@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--primary-color: #667eea;--secondary-color: #764ba2;--text-dark: #333333;--text-medium: #666666;--text-light: #999999;--bg-white: #ffffff;--bg-light: #fafbfc;--border-light: #e1e5e9;--shadow-light: 0 8px 32px rgba(0, 0, 0, .08);--shadow-medium: 0 15px 40px rgba(0, 0, 0, .12)}body{margin:0;min-width:320px;min-height:100vh;background:var(--primary-gradient);color:var(--text-dark);overflow-x:hidden}button{font-family:inherit}html{scroll-behavior:smooth}*:focus{outline:2px solid var(--primary-color);outline-offset:2px}*{margin:0;padding:0;box-sizing:border-box}#root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#333;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.app-layout{display:grid;grid-template-columns:320px 1fr 320px;gap:20px;padding:20px;min-height:100vh;max-width:1600px;margin:0 auto}.ad-section{display:flex;flex-direction:column;gap:20px;height:fit-content;position:sticky;top:20px}.ad-placeholder{background:#fffffff2;border-radius:12px;padding:20px;text-align:center;border:2px dashed #e0e0e0;transition:all .3s ease}.ad-placeholder:hover{border-color:#667eea;transform:translateY(-2px);box-shadow:0 8px 25px #0000001a}.ad-placeholder h3,.ad-placeholder h4{color:#667eea;margin-bottom:8px;font-weight:600}.ad-placeholder p{color:#666;font-size:14px;margin-bottom:15px}.ad-banner{background:linear-gradient(45deg,#f0f0f0,#e8e8e8);border-radius:8px;padding:40px 20px;color:#999;font-weight:500;border:1px solid #ddd}.ad-banner.small{padding:30px 15px;font-size:14px}.main-content{background:#fffffff2;border-radius:20px;padding:40px;box-shadow:0 20px 60px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}.header{text-align:center;margin-bottom:40px}.header h1{font-size:3rem;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:10px}.subtitle{font-size:1.2rem;color:#666;font-weight:400}.card{background:#fff;border-radius:16px;padding:30px;box-shadow:0 8px 32px #00000014;border:1px solid rgba(0,0,0,.05);margin-bottom:40px}.input-section{margin-bottom:30px}.input-label{display:block;font-weight:600;color:#333;margin-bottom:8px;font-size:1rem}.text-input{width:100%;padding:16px 20px;font-size:16px;border:2px solid #e1e5e9;border-radius:12px;transition:all .3s ease;background:#fafbfc}.text-input:focus{outline:none;border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a}.file-input-wrapper{position:relative}.file-input{position:absolute;width:100%;height:100%;opacity:0;cursor:pointer}.file-input-display{padding:16px 20px;border:2px dashed #e1e5e9;border-radius:12px;text-align:center;background:#fafbfc;cursor:pointer;transition:all .3s ease;font-weight:500;color:#666}.file-input-display:hover{border-color:#667eea;background:#f8f9ff;color:#667eea}.qr-display-section{text-align:center;margin:40px 0}.qr-container{position:relative;display:inline-block;padding:20px;background:#fff;border-radius:16px;box-shadow:0 8px 32px #0000001a;border:1px solid #f0f0f0}.qr-logo{position:absolute;top:50%;left:50%;width:80px;height:80px;transform:translate(-50%,-50%);border-radius:12px;object-fit:contain;background:#fff;padding:8px;box-shadow:0 4px 12px #00000026;border:2px solid #fff}.qr-info{margin-top:20px;padding:12px 20px;background:linear-gradient(135deg,#667eea20,#764ba220);border-radius:8px;color:#667eea;font-weight:500}.action-section{text-align:center}.download-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:16px 32px;font-size:16px;font-weight:600;border-radius:12px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}.download-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #667eea99}.download-btn:active:not(:disabled){transform:translateY(0)}.download-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.features{background:#fff;border-radius:16px;padding:40px;box-shadow:0 8px 32px #00000014;border:1px solid rgba(0,0,0,.05);margin-top:40px}.feature{text-align:center;padding:30px 20px;background:#fafbfc;border-radius:16px;box-shadow:0 4px 16px #0000000a;border:1px solid rgba(0,0,0,.02);transition:all .3s ease;position:relative;overflow:hidden}.feature:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(135deg,#667eea,#764ba2);opacity:0;transition:opacity .3s ease}.feature:hover{transform:translateY(-8px);box-shadow:0 20px 40px #0000001f;background:#fff}.feature:hover:before{opacity:1}.feature-icon{font-size:3.5rem;margin-bottom:20px;display:block;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:grayscale(.3);transition:filter .3s ease}.feature:hover .feature-icon{filter:grayscale(0);transform:scale(1.1)}.feature h3{color:#333;margin-bottom:15px;font-weight:600;font-size:1.3rem;transition:color .3s ease}.feature:hover h3{background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.feature p{color:#666;font-size:1rem;line-height:1.6;transition:color .3s ease}.feature:hover p{color:#555}@media (max-width: 1200px){.app-layout{grid-template-columns:250px 1fr 250px}}@media (max-width: 1024px){.app-layout{grid-template-columns:1fr;gap:30px}.ad-section{order:2;flex-direction:row;position:static}.main-content{order:1}.header h1{font-size:2.5rem}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px}}@media (max-width: 768px){.app-layout{padding:15px}.main-content{padding:30px 20px}.ad-section{flex-direction:column}.header h1{font-size:2rem}}.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}.help-text{display:block;margin-top:8px;color:#666;font-size:.9rem;line-height:1.4}.section-title{text-align:center;font-size:2.2rem;font-weight:700;color:#333;margin-bottom:50px;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;padding-bottom:20px}.section-title:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:80px;height:4px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:2px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.seo-content{background:#fff;border-radius:16px;padding:40px;box-shadow:0 8px 32px #00000014;border:1px solid rgba(0,0,0,.05);margin-top:40px}.seo-content h2{font-size:2rem;font-weight:700;color:#333;margin-bottom:30px;text-align:center;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.content-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.content-block{padding:20px;background:#fafbfc;border-radius:12px;border:1px solid #e1e5e9}.content-block h3{font-size:1.3rem;font-weight:600;color:#333;margin-bottom:15px}.content-block p{color:#666;line-height:1.6;margin-bottom:15px}.content-block ul,.content-block ol{color:#666;padding-left:20px;line-height:1.6}.content-block li{margin-bottom:8px}@media (max-width: 768px){.content-grid{grid-template-columns:1fr;gap:20px}.seo-content{padding:30px 20px}.section-title{font-size:1.8rem;margin-bottom:30px}.section-title:after{width:60px;height:3px}.seo-content h2{font-size:1.8rem}.features{padding:30px 20px}.features-grid{grid-template-columns:1fr;gap:20px}.feature{padding:25px 15px}.feature-icon{font-size:3rem;margin-bottom:15px}.feature h3{font-size:1.2rem}}