic-book-status {
  margin: 0 0 4px;
  color: #64746f;
  font-size: 14px;
}

.agentic-book-title {
  margin: 0;
  line-height: 1.35;
}

.agentic-book-body h1,
.agentic-book-body h2,
.agentic-book-body h3 {
  line-height: 1.35;
}

.agentic-book-body pre {
  overflow: auto;
  padding: 12px;
  border-radius: 10px;
  background: #f1eadb;
}

.agentic-book-body code {
  background: #f1eadb;
  border-radius: 4px;
  padding: 1px 5px;
}

.agentic-book-body pre code {
  padding: 0;
  background: transparent;
}

.agentic-book-body blockquote {
  margin: 16px 0;
  padding: 10px 14px;
  border-left: 5px solid #1f7a59;
  border-radius: 10px;
  background: #eef8f0;
}

.agentic-book-body table {
  display: block;
  width: 100%;
  overflow: auto;
  border-collapse: collapse;
}

.agentic-book-body th,
.agentic-book-body td {
  border: 1px solid #d8e2d8;
  padding: 8px 10px;
}

.agentic-book-body img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.agentic-book-error {
  padding: 12px 14px;
  border: 1px solid #e4a49a;
  border-radius: 10px;
  background: #fff0ed;
  color: #8d2b21;
}

@media (max-width: 820px) {
  .agentic-book-layout {
    grid-template-columns: 1fr;
  }

  .agentic-book-toc {
    position: static;
    max-height: none;
  }
}