/* Quiz Practice — discovery, active workspace, results */
main.page.practice-page--quiz {
  max-width: min(1560px, 100%);
  box-sizing: border-box;
}
.practice-page--quiz {
  --quiz-primary: #245de8;
  --quiz-bg: #f5f7fb;
  --quiz-card: #ffffff;
  --quiz-text: #17233b;
  --quiz-muted: #68758a;
  --quiz-ok: #15976b;
  --quiz-bad: #c93b4a;
  background:
    radial-gradient(ellipse 42% 55% at 0% 18%, rgba(36, 93, 232, 0.07), transparent 70%),
    radial-gradient(ellipse 38% 50% at 100% 22%, rgba(91, 140, 255, 0.09), transparent 72%),
    var(--quiz-bg);
  padding-bottom: 48px;
  max-width: none;
  width: 100%;
}
.practice-page--quiz .quiz-app {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  max-width: none;
  width: 100%;
  margin: 0;
  padding: 8px 0 0;
  color: var(--quiz-text);
  align-items: start;
}
.practice-page--quiz .quiz-app.quiz-app--session,
.practice-page--quiz .quiz-app.quiz-app--results {
  max-width: min(1520px, 100%);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(8px, 1.5vw, 20px);
  padding-right: clamp(8px, 1.5vw, 20px);
}
.practice-page--quiz .quiz-app__stage {
  min-width: 0;
}
.quiz-rail-card {
  background: var(--quiz-card);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 1px 2px rgba(23, 35, 59, 0.05);
}
.quiz-rail-card__title {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--quiz-muted);
}
.quiz-rail-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.quiz-rail-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.quiz-rail-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--quiz-bg);
  border: 1px solid transparent;
  text-decoration: none;
  color: var(--quiz-text);
  transition: border-color 0.15s, background 0.15s;
}
.quiz-rail-link:hover {
  border-color: rgba(36, 93, 232, 0.25);
  background: rgba(36, 93, 232, 0.06);
}
.quiz-rail-link__label {
  font-size: 13px;
  font-weight: 800;
}
.quiz-rail-link__desc {
  font-size: 12px;
  color: var(--quiz-muted);
  line-height: 1.35;
}
.quiz-rail-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
}
.quiz-rail-stat__label {
  color: var(--quiz-muted);
}
.quiz-rail-stat__value {
  font-size: 14px;
  font-weight: 800;
  color: var(--quiz-text);
}
.quiz-rail-note,
.quiz-rail-tip {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--quiz-muted);
}
.quiz-rail-tip {
  margin: 0;
}
.quiz-rail-checklist {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--quiz-muted);
}
.quiz-rail-checklist li {
  margin-bottom: 6px;
}
.quiz-rail-topic-list,
.quiz-rail-path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.quiz-rail-topic,
.quiz-rail-path {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.quiz-rail-topic__name,
.quiz-rail-path__name {
  font-weight: 600;
  line-height: 1.3;
}
.quiz-rail-topic__count,
.quiz-rail-path__count {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 800;
  color: var(--quiz-primary);
  background: rgba(36, 93, 232, 0.1);
  padding: 2px 7px;
  border-radius: 999px;
}
[data-theme="dark"] .practice-page--quiz {
  --quiz-bg: #171c28;
  --quiz-card: #222938;
  --quiz-text: #e6eaf2;
  --quiz-muted: #9aa5b8;
}
.quiz-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--quiz-muted);
  margin-bottom: 16px;
}
.quiz-crumb a {
  color: var(--quiz-muted);
  text-decoration: none;
  font-weight: 600;
}
.quiz-crumb a:hover {
  color: var(--quiz-primary);
}
.quiz-crumb__sep {
  opacity: 0.5;
}
/* Hero */
.quiz-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 28px;
  align-items: center;
  margin-bottom: 28px;
  padding: 28px 30px 30px;
  border-radius: 22px;
  background: linear-gradient(135deg, #ffffff 0%, #f0f5ff 48%, #ebe8ff 100%);
  border: 1px solid rgba(36, 93, 232, 0.12);
  box-shadow: 0 12px 40px rgba(23, 35, 59, 0.08);
  overflow: hidden;
  position: relative;
}
[data-theme="dark"] .quiz-hero-panel {
  background: linear-gradient(135deg, #222938 0%, #1e2840 50%, #252040 100%);
  border-color: rgba(255, 255, 255, 0.08);
}
.quiz-hero-panel__eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--quiz-primary);
}
.quiz-hero-panel h1 {
  margin: 0 0 12px;
  font-size: clamp(32px, 4vw, 40px);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--quiz-text);
