:root {
  --azul-escuro: #0A2E6E; --azul: #1F78DC; --azul-claro: #1FA2FF; --verde: #39E58C;
  --texto: #1B2433; --suave: #5A6578; --fundo: #F5F8FC; --cartao: #FFFFFF; --borda: #E1E7F0;
  --erro: #C0392B; --ok: #1E8E4E;
}
@media (prefers-color-scheme: dark) {
  :root { --texto: #E8EDF5; --suave: #9AA6B8; --fundo: #0B1220; --cartao: #131C2E; --borda: #22304A; --erro: #FF7A6B; --ok: #4ADE80; }
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; background: var(--fundo); color: var(--texto); line-height: 1.5; }
a { color: var(--azul-claro); }
header { background: linear-gradient(135deg, var(--azul-escuro), var(--azul-claro)); color: #fff; padding: 12px 16px; }
.topo { max-width: 1180px; margin: 0 auto; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.marca { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 18px; }
.marca img { width: 34px; height: 34px; }
nav { margin-left: auto; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
nav a, nav button.link { color: #fff; text-decoration: none; opacity: .92; font-size: 15px; }
nav form { margin: 0; }
button.link { background: none; border: 0; padding: 0; cursor: pointer; font: inherit; }
main { max-width: 1180px; margin: 24px auto; padding: 0 16px; }
h1 { font-size: 24px; margin: 8px 0 8px; }
h2 { font-size: 18px; margin: 20px 0 10px; }
.suave { color: var(--suave); font-size: 13px; }
.centro { text-align: center; padding: 24px; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.cartao { background: var(--cartao); border: 1px solid var(--borda); border-radius: 14px; padding: 20px; margin: 16px 0; box-shadow: 0 6px 20px rgba(10,46,110,.06); }
.estreito { max-width: 440px; margin: 40px auto; }
.tabela { padding: 0; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--borda); vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--suave); }
tr:last-child td { border-bottom: 0; }
label { display: block; font-size: 14px; margin-bottom: 12px; }
input, select { display: block; width: 100%; margin-top: 4px; padding: 9px 10px; border: 1px solid var(--borda); border-radius: 8px; background: var(--fundo); color: var(--texto); font: inherit; }
label.check { display: flex; gap: 8px; align-items: center; }
label.check input { width: auto; margin: 0; }
button, .botao { display: inline-block; background: var(--azul); color: #fff; border: 0; border-radius: 8px; padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
button.pequeno { padding: 6px 10px; font-size: 13px; }
button.secundario { background: var(--borda); color: var(--texto); }
.linha { display: flex; gap: 6px; align-items: center; margin: 2px 0; }
.linha input, .linha select { margin: 0; padding: 6px 8px; font-size: 13px; min-width: 120px; }
.acoes { min-width: 280px; }
.grade-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 16px; align-items: end; }
.grade-form button { margin-bottom: 12px; }
.status { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.status.on { background: var(--verde); box-shadow: 0 0 0 3px rgba(57,229,140,.25); }
.status.off { background: var(--borda); }
.erro { color: var(--erro); background: rgba(192,57,43,.08); padding: 8px 12px; border-radius: 8px; }
.ok { color: var(--ok); background: rgba(30,142,78,.08); padding: 8px 12px; border-radius: 8px; }
.erro-txt { color: var(--erro); }
footer { text-align: center; color: var(--suave); font-size: 13px; padding: 24px 16px 40px; }
@media (max-width: 640px) { nav { margin-left: 0; width: 100%; } }
.abas { display: flex; gap: 4px; border-bottom: 1px solid var(--borda); margin: 12px 0 16px; flex-wrap: wrap; }
.abas a { padding: 10px 14px; text-decoration: none; color: var(--suave); border-bottom: 3px solid transparent; font-weight: 600; }
.abas a.ativa { color: var(--texto); border-bottom-color: var(--azul); }
.abas a span { display: inline-block; min-width: 22px; text-align: center; font-size: 12px; background: var(--borda); color: var(--texto); border-radius: 99px; padding: 1px 7px; margin-left: 4px; }
.busca { display: flex; gap: 8px; align-items: center; max-width: 560px; margin-bottom: 8px; }
.busca input { margin: 0; }
form.inline { display: inline; margin: 0; }
.acoes-linha { white-space: nowrap; }
.acoes-linha .botao { margin-right: 6px; }