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var(--color-primary)}.buy-now-button:hover:not(:disabled){background-color:var(--color-primary);color:var(--color-bg-white)}.add-to-cart-button:disabled,.buy-now-button:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.product-detail{grid-template-columns:1fr;gap:2rem;padding:2rem}.product-detail-name{font-size:2rem}.product-detail-price{font-size:2.5rem}.action-buttons{flex-direction:column}}@media(max-width:480px){.product-detail-page{padding:1rem 0}.product-detail-container{padding:0 .75rem}.back-link{margin-bottom:1rem;font-size:.9375rem}.product-detail{padding:1.5rem;gap:1.5rem}.product-detail-image{max-width:100%}.product-detail-category{font-size:.8125rem}.product-detail-name{font-size:1.5rem}.product-detail-description{font-size:1rem}.product-detail-price{font-size:2rem}.quantity-selector{margin-bottom:1.5rem}.quantity-btn{width:44px;height:44px;font-size:1.5rem}.quantity-input{width:60px;height:44px;font-size:1.125rem}.action-buttons{gap:.75rem}.add-to-cart-button,.buy-now-button{padding:.875rem 1.5rem;font-size:1rem;min-height:48px}}.cart-page{min-height:100vh;padding:2rem 0}.cart-container{max-width:1200px;margin:0 auto;padding:0 1rem}.page-title{font-size:2.5rem;text-align:center;margin-bottom:3rem;color:var(--color-text-primary)}.empty-cart{text-align:center;padding:4rem 0}.empty-cart p{font-size:1.25rem;color:var(--color-text-tertiary);margin-bottom:2rem}.continue-shopping-btn{display:inline-block;background-color:var(--color-primary);color:var(--color-bg-white);padding:1rem 2rem;border-radius:8px;text-decoration:none;font-weight:600;transition:background-color .3s}.continue-shopping-btn:hover{background-color:var(--color-primary-hover)}.cart-content{display:grid;grid-template-columns:2fr 1fr;gap:2rem;align-items:start}.cart-items{display:flex;flex-direction:column;gap:1.5rem}.cart-item{display:flex;gap:1.5rem;background-color:var(--color-bg-secondary);padding:1.5rem;border-radius:8px;align-items:center}.cart-item-image{width:120px;height:120px;object-fit:cover;border-radius:8px}.cart-item-details{flex:1}.cart-item-name{font-size:1.25rem;color:var(--color-text-primary);text-decoration:none;font-weight:600;display:block;margin-bottom:.5rem;transition:color 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.3s}.quantity-btn:hover:not(:disabled){background-color:var(--color-primary);color:var(--color-bg-white)}.quantity-btn:disabled{opacity:.3;cursor:not-allowed}.quantity-display{min-width:40px;text-align:center;font-size:1.125rem;color:var(--color-text-primary);font-weight:600}.cart-item-total{font-size:1.25rem;font-weight:700;color:var(--color-primary);min-width:100px;text-align:right}.remove-btn{width:32px;height:32px;border:none;background-color:var(--color-error-bg);color:var(--color-error);font-size:1.25rem;cursor:pointer;border-radius:4px;transition:all .3s}.remove-btn:hover{background-color:var(--color-error);color:var(--color-bg-white)}.cart-summary{background-color:var(--color-bg-secondary);padding:2rem;border-radius:8px;position:sticky;top:80px}.summary-title{font-size:1.5rem;margin:0 0 1.5rem;color:var(--color-text-primary)}.summary-row{display:flex;justify-content:space-between;margin-bottom:1rem;color:var(--color-text-secondary);font-size:1rem}.summary-divider{height:1px;background-color:var(--color-border);margin:1.5rem 0}.summary-total{font-size:1.25rem;font-weight:700;color:var(--color-text-primary);margin-bottom:2rem}.checkout-btn{width:100%;padding:1rem;background-color:var(--color-primary);color:var(--color-bg-white);border:none;border-radius:8px;font-size:1.125rem;font-weight:600;cursor:pointer;transition:background-color .3s;margin-bottom:1rem}.checkout-btn:hover{background-color:var(--color-primary-hover)}.continue-shopping-link{display:block;text-align:center;color:var(--color-primary);text-decoration:none;font-size:1rem;transition:color 