/* ============================================
   VARIÁVEIS E CORES
   ============================================ */
:root {
  --cor-neon: #00ee00;
  --cor-preto: #000000;
  --cor-cinza-escuro: #111111;
  --cor-cinza: #1a1a1a;
  --cor-cinza-claro: #2a2a2a;
  --cor-branco: #ffffff;
  --cor-branco-opaco: rgba(255, 255, 255, 0.9);
  --cor-neon-opaco: rgba(0, 238, 0, 0.3);
  --cor-neon-escuro: #00aa00;
  
  --sombra-neon: 0 0 10px rgba(0, 238, 0, 0.5);
  --sombra-neon-forte: 0 0 20px rgba(0, 238, 0, 0.8);
  --sombra-suave: 0 4px 15px rgba(0, 0, 0, 0.3);
  
  --transicao-rapida: 0.2s ease;
  --transicao-media: 0.3s ease;
  --transicao-lenta: 0.5s ease;
}

/* ============================================
   RESET E ESTILOS GLOBAIS
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--cor-preto);
  color: var(--cor-branco);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   TIPOGRAFIA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  text-shadow: 0 0 20px var(--cor-neon-opaco);
}

h2 {
  font-size: 2rem;
  color: var(--cor-neon);
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--cor-neon);
  text-decoration: none;
  transition: var(--transicao-rapida);
}

a:hover {
  text-shadow: 0 0 10px var(--cor-neon);
}

/* ============================================
   CABEÇALHO E NAVEGAÇÃO
   ============================================ */
header {
  background-color: var(--cor-cinza-escuro);
  border-bottom: 2px solid var(--cor-neon);
  box-shadow: var(--sombra-neon);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--cor-neon);
  text-shadow: 0 0 15px var(--cor-neon);
  letter-spacing: 2px;
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.logo:hover {
  text-shadow: 0 0 25px var(--cor-neon);
  transform: scale(1.05);
}

.search-bar {
  flex: 1;
  margin: 0 2rem;
  position: relative;
}

.search-bar input {
  width: 100%;
  padding: 0.8rem 1rem;
  background-color: var(--cor-cinza);
  border: 2px solid var(--cor-neon);
  border-radius: 8px;
  color: var(--cor-branco);
  font-size: 1rem;
  transition: var(--transicao-rapida);
}

.search-bar input:focus {
  outline: none;
  box-shadow: 0 0 15px var(--cor-neon);
  background-color: var(--cor-cinza-claro);
}

.search-bar input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.header-icons {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.icon-btn {
  position: relative;
  background: none;
  border: none;
  color: var(--cor-neon);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transicao-rapida);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.icon-btn:hover {
  background-color: var(--cor-neon-opaco);
  text-shadow: 0 0 10px var(--cor-neon);
  transform: scale(1.1);
}

.badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: #ff0000;
  color: white;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--cor-neon);
  border-radius: 2px;
  transition: var(--transicao-rapida);
}

/* ============================================
   NAVEGAÇÃO PRINCIPAL
   ============================================ */
nav {
  background-color: var(--cor-cinza-escuro);
  border-bottom: 1px solid rgba(0, 238, 0, 0.3);
}

.nav-container {
  display: flex;
  justify-content: flex-start;
  max-width: 1400px;
  margin: 0 auto;
  overflow-x: auto;
  padding: 0 2rem;
}

.nav-item {
  padding: 1rem 1.5rem;
  color: var(--cor-branco);
  cursor: pointer;
  transition: var(--transicao-rapida);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  font-weight: 500;
}

.nav-item:hover,
.nav-item.active {
  color: var(--cor-neon);
  border-bottom-color: var(--cor-neon);
  text-shadow: 0 0 10px var(--cor-neon);
}

