/* Facturación: página de Planes (Premium + packs), diálogo de pago y bloque de
   Ajustes. Archivo aparte (styles.css es del agente de diseño). Usa los tokens
   de styles.css con valores de respaldo, así que respeta modo claro/oscuro. */
.billing-page { max-width: 880px; }

.premium-card {
  position: relative; margin-top: 18px; padding: 26px;
  border: 2px solid color-mix(in srgb, var(--premium, #ffc800) 55%, var(--border, #e5e7eb));
  border-bottom-width: 6px;
  background:
    radial-gradient(120% 80% at 100% 0%, color-mix(in srgb, var(--premium, #ffc800) 16%, transparent) 0%, transparent 60%),
    var(--surface, #fff);
}
.premium-card.is-active { border-color: var(--success, #12873a); }
.premium-head h2 { font-size: clamp(1.35rem, 3.2vw, 1.8rem); margin: 10px 0 4px; }
.premium-badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 999px;
  background: var(--premium, #ffc800); color: #3d2a00; font: 800 .82rem var(--font-display, inherit);
  text-transform: uppercase; letter-spacing: .05em;
}
.premium-perks { list-style: none; padding: 0; margin: 16px 0 18px; display: grid; gap: 8px; }
.premium-perks li { display: flex; align-items: flex-start; gap: 10px; font-weight: 600; }
.premium-perks .ic { color: var(--success, #12873a); flex: none; margin-top: 2px; }

.plan-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.plan-opt {
  display: grid; gap: 4px; text-align: left; padding: 14px 16px; cursor: pointer; font: inherit; color: var(--ink, #15171c);
  background: var(--surface, #fff); border: 2px solid var(--border, #e5e7eb); border-bottom-width: 4px; border-radius: var(--r-md, 16px);
  min-height: 48px;
}
.plan-opt:hover { border-color: color-mix(in srgb, var(--brand, #1cb0f6) 50%, var(--border, #e5e7eb)); }
.plan-opt[aria-checked="true"] {
  border-color: var(--brand, #1cb0f6);
  background: color-mix(in srgb, var(--brand, #1cb0f6) 9%, var(--surface, #fff));
}
.plan-name { font-weight: 700; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.plan-price { font: 800 1.35rem var(--font-display, inherit); letter-spacing: -0.02em; }
.plan-price small { font: 600 .85rem var(--font-body, inherit); color: var(--ink-2, #5b5f68); margin-left: 2px; }
.plan-sub { font-size: .82rem; color: var(--ink-2, #5b5f68); }
.save-pill, .owned-pill {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px;
  background: var(--success-soft, #e3f8e6); color: var(--success, #12873a); font-size: .74rem; font-weight: 800;
}
.owned-pill { align-self: flex-start; padding: 6px 12px; font-size: .85rem; }

.btn-premium { min-height: 54px; font-size: 1.08rem; gap: 8px; }
.wallet-hint { text-align: center; margin: 10px 0 0; font-weight: 700; font-size: .88rem; color: var(--ink-2, #5b5f68); letter-spacing: .01em; }
.fine-print { text-align: center; margin: 6px 0 0; font-size: .8rem; color: var(--ink-2, #5b5f68); }
.billing-legal { margin-top: 18px; }
.billing-sub { font-size: 1.15rem; margin: 30px 0 12px; }

.billing-alert {
  margin: 12px 0 0; padding: 12px 16px; border-radius: var(--r-sm, 10px);
  background: var(--danger-soft, #ffe4e8); color: var(--danger, #c0263d); font-weight: 600; font-size: .92rem;
}
.billing-alert .link-btn { color: inherit; text-decoration: underline; }
#billing-settings .billing-alert { margin: 4px 0 8px; }

.billing-wait { display: grid; justify-items: center; gap: 12px; padding: 18px 8px 8px; text-align: center; font-weight: 600; }
.billing-wait .spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 4px solid var(--border, #e5e7eb); border-top-color: var(--brand, #1cb0f6);
  animation: billing-spin .8s linear infinite;
}
@keyframes billing-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .billing-wait .spinner { animation-duration: 2.4s; } }

@media (max-width: 480px) {
  .premium-card { padding: 20px 16px; }
  .plan-opt { padding: 12px; }
  .plan-price { font-size: 1.15rem; }
}