*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--text-color: #111827;--text-light: #374151;--bg-gradient: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;padding:20px;background:var(--bg-gradient);min-height:100vh;color:var(--text-color)}.container{max-width:800px;margin:0 auto;background-color:#fff;padding:2rem;border-radius:1rem;box-shadow:var(--shadow-lg);position:relative}.logo{position:absolute;top:1rem;right:1rem;width:120px;height:auto;opacity:.9;transition:opacity .2s ease}.logo:hover{opacity:1}.header-content{display:flex;align-items:center;justify-content:center;gap:1.5rem;margin-bottom:1.5rem;flex-wrap:wrap}.header-content .logo{position:static;width:100px;margin:0}.header-content h1{text-align:center;margin-bottom:0;color:var(--text-color);font-size:2rem;font-weight:700;letter-spacing:-.025em;flex-shrink:1}.subheadline{text-align:center;color:var(--text-light);font-size:1.1rem;font-weight:500;margin-top:.5rem;margin-bottom:1rem}.description{background-color:#f1f5f9;padding:1.5rem;border-radius:.75rem;margin-bottom:1.5rem;border:1px solid #cbd5e1;box-shadow:var(--shadow-sm)}.description p{margin-bottom:1rem;color:var(--text-color);font-size:.95rem}.description ul{list-style:none;margin:1rem 0}.description li{margin:.75rem 0;color:var(--text-color);display:flex;align-items:center;gap:.75rem;font-size:.95rem}.input-section{display:flex;gap:.75rem;margin-bottom:1.5rem;flex-wrap:wrap}input[type=text],input[type=number]{padding:.75rem 1rem;border:1px solid #e2e8f0;border-radius:.5rem;flex:1;min-width:200px;font-size:1rem;transition:all .2s ease;background-color:#f8fafc}input[type=text]:focus,input[type=number]:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}button{padding:.75rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:.5rem;cursor:pointer;transition:all .2s ease;font-weight:500;font-size:.95rem;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}button:hover{background-color:var(--primary-hover);transform:translateY(-1px)}button:active{transform:translateY(0)}.preview-section{display:flex;flex-direction:column;align-items:center;gap:1.5rem}#qrPreview{padding:1.5rem;background-color:#fff;border:1px solid #e2e8f0;border-radius:.75rem;box-shadow:var(--shadow-md)}#qrPreview canvas{max-width:100%}.download-options{display:flex;gap:.75rem}.example-qr{margin:1rem 0;padding:1rem;border-radius:.75rem;background:#f8fafc;border:1px solid #e2e8f0}.example-qr summary{cursor:pointer;padding:.5rem;font-weight:500;color:var(--text-color);transition:color .2s ease}.example-qr summary:hover{color:var(--primary-color)}.example-qr img{display:block;margin:1rem auto;border-radius:.5rem;box-shadow:var(--shadow-md);transition:transform .2s ease}.example-qr img:hover{transform:scale(1.02)}.footer{margin-top:2rem;padding:1.25rem;background-color:#f1f5f9;border-radius:.75rem;border:1px solid #cbd5e1}.footer p{color:var(--text-color);font-size:.875rem;line-height:1.5;text-align:center;margin-bottom:.75rem}.footer p:last-child{margin-bottom:0;font-size:.875rem;font-style:italic}.imprint{margin-top:1.5rem;text-align:center;padding-top:.75rem;border-top:1px solid #cbd5e1}.imprint a{color:var(--text-color);text-decoration:none;font-size:.875rem;transition:color .2s ease}.imprint a:hover{color:var(--primary-color);text-decoration:underline}@media (max-width: 600px){.header-content{flex-direction:column;text-align:center;gap:1rem}.header-content .logo{width:80px;margin-bottom:.5rem}.header-content h1{font-size:1.75rem;margin-top:0}.container{padding:1.5rem}.input-section{flex-direction:column}input[type=text],input[type=number]{min-width:unset;width:100%}.download-options{flex-direction:column;width:100%}.download-options button{width:100%}}
