/* ==========================================================================
   biXci Checkout v2 — hoja única y autosuficiente.
   No depende del tema: en esta página se descarga el resto de CSS del sitio
   (ver class-bxv2-assets.php), así que aquí va todo lo necesario.
   Mobile-first.
   ========================================================================== */

.bxv2 {
  --bx-primary: #0359b3;
  --bx-primary-dark: #024792;
  --bx-accent: #e63946;
  --bx-green: #16a34a;
  --bx-ink: #0f172a;
  --bx-body: #334155;
  --bx-muted: #64748b;
  --bx-line: #e6eaf0;
  --bx-bg: #f6f8fb;
  --bx-card: #fff;
  --bx-r: 14px;

  font-family: 'Inter Tight', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--bx-body);
  background: var(--bx-bg);
  min-height: 100vh;
  padding-bottom: 88px; /* espacio para la barra fija */
  -webkit-font-smoothing: antialiased;
}

.bxv2 *, .bxv2 *::before, .bxv2 *::after { box-sizing: border-box; }

/* ---------- Barra superior ---------- */
.bxv2-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  padding: .7rem 1rem;
  background: var(--bx-card);
  border-bottom: 1px solid var(--bx-line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.bxv2-topbar__logo {
  font-size: 1.15rem; font-weight: 900; color: var(--bx-ink);
  text-decoration: none; letter-spacing: -.02em;
}
.bxv2-topbar__help {
  font-size: .8rem; font-weight: 700; color: var(--bx-primary); text-decoration: none;
}
.bxv2-pill {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .68rem; font-weight: 700; padding: .25rem .6rem; border-radius: 999px;
}
.bxv2-pill--secure { background: #ecfdf5; color: #15803d; border: 1px solid #a7f3d0; }

.bxv2-wrap { max-width: 560px; margin: 0 auto; padding: .9rem 1rem 1.5rem; }

/* ---------- Resumen plegable ---------- */
.bxv2-summary {
  background: var(--bx-card); border: 1px solid var(--bx-line);
  border-radius: var(--bx-r); margin-bottom: .9rem; overflow: hidden;
}
.bxv2-summary > summary {
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 1rem; cursor: pointer; list-style: none; font-size: .88rem;
}
.bxv2-summary > summary::-webkit-details-marker { display: none; }
.bxv2-summary__label { font-weight: 700; color: var(--bx-ink); }
.bxv2-summary__label::after { content: ' ▾'; color: var(--bx-muted); }
.bxv2-summary[open] .bxv2-summary__label::after { content: ' ▴'; }
.bxv2-summary__total { font-weight: 800; color: var(--bx-primary); }
.bxv2-summary__body { padding: 0 1rem .85rem; border-top: 1px solid var(--bx-line); }
.bxv2-line { display: flex; align-items: center; gap: .6rem; padding: .55rem 0; border-bottom: 1px dashed var(--bx-line); }
.bxv2-line:last-child { border-bottom: none; }
.bxv2-line__img img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; background: var(--bx-bg); display: block; }
.bxv2-line__name { flex: 1; font-size: .78rem; line-height: 1.3; color: var(--bx-ink); }
.bxv2-line__name small { display: block; color: var(--bx-muted); font-weight: 600; }
.bxv2-line__price { font-size: .82rem; font-weight: 700; white-space: nowrap; }

/* ---------- Pasos ---------- */
.bxv2-steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .4rem;
  list-style: none; margin: 0 0 1rem; padding: 0;
}
.bxv2-steps__item {
  display: flex; align-items: center; justify-content: center; gap: .35rem;
  font-size: .74rem; font-weight: 700; color: var(--bx-muted);
  padding: .5rem .3rem; border-radius: 999px; background: var(--bx-card);
  border: 1px solid var(--bx-line);
}
.bxv2-steps__item span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 50%; font-size: .68rem;
  background: var(--bx-line); color: var(--bx-muted);
}
.bxv2-steps__item.is-active { color: #fff; background: var(--bx-primary); border-color: var(--bx-primary); }
.bxv2-steps__item.is-active span { background: rgba(255,255,255,.25); color: #fff; }
.bxv2-steps__item.is-done { color: var(--bx-green); border-color: #a7f3d0; background: #ecfdf5; }
.bxv2-steps__item.is-done span { background: var(--bx-green); color: #fff; }

