/* ==========================================================================
   KEMU — Telas de Experiência de Estudo
   Dono: Experiência de Estudo.
   Estiliza `.screen--home`, `.screen--subjects`, `.screen--subject` e
   `.screen--quiz` — as classes usadas em js/screens/home.js, subjects.js
   e quiz.js. Nada de cor literal: só tokens de tokens.css (ou color-mix()
   a partir deles). Mobile-first; sobe com min-width 768px e 1024px.

   Sumário
     1.  Início — hero de boas-vindas
     2.  Início — layout de colunas
     3.  Início — card de nível
     4.  Início — meta diária
     5.  Início — sequência (semana)
     6.  Início — continue estudando
     7.  Início — desafios do dia
     8.  Início — missões
     9.  Início — recomendações da IA
     10. Início — ranking
     11. Início — seja premium
     12. Início — responsivo
     13. Dica Kemu (faixa com mascote, compartilhada com Matérias/Quiz)
     14. Matérias — stepper decorativo
     15. Matérias — cabeçalho + progresso geral
     16. Matérias — filtro de nível
     17. Matérias — grade de cards
     18. Matérias — rodapé
     19. Matérias — responsivo
     20. Matéria (detalhe) — cabeçalho
     21. Matéria (detalhe) — chamadas de ação
     22. Matéria (detalhe) — colunas e tópicos
     23. Matéria (detalhe) — card de desempenho
     24. Matéria (detalhe) — responsivo
     25. Quiz — telas de aviso (erro / sem vidas)
     26. Quiz — barra de ferramentas
     27. Quiz — layout geral
     28. Quiz — painel de progresso
     29. Quiz — cartão da questão (cronômetro, alternativas, explicação)
     30. Quiz — painel lateral (anel, grade de questões, legenda)
     31. Quiz — painel de poderes
     32. Quiz — tela de resultado
     33. Quiz — responsivo (desktop: duas colunas)
   ========================================================================== */


/* ==========================================================================
   1. Início — hero de boas-vindas
   ========================================================================== */

.home__hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.home__hero-text {
  min-width: 0;
}

.home__title {
  font-size: var(--fs-xl);
  letter-spacing: -0.02em;
}

.home__subtitle {
  margin-top: var(--sp-1);
  color: var(--text-2);
  font-size: var(--fs-base);
  line-height: var(--lh-snug);
}

.home__hero .home__hero-cta {
  width: 100%;
}


/* ==========================================================================
   2. Início — layout de colunas
   ========================================================================== */

.home__cols {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  min-width: 0;
}

.home__col {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  min-width: 0;
}

.home__block {
  min-width: 0;
}

.home__top-grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}


/* ==========================================================================
   3. Início — card de nível (destaque roxo)
   ========================================================================== */

.home__level {
  color: var(--text-inv);
  background: var(--brand-600);
  background: linear-gradient(155deg, var(--brand-500), var(--brand-700) 68%, var(--brand-800));
  box-shadow: var(--sh-brand);
  border-color: transparent;
}

.home__level-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.home__level-eyebrow {
  display: block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--text-inv) 78%, transparent);
}

.home__level-value {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-2xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  line-height: var(--lh-tight);
}

.home__level-title {
  margin-top: 2px;
  font-size: var(--fs-sm);
  color: color-mix(in srgb, var(--text-inv) 84%, transparent);
}

.home__level-trophy {
  flex-shrink: 0;
  font-size: var(--fs-2xl);
  line-height: 1;
  filter: drop-shadow(0 4px 10px color-mix(in srgb, var(--text) 45%, transparent));
}

.home__level .progress {
  background: color-mix(in srgb, var(--text-inv) 22%, transparent);
}

.home__level-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: color-mix(in srgb, var(--text-inv) 84%, transparent);
}

.home__level-foot span:last-child {
  text-align: right;
}


/* ==========================================================================
   4. Início — meta diária
   ========================================================================== */

.home__goal-body {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

.home__goal-stats {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  min-width: 140px;
  flex: 1 1 140px;
}

.home__stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  padding-bottom: var(--sp-1);
  border-bottom: 1px dashed var(--border);
}

.home__stat:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.home__stat strong {
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  color: var(--text);
  white-space: nowrap;
}

.home__stat span {
  font-size: var(--fs-xs);
  color: var(--text-3);
  text-align: right;
}


