/* Case study pages. Shared flow and step components come from explain.css. */

.case { max-width: calc(960px + 2 * var(--gutter)); }
.case__back { display: inline-flex; align-items: center; min-height: 44px; margin-bottom: 20px; font-size: 14px; color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }
@media (hover: hover) { .case__back:hover { color: var(--brand); } }
.case__kind { margin-bottom: 12px; font-size: 12px; text-transform: uppercase; color: var(--faint); }
.case h1 { max-width: 22em; color: var(--brand); }

.case__meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-block: 40px 16px; padding: 20px 24px; border-radius: var(--radius); background: var(--fill); }
.case__meta dd { font-size: 14px; color: var(--ink); }

.case__figs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 56px; }
.case__fig { display: flex; flex-direction: column-reverse; justify-content: flex-end; padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius); }
.case__fig dd { font: 400 30px/1.1 var(--mono); color: var(--brand); }
.case__fig dt { margin-top: 6px; font-size: 13px; color: var(--faint); }

.case__part { margin-bottom: 48px; }
.case__part > h2 { margin-bottom: 14px; }
.case__part > p { max-width: 46em; color: var(--muted); }
.case__part > p + p { margin-top: 12px; }
.case__part .flows, .case__part .steps { margin-block: 20px 0; }
.case__part .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.asks { display: grid; gap: 8px; margin-top: 16px; }
.asks li { padding: 12px 16px; border-left: 2px solid var(--brand); background: var(--fill); }

.episode { margin: 20px 0 0; padding: 24px; border-radius: var(--radius); background: var(--fill); }
.episode__head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-bottom: 16px; font-size: 13px; color: var(--faint); }
.episode__row { display: grid; grid-template-columns: 112px minmax(0, 1fr); align-items: center; gap: 12px; margin-top: 10px; }
.episode__row > * { min-width: 0; }
.episode__row > .label { margin: 0; }
.episode .segbar { margin: 0; }
.seg--retry { background: var(--error) !important; }
.episode__trace { display: block; width: 100%; height: 44px; border-radius: var(--radius-small); background: var(--bg); }
.episode__trace path { fill: none; stroke: var(--brand); stroke-width: 2; vector-effect: non-scaling-stroke; }
.episode__strip { display: block; width: 100%; height: auto; border-radius: var(--radius-small); }
.episode__axis { display: flex; justify-content: space-between; margin: 6px 0 0 124px; font-size: 11px; color: var(--faint); }
.case__lead { margin-top: 20px; color: var(--ink); }
.episode__note { margin-top: 14px; font-size: 13px; color: var(--faint); }

.remap { width: 100%; margin-top: 20px; border-collapse: collapse; font-size: 14px; }
.remap th { padding: 8px 12px; border-bottom: 1px solid var(--line); font-weight: 400; text-align: left; color: var(--faint); }
.remap td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.remap td:last-child { text-align: right; }

.case__cta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.case__cta p { flex: 1 1 280px; color: var(--brand); font-size: 18px; }

@media (max-width: 900px) {
  .case__meta, .case__figs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case__part .steps { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .episode__row { grid-template-columns: 1fr; gap: 6px; }
  .episode__axis { margin-left: 0; min-width: 520px; }
  .episode { overflow-x: auto; }
  .episode .segbar { min-width: 520px; }
  .episode__row:has(.episode__strip), .episode__row:has(.episode__trace) { min-width: 520px; }
  .remap { font-size: 13px; }
}

/* Episode explorer: open-dataset video, signals and segments in step. */
.explorer { margin: 20px 0 0; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); }
.explorer__grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 20px; align-items: start; }
.explorer__media { display: grid; gap: 10px; }
.explorer__media video { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-small); background: var(--fill-strong); }
.explorer__play[hidden] { display: none; }
.explorer__chart { border-radius: var(--radius-small); cursor: crosshair; touch-action: pan-y; }
.explorer__readout { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; min-height: 28px; margin-bottom: 8px; font-size: 12px; color: var(--slate); }
.explorer__readout .key { display: inline-flex; align-items: center; gap: 6px; }
.explorer__readout .key i { width: 14px; height: 3px; border-radius: 2px; background: currentColor; }
.explorer__readout b { font-weight: 500; color: var(--ink); }
.explorer__svg { display: block; width: 100%; height: auto; overflow: visible; }
.explorer__svg .line { fill: none; stroke-width: 2; vector-effect: non-scaling-stroke; }
.line--a { stroke: var(--brand); color: var(--brand); }
.line--b { stroke: #C2410C; color: #C2410C; stroke-dasharray: 5 3; }
.explorer__svg .band rect { fill: var(--fill-strong); }
.explorer__svg .band text { fill: var(--slate); font: 500 11px var(--mono); text-anchor: middle; }
.explorer__svg .band.is-active rect { fill: var(--brand); }
.explorer__svg .band.is-active text { fill: #FFFFFF; }
.explorer__svg .tick { fill: var(--faint); font: 400 10px var(--mono); }
.explorer__svg .head { stroke: var(--ink); stroke-width: 1; vector-effect: non-scaling-stroke; }
.explorer__table { width: 100%; margin-top: 14px; border-collapse: collapse; font-size: 13px; }
.explorer__table th { padding: 6px 8px; border-bottom: 1px solid var(--line); font-weight: 400; text-align: left; color: var(--faint); }
.explorer__table td { padding: 4px 8px; border-bottom: 1px solid var(--line); }
.explorer__table tr.is-active td { background: var(--fill); }
.explorer__table tr.is-active .linklike { color: var(--brand); font-weight: 500; }
.linklike { min-height: 32px; padding: 0; border: 0; background: none; color: var(--ink); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.explorer figcaption { margin-top: 14px; font-size: 13px; color: var(--faint); }
.explorer figcaption a { color: var(--brand); }

/* Dataset-wide bars. Plain HTML, so they read without JavaScript. */
.bars__title { margin-top: 28px; font-size: 16px; color: var(--brand); }
.bars { display: grid; gap: 8px; margin-top: 12px; }
.bars li { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 2fr) 56px; align-items: center; gap: 12px; font-size: 14px; }
.bars__track { height: 14px; border-radius: 4px; background: var(--fill); overflow: hidden; }
.bars__track span { display: block; height: 100%; border-radius: 4px; background: var(--brand); }
.bars li.is-flag .bars__track span { background: #C2410C; }
.bars li.is-flag .bars__label::after { content: ' · flagged'; color: #C2410C; font: 400 11px var(--mono); text-transform: uppercase; }
.bars__n { text-align: right; }
.bars__note { margin-top: 12px; font-size: 14px; color: var(--muted); }

@media (max-width: 900px) {
  .explorer__grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .explorer { padding: 14px; }
  .bars li { grid-template-columns: minmax(0, 1fr) 48px; }
  .bars__track { grid-column: 1 / -1; grid-row: 2; }
}