.uuid-generator{max-width:1200px;margin:0 auto;padding:2rem}.uuid-generator .tool-header{text-align:center;margin-bottom:2rem}.uuid-generator .tool-header h1{font-size:2.5rem;color:var(--text-primary);margin-bottom:.5rem}.uuid-generator .tool-header p{color:var(--text-secondary);font-size:1.1rem}.uuid-container{display:grid;grid-template-columns:var(--tool-controls-width, 420px) 1fr;gap:var(--tool-content-gap, 2rem);margin-bottom:3rem}@media (max-width: 900px){.uuid-container{grid-template-columns:1fr}}.config-panel{background:var(--white);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #00000014}.config-section{margin-bottom:2rem}.config-section:last-of-type{margin-bottom:1.5rem}.config-section h3{font-size:1.15rem;font-weight:700;color:var(--gray-900);margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:2px solid var(--primary);letter-spacing:.03em}.config-section:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem;margin-bottom:1rem}.type-btn{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:.75rem .5rem;background:#f5f5f5;border:2px solid transparent;border-radius:8px;cursor:pointer;transition:all .2s ease}.type-btn:hover{background:#e8e8e8}.type-btn.active{background:var(--primary-light);border-color:var(--primary-color)}.type-icon{font-size:1.25rem}.type-label{font-size:1rem;font-weight:600;color:var(--gray-900)}.type-info{background:#f8f9fa;border-radius:8px;padding:1rem;border-left:3px solid var(--primary-color)}.type-info h4{font-size:.95rem;color:var(--primary-color);margin-bottom:.5rem}.type-info p{font-size:.85rem;color:var(--text-secondary);margin-bottom:.5rem;line-height:1.6}.type-meta .meta-item{font-size:.8rem;color:var(--text-secondary)}.type-meta strong{color:var(--text-primary)}.quantity-controls{display:flex;gap:1rem;align-items:center;margin-bottom:.75rem}.quantity-controls input[type=range]{flex:1;height:6px;-webkit-appearance:none;background:#e0e0e0;border-radius:3px;outline:none}.quantity-controls input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:var(--primary-color);border-radius:50%;cursor:pointer}.quantity-controls input[type=number]{width:60px;padding:.5rem;border:1px solid #ddd;border-radius:6px;text-align:center;font-size:1rem}.quantity-presets{display:flex;gap:.5rem;flex-wrap:wrap}.preset-btn{padding:.35rem .75rem;background:#f0f0f0;border:none;border-radius:20px;font-size:.8rem;cursor:pointer;transition:all .2s ease}.preset-btn:hover{background:#e0e0e0}.preset-btn.active{background:var(--primary-color);color:var(--white)}.format-options{display:flex;flex-direction:column;gap:.75rem}.option-toggle{display:flex;align-items:center;gap:.75rem;cursor:pointer}.option-toggle input{display:none}.toggle-slider{width:40px;height:22px;background:#ccc;border-radius:11px;position:relative;transition:background .2s ease}.toggle-slider:after{content:"";position:absolute;width:18px;height:18px;background:var(--white);border-radius:50%;top:2px;left:2px;transition:transform .2s ease}.option-toggle input:checked+.toggle-slider{background:var(--primary-color)}.option-toggle input:checked+.toggle-slider:after{transform:translate(18px)}.toggle-label{font-size:1rem;color:var(--gray-900)}.affix-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.affix-field label{display:block;font-size:.8rem;color:var(--text-secondary);margin-bottom:.25rem}.affix-field input{width:100%;padding:.5rem;border:1px solid #ddd;border-radius:6px;font-size:.875rem;font-family:Monaco,Menlo,monospace}.generate-btn{width:100%;padding:1rem;background:var(--primary-color);color:var(--white);border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s ease}.generate-btn:hover{background:var(--primary-dark)}.output-panel{background:var(--white);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #00000014}.output-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid #eee}.output-header