:root {
    --green: #2D5016; --green-light: #4a7c2e; --green-pale: #e8f5e1;
    --cream: #FFF8E7; --gold: #C9A84C; --gold-light: #e0c97a;
    --dark: #1a1a2e; --dark-light: #22223a;
    --gray: #f5f5f5; --gray-border: #e0e0e0;
    --text: #333; --text-light: #777; --white: #ffffff;
    --red: #d9534f; --orange: #f0ad4e; --blue: #5bc0de;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Lato",sans-serif;color:var(--text);background:var(--cream);line-height:1.6}
h1,h2,h3,h4,h5,h6{font-family:"Playfair Display",serif;font-weight:600;color:var(--green)}
a{color:var(--green);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--gold)}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2.2rem;margin-bottom:10px}
.section-title p{color:var(--text-light);font-size:1.1rem}
.section-title::after{content:"";display:block;width:60px;height:3px;background:var(--gold);margin:15px auto 0;border-radius:2px}
.btn{display:inline-block;padding:12px 30px;border-radius:var(--radius);font-weight:700;font-size:.95rem;cursor:pointer;border:none;transition:var(--transition);text-align:center}
.btn-primary{background:var(--green);color:var(--white)}.btn-primary:hover{background:var(--green-light);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-gold{background:var(--gold);color:var(--white)}.btn-gold:hover{background:var(--gold-light);color:var(--white);transform:translateY(-2px)}
.btn-outline{background:transparent;border:2px solid var(--green);color:var(--green)}.btn-outline:hover{background:var(--green);color:var(--white)}
.btn-danger{background:var(--red);color:var(--white)}.btn-danger:hover{background:#c9302c;color:var(--white)}
.btn-sm{padding:8px 18px;font-size:.85rem}
.site-header{position:sticky;top:0;z-index:1000;background:var(--white);box-shadow:0 2px 15px rgba(0,0,0,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:15px 20px}
.logo{display:flex;align-items:center;gap:10px;font-family:"Playfair Display",serif;font-size:1.4rem;font-weight:700;color:var(--green)}.logo:hover{color:var(--green)}
.logo-icon{font-size:1.8rem;color:var(--gold)}
.main-nav{display:flex;align-items:center;gap:25px}
.main-nav a{position:relative;font-weight:600;font-size:.95rem;color:var(--text);padding:5px 0}
.main-nav a::after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gold);transition:var(--transition)}
.main-nav a:hover,.main-nav a.active{color:var(--green)}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.nav-cart{position:relative}
.cart-badge{position:absolute;top:-10px;right:-12px;background:var(--gold);color:var(--white);font-size:.7rem;font-weight:700;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.nav-admin{color:var(--gold)!important}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:5px}
.burger span{display:block;width:25px;height:2px;background:var(--text);transition:var(--transition)}
.hero{position:relative;min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(135deg,rgba(45,80,22,.85),rgba(74,124,46,.7))}
.hero-content{position:relative;z-index:2;color:var(--white);padding:40px 20px}
.hero h1{font-size:3.5rem;margin-bottom:15px;color:var(--white);text-shadow:2px 2px 10px rgba(0,0,0,.3)}
.hero p{font-size:1.3rem;margin-bottom:30px;font-weight:300;opacity:.95}
.hero .btn{font-size:1.1rem;padding:15px 40px}
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.product-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);position:relative}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.product-card .card-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--gray)}
.product-card .card-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.product-card:hover .card-img img{transform:scale(1.05)}
.product-card .badge-discount{position:absolute;top:12px;right:12px;background:var(--red);color:var(--white);padding:4px 10px;border-radius:20px;font-size:.8rem;font-weight:700}
.product-card .badge-esaurito{position:absolute;top:12px;left:12px;background:var(--text-light);color:var(--white);padding:4px 10px;border-radius:20px;font-size:.8rem}
.product-card .card-body{padding:18px}
.product-card .card-body h3{font-size:1.1rem;margin-bottom:8px;line-height:1.3}
