.com-kviz {
  --kviz-burgundy: var(--accent, #6d0f1c);
  --kviz-gold: var(--highlight, #b38a35);
  --kviz-ink: var(--text-color, #2d2825);
  --kviz-muted: #6b6660;
  --kviz-line: color-mix(in srgb, var(--kviz-ink) 18%, transparent);
  --kviz-surface: color-mix(in srgb, #fff 92%, var(--kviz-gold));
  width: min(100%, 80rem);
  margin-inline: auto;
  padding: clamp(1.5rem, 4vw, 3.5rem) clamp(0.75rem, 3vw, 2rem) 4rem;
  color: var(--kviz-ink);
}

.kviz-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.65fr);
  gap: 0.75rem 4rem;
  align-items: end;
  padding-block-end: 2rem;
  border-block-end: 1px solid var(--kviz-line);
}

.kviz-kicker {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--kviz-burgundy);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.kviz-header h1 {
  margin: 0;
  font-family: var(--font-heading, Georgia, serif);
  font-size: clamp(2.4rem, 6vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.kviz-header > p:last-child {
  margin: 0;
  color: var(--kviz-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.kviz-setup,
.kviz-stage,
.kviz-result {
  margin-block-start: 2rem;
}

.kviz-stage {
  scroll-margin-top: 8rem;
}

.kviz-setup__intro {
  display: flex;
  gap: 1.25rem;
  align-items: start;
  margin-block-end: 1.5rem;
}

.kviz-step {
  flex: 0 0 auto;
  color: var(--kviz-gold);
  font-family: var(--font-heading, Georgia, serif);
  font-size: 1.5rem;
  line-height: 1;
}

.kviz-setup h2,
.kviz-question h2,
.kviz-result h2 {
  margin: 0;
  font-family: var(--font-heading, Georgia, serif);
  letter-spacing: 0;
}

.kviz-setup__intro p {
  margin: 0.35rem 0 0;
  color: var(--kviz-muted);
}

.kviz-settings {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  align-items: end;
  padding: 1.15rem;
  border: 1px solid var(--kviz-line);
  border-radius: 6px;
  background: var(--kviz-surface);
}

.kviz-settings > .kviz-primary {
  grid-column: 1 / -1;
  justify-self: start;
}

.kviz-settings label {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
  color: var(--kviz-muted);
  font-size: 0.8rem;
  font-weight: 750;
}

.kviz-settings select {
  width: 100%;
  min-height: 2.75rem;
  padding-inline: 0.65rem;
  border: 1px solid var(--kviz-line);
  border-radius: 4px;
  background: #fff;
  color: var(--kviz-ink);
}

.kviz-primary,
.kviz-secondary {
  min-height: 2.75rem;
  padding: 0.65rem 1.15rem;
  border-radius: 4px;
  font-weight: 800;
  cursor: pointer;
}

.kviz-primary {
  border: 1px solid var(--kviz-burgundy);
  background: var(--kviz-burgundy);
  color: #fff;
}

.kviz-primary:hover,
.kviz-primary:focus-visible { background: #4f0a14; }
.kviz-primary:disabled { cursor: not-allowed; opacity: 0.5; }

.kviz-secondary {
  border: 1px solid var(--kviz-line);
  background: #fff;
  color: var(--kviz-burgundy);
}

.kviz-availability {
  min-height: 1.3rem;
  margin: 0.65rem 0 0;
  color: var(--kviz-muted);
  font-size: 0.82rem;
}

.kviz-progress-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--kviz-muted);
  font-size: 0.86rem;
  font-weight: 750;
}

.kviz-progress-row p { margin: 0; }

.kviz-progress {
  height: 5px;
  margin-block: 0.55rem 2rem;
  overflow: hidden;
  background: color-mix(in srgb, var(--kviz-gold) 22%, #fff);
}

.kviz-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--kviz-gold);
  transition: width 220ms ease;
}