/* ==========================================================================
   5. Início — sequência (semana)
   ========================================================================== */

.home__streak-body {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

.home__streak-flame {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  min-width: 64px;
}

.home__streak-emoji {
  font-size: var(--fs-2xl);
  line-height: 1;
}

.home__streak-count {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  color: var(--streak);
  line-height: 1.1;
}

.home__streak-cap {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.home__week {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-1);
  flex: 1 1 220px;
  min-width: 0;
}

.home__day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 0;
  flex: 1 1 0;
}

.home__day-dot {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-full);
  background: var(--surface-3);
  font-size: var(--fs-sm);
  line-height: 1;
  transition: background var(--t-fast), box-shadow var(--t-fast);
}

.home__day.is-on .home__day-dot {
  background: color-mix(in srgb, var(--streak) 16%, var(--surface-3));
}

.home__day.is-today .home__day-dot {
  box-shadow: 0 0 0 2px var(--brand-600);
}

.home__day-label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  color: var(--text-3);
  text-transform: capitalize;
}

.home__day.is-today .home__day-label {
  color: var(--brand-600);
}


/* ==========================================================================
   6. Início — continue estudando
   ========================================================================== */

.home__mark {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border-radius: var(--r-lg);
  line-height: 1;
}

.home__cont-grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.home__cont-head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.home__cont-text {
  min-width: 0;
}

.home__cont-name {
  display: block;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
}

.home__cont-topic {
  display: block;
  margin-top: 1px;
  font-size: var(--fs-sm);
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home__cont-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

.home__cont-pct {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semi);
  color: var(--text-3);
}

.home__cont--new {
  background: color-mix(in srgb, var(--brand-600) 4%, var(--surface));
  border-style: dashed;
  border-color: var(--brand-200);
}


/* ==========================================================================
   7. Início — desafios do dia
   ========================================================================== */

.home__chal-grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.home__chal-head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.home__chal-emoji {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-full);
  background: var(--warning-b);
  font-size: var(--fs-lg);
  line-height: 1;
}

.home__chal-name {
  display: block;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
}

.home__chal-desc {
  margin-top: 1px;
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: var(--lh-snug);
}

.home__chal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-top: var(--sp-3);
}

.home__chal-reward {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.home__pill {
  display: inline-flex;
  align-items: center;
  padding: 3px var(--sp-2);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  white-space: nowrap;
}

.home__pill--xp {
  color: var(--xp);
  background: color-mix(in srgb, var(--xp) 12%, var(--surface-3));
}

.home__pill--coin {
  color: var(--coin-d);
  background: var(--warning-b);
}


/* ==========================================================================
   8. Início — missões diárias
   ========================================================================== */

.home__mission-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.home__mission {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.home__mission-emoji {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-full);
  background: var(--brand-50);
  font-size: var(--fs-md);
  line-height: 1;
}

.home__mission-body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.home__mission-name {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home__mission-meta {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.home__mission-check {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-full);
  color: var(--success);
  background: var(--success-b);
}

.home__mission.is-done .home__mission-emoji {
  opacity: 0.6;
}

.home__mission.is-done .home__mission-name {
  color: var(--text-2);
}


/* ==========================================================================
   9. Início — recomendações da IA
   ========================================================================== */

.home__ai-grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.home__ai-head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-2);
}

.home__ai-head > div {
  flex: 1 1 auto;
  min-width: 0;
}

.home__ai-name {
  display: block;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
}

.home__ai-topic {
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home__ai-reason {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: var(--lh-snug);
}


/* ==========================================================================
   10. Início — ranking
   ========================================================================== */

.home__rank-body {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.home__rank-pos {
  flex-shrink: 0;
  display: flex;
  align-items: baseline;
  gap: 2px;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-lg);
  background: var(--brand-50);
  color: var(--brand-700);
}

.home__rank-hash {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
}

.home__rank-value {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  line-height: 1;
}

.home__rank-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.home__rank-text strong {
  font-size: var(--fs-base);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home__rank-text span {
  font-size: var(--fs-sm);
  color: var(--text-2);
}


/* ==========================================================================
   11. Início — seja premium
   ========================================================================== */

.home__premium {
  position: relative;
  overflow: hidden;
  text-align: center;
  color: var(--text-inv);
  background: var(--brand-600);
  background: linear-gradient(160deg, var(--brand-500), var(--brand-700) 70%, var(--brand-800));
  box-shadow: var(--sh-brand);
  border-color: transparent;
}

