*{margin:0;padding:0;box-sizing:border-box}body{margin:0;padding:0;min-width:320px;min-height:100vh;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;min-height:100vh}:root{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--bg-tertiary: #e0e0e0;--text-primary: #212121;--text-secondary: #757575;--border-color: #e0e0e0;--accent-color: #2196f3;--accent-hover: #1976d2;--success-color: #4caf50;--error-color: #f44336;--warning-color: #ff9800;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-mono: "Courier New", Courier, monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--mobile-max: 768px;--desktop-min: 769px}.dark-mode{--bg-primary: #1e1e1e;--bg-secondary: #2d2d2d;--bg-tertiary: #3d3d3d;--text-primary: #e0e0e0;--text-secondary: #b0b0b0;--border-color: #3d3d3d;--accent-color: #64b5f6;--accent-hover: #42a5f5}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background-color .3s,color .3s}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background-color:var(--bg-secondary);padding:var(--spacing-lg);display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid var(--border-color)}.app-header h1{font-size:1.75rem;font-weight:600;transition:color .2s}.app-header h1:hover{color:var(--accent-color)}.theme-toggle{background:none;border:none;font-size:1.5rem;cursor:pointer;padding:var(--spacing-sm);border-radius:4px;transition:background-color .2s}.theme-toggle:hover{background-color:var(--bg-tertiary)}.theme-toggle:focus{outline:2px solid var(--accent-color);outline-offset:2px}.tab-navigation{display:flex;background-color:var(--bg-secondary);border-bottom:2px solid var(--border-color);overflow-x:auto}.tab-button{flex:1;min-width:120px;padding:var(--spacing-md) var(--spacing-lg);background:none;border:none;border-bottom:3px solid transparent;color:var(--text-secondary);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.tab-button:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.tab-button.active{color:var(--accent-color);border-bottom-color:var(--accent-color)}.tab-button:focus{outline:2px solid var(--accent-color);outline-offset:-2px}.app-main{flex:1;padding:var(--spacing-xl);max-width:1200px;width:100%;margin:0 auto}.app-footer{background-color:var(--bg-secondary);padding:var(--spacing-xl) var(--spacing-lg);text-align:center;border-top:2px solid var(--border-color)}.privacy-notice{color:var(--text-secondary);font-size:.9rem;margin-bottom:var(--spacing-md)}.footer-links{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.footer-link{background:none;border:none;color:var(--text-secondary);text-decoration:none;font-size:.9rem;padding:0;cursor:pointer;transition:color .2s}.footer-link:hover{color:var(--accent-color);text-decoration:underline}.footer-separator{color:var(--text-secondary);font-size:.9rem}.copyright{color:var(--text-secondary);font-size:.85rem;margin-top:var(--spacing-sm)}.form-group{margin-bottom:var(--spacing-lg)}.form-group label{display:block;margin-bottom:var(--spacing-sm);font-weight:500;color:var(--text-primary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-color);border-radius:4px;background-color:var(--bg-primary);color:var(--text-primary);font-size:1rem;font-family:var(--font-family)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:2px solid var(--accent-color);outline-offset:0}.form-group textarea{resize:vertical;font-family:var(--font-mono)}button{padding:var(--spacing-sm) var(--spacing-lg);background-color:var(--accent-color);color:#fff;border:none;border-radius:4px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s}button:hover:not(:disabled){background-color:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}button:focus{outline:2px solid var(--accent-color);outline-offset:2px}.checkbox-label,.radio-label{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm);cursor:pointer}.checkbox-label input,.radio-label input{width:auto;cursor:pointer}.uuid-text{font-family:var(--font-mono);background-color:var(--bg-secondary);padding:var(--spacing-xs) var(--spacing-sm);border-radius:4px;font-size:.95rem}.alert{padding:var(--spacing-md);border-radius:4px;margin-bottom:var(--spacing-lg)}.alert-warning{background-color:#ff98001a;border:1px solid var(--warning-color);color:var(--warning-color)}.alert-error{background-color:#f443361a;border:1px solid var(--error-color);color:var(--error-color)}.error-message{color:var(--error-color);font-size:.9rem;margin-top:var(--spacing-sm)}@media (max-width: 768px){.app-header h1{font-size:1.25rem}.app-main{padding:var(--spacing-md)}.tab-button{min-width:100px;padding:var(--spacing-sm) var(--spacing-md);font-size:.9rem}}.empty-state{display:flex;align-items:center;justify-content:center;min-height:400px;background-color:var(--bg-secondary);border:2px dashed var(--border-color);border-radius:8px;padding:var(--spacing-xl)}.empty-state-content{text-align:center;max-width:400px}.empty-state-icon{font-size:4rem;margin-bottom:var(--spacing-lg);opacity:.5}.empty-state-content