/* ========================================
   ESTÉTICA MINIMALISTA ESCANDINAVA
   ======================================== */

:root {
    /* Cores Primárias - Design Moderno e Vibrante */
    --cor-fundo: #fafafa;
    --cor-cinza-claro: #f0f0f0;
    --cor-cinza-medio: #d0d0d0;
    --cor-cinza-escuro: #666666;
    --cor-preto: #1a1a1a;
    
    /* Cores Acentuadas - Mais Vibrantes */
    --cor-azul-pastel: #4a90e2;
    --cor-azul-claro: #6ba3e8;
    --cor-rosa-blush: #ff6b9d;
    --cor-rosa-claro: #ff8fb3;
    --cor-verde: #4caf50;
    --cor-amarelo: #ffc107;
    --cor-branco: #ffffff;
    
    /* Gradientes */
    --gradiente-primario: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradiente-secundario: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradiente-azul: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradiente-rosa: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    /* Tipografia */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    
    /* Espaçamento */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Raios de borda */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* ========================================
   RESET E ESTILOS GLOBAIS
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--cor-fundo);
    color: var(--cor-preto);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   TIPOGRAFIA
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-xxl);
    letter-spacing: -0.5px;
}

h2 {
    font-size: var(--font-size-xl);
    letter-spacing: -0.3px;
}

h3 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--cor-cinza-escuro);
}

a {
    color: var(--cor-preto);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--cor-azul-pastel);
}

/* ========================================
   LAYOUT PRINCIPAL
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.header {
    background-color: var(--cor-branco);
    border-bottom: 1px solid var(--cor-cinza-claro);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--cor-preto);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradiente-primario);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--cor-branco);
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
    transform: scale(1.1) rotate(5deg);
}

.nav {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--cor-cinza-escuro);
    transition: color 0.3s ease;
}

.nav a:hover {
    color: var(--cor-preto);
}

.nav-icons {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

/* ========================================
   MENU HAMBURGER
   ======================================== */

.hamburger-menu {
    position: relative;
    display: inline-block;
}

.hamburger-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--gradiente-primario);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.hamburger-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.hamburger-btn span {
    width: 20px;
    height: 2px;
    background-color: var(--cor-branco);
    border-radius: 2px;
    transition: all 0.3s ease;
    display: block;
}

.hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Painel lateral do menu */
.hamburger-sidebar {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: var(--cor-branco);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.hamburger-sidebar.active {
    right: 0;
}

.hamburger-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.hamburger-overlay.active {
    opacity: 1;
    visibility: visible;
}

.hamburger-header {
    padding: 24px;
    background: var(--gradiente-primario);
    color: var(--cor-branco);
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.hamburger-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.hamburger-avatar-fallback {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: var(--cor-branco);
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.hamburger-user-info {
    flex: 1;
}

.hamburger-user-name {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: 4px;
}

.hamburger-user-email {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.hamburger-nav {
    padding: 16px 0;
}

.hamburger-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    color: var(--cor-preto);
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: var(--font-size-base);
}

.hamburger-nav a:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--cor-azul-pastel);
    padding-left: 28px;
}

.hamburger-nav a:last-child {
    border-top: 1px solid var(--cor-cinza-claro);
    margin-top: 8px;
    padding-top: 18px;
    color: #f44336;
}

.hamburger-nav a:last-child:hover {
    background: rgba(244, 67, 54, 0.1);
    color: #f44336;
}

.icon-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: var(--gradiente-azul);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    font-size: 18px;
    color: var(--cor-branco);
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.3);
}

.icon-btn:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(79, 172, 254, 0.5);
}

.cart-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--gradiente-secundario);
    color: var(--cor-branco);
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(250, 112, 154, 0.4);
    animation: pulse 2s infinite;
}

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

.main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xxl) 0;
}

.footer {
    background-color: var(--cor-branco);
    border-top: 1px solid var(--cor-cinza-claro);
    padding: var(--spacing-xxl) 0;
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    padding: 0 var(--spacing-lg);
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.footer-section a {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--cor-cinza-escuro);
}

.footer-bottom {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--cor-cinza-claro);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--cor-cinza-escuro);
}

/* ========================================
   BOTÕES
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--gradiente-primario);
    color: var(--cor-branco);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: var(--gradiente-azul);
    color: var(--cor-branco);
    border: none;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(79, 172, 254, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--cor-cinza-medio);
    color: var(--cor-preto);
}

.btn-outline:hover {
    border-color: var(--cor-preto);
    background-color: var(--cor-cinza-claro);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: var(--font-size-base);
    width: 100%;
}

/* ========================================
   CARDS DE PRODUTO
   ======================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

