:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-bg-body: #f3f4f6;--color-bg-card: #ffffff;--color-text-main: #111827;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-success: #10b981;--color-danger: #ef4444;--font-family: "Inter", system-ui, -apple-system, sans-serif;--radius-md: .5rem;--radius-lg: .75rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--container-max-width: 1280px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-bg-body);color:var(--color-text-main);line-height:1.5;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:var(--container-max-width);margin:0 auto;padding:0 1rem}.card{background:var(--color-bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--color-border)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:500;transition:all .2s}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-outline{border:1px solid var(--color-border);background:transparent}.btn-outline:hover{background-color:var(--color-bg-body)}.text-muted{color:var(--color-text-muted)}.flex-center{display:flex;align-items:center;justify-content:center}.product-badge{position:absolute;top:8px;right:8px;padding:.25rem .6rem;border-radius:var(--radius-md);font-size:.75rem;font-weight:600;color:#fff;background:var(--color-primary);z-index:10;box-shadow:0 2px 4px #0000001a}.product-badge.sale{background:var(--color-danger)}.product-badge.new{background:var(--color-success)}