/* ==========================================================================
   Tienda: precio en "Los 4", carrito (dialog), formulario y botón flotante
   Gradiente oficial del logo: FORTIX (azul) · PRO (verde) · V (rosa) · AURA (morado)
   ========================================================================== */

/* --- Precio y botón en cada producto --- */
.ppanel__buy { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4) var(--s-5); margin: var(--s-4) 0 var(--s-2); padding: var(--s-4) 0 0; border-top: 1px solid var(--line); }
.ppanel__price { margin: 0; display: grid; gap: 0.1rem; }
.ppanel__amount { font-size: clamp(1.6rem, 1.2rem + 1.2vw, 2.1rem); font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; font-variant-numeric: tabular-nums; }
.ppanel__tax { font-size: 0.8125rem; color: var(--fg-muted); letter-spacing: 0.02em; }
.ppanel__add { box-shadow: 0 14px 34px -16px color-mix(in oklab, var(--accent) 80%, transparent); }
.btn__bag { width: 1.15rem; height: 1.15rem; flex: none; }

/* --- Contador del carrito en la navegación --- */
.cart-count { display: inline-grid; place-items: center; min-width: 1.35rem; height: 1.35rem; padding: 0 0.35rem; margin-left: 0.15rem; border-radius: 999px; font-size: 0.75rem; font-weight: 700; letter-spacing: 0; background: linear-gradient(120deg, var(--p-fortix), var(--p-pro), var(--p-v), var(--p-aura)); color: #fff; }
.cart-count[hidden] { display: none; }

/* --- Botón flotante (aparece con productos en el carrito) --- */
.cart-fab { position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: calc(var(--z-nav) + 1); display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1.1rem 0.8rem 0.95rem; border-radius: 999px; background: var(--fg); color: var(--ink-950); font-weight: 700; font-size: 0.95rem; text-decoration: none; box-shadow: 0 18px 40px -14px rgba(0, 0, 0, 0.7), 0 0 0 3px rgba(244, 245, 250, 0.08); animation: fab-in 520ms var(--ease-out) both; }
.cart-fab svg { width: 1.3rem; height: 1.3rem; }
.cart-fab[hidden] { display: none; }
@keyframes fab-in { from { transform: translateY(24px) scale(0.9); opacity: 0; } }

/* --- Dialog --- */
html.cart-open { overflow: hidden; }
.cart { padding: 0; border: 0; margin: 0 0 0 auto; width: min(100vw, 30rem); max-width: 100vw; height: 100dvh; max-height: 100dvh; background: transparent; color: var(--fg); overflow: visible; }
.cart::backdrop { background: rgba(4, 6, 12, 0.62); backdrop-filter: blur(6px); }
.cart[open] { animation: cart-in 520ms var(--ease-out) both; }
@keyframes cart-in { from { transform: translateX(40px); opacity: 0; } }
.cart__panel { position: relative; height: 100%; display: flex; flex-direction: column; overflow-y: auto; overscroll-behavior: contain; background: linear-gradient(180deg, var(--ink-900), var(--ink-950)); border-left: 1px solid var(--line); }
.cart__panel::before { content: ""; position: sticky; top: 0; display: block; height: 3px; flex: none; z-index: 3; background: linear-gradient(90deg, var(--p-fortix), var(--p-pro), var(--p-v), var(--p-aura)); }

.cart__head { position: sticky; top: 3px; z-index: 2; padding: var(--s-5) var(--s-5) var(--s-4); background: color-mix(in oklab, var(--ink-900) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.cart__head .eyebrow { margin: 0 0 0.25rem; }
.cart__title { margin: 0; font-size: 1.6rem; font-weight: 300; letter-spacing: -0.02em; }
.cart__close { position: absolute; top: var(--s-5); right: var(--s-4); width: 2.75rem; height: 2.75rem; border-radius: 50%; border: 1px solid var(--line-strong); background: transparent; color: var(--fg); cursor: pointer; }
.cart__close span { position: absolute; left: 50%; top: 50%; width: 1rem; height: 1.5px; background: currentColor; transform: translate(-50%, -50%) rotate(45deg); }
.cart__close span + span { transform: translate(-50%, -50%) rotate(-45deg); }
.cart__close:hover { background: rgba(244, 245, 250, 0.06); }
.cart__steps { display: flex; gap: var(--s-2); margin: var(--s-4) 0 0; padding: 0; list-style: none; counter-reset: st; }
.cart__steps li { flex: 1; counter-increment: st; font-size: 0.75rem; letter-spacing: 0.06em; color: var(--fg-subtle); padding-top: 0.55rem; border-top: 2px solid var(--line); }
.cart__steps li::before { content: counter(st) " · "; }
.cart__steps li[aria-current="step"] { color: var(--fg); border-top-color: var(--fg); }

