:root {
  --fundo: #f4f6f9;
  --cartao: #ffffff;
  --texto: #0b0b0b;
  --texto-2: #52514e;
  --borda: #dde2e9;
  --grade: #eceef2;
  --primaria: #1b5fb8;
  --serie: #2a78d6;
  --ok: #1a7f37; --ok-f: #dcf5e3;
  --alerta: #8a5a00; --alerta-f: #fff1cf;
  --perigo: #b42318; --perigo-f: #fde3e3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #111214; --cartao: #1a1a19; --texto: #f0efec; --texto-2: #c3c2b7; --borda: #2e2f33; --grade: #26272b;
    --primaria: #3987e5; --serie: #3987e5;
    --ok: #4ac26b; --ok-f: #133222; --alerta: #e3b341; --alerta-f: #3a2e10; --perigo: #ff7b72; --perigo-f: #3d1717;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--fundo); color: var(--texto); font: 15px/1.45 system-ui, "Segoe UI", sans-serif; }
h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 16px; margin: 0 0 10px; }
button, input, select, textarea { font: inherit; color: inherit; }
button { border: 0; border-radius: 8px; padding: 8px 14px; cursor: pointer; }
input, select, textarea { padding: 8px 10px; border: 1px solid var(--borda); border-radius: 8px; background: var(--cartao); min-width: 0; }
.primario { background: var(--primaria); color: #fff; }
.secundario { background: transparent; border: 1px solid var(--borda); }
.perigo { background: var(--perigo); color: #fff; }
.link { background: none; color: var(--primaria); padding: 0; text-decoration: underline; }
.dica { color: var(--texto-2); font-size: 13px; }
.erro { color: var(--perigo); min-height: 1.3em; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.entrar { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.entrar-cartao { width: min(400px, 100%); display: flex; flex-direction: column; gap: 12px; }
.entrar-cartao label { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.qr { background: #fff; padding: 8px; border-radius: 8px; width: 220px; max-width: 100%; margin: 0 auto; }
.qr svg { width: 100%; height: auto; display: block; }
code { overflow-wrap: anywhere; }

header { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--cartao); border-bottom: 1px solid var(--borda); position: sticky; top: 0; z-index: 2; }
.espaco { flex: 1; }
nav { display: flex; gap: 2px; padding: 0 12px; background: var(--cartao); border-bottom: 1px solid var(--borda); overflow-x: auto; }
nav button { background: none; border-radius: 0; color: var(--texto-2); border-bottom: 2px solid transparent; white-space: nowrap; padding: 10px 12px; }
nav button.ativa { color: var(--texto); border-bottom-color: var(--primaria); font-weight: 600; }
.contador { background: var(--perigo); color: #fff; border-radius: 999px; padding: 0 7px; font-size: 12px; }
main { padding: 16px; max-width: 1280px; margin: 0 auto; }
main > section { display: flex; flex-direction: column; gap: 14px; }

.grade { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 12px; }
.grade.estreita { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.cartao { background: var(--cartao); border: 1px solid var(--borda); border-radius: 12px; padding: 14px 16px; min-width: 0; }
.selo { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--grade); color: var(--texto-2); white-space: nowrap; }
.selo.ok { background: var(--ok-f); color: var(--ok); }
.selo.alerta { background: var(--alerta-f); color: var(--alerta); }
.selo.perigo { background: var(--perigo-f); color: var(--perigo); }

.estacao h3 { margin: 0; font-size: 17px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.estacao .foto { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 8px; background: #000; margin: 10px 0; display: block; }
.estacao dl, dl.detalhe { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 8px 0 0; }
dt { color: var(--texto-2); }
dd { margin: 0; overflow-wrap: anywhere; }
.chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }

.lista > .item { display: flex; gap: 10px; justify-content: space-between; align-items: center; flex-wrap: wrap; padding: 10px 0; border-top: 1px solid var(--borda); }
.lista > .item:first-child { border-top: 0; }
.vazio { color: var(--texto-2); }
.acoes { display: flex; gap: 8px; flex-wrap: wrap; }

.filtros { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.check { display: flex; gap: 6px; align-items: center; color: var(--texto-2); }
.tabela-rolagem { overflow-x: auto; background: var(--cartao); border: 1px solid var(--borda); border-radius: 12px; }
.cartao .tabela-rolagem { border: 0; }
.tabela { width: 100%; border-collapse: collapse; }
.tabela th, .tabela td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--borda); white-space: nowrap; }
.tabela th { color: var(--texto-2); font-weight: 500; font-size: 13px; }
.tabela th.num, .tabela td.num { text-align: right; }
#lista-pesagens tr { cursor: pointer; }
#lista-pesagens tr:hover { background: var(--fundo); }

.kpi .rotulo { color: var(--texto-2); font-size: 13px; }
.kpi .valor { font-size: 28px; font-weight: 650; font-variant-numeric: tabular-nums; }

.grafico { width: 100%; overflow: hidden; }
.grafico svg { width: 100%; height: 240px; display: block; }
.grafico .barra { fill: var(--serie); }
.grafico .barra:hover, .grafico .alvo:hover + .barra { opacity: 0.85; }
.grafico .linha-grade { stroke: var(--grade); stroke-width: 1; }
.grafico text { fill: var(--texto-2); font-size: 11px; }
.tooltip { position: fixed; z-index: 10; pointer-events: none; background: var(--cartao); color: var(--texto); border: 1px solid var(--borda); border-radius: 8px; padding: 6px 10px; font-size: 13px; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15); }

.formulario { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; margin-top: 12px; align-items: end; }
.formulario label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--texto-2); }
.formulario .largo { grid-column: 1 / -1; }

dialog { border: 1px solid var(--borda); border-radius: 12px; background: var(--cartao); color: var(--texto); width: min(820px, calc(100vw - 24px)); max-height: 92vh; padding: 16px; }
dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
#dialogo-corpo { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
#dialogo-corpo label { display: flex; flex-direction: column; gap: 4px; }
.fotos { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; }
.fotos figure { margin: 0; }
.fotos img { width: 100%; border-radius: 8px; display: block; background: #000; aspect-ratio: 16/9; object-fit: cover; }
.fotos figcaption { font-size: 12px; color: var(--texto-2); overflow-wrap: anywhere; }
.linha-tempo { font-size: 13px; max-height: 240px; overflow: auto; border: 1px solid var(--borda); border-radius: 8px; padding: 6px 10px; }
.linha-tempo div { padding: 3px 0; border-bottom: 1px dashed var(--borda); }

@media (max-width: 600px) {
  main { padding: 12px; }
  header { padding: 10px 12px; }
  #sincronia { display: none; }
}