:root {
  --verde: #1f7a3a;
  --verde-claro: #e8f4ec;
  --texto: #1d2420;
  --suave: #5f6b64;
  --borda: #d7ded9;
  --fundo: #f6f8f6;
  --branco: #fff;
  --erro: #b42318;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texto);
  background: var(--fundo);
}
.topo {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 20px; background: var(--verde); color: #fff;
}
.marca { color: #fff; font-weight: 700; font-size: 20px; text-decoration: none; }
.topo .usuario { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.topo button { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.6); }
main { max-width: 960px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 24px 0 8px; }
h3 { font-size: 16px; margin: 0 0 4px; }
p.sub { color: var(--suave); margin: 0 0 20px; }
.cartao { background: var(--branco); border: 1px solid var(--borda); border-radius: 10px; padding: 20px; margin-bottom: 16px; }
.centro { max-width: 420px; margin: 40px auto; }
label { display: block; font-weight: 600; margin: 14px 0 4px; }
.ajuda { color: var(--suave); font-size: 14px; margin: 0 0 6px; font-weight: 400; }
input[type=text], input[type=password], textarea, select {
  width: 100%; padding: 10px 12px; font: inherit;
  border: 1px solid var(--borda); border-radius: 8px; background: #fff;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--verde); outline-offset: -1px; }
button, .botao {
  display: inline-block; padding: 10px 18px; font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 8px; border: 1px solid var(--verde); background: var(--verde); color: #fff; text-decoration: none;
}
button.secundario, .botao.secundario { background: #fff; color: var(--verde); }
button:disabled { opacity: .6; cursor: default; }
.linha-botoes { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; align-items: center; }
.contador { font-size: 13px; color: var(--suave); text-align: right; }
.ok { color: var(--verde); font-weight: 700; margin-left: 6px; }
.opcoes { display: flex; gap: 10px; }
.opcoes label {
  flex: 1; font-weight: 600; border: 1px solid var(--borda); border-radius: 8px; padding: 12px;
  cursor: pointer; margin: 0; background: #fff;
}
.opcoes input { margin-right: 6px; }
.opcoes label:has(input:checked) { border-color: var(--verde); background: var(--verde-claro); }
.avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; background: #cfe3d6; }
.lista-turmas { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.turma { display: block; color: inherit; text-decoration: none; }
.turma:hover { border-color: var(--verde); }
.meta { color: var(--suave); font-size: 14px; }
.grade { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 14px; }
@media (max-width: 600px) { .grade { grid-template-columns: 1fr; } }
.abas { display: flex; gap: 6px; flex-wrap: wrap; margin: 16px 0; }
.abas a {
  padding: 8px 14px; border-radius: 999px; border: 1px solid var(--borda); background: #fff;
  color: var(--texto); text-decoration: none; font-size: 14px;
}
.abas a.ativa { background: var(--verde); border-color: var(--verde); color: #fff; }
.abas a.enviado:not(.ativa) { border-color: var(--verde); color: var(--verde); }
.grupo { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--borda); }
.grupo:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.feedback { background: var(--verde-claro); border-left: 4px solid var(--verde); padding: 12px 14px; border-radius: 6px; margin-bottom: 16px; white-space: pre-wrap; }
.anexo-atual { font-size: 14px; margin-top: 6px; }
.anexo-atual img { display: block; max-width: 220px; max-height: 160px; margin-top: 6px; border-radius: 6px; }
.erro { color: var(--erro); font-size: 14px; margin-top: 10px; }
.aviso {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%);
  background: var(--texto); color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 14px;
}
.filtros { display: flex; gap: 10px; flex-wrap: wrap; }
.filtros > * { flex: 1; min-width: 150px; }
table { width: 100%; border-collapse: collapse; background: #fff; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--borda); vertical-align: top; }
th { background: #eef2ef; font-weight: 600; }
.tabela { overflow-x: auto; border: 1px solid var(--borda); border-radius: 10px; }
.detalhe { background: #fafcfa; }
.detalhe dl { margin: 0; }
.detalhe dt { font-weight: 600; margin-top: 8px; }
.detalhe dd { margin: 0; white-space: pre-wrap; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: #eef2ef; }
.tag.sim { background: var(--verde-claro); color: var(--verde); }
.barra-feedback { position: sticky; bottom: 0; background: var(--fundo); padding: 12px 0; }
.link { background: none; border: 0; color: var(--verde); padding: 0; font-weight: 600; text-decoration: underline; }