h3{font-size:1.1rem;color:var(--text-primary);margin:0}.output-actions{display:flex;gap:.5rem}.copy-all-btn,.regenerate-btn{padding:.5rem 1rem;border:1px solid #ddd;border-radius:6px;background:var(--white);font-size:.85rem;cursor:pointer;transition:all .2s ease}.copy-all-btn:hover,.regenerate-btn:hover{background:#f5f5f5}.copy-all-btn.copied{background:var(--success);color:var(--white);border-color:var(--success)}.regenerate-btn{background:var(--primary-color);color:var(--white);border-color:var(--primary-color)}.regenerate-btn:hover{background:var(--primary-dark)}.uuid-list{max-height:400px;overflow-y:auto;border:1px solid #eee;border-radius:8px}.uuid-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-bottom:1px solid #f0f0f0;transition:background .2s ease}.uuid-item:last-child{border-bottom:none}.uuid-item:hover{background:#f9f9f9}.uuid-index{font-size:.75rem;color:#999;width:30px;text-align:right}.uuid-value{flex:1;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.875rem;color:var(--text-primary);word-break:break-all}.copy-btn{padding:.35rem .5rem;background:#f0f0f0;border:none;border-radius:4px;cursor:pointer;font-size:.85rem;transition:all .2s ease}.copy-btn:hover{background:#e0e0e0}.copy-btn.copied{background:var(--success);color:var(--white)}.output-stats{display:flex;gap:1.5rem;margin-top:1rem;padding-top:1rem;border-top:1px solid #eee}.output-stats span{font-size:.85rem;color:var(--text-secondary)}.history-panel{grid-column:1 / -1;background:var(--white);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #00000014}.history-panel h3{font-size:1rem;color:var(--text-secondary);margin-bottom:1rem}.history-list{display:flex;flex-direction:column;gap:.5rem}.history-item{display:flex;align-items:center;gap:1rem;padding:.5rem .75rem;background:#f8f9fa;border-radius:6px;font-size:.85rem}.history-time{color:#999;width:80px}.history-type{background:var(--primary-color);color:var(--white);padding:.2rem .5rem;border-radius:4px;font-size:.7rem;font-weight:600}.history-count{color:var(--text-secondary);font-weight:500}.history-sample{flex:1;color:var(--text-secondary);font-family:Monaco,Menlo,monospace;font-size:.8rem}.uuid-info{margin-bottom:3rem}.info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem}.info-card{background:var(--white);border-radius:12px;padding:1.5rem;text-align:center;box-shadow:0 2px 8px #00000014}.info-icon{font-size:2rem;margin-bottom:.75rem}.info-card h4{font-size:1rem;color:var(--text-primary);margin-bottom:.5rem}.info-card p{font-size:.875rem;color:var(--text-secondary);line-height:1.6}.tips-section{background:var(--white);border-radius:12px;padding:2rem;margin-bottom:3rem;box-shadow:0 2px 8px #00000014}.tips-section h3{font-size:1.25rem;color:var(--text-primary);margin-bottom:1.5rem;text-align:center}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.tip{padding:1rem;background:#f8f9fa;border-radius:8px;border-left:3px solid var(--primary-color)}.tip strong{display:block;color:var(--primary-color);margin-bottom:.5rem}.tip p{font-size:.875rem;color:var(--text-secondary);line-height:1.6;margin:0}.cta-section{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);border-radius:12px;padding:3rem 2rem;text-align:center;color:var(--white)}.cta-section h3{font-size:1.5rem;margin-bottom:.75rem}.cta-section p{font-size:1.1rem;opacity:.9;margin-bottom:1.5rem}.cta-button{display:inline-block;padding:.875rem 2rem;background:var(--white);color:var(--primary-color);text-decoration:none;font-weight:600;border-radius:8px;transition:transform .2s ease,box-shadow .2s ease}.cta-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003}.uuid-list::-webkit-scrollbar{width:6px}.uuid-list::-webkit-scrollbar-track{background:#f0f0f0;border-radius:3px}.uuid-list::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.uuid-list::-webkit-scrollbar-thumb:hover{background:#bbb}