/* ==================== VARIÁVEIS ==================== */
:root {
    --primary-color: #667eea;
    --primary-dark: #764ba2;
    --secondary-color: #f093fb;
    --text-dark: #333;
    --text-light: #666;
    --border-color: #e0e0e0;
    --bg-light: #f8f9fa;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--primary-color);
}

/* ==================== HEADER ==================== */
.top-header {
    background: var(--bg-light);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.main-header {
    background: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.search-bar {
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 12px 50px 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.95rem;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-bar button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border: none;
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    cursor: pointer;
}

.header-icons {
    display: flex;
    gap: 25px;
    align-items: center;
}

.header-icon {
    position: relative;
    font-size: 1.5rem;
    cursor: pointer;
}

.badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger-color);
    color: white;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-weight: bold;
}

/* ==================== NAVIGATION ==================== */
.main-nav {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 0;
}

.main-nav ul {
    list-style: none;
    display: flex;
    margin: 0;
}

.main-nav li {
    position: relative;
}

.main-nav a {
    display: block;
    padding: 15px 20px;
    color: white;
    font-weight: 500;
}

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

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 1000;
}

.main-nav li:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    color: var(--text-dark);
    padding: 10px 20px;
    border-bottom: 1px solid var(--border-color);
}

.dropdown-menu a:hover {
    background: var(--bg-light);
}

/* ==================== BANNER ==================== */
.banner-slider {
    position: relative;
    overflow: hidden;
    height: 500px;
}

.banner-slide {
    display: none;
    width: 100%;
    height: 100%;
}

.banner-slide.active {
    display: block;
}

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

.banner-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.banner-dot.active {
    background: white;
    width: 30px;
    border-radius: 6px;
}

/* ==================== PRODUCTS ==================== */
.section-title {
    text-align: center;
    margin: 50px 0 30px;
    font-size: 2rem;
    color: var(--text-dark);
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    margin: 10px auto;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    padding: 20px 0;
}

.product-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--danger-color);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: bold;
    z-index: 2;
}

.product-badge:first-child {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
    animation: pulse-badge 2s infinite;
    top: 10px;
}

.product-badge:nth-child(2) {
    top: 45px;
}

.product-badge:nth-child(3) {
    top: 80px;
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.product-info {
    padding: 20px;
}

.product-category {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: 5px;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
    line-height: 1.3;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.price-current {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.price-old {
    font-size: 1rem;
    color: var(--text-light);
    text-decoration: line-through;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    flex: 1;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-icon {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 10px;
    border-radius: 5px;
}

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

/* ==================== FILTERS ==================== */
.filters-sidebar {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.filter-group {
    margin-bottom: 25px;
}

.filter-title {
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.filter-option {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.filter-option input {
    margin-right: 10px;
}

.price-range {
    display: flex;
    gap: 10px;
    align-items: center;
}

.price-range input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
}

/* ==================== CART ==================== */
.cart-table {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.cart-table table {
    width: 100%;
}

.cart-table th {
    background: var(--bg-light);
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.cart-table td {
    padding: 20px 15px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.cart-product {
    display: flex;
    align-items: center;
    gap: 15px;
}

.cart-product img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 5px;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: 1px solid var(--border-color);
    background: white;
    cursor: pointer;
    border-radius: 5px;
}

.quantity-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.quantity-input {
    width: 60px;
    text-align: center;
    border: 1px solid var(--border-color);
    padding: 5px;
    border-radius: 5px;
}

.cart-summary {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.summary-total {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* ==================== FOOTER ==================== */
.footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 20px;
    margin-top: 80px;
}

.footer-section {
    margin-bottom: 30px;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
}

.footer-links a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 15px;
    font-size: 1.5rem;
}

.social-icons a {
    color: white;
    transition: color 0.3s;
}

.social-icons a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .banner-slider {
        height: 300px;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .main-nav ul {
        flex-direction: column;
    }
    
    .header-icons {
        gap: 15px;
    }
}