/* The free practice case runner. Two panes like the exam screen: the case
   narrative on the left, one question on the right. It reuses guide.css for
   buttons, notes, chips and tables, so only the runner itself is here. */

.fc-section {
  padding: 32px 0 8px;
}

/* On the free-case page the runner lines up with the wide title column. */
.guide-wide .fc-section > .ncmhce-shell {
  width: min(calc(100% - 40px), 1080px);
}

.fc-app {
  overflow: hidden;
  border: 1px solid #d5d9e4;
  border-radius: 12px;
  background: #fff;
}

.fc-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 20px;
  padding: 14px 22px;
  color: #fff;
  background: var(--navy);
}

.fc-bar p {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.fc-bar-clock {
  font-variant-numeric: tabular-nums;
}

.fc-bar-pace {
  color: #b9c6da;
  font-weight: 500;
}

/* Start screen and the no-script preview share this padding. */
.fc-start,
.fc-preview,
.fc-results {
  padding: 30px;
}

.fc-start {
  display: grid;
  gap: 22px;
}

.fc-start h2,
.fc-preview h2 {
  margin: 0;
  font-family: inherit;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.fc-start p,
.fc-preview p {
  margin: 8px 0 0;
  color: var(--guide-muted);
  font-size: 16px;
  line-height: 1.6;
}

.fc-preview-card {
  margin-top: 20px;
}

.fc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 560px;
}

/* Narrative pane. Scrolls on its own so the question never leaves view. */
.fc-narrative {
  border-right: 1px solid #e1e4ec;
  background: #f7f8fb;
}

.fc-narrative > summary {
  display: none;
}

.fc-narrative-body {
  max-height: 640px;
  overflow-y: auto;
  padding: 24px 26px 30px;
  color: var(--guide-text);
  font-size: 15px;
  line-height: 1.65;
}

.fc-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 0 0 22px;
  padding: 16px 18px;
  border: 1px solid #dde1ea;
  border-radius: 12px;
  background: #fff;
}

.fc-card > div:nth-last-child(-n+2) {
  grid-column: 1 / -1;
}

.fc-card dt {
  color: var(--guide-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .3px;
  text-transform: uppercase;
}

.fc-card dd {
  margin: 2px 0 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.45;
}

.fc-part + .fc-part {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid #dde1ea;
}

.fc-part:not(.is-current) {
  color: #5d6579;
}

.fc-part h3 {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 800;
}

.fc-part-meta {
  margin: 2px 0 0;
  color: var(--guide-muted);
  font-size: 13px;
  font-weight: 650;
}

.fc-part h4 {
  margin: 16px 0 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.fc-part p {
  margin: 4px 0 0;
}

/* Question pane */
.fc-question {
  padding: 24px 28px 30px;
}

.fc-map {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.fc-map-item {
  min-width: 40px;
  min-height: 40px;
  border: 1px solid #cfd4e1;
  border-radius: 10px;
  color: var(--guide-text);
  background: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 750;
  cursor: pointer;
}

.fc-map-item.is-answered {
  border-color: #b9b4f3;
  background: #f1f0ff;
}

.fc-map-item.is-flagged {
  box-shadow: inset 0 -3px 0 #b7791f;
}

.fc-map-item.is-current {
  border-color: var(--guide-accent);
  outline: 2px solid var(--guide-accent);
  outline-offset: 1px;
}

.fc-progress {
  margin: 18px 0 0;
  color: var(--guide-muted);
  font-size: 13px;
  font-weight: 750;
}

.fc-fieldset {
  margin: 8px 0 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.fc-stem {
  padding: 0;
  color: var(--ink);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
}

.fc-stem:focus {
  outline: none;
}

.fc-stem:focus-visible {
  outline: 3px solid #5145cd;
  outline-offset: 4px;
}

.fc-options {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.fc-option {
  display: grid;
  grid-template-columns: auto 30px 1fr;
  gap: 10px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid #cfd4e1;
  border-radius: 14px;
  color: var(--guide-text);
  font-size: 15px;
  line-height: 1.5;
  cursor: pointer;
}

