:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #1a2233;
  --muted: #6b7280;
  --line: #e5e8f0;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --ok: #16a34a;
  --warn: #d97706;
  --err: #dc2626;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(20,30,60,.08), 0 1px 2px rgba(20,30,60,.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1420; --card: #172033; --ink: #e6eaf2; --muted: #9aa4b8;
    --line: #26314a; --accent: #3b82f6; --shadow: none;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1,h2,h3 { margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; margin-top: 1rem; }
small { color: var(--muted); }
hr { border: none; border-top: 1px solid var(--line); margin: 1rem 0; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: .8rem 1.25rem; background: var(--card); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .75rem; }
.brand h1 { font-size: 1.05rem; }
.logo { font-size: 1.6rem; }
.env {
  font-size: .78rem; font-weight: 600; padding: .3rem .7rem; border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent);
}

.tabs {
  display: flex; gap: .25rem; padding: .5rem 1.25rem 0; background: var(--card);
  border-bottom: 1px solid var(--line); overflow-x: auto;
}
.tab {
  border: none; background: none; color: var(--muted); font-weight: 600;
  padding: .6rem .9rem; cursor: pointer; border-bottom: 2px solid transparent;
  white-space: nowrap; font-size: .92rem;
}
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

main { max-width: 1080px; margin: 1.25rem auto; padding: 0 1rem; }
.view { display: none; }
.view.active { display: block; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 820px) { .grid2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.1rem 1.2rem; margin-bottom: 1rem;
}
.card.narrow { max-width: 520px; }
.cardhead { display: flex; justify-content: space-between; align-items: center; }

.form { display: flex; flex-direction: column; gap: .7rem; }
.row { display: flex; gap: .7rem; flex-wrap: wrap; }
.row > label { flex: 1; min-width: 120px; }
label { display: flex; flex-direction: column; gap: .25rem; font-size: .82rem; color: var(--muted); font-weight: 600; }
input, select {
  padding: .5rem .6rem; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font-size: .92rem; font-family: inherit;
}
input:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: .8rem; }
legend { padding: 0 .4rem; font-size: .8rem; font-weight: 700; color: var(--muted); }
.hint { color: var(--muted); font-size: .82rem; }

.btn {
  align-self: flex-start; border: 1px solid var(--line); background: var(--card);
  color: var(--ink); padding: .55rem 1rem; border-radius: 8px; font-weight: 600;
  cursor: pointer; font-size: .9rem;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.small { padding: .35rem .7rem; font-size: .82rem; }
.btn.danger { color: var(--err); border-color: color-mix(in srgb, var(--err) 40%, var(--line)); }

.list { display: flex; flex-direction: column; gap: .5rem; }
.emisor-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 8px; font-size: .9rem;
}
.emisor-item .ced { color: var(--muted); font-size: .8rem; }
.badge { font-size: .72rem; padding: .15rem .5rem; border-radius: 999px; font-weight: 700; }
.badge.cert-ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge.cert-no { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }

.linea {
  border: 1px solid var(--line); border-radius: 10px; padding: .7rem; margin-bottom: .6rem;
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}
.linea .row { align-items: end; }
.linea .rm { color: var(--err); background: none; border: none; cursor: pointer; font-size: .82rem; }

.totals { font-weight: 700; text-align: right; padding: .3rem 0; }
.totals .big { font-size: 1.1rem; color: var(--accent); }

.table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.table th, .table td { text-align: left; padding: .5rem .55rem; border-bottom: 1px solid var(--line); }
.table th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; }
.table td.clave { font-family: ui-monospace, monospace; font-size: .78rem; word-break: break-all; }
.st { font-weight: 700; font-size: .78rem; padding: .12rem .5rem; border-radius: 999px; display: inline-block; }
.st.aceptado { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.st.rechazado, .st.error { background: color-mix(in srgb, var(--err) 18%, transparent); color: var(--err); }
.st.enviado, .st.procesando, .st.recibido, .st.generado { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.table tr.detail td { border-bottom: 1px solid var(--line); padding-top: 0; }
.motivo { font-size: .82rem; padding: .5rem .7rem; border-radius: 8px; white-space: pre-wrap; }
.motivo.err { background: color-mix(in srgb, var(--err) 12%, transparent); color: var(--err); }
.motivo.obs { background: color-mix(in srgb, var(--warn) 12%, transparent); color: var(--warn); }

.toast {
  position: fixed; bottom: 1.2rem; left: 50%; transform: translateX(-50%) translateY(2rem);
  background: var(--ink); color: var(--bg); padding: .7rem 1.1rem; border-radius: 10px;
  font-size: .9rem; opacity: 0; pointer-events: none; transition: .25s; max-width: 90vw; z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: var(--err); color: #fff; }
.toast.ok { background: var(--ok); color: #fff; }

.topright { display: flex; align-items: center; gap: .6rem; }

.overlay {
  position: fixed; inset: 0; z-index: 100; background: var(--bg);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.overlay.hidden { display: none; }
.card.login { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: .8rem; }
.brand.center { flex-direction: column; text-align: center; gap: .3rem; }
.brand.center .logo { font-size: 2.4rem; }
code { background: color-mix(in srgb, var(--accent) 12%, transparent); padding: 0 .3rem; border-radius: 4px; font-size: .85em; }

.modalcard { width: 100%; max-width: 660px; max-height: 82vh; overflow: auto; }
.entrega { border: 1px solid var(--line); border-radius: 8px; padding: .5rem .7rem; margin-bottom: .5rem; font-size: .82rem; }
.entrega .top { display: flex; justify-content: space-between; gap: .5rem; }
.entrega .dim { color: var(--muted); }
.entrega .err { color: var(--err); white-space: pre-wrap; margin-top: .3rem; }
.dot { width: .6rem; height: .6rem; border-radius: 50%; display: inline-block; margin-right: .35rem; }
.dot.ok { background: var(--ok); } .dot.no { background: var(--err); }