:root {
  --ink: #132033;
  --brand: #1f4e79;
  --ocean: #0f766e;
  --bg: #f5f7fa;
  --line: #d9e2ec;
  --muted: #64748b;
  --danger: #dc2626;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: Arial, Helvetica, sans-serif; }
button, input, select { font: inherit; }

.app { min-height: 100vh; }
aside { position: fixed; inset: 0 auto 0 0; width: 280px; background: #fff; border-right: 1px solid var(--line); display: flex; flex-direction: column; z-index: 10; }
.brand { display: flex; gap: 12px; align-items: center; padding: 18px; }
.logo { width: 42px; height: 42px; border-radius: 8px; background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 800; }
.brand span, .role span { display: block; color: var(--muted); font-size: 12px; margin-top: 3px; }
nav { display: grid; gap: 4px; padding: 0 12px; }
nav button { height: 42px; border: 0; background: transparent; border-radius: 7px; text-align: left; padding: 0 12px; color: #475569; font-weight: 700; cursor: pointer; }
nav button.active, nav button:hover { background: var(--brand); color: #fff; }
.role { margin-top: auto; border-top: 1px solid var(--line); padding: 14px; color: var(--muted); font-size: 13px; }
.role a { color: var(--danger); display: inline-block; margin-top: 8px; font-weight: 700; text-decoration: none; }

.main { margin-left: 280px; }
header { position: sticky; top: 0; z-index: 5; display: flex; gap: 12px; align-items: center; background: #fff; border-bottom: 1px solid var(--line); padding: 12px 18px; }
header input { flex: 1; height: 42px; border: 1px solid var(--line); border-radius: 7px; background: #f8fafc; padding: 0 12px; }
main { padding: 20px; }
.mobile { display: none; }

h1 { margin: 0; font-size: 26px; }
h2 { margin: 0 0 12px; font-size: 18px; }
.sub { margin-top: 5px; color: var(--muted); font-size: 14px; }
.title { display: flex; justify-content: space-between; gap: 12px; align-items: end; margin-bottom: 16px; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 15px; }
.label { color: var(--muted); font-size: 13px; }
.value { margin-top: 8px; font-size: 24px; font-weight: 800; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.grid2 { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--line); border-radius: 999px; background: #fff; padding: 7px 10px; font-size: 13px; }
.tools { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.tools input, .tools select { height: 40px; border: 1px solid var(--line); border-radius: 6px; padding: 0 10px; background: #fff; }
.tools input { min-width: 280px; flex: 1; }

.tablewrap { overflow: auto; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; min-width: 1040px; border-collapse: collapse; }
th, td { padding: 10px 12px; border-bottom: 1px solid #edf2f7; text-align: left; white-space: nowrap; font-size: 14px; }
th { background: #f8fafc; color: #475569; text-transform: uppercase; font-size: 12px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.badge { display: inline-flex; border-radius: 999px; padding: 4px 9px; font-size: 12px; font-weight: 800; }
.pendiente, .listo { background: #fff7ed; color: #c2410c; }
.activo, .pagado, .emitido { background: #ecfdf5; color: #047857; }
.vencido, .anulado { background: #fef2f2; color: #b91c1c; }

.btn { height: 38px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); font-weight: 800; padding: 0 12px; cursor: pointer; }
.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.danger { background: var(--danger); border-color: var(--danger); color: #fff; }

.modal { display: none; position: fixed; inset: 0; z-index: 40; background: rgba(15,23,42,.45); place-items: center; padding: 16px; }
.modal.open { display: grid; }
.dialog { width: min(760px, 100%); background: #fff; border-radius: 9px; max-height: 90vh; overflow: auto; }
.dialog-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); padding: 14px 16px; }
.dialog-body { padding: 16px; }
.formgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
label { display: grid; gap: 5px; font-size: 13px; font-weight: 700; }
label input, label select, label textarea { min-height: 40px; border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; }
.login-screen { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(420px, 100%); background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 24px; display: grid; gap: 14px; }
.login-card button { height: 44px; border: 0; border-radius: 7px; background: var(--brand); color: #fff; font-weight: 800; }
.alert { background: #fef2f2; color: #b91c1c; border-radius: 6px; padding: 10px; }

@media print {
  aside, header, .title, .tools, .btn { display: none !important; }
  .main { margin: 0; }
  body { background: #fff; }
}

@media (max-width: 860px) {
  aside { transform: translateX(-100%); transition: .2s; }
  aside.open { transform: none; }
  .main { margin-left: 0; }
  .mobile { display: inline-flex; }
  .cards, .grid2 { grid-template-columns: 1fr; }
  .title { display: block; }
  main { padding: 14px; }
  h1 { font-size: 22px; }
  .formgrid { grid-template-columns: 1fr; }
}