.cart__step { padding: var(--s-4) var(--s-5) var(--s-5); flex: 1 0 auto; }
.cart__step[hidden] { display: none; }

/* --- Líneas del carrito --- */
.cart__lines { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-3); }
.cline { display: grid; grid-template-columns: 3.25rem 1fr auto; align-items: center; gap: var(--s-4); padding: var(--s-3) var(--s-4) var(--s-3) var(--s-3); border-radius: var(--r-lg); border: 1px solid var(--line); background: rgba(244, 245, 250, 0.02); transition: border-color var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.cline.is-on { border-color: color-mix(in oklab, var(--c) 70%, transparent); background: color-mix(in oklab, var(--c) 9%, transparent); box-shadow: 0 0 40px -18px var(--c); }
.cline.is-pulse { animation: cline-pulse 900ms var(--ease-out); }
@keyframes cline-pulse { 30% { box-shadow: 0 0 0 3px color-mix(in oklab, var(--c) 55%, transparent), 0 0 50px -10px var(--c); } }
.cline__img { width: 3.25rem; height: 5.5rem; object-fit: contain; filter: drop-shadow(0 10px 14px rgba(0, 0, 0, 0.5)); }
.cline__info { min-width: 0; }
.cline__name { margin: 0; font-size: 1rem; }
.cline__name b { font-weight: 700; color: color-mix(in oklab, var(--c) 55%, white); }
.cline__tag { margin: 0.1rem 0 0.3rem; font-size: 0.75rem; color: var(--fg-muted); line-height: 1.35; }
.cline__price { margin: 0; font-size: 0.95rem; font-weight: 500; font-variant-numeric: tabular-nums; }

.qty { display: inline-flex; align-items: center; border: 1px solid var(--line-strong); border-radius: 999px; }
.qty__btn { width: 2.5rem; height: 2.5rem; border: 0; border-radius: 50%; background: transparent; color: var(--fg); font-size: 1.25rem; line-height: 1; cursor: pointer; }
.qty__btn:hover:not(:disabled) { background: rgba(244, 245, 250, 0.08); }
.qty__btn:disabled { opacity: 0.3; cursor: default; }
.qty__n { min-width: 1.6rem; text-align: center; font-weight: 500; font-variant-numeric: tabular-nums; }

.cart__empty { margin: var(--s-4) 0 0; font-size: 0.875rem; color: var(--fg-muted); text-align: center; }
.cart__empty[hidden], .cart__notice[hidden], .cart__error[hidden] { display: none; }
.cart__notice { margin: 0 0 var(--s-4); padding: var(--s-3) var(--s-4); border-radius: var(--r-md); border: 1px solid rgba(245, 196, 81, 0.4); background: rgba(245, 196, 81, 0.08); font-size: 0.875rem; }
.cart__notice a, .cart__form a { color: var(--fg); text-decoration: underline; text-underline-offset: 3px; }

