:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--accent: #22d3ee;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--grade-a: #10b981;--grade-b: #22d3ee;--grade-c: #f59e0b;--grade-d: #f97316;--grade-f: #ef4444;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: rgba(30, 41, 59, .8);--bg-glass: rgba(255, 255, 255, .05);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: rgba(255, 255, 255, .1);--border-focus: rgba(99, 102, 241, .5);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .5);--shadow-glow: 0 0 40px rgba(99, 102, 241, .3);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}html,body,#root{height:100vh;overflow:hidden}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 20% 20%,rgba(99,102,241,.15) 0%,transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(34,211,238,.1) 0%,transparent 50%),radial-gradient(ellipse at 50% 50%,rgba(139,92,246,.05) 0%,transparent 70%);pointer-events:none;z-index:-1}#root{display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--text-primary)}h1{font-size:2.5rem}h2{font-size:1.75rem}h3{font-size:1.25rem}a{color:var(--primary-light);text-decoration:none;transition:color 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var(--border-color)}.btn-secondary:hover{background:var(--bg-glass);border-color:var(--primary)}.btn-success{background:linear-gradient(135deg,var(--success),#059669);color:#fff;box-shadow:var(--shadow-md),0 0 20px #10b9814d}.btn-success:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 30px #10b98166}.btn-danger{background:linear-gradient(135deg,var(--danger),#dc2626);color:#fff}.btn-lg{padding:16px 32px;font-size:1.1rem}.btn-sm{padding:8px 16px;font-size:.85rem}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.form-group{margin-bottom:16px}.settings-section{background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;margin-bottom:16px}.settings-section-title{display:flex;align-items:center;gap:8px;font-size:.95rem;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.settings-section-title 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12px;font-size:.8rem;font-weight:600;border-radius:20px;text-transform:uppercase;letter-spacing:.5px}.badge-primary{background:#6366f133;color:var(--primary-light)}.badge-success{background:#10b98133;color:var(--success)}.badge-warning{background:#f59e0b33;color:var(--warning)}.badge-danger{background:#ef444433;color:var(--danger)}.grade{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;font-size:1.5rem;font-weight:700;border-radius:50%;text-shadow:0 2px 4px rgba(0,0,0,.3)}.grade-a{background:linear-gradient(135deg,var(--grade-a),#059669);color:#fff;box-shadow:0 0 20px #10b98180}.grade-b{background:linear-gradient(135deg,var(--grade-b),#06b6d4);color:#fff;box-shadow:0 0 20px #22d3ee80}.grade-c{background:linear-gradient(135deg,var(--grade-c),#d97706);color:#fff;box-shadow:0 0 20px #f59e0b80}.grade-d{background:linear-gradient(135deg,var(--grade-d),#ea580c);color:#fff;box-shadow:0 0 20px #f9731680}.grade-f{background:linear-gradient(135deg,var(--grade-f),#dc2626);color:#fff;box-shadow:0 0 20px #ef444480}.tabs{display:flex;gap:4px;background:var(--bg-secondary);padding:4px;border-radius:var(--radius-md)}.tab{flex:1;padding:10px 20px;font-size:.9rem;font-weight:500;color:var(--text-secondary);background:transparent;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.tab:hover{color:var(--text-primary);background:var(--bg-glass)}.tab.active{color:#fff;background:var(--primary)}.tooltip{position:relative}.tooltip:after{content:attr(data-tooltip);position:absolute;bottom:100%;left:50%;transform:translate(-50%) translateY(-8px);padding:8px 12px;font-size:.8rem;white-space:nowrap;background:var(--bg-tertiary);border-radius:var(--radius-sm);opacity:0;visibility:hidden;transition:all 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canvas{max-width:100%;height:auto}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-muted)}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.font-mono{font-family:var(--font-mono)}.font-bold{font-weight:600}.mt-sm{margin-top:8px}.mt-md{margin-top:16px}.mt-lg{margin-top:24px}.mb-sm{margin-bottom:8px}.mb-md{margin-bottom:16px}.mb-lg{margin-bottom:24px}.p-sm{padding:8px}.p-md{padding:16px}.p-lg{padding:24px}.w-full{width:100%}.h-full{height:100%}.rounded{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.overflow-hidden{overflow:hidden}.overflow-auto{overflow:auto}.relative{position:relative}.absolute{position:absolute}.hidden{display:none}.block{display:block}.info-box{display:flex;gap:12px;padding:16px;background:#6366f11a;border:1px solid rgba(99,102,241,.3);border-radius:var(--radius-md);color:var(--text-secondary)}.info-box svg{flex-shrink:0;color:var(--primary-light)}.info-box 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print{body{background:#fff}body:before{display:none}.no-print{display:none!important}.a4-paper{box-shadow:none;margin:0}}.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:12px 24px;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-shrink:0}.header-content{max-width:1600px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:16px}.logo svg{color:var(--primary-light);filter:drop-shadow(0 0 8px rgba(99,102,241,.5))}.logo h1{font-size:1.5rem;background:linear-gradient(135deg,var(--text-primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo .subtitle{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.mte-logo{height:40px;width:auto;object-fit:contain;filter:drop-shadow(0 0 8px 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h3{font-size:1.25rem;margin-bottom:12px}.modal-content p{color:var(--text-secondary);margin-bottom:16px;font-size:.9rem}.modal-content .input{width:100%;margin-bottom:16px;text-align:center;font-size:1.1rem;letter-spacing:2px}.modal-actions{display:flex;gap:12px;justify-content:flex-end}.nav-tabs{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:0 