.home-page{width:100%;max-width:1200px;margin:0 auto;padding:20px}.home-header{text-align:center;margin-bottom:40px;padding:30px 20px;background:var(--color-background-light);border-radius:12px;box-shadow:0 2px 10px #0000001a}.home-header h1{font-size:2.5rem;color:var(--color-text-primary);margin:0 0 15px;font-weight:700}.home-header p{font-size:1.1rem;color:var(--color-text-secondary);margin:0;line-height:1.6}.home-header .header-subtitle{font-size:1.15rem;color:var(--color-text-secondary);line-height:1.7;max-width:800px;margin:0 auto 20px}.home-header .header-tagline{font-size:1rem;color:var(--color-primary);margin:20px 0 0;font-weight:600;letter-spacing:.5px}.category-filters{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px;padding:20px;background:var(--color-background-light);border-radius:12px;box-shadow:0 2px 10px #0000001a}.category-filter{padding:10px 20px;border:2px solid var(--color-border);border-left:4px solid var(--color-primary);background:var(--color-background-light);border-radius:8px;cursor:pointer;font-size:.95rem;font-weight:500;color:var(--color-text-secondary);transition:all .3s}.category-filter:hover{background:var(--color-background);border-color:var(--color-primary);transform:translateY(-2px);box-shadow:0 4px 8px #0000001a}.category-filter.active{background:var(--color-primary);color:var(--color-text-white);border-color:var(--color-primary)}.utility-category-section{margin-bottom:40px}.category-title{font-size:1.8rem;color:var(--color-text-primary);margin:0 0 20px;padding:15px 20px;background:var(--color-background-light);border-radius:12px 12px 0 0;border-left:5px solid var(--color-primary);box-shadow:0 2px 10px #0000001a;display:flex;align-items:center;gap:10px}.category-title span{font-size:1.5rem}.utilities-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;padding:20px;background:var(--color-background-light);border-radius:0 0 12px 12px;box-shadow:0 2px 10px #0000001a}.utility-card{background:#f9f9f9;border:2px solid var(--color-border);border-radius:12px;padding:25px;text-align:center;cursor:pointer;transition:all .3s;position:relative;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center}.utility-card:hover:not(.coming-soon){transform:translateY(-5px);box-shadow:0 8px 20px #00000026;border-color:var(--color-primary);background:var(--color-background-light)}.utility-card.coming-soon{opacity:.6;cursor:not-allowed}.utility-icon{font-size:3rem;margin-bottom:15px}.utility-card h3{font-size:1.3rem;color:var(--color-text-primary);margin:0 0 10px;font-weight:600}.utility-card p{font-size:.95rem;color:var(--color-text-secondary);margin:0;line-height:1.5}.coming-soon-badge{position:absolute;top:10px;right:10px;background:#ff9800;color:#fff;padding:5px 12px;border-radius:20px;font-size:.75rem;font-weight:600}@media(max-width:768px){.home-page{padding:10px}.home-header{padding:20px 15px}.home-header h1{font-size:1.8rem}.home-header p{font-size:.95rem}.category-filters{padding:15px}.category-filter{padding:8px 15px;font-size:.85rem}.utilities-grid{grid-template-columns:1fr;padding:15px;gap:15px}.utility-card{padding:20px;min-height:180px}.category-title{font-size:1.4rem;padding:12px 15px}}.signature-stamper{width:100%}.feature-header{text-align:center;margin-bottom:30px;padding:20px;background:#fff;border-radius:10px;box-shadow:0 2px 10px #0000001a;position:relative}.back-button{position:absolute;top:20px;left:20px;padding:8px 16px;background:var(--color-primary);color:var(--color-text-white);border:none;border-radius:6px;cursor:pointer;font-weight:500;font-size:.9rem;transition:background .3s}.back-button:hover{background:var(--color-primary-dark)}.feature-header h1{color:#333;margin-bottom:10px;font-size:2rem}.feature-header p{color:#666;font-size:1rem;line-height:1.6;max-width:800px;margin:0 auto 15px}.feature-list{list-style:none;padding:0;margin:15px auto 0;display:flex;flex-wrap:wrap;gap:15px;justify-content:center;max-width:800px;color:#555;font-size:.95rem}.feature-list li{padding:5px 10px;background:var(--color-background);border-radius:4px;border-left:3px solid var(--color-primary)}.controls{display:flex;flex-wrap:wrap;gap:15px;justify-content:center;margin-bottom:20px;padding:20px;background:#fff;border-radius:10px;box-shadow:0 2px 10px #0000001a}.control-group{display:flex;flex-direction:column;align-items:center;gap:8px}.file-label{display:inline-block;padding:12px 24px;background:var(--color-primary);color:var(--color-text-white);border-radius:6px;cursor:pointer;font-weight:500;transition:background .3s;text-align:center;min-width:150px}.file-label:hover{background:var(--color-primary-dark)}.file-label:active{transform:scale(.98)}.file-name{font-size:.85rem;color:#666;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.save-button{padding:12px 24px;background:var(--color-primary);color:var(--color-text-white);border:none;border-radius:6px;cursor:pointer;font-weight:500;font-size:1rem;transition:background .3s;min-width:180px}.save-button:hover:not(:disabled){background:var(--color-primary-dark)}.save-button:disabled{background:var(--color-disabled);cursor:not-allowed}.page-controls{display:flex;justify-content:center;align-items:center;gap:20px;margin-bottom:20px;padding:15px;background:#fff;border-radius:10px;box-shadow:0 2px 10px #0000001a}.page-controls button{padding:8px 16px;background:var(--color-primary);color:var(--color-text-white);border:none;border-radius:6px;cursor:pointer;font-weight:500;transition:background .3s}.page-controls button:hover:not(:disabled){background:var(--color-primary-dark)}.page-controls button:disabled{background:var(--color-disabled);cursor:not-allowed}.page-controls span{font-weight:500;color:#333}.canvas-container{flex:1;display:flex;justify-content:center;align-items:flex-start;background:var(--color-background);border-radius:10px;padding:20px;min-height:500px;max-height:70vh;margin-bottom:20px;overflow:auto;position:relative;width:100%}.canvas-container canvas{border:2px solid #333;background:#fff;box-shadow:0 4px 20px #0003;display:block;margin:0 auto;image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges}.canvas-container canvas:first-of-type{position:relative;z-index:1}.canvas-container canvas:nth-of-type(2){position:absolute;top:20px;left:50%;transform:translate(-50%);z-index:2;border:none;box-shadow:none;background:transparent;pointer-events:none}.signature-preview{position:absolute;transform:translate(-50%,-50%);pointer-events:none;z-index:10;filter:drop-shadow(0 2px 8px rgba(0,0,0,.3));display:flex;align-items:center;justify-content:center}.placeholder{text-align:center;color:#999;font-size:1.2rem}.info{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding:15px;background:#fff;border-radius:10px;box-shadow:0 2px 10px #0000001a}.info>div{flex:1}.info p{color:#333;font-weight:500;margin-bottom:10px}.debug-info{margin-top:10px;font-size:.9rem}.debug-info summary{cursor:pointer;color:var(--color-primary);font-weight:500;padding:5px;border-radius:4px;-webkit-user-select:none;user-select:none}.debug-info summary:hover{background:#f0f0f0}.debug-details{margin-top:10px;padding:10px;background:#f9f9f9;border-radius:6px;border-left:3px solid var(--color-primary)}.debug-item{margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid #e0e0e0}.debug-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.debug-item strong{color:#333;display:block;margin-bottom:5px}.debug-item ul{margin:5px 0 0;padding-left:20px;color:#666;font-size:.85rem}.debug-item li{margin:3px 0}.clear-button{padding:8px 16px;background:var(--color-primary);color:var(--color-text-white);border:none;border-radius:6px;cursor:pointer;font-weight:500;transition:background .3s}.clear-button:hover{background:var(--color-primary-dark)}@media(max-width:768px){.controls{flex-direction:column;align-items:stretch}.control-group,.file-label,.save-button{width:100%}.canvas-container{min-height:400px;padding:10px}.page-controls{flex-wrap:wrap}}.signature-size-control{margin-bottom:20px;padding:15px;background:#fff;border-radius:10px;box-shadow:0 2px 10px #0000001a}.signature-size-label{display:flex;flex-direction:column;gap:10px;width:100%}.signature-size-text{display:flex;align-items:center;justify-content:center;gap:8px;color:#333;font-weight:500;font-size:1rem}.signature-size-text strong{color:var(--color-primary);font-size:1.1rem}.signature-size-slider-container{display:flex;flex-direction:column;gap:5px}.signature-size-slider{width:100%;height:6px;border-radius:3px;background:var(--color-background-gray);outline:none;-webkit-appearance:none;appearance:none;cursor:pointer}.signature-size-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--color-primary);cursor:pointer}.signature-size-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:none}.signature-size-labels{display:flex;justify-content:space-between;font-size:.8rem;color:#666}.json-tools{width:100%;max-width:1400px;margin:0 auto;padding:20px}.json-tools-container{display:flex;flex-direction:column;gap:20px}.json-input-section,.json-output-section{background:var(--color-background-light);border-radius:10px;padding:20px;box-shadow:0 