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var(--border-subtle);z-index:var(--z-modal);transform:translate(100%);transition:transform var(--transition-base);display:flex;flex-direction:column}.cart-sidebar.open{transform:translate(0)}.cart-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-6);border-bottom:1px solid var(--border-subtle)}.cart-header h2{display:flex;align-items:center;gap:var(--space-3);font-size:var(--text-xl);font-weight:600}.cart-close{width:40px;height:40px;background:var(--bg-glass);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all var(--transition-fast)}.cart-close:hover{background:var(--error-500);color:#fff}.cart-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4);color:var(--text-muted)}.cart-empty .btn-primary{padding:var(--space-3) var(--space-6);background:var(--gradient-primary);color:#fff;border-radius:var(--radius-lg);font-weight:500}.cart-items{flex:1;overflow-y:auto;padding:var(--space-4)}.cart-item{display:flex;gap:var(--space-4);padding:var(--space-4);background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);margin-bottom:var(--space-3);position:relative}.cart-item-image{width:80px;height:80px;object-fit:cover;border-radius:var(--radius-md)}.cart-item-info{flex:1}.cart-item-info h4{font-size:var(--text-sm);font-weight:500;margin-bottom:var(--space-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cart-item-price{color:var(--error-500);font-weight:600;margin-bottom:var(--space-2)}.cart-item-qty{display:inline-flex;align-items:center;background:var(--bg-tertiary);border-radius:var(--radius-md);overflow:hidden}.cart-item-qty button{width:28px;height:28px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);transition:all var(--transition-fast)}.cart-item-qty button:hover{background:var(--primary-600);color:#fff}.cart-item-qty span{padding:0 var(--space-3);font-weight:500}.cart-item-remove{position:absolute;top:var(--space-3);right:var(--space-3);color:var(--text-muted);transition:color var(--transition-fast)}.cart-item-remove:hover{color:var(--error-500)}.cart-voucher{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-subtle)}.cart-voucher input{flex:1;padding:var(--space-3);background:var(--bg-glass);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary)}.cart-voucher button{padding:var(--space-3) var(--space-4);background:var(--primary-600);color:#fff;border-radius:var(--radius-md);font-weight:500}.cart-summary{padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-subtle)}.summary-row{display:flex;justify-content:space-between;padding:var(--space-2) 0;color:var(--text-secondary)}.summary-row.total{font-size:var(--text-lg);font-weight:700;color:var(--text-primary);border-top:1px solid var(--border-subtle);padding-top:var(--space-4);margin-top:var(--space-2)}.free-ship{color:var(--success-500);font-weight:500}.cart-actions{padding:var(--space-4) var(--space-6);display:flex;flex-direction:column;gap:var(--space-3)}.btn-checkout{display:block;text-align:center;padding:var(--space-4);background:var(--gradient-primary);color:#fff;font-weight:600;border-radius:var(--radius-lg);transition:all var(--transition-fast)}.btn-checkout:hover{transform:scale(1.02);box-shadow:var(--shadow-glow)}.btn-continue{padding:var(--space-3);background:var(--bg-glass);border:1px solid var(--border-default);border-radius:var(--radius-lg);color:var(--text-primary);font-weight:500;transition:all var(--transition-fast)}.btn-continue:hover{background:var(--bg-glass-hover)}.loading-container{display:flex;justify-content:center;align-items:center;padding:var(--space-12);width:100%;min-height:300px}.loading-container.fullscreen{position:fixed;inset:0;background:var(--bg-primary);z-index:1000}.loading-spinner{color:var(--primary-500);animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.scroll-to-top{position:fixed;bottom:var(--space-8);right:var(--space-8);width:48px;height:48px;background:var(--gradient-primary);color:#fff;border:none;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(20px);transition:all var(--transition-base);z-index:var(--z-fixed)}.scroll-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-to-top:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}@media(max-width:768px){.scroll-to-top{bottom:var(--space-20);right:var(--space-4);width:40px;height:40px}}