/* ============================================================
   CART SYSTEM — StellarVertex
   Requiere: style1.css (variables del design system)
   ============================================================ */

/* ─────────────────────────────────────────────
   CART TRIGGER — Botón en la nav
   ───────────────────────────────────────────── */
.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.cart-trigger {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 6px 14px;
  cursor: pointer;
  transition: all var(--t-fast);
}
.cart-trigger:hover {
  color: var(--text-primary);
  border-color: var(--border-hi);
  background: rgba(255,255,255,0.03);
}
.cart-trigger.has-items {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
}
.cart-trigger.has-items:hover {
  background: rgba(125, 211, 125, 0.16);
  box-shadow: 0 0 16px var(--accent-glow);
}

.cart-trigger__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 13px;
  height: 13px;
}
.cart-trigger__icon svg {
  width: 13px;
  height: 13px;
  display: block;
}

.cart-trigger__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background: var(--accent);
  color: #021002;
  font-size: 0.6rem;
  font-weight: 700;
  border-radius: var(--r-full);
  line-height: 1;
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.18s ease;
}
.cart-trigger__count.hidden {
  opacity: 0;
  transform: scale(0.4);
  pointer-events: none;
}

/* ─────────────────────────────────────────────
   OVERLAY
   ───────────────────────────────────────────── */
.cart-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.60);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.cart-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* ─────────────────────────────────────────────
   DRAWER
   ───────────────────────────────────────────── */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 201;
  width: 420px;
  max-width: 100vw;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.34s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -32px 0 80px rgba(0, 0, 0, 0.5);
}
.cart-drawer.open {
  transform: translateX(0);
}

/* Glow decorativo en el lateral del drawer */
.cart-drawer::before {
  content: '';
  position: absolute;
  top: 20%;
  left: -1px;
  width: 1px;
  height: 30%;
  background: linear-gradient(to bottom, transparent, var(--accent-border), transparent);
  pointer-events: none;
}

/* ─────────────────────────────────────────────
   DRAWER — HEADER
   ───────────────────────────────────────────── */
.cart-drawer__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1.4rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.cart-drawer__header-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.cart-drawer__header-meta .label {
  font-size: 0.62rem;
}
.cart-drawer__header-meta h3 {
  font-size: 1.1rem;
  line-height: 1.2;
}

.cart-drawer__close {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all var(--t-fast);
  flex-shrink: 0;
}
.cart-drawer__close:hover {
  color: var(--text-primary);
  border-color: var(--border-hi);
  background: var(--bg-card-hover);
}

/* ─────────────────────────────────────────────
   DRAWER — BODY
   ───────────────────────────────────────────── */
.cart-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.cart-drawer__body::-webkit-scrollbar { width: 3px; }
.cart-drawer__body::-webkit-scrollbar-track { background: transparent; }
.cart-drawer__body::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

/* ─────────────────────────────────────────────
   ESTADO VACÍO
   ───────────────────────────────────────────── */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 260px;
  text-align: center;
  gap: 0.6rem;
}
.cart-empty__icon {
  width: 60px;
  height: 60px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}
.cart-empty h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}
.cart-empty p {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 190px;
  line-height: 1.55;
}

/* ─────────────────────────────────────────────
   ITEM DEL CARRITO
   ───────────────────────────────────────────── */
.cart-item {
  display: flex;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
  animation: cartItemIn 0.22s ease both;
}
.cart-item:last-child { border-bottom: none; }

@keyframes cartItemIn {
  from { opacity: 0; transform: translateX(10px); }
  to   { opacity: 1; transform: translateX(0); }
}

.cart-item__icon {
  width: 46px;
  height: 46px;
  min-width: 46px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.cart-item__info {
  flex: 1;
  min-width: 0;
}
.cart-item__name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cart-item__detail {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin-bottom: 7px;
}
.cart-item__price {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.cart-item__price span {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 2px;
}

.cart-item__controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  flex-shrink: 0;
}

/* Controles de cantidad */
.cart-item__qty {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 3px 8px;
}
.cart-item__qty-btn {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50%;
  transition: color var(--t-fast), background var(--t-fast);
  line-height: 1;
  padding: 0;
}
.cart-item__qty-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}
.cart-item__qty-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 16px;
  text-align: center;
}

.cart-item__remove {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0;
  transition: color var(--t-fast);
}
.cart-item__remove:hover { color: #e87d7d; }

/* ─────────────────────────────────────────────
   DRAWER — FOOTER
   ───────────────────────────────────────────── */
.cart-drawer__footer {
  padding: 1.2rem 1.5rem 1.4rem;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.cart-summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--border);
}
.cart-summary__label {
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.cart-summary__value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}
.cart-summary__value span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 4px;
}

.cart-note {
  font-family: var(--font-mono);
  font-size: 0.60rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

.cart-drawer__footer .btn--wap {
  width: 100%;
  justify-content: center;
  background: var(--accent);
  color: #021002;
  border-color: var(--accent);
  font-weight: 600;
  padding: 12px 22px;
}
.cart-drawer__footer .btn--wap:hover {
  background: #91db91;
  box-shadow: 0 0 28px var(--accent-glow);
}

.cart-footer-alt {
  display: flex;
  gap: 0.5rem;
}
.cart-footer-alt .btn {
  flex: 1;
  justify-content: center;
  font-size: 0.76rem;
  padding: 8px 12px;
}

/* ─────────────────────────────────────────────
   TOAST DE CONFIRMACIÓN
   ───────────────────────────────────────────── */
.cart-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(72px);
  z-index: 300;
  background: var(--bg-card-hover);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-full);
  padding: 10px 18px 10px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow:
    0 8px 32px rgba(0,0,0,0.45),
    0 0 0 1px rgba(125,211,125,0.15),
    0 0 20px var(--accent-glow);
  transition:
    transform 0.32s cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity 0.28s ease;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
}
.cart-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.cart-toast__check {
  width: 26px;
  height: 26px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: var(--r-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────
   BOTÓN "AGREGAR AL CARRITO"
   ───────────────────────────────────────────── */
.btn-add-cart {
  transition: all var(--t-mid);
  position: relative;
  overflow: hidden;
}
.btn-add-cart.adding {
  /* feedback al hacer clic */
  transform: scale(0.97);
}
.btn-add-cart.added {
  background: var(--accent-dim) !important;
  border-color: var(--accent-border) !important;
  color: var(--accent) !important;
  pointer-events: none;
}

/* ─────────────────────────────────────────────
   RESPONSIVO
   ───────────────────────────────────────────── */
@media (max-width: 480px) {
  .cart-drawer { width: 100vw; }
  .cart-trigger__label { display: none; }
  .cart-toast { bottom: 1rem; }
}