/* English Class — limpo, claro, padrão Apple */
:root {
  --fundo: #f5f5f7;
  --cartao: #ffffff;
  --tinta: #1d1d1f;
  --tinta-2: #86868b;
  --linha: rgba(0, 0, 0, 0.08);
  --acao: #0f7b5f;
  --acao-escuro: #0b664f;
  --acao-suave: #e8f4f0;
  --caneta: #d0342a;
  --caneta-suave: #fdf1f0;
  --ambar: #fff4dd;
  --ambar-tinta: #9a6b00;
  --raio: 12px;
  --sombra: 0 1px 3px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.04);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fundo);
  color: var(--tinta);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-weight: 700; letter-spacing: -0.022em; margin: 0 0 0.45em; }
h1 { font-size: 28px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; letter-spacing: -0.01em; }
a { color: var(--acao); text-decoration: none; }
a:hover { text-decoration: underline; }
p { margin: 0 0 0.8em; }
svg.ic { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---- controles ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  background: var(--acao); color: #fff; border: 0;
  padding: 9px 16px; border-radius: 10px;
  font: 600 14px/1.2 inherit; font-family: inherit;
  cursor: pointer; text-decoration: none;
  transition: background 0.15s ease, opacity 0.15s ease;
}
.btn:hover { background: var(--acao-escuro); text-decoration: none; }
.btn:focus-visible, a:focus-visible, .aba:focus-visible { outline: 2px solid var(--acao); outline-offset: 2px; }
.btn.sec { background: rgba(0, 0, 0, 0.05); color: var(--tinta); }
.btn.sec:hover { background: rgba(0, 0, 0, 0.09); }
.btn.mini { padding: 6px 11px; font-size: 13px; border-radius: 8px; }
.btn.perigo { background: rgba(0, 0, 0, 0.05); color: var(--caneta); }
.btn.perigo:hover { background: var(--caneta-suave); }
.btn:disabled { opacity: 0.5; cursor: default; }

label { display: block; font-size: 13px; font-weight: 600; color: var(--tinta-2); margin: 14px 0 5px; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--linha); border-radius: 10px;
  background: var(--cartao); color: var(--tinta); font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--acao);
  box-shadow: 0 0 0 3px rgba(15, 123, 95, 0.15);
}
textarea { min-height: 90px; resize: vertical; }

/* ---- estrutura ---- */
.cartao {
  background: var(--cartao); border: 1px solid var(--linha);
  border-radius: var(--raio); box-shadow: var(--sombra); padding: 20px;
}
.tabela { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabela th { text-align: left; font-size: 12px; font-weight: 600; color: var(--tinta-2); padding: 8px 10px; border-bottom: 1px solid var(--linha); }
.tabela td { padding: 12px 10px; border-bottom: 1px solid var(--linha); vertical-align: middle; }
.tabela tr:last-child td { border-bottom: 0; }
.rolagem { overflow-x: auto; }

.selo { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.selo.pendente, .selo.marcada { background: var(--ambar); color: var(--ambar-tinta); }
.selo.entregue { background: var(--acao-suave); color: var(--acao-escuro); }
.selo.corrigida { background: var(--caneta-suave); color: var(--caneta); }
.selo.pago, .selo.feita { background: var(--acao-suave); color: var(--acao-escuro); }
.selo.cancelada { background: rgba(0, 0, 0, 0.05); color: var(--tinta-2); text-decoration: line-through; }

/* assinatura: correção da professora */
.correcao {
  border-left: 3px solid var(--caneta);
  background: var(--caneta-suave);
  padding: 12px 16px; border-radius: 0 10px 10px 0; margin-top: 10px;
}
.correcao .nota { color: var(--caneta); font-size: 24px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 2px; }
.correcao .fb { color: #8c2b23; font-size: 14px; white-space: pre-wrap; }

.vazio { text-align: center; color: var(--tinta-2); padding: 40px 20px; }
.vazio h2 { color: var(--tinta); }

/* ---- login ---- */
.tela-login { min-height: 100dvh; display: grid; place-items: center; padding: 20px; }
.tela-login .cartao { width: 100%; max-width: 380px; padding: 32px; }
.marca { font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }
.marca em { font-style: normal; color: var(--acao); }

/* ---- área da professora (sidebar clara) ---- */
.layout-prof { display: grid; grid-template-columns: 224px 1fr; min-height: 100dvh; }
.lateral {
  background: var(--cartao); border-right: 1px solid var(--linha);
  padding: 20px 12px; display: flex; flex-direction: column; gap: 2px;
}
.lateral .marca { padding: 4px 12px 18px; }
.aba {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: none; border: 0; color: var(--tinta-2); text-align: left;
  padding: 9px 12px; border-radius: 9px; font: 500 14px/1.2 inherit; font-family: inherit; cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.aba:hover { background: rgba(0, 0, 0, 0.04); color: var(--tinta); text-decoration: none; }
a.aba { text-decoration: none; }
.aba.ativa { background: var(--acao-suave); color: var(--acao-escuro); font-weight: 600; }
.aba .num { margin-left: auto; background: var(--caneta); color: #fff; font-size: 11px; font-weight: 600; border-radius: 999px; padding: 1px 7px; }
.conteudo { padding: 30px 34px; max-width: 1080px; }
.topo-secao { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }

