/*!
 * Working with Claude — lesson reading rhythm (claude-course only)
 * © 2026 My Digital Sovereignty Ltd · CC BY 4.0
 *
 * Loaded ONLY by claude-course lesson pages (on top of the shared course.css).
 * The shared design system applies a global *{margin:0} reset, so pandoc lesson
 * bodies render as a flat, tight flow inside .module-card. These rules restore a
 * professional long-form measure, line-height and vertical rhythm — without
 * touching the governance or business courses, which share course.css but do not
 * load this file.
 */

.module-card { padding: clamp(var(--space-6), 4.5vw, var(--space-12)); }

/* Reading measure ~66ch — comfortable line length for prose */
.module-card > p,
.module-card > ul,
.module-card > ol,
.module-card > blockquote,
.module-card > h2,
.module-card > h3,
.module-card > h4 { max-width: 66ch; }

/* Paragraphs: airier line-height + real spacing between them */
.module-card p { margin-block: 0 var(--space-5); line-height: 1.75; }
.module-card > p:first-of-type { margin-top: var(--space-2); }

/* Heading rhythm: more space above than below, so sections breathe */
.module-card h2 { margin-block: var(--space-10) var(--space-4); line-height: 1.2; }
.module-card h3 { margin-block: var(--space-8) var(--space-3); line-height: 1.25; }
.module-card h4 { margin-block: var(--space-6) var(--space-3); }
.module-card h2:first-child,
.module-card h3:first-child { margin-top: var(--space-2); }

/* Lists: indented, spaced, readable */
.module-card ul,
.module-card ol { margin-block: 0 var(--space-5); padding-left: 1.5em; }
.module-card li { margin-block: var(--space-3) 0; line-height: 1.75; padding-left: 0.15em; }
.module-card li > p { margin-block: 0; }

/* Prompt examples (blockquotes) — set off as a distinct, calm panel */
.module-card blockquote {
  max-width: 72ch; margin-block: var(--space-6); padding: var(--space-5) var(--space-6);
  border-left: 3px solid var(--color-primary); background: var(--color-surface-2);
  border-radius: var(--radius-md); font-style: normal; color: var(--color-text);
}
.module-card blockquote p { margin-block: 0 var(--space-3); }
.module-card blockquote p:last-child { margin-bottom: 0; }

/* Thematic breaks as quiet section dividers */
.module-card hr { margin-block: var(--space-10); border: 0; border-top: 1px solid var(--color-divider); }

/* Inline emphasis */
.module-card strong { font-weight: 700; color: var(--color-text); }

/* A little more room under the meta tags before the reading starts */
.module-card .module-meta { margin-bottom: var(--space-6); }

/* ---- "Think time" pause callout (generative-questioning prompts) ---- */
.module-card .thinktime {
  max-width: 66ch; margin: var(--space-8) 0;
  padding: var(--space-5) var(--space-6) var(--space-6);
  background: var(--color-primary-highlight); border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
}
.module-card .thinktime::before {
  content: "Think time"; display: block;
  font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .14em;
  color: var(--color-primary-hover); font-weight: 700; margin-bottom: var(--space-3);
}
.module-card .thinktime > p { margin-block: 0 var(--space-3); line-height: 1.7; max-width: none; }
.module-card .thinktime > p:last-child { margin-bottom: 0; }
.module-card .thinktime > p:first-child {
  font-size: var(--text-lg); line-height: 1.4; font-family: var(--font-display); color: var(--color-text);
}

/* ---- Watermarked lesson figure (matches the primer photo byline) ---- */
.module-card .course-figure {
  position: relative; margin: var(--space-8) 0; border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-md);
}
.module-card .course-figure img { display: block; width: 100%; height: auto; }
.module-card .course-figure.hero { aspect-ratio: 16 / 7; }
.module-card .course-figure.hero img { height: 100%; object-fit: cover; }
.module-card .course-figure::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 42%;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.30)); pointer-events: none;
}
.module-card .course-figure .figure-credit {
  position: absolute; right: 0.8rem; bottom: 0.55rem; z-index: 1;
  font-size: 0.68rem; letter-spacing: .03em; color: rgba(255,255,255,0.78);
}

/* ---- Optional "question worth asking" exercise (non-graded) ---- */
.module-card .lesson-exercise:not(.has-exercise) { display: none; }
.module-card .lesson-exercise.has-exercise {
  margin: var(--space-10) 0 var(--space-4); padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.module-card .exercise-title { font-size: var(--text-xl); margin-bottom: var(--space-2); }
.module-card .exercise-intro { max-width: 66ch; color: var(--color-text-muted); margin-bottom: var(--space-5); }
.module-card .exercise-card {
  max-width: 68ch; margin: var(--space-5) 0; padding: var(--space-5) var(--space-6);
  background: var(--color-surface-offset); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
}
.module-card .exercise-scenario {
  font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.4;
  margin-bottom: var(--space-4); max-width: none;
}
.module-card .exercise-options { display: grid; gap: var(--space-3); }
.module-card .exercise-option {
  text-align: left; font: inherit; cursor: pointer; padding: var(--space-3) var(--space-4);
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  color: var(--color-text); transition: border-color .12s ease, background .12s ease;
}
.module-card .exercise-option:hover { border-color: var(--color-primary); }
.module-card .exercise-option:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.module-card .exercise-option.chosen { border-color: var(--color-primary); background: var(--color-primary-highlight); font-weight: 600; }
.module-card .exercise-feedback { display: none; }
.module-card .exercise-feedback.shown {
  display: block; margin-top: var(--space-3); padding: var(--space-4) var(--space-5);
  background: var(--color-surface); border-left: 3px solid var(--color-gold); border-radius: var(--radius-md);
}
.module-card .exercise-fb-text { margin: 0; line-height: 1.7; max-width: none; }
.module-card .exercise-close { display: none; }
.module-card .exercise-close.shown {
  display: block; margin-top: var(--space-4); font-style: italic;
  color: var(--color-text-muted); max-width: none;
}

/* ---- End-of-lesson koha call-to-action (activated button) ---- */
.module-card .lesson-koha {
  margin-top: var(--space-10); padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-3);
}
.module-card .lesson-koha p {
  margin: 0; max-width: 60ch; font-size: var(--text-sm); color: var(--color-text-muted);
}