:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --txt: #0f172a;
  --sub: #64748b;
  --borda: #e2e8f0;
  --primaria: #2563eb;
  --primaria-txt: #ffffff;
  --sel: #eff6ff;
  --perigo: #dc2626;
  --ok: #16a34a;
  --alerta: #d97706;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --card: #111827;
    --txt: #e5e7eb;
    --sub: #94a3b8;
    --borda: #1f2937;
    --primaria: #3b82f6;
    --sel: #172554;
  }
  .leaflet-tile-pane { filter: brightness(.75) contrast(1.1) saturate(.8); }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--txt); font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
button, .botao, input, select { font: inherit; }
button, .botao {
  border: 0; border-radius: 10px; padding: 10px 12px; cursor: pointer;
  background: var(--primaria); color: var(--primaria-txt); text-decoration: none; text-align: center;
}
button.secundario, .botao.secundario { background: var(--bg); color: var(--txt); border: 1px solid var(--borda); }
button.perigo { background: transparent; color: var(--perigo); border: 1px solid var(--perigo); }
button.link { background: none; color: var(--sub); padding: 4px 8px; }
button:disabled { opacity: .6; cursor: default; }

.login { min-height: 100%; display: grid; place-items: center; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--borda); border-radius: 16px; padding: 28px; width: min(360px, 100%); display: grid; gap: 12px; text-align: center; }
.card img { margin: 0 auto; }
.card h1 { margin: 0; font-size: 22px; }
.card p { margin: 0; color: var(--sub); }
.card input { padding: 12px; border-radius: 10px; border: 1px solid var(--borda); background: var(--bg); color: var(--txt); }
.erro { color: var(--perigo) !important; min-height: 1.4em; }

.app { display: grid; grid-template-columns: 340px 1fr; height: 100%; }
.painel { background: var(--card); border-right: 1px solid var(--borda); display: flex; flex-direction: column; overflow: auto; }
.painel header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--borda); }
.painel h1 { font-size: 18px; margin: 0; display: flex; gap: 8px; align-items: center; }
#mapa { height: 100%; }

.lista { list-style: none; margin: 0; padding: 8px; display: grid; gap: 4px; }
.lista li { padding: 12px; border-radius: 12px; cursor: pointer; display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; align-items: center; }
.lista li:hover { background: var(--bg); }
.lista li.sel { background: var(--sel); }
.bolinha { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 700; grid-row: span 2; }
.nome { font-weight: 600; }
.info { color: var(--sub); font-size: 13px; }
.online { color: var(--ok); }
.offline { color: var(--alerta); }
.vazio { color: var(--sub); padding: 16px; margin: 0; }

.detalhe { padding: 8px 16px 16px; border-top: 1px solid var(--borda); display: grid; gap: 10px; }
.acoes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.acoes > :first-child:nth-last-child(3) { grid-column: span 2; }
.historico { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--sub); }
.historico select { padding: 8px; border-radius: 8px; border: 1px solid var(--borda); background: var(--bg); color: var(--txt); }
.msg { margin: 0; color: var(--sub); font-size: 13px; min-height: 1.2em; }

.areas { padding: 8px 16px 16px; border-top: 1px solid var(--borda); }
.areas-cab { display: flex; align-items: center; justify-content: space-between; }
.areas h2 { font-size: 15px; margin: 8px 0; }
.lista-areas { list-style: none; margin: 0 0 8px; padding: 0; display: grid; gap: 4px; }
.lista-areas li { display: flex; align-items: center; gap: 8px; font-size: 14px; padding: 6px 8px; border-radius: 8px; }
.lista-areas li:hover { background: var(--bg); }
.lista-areas .pin { width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--primaria); flex: none; }
.lista-areas .an { flex: 1; cursor: pointer; }
.lista-areas .ar { color: var(--sub); font-size: 12px; }
.lista-areas button { background: none; color: var(--perigo); padding: 2px 6px; }
.notif-off { width: 100%; margin-bottom: 8px; }
.eventos { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; max-height: 180px; overflow: auto; }
.eventos li { font-size: 13px; color: var(--sub); padding: 4px 8px; border-left: 3px solid var(--borda); }
.eventos li.entrou { border-color: var(--ok); }
.eventos li.saiu { border-color: var(--alerta); }
.eventos b { color: var(--txt); }

.marcador { width: 34px; height: 34px; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 2px 8px rgba(0,0,0,.35); display: grid; place-items: center; color: #fff; font: 700 14px system-ui; }
.marcador.velho { opacity: .6; }

@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; grid-template-rows: 55% 45%; }
  .painel { order: 2; border-right: 0; border-top: 1px solid var(--borda); }
  #mapa { order: 1; }
}