:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --ink: #1f2933;
  --muted: #7b8794;
  --primary: #2563eb;
  --ok: #16a34a;
  --bad: #dc2626;
  --warn: #d97706;
  --border: #e2e8f0;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--ink);
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; gap: 1.5rem;
  background: #0f172a; color: #fff; padding: .7rem 1.2rem;
}
.topbar .brand a { color: #fff; font-weight: 700; font-size: 1.1rem; }
.topbar nav { display: flex; gap: 1rem; flex: 1; }
.topbar nav a { color: #cbd5e1; }
.topbar nav a:hover { color: #fff; }
.rfc-selector { display: flex; align-items: center; gap: .6rem; position: relative; }
.rfc-activo {
  background: #1e293b; padding: .25rem .6rem; border-radius: 6px; font-weight: 600;
}
.rfc-list { display: flex; gap: .4rem; }
.rfc-list a { color: #94a3b8; font-size: .85rem; }
.rfc-list a.sel { color: #fff; text-decoration: underline; }
.logout { color: #fca5a5 !important; }

.container { max-width: 1080px; margin: 1.5rem auto; padding: 0 1rem; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; }
h2 small { color: var(--muted); font-weight: 400; font-size: .8rem; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.2rem; margin-bottom: 1.2rem;
}
.card.narrow { max-width: 380px; margin: 3rem auto; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.cards3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 1.2rem; }

.metric { display: flex; flex-direction: column; gap: .3rem; }
.metric-label { color: var(--muted); font-size: .85rem; }
.metric-value { font-size: 1.6rem; font-weight: 700; }
.pos { color: var(--ok); }
.neg { color: var(--bad); }
.muted { color: var(--muted); }

label { display: block; margin-bottom: .8rem; font-size: .9rem; }
input[type=text], input[type=email], input[type=password], input[type=number], select {
  width: 100%; padding: .5rem; border: 1px solid var(--border); border-radius: 6px;
  margin-top: .2rem; background: #fff;
}
.row { display: flex; gap: 1rem; align-items: flex-end; flex-wrap: wrap; }
.row label { flex: 1; min-width: 140px; margin-bottom: 0; }

.btn {
  display: inline-block; background: var(--primary); color: #fff; border: 0;
  padding: .55rem 1rem; border-radius: 6px; cursor: pointer; font-size: .9rem;
}
.btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn-sm { padding: .35rem .7rem; font-size: .8rem; }
.btn-ghost { background: #e2e8f0; color: var(--ink); }

.tabla { width: 100%; border-collapse: collapse; }
.tabla th, .tabla td { padding: .5rem .6rem; border-bottom: 1px solid var(--border); text-align: left; }
.tabla th.num, .tabla td.num { text-align: right; font-variant-numeric: tabular-nums; }
.tabla tfoot .total-row td { font-weight: 700; border-top: 2px solid var(--ink); }
.fila-cancelada { color: var(--muted); text-decoration: line-through; opacity: .7; }
.fila-excluida { background: #fff7ed; }

.badge {
  display: inline-block; padding: .1rem .5rem; border-radius: 999px;
  background: #e2e8f0; font-size: .75rem; font-weight: 600;
}
.badge-ok { background: #dcfce7; color: var(--ok); }
.badge-bad { background: #fee2e2; color: var(--bad); }
.badge-warn { background: #fef3c7; color: var(--warn); }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; gap: 1rem; }
.filtros { display: flex; gap: .4rem; flex-wrap: wrap; }
.chip { padding: .3rem .7rem; border: 1px solid var(--border); border-radius: 999px; font-size: .82rem; background: #fff; }
.chip.sel { background: var(--primary); color: #fff; border-color: var(--primary); }

.switch { display: flex; align-items: center; gap: .5rem; font-size: .9rem; }
.switch input { width: auto; }

.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.flash-info { background: #dbeafe; color: #1e40af; }
.flash-success { background: #dcfce7; color: #166534; }
.flash-warning { background: #fef3c7; color: #92400e; }
.flash-danger { background: #fee2e2; color: #991b1b; }

/* Impresion / PDF: ocultar navegacion y botones, dejar solo el contenido. */
@media print {
  .topbar, .toolbar form, .btn, .filtros, .flash { display: none !important; }
  body { background: #fff; }
  .card { border: 1px solid #ccc; break-inside: avoid; }
  a { color: #000; text-decoration: none; }
  .container { max-width: 100%; margin: 0; }
}