.product-card {
    background-color: var(--cor-branco);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    transform: translateY(-8px) scale(1.02);
    border-color: var(--cor-azul-pastel);
}

.product-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    height: auto;
    max-height: 420px;
    background: var(--gradiente-rosa);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    transition: transform 0.4s ease;
}

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

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* Opcional: classe para miniaturas quadradas uniformes */
.img-square, .product-image--square {
    aspect-ratio: 1 / 1;
    height: auto;
    max-height: 420px;
}

/* Garantir imagens dentro de wrappers do produto mantenham cobertura consistente */
.produto-imagem, .produto-imagem-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Ajustes responsivos adicionais */
@media (max-width: 900px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: var(--spacing-lg);
    }

    .product-image, .img-square, .product-image--square {
        max-height: 360px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .product-image, .img-square, .product-image--square {
        max-height: 280px;
    }
}

/* Cabeçalho responsivo: empilha itens em telas pequenas */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }

    .nav {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        justify-content: flex-start;
    }

    .nav a {
        padding: 8px 0;
        font-size: var(--font-size-sm);
    }

    .nav-icons {
        justify-self: end;
    }
}

.produto-imagem-wrapper {
    width: 100%;
    height: 100%;
    min-height: 400px;
    border-radius: 12px;
    overflow: hidden;
}

.produto-imagem {
    width: 100%;
    height: 100%;
    max-height: 400px;
    object-fit: contain;
    object-position: center;
    display: block;
}

.product-image-placeholder {
    font-size: var(--font-size-xxl);
    color: var(--cor-cinza-medio);
}

.product-info {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    font-size: var(--font-size-sm);
    color: var(--cor-cinza-escuro);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.product-name {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--cor-preto);
}

.product-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradiente-primario);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.product-stock {
    font-size: var(--font-size-sm);
    color: var(--cor-cinza-escuro);
    margin-bottom: var(--spacing-md);
}

.product-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.product-actions .btn {
    flex: 1;
}

/* ========================================
   FILTROS E ORDENAÇÃO
   ======================================== */

.filters-section {
    background: linear-gradient(135deg, var(--cor-branco) 0%, #f8f9fa 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.filters-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--cor-preto);
}

.filter-group select,
.filter-group input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--cor-cinza-claro);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    color: var(--cor-preto);
    background-color: var(--cor-branco);
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--cor-azul-pastel);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    transform: translateY(-1px);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--cor-azul-pastel);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    transform: translateY(-1px);
}

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--cor-azul-pastel);
}

/* ========================================
   CARRINHO
   ======================================== */

.cart-container {
    background-color: var(--cor-branco);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.cart-empty {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--cor-cinza-escuro);
}

.cart-empty-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: var(--spacing-lg);
    align-items: center;
    padding: var(--spacing-lg);
    background-color: var(--cor-cinza-claro);
    border-radius: var(--radius-md);
}

.cart-item-image {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--cor-azul-pastel), var(--cor-rosa-blush));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details h3 {
    margin-bottom: var(--spacing-sm);
}

.cart-item-price {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--cor-preto);
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: 1px solid var(--cor-cinza-medio);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.cart-item-quantity button {
    width: 32px;
    height: 32px;
    border: none;
    background-color: transparent;
    cursor: pointer;
    font-weight: 700;
    color: var(--cor-preto);
    transition: all 0.3s ease;
}

.cart-item-quantity button:hover {
    background-color: var(--cor-cinza-claro);
}

.cart-item-quantity input {
    width: 40px;
    text-align: center;
    border: none;
    background-color: transparent;
    font-weight: 600;
    color: var(--cor-preto);
}

.cart-summary {
    background-color: var(--cor-cinza-claro);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-base);
}

.summary-row.total {
    border-top: 1px solid var(--cor-cinza-medio);
    padding-top: var(--spacing-md);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

/* ========================================
   FORMULÁRIOS
   ======================================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--cor-preto);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--cor-cinza-claro);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    color: var(--cor-preto);
    background-color: var(--cor-branco);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--cor-azul-pastel);
    box-shadow: 0 0 0 3px rgba(168, 213, 226, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Upload de Arquivo */
.file-upload-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.file-upload-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 2;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    border: 2px dashed var(--cor-cinza-medio);
    border-radius: var(--radius-md);
    background-color: var(--cor-cinza-claro);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    min-height: 150px;
}

.file-upload-label:hover {
    border-color: var(--cor-azul-pastel);
    background-color: rgba(102, 126, 234, 0.05);
    transform: translateY(-2px);
}

.file-upload-label.has-file {
    border-color: var(--cor-verde);
    background-color: rgba(76, 175, 80, 0.05);
}

.file-upload-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--cor-azul-pastel);
}