/* ---- área do aluno ---- */
.conteudo-aluno { max-width: 760px; }
.cabecalho-aluno { padding: 0 0 18px; }
.saudacao { font-size: 24px; font-weight: 700; letter-spacing: -0.022em; }
.saudacao em { font-style: normal; color: var(--acao); }

.lista-cartoes { display: grid; gap: 14px; }
.grade-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kpi { font-size: 28px; font-weight: 700; letter-spacing: -0.022em; }
.mudo { color: var(--tinta-2); font-size: 13px; }
.linha-flex { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { border: 1px solid var(--linha); background: var(--cartao); border-radius: 999px; padding: 5px 13px; font-size: 13px; font-family: inherit; color: var(--tinta); cursor: pointer; transition: all 0.15s ease; }
.chip.on { background: var(--acao); border-color: var(--acao); color: #fff; }
.anexo { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; font-weight: 500; background: rgba(0, 0, 0, 0.05); color: var(--tinta); border-radius: 8px; padding: 5px 11px; text-decoration: none; margin: 2px 6px 2px 0; }
.anexo:hover { background: rgba(0, 0, 0, 0.09); text-decoration: none; }
.anexo svg.ic { width: 14px; height: 14px; color: var(--tinta-2); }

dialog {
  border: 0; border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
  padding: 24px; max-width: 540px; width: calc(100vw - 32px);
  background: var(--cartao); color: var(--tinta);
  max-height: calc(100dvh - 48px);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.35); backdrop-filter: blur(2px); }
.acoes-modal { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }

.aviso { border-radius: 10px; padding: 10px 14px; font-size: 14px; margin: 10px 0; }
.aviso.erro { background: var(--caneta-suave); color: var(--caneta); }
.aviso.ok { background: var(--acao-suave); color: var(--acao-escuro); }

/* ---- avatar ---- */
.avatar {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--acao-suave); color: var(--acao-escuro);
  font-size: 12px; font-weight: 700; letter-spacing: 0.02em;
}

/* ---- KPIs ---- */
.kpi-grade { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.kpi-grade.duas { grid-template-columns: repeat(2, 1fr); }
.kpi-cartao { padding: 16px 18px; }
.kpi-rotulo { color: var(--tinta-2); font-size: 13px; margin-top: 2px; }
.kpi, .num-tab { font-variant-numeric: tabular-nums; }
.clicavel { cursor: pointer; }
.cartao.clicavel { transition: transform 0.15s ease, box-shadow 0.15s ease; }
.cartao.clicavel:hover { transform: translateY(-1px); box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05), 0 12px 28px rgba(0, 0, 0, 0.07); }

/* ---- tabelas refinadas ---- */
.cartao.sem-padding { padding: 6px 0; }
.cartao.sem-padding .tabela th { padding: 10px 20px 8px; }
.cartao.sem-padding .tabela td { padding: 12px 20px; }
tr.clicavel { transition: background 0.12s ease; }
tr.clicavel:hover { background: rgba(0, 0, 0, 0.025); }
td.seta { width: 34px; text-align: right; color: var(--tinta-2); }
td.seta svg.ic { width: 15px; height: 15px; }

/* ---- timeline do dia ---- */
.timeline { display: grid; gap: 0; }
.timeline-item { display: flex; align-items: center; gap: 12px; padding: 10px 0; position: relative; }
.timeline-item + .timeline-item { border-top: 1px solid var(--linha); }
.timeline-hora { font-weight: 600; font-variant-numeric: tabular-nums; width: 44px; flex: none; }
.timeline-ponto { width: 8px; height: 8px; border-radius: 50%; background: var(--acao); flex: none; }
.timeline-item.passada { opacity: 0.55; }
.timeline-item.passada .timeline-ponto { background: var(--tinta-2); }

/* ---- listas clicáveis ---- */
.linha-lista {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: none; border: 0; border-radius: 10px; padding: 9px 8px;
  font: inherit; color: inherit; cursor: pointer; text-align: left;
  transition: background 0.12s ease;
}
.linha-lista:hover { background: rgba(0, 0, 0, 0.03); }
.linha-lista svg.ic { width: 14px; height: 14px; color: var(--tinta-2); }

