*{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #327de0;--color-primary-hover: #327de0;--color-primary-light: rgba(3, 3, 3, .1);--color-bg-primary: #0f172a;--color-bg-secondary: #1e293b;--color-bg-tertiary: #334155;--color-surface: #1e293b;--color-surface-elevated: #334155;--color-text-primary: #f8fafc;--color-text-secondary: #cbd5e1;--color-text-muted: #94a3b8;--color-border: #334155;--color-border-light: #475569;--color-accent: #8b5cf6;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--gradient-primary: linear-gradient(135deg, #327de0 0%, #327de0 100%);--gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .5);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .6);--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--transition-base: all .2s ease;--transition-slow: all .3s ease}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.btn{border-radius:var(--radius-md);font-weight:600;transition:var(--transition-base);gap:var(--spacing-sm)}.btn-primary{background:var(--gradient-primary);border-color:var(--color-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover,.btn-primary:focus{background:var(--color-primary-hover);border-color:var(--color-primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--color-surface);color:var(--color-text-primary);border-color:var(--color-border)}.btn-secondary:hover,.btn-secondary:focus{background:var(--color-surface-elevated);border-color:var(--color-border-light);color:var(--color-text-primary)}.form-control,.form-select,input.form-control,textarea.form-control{background-color:var(--color-surface)!important;border:2px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary)!important;transition:var(--transition-base)}.form-control::placeholder,input.form-control::placeholder,textarea.form-control::placeholder{color:var(--color-text-muted);opacity:1}.form-control:focus,.form-select:focus,input.form-control:focus,textarea.form-control:focus{background-color:var(--color-surface)!important;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light);color:var(--color-text-primary)!important}.form-control:disabled,.form-control:read-only{background-color:var(--color-bg-secondary)!important;opacity:.6}.form-label{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--spacing-xs)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);color:var(--color-text-primary)}.card-body{padding:var(--spacing-xl)}.section-title{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text-primary);margin-bottom:var(--spacing-md)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-border-light);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}@media(max-width:768px){:root{--spacing-xl: 1.5rem;--spacing-2xl: 2rem}}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--color-bg-primary)}.app-header{background:var(--color-surface);border-bottom:1px solid 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0;font-size:var(--font-size-sm);color:var(--color-text-muted);font-weight:400;letter-spacing:.3px}.app-main{flex:1;padding:var(--spacing-2xl) 0}.controls-panel{display:flex;flex-direction:column;gap:var(--spacing-xl)}@media(min-width:1024px){.controls-panel{position:sticky;top:calc(80px + var(--spacing-xl));max-height:calc(100vh - 120px);overflow-y:auto;padding-right:var(--spacing-sm)}}.preview-panel{display:flex;flex-direction:column;gap:var(--spacing-xl)}.panel-section{animation:fadeIn .5s ease-out}.color-controls{display:flex;flex-direction:column;gap:var(--spacing-lg)}.gradient-toggle{padding:var(--spacing-sm);background:var(--color-bg-secondary);border-radius:var(--radius-md)}.toggle-label{display:flex;align-items:center;gap:var(--spacing-sm);cursor:pointer;font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary)}.toggle-checkbox{width:18px;height:18px;cursor:pointer;accent-color:var(--color-primary)}.app-footer{background:var(--color-surface);border-top:1px solid var(--color-border);padding:var(--spacing-xl) 0;margin-top:var(--spacing-3xl)}.app-footer p{margin:0;text-align:center;font-size:var(--font-size-sm);color:var(--color-text-muted)}.embed-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);background:var(--color-bg-primary)}@media(max-width:768px){.app-header{padding:var(--spacing-lg) 0}.app-header h1{font-size:var(--font-size-xl)}.logo-icon{width:40px;height:40px}.logo-icon svg{width:24px;height:24px}.app-main{padding:var(--spacing-xl) 0}}.controls-panel::-webkit-scrollbar{width:6px}.controls-panel::-webkit-scrollbar-track{background:transparent}.controls-panel::-webkit-scrollbar-thumb{background:var(--color-surface-elevated);border-radius:var(--radius-full)}.controls-panel::-webkit-scrollbar-thumb:hover{background:var(--color-bg-tertiary)}.qr-preview-wrapper{position:relative;display:flex;align-items:center;justify-content:center;min-height:400px;width:100%;background:var(--color-surface);border:2px dashed var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-xl);transition:all var(--transition-base)}.qr-preview-wrapper:hover{border-color:var(--color-border-light);background:var(--color-surface-elevated)}.qr-canvas{max-width:100%;height:auto;box-shadow:var(--shadow-xl);transition:all var(--transition-base)}.qr-canvas:hover{transform:scale(1.02)}.qr-placeholder{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);color:var(--color-text-muted);text-align:center}.qr-placeholder