:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #111827;
  --text: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #0b5cad;
  --accent-ink: #ffffff;
  --ok: #157f3b;
  --ok-bg: #e8f6ed;
  --ko: #b42318;
  --ko-bg: #fdecea;
  --code-bg: #f1f3f6;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --card: #171b21;
    --ink: #f3f4f6;
    --text: #d1d5db;
    --muted: #9ca3af;
    --line: #2a3038;
    --accent: #5aa2f0;
    --accent-ink: #0b1220;
    --ok: #5fd08a;
    --ok-bg: #12261b;
    --ko: #ff8a80;
    --ko-bg: #2c1513;
    --code-bg: #20262e;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
h1, h2 { color: var(--ink); margin: 0; }
h1 { font-size: 1.6rem; letter-spacing: -0.01em; }
h2 { font-size: 1.05rem; display: flex; align-items: center; gap: 8px; }
code { font-family: ui-monospace, 'Cascadia Code', Consolas, monospace; font-size: 0.85em; }
a { color: var(--accent); }

.top {
  max-width: 1240px; margin: 0 auto; padding: 24px 16px 8px;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap;
}
.sub { margin: 4px 0 0; color: var(--muted); }
.badge { font-size: 0.85rem; padding: 6px 10px; border-radius: 999px; background: var(--code-bg); color: var(--muted); white-space: nowrap; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.ko { background: var(--ko-bg); color: var(--ko); }

.grid {
  max-width: 1240px; margin: 0 auto; padding: 16px;
  display: grid; gap: 16px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) minmax(0, 1fr);
  align-items: start;
}
@media (max-width: 1100px) { .grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .wide { grid-column: 1 / -1; order: 3; } }
@media (max-width: 720px) { .grid { grid-template-columns: minmax(0, 1fr); } }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; min-width: 0; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.step {
  display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font-size: 0.8rem;
}
.hint { color: var(--muted); font-size: 0.9rem; margin: 8px 0; }

form { margin-top: 12px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--muted); }
input, select {
  font: inherit; color: var(--ink); background: var(--card);
  border: 1px solid var(--line); border-radius: 7px; padding: 7px 9px; width: 100%; min-width: 0;
}
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

button {
  font: inherit; cursor: pointer; border-radius: 7px; padding: 7px 12px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.ghost { color: var(--muted); }
button.link { border: 0; background: none; color: var(--accent); padding: 4px 0; }
button.quitar { border: 0; background: none; color: var(--muted); font-size: 1.1rem; padding: 2px 6px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.lineas { width: 100%; border-collapse: collapse; table-layout: fixed; }
.lineas th { text-align: left; font-weight: 500; font-size: 0.8rem; color: var(--muted); padding: 0 4px 4px; }
.lineas td { padding: 3px 4px 3px 0; }
.lineas input, .lineas select { padding: 7px 6px; }
.lineas th:nth-child(1) { width: auto; }
.lineas th:nth-child(2) { width: 52px; }
.lineas th:nth-child(3) { width: 78px; }
.lineas th:nth-child(4) { width: 72px; }
.lineas th:nth-child(5) { width: 28px; }

.totales { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; margin: 12px 0; }
.totales dt { color: var(--muted); }
.totales dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.totales .total { color: var(--ink); font-weight: 700; font-size: 1.05rem; }
.error { color: var(--ko); font-size: 0.9rem; min-height: 1px; margin: 0 0 8px; }

.resumen { font-weight: 600; margin: 8px 0; }
.resumen.ok { color: var(--ok); }
.resumen.ko { color: var(--ko); }
.vacio { color: var(--muted); font-style: italic; }

.cadena { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-direction: column; gap: 0; }
.registro { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; position: relative; }
.registro + .registro { margin-top: 18px; }
.registro + .registro::before {
  content: ''; position: absolute; left: 22px; top: -19px; height: 18px; border-left: 2px dashed var(--line);
}
.registro.ok { border-color: var(--ok); }
.registro.ko { border-color: var(--ko); background: var(--ko-bg); }
.registro.ko::before { border-color: var(--ko); }
.reg-head { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
.num { color: var(--muted); font-variant-numeric: tabular-nums; }
.tag { font-size: 0.75rem; padding: 1px 8px; border-radius: 999px; background: var(--code-bg); }
.tag.alta { color: var(--accent); }
.tag.anulacion, .tag.anulada { color: var(--ko); }
.estado { font-size: 0.85rem; font-weight: 600; margin-left: auto; }
.estado.ok { color: var(--ok); }
.estado.ko { color: var(--ko); }
.hashes { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 0.85rem; color: var(--muted); margin-top: 6px; }
.hashes code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; color: var(--text); }
.reg-actions { display: flex; gap: 14px; margin-top: 4px; }

.fraude { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 12px; }
.fraude summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.fraude .row { grid-template-columns: 1fr; }

.factura-vacia { color: var(--muted); font-style: italic; margin-top: 12px; }
.factura { margin-top: 12px; }
.qr-bloque { text-align: center; padding: 8px 0 12px; border-bottom: 1px solid var(--line); }
.qr-label { font-size: 0.9rem; color: var(--ink); }
.qr {
  width: 160px; height: 160px; margin: 6px auto; display: block;
  image-rendering: pixelated; background: #fff; padding: 8px; border-radius: 4px;
}
.factura-datos { padding-top: 10px; }
.detalle { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.detalle th, .detalle td { text-align: left; padding: 4px 4px; border-bottom: 1px solid var(--line); }
.detalle th { color: var(--muted); font-weight: 500; }
.detalle td:last-child, .detalle th:last-child { text-align: right; }
.factura-total { text-align: right; margin: 8px 0; }
.como { margin-top: 10px; font-size: 0.88rem; }
.como summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.como p { margin: 8px 0 4px; }
code.bloque {
  display: block; background: var(--code-bg); padding: 8px; border-radius: 6px;
  word-break: break-all; white-space: pre-wrap;
}

.pie { max-width: 1240px; margin: 0 auto; padding: 8px 16px 32px; color: var(--muted); font-size: 0.85rem; }