/* ---- progresso ---- */
.progresso { width: 90px; height: 5px; border-radius: 999px; background: rgba(0, 0, 0, 0.07); overflow: hidden; flex: none; display: inline-block; }
.progresso-fill { display: block; height: 100%; border-radius: 999px; background: var(--acao); transition: width 0.3s ease; }

/* ---- estados vazios ---- */
.vazio-icone { display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: 16px; background: rgba(0, 0, 0, 0.04); margin-bottom: 14px; }
.vazio-icone svg.ic { width: 26px; height: 26px; color: var(--tinta-2); }
.vazio-mini { text-align: center; padding: 22px 0 10px; color: var(--tinta-2); }
.vazio-mini svg.ic { width: 24px; height: 24px; }

/* ---- materiais ---- */
.cartao.material { display: flex; gap: 14px; align-items: flex-start; }
.material-icone { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 40px; height: 40px; border-radius: 11px; background: var(--acao-suave); color: var(--acao-escuro); }
.material-icone svg.ic { width: 19px; height: 19px; }
.quebra { overflow-wrap: anywhere; }

/* ---- agenda em grade ---- */
.agenda-grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.dia-cartao { padding: 14px 16px; }
.dia-cartao.hoje { border-color: var(--acao); box-shadow: 0 0 0 1px var(--acao), var(--sombra); }
.dia-cabecalho { display: flex; align-items: baseline; gap: 8px; padding-bottom: 8px; border-bottom: 1px solid var(--linha); margin-bottom: 4px; }
.dia-nome { font-weight: 700; letter-spacing: -0.01em; }
.dia-data { color: var(--tinta-2); font-size: 13px; font-variant-numeric: tabular-nums; }
.dia-livre { margin: 8px 0 2px; }
.aula-linha { display: flex; align-items: center; gap: 10px; padding: 9px 0; }
.aula-linha + .aula-linha { border-top: 1px solid var(--linha); }
.aula-hora { font-weight: 600; font-variant-numeric: tabular-nums; flex: none; }
.aula-linha.cancelada .aula-nome { text-decoration: line-through; color: var(--tinta-2); }
.aula-acoes { display: flex; gap: 6px; flex: none; }
.aula-acoes .btn.mini { padding: 5px 8px; }
.aula-acoes svg.ic { width: 14px; height: 14px; }

/* ---- grupos de navegação ---- */
.grupo-botoes { display: inline-flex; align-items: center; gap: 2px; background: rgba(0, 0, 0, 0.05); border-radius: 10px; padding: 2px; }
.grupo-botoes .btn.sec { background: none; }
.grupo-botoes .btn.sec:hover { background: rgba(0, 0, 0, 0.06); }
.mes-atual { padding: 0 10px; font-variant-numeric: tabular-nums; }

/* ---- perfil na sidebar ---- */
.perfil { display: flex; align-items: center; gap: 10px; padding: 10px 12px; margin-top: auto; border-top: 1px solid var(--linha); }
.perfil-info { display: grid; line-height: 1.25; }
.perfil-info strong { font-size: 13.5px; }
.perfil + #sair { margin-top: 2px; }

/* ---- área do aluno: próxima aula ---- */
.proxima-aula { background: var(--acao); border-color: var(--acao); color: #fff; }
.proxima-rotulo { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.8; }
.proxima-quando { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-top: 4px; }
.proxima-hora { display: flex; align-items: center; gap: 6px; margin-top: 4px; font-weight: 500; opacity: 0.95; }
.proxima-aula .mudo { color: rgba(255, 255, 255, 0.75); }
.cartao.atividade-pendente { border-left: 3px solid #e5a50a; }

/* ---- login ---- */
.login-caixa { width: 100%; max-width: 380px; }
.login-topo { text-align: center; margin-bottom: 18px; }
.login-topo .marca { font-size: 24px; }
.marca-icone {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: 14px; margin-bottom: 12px;
  background: var(--acao); color: #fff; box-shadow: 0 8px 20px rgba(15, 123, 95, 0.3);
}
.marca-icone svg.ic { width: 26px; height: 26px; }