}
.quiz-hero-panel__lead {
  margin: 0 0 20px;
  color: var(--quiz-muted);
  font-size: 16px;
  line-height: 1.6;
  max-width: 52ch;
}
.quiz-hero-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.quiz-hero-panel__visual {
  position: relative;
}
.quiz-hero-panel__art {
  display: block;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  border-radius: 18px;
}
.quiz-hero-float {
  position: absolute;
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--quiz-card);
  border: 1px solid var(--border, #e2e8f0);
  box-shadow: 0 8px 24px rgba(23, 35, 59, 0.1);
  font-size: 11px;
  color: var(--quiz-muted);
  line-height: 1.3;
}
.quiz-hero-float strong {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: var(--quiz-primary);
}
.quiz-hero-float--topics {
  left: 0;
  bottom: 12%;
}
.quiz-hero-float--bank {
  right: 0;
  top: 8%;
}
.quiz-discovery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  gap: 22px;
  align-items: start;
}
.quiz-discovery-layout--wide {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
}
.quiz-discovery-side--left {
  display: none;
  flex-direction: column;
  gap: 14px;
}
@media (min-width: 1180px) {
  .quiz-discovery-layout--wide {
    grid-template-columns: minmax(220px, 248px) minmax(0, 1fr) minmax(260px, 300px);
  }
  .quiz-discovery-side--left {
    display: flex;
  }
}
.quiz-discovery-main {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.quiz-discovery-aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.quiz-stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 0;
}
.quiz-stat-row--4 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.quiz-stat-row--full {
  margin-bottom: 22px;
}
@media (min-width: 900px) {
  .quiz-stat-row--4.quiz-stat-row--full {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.quiz-stat-card {
  display: flex;
  gap: 14px;
  align-items: center;
  min-width: 0;
  padding: 18px 20px;
  background: var(--quiz-card);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 14px;
  box-shadow: 0 1px 2px rgba(23, 35, 59, 0.06);
}
.quiz-stat-card__icon {
  font-size: 22px;
  line-height: 1;
}
.quiz-stat-card__img {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: 12px;
}
.quiz-stat-card__value {
  display: block;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.1;
}
.quiz-stat-card__value--muted {
  font-size: 22px;
  color: var(--quiz-muted);
}
.quiz-stat-card__label {
  font-size: 13px;
  color: var(--quiz-muted);
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.quiz-discovery,
.quiz-active,
.quiz-results {
  min-width: 0;
  max-width: 100%;
}
.quiz-config-card,
.quiz-continue-card,
.quiz-results-card,
.quiz-info-card {
  background: var(--quiz-card);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 0;
  box-shadow: 0 1px 3px rgba(23, 35, 59, 0.06);
}
.quiz-config-card--featured {
  border-color: rgba(36, 93, 232, 0.22);
  box-shadow: 0 10px 32px rgba(36, 93, 232, 0.1);
}
.quiz-config-card__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
}
.quiz-config-card__head h2 {
  margin: 0 0 4px;
}
.quiz-config-card__icon {
  flex: 0 0 auto;
  border-radius: 12px;
}
.quiz-topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.quiz-topic-chip {
  appearance: none;
  border: 1px solid var(--border, #dce3ee);
  background: var(--quiz-bg);
  color: var(--quiz-text);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 7px 12px;
  border-radius: 999px;
  cursor: pointer;
}
.quiz-topic-chip:hover {
  border-color: var(--quiz-primary);
  color: var(--quiz-primary);
}
.quiz-topic-chip.is-active {
  background: rgba(36, 93, 232, 0.12);
  border-color: var(--quiz-primary);
  color: var(--quiz-primary);
}
.quiz-info-card h2 {
  margin: 0 0 6px;
  font-size: 18px;
}
.quiz-info-card__sub {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--quiz-muted);
}
.quiz-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.quiz-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.quiz-step h3 {
  margin: 0 0 4px;
  font-size: 14px;
}
.quiz-step p {
  margin: 0;
  font-size: 13px;
  color: var(--quiz-muted);
  line-height: 1.45;
}
.quiz-step img {
  flex: 0 0 auto;
  border-radius: 12px;
}
.quiz-path-grid {
