@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap";.signature-popup-root{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-page, #f5f5f5)}.signature-popup-root.signature-popup-loading{align-items:center;justify-content:center;color:var(--text-secondary, #666)}.signature-popup-header{display:flex;align-items:center;justify-content:space-between;padding:var(--s-3, 12px) var(--s-4, 16px);background:var(--header-bg, #1a1a1a);color:var(--header-text, #fff);flex-shrink:0}.signature-popup-title{margin:0;font-size:1rem;font-weight:600}.signature-popup-close{width:40px;height:40px;border:none;border-radius:50%;background:#ffffff26;color:inherit;font-size:1.5rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s ease}.signature-popup-close:hover{background:var(--orange, #e85d04)}.signature-canvas-container-popup{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--s-4, 16px);min-height:0}.app{display:flex;flex-direction:column;min-height:100vh;background:var(--bg-page)}.app.loading{align-items:center;justify-content:center}.loading-spinner{display:flex;flex-direction:column;align-items:center;gap:var(--s-4);color:var(--text-secondary)}.loading-spinner:before{content:"";width:40px;height:40px;border:3px solid var(--border-light);border-top-color:var(--orange);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.header{background:var(--header-bg);color:var(--header-text);box-shadow:var(--shadow-lg)}.header-content{max-width:1400px;margin:0 auto;padding:var(--s-4) var(--s-6);display:flex;align-items:center;justify-content:space-between;gap:var(--s-4)}.logo-section{display:flex;align-items:center;gap:var(--s-4)}.logo-icon{width:44px;height:44px;background:var(--orange);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1rem;color:var(--text-inverse);box-shadow:var(--shadow-orange)}.title-section h1{font-size:1.25rem;font-weight:700;color:var(--header-text);display:flex;align-items:baseline;gap:var(--s-2)}.title-section h1 .brand{color:var(--orange)}.subtitle{font-size:.8125rem;color:#fff9;margin-top:2px}.header-right{display:flex;align-items:center;gap:var(--s-3)}.language-select{padding:var(--s-2) var(--s-8) var(--s-2) var(--s-3);background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-md);font-size:.875rem;font-weight:500;color:#fff;cursor:pointer;transition:all .2s ease;-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='white' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;width:auto;min-width:140px}.language-select:hover{background-color:#ffffff26;border-color:#ffffff4d}.language-select:focus{outline:none;border-color:var(--orange);background-color:#ffffff1a}.language-select:focus:not(:focus-visible){border-color:#fff3}.language-select option{background:var(--grey-900);color:#fff;padding:var(--s-2)}.btn-help{padding:var(--s-2) var(--s-3);background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-md);font-size:.875rem;font-weight:500;color:#fff;cursor:pointer;transition:all .2s ease}.btn-help:hover{background:#ffffff26;border-color:#ffffff4d}.btn-help:is(a){text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--s-4);animation:fadeIn .2s ease}.modal{background:var(--bg-card);border-radius:var(--r-xl);box-shadow:var(--shadow-xl);max-width:600px;width:100%;max-height:85vh;display:flex;flex-direction:column;animation:slideUp .3s var(--ease-out)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--s-5) var(--s-6);border-bottom:1px solid var(--border-light)}.modal-header h2{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0}.modal-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-hover);border:none;border-radius:var(--r-full);font-size:1.5rem;color:var(--text-muted);cursor:pointer;transition:all .15s ease;line-height:1}.modal-close:hover{background:var(--bg-input);color:var(--text-primary)}.modal-content{padding:var(--s-6);overflow-y:auto;flex:1}.modal-footer{padding:var(--s-4) var(--s-6);border-top:1px solid