/* ==========================================================================
   Repositório de Aulas — Prof. Adriano Pellim
   Direção visual: papel milimetrado + fichário. Cada disciplina ganha a cor
   da sua "aba", gerada pelo hash do ID. Aula ainda não liberada recebe um
   carimbo de secretaria com a data e a hora exatas da liberação.
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,700;12..96,800&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&display=swap");

:root {
  --papel: #eef1f5;
  --papel-forte: #ffffff;
  --linha: #d7dee7;
  --tinta: #141e33;
  --tinta-2: #5c6b82;
  --destaque: #6b3fd4;
  --ok: #16724f;
  --espera: #8c6410;
  --erro: #b3261e;

  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --corpo: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --r: 14px;
  --sombra: 0 1px 0 rgba(20, 30, 51, 0.06), 0 10px 24px -14px rgba(20, 30, 51, 0.4);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--corpo);
  color: var(--tinta);
  background-color: var(--papel);
  background-image:
    linear-gradient(to right, rgba(20, 30, 51, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20, 30, 51, 0.045) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- Cabeçalho ---------- */
.topo {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--tinta);
  color: #fff;
  border-bottom: 3px solid var(--destaque);
}

.topo-conteudo {
  max-width: 1140px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.marca {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
}

.marca a {
  color: inherit;
  text-decoration: none;
  display: inline-block;
  border-radius: 6px;
  transition: opacity 0.15s ease;
}
.marca a:hover { opacity: 0.75; }
.marca a:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }

.marca span {
  display: block;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #a9b6ce;
  margin-top: 3px;
}

.topo .acoes { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.link-topo {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #c3cde0;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 7px 12px;
  border-radius: 999px;
}
.link-topo:hover { color: #fff; border-color: #fff; }

/* ---------- Conteúdo ---------- */
.pagina { max-width: 1140px; margin: 0 auto; padding: 26px 20px 80px; }

.trilha {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--tinta-2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  min-height: 24px;
}

.trilha button {
  font: inherit;
  background: none;
  border: none;
  border-bottom: 1px dotted var(--tinta-2);
  color: var(--tinta-2);
  cursor: pointer;
  padding: 0 0 1px;
}
.trilha button:hover { color: var(--destaque); border-color: var(--destaque); }
.trilha .atual { color: var(--tinta); font-weight: 600; }

.titulo-passo {
  font-family: var(--display);
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 6px;
}

.apoio { color: var(--tinta-2); margin: 0 0 22px; max-width: 58ch; }

/* ---------- Bento Grid ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.cartao {
  grid-column: span var(--span, 2);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 132px;
  padding: 18px 18px 18px 24px;
  text-align: left;
  font: inherit;
  color: var(--tinta);
  background: var(--papel-forte);
  border: 1px solid var(--linha);
  border-radius: var(--r);
  box-shadow: var(--sombra);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  animation: entrar 0.4s ease both;
  animation-delay: calc(var(--i, 0) * 45ms);
}

/* a "aba" colorida do fichário */
.cartao::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  background: linear-gradient(180deg, var(--cor-1), var(--cor-2));
}

.cartao::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--cor-1);
  opacity: 0;
  transition: opacity 0.18s ease;
  pointer-events: none;
}

.cartao:hover, .cartao:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cor-2);
  box-shadow: 0 1px 0 rgba(20, 30, 51, 0.06), 0 18px 30px -18px rgba(20, 30, 51, 0.55);
}
.cartao:hover::after { opacity: 0.05; }
.cartao:focus-visible { outline: 3px solid var(--destaque); outline-offset: 3px; }

.cartao .etiqueta {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cor-2);
  font-weight: 600;
}

.cartao .nome {
  font-family: var(--display);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
}

.cartao .detalhe {
  font-size: 0.82rem;
  color: var(--tinta-2);
  margin: auto 0 0;
}

@keyframes entrar {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Lista de aulas ---------- */
.aulas { display: grid; gap: 12px; }

.aula {
  position: relative;
  background: var(--papel-forte);
  border: 1px solid var(--linha);
  border-left: 8px solid var(--cor-1, var(--destaque));
  border-radius: var(--r);
  padding: 16px 18px;
  box-shadow: var(--sombra);
}

.aula-topo {
  display: flex;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.aula h3 {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

.selo {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-weight: 600;
}
.selo.presencial { color: var(--destaque); }
.selo.assincrono { color: var(--ok); }

.data-aula {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--tinta-2);
}

.botoes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.btn {
  font-family: var(--corpo);
  font-size: 0.86rem;
  font-weight: 600;
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid var(--tinta);
  background: var(--tinta);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible { outline: 3px solid var(--destaque); outline-offset: 2px; }

.btn.secundario { background: transparent; color: var(--tinta); border-color: var(--linha); }
.btn.secundario:hover { border-color: var(--tinta); }
.btn.perigo { background: transparent; color: var(--erro); border-color: #e9c3c0; }

/* Carimbo de secretaria: elemento-assinatura da interface */
.carimbo {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--espera);
  padding: 8px 14px;
  border: 2px solid var(--espera);
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgba(140, 100, 16, 0.35);
  transform: rotate(-1.6deg);
  opacity: 0.9;
}
.carimbo small { display: block; font-size: 0.62rem; letter-spacing: 0.16em; opacity: 0.75; }