  display: grid;
  gap: 10px;
}
.quiz-path-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px 12px 12px 10px;
  border-radius: 14px;
  border: 1px solid var(--border, #e8ecf2);
  background: var(--quiz-bg);
}
.quiz-path-card__art {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 10px;
}
.quiz-path-card h3 {
  margin: 0 0 2px;
  font-size: 14px;
  grid-column: 2;
}
.quiz-path-card p {
  margin: 0;
  font-size: 12px;
  color: var(--quiz-muted);
  grid-column: 2;
}
.quiz-path-card__link {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 4px;
  appearance: none;
  border: 0;
  background: none;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  color: var(--quiz-primary);
  cursor: pointer;
  padding: 0;
}
.quiz-path-card__link:hover {
  text-decoration: underline;
}
/* Path art is light artwork: frame it on dark surfaces so it does not glare */
[data-theme="dark"] .quiz-path-card {
  background: var(--quiz-card);
  border-color: rgba(255, 255, 255, 0.08);
}
[data-theme="dark"] .quiz-path-card__art {
  background: #2c3446;
  padding: 4px;
  box-sizing: border-box;
  border: 1px solid rgba(255, 255, 255, 0.1);
  filter: brightness(0.9);
}
.quiz-footnote--center {
  text-align: center;
  margin-top: 28px;
  max-width: 62ch;
  margin-left: auto;
  margin-right: auto;
}
.quiz-config-card h2,
.quiz-continue-card h2 {
  margin: 0 0 6px;
  font-size: 20px;
}
.quiz-config-card__sub {
  margin: 0 0 18px;
  color: var(--quiz-muted);
  font-size: 14px;
}
.quiz-field {
  margin-bottom: 16px;
}
.quiz-field label,
.quiz-field__label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--quiz-muted);
  margin-bottom: 8px;
}
.quiz-select {
  width: 100%;
  font: inherit;
  font-size: 15px;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--border, #dce3ee);
  background: var(--surface-2, var(--quiz-bg));
  color: var(--quiz-text);
}
.quiz-segments {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--border, #dce3ee);
  border-radius: 12px;
  background: var(--quiz-bg);
}
.quiz-segment {
  appearance: none;
  border: 1px solid transparent;
  background: var(--quiz-card);
  color: var(--quiz-text);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 9px;
  cursor: pointer;
  flex: 1 1 auto;
  min-width: 4.5rem;
  text-align: center;
}
.quiz-segment:hover {
  border-color: rgba(36, 93, 232, 0.35);
  color: var(--quiz-primary);
}
.quiz-segment.is-active {
  background: var(--quiz-primary);
  border-color: var(--quiz-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(36, 93, 232, 0.35);
}
.quiz-action-group--nav .quiz-btn-primary {
  width: auto;
}
.quiz-inline-check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: var(--quiz-muted);
  margin: 8px 0 12px;
  cursor: pointer;
}
.quiz-pool-note {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--quiz-muted);
  line-height: 1.45;
}
.quiz-btn-primary {
  width: 100%;
  justify-content: center;
  background: var(--quiz-primary) !important;
  border-color: var(--quiz-primary) !important;
  color: #fff !important;
  font-weight: 700;
}
.quiz-continue-card__title {
  margin: 0 0 4px;
  font-weight: 700;
}
.quiz-continue-card__progress {
  margin: 0 0 12px;
  color: var(--quiz-muted);
  font-size: 14px;
}
.quiz-continue-card__bar {
  height: 8px;
  border-radius: 999px;
  background: var(--border, #e2e8f0);
  overflow: hidden;
  margin-bottom: 16px;
}
.quiz-continue-card__bar span {
  display: block;
  height: 100%;
  background: var(--quiz-primary);
  border-radius: inherit;
}
.quiz-continue-card__btn {
  width: auto;
}
.quiz-continue-card--highlight {
  border-color: rgba(36, 93, 232, 0.25);
  background: linear-gradient(180deg, rgba(36, 93, 232, 0.06) 0%, var(--quiz-card) 40%);
}
.quiz-continue-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 10px;
  border-radius: 10px;
}
.quiz-footnote {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--quiz-muted);
}
/* Active session */
.quiz-active__header {
  background: var(--quiz-card);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 16px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
.quiz-active__header--compact {
  padding: 12px 16px 14px;
}
