.advanced-qr-container{background-color:rgba(255,255,255,.7);backdrop-filter:blur(5px);padding:20px;border-radius:10px;max-width:100%;box-sizing:border-box}.advanced-qr-generator{font-family:"Segoe UI",Tahoma,Geneva,Verdana,sans-serif;color:#333}.advanced-qr-generator h2,.advanced-qr-generator h3,.advanced-qr-generator h4{margin-top:0}.advanced-qr-generator h2{font-size:1.5em;border-bottom:2px solid #eee;padding-bottom:10px;margin-bottom:20px}.advanced-qr-generator h3{font-size:1.2em;margin-bottom:15px}.advanced-qr-generator h4{font-size:1em;margin-bottom:10px}.qr-input-section textarea{width:100%;min-height:100px;padding:10px;border:1px solid #ddd;border-radius:4px;resize:vertical;box-sizing:border-box}.qr-settings{display:grid;grid-template-columns:1fr;gap:20px;margin:20px 0}.color-settings,.logo-section,.file-attachment,.quality-settings{background:rgba(249,249,249,.8);padding:15px;border-radius:6px}.color-option{margin-bottom:15px}.color-choices{display:flex;flex-direction:column;gap:8px;margin-bottom:10px}.color-choices label{display:flex;align-items:center;gap:8px}.color-picker{width:100%;height:40px;border:1px solid #ddd;border-radius:4px;box-sizing:border-box}.eye-color-options{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.eye-color{width:40px;height:40px;border:1px solid #ddd;border-radius:4px}.copy-fg,.customize-btn,.generate-btn,.download-btn{background:#437057;color:white;border:none;padding:10px 15px;border-radius:4px;cursor:pointer;font-size:.9em;transition:all .3s;width:100%;box-sizing:border-box;margin-top:10px}.copy-fg:hover,.customize-btn:hover,.generate-btn:hover,.download-btn:not(:disabled):hover{background:#3a634d;transform:translateY(-1px)}.logo-preview{width:100%;min-height:100px;border:1px dashed #ddd;margin:10px 0;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.8)}.logo-preview img{max-width:100%;max-height:100px}.quality-options,.format-options{display:flex;flex-direction:column;gap:8px}.format-options{margin-bottom:15px}.generate-btn{font-size:1em;padding:12px}.qr-result-container{margin-top:30px;text-align:center}.qr-preview{margin:0 auto;max-width:300px;border:1px solid #eee;padding:10px;background:rgba(255,255,255,.8)}.qr-preview img{max-width:100%;height:auto}.download-btn:disabled{background:#ccc;cursor:not-allowed}.disclaimer{display:block;font-size:.8em;color:#666;margin-top:8px}.pro-feature-note{margin-top:30px;padding:15px;background:rgba(240,247,255,.8);border-left:4px solid #437057;font-size:.9em;color:#555}@media (min-width:768px){.qr-settings{grid-template-columns:1fr 1fr}.color-choices{flex-direction:row;flex-wrap:wrap}.copy-fg,.customize-btn{width:auto}}