:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --texto: #1d2733;
  --muted: #6b7785;
  --borda: #e2e7ec;
  --primaria: #0f8b8d;
  --primaria-escura: #0b6b6d;
  --alerta: #d1495b;
  --ok: #2a9d5c;
  --aviso: #e09f3e;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12171d;
    --card: #1b232c;
    --texto: #e6ebf0;
    --muted: #93a1b0;
    --borda: #2a3541;
    --primaria: #33b5b7;
    --primaria-escura: #23999b;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--texto);
  line-height: 1.45;
}
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0 0 .6rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1rem; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); }
.erro { color: var(--alerta); margin: .5rem 0 0; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  background: var(--card); border: 1px solid var(--borda); border-radius: 14px;
  padding: 2rem; width: 100%; max-width: 360px; display: grid; gap: .9rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}
.login-card h1 { margin: 0; color: var(--primaria); }
.login-card p { margin: 0; }
label { display: grid; gap: .3rem; font-size: .9rem; color: var(--muted); }
input, select {
  font: inherit; padding: .65rem .75rem; border-radius: 8px;
  border: 1px solid var(--borda); background: var(--bg); color: var(--texto);
}
button {
  font: inherit; cursor: pointer; border: 0; border-radius: 8px;
  padding: .7rem 1rem; background: var(--primaria); color: #fff; font-weight: 600;
}
button:hover { background: var(--primaria-escura); }

/* Topo */
.topo {
  position: sticky; top: 0; z-index: 10; background: var(--card);
  border-bottom: 1px solid var(--borda); display: flex; align-items: center;
  gap: 1rem; padding: .6rem 16px; flex-wrap: wrap;
}
.marca { font-weight: 700; color: var(--primaria); }
#abas { display: flex; gap: .25rem; flex: 1; overflow-x: auto; }
#abas button {
  background: transparent; color: var(--muted); padding: .5rem .8rem; white-space: nowrap;
}
#abas button.ativa { background: var(--bg); color: var(--primaria); }
.sair { background: transparent; color: var(--muted); border: 1px solid var(--borda); padding: .45rem .8rem; }
.sair:hover { background: var(--bg); }

main { max-width: 1200px; margin: 0 auto; padding: 1.5rem 16px 3rem; }
.aba { display: none; }
.aba.ativa { display: block; }

.card {
  background: var(--card); border: 1px solid var(--borda); border-radius: 12px;
  padding: 1rem 1.1rem; margin-bottom: 1rem; min-width: 0;
}
.grade-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }
.grade-2 .card { margin-bottom: 0; }
.grade-2 + .card { margin-top: 1rem; }
.grafico { position: relative; height: 260px; }
.grafico.alto { height: 380px; }
.vazio {
  height: 100%; display: grid; place-items: center; color: var(--muted);
  font-size: .9rem; text-align: center; border: 1px dashed var(--borda); border-radius: 8px;
}

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .8rem; margin-bottom: 1rem; }
.kpi { background: var(--card); border: 1px solid var(--borda); border-radius: 12px; padding: .9rem 1rem; }
.kpi .rotulo { font-size: .8rem; color: var(--muted); }
.kpi .valor { font-size: 1.6rem; font-weight: 700; }
.kpi .valor small { font-size: .85rem; font-weight: 500; color: var(--muted); }
.kpi .delta { font-size: .8rem; }
.delta.sobe { color: var(--aviso); }
.delta.desce { color: var(--ok); }

/* Tabelas */
.tabela-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: .5rem .6rem; border-bottom: 1px solid var(--borda); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.tag { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .75rem; font-weight: 600; }
.tag.ok { background: rgba(42,157,92,.15); color: var(--ok); }
.tag.alto, .tag.baixo { background: rgba(209,73,91,.15); color: var(--alerta); }
a { color: var(--primaria); }

.filtro { margin-bottom: 1rem; max-width: 320px; }

/* Galeria */
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: .8rem; }
.foto { background: var(--card); border: 1px solid var(--borda); border-radius: 12px; overflow: hidden; cursor: zoom-in; }
.foto img { width: 100%; aspect-ratio: 3/4; object-fit: cover; display: block; background: var(--bg); }
.foto div { padding: .5rem .7rem; font-size: .85rem; }
.lightbox {
  position: fixed; inset: 0; background: rgba(0,0,0,.85); display: grid; place-items: center;
  z-index: 50; padding: 16px; cursor: zoom-out; text-align: center;
}
.lightbox img { max-width: 100%; max-height: 85vh; border-radius: 8px; }
.lightbox p { color: #fff; }

@media (max-width: 600px) {
  .topo { gap: .5rem; }
  #abas { order: 3; flex-basis: 100%; }
  .marca { flex: 1; }
  .grade-2 { grid-template-columns: 1fr; }
}