:root{--color-bg-primary: #0f172a;--color-bg-secondary: #1e293b;--color-bg-tertiary: #334155;--color-text-primary: #ffffff;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-border-light: #cbd5e1;--color-accent-blue: #3b82f6;--color-accent-blue-hover: #2563eb;--color-accent-green: #10b981;--color-accent-green-hover: #059669;--color-accent-red: #dc2626;--color-accent-red-bg: #fef2f2;--color-accent-red-border: #fecaca;--color-badge-bg: #eff6ff;--color-badge-text: #3b82f6;--color-surface: #ffffff;--color-surface-hover: #f8fafc;--font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, monospace;--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 20px;--space-2xl: 24px;--space-3xl: 32px;--space-4xl: 40px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-lg: 0 4px 6px rgba(0, 0, 0, .1), 0 2px 4px rgba(0, 0, 0, .06);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease}@media (max-width: 640px){:root{--space-padding: 16px}}@media (min-width: 641px){:root{--space-padding: 24px}}.app-container{min-height:100vh;background-color:var(--color-bg-primary);padding:var(--space-4xl) var(--space-lg)}.app-content{max-width:1200px;margin:0 auto}.app-header{text-align:center;margin-bottom:var(--space-3xl)}.app-title{font-size:36px;font-weight:700;color:var(--color-text-primary);margin:0 0 var(--space-sm) 0}.app-subtitle{font-size:16px;color:var(--color-text-secondary);margin:0}.selector-wrapper{display:flex;justify-content:center;margin-bottom:var(--space-3xl)}.panel{background-color:var(--color-bg-secondary);border-radius:var(--radius-xl);padding:var(--space-2xl);margin-bottom:var(--space-xl);box-shadow:var(--shadow-lg)}.panel--white{background-color:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-2xl);box-shadow:var(--shadow-md);max-width:600px;margin:0 auto}.section{margin-bottom:var(--space-lg)}.section:last-child{margin-bottom:0}.label{display:flex;align-items:center;gap:var(--space-sm);font-size:14px;font-weight:500;color:#475569;margin-bottom:6px}.label__badge{font-size:10px;font-weight:600;color:var(--color-badge-text);background-color:var(--color-badge-bg);padding:2px 6px;border-radius:var(--radius-sm);margin-left:auto}.label__hint{font-size:12px;font-weight:400;color:var(--color-text-muted);margin-left:auto}.input{width:100%;padding:10px 12px;font-size:14px;border:1px solid var(--color-border);border-radius:var(--radius-md);outline:none;transition:border-color var(--transition-normal);box-sizing:border-box;background-color:#fff}.input:focus{border-color:var(--color-accent-blue);box-shadow:0 0 0 3px #3b82f61a}.input--error{border-color:var(--color-accent-red)}.input-file{cursor:pointer}.input-file:hover{border-color:var(--color-accent-blue)}.file-input-container{margin-bottom:var(--space-md)}.file-name{font-size:12px;color:var(--color-text-muted);margin-top:var(--space-xs)}.file-name--error{color:var(--color-accent-red)}.file-list{font-size:12px;color:var(--color-text-muted);margin-top:var(--space-xs);max-height:60px;overflow-y:auto}.file-list li{margin-top:2px}.number-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.slider-row{display:flex;align-items:center;gap:var(--space-md)}.slider{flex:1;height:6px;border-radius:3px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-color:#e2e8f0;outline:none;cursor:pointer}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background-color:var(--color-accent-blue);cursor:pointer;transition:transform var(--transition-fast)}.slider::-webkit-slider-thumb:hover{transform:scale(1.1)}.slider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background-color:var(--color-accent-blue);cursor:pointer;border:none}.slider-value{font-size:12px;font-weight:500;color:#475569;min-width:40px;text-align:right}.btn{width:100%;padding:12px 20px;font-size:14px;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);margin-top:var(--space-xl)}.btn:disabled{cursor:not-allowed;opacity:.5}.btn--primary{color:var(--color-text-primary);background-color:var(--color-accent-blue)}.btn--primary:hover:not(:disabled){background-color:var(--color-accent-blue-hover)}.btn--primary:focus-visible{outline:2px solid var(--color-accent-blue);outline-offset:2px}.btn--download{color:var(--color-text-primary);background-color:var(--color-accent-green)}.btn--download:hover:not(:disabled){background-color:var(--color-accent-green-hover)}.btn--download:focus-visible{outline:2px