h3{color:var(--text-primary);margin-bottom:var(--spacing-md);font-size:1.25rem}.empty-state-content p{color:var(--text-secondary);margin-bottom:var(--spacing-sm);line-height:1.6}.empty-state-hint{font-size:.9rem;font-style:italic}.two-column-layout{display:flex;flex-direction:column;gap:var(--spacing-xl)}@media (min-width: 769px){.two-column-layout{flex-direction:row;gap:var(--spacing-xl);align-items:flex-start}.left-panel{flex:0 0 45%;max-width:500px}.right-panel{flex:1;position:sticky;top:var(--spacing-lg);max-height:calc(100vh - 200px);overflow-y:auto}}.output-display{margin-top:0}.output-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.uuid-list{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:4px;padding:var(--spacing-md);max-height:400px;overflow-y:auto}.uuid-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm);margin-bottom:var(--spacing-xs);background-color:var(--bg-primary);border-radius:4px}.copy-btn,.copy-all-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-xs) var(--spacing-md);font-size:.9rem;min-width:80px}.copy-btn svg,.copy-all-btn svg{flex-shrink:0}.format-controls{margin-top:var(--spacing-lg);padding:var(--spacing-lg);background-color:var(--bg-secondary);border-radius:4px}.format-options,.download-options{margin-bottom:var(--spacing-md)}.format-options h4,.download-options h4{margin-bottom:var(--spacing-sm)}.download-btn{margin-right:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.validation-results,.analysis-results{margin-top:var(--spacing-xl)}.validation-result{padding:var(--spacing-md);margin-bottom:var(--spacing-md);border-radius:4px;border:1px solid var(--border-color)}.validation-result.valid{background-color:#4caf501a;border-color:var(--success-color)}.validation-result.invalid{background-color:#f443361a;border-color:var(--error-color)}.result-status{font-weight:600;font-size:1.1rem}.analysis-details{background-color:var(--bg-secondary);padding:var(--spacing-lg);border-radius:4px}.detail-row{display:flex;padding:var(--spacing-sm) 0;border-bottom:1px solid var(--border-color)}.detail-row:last-child{border-bottom:none}.detail-label{font-weight:600;min-width:150px;color:var(--text-secondary)}.detail-value{color:var(--text-primary)}.conversion-options{margin:var(--spacing-lg) 0;padding:var(--spacing-md);background-color:var(--bg-secondary);border-radius:4px}.faq-panel{max-width:900px;margin:0 auto}.faq-panel h2{margin-bottom:var(--spacing-xl);color:var(--text-primary)}.faq-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.faq-item{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;overflow:hidden;transition:box-shadow .2s}.faq-item:hover{box-shadow:0 2px 8px #0000001a}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);background:none;border:none;text-align:left;font-size:1.05rem;font-weight:600;color:var(--text-primary);cursor:pointer;transition:background-color .2s}.faq-question:hover,.faq-question.active{background-color:var(--bg-tertiary)}.faq-icon{font-size:1.5rem;font-weight:300;color:var(--accent-color);min-width:30px;text-align:center}.faq-answer{padding:var(--spacing-md) var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);color:var(--text-secondary);line-height:1.7;animation:fadeIn .3s ease-in}.faq-answer p{margin:0}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.validator-analyzer-panel{max-width:1200px;margin:0 auto}.panel-description{color:var(--text-secondary);margin-bottom:var(--spacing-lg);font-size:.95rem}.results-container{display:grid;grid-template-columns:1fr;gap:var(--spacing-xl);margin-top:var(--spacing-xl)}@media (min-width: 769px){.results-container{grid-template-columns:1fr 1fr}}.validation-result{transition:all .2s}.validation-result.valid:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.validation-result.selected{border-color:var(--accent-color);box-shadow:0 0 0 2px var(--accent-color)}.result-header{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-md)}.analyze-hint{font-size:.85rem;color:var(--accent-color);font-weight:400}.uuid-display{display:block;font-family:var(--font-mono);background-color:var(--bg-primary);padding:var(--spacing-sm);border-radius:4px;margin-bottom:var(--spacing-sm);word-break:break-all}.uuid-display.error{color:var(--error-color)}.static-page{max-width:800px;margin:0 auto;line-height:1.8}.static-page h2{margin-bottom:var(--spacing-lg);color:var(--text-primary)}.static-page h3{margin-top:var(--spacing-xl);margin-bottom:var(--spacing-md);color:var(--text-primary)}.static-page section{margin-bottom:var(--spacing-xl)}.static-page p{margin-bottom:var(--spacing-md);color:var(--text-secondary)}.static-page ul{margin-left:var(--spacing-xl);margin-bottom:var(--spacing-md)}.static-page li{margin-bottom:var(--spacing-sm);color:var(--text-secondary)}.static-page a{color:var(--accent-color);text-decoration:none}.static-page a:hover{text-decoration:underline}.last-updated{font-style:italic;color:var(--text-secondary);font-size:.9rem;margin-bottom:var(--spacing-xl)}