.quiz-active__header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.quiz-active__header-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 12px;
  flex: 1;
  min-width: 0;
}
.quiz-active__mode {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--quiz-muted);
}
.quiz-active__exit {
  flex: 0 0 auto;
  font-weight: 700;
}
.quiz-active__session-label {
  font-weight: 800;
  font-size: 15px;
}
.quiz-meta-stat {
  font-size: 13px;
  font-weight: 600;
  color: var(--quiz-muted);
}
.quiz-timer {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex: 0 0 auto;
  font-variant-numeric: tabular-nums;
  text-decoration: none;
}
.quiz-timer__label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--quiz-muted);
}
.quiz-timer__value {
  font-size: 18px;
  font-weight: 800;
  color: var(--quiz-text);
  line-height: 1;
}
.quiz-pill {
  font-size: 12px;
  font-weight: 800;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(36, 93, 232, 0.1);
  color: var(--quiz-primary);
}
.quiz-pill--ok {
  background: rgba(21, 151, 107, 0.12);
  color: var(--quiz-ok);
}
.quiz-pill--bad {
  background: rgba(201, 59, 74, 0.12);
  color: var(--quiz-bad);
}
.quiz-progress--lg {
  height: 8px;
  margin-bottom: 10px;
}
.quiz-active__header--compact .quiz-active__meta {
  margin: 0;
}
.quiz-active__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--quiz-muted);
}
.quiz-tag {
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--quiz-bg);
  font-weight: 700;
  font-size: 12px;
  text-transform: capitalize;
}
.quiz-tag--soft {
  font-weight: 600;
}
.quiz-workspace-grid {
  display: grid;
  grid-template-columns: minmax(248px, 300px) minmax(0, 2fr) minmax(252px, 300px);
  gap: clamp(22px, 2.8vw, 36px);
  align-items: stretch;
  min-height: min(72vh, 680px);
}
.quiz-nav-summary__bar {
  height: 6px;
  border-radius: 999px;
  background: var(--quiz-bg);
  overflow: hidden;
  margin-bottom: 6px;
}
.quiz-nav-summary__bar > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #245de8, #5b8cff);
}
.quiz-nav-summary__text {
  margin: 0 0 10px;
  font-size: 11px;
  color: var(--quiz-muted);
}
.quiz-nav-mini-stats {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border, #e2e8f0);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.quiz-nav-mini-stats .quiz-rail-stat {
  font-size: 12px;
}
.quiz-nav-panel,
.quiz-context-panel {
  background: var(--quiz-card);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: 0 1px 3px rgba(23, 35, 59, 0.05);
}
.quiz-nav-panel {
  max-height: min(72vh, 680px);
  overflow: auto;
}
.quiz-context-panel {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: min(78vh, 720px);
}
.quiz-nav-panel__title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 800;
  color: var(--quiz-text);
}
.quiz-nav-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}
.quiz-nav-dot {
  appearance: none;
  border: 1px solid var(--border, #dce3ee);
  background: var(--quiz-card);
  border-radius: 10px;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  width: 100%;
  min-height: 42px;
  padding: 8px 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  cursor: pointer;
  color: var(--quiz-text);
}
.quiz-nav-dot.is-current {
  border-color: var(--quiz-primary);
  box-shadow: 0 0 0 2px rgba(36, 93, 232, 0.28);
  z-index: 1;
}
.quiz-nav-dot.is-answered {
  background: rgba(36, 93, 232, 0.1);
  border-color: rgba(36, 93, 232, 0.35);
}
.quiz-nav-dot.is-checked.is-correct {
  background: rgba(21, 151, 107, 0.14);
  border-color: var(--quiz-ok);
}
.quiz-nav-dot.is-checked.is-wrong {
  background: rgba(201, 59, 74, 0.12);
  border-color: var(--quiz-bad);
}
.quiz-nav-dot.is-flagged {
  box-shadow: inset 0 0 0 2px #f5a623;
  position: relative;
}
.quiz-nav-dot.is-flagged::after {
  content: "⚑";
  position: absolute;
  top: -4px;
  right: -2px;
  font-size: 9px;
  line-height: 1;
  color: #e09000;
}
.quiz-nav-dot.is-correct {
  border-color: var(--quiz-ok);
}
.quiz-nav-dot.is-wrong {
  border-color: var(--quiz-bad);
}
.quiz-nav-legend-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--border, #e8ecf2);
  display: grid;
  gap: 8px;
  font-size: 12px;
  color: var(--quiz-muted);
  line-height: 1.35;
}