var(--border-light);display:flex;justify-content:flex-end}.help-modal .modal-content{display:flex;flex-direction:column;gap:var(--s-5)}.help-section{padding:var(--s-4);background:var(--bg-hover);border-radius:var(--r-lg);border-left:4px solid var(--orange)}.help-section h3{font-size:1rem;font-weight:600;color:var(--orange);margin:0 0 var(--s-2) 0}.help-section p{font-size:.9375rem;color:var(--text-secondary);margin:0;line-height:1.6}.help-section-highlight{background:#ff6b351a;border-left-color:var(--orange)}.help-intro{background:linear-gradient(135deg,#ff6b3526,#ff6b350d);border-left-width:5px;padding:var(--s-5)}.help-intro h3{font-size:1.125rem;margin-bottom:var(--s-3)}.help-intro p{font-size:1rem;line-height:1.7}.faq-modal .modal-content{display:flex;flex-direction:column;gap:var(--s-4)}.faq-item{padding:var(--s-4);background:var(--bg-hover);border-radius:var(--r-lg);border-left:4px solid var(--orange);transition:all .2s ease}.faq-item:hover{background:#ff6b350d;border-left-width:5px}.faq-question{font-size:1rem;font-weight:600;color:var(--orange);margin:0 0 var(--s-3) 0;display:flex;align-items:flex-start;gap:var(--s-2)}.faq-question:before{content:"❓";font-size:1.125rem;flex-shrink:0;margin-top:2px}.faq-answer{font-size:.9375rem;color:var(--text-secondary);margin:0;line-height:1.7;padding-left:var(--s-6)}.header-badge{display:flex;align-items:center;gap:var(--s-2);padding:var(--s-2) var(--s-4);background:#ffffff1a;border-radius:var(--r-full);font-size:.75rem;font-weight:500;color:#ffffffe6}.header-badge .status-dot{width:8px;height:8px;background:var(--success);border-radius:50%;animation:pulse 2s ease-in-out infinite}.main{flex:1;max-width:900px;margin:0 auto;width:100%;padding:var(--s-6);display:flex;flex-direction:column;gap:var(--s-6)}.preset-manager{background:var(--bg-card);border-radius:var(--r-xl);box-shadow:var(--shadow-md);overflow:hidden;border:1px solid var(--border-light)}.preset-header{padding:var(--s-4) var(--s-5);background:var(--bg-hover);border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;gap:var(--s-3)}.preset-header h3{font-size:.9375rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:var(--s-2)}.preset-header h3:before{content:"⚙️";font-size:1rem}.preset-actions{display:flex;gap:var(--s-2)}.preset-actions .btn{min-width:72px;height:34px;padding:0 var(--s-3);font-size:.8125rem}.preset-actions .btn-primary{box-shadow:none}.preset-actions .btn-primary:hover:not(:disabled){box-shadow:var(--shadow-sm)}.preset-form{padding:var(--s-5);background:var(--bg-hover);border-bottom:1px solid var(--border-light);animation:fadeIn .2s var(--ease-out)}.preset-form h4{font-size:.9375rem;color:var(--orange);margin-bottom:var(--s-4);display:flex;align-items:center;gap:var(--s-2)}.form-group{margin-bottom:var(--s-4)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--s-3)}.custom-dpi-input{margin-top:var(--s-2)}.pixel-preview{display:flex;align-items:center;justify-content:space-between;padding:var(--s-3) var(--s-4);background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--r-md);margin-bottom:var(--s-4)}.pixel-preview .preview-label{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.pixel-preview .preview-value{font-family:var(--font-mono);font-size:.9375rem;font-weight:600;color:var(--orange)}.form-actions{display:flex;gap:var(--s-2);padding-top:var(--s-2)}.form-actions .btn{flex:1;min-width:100px}.preset-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--s-3);padding:var(--s-4);max-height:300px;overflow-y:auto}.preset-item{display:flex;align-items:center;justify-content:space-between;padding:var(--s-4);margin-bottom:var(--s-2);border-radius:var(--r-md);cursor:pointer;transition:all .15s var(--ease-out);border:2px solid transparent;background:var(--bg-card)}.preset-item:hover{background:var(--bg-hover);border-color:var(--border-light)}.preset-item.selected{background:var(--bg-selected);border-color:var(--orange)}.preset-info{flex:1;min-width:0}.preset-name{font-weight:600;font-size:.9375rem;color:var(--text-primary);margin-bottom:4px;display:flex;align-items:center;gap:var(--s-2)}.preset-item.selected .preset-name:before{content:"●";color:var(--orange);font-size:.625rem}.preset-details{font-size:.8125rem;color:var(--text-muted);display:flex;flex-wrap:wrap;gap:var(--s-1) var(--s-3)}.preset-pixels{font-family:var(--font-mono);font-size:.75rem;color:var(--orange)}.preset-item-actions{display:flex;gap:var(--s-1);opacity:0;transition:opacity .15s var(--ease-out)}.preset-item:hover .preset-item-actions{opacity:1}.content{min-width:0}.intro-section{background:linear-gradient(135deg,#ff6b3514,#ff6b3508);border-radius:var(--r-xl);padding:var(--s-8) var(--s-8);margin-bottom:var(--s-6);border:1px solid var(--border-light);box-shadow:0 2px 8px #0000000a;position:relative;overflow:hidden;max-width:1200px;margin-left:auto;margin-right:auto}.intro-section:before{content:"";position:absolute;top:0;right:0;width:200px;height:200px;background:radial-gradient(circle,rgba(255,107,53,.1) 0%,transparent 70%);border-radius:50%;transform:translate(30%,-30%);pointer-events:none}.intro-section h2{font-size:1.75rem;font-weight:700;color:var(--orange);margin:0 0 var(--s-5) 0;line-height:1.3;position:relative;z-index:1}.intro-section p{font-size:1.0625rem;color:var(--text-primary);margin:0 0 var(--s-6) 0;line-height:1.8;max-width:900px;position:relative;z-index:1;font-weight:400}.intro-features{display:flex;gap:var(--s-4);flex-wrap:wrap;position:relative;z-index:1;margin-top:0}.intro-feature{display:flex;align-items:center;gap:var(--s-2);padding:var(--s-2) var(--s-4);background:#fff9;border-radius:var(--r-lg);border:1px solid rgba(255,107,53,.2);transition:all .2s ease}.intro-feature:hover{background:#fffc;border-color:#ff6b3566;transform:translateY(-2px);box-shadow:0 2px 8px #ff6b3526}.feature-icon{font-size:1.25rem;line-height:1}.feature-text{font-size:.9375rem;font-weight:600;color:var(--text-primary)}.signature-section{background:var(--bg-card);border-radius:var(--r-xl);padding:var(--s-8);box-shadow:var(--shadow-md);border:1px solid var(--border-light)}.employee-input{margin-bottom:var(--s-6)}.employee-input input{max-width:400px;height:52px;font-size:1.0625rem}.size-config{background:var(--bg-card);border-radius:var(--r-xl);padding:var(--s-5);margin-bottom:var(--s-5);box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}.size-config-header{display:flex;align-items:center;justify-content:space-between;gap:var(--s-4);margin-bottom:var(--s-4);flex-wrap:wrap}.size-config-header .unit-toggle{display:inline-flex}.size-config-header-actions{display:flex;align-items:center;gap:var(--s-2);flex-wrap:wrap}.size-config-header-actions .resolution-link{font-size:.8125rem}.size-inputs{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s-4);align-items:end}.size-input-group{display:flex;flex-direction:column;gap:var(--s-2)}.size-input-group label{margin-bottom:0}.dpi-row{display:flex;align-items:center;gap:var(--s-2);flex-wrap:wrap}.dpi-detected-label{font-size:.8125rem;color:var(--text-muted);font-weight:500}.resolution-actions{margin-top:var(--s-2);display:flex;align-items:center;gap:var(--s-1);flex-wrap:wrap}.resolution-link{background:none;border:none;padding:0;font-size:.8125rem;color:var(--orange);cursor:pointer;text-decoration:underline;text-underline-offset:2px;transition:color .15s ease}.resolution-link:hover{color:var(--orange-light)}.resolution-sep{font-size:.8125rem;color:var(--text-muted);-webkit-user-select:none;user-select:none}.input-with-unit{display:flex;align-items:center;gap:var(--s-2)}.input-with-unit input{flex:1;min-width:0}.input-with-unit .unit{font-size:.875rem;font-weight:500;color:var(--text-muted);min-width:32px}.slider-wrapper{position:relative;width:100%;margin-top:var(--s-2)}.size-slider{width:100%;height:6px;border-radius:var(--r-full);background:var(--bg-input);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:all .2s ease}.slider-indicator{position:absolute;top:-24px;font-size:.6875rem;font-weight:600;padding:2px 6px;border-radius:var(--r-sm);pointer-events:none;animation:fadeIn .2s ease}.min-indicator{left:0;background:var(--text-muted);color:#fff}.max-indicator{right:0;background:var(--orange-light);color:#fff}.size-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--orange);cursor:pointer;border:2px solid white;box-shadow:0 2px 4px #0003;transition:all .2s ease}.size-slider::-webkit-slider-thumb:hover{transform:scale(1.1);box-shadow:0 3px 6px #ff6b3566}.size-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--orange);cursor:pointer;border:2px solid white;box-shadow:0 2px 4px #0003;transition:all .2s ease}.size-slider::-moz-range-thumb:hover{transform:scale(1.1);box-shadow:0 3px 6px #ff6b3566}.size-slider.at-min::-webkit-slider-thumb,.size-slider.at-min::-moz-range-thumb{background:var(--text-muted)}.size-slider.at-max::-webkit-slider-thumb,.size-slider.at-max::-moz-range-thumb{background:var(--orange-light)}.size-slider::-webkit-slider-runnable-track{width:100%;height:6px;background:var(--bg-input);border-radius:var(--r-full)}.size-slider.at-min::-webkit-slider-runnable-track{background:linear-gradient(to right,var(--text-muted) 0%,var(--bg-input) 2%,var(--bg-input) 100%)}.size-slider.at-max::-webkit-slider-runnable-track{background:linear-gradient(to right,var(--bg-input) 0%,var(--bg-input) 98%,var(--orange-light) 100%)}.size-slider::-moz-range-track{width:100%;height:6px;background:var(--bg-input);border-radius:var(--r-full)}.slider-labels{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);margin-top:var(--s-1)}.slider-label-min,.slider-label-max{font-family:var(--font-mono);font-size:.6875rem}.size-result{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:44px;padding:var(--s-2) var(--s-3);background:var(--bg-input);border:2px solid var(--border-light);border-radius:var(--r-md);text-align:center}.size-result .result-primary{font-family:var(--font-mono);font-size:.9375rem;font-weight:600;color:var(--orange);line-height:1.3}.size-result .result-secondary{font-size:.75rem;color:var(--text-muted);font-family:var(--font-mono);line-height:1.3}.size-config-footer{margin-top:var(--s-3);display:flex;justify-content:flex-end}.size-config-footer .calibration-change-link{font-size:.8125rem}.size-optional{margin-top:var(--s-4);padding:var(--s-3);background:var(--bg-hover);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;gap:var(--s-3)}.unit-toggle{display:flex;gap:var(--s-2)}.unit-toggle .btn.active{background:var(--orange);color:#fff;border-color:var(--orange)}.optional-values{font-size:.875rem;color:var(--text-secondary);font-family:var(--font-mono)}.presets-toggle{margin-top:var(--s-4);display:flex;justify-content:center}.presets-toggle .btn.active{background:var(--bg-hover);border-color:var(--orange);color:var(--orange)}.presets-panel{background:var(--bg-card);border-radius:var(--r-xl);padding:var(--s-4);margin-bottom:var(--s-5);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);animation:fadeIn .2s var(--ease-out)}.presets-header{display:flex;justify-content:flex-end;margin-bottom:var(--s-3)}.presets-actions{display:flex;gap:var(--s-2)}.presets-list{display:flex;flex-wrap:wrap;gap:var(--s-2)}.preset-chip{display:flex;align-items:center;gap:var(--s-2);padding:var(--s-2) var(--s-3);background:var(--bg-hover);border:1px solid var(--border-light);border-radius:var(--r-full);cursor:pointer;transition:all .15s ease}.preset-chip:hover{border-color:var(--orange);background:#ff6b351a}.preset-chip-name{font-size:.8125rem;font-weight:600;color:var(--text-primary)}.preset-chip-details{font-size:.75rem;color:var(--text-muted)}.preset-chip-delete{width:20px;height:20px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:50%;color:var(--text-muted);cursor:pointer;font-size:1rem;line-height:1;transition:all .15s ease}.preset-chip-delete:hover{background:#ff00001a;color:#e53935}.no-presets{width:100%;padding:var(--s-4);text-align:center;color:var(--text-muted);font-size:.875rem}.signature-info{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s-4);margin-bottom:var(--s-6);padding:var(--s-5);background:var(--bg-hover);border-radius:var(--r-lg);border:1px solid var(--border-light)}.info-item{display:flex;flex-direction:column;gap:var(--s-1)}.info-item .label{font-size:.6875rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em}.info-item .value{font-family:var(--font-mono);font-size:.9375rem;font-weight:600;color:var(--text-primary)}.canvas-wrapper{margin-bottom:var(--s-6);overflow:auto;display:flex;justify-content:center;align-items:center;min-height:200px;max-height:60vh;width:100%;max-width:100%;margin-left:0;margin-right:0;border:1px solid var(--border-light);border-radius:var(--r-lg);background:var(--bg-hover);padding:var(--s-4);scrollbar-width:thin;scrollbar-color:var(--orange) var(--bg-hover);box-sizing:border-box}.canvas-wrapper::-webkit-scrollbar{width:8px;height:8px}.canvas-wrapper::-webkit-scrollbar-track{background:var(--bg-hover);border-radius:var(--r-sm)}.canvas-wrapper::-webkit-scrollbar-thumb{background:var(--orange);border-radius:var(--r-sm)}.canvas-wrapper::-webkit-scrollbar-thumb:hover{background:var(--orange-light)}.canvas-fullscreen-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000bf;display:flex;align-items:center;justify-content:center;padding:var(--s-6);box-sizing:border-box}.canvas-fullscreen-content{position:relative;width:100%;height:100%;max-width:95vw;max-height:95vh;overflow:auto;display:flex;align-items:center;justify-content:center;background:var(--bg-card);border-radius:var(--r-xl);box-shadow:0 20px 60px #0006;scrollbar-width:thin;scrollbar-color:var(--orange) var(--bg-hover)}.canvas-fullscreen-content::-webkit-scrollbar{width:10px;height:10px}.canvas-fullscreen-content::-webkit-scrollbar-track{background:var(--bg-hover);border-radius:var(--r-sm)}.canvas-fullscreen-content::-webkit-scrollbar-thumb{background:var(--orange);border-radius:var(--r-sm)}.canvas-fullscreen-close{position:absolute;top:var(--s-4);right:var(--s-4);z-index:10;width:44px;height:44px;border-radius:50%;border:2px solid var(--border-light);background:var(--bg-card);color:var(--text-primary);font-size:1.5rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;box-shadow:var(--shadow-sm)}.canvas-fullscreen-close:hover{background:var(--orange);color:#fff;border-color:var(--orange)}.signature-canvas-container-fullscreen{margin:var(--s-8);flex-shrink:0}.canvas-fullscreen-btn{position:absolute;top:var(--s-2);right:var(--s-2);z-index:2;width:36px;height:36px;display:flex;align-items:center;justify-content:center;padding:0;border:1px solid var(--border-light);border-radius:var(--r-md);background:var(--bg-card);color:var(--text-primary);cursor:pointer;box-shadow:var(--shadow-sm);transition:background .15s ease,border-color .15s ease,transform .15s ease}.canvas-fullscreen-btn:hover{background:var(--bg-hover);border-color:var(--orange);color:var(--orange);transform:scale(1.05)}.canvas-fullscreen-btn:focus-visible{outline:2px solid var(--orange);outline-offset:2px}.canvas-fullscreen-btn-secondary{right:50px}.canvas-fullscreen-icon{font-size:1.125rem;line-height:1}.calibration-apply-inline{margin-top:var(--s-3)}.calibration-apply-inline label{display:block;font-size:.8125rem;font-weight:600;color:var(--text-secondary);margin-bottom:var(--s-2)}.calibration-cm-inputs{display:flex;align-items:center;gap:var(--s-2);flex-wrap:wrap}.calibration-cm-inputs input{width:80px;padding:var(--s-2) var(--s-3);border:1px solid var(--border-light);border-radius:var(--r-md);font-size:.9375rem}.calibration-change-link{margin-top:var(--s-2);background:none;border:none;padding:0;font-size:.8125rem;color:var(--orange);cursor:pointer;text-decoration:underline}.calibration-change-link:hover{color:var(--orange-light)}.calibration-modal .calibration-intro{margin:0 0 var(--s-3) 0;font-size:.9375rem;color:var(--text-secondary);line-height:1.6}.calibration-modal .calibration-reference{margin:0 0 var(--s-4) 0;font-size:.8125rem;color:var(--text-muted);font-family:var(--font-mono)}.calibration-actions-top{margin-bottom:var(--s-4)}.calibration-actions-top .btn{font-size:.9375rem}.calibration-rect-wrap{display:flex;justify-content:center;margin:var(--s-5) 0;padding:var(--s-4);background:var(--bg-page);border-radius:var(--r-md)}.calibration-rect{position:relative;background:linear-gradient(135deg,#ff6b3533,#ff6b3566);border:3px solid var(--orange);border-radius:var(--r-md);box-shadow:0 4px 12px #00000026;flex-shrink:0}.calibration-resize-handle{position:absolute;z-index:2;background:transparent}.calibration-resize-handle:hover{background:#ff6b3540}.calibration-resize-e{top:0;right:0;width:12px;height:100%;cursor:ew-resize}.calibration-resize-s{bottom:0;left:0;width:100%;height:12px;cursor:ns-resize}.calibration-resize-se{bottom:0;right:0;width:20px;height:20px;cursor:nwse-resize;border-radius:0 0 var(--r-md) 0}.calibration-inputs{display:flex;gap:var(--s-5);flex-wrap:wrap}.calibration-inputs .size-input-group input{width:100%;max-width:120px;padding:var(--s-2) var(--s-3)}.signature-canvas-container{position:relative;display:inline-flex;justify-content:center;align-items:center;max-width:100%;width:auto;flex-shrink:0;min-width:0;border-radius:var(--r-md);padding:var(--s-2);background-color:transparent}.signature-canvas-container.bg-transparent{background-image:linear-gradient(45deg,#e0e0e0 25%,transparent 25%),linear-gradient(-45deg,#e0e0e0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e0e0e0 75%),linear-gradient(-45deg,transparent 75%,#e0e0e0 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px;background-color:#f5f5f5}.signature-placeholder{position:absolute;top:55%;left:50%;transform:translate(-50%,-50%);font-size:1rem;font-weight:500;color:var(--text-muted);pointer-events:none;opacity:.5;z-index:10;white-space:nowrap;display:flex;align-items:center;justify-content:center;gap:var(--s-2);background:#fffc;padding:var(--s-1) var(--s-3);border-radius:var(--r-sm)}.signature-placeholder:before{content:"✍️";font-size:1.25rem}.signature-canvas{display:block;cursor:crosshair;background:transparent;border:1px solid #e0e0e0;border-radius:var(--r-md);box-shadow:0 1px 3px #0000001a;position:relative;z-index:1;transition:all .2s var(--ease-out);max-width:100%;height:auto;flex-shrink:0}.signature-canvas:hover{border-color:var(--orange);box-shadow:0 2px 6px #ff6b3526}.color-options-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--s-6);margin-bottom:var(--s-6)}.color-selector{display:flex;flex-direction:column}.color-selector>label{margin-bottom:var(--s-3)}@media (max-width: 768px){.color-options-row{grid-template-columns:1fr;gap:var(--s-4)}}.bg-options{display:flex;align-items:center;gap:var(--s-2);flex-wrap:wrap}.bg-option{display:flex;align-items:center;gap:var(--s-2);padding:var(--s-2) var(--s-3);background:var(--bg-card);border:2px solid var(--border-light);border-radius:var(--r-md);cursor:pointer;font-size:.8125rem;font-weight:500;color:var(--text-secondary);transition:all .15s var(--ease-out)}.bg-option:hover{border-color:var(--border-medium);background:var(--bg-hover)}.bg-option.active{border-color:var(--orange);background:var(--bg-selected);color:var(--text-primary)}.bg-preview{width:20px;height:20px;border-radius:var(--r-sm);border:1px solid var(--border-medium);flex-shrink:0}.transparent-preview{background:linear-gradient(45deg,#ccc 25%,transparent 25%),linear-gradient(-45deg,#ccc 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ccc 75%),linear-gradient(-45deg,transparent 75%,#ccc 75%);background-size:8px 8px;background-position:0 0,0 4px,4px -4px,-4px 0;background-color:#fff}.white-preview{background:#fff}.custom-preview{border:none;box-shadow:inset 