/* ===== CONFIGURAÇÕES GERAIS ===== */
main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

main > h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 2rem;
  text-align: center;
}

/* ===== MENSAGENS ESTILIZADAS ===== */
.mensagens-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 30px;
}

.mensagem {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 16px 20px;
  border-radius: var(--border-radius);
  border-left: 5px solid;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  font-weight: 500;
  animation: slideIn 0.3s ease-out;
  position: relative;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-20px);
  }
}

.mensagem-conteudo {
  flex: 1;
  font-size: 1rem;
}

.mensagem-fechar {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 1.5rem;
  padding: 0;
  line-height: 1;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.mensagem-fechar:hover {
  transform: scale(1.2);
}

/* ===== TIPOS DE MENSAGENS ===== */
.mensagem-sucesso {
  background: linear-gradient(135deg, #d4edda 0%, #e8f5e9 100%);
  color: #155724;
  border-left-color: #28a745;
}

.mensagem-erro {
  background: linear-gradient(135deg, #f8d7da 0%, #ffebee 100%);
  color: #721c24;
  border-left-color: #dc3545;
}

.mensagem-aviso {
  background: linear-gradient(135deg, #fff3cd 0%, #fff9e6 100%);
  color: #856404;
  border-left-color: #ffc107;
}

.mensagem-info {
  background: linear-gradient(135deg, #d1ecf1 0%, #e3f2fd 100%);
  color: #0c5460;
  border-left-color: #17a2b8;
}

/* ===== MODAL DE CONFIRMAÇÃO ===== */
.modal-confirmacao {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(3px);
}

.modal-conteudo {
  position: relative;
  z-index: 1001;
  background: var(--light-bg);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  max-width: 400px;
  width: 90%;
  text-align: center;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-conteudo p {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 25px;
  font-weight: 500;
}

.modal-botoes {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.modal-cancelar,
.modal-confirmar {
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.modal-cancelar {
  background: var(--secondary-gray);
  color: white;
}

.modal-cancelar:hover {
  background: #6c757d;
  transform: translateY(-2px);
}

.modal-confirmar {
  background: #dc3545;
  color: white;
}

.modal-confirmar:hover {
  background: #c82333;
  transform: translateY(-2px);
}

/* ===== LAYOUT DO CARRINHO ===== */
.carrinho-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: flex-start;
}

/* ===== TABELA DO CARRINHO ===== */
.carrinho {
  width: 100%;
  border-collapse: collapse;
  background: var(--light-bg);
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.carrinho th,
.carrinho td {
  padding: 15px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border-gray);
  color: var(--text-color);
}

.carrinho th {
  background: var(--primary-color);
  color: var(--light-bg);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.carrinho tbody tr:last-child td {
  border-bottom: none;
}

/* ===== IMAGEM DO PRODUTO ===== */
.imagem-produto-carrinho {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: 8px;
  vertical-align: middle;
}

/* ===== AÇÕES DO PRODUTO ===== */
.acoes-produto {
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-remover,
.carrinho button.remover {
  background: #dc3545;
  color: var(--light-bg);
  border: none;
  padding: 10px 15px;
  border-radius: var(--border-radius);
  cursor: pointer;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.3s ease;
}

.btn-remover:hover,
.carrinho button.remover:hover {
  background: #c82333;
}

/* ===== CONTROLE DE QUANTIDADE ===== */
.quantidade-controle {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-quantidade,
.carrinho input.quantidade {
  width: 60px;
  padding: 8px;
  text-align: center;
  border: 1px solid var(--border-gray);
  border-radius: var(--border-radius);
  font-size: 1rem;
  -moz-appearance: textfield;
}

.input-quantidade::-webkit-outer-spin-button,
.input-quantidade::-webkit-inner-spin-button,
.carrinho input.quantidade::-webkit-outer-spin-button,
.carrinho input.quantidade::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.btn-quantidade,
.btn-mais,
.btn-menos {
  border: none;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background 0.3s ease, transform 0.1s;
}

.btn-quantidade {
  background: var(--primary-color);
  color: white;
}

.btn-quantidade:hover {
  background: var(--primary-color-dark);
}

.btn-quantidade:active {
  transform: scale(0.95);
}

.btn-mais {
  background: #28a745;
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 18px;
  width: auto;
  height: auto;
}

.btn-mais:hover {
  background: #218838;
  transform: scale(1.1);
}

.btn-menos {
  background: #dc3545;
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 18px;
  width: auto;
  height: auto;
}

.btn-menos:hover {
  background: #c82333;
  transform: scale(1.1);
}

/* ===== RESUMO DO CARRINHO (SIDEBAR) ===== */
.carrinho-resumo {
  background: var(--light-bg);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  position: sticky;
  top: 20px;
}

.carrinho-resumo h3 {
  border-bottom: 2px solid var(--border-gray);
  padding-bottom: 15px;
  margin-bottom: 20px;
  font-size: 1.4rem;
  color: var(--title-color);
}