.quiz-nav-legend-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.quiz-legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  flex: 0 0 auto;
  border: 1px solid var(--border, #dce3ee);
  background: var(--quiz-card);
}
.quiz-legend-swatch.is-current {
  box-shadow: 0 0 0 2px rgba(36, 93, 232, 0.35);
  border-color: var(--quiz-primary);
}
.quiz-legend-swatch.is-answered {
  background: rgba(36, 93, 232, 0.2);
  border-color: rgba(36, 93, 232, 0.4);
}
.quiz-legend-swatch.is-checked-ok {
  background: rgba(21, 151, 107, 0.25);
  border-color: var(--quiz-ok);
}
.quiz-legend-swatch.is-checked-bad {
  background: rgba(201, 59, 74, 0.2);
  border-color: var(--quiz-bad);
}
.quiz-legend-swatch.is-flagged {
  background: #fff8e6;
  border-color: #f5a623;
}
.quiz-workspace {
  background: var(--quiz-card);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 16px;
  padding: 24px 28px 22px;
  box-shadow: 0 1px 3px rgba(23, 35, 59, 0.05);
  display: flex;
  flex-direction: column;
  min-height: 100%;
  max-width: 920px;
  width: 100%;
  margin: 0 auto;
  justify-self: center;
}
.quiz-workspace__body {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
}
.quiz-question-text {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.5vw, 24px);
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.quiz-hint {
  margin: 0 0 18px;
  color: var(--quiz-muted);
  font-size: 14px;
}
.quiz-options {
  display: grid;
  gap: 12px;
}
.quiz-option-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  text-align: left;
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 2px solid var(--border, #dce3ee);
  background: var(--quiz-card);
  font: inherit;
  color: var(--quiz-text);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.quiz-option-card:hover:not(:disabled) {
  border-color: rgba(36, 93, 232, 0.45);
  background: rgba(36, 93, 232, 0.04);
}
.quiz-option-card:focus-visible {
  outline: none;
  border-color: var(--quiz-primary);
  box-shadow: 0 0 0 3px rgba(36, 93, 232, 0.28);
}
.quiz-option-card.is-selected:not(.is-correct):not(.is-wrong) {
  border-color: var(--quiz-primary);
  background: rgba(36, 93, 232, 0.1);
  box-shadow: 0 0 0 1px rgba(36, 93, 232, 0.15);
}
.quiz-option-card.is-correct {
  border-color: var(--quiz-ok);
  background: rgba(21, 151, 107, 0.12);
}
.quiz-option-card.is-wrong {
  border-color: var(--quiz-bad);
  background: rgba(201, 59, 74, 0.1);
}
.quiz-option-card.is-dimmed {
  opacity: 0.78;
  background: var(--quiz-bg);
  border-color: var(--border, #e2e8f0);
}
.quiz-option-card:disabled {
  cursor: default;
  opacity: 1;
}
.quiz-option-card.is-dimmed:disabled {
  opacity: 0.78;
}
.quiz-option-card__letter {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 800;
  background: var(--quiz-bg);
}
.quiz-option-card.is-correct .quiz-option-card__letter {
  background: var(--quiz-ok);
  color: #fff;
}
.quiz-option-card.is-wrong .quiz-option-card__letter {
  background: var(--quiz-bad);
  color: #fff;
}
.quiz-option-card__text {
  line-height: 1.45;
  font-size: 15px;
}
.quiz-feedback {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.45;
}
.quiz-feedback--ok {
  background: rgba(21, 151, 107, 0.12);
  color: var(--quiz-ok);
}
.quiz-feedback--bad {
  background: rgba(201, 59, 74, 0.1);
  color: var(--quiz-bad);
}
.quiz-feedback__link {
  color: var(--quiz-primary);
  font-weight: 700;
  text-decoration: none;
}
.quiz-feedback__link:hover {
  text-decoration: underline;
}
.quiz-active__actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 12px;
  align-items: stretch;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border, #e2e8f0);
}
.quiz-action-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.quiz-action-group--tools {
  justify-content: flex-start;
}
.quiz-action-group--check {
  justify-content: center;
}
.quiz-action-group--nav {
  justify-content: flex-end;
  display: inline-flex;
  flex-wrap: nowrap;
  border: 1px solid var(--border, #dce3ee);
  border-radius: 12px;
  padding: 3px;
  background: var(--quiz-bg);
  gap: 0;
  overflow: hidden;
}
.quiz-nav-btn {
  min-width: 7.5rem;
  border: 0 !important;
  border-radius: 9px !important;
