.qr-generator{max-width:1200px;margin:0 auto;padding:2rem 1rem;min-height:100vh;transition:all .3s ease}.qr-generator.dark-mode{background:linear-gradient(135deg,#1a1a1a,#2d2d2d);color:#fff}.generator-container{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:24px;padding:3rem 2rem;box-shadow:0 20px 40px #0000001a,0 8px 16px #0000000d,inset 0 1px #fff3;border:1px solid rgba(255,255,255,.2);transition:all .3s ease}.dark-mode .generator-container{background:#2d2d2df2;border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 40px #0000004d,0 8px 16px #0003,inset 0 1px #ffffff0d}.generator-header{text-align:center;margin-bottom:3rem}.header-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.theme-toggle{background:none;border:2px solid var(--primary-color);border-radius:50%;width:48px;height:48px;font-size:1.2rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.theme-toggle:hover{background:var(--primary-color);color:#fff;transform:scale(1.1)}.generator-title{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin:0;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dark-mode .generator-title{color:#fff}.generator-subtitle{font-size:1.1rem;color:var(--text-secondary);margin:1rem 0 0;line-height:1.6;max-width:600px;margin-left:auto;margin-right:auto}.dark-mode .generator-subtitle{color:#ccc}.generator-content{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}.templates-section{margin-bottom:2rem}.section-title{font-size:1.3rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.dark-mode .section-title{color:#fff}.templates-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.75rem}.template-btn{background:#fffc;border:2px solid rgba(0,0,0,.1);border-radius:12px;padding:1rem .75rem;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:.5rem;font-size:.9rem;font-weight:500}.dark-mode .template-btn{background:#ffffff1a;border-color:#fff3;color:#fff}.template-btn:hover{transform:translateY(-2px);box-shadow:0 8px 16px #0000001a;border-color:var(--primary-color)}.template-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.template-icon{font-size:1.5rem}.template-name{text-align:center;line-height:1.2}.input-section{display:flex;flex-direction:column;gap:1.5rem}.input-group{display:flex;flex-direction:column;gap:.5rem}.input-label{font-weight:600;color:var(--text-primary);font-size:1rem}.dark-mode .input-label{color:#fff}.text-input{width:100%;padding:1rem;border:2px solid rgba(0,0,0,.1);border-radius:12px;font-size:1rem;font-family:inherit;resize:vertical;min-height:80px;transition:all .3s ease;background:#ffffffe6}.dark-mode .text-input{background:#ffffff1a;border-color:#fff3;color:#fff}.text-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #007bff1a;transform:translateY(-1px)}.text-input::placeholder{color:var(--text-secondary)}.dark-mode .text-input::placeholder{color:#999}.input-analytics{display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-secondary);margin-top:.5rem}.dark-mode .input-analytics{color:#ccc}.char-count,.encoding-type{background:#0000000d;padding:.25rem .5rem;border-radius:6px;font-weight:500}.dark-mode .char-count,.dark-mode .encoding-type{background:#ffffff1a}.input-help{font-size:.9rem;color:var(--text-secondary);margin:0;font-style:italic}.dark-mode .input-help{color:#999}.settings-toggle{background:#0000000d;border:2px solid rgba(0,0,0,.1);border-radius:12px;padding:.75rem 1rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem;font-weight:500;color:var(--text-primary);justify-content:center}.dark-mode .settings-toggle{background:#ffffff1a;border-color:#fff3;color:#fff}.settings-toggle:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color);transform:translateY(-1px)}.settings-icon{font-size:1.1rem}.settings-panel{background:#fffc;border:2px solid rgba(0,0,0,.1);border-radius:16px;padding:1.5rem;margin-top:1rem}.dark-mode .settings-panel{background:#ffffff1a;border-color:#fff3}.settings-title{font-size:1.2rem;font-weight:600;color:var(--text-primary);margin:0 0 1.5rem}.dark-mode .settings-title{color:#fff}.themes-section{margin-bottom:2rem}.subsection-title{font-size:1rem;font-weight:600;color:var(--text-primary);margin:0 