.resumo-linha {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-size: 1.1rem;
  color: var(--text-color);
}

.resumo-linha.total {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--title-color);
  padding-top: 15px;
  border-top: 1px solid var(--border-gray);
  margin-top: 20px;
}

#total {
  font-weight: 700;
  color: var(--text-color);
}

/* ===== BOTÃO FINALIZAR COMPRA ===== */
.btn-finalizar-compra,
#finalizar,
#finalizar.bt_finalizar {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--primary-color);
  color: var(--light-bg);
  text-decoration: none;
  font-weight: 700;
  padding: 15px 0;
  border-radius: var(--border-radius);
  margin-top: 25px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(var(--primary-color-rgb), 0.3);
  letter-spacing: 0.5px;
  border: none;
}

.btn-finalizar-compra:hover:not(:disabled),
#finalizar:hover:enabled,
#finalizar.bt_finalizar:hover:enabled {
  background: var(--primary-color-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(var(--primary-color-rgb), 0.4);
}

.btn-finalizar-compra:active:not(:disabled),
#finalizar:active:enabled {
  transform: translateY(-1px);
}

.btn-finalizar-compra:disabled,
#finalizar:disabled,
#finalizar.bt_finalizar:disabled {
  background: var(--secondary-gray);
  color: #ddd;
  cursor: not-allowed;
  box-shadow: none;
  opacity: 0.95;
}

.finalizar-cell {
  text-align: right;
  margin-top: 1rem;
}

/* ===== BARRA DE AÇÕES ===== */
.carrinho-acoes {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
  margin-top: 40px;
  padding: 25px 0;
  border-top: 1px solid var(--border-gray);
}

.btn-continuar-comprando,
.carrinho-vazio a.bt_comprar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--light-bg);
  font-weight: 700;
  background: var(--primary-color);
  padding: 14px 28px;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(var(--primary-color-rgb), 0.2);
}

.btn-continuar-comprando:hover,
.carrinho-vazio a.bt_comprar:hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(var(--primary-color-rgb), 0.3);
}

.btn-continuar-comprando:active {
  transform: translateY(0);
}

.btn-esvaziar-carrinho,
.carrinho tfoot a[href*="operacao=limpar"] > button,
a[href*="operacao=limpar"] > button,
#limpar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--light-bg);
  font-weight: 700;
  background: #dc3545;
  padding: 14px 28px;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.2);
  border: none;
  cursor: pointer;
}

.btn-esvaziar-carrinho:hover,
.carrinho tfoot a[href*="operacao=limpar"] > button:hover:enabled,
a[href*="operacao=limpar"] > button:hover:enabled,
#limpar:hover:enabled {
  background: #c82333;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(220, 53, 69, 0.3);
}

.btn-esvaziar-carrinho:active,
#limpar:active:enabled {
  transform: translateY(0);
}

#limpar:disabled,
.carrinho tfoot a[href*="operacao=limpar"] > button:disabled,
a[href*="operacao=limpar"] > button:disabled {
  background: var(--secondary-gray);
  cursor: not-allowed;
  box-shadow: none;
  color: #eee;
  opacity: 0.95;
}

.bt_comprar {
  margin-top: 1rem;
  background: var(--primary-color);
  color: var(--light-bg);
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius-pill);
  text-decoration: none;
  font-weight: 700;
  transition: background 0.3s ease, transform 0.2s ease;
}

.bt_comprar:hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
}

.bt_carrinho {
  background: var(--primary-color);
  color: var(--light-bg);
}

/* ===== CARRINHO VAZIO ===== */
.carrinho-vazio {
  text-align: center;
  padding: 80px 40px;
  background: linear-gradient(135deg, rgba(var(--primary-color-rgb), 0.03) 0%, rgba(var(--primary-color-rgb), 0.08) 100%);
  border-radius: 20px;
  border: 2px dashed rgba(var(--primary-color-rgb), 0.3);
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.carrinho-vazio::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(var(--primary-color-rgb), 0.05) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.icone-carrinho-vazio {
  font-size: 8rem;
  margin-bottom: 30px;
  display: inline-block;
  position: relative;
  z-index: 1;
  animation: float 3s ease-in-out infinite;
  filter: grayscale(20%);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
}

.carrinho-vazio-conteudo {
  position: relative;
  z-index: 1;
}

.carrinho-vazio h2 {
  font-size: 1.8rem;
  color: var(--title-color);
  margin-bottom: 15px;
  font-weight: 700;
}

.carrinho-vazio p {
  font-size: 1.1rem;
  color: var(--text-color);
  margin-bottom: 35px;
  line-height: 1.6;
  opacity: 0.8;
}

.carrinho-vazio .btn-finalizar-compra {
  display: inline-block;
  width: auto;
  padding: 16px 40px;
  text-decoration: none;
  font-size: 1.05rem;
  box-shadow: 0 6px 20px rgba(var(--primary-color-rgb), 0.3);
}