/* ============================================
   BANNER PRINCIPAL
   ============================================ */
.hero-banner {
  background: linear-gradient(135deg, var(--cor-preto) 0%, var(--cor-cinza-escuro) 100%);
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--cor-neon);
  box-shadow: inset 0 0 30px var(--cor-neon-opaco);
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, var(--cor-neon-opaco) 0%, transparent 70%);
  pointer-events: none;
  animation: pulso 3s ease-in-out infinite;
}

@keyframes pulso {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--cor-neon);
  text-shadow: 0 0 30px var(--cor-neon);
  animation: brilho 2s ease-in-out infinite;
}

@keyframes brilho {
  0%, 100% { text-shadow: 0 0 20px var(--cor-neon); }
  50% { text-shadow: 0 0 40px var(--cor-neon); }
}

.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.btn {
  display: inline-block;
  padding: 0.8rem 2.5rem;
  background-color: var(--cor-neon);
  color: var(--cor-preto);
  border: 2px solid var(--cor-neon);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transicao-media);
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 0 15px var(--cor-neon-opaco);
}

.btn:hover {
  background-color: var(--cor-neon-escuro);
  box-shadow: 0 0 25px var(--cor-neon);
  transform: translateY(-2px);
}

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

.btn-secundario {
  background-color: transparent;
  color: var(--cor-neon);
}

.btn-secundario:hover {
  background-color: var(--cor-neon-opaco);
}

/* ============================================
   CONTAINER PRINCIPAL
   ============================================ */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 3rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cor-neon), transparent);
}

/* ============================================
   GRID DE PRODUTOS
   ============================================ */
.produtos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.produto-card {
  background-color: var(--cor-cinza);
  border: 2px solid rgba(0, 238, 0, 0.3);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transicao-media);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.produto-card:hover {
  border-color: var(--cor-neon);
  box-shadow: 0 0 20px var(--cor-neon-opaco), 0 4px 15px rgba(0, 0, 0, 0.5);
  transform: translateY(-5px);
}

.produto-imagem {
  width: 100%;
  height: 200px;
  background-color: var(--cor-cinza-claro);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.produto-imagem img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transicao-media);
}

.produto-card:hover .produto-imagem img {
  transform: scale(1.1);
}

.produto-info {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.produto-nome {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--cor-branco);
}

.produto-descricao {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
  flex: 1;
}

.produto-preco {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cor-neon);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px var(--cor-neon-opaco);
}

.produto-avaliacao {
  font-size: 0.9rem;
  color: #ffc107;
  margin-bottom: 1rem;
}

.produto-acoes {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
}

.btn-pequeno {
  flex: 1;
  padding: 0.6rem;
  font-size: 0.85rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: var(--transicao-rapida);
  font-weight: 600;
}

.btn-carrinho {
  background-color: var(--cor-neon);
  color: var(--cor-preto);
  flex: 2;
}

.btn-carrinho:hover {
  box-shadow: 0 0 15px var(--cor-neon);
  transform: scale(1.05);
}

.btn-favorito {
  background-color: transparent;
  color: var(--cor-neon);
  border: 2px solid var(--cor-neon);
}

.btn-favorito:hover {
  background-color: var(--cor-neon);
  color: var(--cor-preto);
}

.btn-favorito.ativo {
  background-color: var(--cor-neon);
  color: var(--cor-preto);
}

/* ============================================
   FILTROS E ORDENAÇÃO
   ============================================ */
.filtros-container {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.filtro-grupo {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.filtro-grupo label {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

.filtro-grupo select,
.filtro-grupo input {
  padding: 0.5rem 1rem;
  background-color: var(--cor-cinza);
  border: 2px solid var(--cor-neon);
  border-radius: 6px;
  color: var(--cor-branco);
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.filtro-grupo select:hover,
.filtro-grupo select:focus,
.filtro-grupo input:focus {
  box-shadow: 0 0 10px var(--cor-neon-opaco);
  outline: none;
}

/* ============================================
   CARRINHO
   ============================================ */
.carrinho-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  animation: fadeIn 0.3s ease;
}