/* ---------- Paneles ---------- */
.bxv2-panel {
  display: none; background: var(--bx-card); border: 1px solid var(--bx-line);
  border-radius: var(--bx-r); padding: 1.1rem;
}
.bxv2-panel.is-active { display: block; animation: bxv2In .22s ease; }
@keyframes bxv2In { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.bxv2-panel__title { font-size: 1.08rem; font-weight: 800; color: var(--bx-ink); margin: 0 0 .2rem; }
.bxv2-panel__hint { font-size: .8rem; color: var(--bx-muted); margin: 0 0 1rem; }
.bxv2-subtitle { font-size: .9rem; font-weight: 800; color: var(--bx-ink); margin: 1.2rem 0 .6rem; }

/* ---------- Campos ---------- */
.bxv2-field { margin-bottom: .85rem; }
.bxv2-field label { display: block; font-size: .78rem; font-weight: 700; color: var(--bx-ink); margin-bottom: .3rem; }
.bxv2-field label b { color: var(--bx-accent); }
.bxv2-field input, .bxv2-field select {
  width: 100%; height: 46px; padding: 0 .85rem;
  font-size: .95rem; font-family: inherit; color: var(--bx-ink);
  background: #fff; border: 1.5px solid var(--bx-line); border-radius: 11px;
  transition: border-color .15s, box-shadow .15s;
}
.bxv2-field select {
  appearance: none; -webkit-appearance: none; padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .8rem center;
}
.bxv2-field input:focus, .bxv2-field select:focus {
  outline: none; border-color: var(--bx-primary); box-shadow: 0 0 0 3px rgba(3,89,179,.15);
}
.bxv2-field input.has-error, .bxv2-field select.has-error { border-color: var(--bx-accent); }
.bxv2-error { display: block; font-size: .72rem; color: var(--bx-accent); font-weight: 600; margin-top: .25rem; min-height: 1em; }
.bxv2-hint { display: block; font-size: .72rem; color: var(--bx-muted); margin-top: .25rem; }
.bxv2-hint.is-error { color: var(--bx-accent); font-weight: 600; }
.bxv2-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }

/* ---------- Tipo de comprobante (paso 1, lo primero que se decide) ---------- */
.bxv2-doctype { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; margin-bottom: 1.1rem; }
.bxv2-doc {
  display: flex; flex-direction: column; align-items: center; gap: .15rem;
  padding: .9rem .5rem; border-radius: 13px; cursor: pointer; font-family: inherit;
  background: var(--bx-bg); border: 2px solid var(--bx-line); text-align: center;
  transition: all .15s;
}
.bxv2-doc__ico { font-size: 1.5rem; line-height: 1.1; }
.bxv2-doc__t { font-size: .95rem; font-weight: 800; color: var(--bx-ink); }
.bxv2-doc__s { font-size: .68rem; color: var(--bx-muted); }
.bxv2-doc.is-active {
  background: #eff6ff; border-color: var(--bx-primary);
  box-shadow: 0 3px 12px rgba(3,89,179,.18);
}
.bxv2-doc.is-active .bxv2-doc__t { color: var(--bx-primary); }

/* Resumen del comprobante en el paso de pago */
.bxv2-recap {
  display: flex; align-items: center; gap: .5rem;
  background: #eff6ff; border: 1.5px solid #bbe0ff; border-radius: 11px;
  padding: .6rem .8rem; margin-bottom: 1rem; font-size: .82rem;
}
.bxv2-recap__t { color: var(--bx-muted); font-weight: 600; }
.bxv2-recap__v { flex: 1; font-weight: 800; color: var(--bx-primary); }
.bxv2-recap__edit {
  background: none; border: none; cursor: pointer; font-family: inherit;
  font-size: .78rem; font-weight: 700; color: var(--bx-primary); text-decoration: underline;
}

/* ---------- Modalidad de entrega ---------- */
.bxv2-modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin-bottom: 1rem; }
.bxv2-mode {
  display: flex; flex-direction: column; align-items: center; gap: .15rem;
  padding: .7rem .35rem; border-radius: 12px; cursor: pointer;
  background: var(--bx-bg); border: 1.5px solid var(--bx-line); text-align: center;
  font-family: inherit; transition: all .15s;
}
.bxv2-mode__ico { font-size: 1.25rem; line-height: 1; }
.bxv2-mode__t { font-size: .8rem; font-weight: 800; color: var(--bx-ink); }
.bxv2-mode__s { font-size: .62rem; color: var(--bx-muted); line-height: 1.25; }
.bxv2-mode.is-active { background: #eff6ff; border-color: var(--bx-primary); box-shadow: 0 2px 8px rgba(3,89,179,.15); }
.bxv2-mode.is-active .bxv2-mode__t { color: var(--bx-primary); }