.fc-option input {
  margin: 4px 0 0;
  accent-color: var(--guide-accent);
}

.fc-option:has(input:checked) {
  border-color: var(--guide-accent);
  background: #f5f4ff;
}

.fc-option:has(input:focus-visible) {
  outline: 3px solid #5145cd;
  outline-offset: 2px;
}

.fc-option:has(input:disabled) {
  cursor: default;
}

.fc-option.is-best {
  border-color: var(--guide-good);
  background: var(--guide-good-soft);
}

.fc-option.is-wrong {
  border-color: var(--guide-bad);
  background: var(--guide-bad-soft);
}

.fc-option-key {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  color: var(--guide-accent);
  background: #eeecff;
  font-size: 13px;
  font-weight: 850;
}

.fc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.fc-actions .button {
  cursor: pointer;
}

.fc-actions .button:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none;
}

.fc-actions .button-primary {
  margin-left: auto;
}

.fc-confirm {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid #d9d5fb;
  border-radius: 14px;
  background: #f7f6ff;
}

.fc-confirm p {
  margin: 0 0 6px;
  font-size: 15px;
}

.fc-confirm .tool-actions {
  margin-top: 12px;
}

/* Explanations: best answer first, then the chosen one, then the rest. */
.fc-feedback {
  margin-top: 18px;
}

.fc-verdict {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 800;
}

.fc-verdict.is-right { color: var(--guide-good); }
.fc-verdict.is-wrong { color: var(--guide-bad); }

.fc-rationale {
  padding: 12px 14px;
  border-left: 3px solid #d5d9e4;
  border-radius: 0 10px 10px 0;
  background: #f7f8fb;
  font-size: 14px;
  line-height: 1.55;
}

.fc-rationale + .fc-rationale {
  margin-top: 8px;
}

.fc-rationale.is-best { border-left-color: var(--guide-good); }
.fc-rationale.is-chosen { border-left-color: var(--guide-bad); }

.fc-rationale p {
  margin: 0;
}

.fc-rationale-label {
  color: var(--ink);
  font-size: 12px;
  font-weight: 850;
}

.fc-rationale-option {
  margin-top: 2px !important;
  color: var(--guide-muted);
  font-style: italic;
}

.fc-rationale-option + p {
  margin-top: 6px !important;
}

/* Results */
.fc-results > * + * {
  margin-top: 18px;
}

.fc-results h2 {
  margin: 0;
  font-family: inherit;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.fc-results h2:focus {
  outline: none;
}

.fc-results h3 {
  margin-top: 34px;
  font-size: 20px;
}

.fc-results > p {
  color: var(--guide-muted);
  font-size: 16px;
  line-height: 1.6;
}

.fc-results-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-block: 1px solid var(--home-line);
}

.fc-results-cta p {
  flex: 1 1 320px;
  margin: 0;
  font-size: 16px;
}

.fc-review-item {
  border-top: 1px solid var(--home-line);
}

.fc-review-item:last-child {
  border-bottom: 1px solid var(--home-line);
}

.fc-review-item > summary {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 14px 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  cursor: pointer;
}

.fc-review-item > summary .chip {
  flex: 0 0 auto;
}

.fc-review-item[open] {
  padding-bottom: 16px;
}

.fc-review-meta {
  margin: 0 0 10px;
  color: var(--guide-muted);
  font-size: 13px;
  font-weight: 650;
}

@media (max-width: 900px) {
  .fc-layout {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .fc-narrative {
    border-right: 0;
    border-bottom: 1px solid #e1e4ec;
  }

  .fc-narrative > summary {
    display: block;
    padding: 14px 20px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
  }

  .fc-narrative-body {
    max-height: 300px;
    padding: 4px 20px 22px;
  }

  .fc-question {
    padding: 20px;
  }

  .fc-start,
  .fc-preview,
  .fc-results {
    padding: 22px 20px;
  }

  .fc-actions .button {
    flex: 1 1 auto;
  }

  .fc-actions .button-primary {
    flex-basis: 100%;
    margin-left: 0;
  }

  .fc-results-cta {
    grid-template-columns: 1fr;
  }

  .fc-results-cta .button {
    width: 100%;
  }
}