.product-card .card-body .desc{font-size:.88rem;color:var(--text-light);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-card .card-prices{display:flex;align-items:center;gap:10px;margin-bottom:15px}
.product-card .price-current{font-size:1.3rem;font-weight:700;color:var(--green)}
.product-card .price-old{font-size:.95rem;color:var(--text-light);text-decoration:line-through}
.product-card .card-action{display:flex;gap:10px}
.product-card .card-action .btn{flex:1;font-size:.85rem;padding:10px}
.categories-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.category-card{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/9;background:var(--green);display:flex;align-items:flex-end;cursor:pointer;transition:var(--transition)}
.category-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.category-card .cat-overlay{width:100%;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,.7))}
.category-card h3{color:var(--white);font-size:1.3rem}
.category-card p{color:rgba(255,255,255,.8);font-size:.9rem}
.catalog-layout{display:flex;gap:30px;padding:40px 0}
.catalog-sidebar{width:260px;flex-shrink:0}
.filter-box{background:var(--white);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:20px}
.filter-box h3{font-size:1rem;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid var(--green-pale)}
.filter-box label{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-size:.9rem;cursor:pointer}
.filter-box input[type="checkbox"],.filter-box input[type="radio"]{accent-color:var(--green)}
.catalog-main{flex:1}
.catalog-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;flex-wrap:wrap;gap:15px}
.search-box{position:relative;flex:1;max-width:400px}
.search-box input{width:100%;padding:12px 45px 12px 18px;border:2px solid var(--gray-border);border-radius:30px;font-size:.95rem;transition:var(--transition)}
.search-box input:focus{border-color:var(--green);outline:none}
.search-box button{position:absolute;right:5px;top:50%;transform:translateY(-50%);background:var(--green);color:var(--white);border:none;width:36px;height:36px;border-radius:50%;cursor:pointer}
.sort-select select{padding:10px 15px;border:2px solid var(--gray-border);border-radius:var(--radius);font-size:.9rem}
.products-grid-3{grid-template-columns:repeat(3,1fr)}
.pagination{display:flex;justify-content:center;gap:5px;margin-top:30px}
.pagination a,.pagination span{padding:8px 14px;border-radius:8px;font-size:.9rem;font-weight:600}
.pagination a{background:var(--white);color:var(--text);box-shadow:var(--shadow)}.pagination a:hover{background:var(--green);color:var(--white)}
.pagination .current{background:var(--green);color:var(--white)}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:40px 0}
.product-gallery .main-image{width:100%;aspect-ratio:1;border-radius:var(--radius);overflow:hidden;background:var(--gray);cursor:zoom-in}
.product-gallery .main-image img{width:100%;height:100%;object-fit:cover}
.product-gallery .thumbnails{display:flex;gap:10px;margin-top:10px}
.product-gallery .thumb{width:70px;height:70px;border-radius:8px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:var(--transition)}
.product-gallery .thumb.active,.product-gallery .thumb:hover{border-color:var(--gold)}
.product-gallery .thumb img{width:100%;height:100%;object-fit:cover}
.product-info h1{font-size:2rem;margin-bottom:10px}
.product-info .short-desc{font-size:1.05rem;color:var(--text-light);margin-bottom:20px}
.product-info .price-block{display:flex;align-items:center;gap:15px;margin-bottom:20px}
.product-info .price-current{font-size:2rem;font-weight:700;color:var(--green)}
.product-info .price-old{font-size:1.2rem;color:var(--text-light);text-decoration:line-through}
.product-info .discount-tag{background:var(--red);color:var(--white);padding:4px 12px;border-radius:20px;font-size:.85rem;font-weight:700}
.product-info .stock{margin-bottom:20px;font-size:.95rem}
.stock-ok{color:var(--green)}.stock-low{color:var(--orange)}.stock-out{color:var(--red)}
.qty-selector{display:flex;align-items:center;gap:0;margin-bottom:20px}
.qty-selector button{width:40px;height:40px;border:2px solid var(--gray-border);background:var(--white);font-size:1.2rem;cursor:pointer;transition:var(--transition)}
.qty-selector button:hover{background:var(--green-pale)}
.qty-selector button:first-child{border-radius:8px 0 0 8px}