.kviz-question {
  width: min(100%, 64rem);
  margin-inline: auto;
  padding: clamp(1rem, 3vw, 1.5rem);
  background: color-mix(in srgb, var(--kviz-surface) 72%, #fff);
  border: 1px solid var(--kviz-line);
  border-block-start: 3px solid var(--kviz-burgundy);
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(45, 40, 37, 0.07);
}

.kviz-question__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  margin-block-end: 0.75rem;
  color: var(--kviz-burgundy);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.kviz-question h2 {
  max-width: 38ch;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.18;
}

.kviz-question h2:focus {
  outline: none;
}

.kviz-question-media {
  width: 100%;
  margin: 1.4rem 0 0;
}

.kviz-question-media[hidden] { display: none; }

.kviz-question-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 32rem;
  object-fit: contain;
  border: 1px solid var(--kviz-line);
  background: #ece9e4;
}

.kviz-question-media figcaption {
  margin-block-start: 0.45rem;
  color: var(--kviz-muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.kviz-question-media figcaption[hidden] { display: none; }

.kviz-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-block-start: 1.75rem;
}

.kviz-options:has(.kviz-matching),
.kviz-options:has(.kviz-order-bank) {
  grid-template-columns: 1fr;
}

.kviz-task-instruction {
  margin: 0 0 0.2rem;
  color: var(--kviz-muted);
  line-height: 1.55;
}

.kviz-matching {
  display: grid;
  gap: 0.65rem;
}

.kviz-match-row {
  display: grid;
  grid-template-columns: 2.25rem minmax(10rem, 1fr) minmax(12rem, 1fr);
  gap: 0.75rem;
  align-items: center;
  min-height: 4rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--kviz-line);
  border-radius: 6px;
  background: #fff;
}

.kviz-match-row select {
  width: 100%;
  min-height: 2.75rem;
  padding-inline: 0.65rem;
  border: 1px solid var(--kviz-line);
  border-radius: 4px;
  background: #fff;
  color: var(--kviz-ink);
}

.kviz-match-row.is-correct {
  border-color: #357354;
  background: #edf7f1;
}

.kviz-match-row.is-incorrect {
  border-color: #a44750;
  background: #fff1f1;
}

.kviz-check { justify-self: start; }

.kviz-teacher-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  justify-content: space-between;
  margin-block-start: 1.25rem;
  padding-block: 1rem;
  border-block: 1px solid var(--kviz-line);
}

.kviz-teacher-panel[hidden] { display: none; }
.kviz-teacher-panel > p { margin: 0; color: var(--kviz-muted); }

.kviz-teacher-grade {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.kviz-teacher-grade[hidden] { display: none; }
.kviz-teacher-grade strong { margin-inline-end: 0.35rem; }

.com-kviz.is-teacher-mode .kviz-question {
  width: min(100%, 70rem);
}

.com-kviz.is-teacher-mode .kviz-question h2 {
  max-width: 100%;
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.com-kviz.is-teacher-mode .kviz-option {
  min-height: 5.5rem;
  font-size: 1.1rem;
}

.com-kviz.is-teacher-mode .kviz-question-media img { max-height: 38rem; }

.com-kviz.is-teacher-mode .kviz-order-item:disabled { opacity: 1; }

.kviz-order-bank {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.kviz-order-item {
  min-height: 3.5rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--kviz-line);
  border-radius: 4px;
  background: #fff;
  color: var(--kviz-ink);
  text-align: left;
  cursor: pointer;
}

.kviz-order-item:hover,
.kviz-order-item:focus-visible {
  border-color: var(--kviz-gold);
  background: var(--kviz-surface);
}

.kviz-order-item:disabled {
  cursor: default;
  opacity: 0.45;
}

.kviz-order-title { margin-block-start: 0.4rem; }

.kviz-order-sequence {
  display: grid;
  gap: 0.45rem;
  min-height: 3rem;
  margin: 0;
  padding: 0.65rem 0.65rem 0.65rem 2.5rem;
  border-inline-start: 3px solid var(--kviz-gold);
  background: var(--kviz-surface);
}

