/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 600; padding: 10px 20px; border-radius: 4px; cursor: pointer; transition: all 0.2s ease; text-decoration: none; border: 1px solid transparent; outline: none; }
.btn-primary { background-color: var(--color-primary); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background-color: var(--color-primary-dark); color: #fff; }
.btn-secondary { background-color: var(--color-surface-alt); color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background-color: #e5e5e5; border-color: #d1d1d1; }
.btn-outline { background-color: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background-color: var(--color-primary); color: #fff; }
.btn-whatsapp { background-color: var(--color-whatsapp); color: #fff; }
.btn-whatsapp:hover, .btn-whatsapp:focus { background-color: #1da851; color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 6px; }
.btn-block { display: flex; width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; pointer-events: none; }

/* Breadcrumbs */
.breadcrumb { display: flex; align-items: center; gap: 8px; list-style: none; padding: 0; margin: 0; font-size: 14px; color: var(--color-text-secondary); }
.breadcrumb a { color: var(--color-text-secondary); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .separator { color: var(--color-border); }

/* Sections */
.section { padding: 80px 0; }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 40px; }
.section-title { font-size: 28px; font-weight: 700; color: var(--color-text); margin: 0; }
.view-all { font-size: 15px; font-weight: 600; color: var(--color-primary); text-decoration: none; display: inline-flex; align-items: center; gap: 4px; }
.view-all:hover { text-decoration: underline; }

/* Misc Components */
.supply-section, .export-section, .cta-section { background-color: var(--color-bg); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.supply-content { display: flex; flex-direction: column; gap: 24px; }
.supply-advantages { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 16px; }
.supply-advantages li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; color: var(--color-text-secondary); }
.supply-advantages .num { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; background-color: var(--color-primary); color: #fff; font-size: 12px; font-weight: 700; border-radius: 4px; flex-shrink: 0; }
.supply-image img, .export-content img { width: 100%; height: auto; border-radius: 4px; object-fit: cover; }
.toast-notification { position: fixed; bottom: 24px; right: 24px; background-color: var(--color-text); color: #fff; padding: 16px 24px; border-radius: 4px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); z-index: 1000; transform: translateY(100px); opacity: 0; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 500; }
.toast-notification.show { transform: translateY(0); opacity: 1; }
.page-loading { display: flex; align-items: center; justify-content: center; min-height: 400px; padding: var(--space-8); }
.loading-spinner { display: flex; align-items: center; justify-content: center; min-height: 200px; }
.spinner { width: 40px; height: 40px; border: 3px solid var(--color-surface-alt); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 1s linear infinite; }
.loading-spinner .spinner, .page-loading .spinner { width: 40px; height: 40px; }
@keyframes spin { to { transform: rotate(360deg); } }
.badge { display: inline-block; padding: 4px 8px; border-radius: 2px; font-size: 12px; font-weight: 700; line-height: 1; }
.badge-sale { background-color: var(--color-danger); color: #fff; }
.badge-new { background-color: var(--color-primary); color: #fff; }
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1000; display: none; align-items: center; justify-content: center; }
.modal { background: var(--color-surface); width: 100%; max-width: 500px; border-radius: 4px; padding: 24px; position: relative; }
.modal-close { position: absolute; top: 16px; right: 16px; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--color-text-secondary); }
.empty-state { padding: 64px 24px; text-align: center; color: var(--color-text-secondary); background-color: var(--color-surface-alt); border: 1px dashed var(--color-border); border-radius: 4px; }
.error-message { color: var(--color-danger); font-size: 14px; margin-top: 4px; }

/* Page Title */
.page-title { font-size: var(--text-3xl); font-weight: var(--font-weight-bold); color: var(--color-text); margin: 0 0 var(--space-6) 0; }
.page-hero { background-color: var(--color-surface-alt); padding: var(--space-8) 0; text-align: center; }
.page-hero-title { font-size: var(--text-4xl); font-weight: var(--font-weight-bold); color: var(--color-text); margin: 0; }

/* Filter Checkbox */
.filter-checkbox { display: flex; align-items: center; gap: var(--space-2); cursor: pointer; font-size: var(--text-sm); color: var(--color-text); }
.filter-checkbox input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--color-primary); cursor: pointer; }
.filter-count { color: var(--color-text-secondary); font-size: var(--text-xs); }
.filter-price-inputs { display: flex; align-items: center; gap: var(--space-2); }
.filter-price-inputs input { width: 80px; }

