/* Layout shared by topic pages (brief, walkthrough, practice). Colours come from base.css. */

.prose { max-width: 760px; }
.prose h2 { font-size: 1.2rem; margin: 1.6em 0 0.4em; }
.prose h2:first-child { margin-top: 0; }
.prose figure { margin: 16px 0; }
.prose figcaption { font-size: 0.92rem; color: var(--muted); display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.rules li { margin: 0.2em 0; }

.roles { display: grid; gap: 4px; margin: 8px 0 12px; }
.roles div { display: flex; gap: 10px; align-items: baseline; }
.roles dt {
  font-weight: 700; color: var(--mark); min-width: 1.6em; text-align: center;
  border: 1.5px solid var(--mark); border-radius: 999px; line-height: 1.5;
}
.roles dd { margin: 0; }

table.cases { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
table.cases th, table.cases td { border-bottom: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
table.cases th { color: var(--muted); font-weight: 600; }
.next-cta { margin-top: 28px; }

.stage-layout { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(300px, 1fr); gap: 16px; align-items: start; }
@media (max-width: 860px) { .stage-layout { grid-template-columns: minmax(0, 1fr); } }
.stage { padding: 12px; }
.panel { display: flex; flex-direction: column; gap: 10px; }
.panel hr { border: 0; border-top: 1px solid var(--border); width: 100%; margin: 6px 0; }
.step-meta { font-size: 0.88rem; }
.narration { min-height: 5.5em; }
#prac-narration { min-height: 0; }
.narration:empty { display: none; }
.narration p { margin: 0 0 0.5em; }
.hint { font-size: 0.85rem; margin: 0; }
.form-error { color: var(--bad); margin: 0; font-size: 0.9rem; min-height: 1.2em; }

.case-callout {
  border-left: 4px solid var(--accent); background: var(--accent-soft);
  padding: 8px 12px; border-radius: 0 8px 8px 0; font-size: 0.95rem;
}
.case-callout .label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; display: block; }

.sequence { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 8px 4px 0; font-size: 0.9rem; }
.sequence button {
  appearance: none; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: inherit; font-weight: 600; border-radius: 999px; padding: 1px 10px; cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.sequence button[aria-current="true"] { border-color: var(--accent); background: var(--accent-soft); }

.practice-bar { margin-bottom: 16px; padding: 12px 16px; }
.practice-bar label { display: flex; gap: 6px; align-items: center; font-size: 0.92rem; }
.score { font-weight: 600; font-variant-numeric: tabular-nums; }
.question .prompt { font-weight: 600; margin: 4px 0 0; }
.summary h3 { margin: 0 0 8px; }
.summary table { border-collapse: collapse; width: 100%; margin-bottom: 12px; }
.summary td { padding: 4px 0; border-bottom: 1px solid var(--border); }
.summary td:last-child { text-align: right; font-variant-numeric: tabular-nums; }

.stage svg.array { margin-top: 4px; }
.prose figure svg.array { margin-top: 8px; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; font-size: 0.92rem; }
.legend .chip { margin-right: 4px; }