/*
Theme Name: THPT Native Theme
Theme URI: https://tinhocphucthien.com/
Author: Antigravity Architect
Description: Native Pure PHP WooCommerce Theme clone of THNS. Ultra-lightweight Vanilla CSS.
Version: 1.0.0
Text Domain: thpt-native
*/
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: sans-serif; background-color: #f4f4f4; color: #333; line-height: 1.5; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.space-between { justify-content: space-between; }
.btn { display: inline-block; padding: 8px 15px; border-radius: 4px; border: none; cursor: pointer; text-align: center; }
.btn-red { background-color: #d1121c; color: white; font-weight: bold; }
.site-header { background: #d1121c; color: white; padding: 15px 0; }
.site-logo { font-size: 24px; font-weight: bold; text-transform: uppercase; }
.site-search input { padding: 10px; width: 400px; border-radius: 4px 0 0 4px; border: none; }
.site-search button { padding: 10px 20px; background: #333; color: white; border: none; border-radius: 0 4px 4px 0; cursor: pointer; }
.cart-info { font-size: 14px; font-weight: bold; }
.home-layout { display: flex; margin-top: 20px; gap: 20px; }
.sidebar-menu { flex: 0 0 250px; background: white; border-radius: 4px; box-shadow: 0 1px 4px rgba(0,0,0,0.1); }
.sidebar-menu li a { display: block; padding: 12px 15px; border-bottom: 1px solid #eee; font-weight: 500; font-size: 14px; }
.sidebar-menu li a:hover { color: #d1121c; background: #fdfdfd; }
.main-slider-area { flex: 1; background: #ddd; border-radius: 4px; min-height: 400px; display: flex; align-items: center; justify-content: center; }
.product-section { margin-top: 30px; }
.section-title { font-size: 20px; font-weight: bold; text-transform: uppercase; border-bottom: 2px solid #d1121c; padding-bottom: 10px; margin-bottom: 20px; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 15px; }
.thpt-card { background: white; border-radius: 4px; padding: 15px; transition: 0.2s; border: 1px solid transparent; display: flex; flex-direction: column; }
.thpt-card:hover { border-color: #d1121c; box-shadow: 0 4px 10px rgba(0,0,0,0.05); transform: translateY(-3px); }
.thpt-img { width: 100%; height: auto; aspect-ratio: 1; object-fit: contain; margin-bottom: 10px; }
.thpt-title { font-size: 14px; font-weight: 600; line-height: 1.4em; height: 2.8em; overflow: hidden; margin-bottom: 10px; }
.thpt-price { color: #d1121c; font-weight: bold; font-size: 16px; margin-bottom: 10px; }
.thpt-add { margin-top: auto; }
.site-footer { background: #d1121c; color: white; padding: 40px 0 20px; margin-top: 50px; }
.footer-cols { display: flex; justify-content: space-between; gap: 20px; }
.footer-col { flex: 1; }
.footer-col h4 { font-size: 16px; margin-bottom: 15px; font-weight: bold; text-transform: uppercase; }