:root {
  --bg: #f6f7f4; --card: #ffffff; --ink: #1d2420; --muted: #5d6862; --line: #dfe3de;
  --brand: #1f7a4d; --brand-ink: #ffffff; --ok-bg: #e5f4ec; --bad: #b3261e; --bad-bg: #fbe9e7;
  --warn-bg: #fff4d6; --chat: #e7f6dd;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121614; --card: #1b201d; --ink: #e8ece9; --muted: #9aa59f; --line: #2e3531;
    --brand: #4cc38a; --brand-ink: #08130d; --ok-bg: #173226; --bad: #ff8a80; --bad-bg: #3a1d1b;
    --warn-bg: #3a3218; --chat: #1f3324;
  }
}
:root[data-theme="dark"] {
  --bg: #121614; --card: #1b201d; --ink: #e8ece9; --muted: #9aa59f; --line: #2e3531;
  --brand: #4cc38a; --brand-ink: #08130d; --ok-bg: #173226; --bad: #ff8a80; --bad-bg: #3a1d1b;
  --warn-bg: #3a3218; --chat: #1f3324;
}
* { box-sizing: border-box; }
body { margin: 0; padding: 16px; background: var(--bg); color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
h1 { margin: 0; font-size: 1.6rem; }
h2 { margin: 0 0 12px; font-size: 1.05rem; display: flex; gap: 8px; align-items: center; }
h3 { margin: 8px 0; font-size: .95rem; }
.top { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; max-width: 1200px; margin: 0 auto; }
.sub, .mini { color: var(--muted); margin: 4px 0; }
.mini { font-size: .85rem; }
.tag { font-size: .75rem; font-weight: 600; background: var(--warn-bg); padding: 2px 8px; border-radius: 999px; vertical-align: middle; }
.aviso { max-width: 1200px; margin: 12px auto; padding: 10px 14px; background: var(--warn-bg); border-radius: 10px; font-size: .9rem; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; max-width: 1200px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; min-width: 0; }
.ancho { grid-column: 1 / -1; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } .top { flex-direction: column; } }
.paso { background: var(--brand); color: var(--brand-ink); width: 24px; height: 24px; border-radius: 50%; display: inline-grid; place-items: center; font-size: .8rem; }
label { display: block; margin: 8px 0; font-size: .9rem; color: var(--muted); }
select { display: block; width: 100%; margin-top: 4px; padding: 8px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit; }
button { font: inherit; padding: 9px 14px; border-radius: 9px; border: 1px solid var(--brand); background: var(--brand); color: var(--brand-ink); cursor: pointer; margin: 4px 0; }
button.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
button.ok { width: 100%; }
button.sel { outline: 2px solid var(--brand); outline-offset: 1px; }
button:disabled { opacity: .45; cursor: not-allowed; }
.fila { display: flex; gap: 8px; flex-wrap: wrap; }
.montos { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.montos button { background: transparent; color: var(--ink); border-color: var(--line); }
.qr { text-align: center; margin-top: 8px; }
.qr svg { width: 150px; height: 150px; background: #fff; padding: 6px; border-radius: 8px; }
.oculto { display: none !important; }
.estado { min-height: 1.4em; font-weight: 600; }
.reglas { font-size: .9rem; }
.reglas span { display: inline-block; margin: 2px 4px 2px 0; padding: 2px 8px; border-radius: 999px; background: var(--bad-bg); }
.check { display: flex; gap: 8px; align-items: center; color: var(--ink); }
.catalogo { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.prod { text-align: left; background: transparent; color: var(--ink); border-color: var(--line); margin: 0; }
.prod small { display: block; color: var(--muted); }
.prod.no-pub { background: var(--bad-bg); }
.carrito { display: flex; justify-content: space-between; align-items: center; margin: 12px 0 4px; gap: 8px; }
.resultado { margin-top: 10px; padding: 12px; border-radius: 10px; }
.resultado.ok { background: var(--ok-bg); }
.resultado.bad { background: var(--bad-bg); }
.resultado .ini { font-size: 1.8rem; font-weight: 700; }
.chat { display: flex; flex-direction: column; gap: 8px; max-height: 460px; overflow-y: auto; }
.burbuja { background: var(--chat); padding: 8px 12px; border-radius: 10px 10px 10px 2px; font-size: .9rem; }
.burbuja time { display: block; font-size: .75rem; color: var(--muted); }
.saldos { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; }
.saldos div { border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; }
.saldos strong { display: block; font-size: 1.2rem; }
.tabla-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th, td { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
code { font-size: .85em; }
footer { max-width: 1200px; margin: 16px auto 0; }