/* ============================================================
   LUMORA Coffee Lab — Cart Drawer
   Sesión B — estilos del carrito embebido
   ============================================================ */

/* ── Overlay ───────────────────────────────────────────────── */
#cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.6);
  z-index: 9000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--mid) var(--ease-out),
              visibility var(--mid) var(--ease-out);
}

#cart-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ── Drawer panel ──────────────────────────────────────────── */
#cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 400px;
  max-width: 100vw;
  background: var(--bg-mid);
  border-left: 1px solid var(--separator);
  z-index: 9001;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--slow) var(--ease-out);
}

#cart-drawer.active {
  transform: translateX(0);
}

/* ── Header ────────────────────────────────────────────────── */
.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--separator);
  flex-shrink: 0;
}

.cart-header__title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.cart-header__count {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--terracota);
  letter-spacing: 0.1em;
}

.cart-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  min-width: 44px;
  min-height: 44px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--fast);
}

.cart-close:hover {
  color: var(--text);
}

.cart-close svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.5;
}

/* ── Items list ────────────────────────────────────────────── */
.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 0 28px;
  scrollbar-width: thin;
  scrollbar-color: var(--text-dim) transparent;
}

.cart-items::-webkit-scrollbar {
  width: 3px;
}
.cart-items::-webkit-scrollbar-track {
  background: transparent;
}
.cart-items::-webkit-scrollbar-thumb {
  background: var(--text-dim);
}

/* ── Item ──────────────────────────────────────────────────── */
.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 16px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--separator);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item__name {
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 400;
  color: var(--text);
  grid-column: 1;
  grid-row: 1;
}

.cart-item__variant {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  grid-column: 1;
  grid-row: 2;
  margin-top: 2px;
}

.cart-item__price {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  grid-column: 2;
  grid-row: 1;
  text-align: right;
}

/* ── Quantity controls ─────────────────────────────────────── */
.cart-item__qty {
  display: flex;
  align-items: center;
  gap: 0;
  grid-column: 1;
  grid-row: 3;
  margin-top: 10px;
}

.cart-qty-btn {
  background: none;
  border: 1px solid var(--separator);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--fast), color var(--fast);
  border-radius: 0;
}

.cart-qty-btn:hover {
  border-color: var(--terracota);
  color: var(--text);
}

.cart-qty-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  width: 36px;
  text-align: center;
  border-top: 1px solid var(--separator);
  border-bottom: 1px solid var(--separator);
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-item__remove {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0;
  margin-left: 12px;
  transition: color var(--fast);
  text-transform: uppercase;
  text-decoration: none;
}

.cart-item__remove:hover {
  color: var(--terracota);
}

/* ── Carrito vacío ─────────────────────────────────────────── */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 40px 28px;
  text-align: center;
  gap: 12px;
}

.cart-empty__text {
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 300;
  color: var(--text-muted);
}

.cart-empty__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

/* ── Footer del drawer ─────────────────────────────────────── */
.cart-footer {
  padding: 24px 28px;
  border-top: 1px solid var(--separator);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cart-subtotal {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cart-subtotal__label {
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 300;
  color: var(--text-muted);
}

.cart-subtotal__amount {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text);
}

.cart-subtotal__note {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-align: right;
  margin-top: -8px;
}

/* ── Botones del footer ────────────────────────────────────── */
.cart-btn-checkout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--terracota);
  color: var(--bg);
  border: none;
  padding: 14px 24px;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 0;
  transition: opacity var(--fast);
  width: 100%;
  text-decoration: none;
}

.cart-btn-checkout:hover {
  opacity: 0.9;
}

.cart-btn-checkout:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.cart-btn-checkout .btn-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(10,10,10,0.3);
  border-top-color: var(--bg);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

.cart-btn-checkout.loading .btn-spinner {
  display: block;
}

.cart-btn-checkout.loading .btn-text {
  display: none;
}

.cart-btn-continue {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 300;
  cursor: pointer;
  padding: 0;
  text-align: center;
  transition: color var(--fast);
  width: 100%;
}

.cart-btn-continue:hover {
  color: var(--text);
}

/* ── Animación spinner ─────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width: 768px) {
  #cart-drawer {
    width: 100vw;
    max-width: 100vw;
  }

  .cart-header {
    padding: 20px 20px;
  }

  .cart-items {
    padding: 0 20px;
  }

  .cart-footer {
    padding: 20px 20px;
  }
}

/* ── Icono carrito en nav ──────────────────────────────────── */
.nav-cart-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  padding: 4px 8px;
  position: relative;
  transition: color var(--fast);
}

.nav-cart-btn:hover {
  color: var(--text);
}

#cart-count {
  position: absolute;
  top: -2px;
  right: 0;
  background: var(--terracota);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}