/* ===========================
   CARRITO — EL GUZZ
   =========================== */

/* BOTÓN FLOTANTE CARRITO */
.cart-float-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 58px;
  height: 58px;
  background: var(--red);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 9000;
  box-shadow: 0 4px 20px rgba(204,0,0,0.5);
  transition: transform 0.3s, box-shadow 0.3s;
}
.cart-float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(204,0,0,0.7);
}
.cart-float-btn.shake {
  animation: cartShake 0.4s ease;
}
@keyframes cartShake {
  0%,100% { transform: rotate(0deg) scale(1); }
  20%      { transform: rotate(-12deg) scale(1.1); }
  40%      { transform: rotate(10deg) scale(1.1); }
  60%      { transform: rotate(-8deg) scale(1.05); }
  80%      { transform: rotate(6deg) scale(1.05); }
}

/* BADGE */
.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 22px;
  height: 22px;
  background: var(--white);
  color: var(--red);
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 900;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.cart-badge.pop {
  animation: badgePop 0.35s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}
@keyframes badgePop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.5); }
  100% { transform: scale(1); }
}

/* OVERLAY */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.cart-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* PANEL LATERAL */
.cart-panel {
  position: fixed;
  top: 0;
  right: -420px;
  width: 100%;
  max-width: 420px;
  height: 100vh;
  background: var(--black-2);
  border-left: 2px solid var(--red);
  z-index: 9200;
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
}
.cart-panel.open { right: 0; }

/* Zona scrollable = lista + empty juntos */
.cart-scroll-zone {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.cart-scroll-zone::-webkit-scrollbar { width: 4px; }
.cart-scroll-zone::-webkit-scrollbar-track { background: #111; }
.cart-scroll-zone::-webkit-scrollbar-thumb { background: var(--red); }

/* HEADER DEL PANEL */
.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid #2a2a2a;
  background: var(--black-3);
  flex-shrink: 0;
}
.cart-header h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.cart-header h3 i { color: var(--red); }
.cart-close-btn {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0.3rem;
  transition: color 0.2s;
}
.cart-close-btn:hover { color: var(--white); }

/* LISTA DE ITEMS */
.cart-list {
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* EMPTY STATE */
.cart-empty {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 3rem 2rem;
  color: var(--gray);
  text-align: center;
  border-top: 1px solid #1a1a1a;
}
.cart-empty i { font-size: 3rem; color: #333; }
.cart-empty p { font-size: 0.9rem; }

/* ITEM */
.cart-item {
  background: var(--black-3);
  border: 1px solid #2a2a2a;
  padding: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: border-color 0.2s;
  animation: cartItemIn 0.3s ease both;
}
@keyframes cartItemIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.cart-item:hover { border-color: #444; }

.cart-item-img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid #333;
}

.cart-item-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}
.cart-item-name {
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cart-item-unit {
  font-size: 0.72rem;
  color: var(--gray);
}
.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.2rem;
}
.cart-qty-btn {
  width: 26px;
  height: 26px;
  background: #222;
  border: 1px solid #333;
  color: var(--white);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  line-height: 1;
  flex-shrink: 0;
}
.cart-qty-btn:hover { background: var(--red); border-color: var(--red); }
.cart-qty {
  min-width: 22px;
  text-align: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.cart-item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.4rem;
  flex-shrink: 0;
}
.cart-item-subtotal {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--red);
  white-space: nowrap;
}
.cart-delete-btn {
  background: none;
  border: none;
  color: #555;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.2rem;
  transition: color 0.2s;
}
.cart-delete-btn:hover { color: var(--red); }

/* FOOTER DEL PANEL */
.cart-footer {
  border-top: 1px solid #2a2a2a;
  padding: 1.2rem 1.5rem;
  background: var(--black-3);
  flex-shrink: 0;
}
.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.cart-total-label {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
}
.cart-total-amount {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--red);
}
.cart-checkout-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--red);
  color: var(--white);
  border: 2px solid var(--red);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.9rem;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.cart-checkout-btn:hover:not(:disabled) {
  background: transparent;
  color: var(--red);
}
.cart-checkout-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── MODAL CHECKOUT ── */
.checkout-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 9500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.checkout-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.checkout-modal {
  background: var(--black-2);
  border: 1px solid #2a2a2a;
  border-top: 3px solid var(--red);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.3s;
}
.checkout-modal-overlay.open .checkout-modal {
  transform: translateY(0);
}
.checkout-modal::-webkit-scrollbar { width: 4px; }
.checkout-modal::-webkit-scrollbar-thumb { background: var(--red); }

.checkout-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid #2a2a2a;
  background: var(--black-3);
  position: sticky;
  top: 0;
  z-index: 1;
}
.checkout-modal-header h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.checkout-modal-header h3 i { color: var(--red); }
.checkout-close-btn {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 1.2rem;
  cursor: pointer;
  transition: color 0.2s;
}
.checkout-close-btn:hover { color: var(--white); }

.checkout-modal-body { padding: 1.5rem; }

/* Resumen */
.checkout-summary {
  background: var(--black-3);
  border: 1px solid #2a2a2a;
  padding: 1rem;
  margin-bottom: 1.5rem;
}
.checkout-summary-title {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.75rem;
}
.checkout-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--gray-light);
  padding: 0.3rem 0;
  border-bottom: 1px solid #1e1e1e;
}
.checkout-item:last-child { border-bottom: none; }
.checkout-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid #333;
}
.checkout-total-row span:first-child {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
}
.checkout-total-row span:last-child {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--red);
}

/* Formulario */
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.form-group label i { color: var(--red); font-size: 0.8rem; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--black-3);
  border: 1px solid #333;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--red); }
.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #ff4444;
  animation: inputShake 0.3s ease;
}
@keyframes inputShake {
  0%,100% { transform: translateX(0); }
  25%      { transform: translateX(-6px); }
  75%      { transform: translateX(6px); }
}
.form-group select option { background: var(--black-2); }
.form-group textarea { resize: vertical; min-height: 70px; }

#addressFields {
  display: none;
  flex-direction: column;
  gap: 1rem;
}

.checkout-submit-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: #25D366;
  color: var(--white);
  border: none;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1rem;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background 0.3s, transform 0.2s;
}
.checkout-submit-btn:hover {
  background: #1ebe5a;
  transform: translateY(-2px);
}
.checkout-submit-btn i { font-size: 1.1rem; }

/* RESPONSIVE */
@media (max-width: 480px) {
  .cart-panel { max-width: 100%; }
  .checkout-modal { max-height: 95vh; }
}

/* ── EXTRAS EN BURGERS ── */