:root{--primary-color: #2563eb;--primary-dark: #1d4ed8;--primary-light: #3b82f6;--secondary-color: #64748b;--accent-color: #f59e0b;--success-color: #10b981;--error-color: #ef4444;--warning-color: #f59e0b;--white: #ffffff;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: .95rem;--font-size-lg: 1.05rem;--font-size-xl: 1.2rem;--font-size-2xl: 1.35rem;--font-size-3xl: 1.6rem;--font-size-4xl: 2rem;--spacing-025: .0625rem;--spacing-05: .125rem;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--spacing-16: 4rem;--spacing-20: 5rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-2xl: 1rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--transition-fast: .15s ease-in-out;--transition-normal: .25s ease-in-out;--transition-slow: .35s ease-in-out}*{box-sizing:border-box}html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;font-family:var(--font-family);font-feature-settings:normal}body{line-height:inherit;background-color:var(--white);color:var(--gray-900);font-size:var(--font-size-base);margin:0 auto;padding:0 var(--spacing-4)}@media (min-width: 1024px) and (max-width: 1600px){html{font-size:15px}}@media (min-width: 1601px){html{font-size:16px}}.header{background:var(--white);padding:12px 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.95);font-weight:700;margin:0 0 var(--spacing-4) 0;text-shadow:0 2px 4px rgba(0,0,0,.1)}.hero-section p{font-size:calc(var(--font-size-xl) * .95);opacity:.9;max-width:600px;margin:0 auto}.main-content{max-width:1000px;margin:0 auto;padding:0 var(--spacing-4)}.upload-section{margin-bottom:var(--spacing-8)}.back-to-upload{position:absolute;top:var(--spacing-4);right:var(--spacing-4);background:var(--gray-100);border:1px solid var(--gray-300);padding:var(--spacing-2) var(--spacing-4);border-radius:var(--radius-md);font-size:var(--font-size-sm);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;gap:var(--spacing-2);z-index:10}.back-to-upload:hover{background:var(--gray-200);border-color:var(--gray-400)}.payment-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-4)}.payment-modal{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:800px;width:100%;max-height:90vh;overflow-y:auto;padding:var(--spacing-8)}.content-layout{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-8);margin-bottom:var(--spacing-8)}.pdf-viewer-section,.form-section{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);overflow:hidden}.payment-section{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:var(--spacing-8);margin-top:var(--spacing-8)}.pdf-uploader{width:100%;max-width:none;margin:0}.upload-zone{border:2px dashed var(--gray-300);border-radius:var(--radius-xl);padding:var(--spacing-12);text-align:center;background:var(--white);transition:all var(--transition-normal);cursor:pointer;position:relative}.upload-zone:hover{border-color:var(--primary-color);background:var(--gray-50)}.upload-zone.drag-over{border-color:var(--primary-color);background:#3b82f61a;box-shadow:0 8px 25px #3b82f633;border-style:solid}.upload-zone.drag-over .upload-icon{color:var(--primary-color);transform:scale(1.1)}.upload-zone.drag-over h3{color:var(--primary-color)}.upload-zone.uploading{border-color:var(--primary-color);background:var(--gray-50)}.upload-icon{color:var(--gray-400);margin-bottom:var(--spacing-4)}.upload-zone h3{font-size:var(--font-size-2xl);font-weight:600;margin:0 0 var(--spacing-2) 0;color:var(--gray-900)}.upload-zone p{color:var(--gray-600);margin:0 0 var(--spacing-6) 0}.file-input{position:absolute;opacity:0;pointer-events:none}.upload-button{display:inline-flex;align-items:center;gap:var(--spacing-2);background:var(--primary-color);color:var(--white);padding:var(--spacing-3) var(--spacing-6);border-radius:var(--radius-lg);font-weight:500;cursor:pointer;transition:all var(--transition-fast);border:none;font-size:var(--font-size-base);margin-bottom:var(--spacing-6)}.upload-button:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.file-requirements{font-size:var(--font-size-sm);color:var(--gray-500);margin-top:var(--spacing-4)}.upload-progress{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-4)}.spinner{width:32px;height:32px;border:3px solid