.home__premium::after {
  content: "";
  position: absolute;
  top: -44px;
  right: -30px;
  width: 110px;
  height: 110px;
  border-radius: var(--r-full);
  background: color-mix(in srgb, var(--text-inv) 14%, transparent);
  pointer-events: none;
}

.home__premium-crown {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: 0 auto var(--sp-2);
  border-radius: var(--r-full);
  color: var(--coin);
  background: color-mix(in srgb, var(--text-inv) 18%, transparent);
}

.home__premium-title {
  position: relative;
  display: block;
  font-size: var(--fs-md);
  font-weight: var(--fw-black);
}

.home__premium-text {
  position: relative;
  margin: var(--sp-1) 0 var(--sp-4);
  font-size: var(--fs-sm);
  line-height: var(--lh-snug);
  color: color-mix(in srgb, var(--text-inv) 86%, transparent);
}


/* ==========================================================================
   12. Início — responsivo
   ========================================================================== */

@media (min-width: 768px) {
  .home__hero {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .home__hero .home__hero-cta {
    width: auto;
  }
}

@media (min-width: 1024px) {
  .home__cols {
    flex-direction: row;
    align-items: flex-start;
  }

  .home__col--main {
    flex: 1 1 auto;
    min-width: 0;
  }

  .home__col--aside {
    flex: 0 0 340px;
    width: 340px;
  }
}


/* ==========================================================================
   13. Dica Kemu — faixa com mascote
   ==========================================================================
   Componente reaproveitado em Matérias, Matéria e Quiz (esta tela). O mesmo
   padrão de classes é usado por Missões/Desafios (Gamificação); mantemos o
   visual consistente em vez de duplicar sob um prefixo de tela.
   -------------------------------------------------------------------------- */

.kemu-tip {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--r-xl);
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
  transition: background var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.kemu-tip__mascot {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  line-height: 0;
}

.kemu-tip__body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kemu-tip__title {
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  color: var(--brand-700);
}

.kemu-tip__text {
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: var(--lh-snug);
}

.kemu-tip__note {
  margin-top: 2px;
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.kemu-tip.is-highlight {
  background: var(--warning-b);
  border-color: color-mix(in srgb, var(--coin) 40%, var(--warning-b));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--coin) 16%, transparent);
}


/* ==========================================================================
   14. Matérias — stepper decorativo
   ========================================================================== */

.steps {
  display: flex;
  align-items: center;
  margin-bottom: var(--sp-6);
}

.step {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-3);
  white-space: nowrap;
}

.step:not(:last-child) {
  flex: 1 1 auto;
  min-width: 0;
}

.step:not(:last-child)::after {
  content: "";
  flex: 1 1 auto;
  min-width: 16px;
  height: 2px;
  margin: 0 var(--sp-3);
  background: var(--border);
  border-radius: var(--r-full);
}

.step__num {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: var(--r-full);
  background: var(--surface-3);
  color: var(--text-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
}

.step__label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.step.is-active {
  color: var(--text);
}

.step.is-active .step__num {
  background: var(--brand-600);
  color: var(--text-inv);
}

@media (max-width: 479px) {
  .step__label {
    display: none;
  }
}


/* ==========================================================================
   15. Matérias — cabeçalho + progresso geral
   ========================================================================== */

.subjects__head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}

.subjects__head-text {
  min-width: 0;
}

.subjects__title {
  font-size: var(--fs-xl);
  letter-spacing: -0.02em;
}

.subjects__subtitle {
  margin-top: var(--sp-1);
  color: var(--text-2);
  font-size: var(--fs-base);
}

.subjects__overall {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.subjects__overall-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-full);
  color: var(--brand-600);
  background: var(--brand-50);
}

.subjects__overall-text {
  flex: 1 1 160px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.subjects__overall-text strong {
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
}

.subjects__overall-text span {
  font-size: var(--fs-sm);
  color: var(--text-2);
}


/* ==========================================================================
   16. Matérias — filtro de nível
   ========================================================================== */

.subjects__filter {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-5);
}

.filter-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  flex: 1 1 160px;
  min-height: 44px;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-lg);
  border: 1.5px solid var(--border);
  background: var(--surface);
  text-align: left;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.filter-chip:hover {
  border-color: var(--border-2);
  transform: translateY(-1px);
}

