/* carrinho.css - L&A Pescados e Mariscos
 * CSS OTIMIZADO PARA PERFORMANCE E ACESSIBILIDADE
 * Compatível com carrinho.js otimizado
 */

/* === VARIÁVEIS CSS CONSISTENTES === */
:root {
  --azul-marinho: #072042;
  --azul-escuro: #0a2a5e;
  --azul-claro: #4fd1c7;
  --verde-agua: #6fcf97;
  --branco: #ffffff;
  --cinza-claro: #f5f7fa;
  --cinza-medio: #e2e8f0;
  --cinza-escuro: #334155;
  --sucesso: #22c55e;
  --erro: #ef4444;
  --gradient-header: linear-gradient(135deg, #072042 0%, #0a2a5e 50%, #1e4d7b 100%);
  --gradient-primary: linear-gradient(45deg, #4fd1c7, #6fcf97);
  --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
  --card-shadow: 0 10px 30px rgba(7, 32, 66, 0.08);
  --card-shadow-hover: 0 20px 40px rgba(7, 32, 66, 0.15);
  --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --border-radius: 12px;
  --border-radius-lg: 16px;
}

/* === OVERLAY DO CARRINHO === */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 32, 66, 0.9);
  backdrop-filter: blur(8px);
  display: none;
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cart-overlay.active {
  display: block;
  opacity: 1;
}

.cart-overlay[aria-hidden="true"] {
  display: none;
}

.cart-overlay[aria-hidden="false"] {
  display: block;
}

/* === POPUP PRINCIPAL DO CARRINHO === */
.cart-popup {
  position: fixed;
  right: -100%;
  top: 0;
  height: 100vh;
  width: min(90vw, 480px);
  background: var(--gradient-header);
  color: var(--branco);
  padding: 0;
  box-shadow: -10px 0 50px rgba(7, 32, 66, 0.5);
  z-index: 9999;
  transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.cart-popup.active {
  right: 0;
}

.cart-popup[aria-hidden="true"] {
  right: -100%;
}

.cart-popup[aria-hidden="false"] {
  right: 0;
}

/* === HEADER DO CARRINHO === */
.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 32, 66, 0.5);
  backdrop-filter: blur(10px);
}

.cart-header h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--branco);
  font-family: 'Poppins', sans-serif;
}

.close-cart {
  background: rgba(255, 255, 255, 0.1);
  color: var(--branco);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.close-cart:hover,
.close-cart:focus {
  background: var(--erro);
  color: var(--branco);
  transform: scale(1.1);
  outline: none;
}

/* === CONTEÚDO DO CARRINHO === */
.cart-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

.cart-content::-webkit-scrollbar {
  width: 6px;
}

.cart-content::-webkit-scrollbar-track {
  background: transparent;
  border-radius: 3px;
}

.cart-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
}

.cart-content::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* === MENSAGEM DE CARRINHO VAZIO === */
.empty-cart-message {
  text-align: center;
  padding: 60px 20px;
  display: none;
}

.empty-cart-message[aria-hidden="false"] {
  display: block;
}

.empty-cart-message .icon {
  font-size: 64px;
  margin-bottom: 20px;
  opacity: 0.5;
  color: var(--azul-claro);
}

.empty-cart-message h4 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--branco);
  font-family: 'Poppins', sans-serif;
}

.empty-cart-message p {
  opacity: 0.8;
  margin-bottom: 24px;
  line-height: 1.5;
}

.btn-add-products {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient-primary);
  color: var(--branco);
  text-decoration: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition-smooth);
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-add-products:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 209, 199, 0.3);
}

/* === LISTA DE ITENS DO CARRINHO === */
#cart-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 16px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition-smooth);
  animation: slideInCart 0.4s ease forwards;
}

.cart-item:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(7, 32, 66, 0.2);
}

@keyframes slideInCart {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* === METADADOS DO ITEM === */
.cart-item .meta {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  flex: 1;
  min-width: 0;
}

.cart-item .meta img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 15px rgba(7, 32, 66, 0.3);
  flex-shrink: 0;
}

.cart-item .details {
  flex: 1;
  min-width: 0;
}

.cart-item .name {
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--branco);
  line-height: 1.3;
  font-family: 'Poppins', sans-serif;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cart-item .unit {
  font-size: 14px;
  opacity: 0.8;
  color: var(--azul-claro);
  margin-bottom: 8px;
}

.cart-item .item-total {
  font-size: 16px;
  font-weight: 800;
  color: var(--azul-claro);
  font-family: 'Poppins', sans-serif;
}

/* === CONTROLES DO ITEM === */
.cart-item .controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
  flex-shrink: 0;
}

/* === CONTROLES DE QUANTIDADE === */
.qty-row {
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  padding: 8px;
}

.qty-row button {
  background: var(--branco);
  color: var(--azul-marinho);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  font-family: 'Montserrat', sans-serif;
}

.qty-row button:hover,
.qty-row button:focus {
  background: var(--azul-claro);
  color: var(--branco);
  transform: scale(1.1);
  outline: none;
}

.qty-row button:active {
  transform: scale(0.95);
}

.qty-row .quantity {
  min-width: 40px;
  text-align: center;
  font-weight: 700;
  font-size: 16px;
  color: var(--branco);
  font-family: 'Poppins', sans-serif;
}

/* === BOTÃO REMOVER ITEM === */
.btn-remove {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--border-radius);
  padding: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: #fca5a5;
}

.btn-remove:hover,
.btn-remove:focus {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--erro);
  color: var(--erro);
  transform: scale(1.1);
  outline: none;
}

