/* Barbarapp — front limpo e profissional.
   Paleta neutra clara + um único acento (roxo). Tipografia: Inter. */

:root {
  /* superfícies */
  --bg: #f6f7f9;
  --bg-elev: #ffffff;

  /* tinta */
  --ink: #1f2430;        /* títulos */
  --ink-2: #3d4354;      /* corpo */
  --muted: #6b7280;      /* secundário */
  --faint: #9aa0ac;      /* terciário / placeholders */

  /* traços */
  --line: #e6e8ec;
  --line-forte: #d7dae0;

  /* acento */
  --acento: #6d28d9;
  --acento-forte: #5b21b6;
  --acento-fraco: #f3effd;

  /* estados */
  --ok: #059669;
  --ok-fraco: #ecfdf5;
  --erro: #dc2626;
  --erro-fraco: #fef2f2;

  /* forma */
  --raio: 12px;
  --raio-sm: 9px;
  --sombra-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04);
  --sombra-md: 0 4px 14px rgba(16, 24, 40, .08), 0 2px 6px rgba(16, 24, 40, .04);
  --sombra-lg: 0 20px 55px rgba(16, 24, 40, .20);

  --fonte: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

/* o atributo hidden precisa vencer regras de display (grid/flex) do próprio elemento */
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--fonte);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:focus-visible {
  outline: 2px solid var(--acento);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ----------------------------------------------------------- cabeçalho / logo */
.topo {
  text-align: center;
  padding: 72px 20px 34px;
}

.marca {
  margin: 0;
  font-weight: 700;
  font-size: clamp(38px, 7vw, 58px);
  line-height: 1;
  letter-spacing: -.035em;
  color: var(--ink);
}

.marca .marca-a { color: var(--ink); }
.marca .marca-b { color: var(--acento); }

.lema {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* --------------------------------------------------------------- conteúdo */
.conteudo {
  max-width: 960px;
  margin: 0 auto;
  padding: 8px 20px 72px;
}

/* grade de módulos */
.grade {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(232px, 1fr));
  gap: 16px;
}

.modulo {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--raio);
  padding: 26px 20px 22px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: var(--sombra-sm);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.modulo.clicavel { cursor: pointer; }
.modulo.clicavel:hover {
  transform: translateY(-3px);
  border-color: var(--line-forte);
  box-shadow: var(--sombra-md);
}
.modulo.clicavel:active { transform: translateY(-1px); }

.modulo.futuro {
  border-style: dashed;
  background: transparent;
  box-shadow: none;
}

.modulo .icone {
  width: 52px;
  height: 52px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--acento-fraco);
}
.modulo .icone svg { width: 26px; height: 26px; }

/* nomes de classe herdados do app.js — reaproveitados como tons do acento */
.icone-rosa,
.icone-lilas { background: var(--acento-fraco); }
.icone-rosa svg,
.icone-lilas svg { stroke: var(--acento); }

.modulo.futuro .icone { background: #eef0f3; }
.modulo.futuro .icone svg { stroke: var(--faint); }

.modulo h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -.01em;
}
.modulo.futuro h3 { color: var(--muted); font-weight: 600; }

.modulo p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.badge {
  margin-top: 2px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--acento-forte);
  background: var(--acento-fraco);
  padding: 3px 9px;
  border-radius: 999px;
}

/* downloads recentes */
.recentes { margin-top: 44px; }
.recentes h2 {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
}

.lista-pdfs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.item-pdf {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--raio-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: space-between;
  flex-wrap: wrap;
  box-shadow: var(--sombra-sm);
}

.item-pdf .nome {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}
.item-pdf .meta { font-size: 12.5px; color: var(--muted); }

.item-pdf a {
  color: var(--acento);
  font-weight: 600;
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
}
.item-pdf a:hover { text-decoration: underline; }

.vazio {
  color: var(--muted);
  font-size: 13.5px;
  padding: 14px 16px;
  border: 1px dashed var(--line-forte);
  border-radius: var(--raio-sm);
}

/* ----------------------------------------------------------------- modal */
.modal-fundo {
  position: fixed;
  inset: 0;
  background: rgba(17, 20, 28, .48);
  backdrop-filter: blur(2px);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 20;
}

.modal {
  background: var(--bg-elev);
  border-radius: 16px;
  max-width: 540px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  padding: 28px 28px 24px;
  position: relative;
  box-shadow: var(--sombra-lg);
}

.modal h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -.01em;
}
.modal-sub {
  margin: 6px 0 22px;
  font-size: 13.5px;
  color: var(--muted);
}

.fechar {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  transition: background .12s ease, color .12s ease;
}
.fechar:hover { background: #f1f2f4; color: var(--ink); }

/* campos */
.campos { display: grid; gap: 16px; }

/* grupos condicionais do assistente (ENEM / Seriado UFMG) */
.grupo { display: grid; gap: 14px; }
.tipo-opcoes.tres { grid-template-columns: repeat(3, 1fr); }