solid var(--color-accent-green);outline-offset:2px}.progress-container{margin-top:var(--space-xl)}.progress-bar-bg{width:100%;height:8px;background-color:#e2e8f0;border-radius:var(--radius-sm);overflow:hidden}.progress-bar-fill{height:100%;background-color:var(--color-accent-blue);border-radius:var(--radius-sm);transition:width .3s ease}.progress-text{font-size:12px;color:var(--color-text-muted);margin-top:var(--space-sm);text-align:center}.error-message{margin-top:var(--space-lg);padding:var(--space-md);background-color:var(--color-accent-red-bg);border:1px solid var(--color-accent-red-border);border-radius:var(--radius-md);color:var(--color-accent-red);font-size:14px}.output-section{background-color:var(--color-bg-secondary);border-radius:var(--radius-xl);padding:var(--space-2xl);box-shadow:var(--shadow-lg)}.output-title{font-size:20px;font-weight:600;color:var(--color-text-primary);margin:0 0 var(--space-lg) 0}.output-preview{background-color:var(--color-bg-tertiary);border-radius:var(--radius-md);padding:var(--space-lg);margin-bottom:var(--space-lg)}.output-text{color:#e2e8f0;font-size:14px;font-family:var(--font-mono);margin:0;word-break:break-all}.stats-box{background-color:var(--color-surface-hover);border-radius:var(--radius-md);padding:var(--space-lg);margin-top:var(--space-lg);display:flex;justify-content:space-around;align-items:center}.stat-item{text-align:center}.stat-value{font-size:24px;font-weight:600;color:#1e293b}.stat-label{font-size:12px;color:var(--color-text-muted);margin-top:var(--space-xs)}.color-input-row{display:flex;gap:var(--space-md);align-items:center}.color-picker{width:44px;height:44px;border:none;border-radius:var(--radius-md);cursor:pointer;padding:0}.color-picker::-webkit-color-swatch-wrapper{padding:0}.color-picker::-webkit-color-swatch{border:none;border-radius:var(--radius-md)}.color-text-input{flex:1;font-family:var(--font-mono)}.tooltip{position:relative;display:inline-block}.tooltip__content{visibility:hidden;opacity:0;position:absolute;bottom:100%;left:50%;transform:translate(-50%);background-color:#1e293b;color:#fff;font-size:12px;padding:8px 12px;border-radius:var(--radius-md);white-space:nowrap;z-index:10;margin-bottom:8px;transition:opacity var(--transition-fast),visibility var(--transition-fast)}.tooltip:hover .tooltip__content{visibility:visible;opacity:1}.validation-error{font-size:12px;color:var(--color-accent-red);margin-top:4px}.spinner{display:inline-block;width:16px;height:16px;border:2px solid #e2e8f0;border-top-color:var(--color-accent-blue);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}*:focus-visible{outline:2px solid var(--color-accent-blue);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background-color:var(--color-bg-primary);color:#e2e8f0;line-height:1.5;min-height:100vh}h1,h2,h3,h4,h5,h6{line-height:1.2}h2{font-size:18px;font-weight:600;color:#1e293b;margin-bottom:20px}a{color:inherit;text-decoration:none}button{font-family:inherit;border:none;background:none;cursor:pointer}button:disabled{cursor:not-allowed}input,select,textarea{font-family:inherit;font-size:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#1e293b;border-radius:4px}::-webkit-scrollbar-thumb{background:#475569;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#64748b}::selection{background-color:#3b82f64d;color:inherit}.tabs-container{display:flex;justify-content:center}.tabs{display:inline-flex;background-color:#f1f5f9;border-radius:12px;padding:4px;gap:4px}.tab{display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:8px;border:none;cursor:pointer;font-size:14px;font-weight:500;transition:all var(--transition-normal);background-color:transparent;color:#64748b}.tab:hover:not(.tab--active){background-color:#e2e8f0}.tab--active{background-color:#fff;color:#1e293b;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.tab:focus-visible{outline:2px solid var(--color-accent-blue);outline-offset:2px}.panel__title{font-size:18px;font-weight:600;color:#1e293b;margin-bottom:20px}@media (max-width: 640px){.app-container{padding:20px 16px}.app-title{font-size:28px}.panel--white{padding:16px}.number-row{grid-template-columns:1fr}.tabs{flex-direction:column;width:100%}.tab{justify-content:center}.stats-box{flex-direction:column;gap:16px}}@media print{.app-container{background:#fff;color:#000}}