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

.carrinho-modal.ativo {
  display: flex;
  align-items: flex-end;
}

.carrinho-conteudo {
  background-color: var(--cor-cinza-escuro);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  border-top: 2px solid var(--cor-neon);
  border-left: 2px solid var(--cor-neon);
  border-radius: 12px 12px 0 0;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.carrinho-header {
  padding: 1.5rem;
  border-bottom: 2px solid rgba(0, 238, 0, 0.3);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.carrinho-header h2 {
  margin: 0;
}

.carrinho-close {
  background: none;
  border: none;
  color: var(--cor-neon);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.carrinho-close:hover {
  transform: rotate(90deg);
}

.carrinho-items {
  padding: 1.5rem;
  max-height: 50vh;
  overflow-y: auto;
}

.carrinho-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 1rem;
  background-color: var(--cor-cinza);
  border-radius: 8px;
  border-left: 3px solid var(--cor-neon);
}

.carrinho-item-imagem {
  width: 80px;
  height: 80px;
  background-color: var(--cor-cinza-claro);
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}

.carrinho-item-imagem img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carrinho-item-info {
  flex: 1;
}

.carrinho-item-nome {
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.carrinho-item-preco {
  color: var(--cor-neon);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.carrinho-item-controles {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.quantidade-btn {
  background-color: var(--cor-neon);
  color: var(--cor-preto);
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  transition: var(--transicao-rapida);
}

.quantidade-btn:hover {
  box-shadow: 0 0 10px var(--cor-neon);
}

.carrinho-item-remover {
  background: none;
  border: none;
  color: #ff0000;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transicao-rapida);
}

.carrinho-item-remover:hover {
  transform: scale(1.2);
}

.carrinho-vazio {
  text-align: center;
  padding: 2rem;
  color: rgba(255, 255, 255, 0.6);
}

.carrinho-footer {
  padding: 1.5rem;
  border-top: 2px solid rgba(0, 238, 0, 0.3);
  background-color: var(--cor-cinza);
}

.carrinho-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 1.3rem;
  font-weight: 700;
}

.carrinho-total-valor {
  color: var(--cor-neon);
  text-shadow: 0 0 10px var(--cor-neon-opaco);
}

.carrinho-botoes {
  display: flex;
  gap: 1rem;
}

.carrinho-botoes .btn {
  flex: 1;
}

/* ============================================
   MODAL GENÉRICO
   ============================================ */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.ativo {
  display: flex;
}

.modal-conteudo {
  background-color: var(--cor-cinza-escuro);
  border: 2px solid var(--cor-neon);
  border-radius: 12px;
  padding: 2rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 0 30px var(--cor-neon-opaco);
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { 
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(0, 238, 0, 0.3);
}

.modal-header h2 {
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--cor-neon);
  font-size: 1.8rem;
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.modal-close:hover {
  transform: rotate(90deg);
}

/* ============================================
   TOAST/NOTIFICAÇÕES
   ============================================ */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--cor-cinza-escuro);
  border: 2px solid var(--cor-neon);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  color: var(--cor-branco);
  box-shadow: 0 0 20px var(--cor-neon-opaco);
  animation: slideInRight 0.3s ease;
  z-index: 3000;
}

@keyframes slideInRight {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.sucesso {
  border-color: #00ff00;
}

.toast.erro {
  border-color: #ff0000;
}

.toast.info {
  border-color: #0099ff;
}

/* ============================================
   RODAPÉ
   ============================================ */
footer {
  background-color: var(--cor-cinza-escuro);
  border-top: 2px solid var(--cor-neon);
  padding: 2rem;
  margin-top: 3rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--cor-neon);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transicao-rapida);
}

.footer-section ul li a:hover {
  color: var(--cor-neon);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 238, 0, 0.3);
  color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   BOTÃO VOLTAR AO TOPO
   ============================================ */
.btn-topo {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--cor-neon);
  color: var(--cor-preto);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px var(--cor-neon-opaco);
  transition: var(--transicao-media);
  z-index: 999;
}

