/* Shared styles for generated lesson hub pages (content_N.html). */
:root {
  --bg: #f6f4ef;
  --text: #1a1a18;
  --muted: #5c5a54;
  --accent: #2d6a4f;
  --border: #d8d4cb;
  --card: #fff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 1.25rem 1.5rem 2.5rem;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

.page-wrap {
  max-width: 52rem;
  margin: 0 auto;
}

.breadcrumbs {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.breadcrumbs a {
  color: var(--accent);
}

h1 {
  font-size: 1.65rem;
  font-weight: 650;
  margin: 0 0 1rem;
  line-height: 1.25;
}

.note {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.quick-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1.75rem;
  font-size: 0.95rem;
}

.quick-table th,
.quick-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.quick-table tr:last-child td {
  border-bottom: none;
}

.quick-table th {
  width: 11rem;
  background: #ebe7de;
  font-weight: 600;
}

.quick-table a {
  color: var(--accent);
}

section.block {
  margin-bottom: 2rem;
}

section.block h2 {
  font-size: 1.2rem;
  margin: 0 0 0.75rem;
}

.links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-bottom: 0.5rem;
}

.links-row a {
  color: var(--accent);
  font-weight: 500;
}

.full-chapter {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  margin-bottom: 1.5rem;
}

.full-chapter p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.full-chapter a {
  color: var(--accent);
  font-weight: 600;
}

/* Scan carousel */
.scan-carousel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem 1.25rem;
  margin-bottom: 1.75rem;
}

.scan-carousel__toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.scan-carousel__toolbar button {
  font: inherit;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  color: var(--text);
}

.scan-carousel__toolbar button:hover {
  background: #f0ece4;
}

.scan-carousel__toolbar button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

#scan-carousel-counter {
  min-width: 4.5rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 0.95rem;
}

.scan-carousel__figure {
  margin: 0;
  text-align: center;
}

.scan-carousel__figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
}

.scan-carousel__caption {
  margin-top: 0.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.scan-carousel__open {
  text-align: center;
  margin: 0.75rem 0 0;
  font-size: 0.92rem;
}

.scan-carousel__open a {
  color: var(--accent);
}

.page-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-list li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}

.page-list li:last-child {
  border-bottom: none;
}

.page-list a {
  color: var(--accent);
}

.empty-msg {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Essence / Voice HTML (generate_essence_html.py) */
.app-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
}

.voice-top-links {
  display: block;
  margin: 0.5rem 0 0;
  font-size: 0.95rem;
}

.voice-top-links a {
  margin-right: 0.75rem;
  color: var(--accent);
}

.copy-row {
  margin: 0.75rem 0 0;
}

button#copy-all {
  cursor: pointer;
  padding: 0.45rem 0.9rem;
  font-size: 0.95rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-family: inherit;
}

button#copy-all:hover {
  filter: brightness(0.92);
}

.ok {
  color: #1a7f37;
  font-size: 0.9rem;
  margin-left: 0.5rem;
}

.essence-section h2 {
  margin-top: 1.75rem;
  font-size: 1.15rem;
  font-weight: 600;
}

#essence-render {
  overflow-x: auto;
}

#essence-render table {
  border-collapse: collapse;
  width: 100%;
  background: var(--card);
}

#essence-render th,
#essence-render td {
  border: 1px solid var(--border);
  padding: 0.35rem 0.5rem;
}

.prompt-details {
  margin-top: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
}

.prompt-details summary {
  cursor: pointer;
  padding: 0.65rem 1rem;
  font-size: 1.05rem;
  font-weight: 600;
  list-style: none;
}

.prompt-details summary::-webkit-details-marker {
  display: none;
}

.prompt-details summary::before {
  content: "\25B8 ";
  display: inline-block;
  width: 1.1em;
  color: var(--muted);
}

.prompt-details[open] summary::before {
  content: "\25BE ";
}

.prompt-details[open] summary {
  border-bottom: 1px solid var(--border);
}

#prompt-block {
  white-space: pre-wrap;
  background: #f0ece4;
  padding: 1rem;
  margin: 0;
  font-size: 0.9rem;
  border-radius: 0 0 7px 7px;
  color: var(--text);
}

.hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.35rem;
}