0 0 0 1px #0000001a}.rainbow-preview{background:linear-gradient(135deg,#ff6b6b,#ffd93d,#6bcb77,#4d96ff,#9b59b6);border:none}.color-input-row{display:flex;align-items:center;gap:var(--s-2);margin-top:var(--s-3);padding:var(--s-3);background:var(--bg-hover);border-radius:var(--r-md);border:1px solid var(--border-light)}.hex-input{width:100px;height:36px;padding:0 var(--s-3);font-family:var(--font-mono);font-size:.875rem;text-transform:uppercase}.color-picker{width:40px;height:36px;padding:2px;border:2px solid var(--border-light);border-radius:var(--r-sm);cursor:pointer;background:var(--bg-card)}.color-picker::-webkit-color-swatch-wrapper{padding:2px}.color-picker::-webkit-color-swatch{border:none;border-radius:4px}.signature-controls{display:flex;flex-wrap:wrap;align-items:center;gap:var(--s-4);margin-bottom:var(--s-6)}.controls-group{display:flex;gap:var(--s-2)}.controls-group .btn{min-width:110px;height:44px}.btn-export{min-width:200px;height:52px;font-size:1rem;font-weight:600;gap:var(--s-3);padding:0 var(--s-8)}.filename-preview{display:flex;align-items:center;gap:var(--s-4);padding:var(--s-4) var(--s-5);background:var(--bg-hover);border:1px solid var(--border-light);border-radius:var(--r-lg)}.filename-preview .file-icon{width:44px;height:44px;background:var(--orange-subtle);border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0}.filename-preview .file-info{flex:1;min-width:0}.filename-preview .file-label{font-size:.6875rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--s-1)}.filename-preview code{display:block;font-family:var(--font-mono);font-size:.875rem;font-weight:500;color:var(--orange);word-break:break-all}.no-preset-message{text-align:center;padding:var(--s-12);color:var(--text-muted);background:var(--bg-hover);border-radius:var(--r-lg);border:2px dashed var(--border-medium)}.no-preset-message:before{content:"📝";display:block;font-size:2rem;margin-bottom:var(--s-4)}.seo-faq-section{background:var(--bg-page);padding:var(--s-8) var(--s-6);border-top:1px solid var(--border-light);scroll-margin-top:100px}.seo-faq-container{max-width:1200px;margin:0 auto}.seo-faq-container>h2{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--s-4);text-align:center}.seo-faq-intro{font-size:1rem;color:var(--text-secondary);text-align:center;max-width:800px;margin:0 auto var(--s-6) auto;line-height:1.7}.seo-faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--s-5)}.seo-faq-item{background:var(--bg-card);padding:var(--s-5);border-radius:var(--r-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-sm)}.seo-faq-item h3{font-size:1.125rem;font-weight:600;color:var(--orange);margin:0 0 var(--s-3) 0}.seo-faq-item p{font-size:.9375rem;color:var(--text-secondary);margin:0;line-height:1.7}.footer{background:var(--bg-card);border-top:1px solid var(--border-light);padding:var(--s-5) var(--s-6);text-align:center}.footer p{font-size:.8125rem;color:var(--text-muted)}.footer .brand{color:var(--orange);font-weight:600}@media (max-width: 1100px){.main{padding:var(--s-4);gap:var(--s-4)}.preset-list{max-height:200px}.signature-info{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.header-content{flex-direction:column;text-align:center}.intro-section{padding:var(--s-6) var(--s-5);margin-bottom:var(--s-4)}.intro-section h2{font-size:1.375rem;margin-bottom:var(--s-4)}.intro-section p{font-size:1rem;line-height:1.7;margin-bottom:var(--s-5)}.intro-features{flex-direction:column;gap:var(--s-3)}.intro-feature{width:100%;justify-content:center}.signature-section{padding:var(--s-5)}.signature-info{grid-template-columns:1fr 1fr;gap:var(--s-3)}.signature-controls{flex-direction:column;align-items:stretch}.controls-group{justify-content:center}.controls-group .btn{flex:1}.btn-export{width:100%}.filename-preview{flex-direction:column;text-align:center}.seo-faq-section{padding:var(--s-5) var(--s-4)}.seo-faq-grid{grid-template-columns:1fr}.seo-faq-container>h2{font-size:1.5rem}}:root{--orange: #ff6b35;--orange-light: #ff8a5c;--orange-dark: #e85a28;--orange-glow: rgba(255, 107, 53, .2);--orange-subtle: rgba(255, 107, 53, .08);--bg-page: #f5f7fa;--bg-card: #ffffff;--bg-input: #f8fafc;--bg-hover: #f1f5f9;--bg-selected: #fff7f5;--border-light: #e2e8f0;--border-medium: #cbd5e1;--border-focus: var(--orange);--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #94a3b8;--text-inverse: #ffffff;--header-bg: #1e293b;--header-text: #ffffff;--success: #22c55e;--success-light: #dcfce7;--error: #ef4444;--warning: #f59e0b;--s-1: .25rem;--s-2: .5rem;--s-3: .75rem;--s-4: 1rem;--s-5: 1.25rem;--s-6: 1.5rem;--s-8: 2rem;--s-10: 2.5rem;--s-12: 3rem;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-xl: 20px;--r-full: 9999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.03);--shadow-lg: 0 10px 25px rgba(0,0,0,.08), 0 4px 10px rgba(0,0,0,.04);--shadow-xl: 0 20px 40px rgba(0,0,0,.1);--shadow-orange: 0 4px 14px rgba(255, 107, 53, .25);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-bounce: cubic-bezier(.34, 1.56, .64, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--bg-page);color:var(--text-primary);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}::selection{background:var(--orange);color:var(--text-inverse)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-page)}::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:var(--r-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}h1,h2,h3,h4{font-weight:700;line-height:1.2;color:var(--text-primary);letter-spacing:-.02em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s-2);height:40px;padding:0 var(--s-4);font-size:.875rem;font-weight:600;font-family:var(--font-sans);letter-spacing:-.01em;border:none;border-radius:var(--r-md);cursor:pointer;transition:all .15s var(--ease-out);white-space:nowrap}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--orange);color:var(--text-inverse);box-shadow:var(--shadow-orange)}.btn-primary:hover:not(:disabled){background:var(--orange-light);box-shadow:0 6px 20px #ff6b3559}.btn-secondary{background:var(--text-primary);color:var(--text-inverse)}.btn-secondary:hover:not(:disabled){background:var(--text-secondary)}.btn-ghost{background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border-light)}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-medium);color:var(--text-primary)}.btn-sm{height:36px;padding:0 var(--s-3);font-size:.8125rem;border-radius:var(--r-sm)}.btn-icon{width:36px;height:36px;padding:0;background:transparent;border:none;border-radius:var(--r-sm);color:var(--text-muted);cursor:pointer;transition:all .15s var(--ease-out);display:flex;align-items:center;justify-content:center;font-size:1rem}.btn-icon:hover{background:var(--bg-hover);color:var(--orange)}.btn-group{display:flex;gap:var(--s-2)}.btn-group .btn{min-width:100px}.btn-group-sm .btn{min-width:80px;height:36px}input,select{width:100%;height:44px;padding:0 var(--s-4);font-size:.9375rem;font-family:var(--font-sans);background:var(--bg-input);border:2px solid var(--border-light);border-radius:var(--r-md);color:var(--text-primary);transition:all .15s var(--ease-out);outline:none}input::placeholder{color:var(--text-muted)}input:hover:not(:focus){border-color:var(--border-medium)}input:focus,select:focus{border-color:var(--orange);background:var(--bg-card);box-shadow:0 0 0 4px var(--orange-subtle)}select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px}label{display:block;font-size:.75rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--s-2)}label.btn{text-transform:none;letter-spacing:normal}.error-message{display:flex;align-items:center;gap:var(--s-2);padding:var(--s-3) var(--s-4);background:#fef2f2;border:1px solid #fecaca;border-radius:var(--r-md);color:#dc2626;font-size:.875rem;margin-bottom:var(--s-4)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-in{animation:fadeIn .4s var(--ease-out) forwards}