.kviz-order-sequence li {
  padding-inline-start: 0.25rem;
  line-height: 1.45;
}

.kviz-order-sequence:empty::after {
  content: '';
  min-height: 1.7rem;
}

.kviz-order-sequence.is-correct { border-inline-start-color: #357354; }
.kviz-order-sequence.is-incorrect { border-inline-start-color: #a44750; }

.kviz-task-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.kviz-option {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: center;
  min-height: 4.5rem;
  padding: 0.75rem;
  border: 1px solid var(--kviz-line);
  border-radius: 6px;
  background: #fff;
  color: var(--kviz-ink);
  text-align: left;
  cursor: pointer;
}

.kviz-option:hover,
.kviz-option:focus-visible {
  border-color: var(--kviz-gold);
  background: var(--kviz-surface);
}

.kviz-option:disabled { cursor: default; opacity: 1; }

.kviz-option__marker {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--kviz-gold);
  border-radius: 50%;
  color: var(--kviz-burgundy);
  font-weight: 850;
}

.kviz-option.is-correct {
  border-color: #357354;
  background: #edf7f1;
}

.kviz-option.is-incorrect {
  border-color: #a44750;
  background: #fff1f1;
}

.kviz-feedback {
  margin-block-start: 1.25rem;
  padding: 1rem 1.15rem;
  border-inline-start: 4px solid var(--kviz-gold);
  background: var(--kviz-surface);
}

.kviz-feedback.is-correct { border-inline-start-color: #357354; }
.kviz-feedback.is-incorrect { border-inline-start-color: #a44750; }
.kviz-feedback > p { margin: 0.35rem 0 0.9rem; line-height: 1.6; }

.kviz-related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-block-end: 0.9rem;
}

.kviz-related-links:empty { display: none; }
.kviz-related-links a { color: var(--kviz-burgundy); font-weight: 750; }

.kviz-result {
  width: min(100%, 48rem);
  margin-inline: auto;
  padding: 2rem;
  border-block: 1px solid var(--kviz-line);
  text-align: center;
}

.kviz-result__eyebrow {
  margin: 0.75rem 0 0.3rem;
  color: var(--kviz-burgundy);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.kviz-result h2 { font-size: clamp(2rem, 5vw, 3.6rem); }

.kviz-result__score {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 0.35rem;
  margin-block: 1rem;
  color: var(--kviz-burgundy);
}

.kviz-result__score strong {
  font-family: var(--font-heading, Georgia, serif);
  font-size: 4.5rem;
  line-height: 1;
}

.kviz-result__score span { font-size: 1.5rem; }
.kviz-result > p:last-of-type { color: var(--kviz-muted); line-height: 1.65; }

.kviz-result__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-block-start: 1.4rem;
}

.kviz-empty {
  margin-block-start: 2rem;
  padding: 1rem;
  border: 1px solid var(--kviz-line);
  background: var(--kviz-surface);
}

@media (max-width: 950px) {
  .kviz-header { grid-template-columns: 1fr; }
  .kviz-settings { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .com-kviz { padding-inline: 0.625rem; }
  .kviz-settings,
  .kviz-options,
  .kviz-order-bank { grid-template-columns: 1fr; }
  .kviz-settings .kviz-primary { width: 100%; }
  .kviz-match-row { grid-template-columns: 2.25rem minmax(0, 1fr); }
  .kviz-match-row select { grid-column: 1 / -1; }
  .kviz-teacher-panel,
  .kviz-teacher-grade { align-items: stretch; }
  .kviz-teacher-panel > *,
  .kviz-teacher-grade > button { width: 100%; }
  .kviz-question h2 { font-size: 1.55rem; }
  .kviz-result { padding-inline: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .kviz-progress span { transition: none; }
}