.carimbo.encerrado {
  color: var(--erro);
  border-color: var(--erro);
  box-shadow: inset 0 0 0 1px rgba(179, 38, 30, 0.35);
  transform: rotate(1.2deg);
}

.prazo {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--espera);
  margin: 10px 0 0;
}

/* ---------- Modais ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(20, 30, 51, 0.55);
  backdrop-filter: blur(3px);
}
.modal.aberto { display: flex; }

.modal-caixa {
  background: var(--papel-forte);
  border-radius: 18px;
  width: min(520px, 100%);
  padding: 24px;
  box-shadow: 0 30px 60px -20px rgba(20, 30, 51, 0.6);
  animation: entrar 0.22s ease both;
}
.modal-caixa.largo { width: min(880px, 100%); }

.modal-caixa h2 {
  font-family: var(--display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 0 0 4px;
}

.modal-caixa p.apoio { margin-bottom: 16px; }

.video-moldura {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
}
.video-moldura iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- Formulários ---------- */
label {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tinta-2);
  margin: 0 0 6px;
  font-weight: 500;
}

input, select, textarea {
  width: 100%;
  font-family: var(--corpo);
  font-size: 0.95rem;
  color: var(--tinta);
  background: var(--papel-forte);
  border: 1px solid var(--linha);
  border-radius: 10px;
  padding: 11px 13px;
}
input:focus, select:focus, textarea:focus {
  outline: 3px solid rgba(107, 63, 212, 0.25);
  border-color: var(--destaque);
}

.campo { margin-bottom: 14px; }

.campo-senha { position: relative; }
.campo-senha input { padding-right: 52px; }
.campo-senha button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1.05rem;
  padding: 6px 8px;
  border-radius: 8px;
  color: var(--tinta-2);
}
.campo-senha button:hover { background: var(--papel); }

.aviso {
  font-family: var(--mono);
  font-size: 0.76rem;
  margin: 10px 0 0;
  min-height: 18px;
}
.aviso.erro { color: var(--erro); }
.aviso.ok { color: var(--ok); }

.linha-botoes { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }

/* Linhas de links extras no formulário de aula */
.link-linha {
  display: grid;
  grid-template-columns: 1fr 1.5fr auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}
.link-linha input { padding: 9px 11px; font-size: 0.9rem; }
.link-linha .remover {
  border: 1px solid var(--linha);
  background: transparent;
  color: var(--erro);
  border-radius: 9px;
  width: 38px;
  height: 38px;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}
.link-linha .remover:hover { border-color: var(--erro); }

/* ---------- Admin ---------- */
.abas { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }

.aba {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--linha);
  background: var(--papel-forte);
  color: var(--tinta-2);
  cursor: pointer;
  font-weight: 600;
}
.aba.ativa { background: var(--tinta); border-color: var(--tinta); color: #fff; }

.painel { display: grid; grid-template-columns: 360px 1fr; gap: 18px; align-items: start; }

.bloco {
  background: var(--papel-forte);
  border: 1px solid var(--linha);
  border-radius: var(--r);
  padding: 20px;
  box-shadow: var(--sombra);
}

.bloco h2 {
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.registro {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px dashed var(--linha);
  flex-wrap: wrap;
}
.registro:last-child { border-bottom: none; }
.registro strong { font-weight: 600; }
.registro .meta { font-family: var(--mono); font-size: 0.72rem; color: var(--tinta-2); display: block; margin-top: 3px; }
.registro .btn { padding: 6px 12px; font-size: 0.78rem; }

.vazio {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--tinta-2);
  padding: 18px 0;
}

.entrar-caixa { max-width: 400px; margin: 12vh auto; }

/* Senha revelada na listagem de disciplinas */
.senha-vista {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
  padding: 8px 10px;
  border: 1px dashed var(--espera);
  border-radius: 8px;
  background: rgba(140, 100, 16, 0.06);
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--tinta);
}
.senha-vista code {
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--tinta);
  user-select: all;
}
.senha-vista .rotulo-senha {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--espera);
  font-weight: 600;
}
.senha-vista .btn { padding: 4px 10px; font-size: 0.72rem; }

.oculto { display: none !important; }

/* ---------- Rodapé / canal de contato ---------- */
.rodape {
  max-width: 1140px;
  margin: 0 auto;
  padding: 26px 20px 46px;
  border-top: 1px solid var(--linha);
  display: flex;
  gap: 12px 22px;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
}
.rodape p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--tinta-2);
  max-width: 52ch;
}
.rodape a {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--destaque);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  word-break: break-all;
}
.rodape a:hover { color: var(--tinta); }

/* Link "avisar erro" dentro de cada aula */
.link-aviso {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--tinta-2);
  text-decoration: none;
  border-bottom: 1px dotted var(--tinta-2);
  align-self: center;
  margin-left: 4px;
}
.link-aviso:hover { color: var(--erro); border-color: var(--erro); }

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .painel { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .bento { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cartao { grid-column: span 2; min-height: 108px; }
  .pagina { padding: 20px 16px 70px; }
  .topo-conteudo { padding: 12px 16px; }
  .modal-caixa { padding: 20px; border-radius: 16px; }
  .btn { width: 100%; justify-content: center; }
  .registro .btn { width: auto; }
  .link-linha { grid-template-columns: 1fr auto; }
  .link-linha input:first-child { grid-column: 1 / -1; }
  .link-aviso { width: 100%; text-align: center; margin: 4px 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}