.horario { display: flex; gap: 10px; }
.horario label { flex: 1; margin: 0; font-weight: 400; font-size: 14px; color: var(--suave); }
.horario input[type=time] {
  display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--texto);
  border: 1px solid var(--borda); border-radius: 8px; background: #fff; cursor: pointer;
}

.topo { flex-wrap: wrap; }
.menu { display: flex; gap: 16px; margin-left: 24px; }
.menu a { color: #fff; text-decoration: none; font-weight: 600; font-size: 15px; opacity: .9; }
.menu a:hover { opacity: 1; text-decoration: underline; }
.avatar.pequeno { width: 22px; height: 22px; display: inline-block; vertical-align: middle; }
.autor { display: inline-flex; align-items: center; gap: 6px; }
.lista-topicos { display: grid; gap: 10px; margin-top: 16px; }
.topico { display: block; color: inherit; text-decoration: none; margin: 0; }
.topico:hover { border-color: var(--verde); }
.topico h3 { margin-bottom: 6px; }
.mensagem { white-space: pre-wrap; margin-top: 12px; }
.resposta { margin-bottom: 10px; }
.novo-topico summary { cursor: pointer; font-weight: 600; color: var(--verde); }
.link.perigo { color: var(--erro); margin-left: 8px; font-weight: 400; font-size: 13px; }
#topo-usuario { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex: 1; }
@media (max-width: 600px) { .menu { margin-left: 0; } }
.imagem-forum { display: inline-block; margin-top: 12px; }
.imagem-forum img { display: block; max-width: 100%; max-height: 420px; border-radius: 8px; border: 1px solid var(--borda); }