.qty-selector button:last-child{border-radius:0 8px 8px 0}
.qty-selector input{width:60px;height:40px;text-align:center;border:2px solid var(--gray-border);border-left:none;border-right:none;font-size:1rem;font-weight:600}
.product-tabs{margin-top:30px}
.tab-buttons{display:flex;gap:5px;border-bottom:2px solid var(--gray-border)}
.tab-buttons button{padding:10px 20px;background:none;border:none;font-size:.95rem;font-weight:600;color:var(--text-light);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:var(--transition)}
.tab-buttons button.active{color:var(--green);border-bottom-color:var(--green)}
.tab-panel{display:none}.tab-panel.active{display:block}
.cart-section{padding:40px 0}
.cart-table{width:100%;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.cart-table th{background:var(--green);color:var(--white);padding:15px;text-align:left;font-family:"Playfair Display",serif}
.cart-table td{padding:15px;border-bottom:1px solid var(--gray-border);vertical-align:middle}
.cart-table .cart-product{display:flex;align-items:center;gap:15px}
.cart-table .cart-thumb{width:60px;height:60px;border-radius:8px;object-fit:cover}
.cart-table .cart-qty{width:60px;text-align:center;padding:8px;border:2px solid var(--gray-border);border-radius:8px}
.cart-table .remove-btn{color:var(--red);cursor:pointer;font-size:1.1rem;background:none;border:none}
.cart-summary{background:var(--white);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);margin-top:25px;max-width:400px;margin-left:auto}
.cart-summary .summary-row{display:flex;justify-content:space-between;padding:10px 0;font-size:1rem}
.cart-summary .summary-total{font-size:1.3rem;font-weight:700;color:var(--green);border-top:2px solid var(--green);padding-top:15px;margin-top:10px}
.cart-actions{display:flex;justify-content:space-between;margin-top:20px;flex-wrap:wrap;gap:10px}
.cart-empty{text-align:center;padding:60px 20px}.cart-empty i{font-size:4rem;color:var(--gray-border);margin-bottom:20px}
.checkout-layout{display:grid;grid-template-columns:1fr 380px;gap:30px;padding:40px 0}
.checkout-form{background:var(--white);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}.checkout-form h2{margin-bottom:20px}
.form-group{margin-bottom:18px}.form-group label{display:block;margin-bottom:6px;font-weight:600;font-size:.9rem}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 15px;border:2px solid var(--gray-border);border-radius:var(--radius);font-size:.95rem;font-family:"Lato",sans-serif;transition:var(--transition)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--green);outline:none}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.checkout-summary{background:var(--white);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);height:fit-content;position:sticky;top:100px}
.auth-page{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.auth-container{display:grid;grid-template-columns:1fr 1fr;max-width:900px;width:100%;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-hover)}
.auth-panel{padding:40px}.auth-panel h2{margin-bottom:25px}
.auth-welcome{background:linear-gradient(135deg,var(--green),var(--green-light));color:var(--white);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
.auth-welcome h2{color:var(--white)}.auth-welcome p{opacity:.9;margin-bottom:20px}
.profile-section{padding:40px 0}
.profile-grid{display:grid;grid-template-columns:300px 1fr;gap:30px}
.profile-sidebar{background:var(--white);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);height:fit-content}
.profile-sidebar .avatar{width:80px;height:80px;border-radius:50%;background:var(--green);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:2rem;font-family:"Playfair Display",serif;margin:0 auto 15px}
.profile-content{background:var(--white);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}
.flash{padding:15px 20px;border-radius:var(--radius);margin-bottom:20px;font-weight:600;display:flex;align-items:center;gap:10px;animation:slideDown .3s ease}
.flash-success{background:var(--green-pale);color:var(--green);border-left:4px solid var(--green)}
.flash-error{background:#fde8e8;color:var(--red);border-left:4px solid var(--red)}
.flash-info{background:#e8f4fd;color:#2980b9;border-left:4px solid var(--blue)}