0 1rem}.dark-mode .subsection-title{color:#fff}.themes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:.75rem;margin-bottom:1.5rem}.theme-btn{background:none;border:2px solid rgba(0,0,0,.1);border-radius:8px;padding:.5rem;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:.25rem}.dark-mode .theme-btn{border-color:#fff3}.theme-btn:hover{transform:scale(1.05);border-color:var(--primary-color)}.theme-preview{display:flex;width:100%;height:20px;border-radius:4px;overflow:hidden}.theme-dark{flex:1;background-color:var(--theme-dark)}.theme-light{flex:1;background-color:var(--theme-light)}.theme-name{font-size:.75rem;font-weight:500;color:var(--text-primary)}.dark-mode .theme-name{color:#fff}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.setting-group{display:flex;flex-direction:column;gap:.5rem}.setting-label{font-weight:600;color:var(--text-primary);font-size:.9rem}.dark-mode .setting-label{color:#fff}.setting-select{padding:.75rem;border:2px solid rgba(0,0,0,.1);border-radius:8px;font-size:.9rem;background:#ffffffe6;cursor:pointer;transition:all .3s ease}.dark-mode .setting-select{background:#ffffff1a;border-color:#fff3;color:#fff}.setting-select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #007bff1a}.color-input{width:100%;height:48px;border:2px solid rgba(0,0,0,.1);border-radius:8px;cursor:pointer;transition:all .3s ease;background:none}.dark-mode .color-input{border-color:#fff3}.color-input:hover{transform:scale(1.02)}.preview-section{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.qr-preview-container{width:100%;max-width:400px;background:#fffc;border:2px solid rgba(0,0,0,.1);border-radius:16px;padding:2rem;display:flex;flex-direction:column;align-items:center;gap:1.5rem;min-height:400px;justify-content:center}.dark-mode .qr-preview-container{background:#ffffff1a;border-color:#fff3}.loading-container{display:flex;flex-direction:column;align-items:center;gap:1rem}.loading-spinner{width:48px;height:48px;border:4px solid rgba(0,0,0,.1);border-top:4px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}.dark-mode .loading-spinner{border-color:#fff3;border-top-color:var(--primary-color)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text{color:var(--text-secondary);font-weight:500}.dark-mode .loading-text{color:#ccc}.qr-preview{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.qr-image{max-width:100%;height:auto;border-radius:8px;box-shadow:0 8px 16px #0000001a;transition:all .3s ease}.qr-image:hover{transform:scale(1.02);box-shadow:0 12px 24px #00000026}.qr-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}.download-btn,.action-btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem;font-size:.9rem;text-decoration:none}.download-btn.primary{background:var(--primary-color);color:#fff}.download-btn.primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 16px #007bff4d}.download-btn.secondary{background:#0000001a;color:var(--text-primary);border:2px solid rgba(0,0,0,.1)}.dark-mode .download-btn.secondary{background:#ffffff1a;color:#fff;border-color:#fff3}.download-btn.secondary:hover{background:var(--accent-color);color:#fff;border-color:var(--accent-color);transform:translateY(-2px)}.action-btn{background:#0000000d;color:var(--text-primary);border:2px solid rgba(0,0,0,.1)}.dark-mode .action-btn{background:#ffffff1a;color:#fff;border-color:#fff3}.action-btn:hover{background:var(--accent-color);color:#fff;border-color:var(--accent-color);transform:translateY(-2px)}.btn-icon{font-size:1rem}.empty-state{display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center;color:var(--text-secondary)}.dark-mode .empty-state{color:#999}.empty-icon{font-size:3rem;opacity:.5}.empty-text{font-size:1rem;font-weight:500;margin:0}.error-message,.success-message{padding:1rem;border-radius:8px;display:flex;align-items:center;gap:.5rem;font-weight:500;animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.error-message{background:#dc35451a;color:#dc3545;border:1px solid rgba(220,53,69,.2)}.dark-mode .error-message{background:#dc354533;border-color:#dc35454d}.success-message{background:#28a7451a;color:#28a745;border:1px