/* Plan y facturación (Configuración → Facturación) — cobro por conversaciones (T7).
   Recrea docs/billing/design-handoff/"Plan y Facturación - Prototipo.dc.html" con los tokens
   de nisto-tokens.css. Coral solo para extra, pago fallido y pausa. */

@keyframes nbill-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes nbill-spin { to { transform: rotate(360deg); } }
@keyframes nbill-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }

.nbill { display: flex; flex-direction: column; gap: 16px; padding-bottom: 80px; color: var(--text-strong); }
.nbill > * { width: 100%; }
.nbill-head p { margin: 7px 0 0; font-size: 14px; line-height: 1.45; color: var(--text-muted); }
.nbill .nis-page-title { font-size: 30px; }
.nbill-native { font-size: 13px; color: var(--text-muted); }

.nbill-card { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: 14px; }
.nbill-anim { animation: nbill-in .3s ease; }
.nbill-plan { padding: 22px 24px; display: flex; flex-direction: column; gap: 16px; }
.nbill-plan-head { display: flex; flex-direction: column; gap: 6px; }
.nbill-plan-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.nbill-plan-title { font-size: 17px; font-weight: 600; letter-spacing: -.3px; min-width: 0; overflow-wrap: anywhere; }
.nbill-plan-sub { font-size: 13.5px; color: var(--text-muted); line-height: 1.45; }
.nbill-plan-cancel { font-size: 13.5px; margin-top: 4px; }
.nbill-sep { padding-top: 14px; border-top: 1px solid var(--pv3-border-inner); }
.nbill-rules { display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; color: var(--text-body); line-height: 1.5; }

/* Chips (handoff §2.1) */
.nbill-chip { display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 9px; border-radius: 99px;
  border: 1px solid; font-size: 11.5px; font-weight: 600; white-space: nowrap; }
.nbill-chip i { width: 6px; height: 6px; border-radius: 99px; flex: none; box-shadow: inset 0 0 0 1.5px currentColor; }
.nbill-chip.is-active  { background: var(--neutral-100); border-color: var(--pv3-border); color: var(--text-strong); }
.nbill-chip.is-active i { background: var(--text-strong); box-shadow: none; }
.nbill-chip.is-pending { background: var(--surface-card); border-color: var(--border-default); color: var(--text-strong); }
.nbill-chip.is-pending i { background: transparent; box-shadow: inset 0 0 0 1.5px var(--text-strong); }
.nbill-chip.is-cancel  { background: var(--surface-card); border-color: var(--border-default); color: var(--text-body); }
.nbill-chip.is-cancel i { background: var(--text-faint); box-shadow: none; }
.nbill-chip.is-failed  { background: var(--coral-50); border-color: var(--coral-300); color: var(--coral-700); }
.nbill-chip.is-failed i { background: var(--coral-500); box-shadow: none; }
.nbill-chip.is-paused  { background: var(--text-strong); border-color: var(--text-strong); color: var(--text-on-dark); }
.nbill-chip.is-paused i { background: var(--coral-500); box-shadow: none; }

/* Uso del ciclo */
.nbill-usage { display: flex; flex-direction: column; gap: 10px; padding-top: 16px; border-top: 1px solid var(--pv3-border-inner); }
.nbill-usage-title { display: flex; align-items: baseline; gap: 7px; flex-wrap: wrap; }
.nbill-usage-num { font-size: 26px; font-weight: 600; letter-spacing: -.8px; font-variant-numeric: tabular-nums; line-height: 1; }
.nbill-usage-of { font-size: 14px; color: var(--text-body); }
.nbill-bar { height: 10px; border-radius: 99px; background: var(--pv3-border-inner); display: flex; gap: 2px; overflow: hidden; margin-top: 2px; }
.nbill-bar > div { flex-shrink: 1; flex-basis: 0; transition: flex-grow .5s cubic-bezier(.16, 1, .3, 1); }
.nbill-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--text-body); }
.nbill-legend span { display: inline-flex; align-items: center; gap: 6px; }
.nbill-legend b { font-variant-numeric: tabular-nums; font-weight: 600; }
.nbill-legend i { width: 8px; height: 8px; border-radius: 2px; flex: none; }
.nbill-note { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.nbill-extra { font-size: 13.5px; line-height: 1.5; padding: 10px 12px; background: var(--surface-page); border-radius: 9px; }
.nbill-gift { font-size: 13.5px; color: var(--text-body); }

/* Botones */
.nbill-btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; align-self: flex-start;
  background: var(--text-strong); color: var(--text-on-dark); border: none; font: inherit; font-size: 13.5px; font-weight: 600;
  padding: 0 18px; border-radius: 10px; cursor: pointer; transition: background .15s; }
.nbill-btn:hover { background: var(--accent-hover); }
.nbill-btn:disabled { opacity: .55; cursor: default; }
.nbill-btn.is-light { background: var(--surface-card); color: var(--text-strong); }
.nbill-btn.is-light:hover { filter: brightness(.95); background: var(--surface-card); }
.nbill-btn.is-ghost { background: var(--surface-card); color: var(--text-strong); border: 1px solid var(--border-default); }
.nbill-btn.is-ghost:hover { border-color: var(--text-faint); background: var(--surface-card); }

