:root {
  --azul: #04275f;
  --azul-2: #0a3a85;
  --turquesa: #02bfae;
  --turquesa-escuro: #019a8c;
  --fundo: #f3f6fa;
  --card: #ffffff;
  --texto: #1b2433;
  --suave: #667085;
  --borda: #dfe5ee;
  --erro: #c0392b;
  --ok: #1e8e5a;
  --raio: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font-family: 'Montserrat', system-ui, sans-serif; background: var(--fundo); color: var(--texto); font-size: 15px; line-height: 1.45; }
.hidden { display: none !important; }
h1 { font-size: 1.5rem; margin: 0 0 4px; color: var(--azul); font-weight: 800; }
h2 { font-size: 1.1rem; margin: 0 0 12px; color: var(--azul); }
a { color: var(--azul-2); }

/* Logo em texto (substitua por <img src="/logo.png"> se preferir a imagem original) */
.logo { display: inline-block; font-weight: 800; letter-spacing: -0.5px; line-height: 1; font-size: 1.7rem; }
.logo .gesta { color: var(--azul); }
.logo .frota { color: var(--turquesa); }
.logo small { display: block; text-align: center; font-size: .42em; letter-spacing: .35em; font-weight: 700; color: var(--azul); margin-top: 6px; }
.logo-grande { font-size: 2.6rem; margin-bottom: 18px; }
.lateral .logo .gesta { color: #fff; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { background: var(--card); padding: 32px; border-radius: 16px; width: 100%; max-width: 380px; box-shadow: 0 10px 40px rgba(4,39,95,.12); text-align: center; display: grid; gap: 14px; }
.login-card label { text-align: left; }

/* Estrutura */
.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.lateral { background: var(--azul); padding: 24px 18px; display: flex; flex-direction: column; gap: 28px; position: sticky; top: 0; height: 100vh; }
.lateral nav { display: grid; gap: 4px; }
.lateral nav a { color: #cfdcf3; text-decoration: none; padding: 10px 12px; border-radius: 8px; font-weight: 600; font-size: .92rem; }
.lateral nav a:hover { background: rgba(255,255,255,.08); }
.lateral nav a.ativo { background: var(--turquesa); color: #04275f; }
.sair { margin-top: auto; background: transparent; color: #cfdcf3; border: 1px solid rgba(255,255,255,.25); }
.conteudo { padding: 28px; max-width: 1100px; width: 100%; }

/* Componentes */
.topo { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.sub { color: var(--suave); margin: 0; }
.card { background: var(--card); border: 1px solid var(--borda); border-radius: var(--raio); padding: 18px; margin-bottom: 16px; }
.grid { display: grid; gap: 14px; }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c4 { grid-template-columns: repeat(4, 1fr); }
.metrica { background: var(--card); border: 1px solid var(--borda); border-radius: var(--raio); padding: 16px; }
.metrica b { display: block; font-size: 1.7rem; color: var(--azul); font-weight: 800; }
.metrica span { color: var(--suave); font-size: .85rem; }

label { display: grid; gap: 5px; font-weight: 600; font-size: .85rem; color: var(--azul); }
input, select, textarea { font: inherit; padding: 10px 12px; border: 1px solid var(--borda); border-radius: 8px; background: #fff; color: var(--texto); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--turquesa); border-color: var(--turquesa); }
textarea { min-height: 80px; resize: vertical; }

.btn { font: inherit; font-weight: 700; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--borda); background: #fff; color: var(--azul); cursor: pointer; text-decoration: none; display: inline-block; }
.btn:hover { border-color: var(--azul-2); }
.btn.primario { background: var(--turquesa); border-color: var(--turquesa); color: #04275f; }
.btn.primario:hover { background: var(--turquesa-escuro); }
.btn.perigo { color: var(--erro); }
.btn.mini { padding: 5px 10px; font-size: .8rem; }
.acoes { display: flex; gap: 8px; flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--borda); font-size: .9rem; vertical-align: top; }
th { color: var(--suave); font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; }
tr.linha:hover { background: #f8fafd; cursor: pointer; }
.tabela-wrap { overflow-x: auto; }

.selo { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .75rem; font-weight: 700; background: #e8eef8; color: var(--azul); }
.selo.alugado { background: #d9f6f2; color: #017a6e; }
.selo.manutencao { background: #fff1d6; color: #9a6400; }
.selo.inativo { background: #eee; color: #666; }
.selo.disponivel { background: #e2ecff; color: var(--azul-2); }

/* Marcadores sim/não (interruptores) */
.marcadores { display: grid; gap: 10px; }
.marcador { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border: 1px solid var(--borda); border-radius: 8px; font-weight: 600; color: var(--texto); cursor: pointer; user-select: none; }
.marcador input { display: none; }
.interruptor { position: relative; width: 74px; height: 30px; border-radius: 999px; background: #c9d2e0; transition: background .15s; flex: none; }
.interruptor::before { content: 'NÃO'; position: absolute; right: 10px; top: 6px; font-size: .68rem; font-weight: 800; color: #fff; }
.interruptor::after { content: ''; position: absolute; left: 3px; top: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff; transition: transform .15s; }
.marcador input:checked + .interruptor { background: var(--turquesa); }
.marcador input:checked + .interruptor::before { content: 'SIM'; right: auto; left: 11px; }
.marcador input:checked + .interruptor::after { transform: translateX(44px); }

/* Controle segmentado bruto / líquido */
.segmentado { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--borda); border-radius: 8px; overflow: hidden; }
.segmentado label { margin: 0; cursor: pointer; }
.segmentado input { display: none; }
.segmentado span { display: block; text-align: center; padding: 10px; font-weight: 700; color: var(--suave); background: #fff; }
.segmentado input:checked + span { background: var(--azul); color: #fff; }

/* Histórico */
.item-hist { border-left: 3px solid var(--turquesa); padding: 8px 0 8px 14px; margin-bottom: 12px; }
.item-hist .meta { color: var(--suave); font-size: .8rem; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.item-hist h3 { margin: 2px 0; font-size: .98rem; color: var(--azul); }
.item-hist p { margin: 4px 0; white-space: pre-wrap; }

.erro-msg { color: var(--erro); margin: 0; min-height: 1.2em; font-size: .88rem; }
.aviso { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--azul); color: #fff; padding: 12px 20px; border-radius: 10px; font-weight: 600; z-index: 10; box-shadow: 0 8px 30px rgba(0,0,0,.25); }
.aviso.erro { background: var(--erro); }
.vazio { color: var(--suave); text-align: center; padding: 24px; }

@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .lateral { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 12px; padding: 14px; }
  .lateral nav { grid-auto-flow: column; overflow-x: auto; width: 100%; order: 3; }
  .lateral nav a { white-space: nowrap; }
  .sair { margin-top: 0; margin-left: auto; }
  .conteudo { padding: 16px; }
  .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; }
}