.filter-chip span {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--text);
}

.filter-chip small {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.filter-chip.is-active {
  border-color: var(--brand-300);
  background: var(--brand-50);
}

.filter-chip.is-active span {
  color: var(--brand-700);
}


/* ==========================================================================
   17. Matérias — grade de cards
   ========================================================================== */

.subjects__grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  margin-bottom: var(--sp-5);
}

.subjects__grid .empty {
  grid-column: 1 / -1;
}

.subject-card {
  display: flex;
  flex-direction: column;
  padding: var(--sp-4);
  border-radius: var(--r-xl);
  border: 1px solid transparent;
  box-shadow: var(--sh-sm);
  cursor: pointer;
  text-align: left;
  min-width: 0;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}

.subject-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-md);
}

.subject-card:active {
  transform: translateY(0);
  box-shadow: var(--sh-sm);
}

.subject-card__emoji {
  font-size: 2.25rem;
  line-height: 1;
  margin-bottom: var(--sp-3);
}

.subject-card__name {
  font-size: var(--fs-base);
  letter-spacing: -0.01em;
  color: var(--text);
}

.subject-card__topics {
  margin: 2px 0 var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--text-2);
  line-height: var(--lh-snug);
}

.subject-card__score {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: var(--sp-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  color: var(--text-2);
}

.subject-card__star {
  font-size: var(--fs-sm);
  line-height: 1;
}

.subject-card--soon {
  align-items: center;
  justify-content: center;
  text-align: center;
  background: color-mix(in srgb, var(--surface-3) 60%, transparent);
  border: 1.5px dashed var(--border-2);
  box-shadow: none;
  cursor: default;
}

.subject-card--soon:hover {
  transform: none;
  box-shadow: none;
}

.subject-card__soon-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--sp-2);
  border-radius: var(--r-full);
  color: var(--text-3);
  background: var(--surface);
}

.subject-card--soon .subject-card__name {
  color: var(--text-2);
}

.subject-card--soon .subject-card__topics {
  margin-bottom: 0;
}


/* ==========================================================================
   18. Matérias — rodapé (dica + continuar)
   ========================================================================== */

.subjects__foot {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.subjects__foot .kemu-tip {
  flex: 1 1 auto;
}

.subjects__foot > .btn {
  width: 100%;
}


/* ==========================================================================
   19. Matérias — responsivo
   ========================================================================== */

@media (min-width: 768px) {
  .subjects__head {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .subjects__head-text {
    flex: 1 1 auto;
  }

  .subjects__overall {
    flex: 0 0 auto;
  }

  .subjects__grid {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  }

  .subjects__foot {
    flex-direction: row;
    align-items: center;
  }

  .subjects__foot > .btn {
    width: auto;
    min-width: 176px;
  }
}


/* ==========================================================================
   20. Matéria (detalhe) — cabeçalho
   ========================================================================== */

.subject__hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-6) var(--sp-5) var(--sp-5);
  margin-bottom: var(--sp-5);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.subject__back {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-full);
  color: var(--text);
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  transition: background var(--t-fast), transform var(--t-fast);
}

.subject__back:hover {
  background: color-mix(in srgb, var(--surface) 78%, transparent);
}

.subject__back:active {
  transform: scale(0.93);
}

.subject__emoji {
  font-size: 3rem;
  line-height: 1;
}

.subject__hero-text {
  min-width: 0;
}

.subject__name {
  font-size: var(--fs-xl);
  letter-spacing: -0.02em;
}

.subject__blurb {
  margin-top: var(--sp-1);
  font-size: var(--fs-base);
  color: var(--text-2);
  line-height: var(--lh-snug);
}

.subject__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4) var(--sp-6);
  width: 100%;
  margin-top: var(--sp-2);
  padding-top: var(--sp-4);
  border-top: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
}

.subject__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 88px;
}

.subject__stat strong {
  font-size: var(--fs-lg);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  color: var(--text);
}

.subject__stat span {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.subject__stat--success strong {
  color: var(--success);
}

.subject__stat--brand strong {
  color: var(--brand-600);
}


/* ==========================================================================
   21. Matéria (detalhe) — chamadas de ação
   ========================================================================== */

.subject__cta {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}

.subject__cta-btn {
  width: 100%;
}


/* ==========================================================================
   22. Matéria (detalhe) — colunas e tópicos
   ========================================================================== */

