:root {
  --bg: #f4f5f7; --card: #fff; --text: #1f2933; --muted: #6b7280;
  --border: #d9dde3; --primary: #2563eb; --primary-hover: #1d4ed8;
  --danger: #dc2626; --ok: #15803d;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
main { max-width: 1000px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { margin: 0 0 20px; font-size: 1.6rem; }
h2 { margin: 0 0 16px; font-size: 1.1rem; }
h3 { margin: 20px 0 10px; font-size: .95rem; }
.menu { display: flex; gap: 6px; margin-bottom: 20px; }
.menu a { padding: 8px 16px; border-radius: 6px; text-decoration: none; color: var(--text); border: 1px solid var(--border); background: #fff; }
.menu a.ativo { background: var(--primary); border-color: var(--primary); color: #fff; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; }
.full { grid-column: 1 / -1; }
label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 4px; }
input, select { width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 6px; font: inherit; color: inherit; background: #fff; }
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
button { padding: 9px 16px; border: 1px solid transparent; border-radius: 6px; font: inherit; cursor: pointer; }
.primary { background: var(--primary); color: #fff; }
.primary:hover { background: var(--primary-hover); }
.secondary { background: #fff; border-color: var(--border); color: var(--text); }
.danger { background: #fff; border-color: var(--danger); color: var(--danger); }
.small { padding: 5px 10px; font-size: .85rem; }
.acoes { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.barra { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.barra h2 { margin: 0; }
.barra input { max-width: 300px; }
.filtros { display: flex; gap: 8px; flex-wrap: wrap; }
.filtros select { width: auto; }
.tabela { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .93rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td.botoes { text-align: right; }
td.botoes button + button { margin-left: 6px; }
.direita { text-align: right; }
.vazio { text-align: center; color: var(--muted); padding: 28px 8px; }
.itens td { padding: 6px 8px 6px 0; }
.itens input { min-width: 90px; }
.itens td:first-child input { min-width: 200px; }
.itens tfoot td { border-bottom: 0; font-weight: 600; padding-top: 12px; }
.status { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; border: 1px solid; }
.status.aberto { color: #92400e; border-color: #f59e0b; background: #fffbeb; }
.status.pago { color: var(--ok); border-color: #22c55e; background: #f0fdf4; }
.status.cancelado { color: var(--muted); border-color: var(--border); background: #f9fafb; }
#mensagem { min-height: 1.3em; margin: 12px 0 0; font-size: .9rem; }
#mensagem.erro { color: var(--danger); }
#mensagem.ok { color: var(--ok); }