var(--gray-200);border-top:3px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}.error-message{display:flex;align-items:center;gap:var(--spacing-2);background:var(--error-color);opacity:.9;color:var(--gray-100);padding:var(--spacing-3) var(--spacing-4);border-radius:var(--radius-lg);margin-top:var(--spacing-4);font-size:var(--font-size-sm)}.pdf-viewer{height:100%;display:flex;flex-direction:column;background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px #0000001a;overflow:hidden}.pdf-viewer-header{padding:20px 24px;border-bottom:1px solid #e5e7eb;background:#f9fafb;display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.header-content h3{margin:0 0 8px;font-size:18px;font-weight:600;color:#111827}.file-info{display:flex;gap:16px;font-size:14px;color:#6b7280}.file-name{font-weight:500;color:#374151}.file-size,.page-count{color:#6b7280}.header-actions{display:flex;gap:12px;align-items:center}.start-new-btn{padding:8px 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p{color:var(--gray-600);margin:0}.customization-form{display:flex;flex-direction:column;gap:var(--spacing-8)}.form-section{background:none;box-shadow:none;border-radius:0;overflow:visible}.section-label{display:block;font-size:var(--font-size-lg);font-weight:600;color:var(--gray-900);margin-bottom:var(--spacing-4)}.option-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-3)}.option-row{display:flex;gap:var(--spacing-3)}.option-list{display:flex;flex-direction:column;gap:var(--spacing-3)}.option-card{position:relative;display:flex;align-items:center;padding:var(--spacing-4);border:2px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--white);cursor:pointer;transition:all var(--transition-fast)}.option-card:hover{border-color:var(--primary-color);box-shadow:var(--shadow-md)}.option-card.selected{border-color:var(--primary-color);background:var(--primary-color);opacity:.95;box-shadow:var(--shadow-md)}.option-card 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0;color:var(--gray-900)}.step-indicator{display:flex;justify-content:space-between;position:relative}.step-indicator:before{content:"";position:absolute;top:20px;left:20px;right:20px;height:2px;background:var(--gray-200);z-index:1}.step{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-2);position:relative;z-index:2}.step-number{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--gray-200);color:var(--gray-600);border-radius:50%;font-weight:600;transition:all var(--transition-fast)}.step.active .step-number{background:var(--primary-color);color:var(--white)}.step.completed .step-number{background:var(--success-color);color:var(--white)}.step-label{font-size:var(--font-size-sm);font-weight:500;color:var(--gray-600)}.step.active .step-label{color:var(--primary-color)}.step.completed .step-label{color:var(--success-color)}.order-summary{background:var(--gray-50);padding:var(--spacing-6);border-radius:var(--radius-lg);margin-bottom:var(--spacing-8)}.order-summary h4{margin:0 0 var(--spacing-4) 0;font-size:var(--font-size-lg);font-weight:600;color:var(--gray-900)}.summary-item{display:flex;justify-content:space-between;margin-bottom:var(--spacing-2);font-size:var(--font-size-sm)}.summary-total{display:flex;justify-content:space-between;padding-top:var(--spacing-3);border-top:1px solid var(--gray-200);font-weight:600;font-size:var(--font-size-lg);color:var(--gray-900)}.shipping-form,.payment-form{display:flex;flex-direction:column;gap:var(--spacing-6)}.shipping-form h4,.payment-form h4{margin:0 0 var(--spacing-4) 0;font-size:var(--font-size-xl);font-weight:600;color:var(--gray-900)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-4)}.form-row:has(.form-group:only-child){grid-template-columns:1fr}.form-group{display:flex;flex-direction:column;gap:var(--spacing-2)}.form-group label{font-weight:500;color:var(--gray-700);font-size:var(--font-size-sm)}.form-group input,.form-group select{padding:var(--spacing-3);border:1px solid var(--gray-300);border-radius:var(--radius-md);font-size:var(--font-size-base);transition:all var(--transition-fast);background-color:var(--white);color:var(--gray-900);width:100%;box-sizing:border-box}.form-group select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8.825L1.175 4 2.238 2.938 6 6.7l3.763-3.762L10.825 4z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--spacing-3) center;background-size:12px 