/* ============================================
   BASE CONCEITUAL — IA NA EDUCAÇÃO BÁSICA
   Folha de estilos unificada
   ============================================ */

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Arial, sans-serif;
  font-size: 14px;
  background: #f2f2ed;
  color: #222;
}

/* ============================================
   NAVEGAÇÃO DE TOPO — SOBRE IA / COM IA
   ============================================ */
.topo {
  background: #fff;
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.topo-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.topo-logo {
  font-size: 13px;
  font-weight: bold;
  color: #0C447C;
  margin-right: auto;
}

.topo-sub {
  font-size: 10px;
  font-weight: normal;
  color: #888;
  text-transform: uppercase;
  letter-spacing: .05em;
  display: block;
  margin-top: 2px;
}

.chave {
  font-size: 12px;
  font-weight: bold;
  padding: 8px 18px;
  border: 1.5px solid #378ADD;
  background: #fff;
  color: #185FA5;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
  letter-spacing: .02em;
}

.chave:hover { background: #E6F1FB; }

.chave.ativa {
  background: #185FA5;
  color: #fff;
  border-color: #185FA5;
}

/* Ícone Sobre na barra de topo */
.btn-sobre {
  font-size: 18px;
  font-weight: bold;
  width: 32px;
  height: 32px;
  border: 1.5px solid #ccc;
  background: #fff;
  color: #888;
  border-radius: 50%;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
}

.btn-sobre:hover {
  border-color: #378ADD;
  color: #185FA5;
  background: #E6F1FB;
}

/* ============================================
   MODAL SOBRE
   ============================================ */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  padding: 20px;
  overflow-y: auto;
}

.modal.aberto { display: flex; align-items: flex-start; justify-content: center; }

.modal-conteudo {
  background: #fff;
  max-width: 680px;
  width: 100%;
  border-radius: 10px;
  padding: 32px 36px;
  position: relative;
  margin: 40px auto;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.modal-fechar {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  font-size: 28px;
  color: #999;
  cursor: pointer;
  line-height: 1;
  padding: 4px 10px;
  font-family: inherit;
}

.modal-fechar:hover { color: #222; }

.modal-titulo {
  font-size: 22px;
  font-weight: bold;
  color: #0C447C;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid #E6F1FB;
}

.modal-subtitulo {
  font-size: 13px;
  font-weight: bold;
  color: #185FA5;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-top: 20px;
  margin-bottom: 10px;
}

.modal-conteudo p {
  font-size: 13px;
  line-height: 1.65;
  color: #333;
  margin-bottom: 12px;
}

.modal-conteudo em { font-style: italic; color: #555; }
.modal-conteudo strong { color: #0C447C; }

.modal-lista {
  list-style: none;
  padding: 0;
  margin: 0 0 12px 0;
}

.modal-lista li {
  font-size: 13px;
  line-height: 1.65;
  color: #333;
  padding: 5px 0 5px 14px;
  position: relative;
}

.modal-lista li::before {
  content: "•";
  color: #378ADD;
  font-weight: bold;
  position: absolute;
  left: 4px;
}



/* ============================================
   SELETOR DE ETAPA (SOBRE IA)
   ============================================ */
.etapas-seletor {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-etapa {
  font-size: 12px;
  font-weight: bold;
  padding: 7px 14px;
  border: 1px solid #B5D4F4;
  background: #fff;
  color: #185FA5;
  border-radius: 20px;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}

.btn-etapa:hover { background: #E6F1FB; }
.btn-etapa.ativa { background: #185FA5; color: #fff; border-color: #185FA5; }

/* ============================================
   SEÇÕES (SOBRE IA / COM IA)
   ============================================ */
.secao { display: none; }
.secao.ativa { display: block; }

.subsecao { display: none; }
.subsecao.ativa { display: block; }

/* ============================================
   PÁGINA E CABEÇALHO DE ETAPA
   ============================================ */
.pagina {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px;
}

.pagina-header {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 0;
}

.pagina-header .etapa-header { margin-bottom: 0; }

.etapa-header {
  background: #E6F1FB;
  border-left: 5px solid #378ADD;
  padding: 16px 24px;
  margin-bottom: 24px;
}

.etapa-titulo {
  font-size: 20px;
  font-weight: bold;
  color: #0C447C;
}

.etapa-fonte {
  font-size: 12px;
  color: #555;
  margin-top: 6px;
  line-height: 1.5;
}

.etapa-fonte strong { color: #0C447C; }
.etapa-fonte em { font-style: italic; }

.cluster { margin-bottom: 28px; }

/* ============================================
   BLOCO DE APRENDIZAGEM (SOBRE IA) — 2 colunas
   ============================================ */
.bloco {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 14px;
}

.bloco-topo {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  border-bottom: 1px solid #eee;
}

.coluna-aprendizagem {
  padding: 20px 18px;
  background: #F6FAFE;
  border-right: 1px solid #eee;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.aprendizagem-nome {
  font-size: 13px;
  font-weight: bold;
  color: #888;
  line-height: 1.4;
}

.coluna-direita {
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.abordagem-label {
  font-size: 10px;
  font-weight: bold;
  color: #999;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}

.abordagem-texto {
  font-size: 15px;
  font-weight: bold;
  line-height: 1.45;
  color: #222;
}

/* ============================================
   BOTÕES DE PAINÉIS (UNESCO / Framework)
   ============================================ */
.botoes {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: #fafaf8;
  flex-wrap: wrap;
}

.unesco-label {
  font-size: 10px;
  font-weight: bold;
  color: #aaa;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-right: 2px;
}