2px 10px #0000001a}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.section-header h2{font-size:1.3rem;color:var(--color-text-primary);margin:0;font-weight:600}.json-textarea{width:100%;min-height:300px;padding:15px;border:2px solid var(--color-border);border-radius:8px;font-family:Courier New,monospace;font-size:.95rem;line-height:1.6;resize:vertical;background:var(--color-background-light);color:var(--color-text-primary);transition:border-color .3s}.json-textarea:focus{outline:none;border-color:var(--color-primary)}.json-textarea.error{border-color:var(--color-error)}.json-textarea.output{background:#f9f9f9;cursor:default}.json-actions{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}.action-button{padding:14px 28px;border:none;border-radius:8px;cursor:pointer;font-weight:600;font-size:1rem;transition:all .3s;min-width:180px;display:flex;align-items:center;justify-content:center;gap:8px}.beautify-button{background:var(--color-primary);color:var(--color-text-white)}.beautify-button:hover:not(:disabled){background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px #0077b54d}.minify-button{background:var(--color-primary);color:var(--color-text-white)}.minify-button:hover:not(:disabled){background:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 4px 12px #0077b54d}.action-button:disabled{background:var(--color-disabled);cursor:not-allowed;opacity:.6}.clear-button,.copy-button{padding:8px 16px;background:var(--color-background-gray);color:var(--color-text-primary);border:none;border-radius:6px;cursor:pointer;font-weight:500;font-size:.9rem;transition:background .3s}.clear-button:hover{background:var(--color-border-dark)}.copy-button{background:var(--color-primary);color:var(--color-text-white)}.copy-button:hover{background:var(--color-primary-dark)}.error-message{margin-top:10px;padding:12px;background:#fee;border-left:4px solid var(--color-error);border-radius:4px;color:var(--color-error);font-size:.9rem}@media(max-width:768px){.json-tools{padding:10px}.json-input-section,.json-output-section{padding:15px}.json-textarea{min-height:200px;font-size:.85rem}.action-button{min-width:100%;padding:12px 20px}.section-header{flex-direction:column;align-items:flex-start;gap:10px}}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--color-background)}.app-nav{background:var(--color-primary);color:var(--color-text-white);padding:30px 20px;text-align:center;box-shadow:0 2px 10px #0000001a}.app-nav h1{margin:0 0 10px;font-size:2.5rem;font-weight:700}.app-nav p{margin:0;font-size:1.1rem;opacity:.9}.ad-banner-top,.ad-banner-bottom{width:100%;background:var(--color-background-light);padding:15px;text-align:center;border-bottom:1px solid var(--color-border)}.ad-banner-bottom{border-top:1px solid var(--color-border);border-bottom:none;margin-top:auto}.ad-placeholder{max-width:728px;width:100%;height:90px;background:var(--color-background-gray);border:2px dashed var(--color-border-dark);display:flex;align-items:center;justify-content:center;margin:0 auto;color:var(--color-text-light);font-size:.9rem}.ad-banner-top .ad-placeholder,.ad-banner-bottom .ad-placeholder{height:90px}.app-content-wrapper{display:flex;flex:1;max-width:1600px;width:100%;margin:0 auto;gap:20px;padding:20px}.app-main{flex:1;min-width:0;max-width:1400px}.ad-sidebar{width:300px;flex-shrink:0;background:var(--color-background-light);padding:15px;border-radius:8px;box-shadow:0 2px 8px #0000001a;height:fit-content;position:sticky;top:20px}.ad-sidebar .ad-placeholder{width:100%;height:600px;max-width:300px}@media(max-width:1200px){.ad-sidebar{display:none}.app-content-wrapper{padding:15px}}@media(max-width:768px){.app-nav{padding:20px 15px}.app-nav h1{font-size:1.8rem}.app-nav p{font-size:.9rem}.app-content-wrapper{padding:10px}.app-main{padding:0}.ad-banner-top,.ad-banner-bottom{padding:10px}.ad-placeholder{height:50px;font-size:.8rem}.ad-banner-top .ad-placeholder,.ad-banner-bottom .ad-placeholder{height:50px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--color-background)}#root{min-height:100vh}:root{--color-primary: #0077b5;--color-primary-dark: #005885;--color-primary-light: #00a0dc;--color-background: #f3f2ef;--color-background-light: #ffffff;--color-background-gray: #e0e0e0;--color-text-primary: #000000;--color-text-secondary: #666666;--color-text-light: #999999;--color-text-white: #ffffff;--color-border: #e0e0e0;--color-border-dark: #cccccc;--color-success: #0077b5;--color-error: #d93025;--color-warning: #f39c12;--color-info: #0077b5;--color-disabled: #cccccc;--color-disabled-text: #999999}