/* Classwork 7 self-check. The course and Bootstrap variables follow both themes. */
.cw7-quiz {
  --cw7-ink: var(--nre-ink);
  --cw7-muted: var(--nre-muted);
  --cw7-paper: var(--nre-surface);
  --cw7-line: var(--nre-line);
  --cw7-accent: var(--nre-link);
  --cw7-correct: var(--bs-success-text-emphasis, var(--nre-navy));
  --cw7-incorrect: var(--bs-danger-text-emphasis, var(--nre-coral));
  color: var(--cw7-ink);
  min-width: 0;
}

.cw7-quiz [hidden],
.cw7-quiz .cw7-feedback-template[hidden] {
  display: none !important;
}

.cw7-quiz .cw7-controls,
.cw7-quiz .cw7-results {
  margin-block: 1.5rem;
  padding: clamp(0.85rem, 2.5vw, 1.3rem);
  border: 1px solid var(--cw7-line);
  border-radius: 0.65rem;
  background: var(--cw7-paper);
}

.cw7-quiz .cw7-progress {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
  font-weight: 600;
}

.cw7-quiz .cw7-progress progress {
  display: block;
  width: 100%;
  height: 0.75rem;
  overflow: hidden;
  border: 0;
  border-radius: 1rem;
  accent-color: var(--cw7-accent);
  background: var(--cw7-line);
}

.cw7-quiz .cw7-progress progress::-webkit-progress-bar {
  border-radius: 1rem;
  background: var(--cw7-line);
}

.cw7-quiz .cw7-progress progress::-webkit-progress-value {
  border-radius: 1rem;
  background: var(--cw7-accent);
}

.cw7-quiz .cw7-progress progress::-moz-progress-bar {
  border-radius: 1rem;
  background: var(--cw7-accent);
}

.cw7-quiz .cw7-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.cw7-quiz .cw7-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  max-width: 100%;
  padding: 0.6rem 1rem;
  border: 2px solid var(--cw7-accent);
  border-radius: 0.4rem;
  background: var(--cw7-accent);
  color: var(--nre-canvas);
  font: inherit;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
  white-space: normal;
  cursor: pointer;
}

.cw7-quiz .cw7-button-secondary {
  background: transparent;
  color: var(--cw7-accent);
}

.cw7-quiz .cw7-button:hover:not(:disabled) {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.cw7-quiz .cw7-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.cw7-quiz :is(button, input, textarea, a, summary):focus-visible {
  outline: 3px solid var(--cw7-accent);
  outline-offset: 3px;
}

.cw7-quiz .cw7-question {
  min-width: 0;
  margin-block: 1.8rem;
  padding: 0.15rem 0 0.4rem 0.8rem;
  border-inline-start: 4px solid transparent;
  scroll-margin-top: 6rem;
}

.cw7-quiz .cw7-options {
  min-width: 0;
  margin: 1rem 0;
  padding: 0;
  border: 0;
}

.cw7-quiz .cw7-options > legend {
  float: none;
  width: auto;
  margin-bottom: 0.6rem;
  color: var(--cw7-ink);
  font-size: 1rem;
  font-weight: 600;
}

.cw7-quiz .cw7-choices {
  margin: 0;
  padding-inline-start: 1.8rem;
}

.cw7-quiz .cw7-choice {
  margin-block: 0.45rem;
  padding-inline-start: 0.1rem;
}

.cw7-quiz .cw7-choice::marker {
  color: var(--cw7-muted);
  font-weight: 600;
}

.cw7-quiz .cw7-option {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  min-height: 44px;
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 2px solid var(--cw7-line);
  border-radius: 0.45rem;
  background: var(--cw7-paper);
  color: var(--cw7-ink);
  font-weight: 400;
  line-height: 1.5;
  cursor: pointer;
}

.cw7-quiz .cw7-option:hover,
.cw7-quiz .cw7-option:focus-within {
  border-color: var(--cw7-accent);
}

.cw7-quiz .cw7-option:has(input:checked) {
  border-color: var(--cw7-accent);
  background: color-mix(in srgb, var(--cw7-accent) 9%, var(--cw7-paper));
}