.site-footer{background:#1a2e0d;color:rgba(255,255,255,.85);margin-top:60px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding:50px 0 30px}
.footer-col h3{color:var(--gold);font-size:1.1rem;margin-bottom:15px}
.footer-col p{margin-bottom:8px;font-size:.9rem}
.footer-col a{display:block;color:rgba(255,255,255,.7);margin-bottom:8px;font-size:.9rem}.footer-col a:hover{color:var(--gold)}
.social-links{display:flex;gap:12px;margin-top:10px}
.social-links a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.1rem}.social-links a:hover{background:var(--gold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:.85rem}
.about-section{padding:60px 0}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-text p{margin-bottom:15px;font-size:1.05rem;line-height:1.8}
.about-img{border-radius:var(--radius);overflow:hidden;background:var(--green-pale);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}.about-img i{font-size:5rem;color:var(--green)}
.featured-section,.categories-section,.about-section,.contact-section{padding:60px 0}
.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:700}
.badge-nuovo{background:#e8f4fd;color:#2980b9}
.badge-confermato{background:var(--green-pale);color:var(--green)}
.badge-spedito{background:#fff3e0;color:#e67e22}
.badge-completato{background:#e8f5e9;color:#27ae60}
.badge-annullato{background:#fde8e8;color:var(--red)}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:9999;display:none;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox.active{display:flex}.lightbox img{max-width:90%;max-height:90%;border-radius:var(--radius)}
.lightbox .close-lb{position:absolute;top:20px;right:30px;color:var(--white);font-size:2rem;cursor:pointer}
.admin-layout{display:flex;min-height:100vh;background:var(--gray)}
.admin-sidebar{width:260px;background:var(--dark);color:var(--white);padding:0;position:fixed;top:0;left:0;bottom:0;overflow-y:auto;z-index:100}
.admin-sidebar .sidebar-header{padding:25px 20px;border-bottom:1px solid rgba(255,255,255,.1);text-align:center}
.admin-sidebar .sidebar-header h2{color:var(--gold);font-size:1.1rem;margin-bottom:3px}
.admin-sidebar .sidebar-header small{color:rgba(255,255,255,.5);font-size:.8rem}
.admin-sidebar nav{padding:15px 0}
.admin-sidebar nav a{display:flex;align-items:center;gap:12px;padding:12px 20px;color:rgba(255,255,255,.7);font-size:.95rem;transition:var(--transition);border-left:3px solid transparent}
.admin-sidebar nav a:hover{background:rgba(255,255,255,.05);color:var(--white)}
.admin-sidebar nav a.active{background:rgba(255,255,255,.08);color:var(--gold);border-left-color:var(--gold)}
.admin-sidebar nav a i{width:20px;text-align:center}
.admin-sidebar .sidebar-bottom{border-top:1px solid rgba(255,255,255,.1);padding:15px 0;margin-top:auto}
.admin-content{margin-left:260px;flex:1}
.admin-topbar{background:var(--white);padding:15px 30px;box-shadow:0 2px 10px rgba(0,0,0,.05);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:50}
.admin-topbar h1{font-size:1.4rem}
.admin-body{padding:30px}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:30px}
.kpi-card{background:var(--white);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi-card .kpi-icon{position:absolute;top:15px;right:20px;font-size:2.5rem;opacity:.1;color:var(--green)}
.kpi-card h3{font-size:.85rem;color:var(--text-light);font-family:"Lato",sans-serif;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.kpi-card .kpi-value{font-size:2rem;font-weight:700;color:var(--green)}
.admin-table{width:100%;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border-collapse:collapse}
.admin-table th{background:var(--dark);color:var(--white);padding:14px 15px;text-align:left;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;font-family:"Lato",sans-serif;font-weight:700}
.admin-table td{padding:12px 15px;border-bottom:1px solid var(--gray-border);font-size:.9rem;vertical-align:middle}
.admin-table tr:hover td{background:var(--gray)}
.admin-table .thumb{width:45px;height:45px;border-radius:8px;object-fit:cover}
.admin-card{background:var(--white);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);margin-bottom:20px}.admin-card h2{margin-bottom:20px;font-size:1.2rem}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:2000;display:none;align-items:center;justify-content:center}