/* --- Formulario --- */
.cart__form { display: grid; gap: var(--s-3); align-content: start; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); }
.field-row--doc { grid-template-columns: 7rem 1fr; }
.field { display: grid; gap: 0.3rem; font-size: 0.8125rem; color: var(--fg-muted); min-width: 0; }
.field small { color: var(--fg-subtle); font-size: 0.75rem; }
.field input, .field select, .field textarea { width: 100%; height: 2.9rem; padding: 0.65rem 0.85rem; border-radius: var(--r-md); border: 1px solid var(--line-strong); background: rgba(7, 10, 20, 0.6); color: var(--fg); font: inherit; font-size: 1rem; }
.field textarea { height: auto; min-height: 4.2rem; resize: vertical; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23f4f5fa' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.85rem center; padding-right: 2.2rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--fg); box-shadow: 0 0 0 3px rgba(244, 245, 250, 0.12); }
.field.is-err input, .field.is-err select { border-color: #ff8fb0; }
.field__err { color: #ff8fb0 !important; font-size: 0.75rem; }
.check { display: grid; grid-template-columns: auto 1fr; gap: 0.6rem; align-items: start; font-size: 0.8125rem; color: var(--fg-muted); line-height: 1.5; margin-top: var(--s-2); }
.check input { width: 1.15rem; height: 1.15rem; margin-top: 0.15rem; accent-color: var(--p-pro); }
.check.is-err { color: #ff8fb0; }
.check .field__err { grid-column: 2; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.cart__error { margin: 0; padding: var(--s-3) var(--s-4); border-radius: var(--r-md); background: rgba(255, 80, 120, 0.12); border: 1px solid rgba(255, 143, 176, 0.4); font-size: 0.875rem; }

/* --- Pie: totales y acciones --- */
.cart__foot { position: sticky; bottom: 0; z-index: 2; margin-top: auto; padding: var(--s-4) var(--s-5) max(var(--s-4), env(safe-area-inset-bottom)); background: color-mix(in oklab, var(--ink-950) 94%, transparent); backdrop-filter: blur(10px); border-top: 1px solid var(--line); }
.cart__foot[hidden] { display: none; }
.cart__totals { margin: 0 0 var(--s-3); display: grid; gap: 0.2rem; font-size: 0.875rem; }
.cart__totals div { display: flex; justify-content: space-between; color: var(--fg-muted); }
.cart__totals dd { margin: 0; font-variant-numeric: tabular-nums; color: var(--fg); }
.cart__totals .cart__total { margin-top: 0.35rem; padding-top: 0.5rem; border-top: 1px solid var(--line); color: var(--fg); font-size: 1.15rem; font-weight: 500; }
.cart__actions { display: flex; gap: var(--s-3); }
.cart__actions .btn { flex: 1; justify-content: center; }
.cart__actions .btn--ghost { flex: 0 0 auto; }
.cart__actions .btn[hidden] { display: none; }
.cart__next:disabled { opacity: 0.45; cursor: not-allowed; transform: none; box-shadow: none; }
.cart__secure { display: flex; gap: 0.45rem; align-items: center; margin: var(--s-3) 0 0; font-size: 0.75rem; color: var(--fg-subtle); }
.cart__secure svg { width: 0.95rem; height: 0.95rem; flex: none; }

/* --- Paso de pago --- */
.cart__paying { display: grid; justify-items: center; align-content: center; text-align: center; gap: var(--s-3); min-height: 60vh; }
.cart__paytitle { margin: var(--s-3) 0 0; font-size: 1.35rem; font-weight: 300; }
.cart__muted { margin: 0; color: var(--fg-muted); font-size: 0.875rem; }
.cart__spinner { width: 3.25rem; height: 3.25rem; border-radius: 50%; background: conic-gradient(var(--p-fortix), var(--p-pro), var(--p-v), var(--p-aura), var(--p-fortix)); -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px)); mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3px)); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(1turn); } }

@media (max-width: 520px) {
  .cart { width: 100vw; }
  .cart__head, .cart__step, .cart__foot { padding-left: var(--s-4); padding-right: var(--s-4); }
  .field-row { grid-template-columns: 1fr; }
  .field-row--doc { grid-template-columns: 6.5rem 1fr; }
  .cline { grid-template-columns: 2.75rem 1fr auto; gap: var(--s-3); padding-right: var(--s-3); }
  .cline__img { width: 2.75rem; height: 4.75rem; }
  .qty__btn { width: 2.25rem; height: 2.25rem; }
  .ppanel__buy { gap: var(--s-3); }
  .ppanel__add { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .cart[open], .cart-fab, .cline.is-pulse { animation: none; }
  .cart__spinner { animation-duration: 3s; }
}