.bxv2-subtabs { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; margin-bottom: .85rem; }
.bxv2-subtab {
  padding: .55rem .4rem; border-radius: 999px; cursor: pointer; font-family: inherit;
  font-size: .78rem; font-weight: 700; color: var(--bx-muted);
  background: var(--bx-bg); border: 1.5px solid var(--bx-line); transition: all .15s;
}
.bxv2-subtab.is-active { background: var(--bx-primary); border-color: var(--bx-primary); color: #fff; }

.bxv2-store {
  display: flex; flex-direction: column; gap: .2rem;
  background: #ecfdf5; border: 1.5px solid #a7f3d0; border-radius: 12px; padding: .9rem 1rem;
  font-size: .82rem; color: #15803d;
}
.bxv2-store strong { color: #166534; font-size: .9rem; }

/* ---------- Cotización de envío ---------- */
.bxv2-quote {
  background: #f0f7ff; border: 1.5px solid #bbe0ff; border-radius: 12px;
  padding: .75rem .9rem; margin: 1rem 0;
}
.bxv2-quote__row { display: flex; align-items: center; justify-content: space-between; font-size: .85rem; font-weight: 700; color: var(--bx-ink); }
.bxv2-quote__row b { color: var(--bx-primary); }
.bxv2-quote__row b.is-free { color: var(--bx-green); }
.bxv2-quote__eta { font-size: .74rem; color: var(--bx-muted); margin-top: .25rem; font-weight: 600; }

/* ---------- Pagos ---------- */
.bxv2-pays { display: flex; flex-direction: column; gap: .5rem; }
.bxv2-pay {
  display: block; position: relative; cursor: pointer;
  padding: .85rem 1rem .85rem 2.4rem; border-radius: 12px;
  background: var(--bx-card); border: 1.5px solid var(--bx-line); transition: all .15s;
}
.bxv2-pay input { position: absolute; left: .9rem; top: 1rem; accent-color: var(--bx-primary); }
.bxv2-pay.is-active { border-color: var(--bx-primary); background: #f0f7ff; }
.bxv2-pay__t { display: block; font-size: .88rem; font-weight: 700; color: var(--bx-ink); }
.bxv2-pay__d { display: block; font-size: .75rem; color: var(--bx-muted); margin-top: .2rem; }
.bxv2-pay__d p { margin: 0; }
.bxv2-pay__icon img { max-height: 22px; width: auto; vertical-align: middle; }
.bxv2-pay__fields { display: block; margin-top: .5rem; }

/* ---------- Totales ---------- */
.bxv2-totals { margin: 1rem 0; padding: .85rem 1rem; background: var(--bx-bg); border-radius: 12px; }
.bxv2-total-row { display: flex; justify-content: space-between; font-size: .85rem; padding: .25rem 0; }
.bxv2-total-row--grand {
  border-top: 1.5px solid var(--bx-line); margin-top: .35rem; padding-top: .5rem;
  font-size: 1rem; font-weight: 800; color: var(--bx-ink);
}
.bxv2-total-row--grand b { color: var(--bx-primary); }

/* ---------- Confianza ---------- */
.bxv2-trust {
  display: flex; flex-wrap: wrap; gap: .4rem; justify-content: center;
  margin: .9rem 0; font-size: .7rem; font-weight: 600; color: var(--bx-muted);
}
.bxv2-trust span { background: var(--bx-bg); border: 1px solid var(--bx-line); padding: .25rem .6rem; border-radius: 999px; }

.bxv2-legal { font-size: .7rem; color: var(--bx-muted); text-align: center; margin: .8rem 0 0; }
.bxv2-legal a { color: var(--bx-primary); }

