:root {
  --bg: #0a0e14; --painel: #111824; --borda: #1f2a3a; --texto: #e6edf6; --muted: #8a98ad;
  --signal: #1fd6a3; --acento: #4a9eff; --alerta: #f5b942; --perigo: #ff6b6b;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f3f6fa; --painel: #ffffff; --borda: #d9e1ec; --texto: #16202e; --muted: #5b6b82; --signal: #0a9d77; --acento: #2563c9; --alerta: #a86a00; --perigo: #c53030; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--texto); font: 15px/1.45 Inter, "Segoe UI", system-ui, sans-serif; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.erro { color: var(--perigo); min-height: 1.2em; margin: 8px 0 0; }
h1, h2, h3 { margin: 0 0 12px; letter-spacing: -.2px; }
h1 { font-size: 22px; } h2 { font-size: 17px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.card { background: var(--painel); border: 1px solid var(--borda); border-radius: 12px; padding: 18px; }
.login-card { width: 100%; max-width: 360px; display: grid; gap: 12px; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
input, select { background: var(--bg); color: var(--texto); border: 1px solid var(--borda); border-radius: 8px; padding: 9px 10px; font: inherit; min-width: 0; }
input:focus, select:focus { outline: 2px solid var(--acento); outline-offset: 1px; }

.btn { border: 1px solid var(--borda); background: var(--painel); color: var(--texto); border-radius: 8px; padding: 8px 14px; font: inherit; cursor: pointer; }
.btn:hover { border-color: var(--acento); }
.btn.primary { background: var(--signal); border-color: var(--signal); color: #06201a; font-weight: 600; }
.btn.perigo { color: var(--perigo); }
.btn.link { border: 0; background: none; color: var(--acento); padding: 0; }
.btn:disabled { opacity: .5; cursor: default; }

.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { background: var(--painel); border-right: 1px solid var(--borda); padding: 16px; display: flex; flex-direction: column; gap: 16px; position: sticky; top: 0; height: 100vh; }
.marca { font-weight: 700; font-size: 17px; } .marca small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
nav { display: grid; gap: 4px; }
nav a { color: var(--texto); text-decoration: none; padding: 8px 10px; border-radius: 8px; }
nav a.ativo, nav a:hover { background: var(--bg); color: var(--signal); }
.side-fim { margin-top: auto; display: grid; gap: 6px; font-size: 13px; word-break: break-all; }
.main { padding: 22px; min-width: 0; }

.topo { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.tabela-wrap { overflow-x: auto; border: 1px solid var(--borda); border-radius: 12px; background: var(--painel); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--borda); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; position: sticky; top: 0; background: var(--painel); }
tr:last-child td { border-bottom: 0; }
tr.clicavel { cursor: pointer; } tr.clicavel:hover { background: var(--bg); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--borda); }
.tag.ok { color: var(--signal); border-color: var(--signal); }
.tag.alerta { color: var(--alerta); border-color: var(--alerta); }
.tag.perigo { color: var(--perigo); border-color: var(--perigo); }
.grade { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-bottom: 14px; }
.form-linha { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-bottom: 12px; }
.form-linha label { flex: 1 1 160px; }
.abas { display: flex; gap: 6px; margin: 0 0 14px; flex-wrap: wrap; }
.aba { padding: 7px 14px; border-radius: 8px; border: 1px solid var(--borda); background: none; color: var(--texto); cursor: pointer; font: inherit; }
.aba.ativa { background: var(--signal); border-color: var(--signal); color: #06201a; font-weight: 600; }
.vazio { padding: 26px; text-align: center; color: var(--muted); }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: 13px; }

.aviso { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--painel); border: 1px solid var(--signal); border-radius: 10px; padding: 10px 16px; z-index: 10; max-width: 90vw; }
.aviso.erro-aviso { border-color: var(--perigo); }

@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; }
  nav { display: flex; flex-wrap: wrap; } .side-fim { margin: 0 0 0 auto; }
  .main { padding: 14px 12px; }
}