:root {
  --cor-principal: #2c3e50;
  --cor-secundaria: #e74c3c;
  --cor-texto: #333;
  --cor-fundo: #f5f5f5;
  --cor-card: #fff;
  --cor-borda: #ddd;
  --cor-texto-secundario: #777;
  --cor-sombra: rgba(0, 0, 0, 0.1);
}

.dark-theme {
  --cor-principal: #3498db;
  --cor-secundaria: #e74c3c;
  --cor-texto: #f5f5f5;
  --cor-fundo: #121212;
  --cor-card: #1e1e1e;
  --cor-borda: #333;
  --cor-texto-secundario: #aaa;
  --cor-sombra: rgba(0, 0, 0, 0.3);
}

/* Estilos globais */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  transition: background-color 0.3s, color 0.3s;
}

body {
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Barra de navegação */
.navbar {
  background-color: var(--cor-principal);
  color: white;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px var(--cor-sombra);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container img {
  height: 150px;
  width: 150px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 4px;
}

.nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-icons {
  display: flex;
  align-items: center;
  gap: 15px;
}

.theme-btn {
  background: none;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 5px;
}

.cart-icon {
  position: relative;
  cursor: pointer;
  color: white;
  font-size: 1.2rem;
}

.cart-icon i {
  padding: 5px;
}

#cart-count {
  position: absolute;
  top: -5px;
  right: -5px;
  background-color: var(--cor-secundaria);
  color: white;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Banner */
.banner-container {
  width: 100%;
  overflow: hidden;
  margin-bottom: 30px;
}

.banner-container img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
}

/* Seção de produtos */
.products-section {
  padding: 40px 0;
}

.products-section h2 {
  text-align: center;
  margin-bottom: 30px;
  color: var(--cor-principal);
  font-size: 2rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 25px;
  justify-content: center;
}

.search-box {
  display: flex;
  flex: 1;
  min-width: 250px;
  max-width: 400px;
}

.search-box input {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--cor-borda);
  border-radius: 4px 0 0 4px;
  background-color: var(--cor-card);
  color: var(--cor-texto);
}

.search-box button {
  background-color: var(--cor-principal);
  color: white;
  border: none;
  padding: 0 15px;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
}

select {
  padding: 10px;
  border: 1px solid var(--cor-borda);
  border-radius: 4px;
  background-color: var(--cor-card);
  color: var(--cor-texto);
  min-width: 150px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 25px;
}

.product-card {
  background-color: var(--cor-card);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 10px var(--cor-sombra);
  transition: transform 0.3s;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-5px);
}

.product-image {
  height: 200px;
  width: 100%;
  overflow: hidden;
  position: relative;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-info {
  padding: 15px;
}

.product-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--cor-texto);
  font-weight: 600;
}

.product-category {
  font-size: 0.9rem;
  color: var(--cor-texto-secundario);
  margin-bottom: 8px;
}

.product-price {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--cor-secundaria);
  margin-bottom: 15px;
}

.product-sizes {
  display: flex;
  gap: 5px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.size-btn {
  padding: 5px 10px;
  border: 1px solid var(--cor-borda);
  border-radius: 4px;
  background-color: transparent;
  color: var(--cor-texto);
  cursor: pointer;
  font-size: 0.8rem;
}

.size-btn.selected {
  background-color: var(--cor-principal);
  color: white;
  border-color: var(--cor-principal);
}

.add-to-cart {
  width: 100%;
  padding: 10px;
  background-color: var(--cor-principal);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.3s;
}

.add-to-cart:hover {
  background-color: var(--cor-secundaria);
}

/* Seção de cupons */
.coupons-section {
  padding: 40px 0;
  background-color: var(--cor-card);
}

.coupons-section h2 {
  text-align: center;
  margin-bottom: 30px;
  color: var(--cor-principal);
}

.coupons-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.coupon-card {
  background-color: var(--cor-fundo);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 3px 10px var(--cor-sombra);
  border: 2px dashed var(--cor-secundaria);
  text-align: center;
}

.coupon-code {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--cor-secundaria);
  margin-bottom: 10px;
}

