*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f8f9fa;--color-surface:#fff;--color-text:#1a1a2e;--color-text-muted:#6b7280;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-border:#e5e7eb;--color-accent:#059669;--radius:8px;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1);--max-width:1280px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.header{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:-webkit-sticky;position:sticky;top:0;z-index:100}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:64px}.logo{font-size:20px;font-weight:700;color:var(--color-primary)}.nav{display:flex;gap:24px}.nav a{font-size:14px;font-weight:500;color:var(--color-text-muted);transition:color .2s}.nav a:hover{color:var(--color-primary)}.main{flex:1 1;max-width:var(--max-width);margin:0 auto;padding:32px 24px;width:100%}.footer{border-top:1px solid var(--color-border);padding:24px;text-align:center;color:var(--color-text-muted);font-size:13px}.page-title{font-size:28px;font-weight:700;margin-bottom:8px}.page-subtitle{color:var(--color-text-muted);margin-bottom:32px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:24px;gap:24px}.product-card{background:var(--color-surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .2s,transform .2s}.product-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.product-card-image{aspect-ratio:1;overflow:hidden;background:#f0f0f0}.product-card-image img{width:100%;height:100%;object-fit:cover}.product-card-body{padding:16px}.product-card-category{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--color-primary);font-weight:600;margin-bottom:4px}.product-card-title{font-size:15px;font-weight:600;margin-bottom:4px;line-height:1.3}.product-card-description{font-size:13px;color:var(--color-text-muted);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-card-price{font-size:16px;font-weight:700;color:var(--color-accent)}.product-card-variants{font-size:12px;color:var(--color-text-muted);margin-top:4px}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.filter-pill{display:inline-block;padding:6px 16px;font-size:13px;font-weight:500;border-radius:9999px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text-muted);cursor:pointer;transition:all .2s}.filter-pill.active,.filter-pill:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.product-detail{display:grid;grid-template-columns:1fr 1fr;grid-gap:48px;gap:48px;margin-top:16px}@media (max-width:768px){.product-detail{grid-template-columns:1fr;gap:24px}}.product-detail-images{display:flex;flex-direction:column;gap:12px}.product-detail-main-image{aspect-ratio:1;border-radius:var(--radius);overflow:hidden;background:#f0f0f0}.product-detail-main-image img{width:100%;height:100%;object-fit:cover}.product-detail-thumbnails{display:flex;gap:8px}.product-detail-thumbnails img{width:80px;height:80px;object-fit:cover;border-radius:4px;border:2px solid var(--color-border);cursor:pointer}.product-detail-info h1{font-size:28px;font-weight:700;margin-bottom:8px}.product-detail-price{font-size:24px;font-weight:700;color:var(--color-accent);margin-bottom:16px}.product-detail-description{color:var(--color-text-muted);margin-bottom:24px;line-height:1.7}.product-detail-options{margin-bottom:24px}.product-detail-option-title{font-size:13px;font-weight:600;margin-bottom:8px;text-transform:uppercase;letter-spacing:.03em}.product-detail-option-values{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.option-btn{padding:8px 16px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:13px;background:var(--color-surface);cursor:pointer;transition:all .15s}.option-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.option-btn.selected{border-color:var(--color-primary)}.add-to-cart-btn,.option-btn.selected{background:var(--color-primary);color:#fff}.add-to-cart-btn{display:inline-block;padding:14px 32px;font-size:15px;font-weight:600;border:none;border-radius:var(--radius);cursor:pointer;transition:background .2s}.add-to-cart-btn:hover{background:var(--color-primary-hover)}.product-detail-meta{margin-top:24px;padding-top:16px;border-top:1px solid var(--color-border);font-size:13px;color:var(--color-text-muted)}.product-detail-meta span{margin-right:16px}.breadcrumb{font-size:13px;color:var(--color-text-muted);margin-bottom:16px}.breadcrumb a{color:var(--color-primary)}.breadcrumb a:hover{text-decoration:underline}.error-state,.loading{text-align:center;padding:64px 24px;color:var(--color-text-muted)}.error-state{color:#dc2626}.product-count{font-size:14px;color:var(--color-text-muted);margin-bottom:16px}