:root {
  --fundo: #B9B9B8;
  --tinta: #333334;
  --acao: #AB9061;
  --acao-escura: #8f754c;
  --painel: rgba(255, 255, 255, 0.92);
  --painel-solido: #f7f6f3;
  --erro: #7a3b32;
  --ok: #3d5a3a;
  --raio: 8px;
  --sombra: 0 8px 24px rgba(51, 51, 52, 0.18);
  --fonte: "Segoe UI", "Liberation Sans", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body.escaninho-pagina {
  margin: 0;
  min-height: 100%;
  background: var(--fundo);
  color: var(--tinta);
  font-family: var(--fonte);
}

body.escaninho-pagina {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.escaninho-hotspots {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--fundo);
  color: var(--tinta);
  font-family: var(--fonte);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.app-header {
  padding: 16px 20px 8px;
  border-bottom: 1px solid rgba(51, 51, 52, 0.18);
}

.app-header h1 {
  margin: 0 0 4px;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight: 700;
}

.app-header p {
  margin: 0;
  font-size: 0.95rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 10px 20px;
  border-bottom: 1px solid rgba(51, 51, 52, 0.18);
}

.grupo-botoes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.separador {
  width: 1px;
  height: 28px;
  background: rgba(51, 51, 52, 0.25);
}

button,
.botao-arquivo {
  appearance: none;
  border: 1px solid var(--tinta);
  background: var(--painel-solido);
  color: var(--tinta);
  border-radius: var(--raio);
  padding: 8px 12px;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  min-height: 40px;
}

button:hover,
.botao-arquivo:hover {
  background: #efece6;
}

button:focus-visible,
.botao-arquivo:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--acao);
  outline-offset: 2px;
}

button.primario {
  background: var(--acao);
  border-color: var(--acao-escura);
  color: #1f1f1f;
  font-weight: 650;
}

button.primario:hover {
  background: #b89b6c;
}

button.ativo {
  background: var(--acao);
  border-color: var(--acao-escura);
}

button[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

.botao-arquivo input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 16px;
  padding: 16px 20px 12px;
  flex: 1;
}

body.modo-apresentar .layout,
body.modo-avaliacao .layout {
  grid-template-columns: 1fr;
}

body.modo-apresentar .painel-lista,
body.modo-avaliacao .painel-lista,
body.modo-apresentar .somente-edicao,
body.modo-avaliacao .somente-edicao {
  display: none;
}

body.modo-aluno .toolbar,
body.modo-aluno .painel-lista,
body.modo-aluno .somente-edicao,
body.modo-aluno .so-professor {
  display: none;
}

.palco {
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(51, 51, 52, 0.28);
  border-radius: var(--raio);
  padding: 12px;
  min-width: 0;
}

.palco-topo {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.cena {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--raio);
  background: #cfcfce;
  border: 1px solid rgba(51, 51, 52, 0.2);
}

.cena img,
.cena .imagem-demo {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}

.cena.mostrar-contorno::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 3px rgba(51, 51, 52, 0.35);
}

.cena.mostrar-fantasma img,
.cena.mostrar-fantasma .imagem-demo {
  opacity: 0.72;
}

.hotspot {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--tinta);
  background: var(--acao);
  color: #1b1b1b;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(51, 51, 52, 0.28);
  z-index: 2;
  touch-action: none;
}

body.acessivel .hotspot {
  width: 52px;
  height: 52px;
  border-width: 3px;
  box-shadow: 0 0 0 3px #fff, 0 2px 10px rgba(51, 51, 52, 0.35);
}

.hotspot:hover,
.hotspot:focus-visible {
  transform: translate(-50%, -50%) scale(1.08);
  animation: pulso 0.9s ease-in-out;
}

.hotspot.arrastando {
  z-index: 5;
  cursor: grabbing;
}

.hotspot.acerto {
  background: #c5d3b8;
}

.hotspot.erro {
  background: #d7b4ae;
}

@keyframes pulso {
  0%, 100% { box-shadow: 0 2px 8px rgba(51, 51, 52, 0.28); }
  50% { box-shadow: 0 0 0 8px rgba(171, 144, 97, 0.35); }
}

.marcador-aluno {
  position: absolute;
  min-width: 42px;
  height: 34px;
  padding: 0 8px;
  border-radius: var(--raio);
  border: 2px solid var(--tinta);
  background: var(--painel-solido);
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: grab;
  z-index: 3;
  touch-action: none;
}

.alvo-sombra {
  position: absolute;
  width: 58px;
  height: 58px;
  border: 2px dashed var(--tinta);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.45;
  pointer-events: none;
}

.painel {
  background: var(--painel);
  border: 1px solid rgba(51, 51, 52, 0.25);
  border-radius: var(--raio);
  padding: 12px;
  min-width: 0;
}

.painel h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.lista-hotspots {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: min(62vh, 640px);
  overflow: auto;
}

.item-hotspot {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border: 1px solid rgba(51, 51, 52, 0.2);
  border-radius: var(--raio);
  background: var(--painel-solido);
}

.item-hotspot strong {
  display: block;
  font-size: 0.92rem;
}

.item-hotspot span {
  display: block;
  font-size: 0.78rem;
  opacity: 0.8;
}

.acoes-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.acoes-item button {
  min-height: 32px;
  padding: 4px 8px;
  font-size: 0.78rem;
}

.status {
  margin: 0 20px 16px;
  padding: 8px 12px;
  border-radius: var(--raio);
  border: 1px solid rgba(51, 51, 52, 0.2);
  background: rgba(255, 255, 255, 0.45);
  min-height: 40px;
}

.modal-fundo {
  position: fixed;
  inset: 0;
  background: rgba(51, 51, 52, 0.42);
  display: none;
  place-items: center;
  z-index: 20;
  padding: 16px;
}

.modal-fundo.aberto {
  display: grid;
}

.modal {
  width: min(640px, 100%);
  max-height: min(90vh, 820px);
  overflow: auto;
  background: var(--painel-solido);
  border: 1px solid var(--tinta);
  border-radius: var(--raio);
  box-shadow: var(--sombra);
  padding: 16px;
}

.modal h2 {
  margin-top: 0;
}

.grade-form {
  display: grid;
  gap: 10px;
}

.grade-form label {
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
}

input[type="text"],
input[type="url"],
input[type="color"],
textarea,
select {
  width: 100%;
  border: 1px solid var(--tinta);
  border-radius: var(--raio);
  padding: 8px;
  font: inherit;
  background: #fff;
  color: var(--tinta);
}

textarea {
  min-height: 88px;
  resize: vertical;
}

.acoes-modal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 14px;
}

.conteudo-extra img,
.conteudo-extra video {
  max-width: 100%;
  border-radius: var(--raio);
  margin-top: 8px;
}

.barra-avaliacao {
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

body.modo-avaliacao .barra-avaliacao {
  display: flex;
}

.chip-pergunta {
  background: var(--painel-solido);
  border: 1px solid var(--tinta);
  border-radius: var(--raio);
  padding: 8px 10px;
}

.feedback-ok { color: var(--ok); font-weight: 700; }
.feedback-erro { color: var(--erro); font-weight: 700; }

.placar {
  margin-left: auto;
  font-weight: 700;
}

.opcoes-acessibilidade {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.opcoes-acessibilidade label {
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 0.85rem;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .separador {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hotspot:hover,
  .hotspot:focus-visible {
    animation: none;
  }
}