.file-upload-text {
    font-size: var(--font-size-base);
    color: var(--cor-preto);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.file-upload-hint {
    font-size: var(--font-size-sm);
    color: var(--cor-cinza-escuro);
}

.file-preview {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--cor-branco);
    border-radius: var(--radius-md);
    border: 1px solid var(--cor-cinza-claro);
}

.file-preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.file-preview-info {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--cor-cinza-escuro);
}

.form-error {
    color: #d32f2f;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

/* ========================================
   MODAL
   ======================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--cor-branco);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(102, 126, 234, 0.2);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--cor-cinza-escuro);
    transition: color 0.3s ease;
}

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

/* ========================================
   PAINEL ADMINISTRATIVO
   ======================================== */

.admin-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-lg);
    min-height: calc(100vh - 200px);
}

.admin-sidebar {
    background-color: var(--cor-branco);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    height: fit-content;
}

.admin-sidebar nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.admin-sidebar a {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--cor-cinza-escuro);
    transition: all 0.3s ease;
}

.admin-sidebar a:hover,
.admin-sidebar a.active {
    background-color: var(--cor-azul-pastel);
    color: var(--cor-preto);
    font-weight: 600;
}

.admin-content {
    background-color: var(--cor-branco);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    background-color: var(--cor-cinza-claro);
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--cor-preto);
    border-bottom: 2px solid var(--cor-cinza-medio);
}

.admin-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--cor-cinza-claro);
}

.admin-table tr:hover {
    background-color: var(--cor-cinza-claro);
}

.admin-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ========================================
   FORMAS GEOMÉTRICAS ABSTRATAS
   ======================================== */

.geometric-shape {
    position: absolute;
    opacity: 0.1;
    pointer-events: none;
}

.shape-circle {
    border-radius: 50%;
    background-color: var(--cor-azul-pastel);
}

.shape-square {
    background-color: var(--cor-rosa-blush);
}

.shape-triangle {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 100px solid var(--cor-azul-pastel);
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav {
        flex-direction: column;
        gap: var(--spacing-md);
        width: 100%;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .cart-item {
        grid-template-columns: 80px 1fr;
        gap: var(--spacing-md);
    }
    
    .admin-container {
        grid-template-columns: 1fr;
    }
    
    .admin-sidebar {
        display: flex;
        gap: var(--spacing-md);
        overflow-x: auto;
    }
    
    .admin-sidebar nav {
        flex-direction: row;
    }
    
    .filters-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    h1 {
        font-size: var(--font-size-xl);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

/* ========================================
   UTILITÁRIOS
   ======================================== */

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--cor-cinza-escuro);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

.hidden {
    display: none;
}

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    margin-bottom: 60px;
    text-align: center;
    padding: var(--spacing-xxl) 0;
    background: var(--gradiente-primario);
    border-radius: var(--radius-lg);
    color: var(--cor-branco);
    margin-top: var(--spacing-xl);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.hero h1 {
    color: var(--cor-branco);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    margin-bottom: var(--spacing-md);
}

.hero p {
    color: rgba(255, 255, 255, 0.95);
    font-size: var(--font-size-lg);
}

/* ========================================
   SELETOR DE TAMANHOS - DESIGN MELHORADO
   ======================================== */

#tamanho-container {
    margin: var(--spacing-lg) 0;
}

#select-tamanho {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border: 2px solid var(--cor-cinza-claro);
    border-radius: var(--radius-lg);
    background-color: var(--cor-branco);
    color: var(--cor-preto);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234a90e2' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/csvg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 20px;
    padding-right: 48px;
    transition: all 0.3s ease;
    font-weight: 500;
}

#select-tamanho:hover {
    border-color: var(--cor-azul-pastel);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.15);
}

#select-tamanho:focus {
    outline: none;
    border-color: var(--cor-azul-pastel);
    box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.1);
}

#select-tamanho option {
    padding: var(--spacing-md);
    background-color: var(--cor-branco);
    color: var(--cor-preto);
    border: none;
}

#select-tamanho option:hover {
    background: linear-gradient(#667eea, #667eea);
    background-color: var(--cor-azul-pastel) !important;
    color: white;
}

/* ========================================
   MELHORIAS NA PÁGINA DE PRODUTO
   ======================================== */

.produto-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

@media (max-width: 768px) {
    .produto-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }
}

.produto-imagem-section {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 500px;
}

.produto-info-section {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.produto-info-section h1 {
    margin-bottom: var(--spacing-md);
    color: var(--cor-preto);
    font-size: 32px;
}

.produto-categoria {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
}

.produto-preco {
    font-size: 36px;
    font-weight: 700;
    color: var(--cor-verde);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.5px;
}

