/* ============================================================
   ELENEX — CART SYSTEM STYLES
   cart.css | v1.0
   Módulos: Badge · Toast · Drawer · Overlay
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --cart-accent:      #000;
  --cart-accent-inv:  #fff;
  --cart-danger:      #e53e3e;
  --cart-muted:       #718096;
  --cart-border:      #e2e8f0;
  --cart-bg:          #fff;
  --cart-shadow:      0 8px 40px rgba(0,0,0,.18);
  --cart-radius:      12px;
  --cart-drawer-w:    460px;
  --cart-anim:        .32s cubic-bezier(.4,0,.2,1);
}

/* ══════════════════════════════════════════════════════════════
   1. BADGE (contador en el icono del carrito)
══════════════════════════════════════════════════════════════ */
.cart-btn { position: relative; display: inline-flex; }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 50px;
  background: var(--cart-danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  line-height: 20px;
  text-align: center;
  pointer-events: none;
  /* Animación de "pop" al actualizarse */
  transition: transform .2s cubic-bezier(.34,1.56,.64,1);
}
.cart-badge.pop { transform: scale(1.4); }

/* ══════════════════════════════════════════════════════════════
   2. TOAST NOTIFICATION (modal ligero post-add)
══════════════════════════════════════════════════════════════ */
.cart-toast-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.35);
  z-index: 9000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--cart-anim);
}
.cart-toast-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.cart-toast {
  background: var(--cart-bg);
  border-radius: var(--cart-radius);
  box-shadow: var(--cart-shadow);
  width: min(480px, calc(100vw - 32px));
  padding: 24px;
  transform: translateY(-20px);
  transition: transform var(--cart-anim);
}
.cart-toast-overlay.show .cart-toast { transform: translateY(0); }

.cart-toast__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-weight: 700;
  font-size: 15px;
  color: #22543d;
}
.cart-toast__header svg { flex-shrink: 0; }

.cart-toast__body {
  display: flex;
  gap: 16px;
  align-items: center;
}
.cart-toast__img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--cart-border);
  flex-shrink: 0;
}
.cart-toast__info { flex: 1; min-width: 0; }
.cart-toast__name {
  font-weight: 600;
  font-size: 14px;
  line-height: 1.4;
  margin-bottom: 4px;
  /* Truncar si es muy largo */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cart-toast__meta { font-size: 13px; color: var(--cart-muted); }
.cart-toast__price { font-weight: 700; font-size: 15px; margin-top: 6px; }

.cart-toast__actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.cart-toast__btn {
  flex: 1;
  padding: 11px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--cart-accent);
  transition: background .18s, color .18s;
  text-align: center;
}
.cart-toast__btn--primary {
  background: var(--cart-accent);
  color: var(--cart-accent-inv);
}
.cart-toast__btn--primary:hover { background: #333; border-color: #333; }
.cart-toast__btn--secondary { background: transparent; color: var(--cart-accent); }
.cart-toast__btn--secondary:hover { background: #f7f7f7; }

/* ══════════════════════════════════════════════════════════════
   3. DRAWER OVERLAY
══════════════════════════════════════════════════════════════ */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 8000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--cart-anim);
}
.cart-overlay.show { opacity: 1; pointer-events: all; }

/* ══════════════════════════════════════════════════════════════
   4. CART DRAWER (panel lateral derecho)
══════════════════════════════════════════════════════════════ */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--cart-drawer-w);
  max-width: 100vw;
  height: 100dvh;          /* dynamic viewport height (mobile-safe) */
  background: var(--cart-bg);
  z-index: 8100;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 32px rgba(0,0,0,.15);
  transform: translateX(100%);
  transition: transform var(--cart-anim);
}
.cart-drawer.open { transform: translateX(0); }