.modal-overlay.active{display:flex}
.modal{background:var(--white);border-radius:var(--radius);padding:30px;width:90%;max-width:700px;max-height:90vh;overflow-y:auto;position:relative}
.modal h2{margin-bottom:20px}
.modal .close-modal{position:absolute;top:15px;right:20px;font-size:1.5rem;cursor:pointer;color:var(--text-light);background:none;border:none}
.upload-zone{border:2px dashed var(--gray-border);border-radius:var(--radius);padding:30px;text-align:center;cursor:pointer;transition:var(--transition)}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--green);background:var(--green-pale)}
.upload-zone i{font-size:2.5rem;color:var(--text-light);margin-bottom:10px}.upload-zone p{color:var(--text-light)}
.upload-preview{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px}
.upload-preview .preview-item{width:80px;height:80px;border-radius:8px;overflow:hidden;position:relative}
.upload-preview .preview-item img{width:100%;height:100%;object-fit:cover}
.upload-preview .preview-item .remove-preview{position:absolute;top:2px;right:2px;background:var(--red);color:var(--white);width:18px;height:18px;border-radius:50%;border:none;font-size:.7rem;cursor:pointer;display:flex;align-items:center;justify-content:center}
.admin-login-page{min-height:100vh;background:var(--dark);display:flex;align-items:center;justify-content:center}
.admin-login-box{background:var(--white);border-radius:var(--radius);padding:40px;width:100%;max-width:420px;box-shadow:var(--shadow-hover);text-align:center}
.admin-login-box .login-logo{font-size:3rem;color:var(--gold);margin-bottom:10px}
.admin-login-box h1{font-size:1.5rem;margin-bottom:25px}
.toggle{position:relative;width:44px;height:24px}
.toggle input{opacity:0;width:0;height:0}
.toggle .slider{position:absolute;inset:0;background:var(--gray-border);border-radius:24px;cursor:pointer;transition:var(--transition)}
.toggle .slider::before{content:"";position:absolute;width:18px;height:18px;left:3px;bottom:3px;background:var(--white);border-radius:50%;transition:var(--transition)}
.toggle input:checked+.slider{background:var(--green)}
.toggle input:checked+.slider::before{transform:translateX(20px)}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.animate-in{animation:fadeIn .5s ease}
.toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:10px}
.toast{padding:15px 25px;border-radius:var(--radius);color:var(--white);font-weight:600;box-shadow:var(--shadow-hover);animation:slideUp .3s ease}
.toast-success{background:var(--green)}.toast-error{background:var(--red)}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.spinner{display:inline-block;width:30px;height:30px;border:3px solid var(--gray-border);border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:1024px){
    .products-grid{grid-template-columns:repeat(3,1fr)}
    .products-grid-3{grid-template-columns:repeat(2,1fr)}
    .kpi-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
    .product-detail,.checkout-layout,.profile-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
    .products-grid{grid-template-columns:repeat(2,1fr)}
    .categories-grid{grid-template-columns:1fr}
    .catalog-layout{flex-direction:column}.catalog-sidebar{width:100%}
    .hero h1{font-size:2.2rem}
    .main-nav{position:fixed;top:0;right:-300px;width:280px;height:100vh;background:var(--white);flex-direction:column;padding:80px 30px 30px;box-shadow:-5px 0 20px rgba(0,0,0,.1);transition:var(--transition);z-index:999}
    .main-nav.open{right:0}
    .burger{display:flex;z-index:1001}
    .burger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
    .burger.active span:nth-child(2){opacity:0}
    .burger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
    .auth-container{grid-template-columns:1fr}.auth-welcome{padding:30px}
    .about-grid,.footer-grid{grid-template-columns:1fr}
    .admin-sidebar{left:-260px;transition:var(--transition)}.admin-sidebar.open{left:0}
    .admin-content{margin-left:0}.admin-topbar{padding:15px}.admin-body{padding:15px}
    .kpi-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
    .products-grid{grid-template-columns:1fr}
    .hero h1{font-size:1.8rem}
    .section-title h2{font-size:1.6rem}
}