.btn-topo.ativo {
  display: flex;
}

.btn-topo:hover {
  box-shadow: 0 0 30px var(--cor-neon);
  transform: translateY(-5px);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */
@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
    flex-wrap: wrap;
  }

  .logo {
    font-size: 1.4rem;
  }

  .search-bar {
    margin: 0;
    order: 3;
    flex-basis: 100%;
    margin-top: 0.5rem;
  }

  .header-icons {
    gap: 1rem;
  }

  .hamburger {
    display: flex;
  }

  .nav-container {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--cor-cinza-escuro);
    z-index: 999;
  }

  .nav-container.ativo {
    display: flex;
  }

  .nav-item {
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(0, 238, 0, 0.2);
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1.1rem;
  }

  .produtos-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
  }

  .carrinho-conteudo {
    max-width: 100%;
    border-radius: 12px 12px 0 0;
  }

  .modal-conteudo {
    width: 95%;
  }

  .filtros-container {
    flex-direction: column;
    align-items: stretch;
  }

  .filtro-grupo {
    flex-direction: column;
  }

  .filtro-grupo select,
  .filtro-grupo input {
    width: 100%;
  }

  .btn-topo {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .header-container {
    padding: 0.8rem;
  }

  .logo {
    font-size: 1.2rem;
  }

  .header-icons {
    gap: 0.8rem;
  }

  .icon-btn {
    width: 35px;
    height: 35px;
    font-size: 1.2rem;
  }

  .hero-banner {
    padding: 2rem 1rem;
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
  }

  .container {
    padding: 0 1rem;
  }

  .section {
    padding: 2rem 0;
  }

  .produtos-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.8rem;
  }

  .produto-card {
    border-radius: 8px;
  }

  .produto-imagem {
    height: 150px;
  }

  .produto-info {
    padding: 1rem;
  }

  .produto-nome {
    font-size: 1rem;
  }

  .produto-preco {
    font-size: 1.2rem;
  }

  .carrinho-conteudo {
    max-height: 100vh;
  }

  .modal-conteudo {
    padding: 1.5rem;
  }

  .btn-topo {
    bottom: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

/* ============================================
   MODO ESCURO (PADRÃO) E MODO CLARO
   ============================================ */
body.modo-claro {
  background-color: #f5f5f5;
  color: var(--cor-preto);
}

body.modo-claro header,
body.modo-claro nav,
body.modo-claro .hero-banner,
body.modo-claro .carrinho-conteudo,
body.modo-claro .modal-conteudo,
body.modo-claro footer {
  background-color: #ffffff;
  border-color: var(--cor-neon);
}

body.modo-claro .produto-card {
  background-color: #f9f9f9;
  border-color: rgba(0, 238, 0, 0.5);
}

body.modo-claro .produto-card:hover {
  background-color: #ffffff;
}

body.modo-claro .produto-info {
  color: var(--cor-preto);
}

body.modo-claro .produto-nome {
  color: var(--cor-preto);
}

body.modo-claro .produto-descricao {
  color: rgba(0, 0, 0, 0.7);
}

body.modo-claro .search-bar input,
body.modo-claro .filtro-grupo select,
body.modo-claro .filtro-grupo input {
  background-color: #f9f9f9;
  color: var(--cor-preto);
  border-color: var(--cor-neon);
}

body.modo-claro .search-bar input::placeholder {
  color: rgba(0, 0, 0, 0.5);
}

body.modo-claro .carrinho-item {
  background-color: #f9f9f9;
}

body.modo-claro .carrinho-footer {
  background-color: #ffffff;
}

body.modo-claro .modal-conteudo {
  background-color: #ffffff;
}

/* ============================================
   ANIMAÇÕES ADICIONAIS
   ============================================ */
@keyframes brilhoNeon {
  0%, 100% {
    box-shadow: 0 0 10px var(--cor-neon);
  }
  50% {
    box-shadow: 0 0 20px var(--cor-neon);
  }
}