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.75rem}.page-title{font-size:1.75rem;margin-bottom:2rem}.cart-content{gap:1.5rem}.cart-items{gap:1rem}.cart-item{padding:1rem;gap:1rem}.cart-item-image{width:100px;height:100px}.cart-item-name{font-size:1.125rem}.cart-item-category{font-size:.8125rem}.cart-item-controls{flex-wrap:wrap;gap:.75rem}.quantity-controls{order:1;flex:1;justify-content:flex-start}.cart-item-total{order:2;flex:1;text-align:right;font-size:1.125rem}.remove-btn{order:3;width:100%;height:44px;font-size:1rem}.cart-summary{padding:1.5rem}.summary-title{font-size:1.25rem}.summary-row{font-size:.9375rem}.summary-total{font-size:1.125rem}.checkout-btn{padding:.875rem;font-size:1rem;min-height:48px}.continue-shopping-btn,.continue-shopping-link{font-size:.9375rem}}.checkout-page{min-height:100vh;padding:2rem 0}.checkout-container{max-width:1200px;margin:0 auto;padding:0 1rem}.stripe-checkout-container{margin-top:2rem}.checkout-loading,.checkout-error,.checkout-success,.checkout-cancel{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;text-align:center;padding:2rem}.loading-spinner{width:48px;height:48px;border:4px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{to{transform:rotate(360deg)}}.checkout-loading p{color:var(--color-text-secondary);font-size:1.125rem}.error-icon,.success-icon,.cancel-icon{font-size:4rem;margin-bottom:1rem}.error-icon{color:var(--color-error, #dc2626)}.success-icon{color:var(--color-success, #16a34a);background-color:var(--color-success-bg, rgba(22, 163, 74, .1));width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:3rem;font-weight:700}.cancel-icon{color:var(--color-warning, #f59e0b)}.error-message,.success-message,.cancel-message{color:var(--color-text-secondary);font-size:1.125rem;margin:1rem 0 2rem;max-width:500px}.session-id{color:var(--color-text-tertiary);font-size:.875rem;font-family:monospace;margin-top:.5rem}.error-actions,.success-actions,.cancel-actions{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.btn-primary,.btn-secondary{padding:.875rem 2rem;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;border:none}.btn-primary{background-color:var(--color-primary);color:var(--color-bg-white)}.btn-primary:hover{background-color:var(--color-primary-hover)}.btn-secondary{background-color:transparent;color:var(--color-text-primary);border:2px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-bg-secondary);border-color:var(--color-primary)}.signin-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.signin-container{background:#fff;border-radius:12px;padding:40px;max-width:400px;width:100%;box-shadow:0 10px 40px #0000001a}.signin-title{font-size:2rem;font-weight:700;margin-bottom:10px;text-align:center;color:#333}.signin-description{text-align:center;color:#666;margin-bottom:30px;font-size:.95rem}.signin-error{background-color:#fee;border:1px solid #fcc;border-radius:6px;padding:12px;margin-bottom:20px;color:#c33;font-size:.9rem}.signin-success{background-color:#efe;border:1px solid #cfc;border-radius:6px;padding:12px;margin-bottom:20px;color:#3c3;font-size:.9rem}.signin-button{width:100%;padding:14px;background-color:#667eea;color:#fff;border:none;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s}.signin-button:hover:not(:disabled){background-color:#5568d3}.signin-button:disabled{background-color:#ccc;cursor:not-allowed}.signin-hint{text-align:center;color:#999;font-size:.85rem;margin-top:20px;font-style:italic}.signin-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 40px}.signin-spinner{width:48px;height:48px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.signin-authenticating{text-align:center;color:#667eea;font-size:1.1rem;font-weight:500;margin:0}.signin-message{text-align:center;color:#666;font-size:.95rem;margin-top:16px;margin-bottom:0}.signin-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px}.signin-button-primary{background-color:#667eea;color:#fff}.signin-button-primary:hover:not(:disabled){background-color:#5568d3}.app{min-height:100vh;background-color:var(--color-bg-primary)}.main-content{width:100%}*{box-sizing:border-box}body{margin:0;padding:0}