.carrinho-vazio .btn-finalizar-compra:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(var(--primary-color-rgb), 0.4);
}

/* ===== ALERTA DE ESTOQUE ===== */
.alerta-estoque {
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeeba;
  border-left: 5px solid #ffc107;
  padding: 15px 20px;
  margin-bottom: 30px;
  border-radius: var(--border-radius);
  font-size: 0.95rem;
  box-shadow: var(--box-shadow);
}

.alerta-estoque p {
  margin: 5px 0;
}

.alerta-estoque p:first-child {
  font-weight: bold;
  margin-bottom: 8px;
}

.estoque-info {
  font-size: 0.85rem;
  color: #6c757d;
  margin-top: 5px;
}

.estoque-valor {
  font-weight: 600;
  color: #28a745;
}

/* ===== MEDIA QUERIES ===== */
@media (max-width: 1024px) {
  .carrinho-layout {
    grid-template-columns: 1.8fr 1fr;
    gap: 25px;
  }

  .carrinho-resumo {
    padding: 25px;
  }
}

@media (max-width: 768px) {
  main {
    padding: 20px 15px;
  }

  main > h1 {
    font-size: 1.5rem;
    margin-bottom: 25px;
  }

  .carrinho-layout {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .carrinho-resumo {
    position: static;
    margin-top: 0;
  }

  .carrinho th,
  .carrinho td {
    padding: 10px 6px;
    font-size: 0.8rem;
  }

  .carrinho th:nth-child(1) { width: auto; }
  .carrinho th:nth-child(2) { width: 28%; }
  .carrinho th:nth-child(3),
  .carrinho th:nth-child(5) { display: none; }
  .carrinho td:nth-child(3),
  .carrinho td:nth-child(5) { display: none; }
  .carrinho th:nth-child(4) { width: auto; }
  .carrinho th:nth-child(6) { width: auto; }

  .imagem-produto-carrinho {
    width: 50px;
    height: 50px;
  }

  .quantidade-controle {
    gap: 5px;
  }

  .input-quantidade,
  .carrinho input.quantidade {
    width: 50px;
    padding: 6px;
    font-size: 0.9rem;
  }

  .btn-quantidade,
  .btn-mais,
  .btn-menos {
    width: 28px;
    height: 28px;
    font-size: 1.1rem;
  }

  .btn-remover,
  .carrinho button.remover {
    padding: 8px 12px;
    font-size: 0.8rem;
    gap: 4px;
  }

  .carrinho-acoes {
    flex-direction: column;
    gap: 15px;
    border-top: none;
    padding: 0;
    margin-top: 25px;
  }

  .btn-continuar-comprando,
  .btn-esvaziar-carrinho,
  .carrinho-vazio a.bt_comprar {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 0.95rem;
  }

  .carrinho-vazio {
    padding: 60px 20px;
  }

  .icone-carrinho-vazio {
    font-size: 5rem;
    margin-bottom: 20px;
  }

  .carrinho-vazio h2 {
    font-size: 1.4rem;
    margin-bottom: 12px;
  }

  .carrinho-vazio p {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .carrinho-vazio .btn-finalizar-compra {
    padding: 12px 30px;
    font-size: 1rem;
  }

  .mensagem {
    padding: 12px 16px;
    gap: 12px;
    font-size: 0.95rem;
  }

  .modal-conteudo {
    width: 85%;
    padding: 24px;
  }

  .modal-conteudo p {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .modal-botoes {
    flex-direction: column;
  }

  .modal-cancelar,
  .modal-confirmar {
    width: 100%;
  }

  /* ===== MELHORIAS PARA BOTÕES DESABILITADOS ===== */
.btn-quantidade:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-quantidade:disabled:hover {
    background: inherit;
    transform: none !important;
}

/* ===== MELHORIAS PARA MENSAGENS TEMPORÁRIAS ===== */
.mensagens-container {
    position: relative;
    z-index: 100;
}

.mensagem {
    animation: slideIn 0.3s ease-out;
}

.mensagem.mensagem-saindo {
    animation: slideOut 0.3s ease-out forwards;
}

/* ===== RESPONSIVIDADE ADICIONAL ===== */
@media (max-width: 480px) {
    .mensagem {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .mensagem-conteudo {
        font-size: 0.9rem;
    }
    
    .modal-conteudo {
        padding: 20px;
        margin: 20px;
    }
    
    .modal-conteudo p {
        font-size: 0.95rem;
    }
  }
  /* ===== ESTOQUE DETALHADO ===== */
.estoque-reservado {
    font-size: 0.75rem;
    color: #ffc107;
    background: rgba(255, 193, 7, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 5px;
    font-weight: 500;
}

.estoque-info {
    position: relative;
}

.estoque-info:hover .tooltip-estoque {
    display: block;
}

.tooltip-estoque {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.tooltip-estoque::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 10px;
    border: 5px solid transparent;
    border-top-color: #333;
}
}