.subject__cols {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
}

.subject__col-main {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  min-width: 0;
}

.subject__col-side {
  min-width: 0;
}

.subject__group-title {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border);
}

.subject__group-title span {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
}

.subject__group-title small {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.subject__topics {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.topic-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-4);
  padding: var(--sp-4);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.topic-row:hover {
  border-color: var(--border-2);
  box-shadow: var(--sh-xs);
}

.topic-row__main {
  flex: 1 1 220px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.topic-row__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
}

.topic-row__name {
  font-size: var(--fs-base);
  font-weight: var(--fw-semi);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topic-row__meta {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.topic-row > .btn {
  flex-shrink: 0;
}


/* ==========================================================================
   23. Matéria (detalhe) — card de desempenho
   ========================================================================== */

.subject__perf-body {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex-wrap: wrap;
  margin-bottom: var(--sp-2);
}

.subject__perf-empty {
  display: grid;
  place-items: center;
  width: 140px;
  height: 140px;
  flex-shrink: 0;
  border-radius: var(--r-full);
  border: 2px dashed var(--border-2);
  font-size: var(--fs-2xl);
  color: var(--text-3);
}

.subject__legend {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  flex: 1 1 140px;
  min-width: 140px;
}

.subject__legend li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.subject__dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: var(--r-full);
}

.subject__legend-label {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--fs-sm);
  color: var(--text-2);
}

.subject__legend li strong {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
}

.subject__weak {
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
}

.subject__weak-title {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  color: var(--text-2);
}

.subject__weak-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.subject__weak-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.subject__weak-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}


/* ==========================================================================
   24. Matéria (detalhe) — responsivo
   ========================================================================== */

@media (min-width: 640px) {
  .subject__hero {
    flex-direction: row;
    align-items: center;
  }

  .subject__stats {
    width: auto;
    margin-top: 0;
    margin-left: auto;
    padding-top: 0;
    border-top: 0;
    padding-left: var(--sp-6);
    border-left: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  }

  .subject__cta {
    flex-direction: row;
  }

  .subject__cta-btn {
    width: auto;
    flex: 1 1 0;
  }
}

@media (min-width: 1024px) {
  .subject__cols {
    flex-direction: row;
    align-items: flex-start;
  }

  .subject__col-main {
    flex: 1 1 auto;
  }

  .subject__col-side {
    flex: 0 0 320px;
    width: 320px;
    position: sticky;
    top: var(--sp-6);
  }
}


/* ==========================================================================
   25. Quiz — telas de aviso (erro / sem vidas)
   ========================================================================== */

.screen--quiz-msg {
  display: flex;
  justify-content: center;
  padding-top: var(--sp-8);
}

.quiz__msg {
  width: 100%;
  max-width: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
  text-align: center;
}

.quiz__msg-mascot {
  margin-bottom: var(--sp-1);
}

.quiz__msg-title {
  font-size: var(--fs-xl);
}

.quiz__msg-text {
  color: var(--text-2);
  line-height: var(--lh-base);
}

.quiz__msg-actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  width: 100%;
  margin-top: var(--sp-2);
}

.quiz__msg-actions .btn {
  width: 100%;
}

.quiz__lives-hearts {
  font-size: var(--fs-3xl);
  line-height: 1;
}

.quiz__lives-clock {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-full);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: var(--fs-sm);
}

.quiz__lives-time {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.quiz__lives-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-top: var(--sp-1);
}

@media (min-width: 480px) {
  .quiz__msg-actions {
    flex-direction: row;
    justify-content: center;
  }

  .quiz__msg-actions .btn {
    width: auto;
    min-width: 190px;
  }
}


/* ==========================================================================
   26. Quiz — barra de ferramentas
   ========================================================================== */

.quiz__toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.quiz__exit {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  flex-shrink: 0;
  min-height: 40px;
  padding: 0 var(--sp-3);
  border-radius: var(--r-md);
  color: var(--text-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  transition: background var(--t-fast), color var(--t-fast);
}

.quiz__exit:hover {
  background: var(--surface-3);
  color: var(--text);
}

.quiz__ident {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-width: 0;
  flex: 1 1 200px;
}

.quiz__ident-mark {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-lg);
  font-size: var(--fs-lg);
  line-height: 1;
  background: var(--brand-50);
  color: var(--brand-600);
}