.btn:active {
  animation: click 0.2s ease;
}

@keyframes click {
  0% { transform: scale(1); }
  50% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* ============================================
   LOADING
   ============================================ */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 238, 0, 0.3);
  border-radius: 50%;
  border-top-color: var(--cor-neon);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


/* ============================================
   MODAL DE PRODUTO
   ============================================ */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  animation: fadeIn 0.3s ease;
}

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

.modal-content {
  position: relative;
  background-color: var(--cor-cinza-escuro);
  margin: 2rem auto;
  padding: 2rem;
  border: 2px solid var(--cor-neon);
  border-radius: 12px;
  max-width: 900px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--sombra-neon-forte);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.fechar {
  position: absolute;
  right: 1.5rem;
  top: 1rem;
  font-size: 2rem;
  font-weight: bold;
  color: var(--cor-neon);
  cursor: pointer;
  transition: var(--transicao-rapida);
}

.fechar:hover {
  color: #00aa00;
  text-shadow: 0 0 10px var(--cor-neon);
}

.modal-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.modal-imagens {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.imagem-principal {
  width: 100%;
  aspect-ratio: 3/4;
  background-color: var(--cor-cinza);
  border: 2px solid var(--cor-neon);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.imagem-principal img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.imagens-miniaturas {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.miniatura {
  width: 60px;
  height: 80px;
  border: 2px solid rgba(0, 238, 0, 0.3);
  border-radius: 6px;
  cursor: pointer;
  overflow: hidden;
  transition: var(--transicao-rapida);
  opacity: 0.6;
}

.miniatura:hover {
  opacity: 1;
  border-color: var(--cor-neon);
}

.miniatura.ativa {
  border-color: var(--cor-neon);
  opacity: 1;
  box-shadow: 0 0 10px var(--cor-neon);
}

.miniatura img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.navegacao-imagens {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.btn-nav {
  background-color: var(--cor-neon);
  color: var(--cor-preto);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.2rem;
  transition: var(--transicao-rapida);
}

.btn-nav:hover {
  transform: scale(1.1);
  box-shadow: 0 0 15px var(--cor-neon);
}

#contadorImagens {
  color: var(--cor-neon);
  font-weight: bold;
  min-width: 60px;
  text-align: center;
}

.modal-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.modal-info h2 {
  font-size: 1.8rem;
  color: var(--cor-neon);
  text-shadow: 0 0 10px var(--cor-neon-opaco);
}

.descricao-completa {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  font-size: 1rem;
}

.preco-grande {
  font-size: 2.5rem !important;
  color: #ff0000 !important;
  font-weight: bold !important;
  text-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
}

.avaliacao-modal {
  font-size: 1.2rem;
  color: var(--cor-neon);
  font-weight: bold;
}

.modal-acoes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.btn-whatsapp {
  background-color: #25d366 !important;
  border-color: #25d366 !important;
}

.btn-whatsapp:hover {
  background-color: #20ba5a !important;
  box-shadow: 0 0 15px rgba(37, 211, 102, 0.5) !important;
}

/* Responsivo */
@media (max-width: 768px) {
  .modal-content {
    margin: 1rem;
    padding: 1.5rem;
  }

  .modal-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .fechar {
    right: 1rem;
    top: 0.5rem;
    font-size: 1.5rem;
  }

  .modal-info h2 {
    font-size: 1.5rem;
  }

  .preco-grande {
    font-size: 2rem !important;
  }

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

  .btn {
    width: 100%;
  }
}

/* Toast */
.toast {
  position: fixed;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--cor-neon);
  color: var(--cor-preto);
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: bold;
  z-index: 2000;
  transition: bottom 0.3s ease;
}

.toast.ativo {
  bottom: 2rem;
}

.toast-erro {
  background-color: #ff0000;
  color: white;
}

.toast-sucesso {
  background-color: #25d366;
  color: white;
}