*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#4f46e5;--primary-dark:#4338ca;--danger:#ef4444;--success:#16a34a;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--bg:#f8fafc;--white:#fff;--radius:.5rem;--shadow:0 1px 3px rgba(0,0,0,.08);--shadow-lg:0 10px 25px rgba(0,0,0,.12)}
body{font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}img{max-width:100%;display:block}a{text-decoration:none;color:var(--primary)}a:hover{text-decoration:underline}.hidden{display:none!important}.overflow-hidden{overflow:hidden}
.btn-primary,.btn-secondary,.btn-stripe{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none;border-radius:var(--radius);padding:.65rem 1rem;cursor:pointer}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#e5e7eb;color:#111827}.btn-link{background:none;border:none;color:var(--primary);cursor:pointer}.btn-danger-link{color:var(--danger)}.btn-block{width:100%}.btn-sm{padding:.4rem .75rem;font-size:.85rem}.btn-lg{padding:.85rem 1.25rem}.btn-stripe{background:#635bff;color:#fff}
.site-nav{position:sticky;top:0;background:#fff;box-shadow:var(--shadow);z-index:50}.nav-inner{max-width:1200px;margin:0 auto;padding:0 1rem;height:64px;display:flex;align-items:center;gap:1rem}.nav-logo{font-weight:800;font-size:1.2rem}.nav-links{list-style:none;display:flex;gap:1rem;flex:1}.nav-actions{display:flex;align-items:center;gap:.75rem}.nav-username{font-size:.9rem;color:var(--muted)}.cart-icon-btn{position:relative;background:none;border:none;cursor:pointer;color:var(--text)}.cart-badge{position:absolute;top:-8px;right:-12px;background:var(--danger);color:#fff;min-width:18px;height:18px;border-radius:999px;font-size:.7rem;display:flex;align-items:center;justify-content:center;padding:0 4px}
.cart-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:60}.cart-drawer{position:fixed;top:0;right:0;width:min(420px,100vw);height:100%;background:#fff;box-shadow:var(--shadow-lg);transform:translateX(100%);transition:transform .25s ease;z-index:70;display:flex;flex-direction:column}.cart-drawer--open{transform:translateX(0)}.cart-drawer-header{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-bottom:1px solid var(--border)}.cart-close-btn{background:none;border:none;font-size:1.25rem;cursor:pointer}.cart-items-container{flex:1;overflow:auto;padding:1rem}.cart-drawer-footer{border-top:1px solid var(--border);padding:1rem;display:flex;flex-direction:column;gap:.5rem}.cart-summary-row{display:flex;justify-content:space-between}.cart-total-row{font-weight:700}
.cart-item{display:flex;gap:.75rem;padding:.75rem 0;border-bottom:1px solid var(--border)}.cart-item-img{width:64px;height:64px;object-fit:cover;border-radius:var(--radius)}.cart-item-info{flex:1}.cart-item-name{font-weight:600;font-size:.9rem}.cart-item-price{color:var(--muted);font-size:.85rem}.cart-item-right{text-align:right}.qty-controls{display:flex;align-items:center;gap:.5rem;margin-top:.25rem}.qty-btn{width:24px;height:24px;border:1px solid var(--border);border-radius:999px;background:none;cursor:pointer}.remove-item-btn{background:none;border:none;color:var(--danger);cursor:pointer;font-size:.8rem}
.hero{padding:3rem 1rem;text-align:center;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff}.hero h1{font-size:clamp(2rem,5vw,3rem);font-weight:800}.page-main{max-width:1200px;margin:0 auto;padding:2rem 1rem}.page-narrow{max-width:900px}.page-title{font-size:1.8rem;margin-bottom:1rem}.shop-layout{display:grid;grid-template-columns:220px 1fr;gap:1.5rem;margin-top:1.5rem}@media(max-width:768px){.shop-layout{grid-template-columns:1fr}}
.sidebar-title{font-size:.9rem;color:var(--muted);margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.05em}.cat-list{display:flex;flex-direction:column;gap:.35rem}.cat-btn{border:none;background:none;text-align:left;padding:.5rem .75rem;border-radius:var(--radius);cursor:pointer}.cat-btn.active,.cat-btn:hover{background:#ede9fe;color:var(--primary)}.search-bar{margin-bottom:1rem}.search-input{width:100%;max-width:480px;padding:.65rem 1rem;border:1px solid var(--border);border-radius:999px}
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem}.product-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}.product-card-img-link{display:block;aspect-ratio:4/3;overflow:hidden}.product-card-img{width:100%;height:100%;object-fit:cover}.product-card-body{padding:1rem;display:flex;flex-direction:column;gap:.4rem;flex:1}.product-category-badge{font-size:.72rem;font-weight:700;color:var(--primary);text-transform:uppercase}.product-card-title{font-size:1rem;font-weight:700}.product-card-desc{font-size:.85rem;color:var(--muted);flex:1}.product-card-footer{display:flex;justify-content:space-between;align-items:center}.product-price{font-size:1.1rem;font-weight:800;color:var(--primary)}.product-stock{font-size:.8rem;color:var(--success)}.product-stock.low-stock{color:#d97706}
.pagination{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:1.5rem}.pg-btn{padding:.5rem .85rem;border:1px solid var(--border);background:#fff;border-radius:var(--radius);cursor:pointer}.pg-info{color:var(--muted)}
.product-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}@media(max-width:700px){.product-detail-grid{grid-template-columns:1fr}}.product-detail-img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}.product-detail-info{display:flex;flex-direction:column;gap:.75rem}.breadcrumb{font-size:.85rem;color:var(--muted)}.product-detail-title{font-size:2rem;font-weight:800}.product-detail-price{font-size:1.9rem;font-weight:800;color:var(--primary)}.product-detail-stock{color:var(--success)}.product-detail-stock.low-stock{color:#d97706}.product-detail-desc{color:var(--muted)}.product-qty-row{display:flex;align-items:center;gap:.5rem}.qty-input{width:72px;padding:.5rem;border:1px solid var(--border);border-radius:var(--radius)}
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.auth-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:2rem;width:min(450px,100%)}.auth-logo{display:block;text-align:center;font-size:1.3rem;font-weight:800;margin-bottom:1rem}.auth-title{text-align:center;margin-bottom:1rem}.auth-form{display:flex;flex-direction:column;gap:1rem}.auth-footer{text-align:center;margin-top:1rem;color:var(--muted)}
.form-group{display:flex;flex-direction:column;gap:.35rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.65rem .75rem;border:1px solid var(--border);border-radius:var(--radius);background:#fff}.form-error{color:var(--danger);min-height:1.2em}
.checkout-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:1.5rem}@media(max-width:700px){.checkout-layout{grid-template-columns:1fr}}.checkout-summary,.checkout-form-wrap{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1.25rem}.divider{text-align:center;color:var(--muted);margin:1rem 0}
.success-card{text-align:center;display:flex;flex-direction:column;gap:1rem;align-items:center}.success-icon{width:64px;height:64px;border-radius:999px;background:var(--success);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.spinner{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:999px;animation:spin .7s linear infinite;margin:2rem auto}@keyframes spin{to{transform:rotate(360deg)}}.error-msg,.no-results,.empty-cart-msg{text-align:center;color:var(--muted);padding:1rem}.site-footer{text-align:center;padding:2rem 1rem;color:var(--muted)}