/* — Drawer header — */
.cart-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--cart-border);
  flex-shrink: 0;
}
.cart-drawer__title { font-size: 18px; font-weight: 700; letter-spacing: .3px; }
.cart-drawer__count { font-size: 13px; color: var(--cart-muted); margin-left: 6px; font-weight: 400; }
.cart-drawer__close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  transition: background .15s;
  display: flex;
  align-items: center;
  color: #555;
}
.cart-drawer__close:hover { background: #f0f0f0; }

/* — Items list — */
.cart-drawer__items {
  flex: 1;
  overflow-y: auto;
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
/* Scroll styling */
.cart-drawer__items::-webkit-scrollbar { width: 4px; }
.cart-drawer__items::-webkit-scrollbar-thumb { background: #ddd; border-radius: 4px; }

/* — Empty state — */
.cart-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--cart-muted);
  text-align: center;
  padding: 40px 24px;
}
.cart-empty svg { opacity: .35; }
.cart-empty__title { font-size: 16px; font-weight: 600; color: #333; }
.cart-empty__sub { font-size: 13px; }

/* — Cart item card — */
.cart-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 12px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--cart-border);
  animation: slideInItem .25s ease;
}
@keyframes slideInItem {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}
.cart-item:last-child { border-bottom: none; }

.cart-item__img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--cart-border);
}
.cart-item__info { display: flex; flex-direction: column; gap: 4px; }
.cart-item__name { font-size: 13px; font-weight: 600; line-height: 1.4; }
.cart-item__variant { font-size: 11px; color: var(--cart-muted); }
.cart-item__price { font-size: 13px; color: var(--cart-muted); }
.cart-item__subtotal { font-size: 14px; font-weight: 700; margin-top: 4px; }

/* Quantity controls */
.cart-item__qty {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--cart-border);
  border-radius: 8px;
  overflow: hidden;
  width: fit-content;
  margin-top: 6px;
}
.cart-item__qty-btn {
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s;
  color: #333;
}
.cart-item__qty-btn:hover { background: #f5f5f5; }
.cart-item__qty-val {
  min-width: 28px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  padding: 0 4px;
}

/* Remove button */
.cart-item__remove {
  background: none;
  border: none;
  cursor: pointer;
  color: #bbb;
  padding: 4px;
  border-radius: 4px;
  transition: color .15s, background .15s;
  line-height: 1;
  font-size: 18px;
  align-self: start;
}
.cart-item__remove:hover { color: var(--cart-danger); background: #fff5f5; }

/* — Footer / summary — */
.cart-drawer__footer {
  border-top: 1px solid var(--cart-border);
  padding: 20px 24px 24px;
  flex-shrink: 0;
  background: var(--cart-bg);
}

.cart-summary { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.cart-summary__row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--cart-muted);
}
.cart-summary__row--total {
  font-size: 16px;
  font-weight: 700;
  color: #111;
  padding-top: 10px;
  border-top: 1px solid var(--cart-border);
  margin-top: 4px;
}

.cart-btn-checkout {
  width: 100%;
  padding: 14px;
  background: var(--cart-accent);
  color: var(--cart-accent-inv);
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .3px;
  transition: background .18s, transform .1s;
  margin-bottom: 8px;
}
.cart-btn-checkout:hover { background: #222; }
.cart-btn-checkout:active { transform: scale(.98); }

.cart-btn-empty {
  width: 100%;
  padding: 10px;
  background: none;
  border: 1px solid var(--cart-border);
  border-radius: 10px;
  font-size: 13px;
  color: var(--cart-muted);
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.cart-btn-empty:hover { border-color: var(--cart-danger); color: var(--cart-danger); }

/* ══════════════════════════════════════════════════════════════
   5. RESPONSIVE
══════════════════════════════════════════════════════════════ */
@media (max-width: 520px) {
  :root { --cart-drawer-w: 100vw; }

  .cart-toast { padding: 18px; }
  .cart-toast__img { width: 64px; height: 64px; }

  .cart-drawer__items { padding: 12px 16px; }
  .cart-drawer__footer { padding: 16px; }
}