:root {
  --bg: #0f172a;
  --surface: #111827;
  --campo: #0b1220;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --ok: #22c55e;
  --atencao: #eab308;
  --erro: #ef4444;
  --acao: #2563eb;
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 24px 20px 60px;
  line-height: 1.6;
}

.topo {
  max-width: 1000px;
  margin: 0 auto 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.topo h1 { font-size: 1.4rem; margin: 0; }

.abas { display: flex; gap: 4px; }
.abas button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.abas button.ativa { background: var(--surface); color: var(--text); border-color: var(--acao); }

section[id^="aba-"] { max-width: 1000px; margin: 0 auto; }

.card {
  max-width: 1000px;
  margin: 0 auto 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
}

h2, h3 { margin: 0; font-size: 1.05rem; }

.cabecalho-secao {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  margin: 20px 0 8px;
}
.cabecalho-secao:first-child { margin-top: 0; }

label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 4px; }

textarea, input, select {
  width: 100%;
  background: var(--campo);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
  font-size: .9rem;
}

textarea { resize: vertical; }
textarea:focus, input:focus, select:focus { outline: 2px solid var(--acao); outline-offset: -1px; }

button {
  background: var(--campo);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 14px;
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
}

button:hover { border-color: var(--muted); }
button.primario { background: var(--acao); border-color: var(--acao); color: #fff; }
button.secundario { color: var(--muted); }

.criterio {
  display: grid;
  grid-template-columns: 1fr 80px 44px auto;
  gap: 8px;
  align-items: start;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}
.criterio .descricao { grid-column: 1 / -1; }
.criterio .fatia { font-size: .8rem; text-align: right; padding-top: 8px; }
.criterio .remover { padding: 6px 10px; line-height: 1; }

.rodape {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.arquivo { width: auto; flex: 1; min-width: 180px; }

.linha-historico {
  padding: 8px 0;
  border-top: 1px solid var(--border);
  font-size: .88rem;
  color: var(--text);
}

.ok { color: var(--ok); }
.atencao { color: var(--atencao); }
.erro { color: var(--erro); }
.muted { color: var(--muted); font-size: .88rem; }

/* filtros */
.filtros {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px 12px;
  align-items: end;
}
.acoes-filtro { display: flex; gap: 8px; align-items: end; grid-column: span 2; }

/* tabela */
table { width: 100%; border-collapse: collapse; font-size: .88rem; margin-top: 12px; }
th, td { text-align: left; padding: 8px 6px; border-top: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: .8rem; }
tr.clicavel { cursor: pointer; }
tr.clicavel:hover td { background: var(--campo); }

/* barra de progresso do lote */
.barra { height: 6px; background: var(--campo); border-radius: 4px; margin: 6px 0; overflow: hidden; }
.barra span { display: block; height: 100%; background: var(--acao); }

/* dialog de detalhe */
dialog {
  width: min(700px, 92vw);
  max-height: 85vh;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog h2 { margin-bottom: 4px; }
dialog h3 { margin-top: 20px; margin-bottom: 8px; }
.nota-final { font-size: 1.1rem; font-weight: 600; }

.criterio-nota { padding: 10px 0; border-top: 1px solid var(--border); }
.criterio-nota .nota { float: right; font-weight: 700; }
.criterio-nota p { margin: 4px 0; font-size: .9rem; }
.criterio-nota blockquote {
  margin: 4px 0 0;
  padding: 6px 10px;
  border-left: 3px solid var(--border);
  color: var(--muted);
  font-size: .85rem;
  font-style: italic;
}

.conversa { display: flex; flex-direction: column; gap: 6px; }
.msg { padding: 6px 10px; border-radius: 8px; font-size: .88rem; background: var(--campo); max-width: 85%; }
.msg.atendente { align-self: flex-end; background: #1e3a8a33; }
.msg.cliente { align-self: flex-start; }
.msg .muted { display: block; font-size: .72rem; margin-bottom: 2px; }

.login {
  max-width: 340px;
  margin: 15vh auto 0;
  text-align: center;
}
.login h1 { font-size: 1.2rem; }
.login .rodape { justify-content: center; border-top: none; padding-top: 12px; margin-top: 12px; }

@media (max-width: 560px) {
  .criterio { grid-template-columns: 1fr 70px 40px auto; }
  .acoes-filtro { grid-column: 1 / -1; }
}