.btn-remove i {
  font-size: 18px;
}

/* === FORMULÁRIO DO CARRINHO === */
.cart-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 20px 0;
  padding: 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--azul-claro);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cart-form input {
  padding: 14px 16px;
  border-radius: var(--border-radius);
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: var(--branco);
  outline: none;
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  transition: var(--transition-smooth);
}

.cart-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.cart-form input:focus {
  border-color: var(--azul-claro);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 3px rgba(79, 209, 199, 0.1);
}

/* === FOOTER DO CARRINHO === */
.cart-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px;
  background: rgba(7, 32, 66, 0.5);
  backdrop-filter: blur(10px);
  margin-top: auto;
}

.cart-total {
  font-weight: 800;
  font-size: 24px;
  text-align: center;
  margin-bottom: 20px;
  color: var(--azul-claro);
  font-family: 'Poppins', sans-serif;
  text-shadow: 0 2px 8px rgba(7, 32, 66, 0.4);
}

.cart-actions {
  display: flex;
  gap: 12px;
}

.cart-actions button {
  flex: 1;
  padding: 16px 20px;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: 'Montserrat', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-clear {
  background: linear-gradient(45deg, #ef4444, #dc2626);
  color: var(--branco);
}

.btn-clear:hover,
.btn-clear:focus {
  background: linear-gradient(45deg, #dc2626, #b91c1c);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.3);
  outline: none;
}

.btn-checkout {
  background: var(--gradient-primary);
  color: var(--branco);
}

.btn-checkout:hover,
.btn-checkout:focus {
  background: linear-gradient(45deg, #3bc9be, #5cbf85);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79, 209, 199, 0.3);
  outline: none;
}

/* === FEEDBACK MENSAGENS === */
.cart-feedback {
  position: fixed;
  top: 100px;
  right: 20px;
  padding: 16px 24px;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow-hover);
  z-index: 10000;
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
  font-weight: 600;
  max-width: 300px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cart-feedback.success {
  background: var(--sucesso);
  color: var(--branco);
}

.cart-feedback.error {
  background: var(--erro);
  color: var(--branco);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* === BADGE DO CARRINHO (HEADER) === */
.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background: linear-gradient(45deg, #ef4444, #dc2626);
  color: var(--branco);
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
  transform-origin: center;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  opacity: 0;
  transform: scale(0);
  pointer-events: none;
  font-family: 'Montserrat', sans-serif;
}

.cart-count.visible {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.cart-count.pulse {
  animation: pulseBadge 0.6s ease;
}

@keyframes pulseBadge {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

/* === ACESSIBILIDADE === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cart-popup:focus-visible {
  outline: 2px solid var(--azul-claro);
  outline-offset: 2px;
}

/* === RESPONSIVIDADE === */
@media (max-width: 768px) {
  .cart-popup {
    width: 100vw;
    max-width: 100vw;
  }
  
  .cart-header {
    padding: 20px 16px 16px;
  }
  
  .cart-header h3 {
    font-size: 20px;
  }
  
  .cart-content {
    padding: 16px;
  }
  
  .cart-item {
    padding: 14px;
    gap: 14px;
  }
  
  .cart-item .meta img {
    width: 60px;
    height: 60px;
  }
  
  .cart-form {
    padding: 16px;
    margin: 16px 0;
  }
  
  .cart-footer {
    padding: 16px;
  }
  
  .cart-actions {
    flex-direction: column;
  }
  
  .cart-actions button {
    padding: 14px 16px;
  }
  
  .cart-feedback {
    top: 80px;
    right: 10px;
    left: 10px;
    max-width: none;
  }
}

@media (max-width: 480px) {
  .cart-header {
    padding: 16px 12px 12px;
  }
  
  .cart-content {
    padding: 12px;
  }
  
  .cart-item {
    padding: 12px;
    gap: 12px;
    flex-direction: column;
    align-items: stretch;
  }
  
  .cart-item .meta {
    gap: 12px;
  }
  
  .cart-item .meta img {
    width: 50px;
    height: 50px;
  }
  
  .cart-item .controls {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
  }
  
  .qty-row {
    margin: 0;
  }
  
  .cart-form {
    padding: 12px;
    margin: 12px 0;
  }
  
  .cart-form input {
    padding: 12px 14px;
  }
  
  .cart-footer {
    padding: 12px;
  }
  
  .cart-total {
    font-size: 20px;
    margin-bottom: 16px;
  }
}

@media (max-width: 320px) {
  .cart-item .details .name {
    font-size: 14px;
  }
  
  .qty-row button {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }
  
  .btn-remove {
    width: 36px;
    height: 36px;
  }
}

/* === REDUCED MOTION SUPPORT === */
@media (prefers-reduced-motion: reduce) {
  .cart-popup,
  .cart-item,
  .cart-feedback,
  .cart-count,
  .qty-row button,
  .btn-remove,
  .cart-actions button,
  .btn-add-products {
    animation: none;
    transition: none;
  }
  
  .cart-popup {
    transition: right 0.1s ease;
  }
}

/* === DARK MODE SUPPORT === */
@media (prefers-color-scheme: dark) {
  .cart-popup {
    background: var(--azul-escuro);
  }
}

/* === HIGH CONTRAST MODE SUPPORT === */
@media (prefers-contrast: high) {
  .cart-item {
    border: 2px solid var(--branco);
  }
  
  .cart-form input {
    border: 2px solid var(--branco);
  }
  
  .qty-row button {
    border: 2px solid var(--branco);
  }
  
  .btn-remove {
    border: 2px solid var(--erro);
  }
}