svg{opacity:.3}.qr-placeholder p{font-size:var(--font-size-sm)}.qr-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.qr-preview-wrapper{min-height:300px;padding:var(--spacing-lg)}}.data-type-selector{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--spacing-sm)}.data-type-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-md) var(--spacing-sm);background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition-base);position:relative;overflow:hidden}.header-left{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.data-textarea{background-color:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-primary);width:100%}.data-type-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--type-color);opacity:0;transition:var(--transition-base)}.data-type-card:hover{background:var(--color-surface-elevated);border-color:var(--color-border-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.data-type-card:hover:before{opacity:.5}.data-type-card.active{background:var(--color-primary);border-color:var(--color-primary);box-shadow:var(--shadow-lg)}.data-type-card.active .card-icon-wrapper,.data-type-card.active .card-label{color:#fff}.card-icon-wrapper{font-size:1.5rem;color:var(--type-color);display:flex;align-items:center;justify-content:center;transition:var(--transition-base)}.card-label{font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-secondary);transition:var(--transition-base)}.data-preview{padding:var(--spacing-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);display:flex;flex-direction:column;gap:var(--spacing-sm)}.preview-value{font-family:Courier New,monospace;font-size:var(--font-size-sm);color:var(--color-text-secondary);background:var(--color-bg-secondary);padding:var(--spacing-sm);border-radius:var(--radius-sm);word-break:break-all;border:1px solid var(--color-border)}@media(max-width:768px){.data-type-selector{grid-template-columns:repeat(3,1fr)}}@media(max-width:480px){.data-type-selector{grid-template-columns:repeat(2,1fr)}}.color-picker-container{display:flex;flex-direction:column;gap:var(--spacing-sm)}.color-preview{position:relative;width:56px;height:56px;border-radius:var(--radius-lg);border:3px solid var(--color-border);cursor:pointer;overflow:hidden;flex-shrink:0;transition:var(--transition-base);box-shadow:var(--shadow-md)}.color-preview:hover{transform:scale(1.05);box-shadow:var(--shadow-lg);border-color:var(--color-primary)}.color-preview:active{transform:scale(.98)}.color-input-native{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.color-text-input{font-family:Courier New,monospace;font-weight:500}.color-presets{display:grid;grid-template-columns:repeat(10,1fr);gap:var(--spacing-sm);padding:var(--spacing-sm);background:var(--color-bg-secondary);border-radius:var(--radius-md);height:30px}.color-preset{aspect-ratio:1;border:2px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-base);position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}.color-preset:hover{transform:scale(1.2);box-shadow:var(--shadow-lg);z-index:1;border-color:var(--color-border-light)}.color-preset.active{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light),var(--shadow-md);transform:scale(1.15);z-index:2}.color-preset.active:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-weight:700;font-size:var(--font-size-sm);text-shadow:0 0 4px rgba(0,0,0,.8),0 0 8px rgba(0,0,0,.5);filter:drop-shadow(0 2px 4px rgba(0,0,0,.5))}@media(max-width:768px){.color-presets{grid-template-columns:repeat(5,1fr)}.color-preview{width:48px;height:48px}}.button-group{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-sm)}.style-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-xs);padding:var(--spacing-md);background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-secondary);cursor:pointer;transition:var(--transition-base);font-size:var(--font-size-sm);font-weight:500}.style-btn:hover{background:var(--color-surface-elevated);border-color:var(--color-border-light);color:var(--color-text-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.style-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff;box-shadow:var(--shadow-lg)}.btn-icon{font-size:1.5rem;display:flex;align-items:center;justify-content:center}.btn-label{font-size:var(--font-size-xs);font-weight:600}.error-correction-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}.error-level-card{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition-base);text-align:left}.error-level-card:hover{background:var(--color-surface-elevated);border-color:var(--color-border-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.error-level-card.active{background:var(--color-primary);border-color:var(--color-primary);box-shadow:var(--shadow-lg)}.error-level-card.active .card-icon,.error-level-card.active .card-label,.error-level-card.active .card-description{color:#fff}.card-icon{font-size:1.75rem;color:var(--color-primary);flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:var(--transition-base)}.card-content{display:flex;flex-direction:column;gap:.25rem;flex:1}.card-label{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary);transition:var(--transition-base)}.card-description{font-size:var(--font-size-xs);color:var(--color-text-muted);transition:var(--transition-base)}@media(max-width:768px){.error-correction-grid{grid-template-columns:1fr}.button-group{grid-template-columns:repeat(3,1fr)}}.presets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:var(--spacing-md)}.preset-card{display:flex;flex-direction:column;gap:var(--spacing-sm);padding:var(--spacing-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);text-align:left}.preset-card:hover{background:var(--color-surface-elevated);border-color:var(--color-primary);transform:translateY(-4px);box-shadow:var(--shadow-lg)}.preset-preview{display:flex;align-items:center;justify-content:center;height:80px;background:var(--color-bg-secondary);border-radius:var(--radius-md);padding:var(--spacing-sm)}.preset-qr-mock{width:60px;height:60px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2px;padding:4px;box-shadow:var(--shadow-sm)}.preset-dots{width:100%;height:100%}.preset-info{display:flex;flex-direction:column;gap:2px}.preset-name{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary);margin:0}.preset-description{font-size:var(--font-size-xs);color:var(--color-text-muted);margin:0;line-height:1.3}@media(max-width:768px){.presets-grid{grid-template-columns:repeat(2,1fr)}}.upload-area{position:relative;border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-xl);transition:all var(--transition-base);background:var(--color-surface)}.upload-area:hover,.upload-area.drag-active{border-color:var(--color-primary);background:var(--color-surface-elevated)}.file-input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.upload-label{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);cursor:pointer;color:var(--color-text-secondary)}.upload-label svg{color:var(--color-text-muted)}.upload-text{font-size:var(--font-size-sm);text-align:center}.upload-text strong{color:var(--color-primary)}.upload-hint{font-size:var(--font-size-xs);color:var(--color-text-muted)}.logo-preview{position:relative;width:120px;height:120px;border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-sm);background:var(--color-surface);display:flex;align-items:center;justify-content:center}.logo-preview img{max-width:100%;max-height:100%;object-fit:contain}.remove-btn{position:absolute;top:-8px;right:-8px;width:28px;height:28px;border-radius:50%;background:var(--color-error);border:2px solid var(--color-bg-primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-base)}.remove-btn:hover{transform:scale(1.1);box-shadow:var(--shadow-md)}.slider{height:6px;border-radius:var(--radius-full);background:var(--color-bg-secondary)}.export-panel-container{display:flex;flex-direction:column;gap:var(--spacing-xl);padding:var(--spacing-xl);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl)}.export-panel-container h3{margin:0;font-size:var(--font-size-xl);color:var(--color-text-primary)}.export-section{display:flex;flex-direction:column;gap:var(--spacing-md)}.format-selector{display:flex;gap:var(--spacing-sm);padding:var(--spacing-sm);background:var(--color-bg-secondary);border-radius:var(--radius-md)}.format-btn{flex:1;padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-secondary);font-weight:600;font-size:var(--font-size-sm);cursor:pointer;transition:all var(--transition-base)}.format-btn:hover{background:var(--color-surface);border-color:var(--color-border-light);color:var(--color-text-primary)}.format-btn.active{background:var(--gradient-primary);color:#fff;border-color:transparent;box-shadow:var(--shadow-sm)}.export-buttons,.share-buttons{display:flex;flex-direction:column;gap:var(--spacing-sm)}.resolution-control{padding:var(--spacing-md);background:var(--color-bg-secondary);border-radius:var(--radius-md)}.resolution-labels{font-size:var(--font-size-xs);color:var(--color-text-muted)}.slider{height:6px;border-radius:var(--radius-full);background:var(--color-bg-tertiary)}.slider::-webkit-slider-thumb{width:18px;height:18px;border-radius:50%;background:var(--gradient-primary);cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-base)}.slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:var(--shadow-md)}.slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--gradient-primary);cursor:pointer;border:none;box-shadow:var(--shadow-sm);transition:all var(--transition-base)}.slider::-moz-range-thumb:hover{transform:scale(1.2);box-shadow:var(--shadow-md)}.copy-feedback{animation:fadeIn .3s ease-out}.copy-feedback svg{flex-shrink:0}.privacy-warning{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out;padding:var(--spacing-lg)}.privacy-warning-content{background:var(--color-surface);border:2px solid rgba(245,158,11,.4);border-radius:var(--radius-xl);padding:var(--spacing-xl);max-width:500px;width:100%;box-shadow:var(--shadow-2xl);animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.warning-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.warning-icon{flex-shrink:0;color:#f59e0b}.warning-header h4{margin:0;font-size:var(--font-size-lg);color:var(--color-text-primary);font-weight:600}.warning-body{margin-bottom:var(--spacing-lg)}.warning-body p{margin:0;font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:1.6}.warning-actions{display:flex;gap:var(--spacing-md);justify-content:flex-end}.warning-actions .btn{min-width:120px}@media(max-width:768px){.export-panel-container{padding:var(--spacing-lg)}.privacy-warning-content{max-width:90%}.warning-actions{flex-direction:column-reverse}.warning-actions .btn{width:100%}}