.coupon-value {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.coupon-validity {
  font-size: 0.9rem;
  color: var(--cor-texto-secundario);
  margin-bottom: 15px;
}

.coupon-conditions {
  font-size: 0.8rem;
  color: var(--cor-texto-secundario);
}

/* Rodapé */
footer {
  background-color: var(--cor-principal);
  color: white;
  padding: 40px 0 20px;
  margin-top: 50px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.footer-section h3 {
  margin-bottom: 15px;
  font-size: 1.2rem;
}

.footer-section p {
  margin-bottom: 10px;
}

.footer-section i {
  margin-right: 8px;
}

.payment-methods {
  display: flex;
  gap: 15px;
  font-size: 1.5rem;
}

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

/* Modal do carrinho */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1001;
  overflow-y: auto;
}

.modal-content {
  background-color: var(--cor-card);
  margin: 50px auto;
  padding: 25px;
  border-radius: 8px;
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 4px 20px var(--cor-sombra);
  position: relative;
}

.close {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 24px;
  color: var(--cor-texto-secundario);
  cursor: pointer;
}

.close:hover {
  color: var(--cor-texto);
}

.cart-items {
  margin-bottom: 20px;
}

.cart-item {
  display: flex;
  gap: 15px;
  padding: 15px 0;
  border-bottom: 1px solid var(--cor-borda);
}

.cart-item-img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 4px;
}

.cart-item-details {
  flex: 1;
}

.cart-item-title {
  font-weight: 600;
  margin-bottom: 5px;
}

.cart-item-info {
  font-size: 0.9rem;
  color: var(--cor-texto-secundario);
  margin-bottom: 5px;
}

.cart-item-price {
  font-weight: bold;
  color: var(--cor-secundaria);
}

.cart-item-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.quantity-btn {
  width: 25px;
  height: 25px;
  border: 1px solid var(--cor-borda);
  background-color: transparent;
  border-radius: 4px;
  cursor: pointer;
  color: var(--cor-texto);
}

.remove-item {
  background: none;
  border: none;
  color: var(--cor-secundaria);
  cursor: pointer;
  font-size: 0.9rem;
}

.coupon-box {
  display: flex;
  margin-bottom: 15px;
}

.coupon-box input {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--cor-borda);
  border-radius: 4px 0 0 4px;
  background-color: var(--cor-card);
  color: var(--cor-texto);
}

.coupon-box button {
  background-color: var(--cor-principal);
  color: white;
  border: none;
  padding: 0 15px;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
}

#coupon-message {
  margin-bottom: 15px;
  font-size: 0.9rem;
  min-height: 20px;
}

.cart-totals {
  border-top: 1px solid var(--cor-borda);
  padding-top: 15px;
  margin-bottom: 20px;
}

.cart-totals p {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.checkout-btn {
  width: 100%;
  padding: 12px;
  background-color: var(--cor-secundaria);
  color: white;
  border: none;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
}

.checkout-btn:hover {
  background-color: color-mix(in srgb, var(--cor-secundaria), black 15%);
}

/* Modal de checkout */
#checkout-form .form-group {
  margin-bottom: 15px;
}

#checkout-form label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

#checkout-form input,
#checkout-form select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--cor-borda);
  border-radius: 4px;
  background-color: var(--cor-card);
  color: var(--cor-texto);
}

.form-row {
  display: flex;
  gap: 15px;
}

.form-row .form-group {
  flex: 1;
}

/* Modal de detalhes do produto */
.modal-produto {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  overflow-y: auto;
}

.modal-produto-content {
  background-color: var(--cor-card);
  margin: 2% auto;
  padding: 25px;
  border-radius: 8px;
  width: 90%;
  max-width: 900px;
  box-shadow: 0 4px 20px var(--cor-sombra);
  position: relative;
}

.close-modal {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 28px;
  color: var(--cor-texto-secundario);
  cursor: pointer;
}

.close-modal:hover {
  color: var(--cor-texto);
}

.produto-detalhes {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.produto-galeria {
  display: flex;
  gap: 15px;
  overflow-x: auto;
  padding-bottom: 10px;
}

.produto-galeria img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.3s;
}

.produto-galeria img:hover, 
.produto-galeria img.active {
  border-color: var(--cor-secundaria);
}