  box-shadow: none !important;
  margin: 0;
  font-weight: 700;
}
.quiz-nav-btn:disabled,
.quiz-nav-btn.quiz-nav-btn--wait:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  background: var(--quiz-bg) !important;
  color: var(--quiz-muted) !important;
}
.quiz-nav-btn--next:not(:disabled):not(.quiz-btn-primary) {
  background: rgba(36, 93, 232, 0.12);
  color: var(--quiz-primary);
}
.quiz-nav-btn--next:not(:disabled):not(.quiz-btn-primary):hover {
  background: rgba(36, 93, 232, 0.2);
}
.quiz-action-group--nav .quiz-btn-primary {
  box-shadow: 0 2px 10px rgba(36, 93, 232, 0.28);
}
.quiz-nav-btn--finish {
  min-width: 9rem;
}
.quiz-action-group--nav .quiz-nav-btn + .quiz-nav-btn {
  margin-left: 3px;
}
.quiz-active__check {
  width: auto;
  min-width: 10.5rem;
  white-space: nowrap;
}
.quiz-active__actions .quiz-btn-primary.quiz-active__check {
  width: auto;
}
.quiz-collapse {
  border: 1px solid var(--border, #e8ecf2);
  border-radius: 12px;
  background: var(--quiz-bg);
  margin: 10px 0 0;
  overflow: hidden;
}
.quiz-collapse__title {
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 800;
  color: var(--quiz-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.quiz-collapse__title::-webkit-details-marker {
  display: none;
}
.quiz-collapse__title::after {
  content: "▾";
  font-size: 11px;
  color: var(--quiz-muted);
  transition: transform 0.15s;
}
.quiz-collapse:not([open]) .quiz-collapse__title::after {
  transform: rotate(-90deg);
}
.quiz-collapse__body {
  padding: 0 14px 14px;
  border-top: 1px solid var(--border, #e8ecf2);
}
.quiz-context-panel h3 {
  margin: 0 0 8px;
  font-size: 16px;
}
.quiz-context-panel p {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--quiz-muted);
  line-height: 1.45;
}
.quiz-context-panel__summary {
  font-size: 14px !important;
  font-weight: 600;
  color: var(--quiz-text) !important;
}
.quiz-context-panel__note {
  font-size: 12px !important;
}
.quiz-context-panel__subhead {
  margin: 16px 0 10px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--quiz-muted);
}
.quiz-context-panel__scroll {
  max-height: min(36vh, 320px);
  overflow-y: auto;
  margin: 4px -4px 0 0;
  padding: 4px 8px 4px 2px;
  scrollbar-gutter: stable;
}
.quiz-context-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.quiz-context-topic {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 12px;
  align-items: center;
  font-size: 12px;
}
.quiz-context-topic__name {
  font-weight: 600;
  line-height: 1.35;
  grid-column: 1 / -1;
}
.quiz-context-topic__bar {
  height: 6px;
  border-radius: 999px;
  background: var(--quiz-bg);
  overflow: hidden;
  grid-column: 1;
}
.quiz-context-topic__bar > span {
  display: block;
  height: 100%;
  background: rgba(36, 93, 232, 0.55);
  border-radius: inherit;
}
.quiz-context-topic__count {
  text-align: right;
  font-weight: 800;
  color: var(--quiz-muted);
  font-size: 11px;
  white-space: nowrap;
}
.quiz-context-panel__lecture {
  margin: 0 0 8px !important;
  font-size: 12px !important;
  font-weight: 600;
  color: var(--quiz-text) !important;
  line-height: 1.4 !important;
}
.quiz-context-panel__lecture-link {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 800;
  color: var(--quiz-primary);
  text-decoration: none;
}
.quiz-context-panel__lecture-link:hover {
  text-decoration: underline;
}
.quiz-mobile-bar {
  display: none;
  gap: 8px;
  margin-bottom: 10px;
}
.quiz-quit {
  margin-top: 16px;
  font-size: 13px;
}
.btn.is-flagged {
  border-color: #f5a623;
  color: #b8750a;
}
/* Results */
.quiz-results__hero {
  background: linear-gradient(135deg, #3d2db8 0%, #245de8 100%);
  color: #fff;
  border-radius: 18px;
  padding: 24px 26px;
  margin-bottom: 20px;
}
.quiz-results__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 8px;
}
.quiz-results__title {
  margin: 0 0 8px;
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
  background: none;
  -webkit-background-clip: border-box;
  background-clip: border-box;
}
.quiz-results__lead {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  max-width: 48ch;
  line-height: 1.55;
  font-size: 15px;
}
.quiz-results__hero-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}