/* só os rótulos diretos (os três selects); os campos dentro de .faixa têm layout próprio */
.campos > label,
.faixa-campos label {
  display: grid;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
}

.campo,
.campos select,
.campos input:not([type="checkbox"]) {
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  border: 1px solid var(--line-forte);
  border-radius: var(--raio-sm);
  padding: 10px 12px;
  background: var(--bg-elev);
  width: 100%;
  transition: border-color .12s ease, box-shadow .12s ease;
}
.campos select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.campos select:focus,
.campos input:not([type="checkbox"]):focus {
  outline: none;
  border-color: var(--acento);
  box-shadow: 0 0 0 3px var(--acento-fraco);
}
.campos input::placeholder { color: var(--faint); }

/* seletor de tipo (chips) */
.tipo-rotulo {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
}

.tipo-opcoes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

.chip {
  font: inherit;
  font-weight: 600;
  font-size: 13.5px;
  padding: 10px 12px;
  border-radius: var(--raio-sm);
  border: 1px solid var(--line-forte);
  background: var(--bg-elev);
  color: var(--ink-2);
  cursor: pointer;
  transition: all .12s ease;
}
.chip:hover { border-color: var(--acento); }
.chip.ativo {
  border-color: var(--acento);
  background: var(--acento-fraco);
  color: var(--acento-forte);
}

/* faixa de páginas da Química */
.faixa {
  background: #fafafb;
  border: 1px solid var(--line);
  border-radius: var(--raio-sm);
  padding: 14px;
}
.auto-linha {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-2);
  line-height: 1.45;
  cursor: pointer;
}
.auto-linha input {
  margin-top: 2px;
  width: auto;
  accent-color: var(--acento);
}
#faixa-manual { margin-top: 12px; }
.faixa-campos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 8px;
}
.dica {
  font-size: 12px;
  color: var(--muted);
  margin: 10px 0 0;
  line-height: 1.45;
}

/* aviso de erro */
.aviso {
  margin: 16px 0 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--erro);
  background: var(--erro-fraco);
  border: 1px solid #fecaca;
  border-radius: var(--raio-sm);
  padding: 10px 12px;
}

/* ações */
.acoes { margin-top: 22px; text-align: right; }

.primario {
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  color: #fff;
  background: var(--acento);
  border: 0;
  border-radius: var(--raio-sm);
  padding: 11px 24px;
  cursor: pointer;
  transition: background .12s ease, box-shadow .12s ease, opacity .12s ease;
  box-shadow: var(--sombra-sm);
}
.primario:hover { background: var(--acento-forte); }
.primario:disabled {
  opacity: .5;
  cursor: not-allowed;
  background: var(--acento);
}

/* painel de andamento */
.andamento {
  margin-top: 20px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.status-linha {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.status-chip {
  font-size: 12px;
  font-weight: 600;
  color: var(--acento-forte);
  background: var(--acento-fraco);
  padding: 4px 11px;
  border-radius: 999px;
}
.status-chip.erro { color: var(--erro); background: var(--erro-fraco); }
.status-chip.ok { color: var(--ok); background: var(--ok-fraco); }

.parar {
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--erro);
  background: var(--erro-fraco);
  border: 1px solid #fecaca;
  border-radius: 999px;
  padding: 4px 12px;
  cursor: pointer;
}
.parar:hover { background: #fee2e2; }

.log {
  background: #0f172a;
  color: #e2e8f0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  padding: 14px;
  border-radius: var(--raio-sm);
  max-height: 220px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
}

.pronto {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  font-weight: 600;
  font-size: 14px;
  color: var(--ok);
  flex-wrap: wrap;
}
.abrir-pdf {
  font: inherit;
  font-weight: 600;
  font-size: 13.5px;
  color: #fff;
  background: var(--ok);
  border-radius: var(--raio-sm);
  padding: 9px 16px;
  text-decoration: none;
}
.abrir-pdf:hover { background: #047857; }

/* --------------------------------------------------------------- responsivo */
@media (max-width: 560px) {
  .topo { padding: 52px 18px 28px; }
  .conteudo { padding: 8px 16px 56px; }
  .modal { padding: 24px 20px 20px; }
  .tipo-opcoes,
  .faixa-campos { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ------------------------------------------------- aviso de nova versão (PWA) */
.aviso-atualizacao {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100vw - 32px);
  padding: 10px 12px 10px 16px;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  box-shadow: var(--sombra-lg);
  font-size: 13.5px;
  font-weight: 500;
}
.aviso-atualizacao button {
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  border: 0;
  border-radius: 999px;
}
.aviso-atualizacao #btn-atualizar {
  background: var(--acento);
  color: #fff;
  padding: 6px 14px;
}
.aviso-atualizacao #btn-atualizar:hover { background: var(--acento-forte); }
.aviso-atualizacao #btn-depois {
  background: transparent;
  color: rgba(255, 255, 255, .7);
  padding: 6px 8px;
  line-height: 1;
}
.aviso-atualizacao #btn-depois:hover { color: #fff; }