12px;padding-right:calc(var(--spacing-3) * 2 + 12px)}.form-group 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var(--transition-fast)}.back-btn:hover{background:var(--gray-50);border-color:var(--gray-400)}.payment-actions{display:flex;justify-content:space-between;gap:var(--spacing-4)}.processing-state,.success-state{text-align:center;padding:var(--spacing-12)}.processing-spinner{width:48px;height:48px;border:4px solid var(--gray-200);border-top:4px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto var(--spacing-6) auto}.success-icon{color:var(--success-color);margin-bottom:var(--spacing-4)}.processing-state h4,.success-state h4{font-size:var(--font-size-2xl);font-weight:600;margin:0 0 var(--spacing-3) 0;color:var(--gray-900)}.processing-state p,.success-state p{color:var(--gray-600);margin:0 0 var(--spacing-6) 0}.order-details{background:var(--gray-50);padding:var(--spacing-4);border-radius:var(--radius-lg);margin-bottom:var(--spacing-6)}.order-details p{margin:var(--spacing-1) 0;font-size:var(--font-size-sm)}.new-order-btn{background:var(--primary-color);color:var(--white);padding:var(--spacing-3) var(--spacing-6);border-radius:var(--radius-lg);font-weight:500;border:none;cursor:pointer;transition:all var(--transition-fast)}.new-order-btn:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}@media (max-width: 768px){.header{width:calc(100% + (2 * var(--spacing-4)));margin-left:calc(-1 * var(--spacing-4));margin-right:calc(-1 * var(--spacing-4));margin-top:0;top:0;border-radius:0;border-left:none;border-right:none;border-top:none}.content-layout{grid-template-columns:1fr;gap:var(--spacing-6)}.hero-section{padding:var(--spacing-12) var(--spacing-4) var(--spacing-8)}.hero-section h1{font-size:var(--font-size-3xl)}.hero-section p{font-size:var(--font-size-lg)}.main-content{padding:0 var(--spacing-3)}.option-grid{grid-template-columns:1fr}.option-row{flex-direction:column}.form-row{grid-template-columns:1fr}.payment-actions{flex-direction:column}.step-indicator{flex-direction:column;gap:var(--spacing-4)}.step-indicator:before{display:none}.step{flex-direction:row;justify-content:flex-start}.payment-modal{padding:var(--spacing-6);margin:var(--spacing-2)}.pdf-viewer-header{padding:12px 16px;gap:8px;flex-wrap:wrap}.pdf-viewer-header .header-content{width:100%}.pdf-viewer-header .file-info{flex-wrap:wrap;row-gap:6px;font-size:12px}.pdf-viewer-header .header-actions,.pdf-viewer-header .start-new-btn{width:100%}.pdf-display,.pdf-container{height:60vh;min-height:60vh}}@media (max-width: 480px){.upload-zone{padding:var(--spacing-8)}.print-form,.payment-section{padding:var(--spacing-6)}}.global-drag-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#3b82f6e6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:9999;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease-out}.drag-overlay-content{background:#fff;padding:60px;border-radius:16px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;text-align:center;max-width:400px;animation:scaleIn .3s ease-out}.drag-overlay-content .upload-icon{color:#3b82f6;margin-bottom:24px}.drag-overlay-content h2{font-size:1.875rem;font-weight:600;color:#1e293b;margin-bottom:12px}.drag-overlay-content p{font-size:1.125rem;color:#64748b;margin:0}.global-upload-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9999;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease-out}.upload-overlay-content{background:#fff;padding:40px;border-radius:12px;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;text-align:center;max-width:350px;animation:scaleIn .3s ease-out}.upload-overlay-content .spinner{width:40px;height:40px;border:4px solid #e5e7eb;border-top:4px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}.upload-overlay-content h3{font-size:1.25rem;font-weight:600;color:#1e293b;margin-bottom:8px}.upload-overlay-content p{font-size:1rem;color:#64748b;margin:0}.global-error-message{position:fixed;top:20px;right:20px;background:#ef4444;color:#fff;padding:12px 16px;border-radius:8px;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;z-index:10000;display:flex;align-items:center;gap:8px;font-size:.875rem;font-weight:500;animation:slideInRight .3s ease-out;max-width:300px}.global-error-message svg{flex-shrink:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}