/* ---------- UI mais clara ---------- */
body { font-size: 17px; }
.marca { letter-spacing: .5px; }
.menu a { padding: 6px 12px; border-radius: 999px; position: relative; }
.menu a.ativa { background: rgba(255,255,255,.18); opacity: 1; }
.badge {
  display: inline-block; min-width: 20px; padding: 0 6px; margin-left: 6px; border-radius: 999px;
  background: #f5b700; color: #1d2420; font-size: 12px; font-weight: 700; text-align: center; line-height: 20px;
}
.cabecalho { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
.botao-grande {
  display: inline-block; padding: 14px 22px; font: inherit; font-size: 17px; font-weight: 700; cursor: pointer;
  border-radius: 10px; border: 0; background: var(--verde); color: #fff; text-decoration: none;
  box-shadow: 0 2px 6px rgba(31,122,58,.25);
}
.botao-grande:hover, button:not(.link):not(:disabled):hover, .botao:hover { filter: brightness(1.08); }
button.largo { width: 100%; margin-top: 16px; padding: 14px; font-size: 17px; }
input.grande { font-size: 22px; padding: 14px; letter-spacing: 1px; text-align: center; }
.entrada { text-align: left; }
.rodape-entrada { text-align: center; margin: 20px 0 0; font-size: 14px; }
.rodape-entrada a { color: var(--suave); }
.passo { color: var(--verde); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .5px; margin: 0 0 4px; }
.opcoes { flex-wrap: wrap; }
.opcoes label { display: flex; align-items: flex-start; gap: 8px; min-width: 150px; }
.opcoes label span { display: flex; flex-direction: column; }
.opcoes small { font-weight: 400; color: var(--suave); font-size: 13px; }
.foto-perfil { display: flex; align-items: center; gap: 14px; }
.avatar.grande { width: 64px; height: 64px; flex: none; display: inline-block; background-size: cover; background-position: center; }
.form-turma { border: 2px solid var(--verde); }
.form-turma h2 { margin-top: 0; }
.destaque-avisos { background: #fff8e1; border-color: #f5d36b; }
.destaque-avisos h2 { margin-top: 0; }
.destaque-avisos p { margin: 4px 0; }
.destaque-avisos .botao { margin-top: 10px; }
.turma { display: flex; flex-direction: column; gap: 2px; margin: 0; }
.turma .abrir { margin-top: 10px; color: var(--verde); font-weight: 700; font-size: 15px; }
.verde { color: var(--verde); }
.progresso { height: 8px; background: #e4ebe6; border-radius: 999px; overflow: hidden; margin: 10px 0 6px; }
.progresso span { display: block; height: 100%; background: var(--verde); border-radius: 999px; }
.resumo-turma { display: flex; align-items: center; gap: 12px; max-width: 420px; }
.resumo-turma .progresso { flex: 1; margin: 0; }
.vazio {
  border: 2px dashed var(--borda); border-radius: 10px; padding: 28px; text-align: center; color: var(--suave); background: #fff;
}
.modulos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 12px 0 16px; }
@media (max-width: 600px) { .modulos { grid-template-columns: repeat(2, 1fr); } }
.modulos a {
  display: flex; flex-direction: column; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--borda);
  background: #fff; color: var(--texto); text-decoration: none;
}
.modulos small { color: var(--suave); font-size: 13px; }
.modulos a.enviado { border-color: var(--verde); }
.modulos a.enviado small { color: var(--verde); }
.modulos a.com-feedback small { color: #9a6700; font-weight: 600; }
.modulos a.ativa { background: var(--verde); border-color: var(--verde); color: #fff; }
.modulos a.ativa small { color: #fff; }
.navegacao-modulos { display: flex; justify-content: space-between; gap: 10px; }
.zona-perigo { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--borda); text-align: right; }
.zona-perigo .link.perigo { font-size: 14px; }
input[type=file] {
  display: block; width: 100%; padding: 12px; border: 2px dashed var(--borda); border-radius: 8px; background: #fafcfa; font: inherit; font-size: 15px; cursor: pointer;
}
.foto-perfil input[type=file] { flex: 1; }
.numeros { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 8px 0 4px; }
.numeros .cartao { margin: 0; display: flex; flex-direction: column; }
.numeros strong { font-size: 28px; color: var(--verde); line-height: 1.1; }
.numeros span { color: var(--suave); font-size: 14px; }
@media (max-width: 600px) { .numeros { grid-template-columns: 1fr 1fr 1fr; gap: 6px; } .numeros strong { font-size: 22px; } }
.aviso-item h3 { margin-top: 6px; font-size: 18px; }
.aviso-item .mensagem { margin-top: 6px; }
.aviso-item.novo { border-left: 4px solid #f5b700; }
.tag.novo { background: #f5b700; color: #1d2420; font-weight: 700; }
.novo-topico summary { list-style: none; display: inline-block; padding: 10px 18px; border-radius: 8px; background: var(--verde); color: #fff; }
.novo-topico summary::-webkit-details-marker { display: none; }
.novo-topico[open] summary { margin-bottom: 8px; }
.novo-topico { background: transparent; border: 0; padding: 0; }
.novo-topico[open] { background: var(--branco); border: 1px solid var(--borda); padding: 20px; }
@media (max-width: 600px) {
  .botao-grande { width: 100%; text-align: center; }
  .cabecalho > div { width: 100%; }
  main { padding-top: 16px; }
}

/* ---------- perfil ---------- */
.meu-perfil {
  display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none;
  padding: 4px 12px 4px 4px; border-radius: 999px;
}
.meu-perfil:hover { background: rgba(255,255,255,.15); }
.meu-perfil .lapis { opacity: .8; font-size: 15px; }
.remover-foto { font-weight: 400; font-size: 14px; margin: 8px 0 0; }
.redes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.redes .botao { padding: 8px 14px; font-size: 15px; }
.perfil-publico { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.avatar.enorme { width: 110px; height: 110px; display: inline-block; flex: none; }
.autor a { color: inherit; }
@media (max-width: 600px) { .meu-perfil > span:not(.avatar):not(.lapis) { display: none; } }
@media (max-width: 600px) {
  #topo-usuario { flex-wrap: wrap; gap: 8px; }
  #topo-usuario .usuario { margin-left: auto; }
  #topo-usuario .menu { order: 2; width: 100%; gap: 4px; justify-content: space-between; }
  .menu a { padding: 6px 10px; }
}