.quiz__ident-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.quiz__ident-text strong {
  font-size: var(--fs-base);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quiz__ident-text span {
  font-size: var(--fs-xs);
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quiz__selectors {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.quiz__field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.quiz__field > span {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.quiz__select {
  min-height: 40px;
  padding: 0 var(--sp-6) 0 var(--sp-3);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--text);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  max-width: 180px;
  appearance: none;
  -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%),
    linear-gradient(135deg, var(--text-3) 50%, transparent 50%);
  background-position: calc(100% - 16px) center, calc(100% - 11px) center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.quiz__select:hover {
  border-color: var(--border-2);
}


/* ==========================================================================
   27. Quiz — layout geral
   ========================================================================== */

.quiz__layout {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  min-width: 0;
}

.quiz__main {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  min-width: 0;
}

.quiz__side {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  min-width: 0;
}

.quiz__side-card {
  min-width: 0;
}

.quiz__side-title {
  margin-bottom: var(--sp-4);
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
}


/* ==========================================================================
   28. Quiz — painel de progresso
   ========================================================================== */

.quiz__pg-main {
  margin-bottom: var(--sp-4);
}

.quiz__pg-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}

.quiz__pg-label {
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
}

.quiz__pg-pct {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semi);
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.quiz__pg-meta {
  display: flex;
  gap: var(--sp-6);
  flex-wrap: wrap;
}

.quiz__pg-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.quiz__pg-item > span:first-child {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.quiz__pg-val {
  display: flex;
  align-items: center;
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
}


/* ==========================================================================
   29. Quiz — cartão da questão
   ========================================================================== */

.quiz__card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.quiz__diff {
  display: inline-flex;
}

.quiz__timer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  width: 108px;
  flex-shrink: 0;
  color: var(--text-2);
}

.quiz__timer .icon {
  color: var(--text-3);
}

.quiz__timer-text {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.quiz__timer-track {
  flex-basis: 100%;
  height: 6px;
  border-radius: var(--r-full);
  background: var(--surface-3);
  overflow: hidden;
}

.quiz__timer-fill {
  height: 100%;
  width: 100%;
  border-radius: var(--r-full);
  background: var(--brand-600);
  transition: width 200ms linear, background var(--t-fast);
}

.quiz__timer.is-danger .quiz__timer-text,
.quiz__timer.is-danger .icon {
  color: var(--danger);
}

.quiz__timer.is-danger .quiz__timer-fill {
  background: var(--danger);
  animation: kemu-timer-pulse 1s ease-in-out infinite;
}

@keyframes kemu-timer-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .55; }
}

html[data-motion="reduced"] .quiz__timer.is-danger .quiz__timer-fill {
  animation: none;
}

.quiz__statement {
  margin-bottom: var(--sp-5);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: -0.01em;
}

.quiz__options {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.quiz__opt {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  width: 100%;
  min-height: 56px;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-lg);
  border: 1.5px solid var(--border);
  background: var(--surface);
  text-align: left;
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}

.quiz__opt:hover:not(:disabled) {
  border-color: var(--brand-300);
  background: var(--brand-50);
  transform: translateY(-1px);
}

.quiz__opt:active:not(:disabled) {
  transform: translateY(0) scale(0.99);
}

.quiz__opt-key {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-full);
  border: 1.5px solid var(--border-2);
  background: var(--surface-2);
  color: var(--text-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-black);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.quiz__opt-text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--fs-base);
  line-height: var(--lh-snug);
  color: var(--text);
}

.quiz__opt:disabled {
  cursor: not-allowed;
}

.quiz__opt:disabled:not(.is-correct):not(.is-wrong):not(.is-out) {
  opacity: .62;
}

.quiz__opt.is-out {
  opacity: .45;
  background: var(--surface-2);
}

.quiz__opt.is-out .quiz__opt-text {
  text-decoration: line-through;
}

.quiz__opt.is-correct {
  border-color: var(--success);
  background: var(--success-b);
}

.quiz__opt.is-correct .quiz__opt-key {
  background: var(--success);
  border-color: var(--success);
  color: var(--text-inv);
}

.quiz__opt.is-wrong {
  border-color: var(--danger);
  background: var(--danger-b);
}

.quiz__opt.is-wrong .quiz__opt-key {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--text-inv);
}