.produto-descricao {
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--cor-azul-pastel);
}

.produto-descricao h3 {
    color: var(--cor-preto);
    margin-bottom: var(--spacing-md);
    font-size: 18px;
}

.produto-stock {
    padding: var(--spacing-lg);
    background-color: #f0f9ff;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--cor-verde);
}

.produto-stock h3 {
    color: var(--cor-preto);
    margin-bottom: var(--spacing-sm);
    font-size: 16px;
}

#produto-stock-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--cor-verde);
}

.produto-tamanho {
    margin-bottom: var(--spacing-lg);
}

.produto-tamanho label {
    display: block;
    font-weight: 600;
    color: var(--cor-preto);
    margin-bottom: var(--spacing-md);
    font-size: 16px;
}

.produto-acoes {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.qtd-input-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: var(--cor-cinza-claro);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.qtd-input-group label {
    font-weight: 600;
    color: var(--cor-preto);
    margin: 0;
    font-size: 14px;
}

.qtd-input-group input {
    width: 70px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--cor-cinza-medio);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
}

.qtd-input-group input:focus {
    outline: none;
    border-color: var(--cor-azul-pastel);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

#btn-add-carrinho {
    flex: 1;
    height: 50px;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

#btn-add-carrinho:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#btn-favorito {
    width: 50px;
    height: 50px;
    padding: 0;
    font-size: 24px;
    border: 2px solid var(--cor-cinza-medio);
    background-color: var(--cor-branco);
    color: var(--cor-preto);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 50px;
}

#btn-favorito:hover {
    border-color: var(--cor-rosa-blush);
    color: var(--cor-rosa-blush);
    transform: scale(1.05);
}

#btn-favorito.favorited {
    color: var(--cor-rosa-blush);
    border-color: var(--cor-rosa-blush);
}

.btn-favorito-custom {
    width: 50px;
    height: 50px;
    padding: 0;
    font-size: 24px;
    border: 2px solid var(--cor-cinza-medio);
    background-color: var(--cor-branco);
    color: var(--cor-preto);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-favorito-custom:hover {
    border-color: var(--cor-rosa-blush);
    color: var(--cor-rosa-blush);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 107, 157, 0.2);
}

/* ========================================
   HERO SECTION - MELHORADA
   ======================================== */

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-xxl) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 350px;
    height: 350px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.hero > * {
    position: relative;
    z-index: 1;
}

.hero h1 {
    color: var(--cor-branco);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    margin-bottom: var(--spacing-md);
    animation: slideInDown 0.6s ease;
}

.hero p {
    color: rgba(255, 255, 255, 0.95);
    font-size: var(--font-size-lg);
    animation: slideInUp 0.6s ease 0.1s both;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ========================================
   FILTROS - MELHORADOS
   ======================================== */

.filters-section {
    background: var(--cor-branco);
    border: 1px solid var(--cor-cinza-claro);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--cor-cinza-claro);
}

.filters-header h3 {
    font-size: 20px;
    color: var(--cor-preto);
    margin: 0;
}

.filters-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    font-weight: 600;
    color: var(--cor-preto);
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group input,
.filter-group select {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--cor-cinza-claro);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background-color: var(--cor-branco);
    color: var(--cor-preto);
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.filter-group input::placeholder {
    color: var(--cor-cinza-escuro);
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--cor-azul-pastel);
    box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.1);
}

/* ========================================
   GRID DE PRODUTOS - MELHORADO
   ======================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
}

/* ========================================
   CARRINHO E CHECKOUT - MELHORADO
   ======================================== */

.cart-container {
    background: var(--cor-branco);
    border: 1px solid var(--cor-cinza-claro);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.cart-container:hover {
    box-shadow: var(--shadow-md);
}

#order-summary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--cor-cinza-claro);
}

.summary-item:last-child {
    border-bottom: none;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--cor-cinza-claro);
    font-weight: 700;
    font-size: 16px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    font-size: 14px;
    color: var(--cor-cinza-escuro);
}

.summary-row.total {
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--cor-cinza-claro);
    font-size: 18px;
    font-weight: 700;
    color: var(--cor-preto);
}

.checkout-form-section {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .checkout-form-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.payment-option {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border: 2px solid var(--cor-cinza-claro);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option:hover {
    border-color: var(--cor-azul-pastel);
    background-color: #f0f4ff;
}

.payment-option input[type="radio"] {
    margin-right: var(--spacing-md);
    cursor: pointer;
}

.payment-option label {
    margin: 0;
    cursor: pointer;
    flex: 1;
    font-weight: 500;
}

/* ========================================
   ANIMAÇÕES SUAVES
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn {
    animation: fadeIn 0.3s ease;
}