.btn {
  font-size: 11px;
  font-weight: bold;
  padding: 4px 11px;
  border-radius: 20px;
  border: 1px solid;
  cursor: pointer;
  background: #fff;
  transition: background .15s;
  line-height: 1.6;
  font-family: inherit;
}

.btn-oc { color: #3C3489; border-color: #AFA9EC; }
.btn-oc:hover { background: #EEEDFE; }

.btn-metodo { color: #0F6E56; border-color: #5DCAA5; }
.btn-metodo:hover { background: #E1F5EE; }

.btn-aval { color: #854F0B; border-color: #EF9F27; }
.btn-aval:hover { background: #FAEEDA; }

.btn-premissa { color: #0F6E56; border-color: #5DCAA5; }
.btn-premissa:hover { background: #E1F5EE; }

/* ============================================
   PAINÉIS EXPANSÍVEIS
   ============================================ */
.painel {
  display: none;
  padding: 14px 16px;
  border-top: 1px solid #eee;
}

.painel.aberto { display: block; }

.painel-titulo {
  font-size: 10px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 10px;
}

.painel-oc .painel-titulo { color: #3C3489; }
.painel-metodo .painel-titulo { color: #0F6E56; }
.painel-aval .painel-titulo { color: #854F0B; }

/* ============================================
   ITENS DENTRO DE PAINÉIS (OCs, Métodos, Avaliações)
   ============================================ */
.oc-item {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}
.oc-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.oc-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 5px;
}

.oc-codigo {
  font-size: 10px;
  font-weight: bold;
  background: #EEEDFE;
  color: #3C3489;
  padding: 2px 7px;
  border-radius: 3px;
}

.nivel-tag {
  font-size: 10px;
  font-weight: bold;
  padding: 2px 7px;
  border-radius: 3px;
}

.n1 { background: #EAF3DE; color: #27500A; }
.n2 { background: #E6F1FB; color: #0C447C; }
.n3 { background: #FCEBEB; color: #791F1F; }

.oc-texto { font-size: 12px; line-height: 1.6; color: #333; }

.metodo-item {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f0f0f0;
}
.metodo-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.metodo-titulo { font-size: 12px; font-weight: bold; color: #0F6E56; margin-bottom: 4px; }
.metodo-desc { font-size: 12px; line-height: 1.6; color: #444; }

.nivel-bloco {
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid #f0f0f0;
}
.nivel-bloco:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.aval-nome { font-size: 11px; font-weight: bold; color: #854F0B; margin-bottom: 8px; }

.aval-item {
  font-size: 12px;
  line-height: 1.6;
  color: #333;
  padding: 5px 0 5px 12px;
  border-left: 3px solid #FAC775;
  margin-bottom: 4px;
}
.aval-item:last-child { margin-bottom: 0; }

.aval-codigo { font-size: 10px; color: #bbb; margin-right: 5px; }

.sem-oc {
  font-size: 12px;
  color: #aaa;
  font-style: italic;
  line-height: 1.6;
}

/* ============================================
   CARDS DE DIMENSÃO (COM IA)
   ============================================ */
.coluna-dimensao {
  padding: 20px 18px;
  background: #F6FAFE;
  border-right: 1px solid #eee;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.dim-nome {
  font-size: 18px;
  font-weight: bold;
  color: #0C447C;
  line-height: 1.25;
}

.coluna-acoes { padding: 16px 18px; }

.acoes-label {
  font-size: 10px;
  font-weight: bold;
  color: #999;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 8px;
}

.acoes-lista {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.acao-chip {
  font-size: 12px;
  font-weight: bold;
  color: #3C3489;
  background: #EEEDFE;
  padding: 4px 10px;
  border-radius: 3px;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}
.acao-chip:hover { background: #DDD9FC; border-color: #AFA9EC; }
.acao-chip.ativo { background: #3C3489; color: #fff; border-color: #3C3489; }

.acao-descricao {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  background: #F9F8FE;
  border-left: 3px solid #AFA9EC;
  border-radius: 3px;
  font-size: 12px;
  line-height: 1.65;
  color: #333;
}
.acao-descricao.aberto { display: block; }
.acao-descricao strong { color: #3C3489; }

.premissa-item {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid #f0f0f0;
}
.premissa-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.premissa-titulo { font-size: 12px; font-weight: bold; color: #0F6E56; margin-bottom: 8px; }

.premissa-desc ul { list-style: none; padding: 0; margin: 0; }
.premissa-desc li {
  font-size: 12px;
  line-height: 1.65;
  color: #444;
  padding: 4px 0 4px 14px;
  position: relative;
}
.premissa-desc li::before {
  content: "•";
  color: #5DCAA5;
  font-weight: bold;
  position: absolute;
  left: 4px;
}

/* ============================================
   RODAPÉ
   ============================================ */
.rodape {
  background: #fff;
  border-top: 1px solid #ddd;
  margin-top: 40px;
  padding: 20px 16px;
}

.rodape-inner {
  max-width: 760px;
  margin: 0 auto;
  font-size: 11px;
  color: #888;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.rodape-inner a {
  color: #185FA5;
  text-decoration: none;
  font-weight: bold;
}

.rodape-inner a:hover { text-decoration: underline; }

/* ============================================
   RESPONSIVO
   ============================================ */
@media (max-width: 560px) {
  .bloco-topo { grid-template-columns: 1fr; }
  .coluna-aprendizagem,
  .coluna-dimensao {
    border-right: none;
    border-bottom: 1px solid #eee;
  }
}