.cw7-quiz .cw7-option input[type="radio"] {
  flex: 0 0 auto;
  inline-size: 1.1em;
  block-size: 1.1em;
  margin: 0.2em 0 0;
  accent-color: var(--cw7-accent);
}

.cw7-quiz .cw7-option-text {
  min-width: 0;
  overflow-wrap: anywhere;
}

.cw7-quiz .cw7-option-text > :last-child {
  margin-bottom: 0;
}

.cw7-quiz .cw7-help {
  margin-block: 0.8rem;
  color: var(--cw7-muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

.cw7-quiz .cw7-help label {
  font-weight: 500;
  cursor: pointer;
}

.cw7-quiz .cw7-help label:has(input[type="checkbox"]) {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  min-height: 44px;
  padding-block: 0.5rem;
}

.cw7-quiz .cw7-help input[type="checkbox"] {
  flex: 0 0 auto;
  inline-size: 1.05em;
  block-size: 1.05em;
  margin-top: 0.22em;
  accent-color: var(--cw7-accent);
}

.cw7-quiz .cw7-feedback,
.cw7-quiz .cw7-status {
  margin-block: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--cw7-line);
  border-inline-start: 4px solid var(--cw7-accent);
  border-radius: 0.4rem;
  background: var(--cw7-paper);
  overflow-wrap: anywhere;
}

.cw7-quiz .cw7-feedback > :last-child,
.cw7-quiz .cw7-status > :last-child {
  margin-bottom: 0;
}

.cw7-quiz .cw7-status:empty {
  display: none;
}

.cw7-quiz .cw7-correct {
  border-inline-start-color: var(--cw7-correct);
}

.cw7-quiz .cw7-incorrect,
.cw7-quiz .cw7-unanswered {
  border-inline-start-color: var(--cw7-incorrect);
}

.cw7-quiz .cw7-correct .cw7-feedback {
  border-inline-start-color: var(--cw7-correct);
  background: color-mix(in srgb, var(--cw7-correct) 5%, var(--cw7-paper));
}

.cw7-quiz .cw7-incorrect .cw7-feedback {
  border-inline-start-color: var(--cw7-incorrect);
  background: color-mix(in srgb, var(--cw7-incorrect) 5%, var(--cw7-paper));
}

.cw7-quiz .cw7-correct .cw7-feedback > p:first-child {
  color: var(--cw7-correct);
  font-weight: 700;
}

.cw7-quiz .cw7-incorrect .cw7-feedback > p:first-child,
.cw7-quiz .cw7-missing {
  color: var(--cw7-incorrect);
  font-weight: 700;
}

.cw7-quiz .cw7-results {
  scroll-margin-top: 6rem;
}

.cw7-quiz .cw7-score {
  margin-block: 0.3rem 0.8rem;
  color: var(--cw7-accent);
  font-size: clamp(1.35rem, 4vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
}

.cw7-quiz .cw7-topic-list {
  display: grid;
  gap: 0.55rem;
  margin-block: 1rem;
  padding: 0;
  list-style: none;
}

.cw7-quiz .cw7-topic-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem 0.8rem;
  padding-block: 0.65rem;
  border-bottom: 1px solid var(--cw7-line);
  overflow-wrap: anywhere;
}

.cw7-quiz .cw7-topic-row > :last-child {
  margin-bottom: 0;
}

.cw7-quiz .cw7-study-list,
.cw7-quiz .cw7-help-list {
  padding-inline-start: 1.4rem;
}

.cw7-quiz .cw7-study-list > li,
.cw7-quiz .cw7-help-list > li {
  margin-block: 0.75rem;
  overflow-wrap: anywhere;
}

@media (max-width: 600px) {
  .cw7-quiz .cw7-question {
    padding-inline-start: 0.5rem;
  }

  .cw7-quiz .cw7-choices {
    padding-inline-start: 1.4rem;
  }

  .cw7-quiz .cw7-option {
    gap: 0.55rem;
    padding: 0.6rem;
  }

  .cw7-quiz .cw7-actions .cw7-button {
    flex: 1 1 11rem;
  }

  .cw7-quiz .cw7-topic-row {
    grid-template-columns: minmax(0, 1fr);
  }
}