:root{--background-color: #fcfdff;--card-background: rgba(255, 255, 255, .9);--text-color: #1a202c;--text-muted: #718096;--primary-color: #3671ff;--primary-hover-color: #275de8;--border-color: #e2e8f0;--input-background: #fdfdfe;--error-color: #e53e3e;--success-color: #38a169;--font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--box-shadow: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -1px rgba(0, 0, 0, .04);--box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .07), 0 4px 6px -2px rgba(0, 0, 0, .05);--border-radius: .5rem}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);font-size:16px;line-height:1.6;overflow-x:hidden;position:relative}body:before,body:after{content:"";position:fixed;z-index:-1;border-radius:50%;filter:blur(150px);opacity:.15}body:before{background:radial-gradient(circle,#ff8a80,#ffc1b2);width:350px;height:350px;top:-100px;left:-100px}body:after{background:radial-gradient(circle,#8c9eff,#c5cae9);width:450px;height:450px;bottom:-150px;right:-150px}.hidden{display:none!important}.app-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:#fffc;-webkit-backdrop-filter:saturate(180%) blur(5px);backdrop-filter:saturate(180%) blur(5px);box-shadow:0 1px 2px #0000000d;position:sticky;top:0;z-index:100}.app-header .logo{display:flex;align-items:center;gap:.75rem}.app-header .logo img{height:32px}.app-header .logo h2{font-size:1.25rem;font-weight:600;color:var(--text-color)}.auth-nav,#auth-links{display:flex;gap:.75rem}#user-session{display:flex;align-items:center;gap:1rem}#user-display{font-weight:500;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}#app{display:flex;justify-content:center;align-items:flex-start;padding:2rem;min-height:calc(100vh - 72px)}.container{display:grid;grid-template-columns:400px 1fr;gap:3rem;width:100%;max-width:1200px}.controls-section{background-color:var(--card-background);padding:1.5rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow-lg);border:1px solid var(--border-color)}.tabs{display:flex;border-bottom:1px solid var(--border-color);margin-bottom:1.5rem}.tab-btn{padding:.75rem 1rem;border:none;background-color:transparent;cursor:pointer;font-size:1rem;font-weight:600;color:var(--text-muted);position:relative;transition:color .2s ease-in-out;flex-shrink:0}.tab-btn.active{color:var(--primary-color)}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background-color:var(--primary-color)}.tab-panel{display:none}.tab-panel.active{display:block}.form-group{margin-bottom:1.25rem}.form-group-inline{display:flex;gap:1rem;margin-bottom:1.25rem}.form-group-inline .form-group{width:100%;margin-bottom:0}label{display:block;font-weight:500;margin-bottom:.5rem;font-size:.9rem;color:var(--text-color)}input[type=text],input[type=email],input[type=password],select{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:.375rem;background-color:var(--input-background);font-size:1rem;font-family:var(--font-family);transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;-moz-appearance:none;appearance:none}select{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right .5rem center;background-repeat:no-repeat;background-size:1.5em 1.5em;padding-right:2.5rem}input[type=text]:focus,input[type=email]:focus,input[type=password]:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3671ff33}.color-picker-group{display:flex;gap:1rem}.color-picker-wrapper{display:flex;align-items:center;gap:.5rem;position:relative}.color-picker-wrapper label{margin-bottom:0}input[type=color]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:2.5rem;height:2.5rem;padding:0;border:1px solid var(--border-color);border-radius:50%;cursor:pointer;background:transparent}input[type=color]::-webkit-color-swatch{border:none;border-radius:50%}input[type=color]::-moz-color-swatch{border:none;border-radius:50%}.file-upload-wrapper input[type=file]{display:none}.file-upload-label{display:flex;align-items:center;justify-content:center;width:100%;padding:2rem;border:2px dashed var(--border-color);border-radius:.375rem;cursor:pointer;transition:border-color .2s,background-color .2s;text-align:center;color:var(--text-muted)}.file-upload-label:hover{border-color:var(--primary-color);background-color:#f5f7fa80}#file-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.btn{display:inline-block;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;text-align:center;border-radius:.375rem;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:all .3s ease-in-out}.btn-primary{background-color:var(--primary-color);color:#fff;width:100%;box-shadow:0 4px 15px #3671ff40}.btn-primary:hover{background-color:var(--primary-hover-color);box-shadow:0 6px 20px #3671ff59;transform:translateY(-1px)}.btn-secondary{background-color:var(--card-background);color:var(--primary-color);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--input-background);border-color:var(--primary-color)}.btn-tertiary{width:100%;margin-top:.75rem;background-color:transparent;color:var(--error-color);border:none;padding:.5rem}.btn-tertiary:hover{background-color:#e53e3e1a}.output-section{display:flex;flex-direction:column;justify-content:flex-start;align-items:center;gap:2rem;position:sticky;top:calc(72px + 2rem)}#qr-code-container{width:100%;max-width:384px;aspect-ratio:1 / 1;display:flex;justify-content:center;align-items:center;background-color:var(--card-background);border-radius:var(--border-radius);padding:1rem;box-shadow:var(--box-shadow-lg);border:1px solid var(--border-color);position:relative}#qr-code-container.blurred>canvas,#qr-code-container.blurred>svg{filter:blur(5px);transition:filter .3s ease}#qr-blur-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#ffffff80;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:1rem;border-radius:var(--border-radius);z-index:1}#qr-blur-overlay p{font-weight:500;color:var(--text-color);margin-bottom:1rem}#qr-blur-overlay .btn-primary{width:auto;padding:.75rem 2rem}#qr-code-container canvas,#qr-code-container svg{width:100%!important;height:100%!important;border-radius:.375rem}.download-options{background:var(--card-background);padding:1rem 1.5rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow-lg);border:1px solid var(--border-color);width:100%;max-width:384px;text-align:center}#save-qr-btn{margin-bottom:1rem}.download-options p{font-weight:500;margin-bottom:1rem}.download-buttons{display:flex;justify-content:center;gap:.5rem}.btn-download{flex-grow:1;padding:.75rem;border:1px solid var(--border-color);background-color:var(--input-background);border-radius:.375rem;font-weight:500;cursor:pointer;transition:all .2s ease-in-out}.btn-download:hover{background-color:var(--primary-color);color:#fff;border-color:transparent}#my-qrs-panel{display:flex;flex-direction:column;gap:.75rem}.saved-qr-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;border:1px solid var(--border-color);border-radius:.375rem;transition:background-color .2s}.saved-qr-item:hover{background-color:var(--input-background)}.qr-item-info{display:flex;flex-direction:column;gap:.25rem;overflow:hidden}.qr-item-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.qr-item-content{font-size:.8rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.qr-item-actions{display:flex;gap:.5rem;flex-shrink:0}.qr-item-actions button{background:none;border:none;cursor:pointer;padding:.25rem;border-radius:50%;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.qr-item-actions button:hover{background-color:var(--border-color)}.qr-item-actions svg{width:16px;height:16px;stroke:var(--text-muted)}.no-qrs-message{text-align:center;color:var(--text-muted);padding:2rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}.modal-overlay:not(.hidden){opacity:1;visibility:visible}.modal-content{background-color:var(--card-background);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow-lg);width:100%;max-width:420px;position:relative;transform:scale(.95) translateY(10px);transition:transform .3s ease,opacity .3s ease}.modal-overlay:not(.hidden) .modal-content{transform:scale(1) translateY(0)}.modal-content h3{font-size:1.5rem;margin-bottom:1rem;text-align:center;font-weight:600}.modal-description{text-align:center;color:var(--text-muted);margin-bottom:1.5rem}.modal-close-btn{position:absolute;top:.5rem;right:.75rem;background:none;border:none;font-size:2rem;color:var(--text-muted);cursor:pointer;line-height:1}.modal-footer{margin-top:1.5rem;text-align:center;font-size:.9rem;color:var(--text-muted)}.auth-switch-link{color:var(--primary-color);text-decoration:none;font-weight:500}.auth-switch-link:hover{text-decoration:underline;color:var(--primary-hover-color)}#toast-container{position:fixed;top:20px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:.5rem}.toast{background-color:var(--text-color);color:#fff;padding:1rem 1.5rem;border-radius:.375rem;box-shadow:var(--box-shadow-lg);opacity:0;transform:translate(100%);transition:all .5s cubic-bezier(.68,-.55,.27,1.55)}.toast.show{opacity:1;transform:translate(0)}.toast.success{background-color:var(--success-color)}.toast.error{background-color:var(--error-color)}.toast.info{background-color:var(--primary-color)}@media (max-width: 992px){.container{grid-template-columns:1fr;gap:2rem}.output-section{position:static;order:-1;margin-bottom:2rem}}@media (max-width: 768px){.app-header{padding:1rem}.app-header .logo h2{display:none}#app{padding:1rem}.modal-content{width:90%;padding:1.5rem}.tabs{overflow-x:auto;white-space:nowrap;-ms-overflow-style:none;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}}@media (max-width: 480px){body{font-size:15px}#user-display{max-width:100px}.auth-nav .btn{padding:.6rem 1rem;font-size:.9rem}.form-group-inline{flex-direction:column;gap:0}.form-group-inline .form-group{margin-bottom:1.25rem}.form-group-inline .form-group:last-child{margin-bottom:0}.download-buttons{flex-direction:column;gap:.75rem}}