/* ---------- material e perguntas ---------- */
.menu { flex-wrap: wrap; gap: 6px; }
.categoria h2 .meta { font-weight: 400; font-size: 14px; margin-left: 6px; }
.material { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 10px; }
.material h3 { margin-bottom: 4px; }
.material .tag { margin-top: 8px; }
.material .botao { flex: none; }
@media (max-width: 600px) { .material { flex-direction: column; align-items: stretch; } .material .botao { text-align: center; } }
.pergunta.pendente { border-left: 4px solid #f5b700; }

/* ---------- admin: envios à esquerda, feedback à direita ---------- */
main.largo { max-width: 1280px; }
.duas-colunas { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; margin-top: 12px; }
.coluna-feedback { position: sticky; top: 16px; }
.coluna-feedback .cartao { border: 2px solid var(--verde); margin: 0; }
.coluna-feedback textarea { min-height: 200px; }
.qtd-selecionados { margin: 0 0 8px; font-weight: 600; color: var(--suave); }
.qtd-selecionados.tem { color: var(--verde); }
.coluna-envios h2:first-of-type { margin-top: 16px; }
.turma-ficha h2 .meta { font-weight: 400; font-size: 14px; margin-left: 6px; }
.envio { padding: 14px 16px; margin-bottom: 10px; }
.envio.pendente { border-left: 4px solid #f5b700; }
.envio-topo { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.envio-topo .link { margin-left: auto; font-size: 14px; }
.marcar { margin: 0; display: flex; align-items: center; gap: 6px; cursor: pointer; }
.envio .detalhe { background: transparent; margin-top: 6px; }
.envio .detalhe dl { margin: 0; }
.envio .detalhe dt { font-weight: 600; margin-top: 8px; }
.envio .detalhe dd { margin: 0; white-space: pre-wrap; }
.tabela a { color: var(--texto); }
@media (max-width: 900px) {
  .duas-colunas { grid-template-columns: 1fr; }
  .coluna-feedback { position: sticky; top: auto; bottom: 0; }
  .coluna-feedback textarea { min-height: 90px; }
}

/* ---------- participantes e mensagens ---------- */
.lista-participantes { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; margin-top: 14px; }
.participante { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; align-items: center; margin: 0; }
.participante .info h3 { margin-bottom: 4px; }
.participante .acoes { grid-column: 1 / -1; display: flex; gap: 8px; margin-top: 8px; }
.participante .acoes .botao { flex: 1; text-align: center; padding: 8px 12px; }
.trecho { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversa { display: flex; align-items: center; gap: 14px; color: inherit; text-decoration: none; margin-bottom: 10px; }
.conversa .info { flex: 1; min-width: 0; }
.conversa:hover { border-color: var(--verde); }
.conversa.nova { border-left: 4px solid var(--verde); }
.cabecalho-conversa { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.cabecalho-conversa a { color: inherit; text-decoration: none; }
.chat { display: flex; flex-direction: column; gap: 10px; max-height: 60vh; overflow-y: auto; background: #fafcfa; }
.bolha { max-width: 75%; align-self: flex-start; background: #fff; border: 1px solid var(--borda); border-radius: 12px 12px 12px 2px; padding: 8px 12px; }
.bolha.minha { align-self: flex-end; background: var(--verde-claro); border-color: #bfdcc8; border-radius: 12px 12px 2px 12px; }
.bolha .mensagem { margin: 0; }
.bolha .hora { font-size: 12px; color: var(--suave); text-align: right; margin-top: 2px; }
.enviar-mensagem { display: flex; gap: 10px; align-items: flex-end; }
.enviar-mensagem textarea { min-height: 56px; flex: 1; }
/* Menu compacto para caber em uma linha no computador. */
.menu { gap: 2px; margin-left: 16px; }
.menu a { font-size: 14px; padding: 6px 10px; }
@media (max-width: 1250px) { .meu-perfil > span:not(.avatar):not(.lapis) { display: none; } }