solid rgba(40,167,69,.2)}.dark-mode .success-message{background:#28a74533;border-color:#28a7454d}.error-icon,.success-icon{font-size:1.1rem}.history-section{margin-top:2rem;padding-top:2rem;border-top:1px solid rgba(0,0,0,.1)}.dark-mode .history-section{border-top-color:#ffffff1a}.history-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.history-item{background:#fffc;border:1px solid rgba(0,0,0,.1);border-radius:12px;padding:1rem;display:flex;align-items:center;gap:1rem;transition:all .3s ease;cursor:pointer}.dark-mode .history-item{background:#ffffff1a;border-color:#fff3}.history-item:hover{transform:translateY(-2px);box-shadow:0 8px 16px #0000001a}.history-qr{width:60px;height:60px;border-radius:6px;flex-shrink:0}.history-info{flex:1;min-width:0}.history-text{font-size:.9rem;font-weight:500;color:var(--text-primary);margin:0 0 .25rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dark-mode .history-text{color:#fff}.history-time{font-size:.8rem;color:var(--text-secondary)}.dark-mode .history-time{color:#ccc}@media (max-width: 768px){.generator-content{grid-template-columns:1fr;gap:2rem}.generator-container{padding:2rem 1rem}.generator-title{font-size:2rem}.templates-grid{grid-template-columns:repeat(auto-fit,minmax(100px,1fr))}.settings-grid{grid-template-columns:1fr}.themes-grid{grid-template-columns:repeat(auto-fit,minmax(60px,1fr))}.qr-actions{flex-direction:column;width:100%}.download-btn,.action-btn{width:100%;justify-content:center}.history-grid{grid-template-columns:1fr}.header-top{flex-direction:column;gap:1rem}}@media (max-width: 480px){.qr-generator{padding:1rem .5rem}.generator-container{padding:1.5rem 1rem}.generator-title{font-size:1.75rem}.templates-grid{grid-template-columns:repeat(2,1fr)}.themes-grid{grid-template-columns:repeat(3,1fr)}}.animate-fade-in{animation:fadeIn .4s ease-out}.animate-scale-in{animation:scaleIn .5s 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.nav-link{color:#fff}.nav-link:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.nav-link:hover:before{left:100%}.nav-link:hover{background:#0000000d;color:var(--primary-color);transform:translateY(-1px);box-shadow:0 4px 8px #0000001a}.dark-mode .nav-link:hover{background:#ffffff1a;color:var(--primary-color);box-shadow:0 4px 8px #0000004d}.nav-icon{font-size:1.1rem;transition:transform .3s ease}.nav-link:hover .nav-icon{transform:scale(1.1)}@media (max-width: 768px){.header-content{flex-direction:column;gap:1rem}.nav-list{gap:1rem}.nav-link{padding:.5rem .75rem;font-size:.9rem}.logo-title{font-size:1.25rem}.logo-icon{font-size:1.5rem}}@media (max-width: 480px){.nav-list{flex-wrap:wrap;justify-content:center;gap:.5rem}.nav-link{padding:.5rem;font-size:.8rem}.nav-icon{font-size:1rem}.logo-title{font-size:1.1rem}.logo-subtitle{font-size:.7rem}}.footer{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid rgba(0,0,0,.1);padding:3rem 0 1.5rem;margin-top:4rem;transition:all .3s ease}.dark-mode .footer{background:#2d2d2df2;border-top-color:#ffffff1a}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section{display:flex;flex-direction:column;gap:1rem}.footer-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0;display:flex;align-items:center;gap:.5rem}.dark-mode .footer-title{color:#fff}.footer-icon{font-size:1.5rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.dark-mode .footer-icon{filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.footer-subtitle{font-size:1rem;font-weight:600;color:var(--text-primary);margin:0 0 .5rem}.dark-mode .footer-subtitle{color:#fff}.footer-description{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin:0}.dark-mode .footer-description{color:#ccc}.footer-features{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.feature-tag{background:#007bff1a;color:var(--primary-color);padding:.25rem .5rem;border-radius:var(--radius-sm);font-size:.75rem;font-weight:500;border:1px solid rgba(0,123,255,.2)}.dark-mode .feature-tag{background:#007bff33;border-color:#007bff4d}.