/* Banners de pago fallido (coral) y pausa (grafito) */
.nbill-banner { border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 12px; animation: nbill-in .3s ease; }
.nbill-banner-row { display: flex; gap: 11px; align-items: flex-start; font-size: 14px; line-height: 1.5; text-wrap: pretty; }
.nbill-banner-row strong { font-weight: 600; }
.nbill-banner.is-failed { background: var(--coral-50); border: 1px solid var(--coral-300); }
.nbill-banner.is-failed svg { color: var(--coral-700); flex: none; margin-top: 1px; }
.nbill-banner.is-paused { background: var(--text-strong); color: var(--text-on-dark); }
.nbill-banner-dot { width: 8px; height: 8px; border-radius: 99px; background: var(--coral-500); flex: none; margin-top: 7px; }

/* Avisos (confirmando pago / plan activo) */
.nbill-notice { padding: 13px 16px; display: flex; gap: 10px; align-items: center; font-size: 14px; border-radius: 12px; }
.nbill-notice-check { width: 22px; height: 22px; border-radius: 99px; background: var(--text-strong); display: flex; align-items: center; justify-content: center; flex: none; color: var(--text-on-dark); }
.nbill-notice-x { cursor: pointer; color: var(--text-muted); font-size: 18px; padding: 0 4px; background: none; border: 0; line-height: 1; min-width: 32px; min-height: 32px; }
.nbill-spin { animation: nbill-spin .9s linear infinite; flex: none; }

/* Esqueleto / error / activando / sin plan */
.nbill-skel { padding: 20px; display: flex; flex-direction: column; gap: 14px; animation: nbill-pulse 1.4s ease-in-out infinite; }
.nbill-skel i { display: block; border-radius: 6px; background: var(--pv3-border-inner); }
.nbill-center { padding: 28px 20px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px; }
.nbill-center-title { font-size: 15px; font-weight: 600; margin-top: 4px; }
.nbill-center-body { font-size: 13.5px; color: var(--text-muted); max-width: 320px; line-height: 1.5; }
.nbill-noplan { padding: 22px 20px; display: flex; flex-direction: column; gap: 6px; }
.nbill-noplan-title { font-size: 16px; font-weight: 600; }
.nbill-noplan-body { font-size: 14px; color: var(--text-body); line-height: 1.5; }

/* Facturas */
.nbill-inv { overflow: hidden; }
.nbill-inv-title { padding: 16px 20px 12px; font-size: 15px; font-weight: 600; }
.nbill-inv-err { padding: 4px 20px 4px; border-top: 1px solid var(--pv3-border-inner); font-size: 13.5px; color: var(--text-muted);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.nbill-link { font-weight: 600; color: var(--text-strong); cursor: pointer; min-height: 44px; display: inline-flex; align-items: center;
  background: none; border: 0; padding: 0; font: inherit; font-size: 13px; }
.nbill-link:hover { text-decoration: underline; }
.nbill-inv-row { display: grid; grid-template-columns: 1fr 1fr 1fr auto; align-items: center; gap: 12px; padding: 4px 20px;
  border-top: 1px solid var(--pv3-border-inner); font-size: 13.5px; }
.nbill-inv-amount { font-variant-numeric: tabular-nums; font-weight: 600; }
.nbill-inv-m { display: none; }

/* Redirigiendo a Polar */
.nbill-redirect { position: fixed; inset: 0; background: rgba(244, 245, 246, .92); display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 12px; z-index: 80; animation: nbill-in .2s ease; font-size: 14px; font-weight: 600; }

/* Barra superior mobile: "Facturación" con volver (reemplaza al h1). */
.nbill-mhead { display: none; }

/* Mobile 375 (handoff §1.6): botón principal a todo el ancho, filas de factura en dos líneas.
   Mismo corte que el resto del panel (vpMobile = max-width 768px, cuando aparece la barra
   inferior). */
@media (max-width: 768px) {
  .nbill { padding-bottom: 96px; }
  .nbill-head { display: none; }
  .nbill-mhead { display: flex; align-items: center; gap: 4px; margin: -6px 0 -4px -10px; }
  .nbill-mhead button { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
    background: none; border: 0; color: var(--text-strong); cursor: pointer; }
  .nbill-mhead span { font-size: 15px; font-weight: 600; }
  .nbill-plan { padding: 18px 16px; }
  .nbill-btn { align-self: stretch; width: 100%; }
  .nbill-inv-title { padding: 16px 16px 12px; }
  .nbill-inv-err { padding: 4px 16px; }
  .nbill-inv-row { display: none; }
  .nbill-inv-m { display: flex; flex-direction: column; gap: 6px; padding: 13px 16px 4px; border-top: 1px solid var(--pv3-border-inner); font-size: 13.5px; }
  .nbill-inv-m > div { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
  .nbill-inv-m > div:last-child { min-height: 44px; }
}