/* ---------- Botones ---------- */
.bxv2-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  width: 100%; min-height: 50px; padding: 0 1.3rem; border: none; border-radius: 12px;
  font-family: inherit; font-size: .95rem; font-weight: 800; cursor: pointer;
  text-decoration: none; transition: transform .15s, box-shadow .15s, background .15s;
}
.bxv2-btn--primary { background: linear-gradient(135deg,#0a6ed1,var(--bx-primary) 60%,var(--bx-primary-dark)); color: #fff; box-shadow: 0 6px 18px -6px rgba(3,89,179,.45); }
.bxv2-btn--buy { background: linear-gradient(135deg,#ff5b66,var(--bx-accent) 55%,#d62839); color: #fff; box-shadow: 0 6px 18px -6px rgba(230,57,70,.45); }
.bxv2-btn--ghost { background: #fff; color: var(--bx-ink); border: 1.5px solid var(--bx-line); }
.bxv2-btn:hover { transform: translateY(-1px); }
.bxv2-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.bxv2-btn.is-loading::after {
  content: ''; width: 15px; height: 15px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.4); border-top-color: #fff;
  animation: bxv2spin .6s linear infinite;
}
@keyframes bxv2spin { to { transform: rotate(360deg); } }
.bxv2-actions { display: grid; grid-template-columns: .8fr 1.6fr; gap: .5rem; margin-top: 1rem; }

/* En móvil manda la barra fija: se oculta el botón de avanzar dentro del
   panel para no mostrar dos "Continuar" compitiendo (el mismo problema que
   tiene el checkout actual). El de "Atrás" sí se mantiene. */
@media (max-width: 899px) {
  .bxv2-panel > .bxv2-next,
  .bxv2-actions .bxv2-next,
  .bxv2-actions #bxv2-submit { display: none; }
  .bxv2-actions { grid-template-columns: 1fr; }
}

/* ---------- Barra fija: total en UNA línea ---------- */
.bxv2-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem .9rem calc(.6rem + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.94);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-top: 1px solid var(--bx-line);
  box-shadow: 0 -4px 16px rgba(15,23,42,.07);
}
.bxv2-bar__total { display: flex; flex-direction: column; line-height: 1.15; flex-shrink: 0; }
.bxv2-bar__total span { font-size: .64rem; font-weight: 700; color: var(--bx-muted); text-transform: uppercase; letter-spacing: .04em; }
.bxv2-bar__total b { font-size: 1.15rem; font-weight: 900; color: var(--bx-ink); white-space: nowrap; }
.bxv2-bar .bxv2-btn { width: auto; flex: 1; min-height: 46px; }

/* ---------- Avisos y vacío ---------- */
.bxv2-alert {
  background: #fffbeb; border: 1.5px solid #fcd34d; color: #78350f;
  border-radius: 12px; padding: .8rem 1rem; font-size: .82rem; line-height: 1.5; margin-top: .8rem;
}
.bxv2-alert--error { background: #fef2f2; border-color: #fca5a5; color: #991b1b; font-weight: 600; }

.bxv2-empty { max-width: 460px; margin: 3rem auto; padding: 2.5rem 1.5rem; text-align: center; background: #fff; border: 1px solid var(--bx-line); border-radius: 18px; }
.bxv2-empty__icon { font-size: 2.6rem; margin-bottom: .5rem; }
.bxv2-empty h2 { font-size: 1.15rem; font-weight: 800; color: var(--bx-ink); margin: 0 0 .4rem; }
.bxv2-empty p { font-size: .88rem; color: var(--bx-muted); margin: 0 0 1.2rem; }
.bxv2-empty .bxv2-btn { max-width: 240px; margin: 0 auto; }

/* ---------- Escritorio: dos columnas ---------- */
@media (min-width: 900px) {
  .bxv2-wrap { max-width: 980px; display: grid; grid-template-columns: 1fr 340px; gap: 1.5rem; align-items: start; padding-top: 1.5rem; }
  .bxv2-steps { grid-column: 1; }
  #bxv2-form { grid-column: 1; }
  .bxv2-summary { grid-column: 2; grid-row: 1 / span 3; position: sticky; top: 78px; }
  .bxv2-summary > summary { pointer-events: none; }
  .bxv2-summary__label::after { content: ''; }
  .bxv2-summary__body { display: block !important; }
  .bxv2-bar { display: none; }
  .bxv2 { padding-bottom: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .bxv2-panel.is-active { animation: none; }
  .bxv2-btn:hover { transform: none; }
}