.quiz-results__score-ring {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.45);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  flex-shrink: 0;
}
.quiz-results__score-ring strong {
  font-size: 26px;
  line-height: 1;
  color: #fff;
  font-weight: 800;
}
.quiz-results__score-ring span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.88);
}
.quiz-results__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.quiz-results__pills .quiz-pill {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
}
.quiz-results__pills .quiz-pill--ok {
  background: rgba(21, 151, 107, 0.35);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}
.quiz-results__pills .quiz-pill--bad {
  background: rgba(201, 59, 74, 0.35);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}
.quiz-results__timing {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.9);
}
[data-theme="dark"] .quiz-results__hero {
  background: linear-gradient(135deg, #2a2270 0%, #1e4bb8 100%);
}
.quiz-results__cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.quiz-results-card h2 {
  margin: 0 0 4px;
  font-size: 18px;
}
.quiz-results-card__sub {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--quiz-muted);
}
.quiz-topic-row {
  margin-bottom: 12px;
}
.quiz-topic-row__head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 6px;
}
.quiz-topic-row__bar {
  height: 8px;
  border-radius: 999px;
  background: var(--border, #e2e8f0);
  overflow: hidden;
}
.quiz-topic-row__bar span {
  display: block;
  height: 100%;
  background: var(--quiz-primary);
  border-radius: inherit;
}
.quiz-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.quiz-next-item {
  width: 100%;
  text-align: left;
  appearance: none;
  border: 1px solid var(--border, #e2e8f0);
  background: var(--quiz-bg);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  margin-bottom: 8px;
  color: var(--quiz-text);
}
.quiz-next-item:hover {
  border-color: var(--quiz-primary);
  color: var(--quiz-primary);
}
.quiz-review-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--border, #e2e8f0);
}
.quiz-review-item:last-child {
  border-bottom: 0;
}
.quiz-review-item__badge {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.quiz-review-item.is-ok .quiz-review-item__badge {
  color: var(--quiz-ok);
}
.quiz-review-item.is-bad .quiz-review-item__badge {
  color: var(--quiz-bad);
}
.quiz-review-item__q {
  margin: 6px 0;
  font-weight: 700;
}
.quiz-review-item__ans {
  margin: 0 0 6px;
  color: var(--quiz-ok);
  font-weight: 600;
  font-size: 14px;
}
.quiz-review-item__from {
  margin: 0;
  font-size: 13px;
  color: var(--quiz-muted);
}
.quiz-review-item__from a {
  color: var(--quiz-primary);
  font-weight: 700;
  text-decoration: none;
}
@media (max-width: 1024px) {
  .quiz-workspace-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .quiz-nav-panel,
  .quiz-context-panel {
    display: none;
  }
  .quiz-nav-panel.is-open,
  .quiz-context-panel.is-open {
    display: block;
  }
  .quiz-mobile-bar {
    display: flex;
  }
  .quiz-results__cols {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 960px) {
  .quiz-hero-panel {
    grid-template-columns: minmax(0, 1fr);
    padding: 22px 20px;
  }
  .quiz-hero-panel__visual {
    order: -1;
  }
  .quiz-hero-float--topics {
    left: 8px;
    bottom: 8px;
  }
  .quiz-hero-float--bank {
    right: 8px;
    top: 8px;
  }
  .quiz-discovery-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .quiz-stat-row--4 {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 768px) {
  .quiz-active__actions {
    grid-template-columns: minmax(0, 1fr);
  }
  .quiz-action-group--tools,
  .quiz-action-group--check,
  .quiz-action-group--nav {
    justify-content: stretch;
    width: 100%;
  }
  .quiz-action-group--nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 4px;
    gap: 6px;
  }
  .quiz-action-group--nav .quiz-nav-btn + .quiz-nav-btn {
    margin-left: 0;
  }
  .quiz-nav-btn,
  .quiz-nav-btn--finish {
    min-width: 0;
    width: 100%;
  }
  .quiz-active__check {
    width: 100%;
    min-width: 0;
  }
}
@media (max-width: 560px) {
  .quiz-stat-row {
    grid-template-columns: minmax(0, 1fr);
  }
}