.produto-imagem-principal {
  width: 100%;
  max-height: 400px;
  object-fit: contain;
  border-radius: 8px;
  background-color: var(--cor-fundo);
}

.produto-info {
  flex: 1;
}

.produto-titulo {
  font-size: 1.8rem;
  color: var(--cor-principal);
  margin-bottom: 10px;
}

.produto-preco {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--cor-secundaria);
  margin-bottom: 15px;
}

.produto-descricao {
  margin-bottom: 20px;
  line-height: 1.6;
}

.produto-tamanhos {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.tamanho-btn {
  padding: 8px 15px;
  border: 1px solid var(--cor-borda);
  border-radius: 4px;
  background-color: transparent;
  color: var(--cor-texto);
  cursor: pointer;
  font-size: 0.9rem;
  min-width: 40px;
  text-align: center;
  transition: all 0.2s;
}

.tamanho-btn.selected {
  background-color: var(--cor-principal);
  color: white;
  border-color: var(--cor-principal);
}

.tamanho-btn.btn-disabled {
  opacity: 0.5;
  text-decoration: line-through;
  cursor: not-allowed;
  background-color: var(--cor-fundo) !important;
  color: var(--cor-texto-secundario) !important;
  border-color: var(--cor-borda) !important;
}

.dark-theme .tamanho-btn.btn-disabled {
  background-color: #333 !important;
  color: #666 !important;
  border-color: #444 !important;
}

.add-to-cart-modal {
  padding: 12px 25px;
  background-color: var(--cor-secundaria);
  color: white;
  border: none;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s;
  margin-top: 15px;
  width: 100%;
}

.add-to-cart-modal:hover {
  background-color: color-mix(in srgb, var(--cor-secundaria), black 15%);
}

.add-to-cart-modal.btn-disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--cor-texto-secundario) !important;
}

/* Estilo para produtos sem estoque */
.produto-sem-estoque {
  position: relative;
  opacity: 0.8;
}

.produto-sem-estoque::after {
  content: "SEM ESTOQUE";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--cor-secundaria);
  color: white;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: bold;
  z-index: 1;
}

.produto-sem-estoque .product-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.btn-disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Feedback visual para produtos esgotados */
.estoque-esgotado-texto {
  color: var(--cor-secundaria);
  font-weight: bold;
  text-align: center;
  padding: 5px;
  background-color: rgba(231, 76, 60, 0.1);
  border-radius: 4px;
  margin-bottom: 15px;
}

/* Opções de entrega */
.delivery-options {
  margin: 20px 0;
  padding: 15px;
  background-color: var(--cor-fundo);
  border-radius: 8px;
}

.delivery-options h3 {
  margin-bottom: 15px;
  color: var(--cor-principal);
}

.delivery-radio {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.delivery-radio label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

#address-form {
  margin-top: 15px;
  padding: 15px;
  background-color: rgba(0,0,0,0.05);
  border-radius: 8px;
}

#address-form h4 {
  margin-bottom: 15px;
}

#address-form .form-group {
  margin-bottom: 15px;
}

#address-form label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

#address-form input,
#address-form select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--cor-borda);
  border-radius: 4px;
  background-color: var(--cor-card);
  color: var(--cor-texto);
}

/* Responsividade */
@media (max-width: 768px) {
  .navbar .container {
    flex-direction: column;
    gap: 15px;
  }
  
  .nav-links {
    width: 100%;
    justify-content: center;
  }
  
  .nav-icons {
    width: 100%;
    justify-content: center;
  }
  
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .modal-produto-content {
    width: 95%;
    padding: 15px;
  }

  .produto-detalhes {
    flex-direction: column;
  }

  .produto-galeria img {
    width: 80px;
    height: 80px;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    width: 95%;
    padding: 15px;
  }
}

.size-badge {
  display: inline-block;
  padding: 3px 8px;
  background-color: var(--cor-principal);
  color: white;
  border-radius: 4px;
  font-size: 0.8rem;
  margin-right: 5px;
}

.size-badge-disabled {
  opacity: 0.5;
  text-decoration: line-through;
  background-color: var(--cor-texto-secundario);
  cursor: not-allowed;
}