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.footer-list li{font-size:.9rem;color:var(--text-secondary);display:flex;align-items:center;gap:.5rem}.dark-mode .footer-list li{color:#ccc}.footer-links{display:flex;flex-wrap:wrap;gap:1rem;margin-top:.5rem}.footer-link{color:var(--primary-color);text-decoration:none;font-size:.85rem;font-weight:500;transition:all .3s ease;position:relative}.footer-link:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:1px;background:var(--primary-color);transition:width .3s ease}.footer-link:hover:after{width:100%}.footer-link:hover{color:var(--primary-dark);transform:translateY(-1px)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:1.5rem;border-top:1px solid rgba(0,0,0,.1);flex-wrap:wrap;gap:1rem}.dark-mode .footer-bottom{border-top-color:#ffffff1a}.footer-info{display:flex;flex-direction:column;gap:.25rem}.copyright{font-size:.9rem;color:var(--text-secondary);margin:0}.dark-mode .copyright{color:#ccc}.brand{color:var(--primary-color);font-weight:600}.footer-note{font-size:.8rem;color:var(--text-muted);margin:0;font-style:italic}.dark-mode .footer-note{color:#999}.footer-social{display:flex;gap:1rem}.social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:#0000000d;border:1px solid rgba(0,0,0,.1);border-radius:50%;color:var(--text-secondary);text-decoration:none;transition:all .3s ease}.dark-mode .social-link{background:#ffffff1a;border-color:#fff3;color:#ccc}.social-link:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 8px #007bff4d}.social-icon{font-size:1.1rem}@media (max-width: 768px){.footer{padding:2rem 0 1rem}.footer-content{grid-template-columns:1fr;gap:1.5rem}.footer-bottom{flex-direction:column;text-align:center;gap:1rem}.footer-features,.footer-links{justify-content:center}}@media (max-width: 480px){.footer{padding:1.5rem 0 1rem}.footer-title{font-size:1.1rem}.footer-icon{font-size:1.25rem}.footer-features{gap:.25rem}.feature-tag{font-size:.7rem;padding:.2rem .4rem}.social-link{width:36px;height:36px}.social-icon{font-size:1rem}}.app{min-height:100vh;display:flex;flex-direction:column;opacity:0;transform:translateY(20px);transition:all .6s ease-out}.app.loaded{opacity:1;transform:translateY(0)}.main-content{flex:1;padding:2rem 0;display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 200px)}@media (max-width: 768px){.main-content{padding:1rem 0;min-height:calc(100vh - 150px)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.animate-fade-in-up{animation:fadeInUp .6s ease-out}.animate-fade-in{animation:fadeIn .6s ease-out}.animate-scale-in{animation:scaleIn .6s ease-out}@media (max-width: 640px){.main-content{padding:1rem 0}}@media (min-width: 1024px){.main-content{padding:3rem 0}}:root{--primary-color: #007bff;--primary-dark: #0056b3;--accent-color: #6f42c1;--accent-dark: #5a32a3;--text-primary: #1a1a1a;--text-secondary: #6c757d;--text-muted: #adb5bd;--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--border-light: rgba(0, 0, 0, .1);--border-medium: rgba(0, 0, 0, .2);--success-color: #28a745;--warning-color: #ffc107;--error-color: #dc3545;--info-color: #17a2b8;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .1);--shadow-xl: 0 16px 32px rgba(0, 0, 0, .1);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 24px;--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}.dark-mode{--text-primary: #ffffff;--text-secondary: #cccccc;--text-muted: #999999;--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--bg-tertiary: #404040;--border-light: rgba(255, 255, 255, .1);--border-medium: rgba(255, 255, 255, .2);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 8px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .3);--shadow-xl: 0 16px 32px rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}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;line-height:1.6;color:var(--text-primary);background:linear-gradient(135deg,#f5f7fa,#c3cfe2);min-height:100vh;transition:background var(--transition-normal),color var(--transition-normal)}.dark-mode body{background:linear-gradient(135deg,#1a1a1a,#2d2d2d);color:var(--text-primary)}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(0,0,0,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.02) 1px,transparent 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