/* ---- questionários ---- */
.questao-num { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--tinta-2); }
.questao-enunciado { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; margin: 6px 0 12px; }
.opcoes { display: grid; gap: 8px; }
.opcao {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--linha); border-radius: 10px; padding: 11px 14px;
  cursor: pointer; transition: border-color 0.12s ease, background 0.12s ease;
  font-size: 14.5px; font-weight: 400; color: var(--tinta); margin: 0;
}
.opcao:hover { border-color: var(--acao); background: var(--acao-suave); }
.opcao input[type="radio"] { width: auto; accent-color: var(--acao); margin: 0; }
.opcao:has(input:checked) { border-color: var(--acao); background: var(--acao-suave); }
.opcao:has(input:disabled) { cursor: default; }
.opcao:has(input:disabled):hover { border-color: var(--linha); background: none; }
.opcao.certa, .opcao.certa:hover, .opcao:has(input:disabled).certa:hover { border-color: var(--acao); background: var(--acao-suave); }
.opcao.errada, .opcao.errada:hover, .opcao:has(input:disabled).errada:hover { border-color: var(--caneta); background: var(--caneta-suave); }
.opcao svg.ic { width: 15px; height: 15px; margin-left: auto; }
.opcao.certa svg.ic { color: var(--acao-escuro); }
.opcao.errada svg.ic { color: var(--caneta); }
.opcao span { flex: 1; }
.opcao-builder { display: flex; align-items: center; gap: 8px; }
.opcao-builder input[type="radio"] { width: auto; accent-color: var(--acao); flex: none; }

.placar {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--acao-suave); color: var(--acao-escuro);
  border-radius: 10px; padding: 7px 12px; font-size: 13.5px; font-weight: 600; margin-top: 10px;
}
.placar svg.ic { width: 15px; height: 15px; }
.placar.grande { font-size: 34px; padding: 14px 26px; border-radius: 16px; margin: 0 0 14px; font-variant-numeric: tabular-nums; }

.respostas-prof { display: grid; gap: 8px; margin: 8px 0 4px; }
.resposta-item { display: flex; gap: 9px; font-size: 14px; }
.resposta-marca { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 22px; height: 22px; border-radius: 50%; margin-top: 2px; }
.resposta-marca svg.ic { width: 12px; height: 12px; }
.resposta-marca.certa { background: var(--acao-suave); color: var(--acao-escuro); }
.resposta-marca.errada { background: var(--caneta-suave); color: var(--caneta); }
.resposta-marca.escrita { background: rgba(0, 0, 0, 0.05); color: var(--tinta-2); }

/* ---- diário e vocabulário ---- */
.dever { display: flex; gap: 10px; margin-top: 12px; background: var(--ambar); border-radius: 10px; padding: 11px 14px; }
.dever svg.ic { width: 16px; height: 16px; color: var(--ambar-tinta); flex: none; margin-top: 2px; }
.dever-rotulo { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ambar-tinta); }
.bloco-info { border: 1px solid var(--linha); border-radius: 10px; padding: 12px 14px; margin: 12px 0; }
.bloco-info h3 { margin-bottom: 8px; }
.rolagem-y { max-height: 180px; overflow-y: auto; }
.diario-item { padding: 8px 0; border-top: 1px solid var(--linha); font-size: 14px; }
.diario-item:first-child { border-top: 0; padding-top: 0; }
.vocab-item { padding: 6px 0; border-top: 1px solid var(--linha); }
.vocab-item:first-child { border-top: 0; }

/* ---- flashcards ---- */
.flashcard { max-width: 420px; height: 230px; margin: 0 auto; perspective: 1000px; cursor: pointer; }
.flashcard-inner { position: relative; width: 100%; height: 100%; transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1); transform-style: preserve-3d; }
.flashcard.virada .flashcard-inner { transform: rotateY(180deg); }
.flashcard-face {
  position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: var(--cartao); border: 1px solid var(--linha); border-radius: 18px; box-shadow: var(--sombra);
  padding: 20px; text-align: center;
}
.flashcard-face.verso { transform: rotateY(180deg); background: var(--acao); border-color: var(--acao); }
.flashcard-face.verso .flashcard-palavra { color: #fff; }
.flashcard-palavra { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; overflow-wrap: anywhere; }
@media (prefers-reduced-motion: reduce) { .flashcard-inner { transition: none; } }

/* ---- modais ---- */
dialog { overflow-y: auto; }
dialog[open] { animation: modal-in 0.18s ease; }
dialog[open]::backdrop { animation: fade-in 0.18s ease; }
@keyframes modal-in { from { opacity: 0; transform: translateY(10px) scale(0.98); } }
@keyframes fade-in { from { opacity: 0; } }

@media (max-width: 860px) {
  .kpi-grade { grid-template-columns: repeat(2, 1fr); }
  .agenda-grade { grid-template-columns: 1fr; }
  .perfil { display: none; }
}

@media (max-width: 860px) {
  .layout-prof { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .lateral { flex-direction: row; overflow-x: auto; position: sticky; top: 0; z-index: 5; align-items: center; border-right: 0; border-bottom: 1px solid var(--linha); padding: 10px 12px; }
  .lateral .marca { padding: 4px 10px; white-space: nowrap; }
  .aba { white-space: nowrap; width: auto; }
  .aba span.rotulo { display: none; }
  #sair { margin-top: 0 !important; margin-left: auto; }
  .conteudo { padding: 20px 16px; }
  .grade-2 { grid-template-columns: 1fr; }
  h1 { font-size: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}