.quiz__explain {
  margin-top: var(--sp-4);
  padding: var(--sp-4);
  border-radius: var(--r-lg);
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.quiz__explain-head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-1);
}

.quiz__explain-icon {
  font-size: var(--fs-md);
  line-height: 1;
}

.quiz__explain-head strong {
  font-size: var(--fs-base);
}

.quiz__explain-text {
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: var(--lh-snug);
}

.quiz__explain-rewards {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.quiz__pill {
  display: inline-flex;
  align-items: center;
  padding: 3px var(--sp-3);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
}

.quiz__pill--xp {
  color: var(--xp);
  background: color-mix(in srgb, var(--xp) 12%, var(--surface));
}

.quiz__pill--coin {
  color: var(--coin-d);
  background: var(--warning-b);
}

.quiz__actions {
  display: flex;
  justify-content: center;
  margin-top: var(--sp-5);
}

.quiz__actions .btn {
  width: 100%;
}

.quiz__tip {
  margin-top: 0;
}

@media (min-width: 480px) {
  .quiz__actions .btn {
    width: auto;
    min-width: 240px;
  }
}


/* ==========================================================================
   30. Quiz — painel lateral (anel, grade de questões, legenda)
   ========================================================================== */

.quiz__ring-slot {
  display: flex;
  justify-content: center;
  margin-bottom: var(--sp-4);
}

.quiz__side-stats {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.quiz__side-stats li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding-bottom: var(--sp-2);
  border-bottom: 1px dashed var(--border);
  font-size: var(--fs-sm);
}

.quiz__side-stats li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.quiz__side-stats li span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-2);
}

.quiz__side-stats li strong {
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
}

.quiz__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
  gap: 6px;
  margin-bottom: var(--sp-4);
}

.quiz__cell {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  border-radius: var(--r-md);
  border: 1.5px solid var(--border);
  background: var(--surface-2);
  color: var(--text-3);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.quiz__cell.is-current {
  border-color: var(--brand-600);
  color: var(--brand-600);
  background: var(--brand-50);
}

.quiz__cell.is-correct {
  background: var(--success);
  border-color: var(--success);
  color: var(--text-inv);
}

.quiz__cell.is-wrong {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--text-inv);
}

.quiz__cell.is-blank {
  background: var(--surface-3);
  border-color: var(--border);
  color: var(--text-3);
}

.quiz__legend {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.quiz__legend li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.quiz__legend-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: var(--r-full);
  background: var(--surface-3);
  border: 1.5px solid var(--border);
}

.quiz__legend-dot.is-correct {
  background: var(--success);
  border-color: var(--success);
}

.quiz__legend-dot.is-current {
  background: var(--brand-50);
  border-color: var(--brand-600);
}

.quiz__legend-dot.is-pending {
  background: var(--surface-2);
  border-color: var(--border);
}


/* ==========================================================================
   31. Quiz — painel de poderes
   ========================================================================== */

.quiz__powers-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.quiz__powers-head .quiz__side-title {
  margin-bottom: 0;
}

.quiz__powers-shop {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 32px;
  padding: 0 var(--sp-3);
  border-radius: var(--r-full);
  color: var(--brand-600);
  background: var(--brand-50);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  transition: background var(--t-fast);
}

.quiz__powers-shop:hover {
  background: var(--brand-100);
}

.quiz__powers-list {
  display: flex;
  flex-direction: row;
  gap: var(--sp-3);
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.power-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex: 0 0 auto;
  width: 172px;
  min-height: 60px;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-lg);
  border: 1.5px solid var(--border);
  background: var(--surface);
  text-align: left;
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast), opacity var(--t-fast);
}

.power-item:hover:not(:disabled) {
  border-color: var(--brand-300);
  background: var(--brand-50);
  transform: translateY(-1px);
}

.power-item:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.power-item.is-empty {
  opacity: .45;
}

.power-item__icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-full);
  background: var(--surface-3);
  font-size: var(--fs-md);
  line-height: 1;
}

.power-item__text {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.power-item__text strong {
  font-size: var(--fs-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.power-item__text small {
  font-size: var(--fs-xs);
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.power-item__qty {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  border-radius: var(--r-full);
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: var(--fs-xs);
  font-weight: var(--fw-black);
}

.power-item.is-empty .power-item__qty {
  background: var(--surface-3);
  color: var(--text-3);
}