24px}.tabs-container{max-width:1600px;margin:0 auto;display:flex;gap:4px}.nav-tabs .tab{display:flex;align-items:center;gap:10px;padding:16px 24px;font-size:.95rem;font-weight:500;color:var(--text-secondary);background:transparent;border:none;cursor:pointer;position:relative;transition:all var(--transition-fast)}.nav-tabs .tab:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:var(--primary);transform:scaleX(0);transition:transform var(--transition-fast)}.nav-tabs .tab:hover{color:var(--text-primary)}.nav-tabs .tab.active{color:var(--primary-light)}.nav-tabs .tab.active:after{transform:scaleX(1)}.nav-tabs .tab svg{opacity:.7}.nav-tabs .tab.active svg{opacity:1}.tab-badge{background:var(--primary);color:#fff;font-size:.75rem;padding:2px 8px;border-radius:10px;min-width:20px;text-align:center}.main-content{flex:1;padding:16px 24px;max-width:1600px;margin:0 auto;width:100%;overflow:hidden;display:flex;flex-direction:column}.generator-layout{display:grid;grid-template-columns:1fr 380px;gap:16px;align-items:stretch;flex:1;min-height:0;overflow:hidden}@media(max-width:1200px){.generator-layout{grid-template-columns:1fr;overflow-y:auto}}.generator-form{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;overflow-y:auto;max-height:100%}.generator-preview{overflow-y:auto;max-height:100%}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:16px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.card-title{display:flex;align-items:center;gap:10px;font-size:1rem;font-weight:600;margin:0}.card-title svg{color:var(--primary-light)}.layout-view{display:grid;grid-template-columns:360px 1fr;gap:16px;align-items:start;flex:1;min-height:0;overflow:hidden}.layout-view>.card{overflow-y:scroll!important;overflow-x:hidden;max-height:calc(100vh - 180px);height:fit-content}.layout-view>.card::-webkit-scrollbar{width:8px}.layout-view>.card::-webkit-scrollbar-track{background:var(--bg-tertiary);border-radius:4px}.layout-view>.card::-webkit-scrollbar-thumb{background:var(--primary);border-radius:4px}.layout-view>.card::-webkit-scrollbar-thumb:hover{background:var(--primary-light)}.a4-preview-section{overflow:auto;display:flex;flex-direction:column;max-height:calc(100vh - 180px)}@media(max-width:1200px){.layout-view{grid-template-columns:1fr;overflow-y:auto}}.export-view{max-width:800px;margin:0 auto;overflow-y:auto;flex:1}.app-footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:12px 24px;text-align:center;flex-shrink:0}.footer-content{max-width:1600px;margin:0 auto}.footer-content p{margin:4px 0;font-size:.9rem}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center}.empty-state svg{width:80px;height:80px;color:var(--text-muted);margin-bottom:20px;opacity:.5}.empty-state h3{color:var(--text-secondary);margin-bottom:8px}.empty-state p{color:var(--text-muted);max-width:400px}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.section-title{display:flex;align-items:center;gap:12px;font-size:1.1rem;font-weight:600}.section-title svg{color:var(--primary-light)}.collapsible{border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;margin-bottom:16px}.collapsible-header{display:flex;align-items:center;justify-content:space-between;padding:16px;background:var(--bg-glass);cursor:pointer;transition:background var(--transition-fast)}.collapsible-header:hover{background:var(--bg-tertiary)}.collapsible-header h4{display:flex;align-items:center;gap:10px;font-size:.95rem;font-weight:500}.collapsible-icon{transition:transform var(--transition-fast)}.collapsible.open .collapsible-icon{transform:rotate(180deg)}.collapsible-content{padding:16px;background:var(--bg-secondary)}.input-row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}@media(max-width:600px){.input-row{grid-template-columns:1fr}}.color-group{display:flex;align-items:center;gap:12px}.color-preview{width:40px;height:40px;border-radius:var(--radius-sm);border:2px solid var(--border-color)}.range-group{display:flex;flex-direction:column;gap:8px}.range-header{display:flex;justify-content:space-between;align-items:center}.range-value{font-family:var(--font-mono);font-size:.9rem;color:var(--primary-light);background:var(--bg-glass);padding:4px 10px;border-radius:var(--radius-sm)}.qr-list-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:8px;transition:all var(--transition-fast)}.qr-list-item:hover{border-color:var(--primary);background:#6366f10d}.qr-list-thumbnail{width:48px;height:48px;background:#fff;border-radius:var(--radius-sm);padding:4px}.qr-list-thumbnail canvas{width:100%!important;height:100%!important}.qr-list-info{flex:1;min-width:0}.qr-list-content{font-size:.9rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.qr-list-meta{font-size:.75rem;color:var(--text-muted)}.qr-list-actions{display:flex;gap:4px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;text-align:center}.stat-value{font-size:1.5rem;font-weight:700;color:var(--primary-light);font-family:var(--font-mono)}.stat-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:4px}.info-box{display:flex;gap:12px;padding:16px;background:#6366f11a;border:1px solid rgba(99,102,241,.2);border-radius:var(--radius-md);margin-bottom:20px}.info-box svg{color:var(--primary-light);flex-shrink:0}.info-box p{font-size:.9rem;color:var(--text-secondary);line-height:1.5}.warning-box{display:flex;gap:12px;padding:16px;background:#f59e0b1a;border:1px solid rgba(245,158,11,.2);border-radius:var(--radius-md);margin-bottom:20px}.warning-box svg{color:var(--warning);flex-shrink:0}.warning-box p{font-size:.9rem;color:var(--text-secondary);line-height:1.5}.a4-preview-container{background:var(--bg-tertiary);border-radius:var(--radius-lg);padding:24px;overflow:auto;max-height:calc(100vh - 200px)}.a4-scale-controls{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:20px;padding:12px;background:var(--bg-glass);border-radius:var(--radius-md)}.a4-scale-controls span{font-family:var(--font-mono);min-width:50px;text-align:center}