:root{--text-color: #555555;--text-highlight-color: #00c4b3;--button-color: #00c4b3;--button-hover-color: #99c31f;--special-price-color: #fb373e;--background-color: #f8f9fa;--section-bg-color: #ffffff;--border-color: #e2e8f0}body{background-color:var(--background-color);color:var(--text-color);font-family:Helvetica Neue,Arial,Hiragino Sans GB,WenQuanYi Micro Hei,Microsoft YaHei,sans-serif;margin:0}.estimator-page-container{padding-bottom:100px}.estimator-container{max-width:900px;margin:2rem auto;padding:0 1rem}.estimator-header{text-align:center;margin-bottom:2.5rem}.estimator-header h1{font-size:2.25rem;color:var(--text-color);margin-bottom:.5rem}.estimator-header p{font-size:1.1rem;color:#6c757d}.estimator-section{background-color:var(--section-bg-color);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem 2rem;margin-bottom:1.5rem;box-shadow:0 1px 3px #0000000d}.estimator-section h2{font-size:1.5rem;color:var(--text-highlight-color);margin-top:0;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:1px solid var(--border-color);grid-column:1 / -1}.spec-section{display:grid;grid-template-columns:1fr 1fr;gap:0 2rem;align-items:start}.full-width-option{grid-column:1 / -1}.page-count-display{grid-column:1 / -1;padding:1rem 1.5rem;background-color:#e6f9f7;border:1px solid #a3e9e1;border-radius:6px;font-size:1.1rem;color:var(--text-color);margin-bottom:1.5rem;text-align:center}.page-count-number{font-weight:700;color:var(--text-highlight-color);font-size:1.2rem}.page-count-icon{margin-right:.5rem}@media (max-width: 768px){.spec-section{grid-template-columns:1fr}}.page-count-main-text{margin-bottom:.25rem}.page-count-sub-text{font-size:.9rem;color:var(--special-price-color)}.spec-group{margin-bottom:2rem}.spec-group-title-container{display:flex;align-items:center;gap:.25rem;margin-bottom:.75rem}.spec-group-title{font-size:1rem;font-weight:600;color:#555;margin:0}.help-icon-button{padding:2px!important;color:#9e9e9e!important}.help-icon-button:hover{color:#000!important}.toggle-button-content{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;text-transform:none;line-height:1.2}.spec-image{width:40px;height:40px;object-fit:contain;border-radius:8px;margin-bottom:.25rem}.color-swatch{width:16px;height:16px;border-radius:50%;border:1px solid #e2e8f0}.help-popover-content{padding:8px;background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;box-shadow:0 2px 8px #0000001a}.help-image{display:block;width:256px;height:256px;object-fit:contain}.quantity-input-container{display:flex;align-items:center;justify-content:center}.quantity-btn{width:40px;height:40px;font-size:1.5rem;font-weight:700;color:var(--button-color);background-color:var(--section-bg-color);border:1px solid var(--border-color);cursor:pointer;transition:background-color .2s}.quantity-btn:hover:not(:disabled){background-color:#f0f0f0}.quantity-btn:disabled{color:#ccc;cursor:not-allowed}.quantity-input{width:100px;height:40px;text-align:center;font-size:1.2rem;border:1px solid var(--border-color);border-left:none;border-right:none;-moz-appearance:textfield;appearance:textfield}.quantity-input::-webkit-outer-spin-button,.quantity-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.quantity-input:focus{outline:2px solid var(--button-color);z-index:1}.quantity-btn:first-of-type{border-top-left-radius:6px;border-bottom-left-radius:6px}.quantity-btn:last-of-type{border-top-right-radius:6px;border-bottom-right-radius:6px}.quantity-input-container.size-small .quantity-btn{width:32px;height:32px;font-size:1.2rem}.quantity-input-container.size-small .quantity-input{width:50px;height:32px;font-size:.9rem}.price-footer-sticky{position:sticky;bottom:0;left:0;width:100%;background-color:var(--section-bg-color);padding:1rem 2rem;box-shadow:0 -2px 10px #00000014;z-index:1000;box-sizing:border-box}.price-footer-container{max-width:900px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.price-details{display:flex;align-items:baseline;gap:2rem;flex-wrap:wrap}.price-label{font-size:1rem;color:var(--text-color)}.price-value{font-weight:700;color:var(--text-highlight-color)}.unit-price{font-size:1.2rem}.total-price-group{display:flex;align-items:baseline}.total-price{font-size:2rem;color:var(--special-price-color)}.discount-badge{margin-left:1rem;padding:.2rem .6rem;font-size:.8rem;font-weight:700;color:#fff;background-color:var(--special-price-color);border-radius:4px;-webkit-user-select:none;user-select:none}@media (max-width: 600px){.price-footer-sticky{padding:1rem}.price-footer-container{flex-direction:column;align-items:stretch;gap:1rem}.price-details{justify-content:space-between;gap:.5rem}.checkout-button{width:100%}}.cover-dropzone{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:24px;border:2px dashed #cccccc;border-radius:8px;background-color:#f9f9f9;color:#555;cursor:pointer;transition:border-color .2s ease-in-out,background-color .2s ease-in-out;min-height:120px;text-align:center}.cover-dropzone:hover{background-color:#f0f0f0}.cover-status-display{display:flex;flex-direction:column;align-items:center;justify-content:center}.cover-text-content{display:flex;flex-direction:column;align-items:center}.cover-status-display.uploading{flex-direction:row}.cart-item-rwd{background-color:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:1.5rem;display:flex;flex-direction:row;justify-content:space-between;align-items:center;gap:1.5rem}.item-file-info{flex-grow:1;min-width:0}.item-filename{font-weight:700;color:#333;font-size:1.1rem;display:block;margin-bottom:1rem;overflow-wrap:break-word;word-break:break-all}.item-specs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:.5rem 1.5rem;font-size:.9rem;color:#555}.item-controls{display:flex;flex-direction:column;align-items:flex-end;flex-shrink:0;gap:1rem}.item-quantity-price{display:flex;align-items:center;gap:1.5rem}.item-price-container{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.item-price{font-size:1.25rem;font-weight:700;color:#fb373e}.discount-badge-cart{font-size:.75rem;font-weight:700;color:#fb373e;background-color:#ffebee;padding:2px 6px;border-radius:4px}.item-actions{display:flex;gap:.5rem}@media (max-width: 768px){.cart-item-rwd{flex-direction:column;align-items:stretch}.item-controls{align-items:flex-start;margin-top:1rem}.item-quantity-price{width:100%;justify-content:space-between}.item-actions{width:100%}.item-actions>.MuiButton-root{flex-grow:1}}.cart-page-container{max-width:1200px;margin:0 auto;padding:2rem}.cart-header h1{font-size:2rem;margin-bottom:2rem;color:#555}.cart-main-content{position:relative;padding-bottom:180px}.empty-cart{text-align:center;padding:4rem;width:100%}.cart-summary-panel{position:fixed;bottom:0;left:0;right:0;background-color:#fff;padding:1rem 1.5rem;border-top:1px solid #e2e8f0;z-index:100}.cart-summary-panel h2{display:none}.summary-row,.summary-total{display:flex;justify-content:space-between;margin-bottom:.5rem;font-size:1rem}.summary-total{font-size:1.2rem;font-weight:700;margin-top:.5rem}.summary-total .total-price{color:#fb373e}.cart-summary-panel>button{margin-top:1rem}@media (min-width: 992px){.cart-main-content{display:flex;gap:2rem;align-items:flex-start;padding-bottom:0}.cart-items-list-wrapper{flex:1}.cart-summary-panel{position:sticky;top:2rem;width:320px;flex-shrink:0;border:1px solid #e2e8f0;border-radius:8px;padding:1.5rem;background-color:#f8f9fa}.cart-summary-panel h2{display:block;font-size:1.25rem;margin-top:0;margin-bottom:1.5rem;border-bottom:1px solid #e2e8f0;padding-bottom:1rem}}body{overscroll-behavior-y:contain}