/* Products Sort */
.products-sort { display: flex; align-items: center; gap: var(--space-2); }
.products-sort label { font-size: var(--text-sm); color: var(--color-text-secondary); white-space: nowrap; }

/* Product Actions */
.product-actions { display: flex; gap: var(--space-4); align-items: center; margin-top: var(--space-5); flex-wrap: wrap; }
.product-cta-btn { flex: 1; min-width: 200px; }

/* Qty Control */
.qty-control { display: flex; align-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.qty-btn { width: 40px; height: 40px; background: var(--color-surface-alt); border: none; cursor: pointer; font-size: var(--text-lg); font-weight: var(--font-weight-medium); color: var(--color-text); transition: background var(--transition-fast); display: flex; align-items: center; justify-content: center; }
.qty-btn:hover { background: var(--color-border); }
.qty-input { width: 60px; height: 40px; text-align: center; border: none; border-left: 1px solid var(--color-border); border-right: 1px solid var(--color-border); font-size: var(--text-base); font-family: var(--font-family); outline: none; -moz-appearance: textfield; }
.qty-input::-webkit-inner-spin-button, .qty-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

/* Stock Dot */
.stock-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: var(--space-2); }
.product-stock { display: flex; align-items: center; font-size: var(--text-sm); font-weight: var(--font-weight-medium); }
.product-stock.in-stock { color: var(--color-success); }
.product-stock.in-stock .stock-dot { background-color: var(--color-success); }
.product-stock.out-of-stock { color: var(--color-danger); }
.product-stock.out-of-stock .stock-dot { background-color: var(--color-danger); }

/* Product Meta */
.product-meta { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid var(--color-border); }
.product-category-label { font-size: var(--text-xs); font-weight: var(--font-weight-semibold); color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.05em; }
.product-code { font-size: var(--text-sm); color: var(--color-text-secondary); }
.product-short-desc { font-size: var(--text-base); color: var(--color-text-secondary); line-height: 1.6; }
.product-price-block { margin-top: var(--space-4); display: flex; align-items: baseline; gap: var(--space-3); flex-wrap: wrap; }
.product-price-block .price-current { font-size: var(--text-3xl); font-weight: var(--font-weight-bold); color: var(--color-text); }
.product-price-block .price-old { font-size: var(--text-lg); }
.product-price-block .price-unit { font-size: var(--text-sm); }
.product-package-info, .product-min-order { font-size: var(--text-sm); color: var(--color-text-secondary); }

/* Product Tabs */
.product-tabs { margin-top: var(--space-8); border-top: 1px solid var(--color-border); }
.tab-buttons { display: flex; border-bottom: 1px solid var(--color-border); }
.tab-btn { padding: var(--space-4) var(--space-5); background: none; border: none; border-bottom: 2px solid transparent; font-size: var(--text-sm); font-weight: var(--font-weight-medium); color: var(--color-text-secondary); cursor: pointer; transition: all var(--transition-fast); font-family: var(--font-family); }
.tab-btn:hover { color: var(--color-text); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.tab-contents { padding: var(--space-6) 0; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.tab-pane p { line-height: 1.7; color: var(--color-text-secondary); }

/* Specs Table */
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); font-size: var(--text-sm); }
.specs-table .spec-label { font-weight: var(--font-weight-semibold); color: var(--color-text); width: 180px; }
.specs-table .spec-value { color: var(--color-text-secondary); }

/* Related Products */
.related-products { margin-top: var(--space-8); padding-top: var(--space-8); border-top: 1px solid var(--color-border); }

/* Logo in footer */
.footer-logo .logo-text { font-size: var(--text-2xl); font-weight: var(--font-weight-bold); color: var(--color-primary-light); }
.footer-logo .logo-sub { font-size: var(--text-lg); font-weight: var(--font-weight-medium); color: var(--color-text-secondary); }
.footer-address p { font-size: var(--text-sm); color: #999; margin: 0 0 var(--space-2) 0; }

/* Utility */
.w-100 { width: 100%; }