@media (min-width: 1024px) {
  .quiz__powers-list {
    flex-direction: column;
    overflow-x: visible;
  }

  .power-item {
    width: 100%;
  }
}


/* ==========================================================================
   32. Quiz — tela de resultado
   ========================================================================== */

.quiz__result {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.quiz__res-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  text-align: center;
  padding: var(--sp-3) 0 var(--sp-1);
}

.quiz__res-title {
  font-size: var(--fs-2xl);
}

.quiz__res-sub {
  max-width: 48ch;
  color: var(--text-2);
  line-height: var(--lh-base);
}

.quiz__res-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-5);
}

.quiz__res-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  gap: var(--sp-3);
  width: 100%;
}

.quiz__res-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
}

.quiz__res-stats strong {
  font-size: var(--fs-lg);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.quiz__res-stats span {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.quiz__res-stats li.is-correct strong { color: var(--success); }
.quiz__res-stats li.is-wrong strong   { color: var(--danger); }
.quiz__res-stats li.is-blank strong   { color: var(--text-3); }

.quiz__res-rewards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--sp-3);
}

.quiz__res-reward {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.quiz__res-reward-emoji {
  flex-shrink: 0;
  font-size: var(--fs-xl);
  line-height: 1;
}

.quiz__res-reward strong {
  display: block;
  font-size: var(--fs-lg);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
}

.quiz__res-reward span {
  font-size: var(--fs-xs);
  color: var(--text-3);
}

.quiz__res-reward--xp {
  background: color-mix(in srgb, var(--xp) 7%, var(--surface));
  border-color: color-mix(in srgb, var(--xp) 20%, var(--border));
}

.quiz__res-reward--coin {
  background: var(--warning-b);
  border-color: color-mix(in srgb, var(--coin) 30%, var(--border));
}

.quiz__res-reward--bonus {
  background: color-mix(in srgb, var(--brand-600) 6%, var(--surface));
  border-color: var(--brand-200);
}

.quiz__rev-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.quiz__rev {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.quiz__rev-head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  cursor: pointer;
  list-style: none;
  transition: background var(--t-fast);
}

.quiz__rev-head::-webkit-details-marker {
  display: none;
}

.quiz__rev-head:hover {
  background: var(--surface-2);
}

.quiz__rev-num {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: var(--r-full);
  background: var(--surface-3);
  color: var(--text-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-black);
}

.quiz__rev-num.is-correct {
  background: var(--success);
  color: var(--text-inv);
}

.quiz__rev-num.is-wrong {
  background: var(--danger);
  color: var(--text-inv);
}

.quiz__rev-num.is-blank {
  background: var(--surface-3);
  color: var(--text-3);
}

.quiz__rev-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quiz__rev-caret {
  flex-shrink: 0;
  color: var(--text-3);
  transition: transform var(--t-fast);
}

.quiz__rev[open] .quiz__rev-caret {
  transform: rotate(180deg);
}

.quiz__rev-body {
  padding: 0 var(--sp-4) var(--sp-4);
  border-top: 1px solid var(--border);
  padding-top: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.quiz__rev-line {
  font-size: var(--fs-sm);
  color: var(--text-2);
}

.quiz__rev-line strong {
  color: var(--text);
}

.is-correct-text {
  color: var(--success);
}

.quiz__rev-exp {
  margin-top: var(--sp-1);
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: var(--lh-snug);
}

.quiz__rev-empty {
  padding: var(--sp-4);
  text-align: center;
  color: var(--text-3);
  font-size: var(--fs-sm);
}

.quiz__res-actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.quiz__res-actions .btn {
  width: 100%;
}

@media (min-width: 640px) {
  .quiz__res-actions {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .quiz__res-actions .btn {
    width: auto;
    min-width: 180px;
  }
}


/* ==========================================================================
   33. Quiz — responsivo (desktop: duas colunas)
   ========================================================================== */

@media (min-width: 1024px) {
  .quiz__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    grid-template-rows: auto auto;
    align-items: start;
    gap: var(--sp-6);
  }

  .quiz__main {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .quiz__side {
    grid-column: 2;
    grid-row: 1;
  }

  .quiz__powers {
    grid-column: 2;
    grid-row: 2;
  }

  .quiz__toolbar {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1280px) {
  .quiz__layout {
    grid-template-columns: minmax(0, 1fr) 368px;
  }
}