@charset "utf-8";#defaultQRImage,#qrCodePreview canvas{max-width:100%;height:auto;display:block}.card,.nav-tabs{overflow:hidden}.alert-info,.image-date,.loading-spinner,.nav-item,.preview-container,.size-option,.uploading-spinner{text-align:center}:root{--primary-color:#4361ee;--secondary-color:#3f37c9;--accent-color:#4cc9f0;--light-bg:#f8f9fa;--dark-text:#212529;--gray-text:#6c757d;--border-radius:12px;--box-shadow:0 8px 30px rgba(0, 0, 0, 0.08);--transition:all 0.3s ease}.qr-generator-container *{box-sizing:border-box;margin:0;padding:0}.qr-generator-container{font-family:'Segoe UI',system-ui,sans-serif;max-width:900px;margin:0 auto}.card{background:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow);transition:var(--transition)}.panel-header{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;padding:30px 25px;position:relative}.panel-header h1{font-size:28px;font-weight:700;margin:0;display:flex;align-items:center;gap:6px}.panel-header h1 i{font-size:2rem}.description{margin:15px 0 0;font-size:1rem;color:rgba(255,255,255,.85);line-height:1.6}.panel-body{padding:30px}#charCount{transition:color .3s}#qrCodePreview,.btn,.decode-link,.form-control,.image-thumbnail,.nav-link,.nav-link:after{transition:var(--transition)}.panel-body ul li{margin:0!important}.nav-tabs{display:flex;list-style:none;border:1px solid #e9ecef;background:var(--light-bg);border-radius:var(--border-radius) var(--border-radius) 0 0}.io-black-mode .nav-tabs{border:none;background:rgba(10,10,10,.4)}.nav-item{flex:1}.nav-link{padding:16px 20px;border:none!important;color:var(--gray-text);font-weight:600;font-size:16px;position:relative;background:0 0;cursor:pointer}.nav-link:after{content:'';position:absolute;bottom:0;left:50%;width:0;height:3px;background:var(--primary-color);transform:translateX(-50%)}.nav-link:hover{color:var(--primary-color);background:rgba(67,97,238,.05)}.nav-tabs .nav-link.active{color:var(--primary-color)!important}.io-black-mode .decode-link:hover,.io-black-mode .nav-tabs .nav-link.active,.io-black-mode .qr-introduction{background:#313435}.nav-link.active:after{width:100%}.tab-content{border:1px solid #e9ecef;border-radius:0 0 var(--border-radius) var(--border-radius);padding:25px;min-height:200px;background:#fff}.io-black-mode .tab-content{border:none;background:#313435}.form-label{font-weight:600;margin-bottom:10px;font-size:15px;display:block}.form-label span{font-size:13px;font-weight:500;color:#dc3545}.form-control{padding:4px 10px;border:1px solid #e2e8f0;border-radius:8px;font-size:16px;margin-bottom:10px;width:99%;background:#f8fafc}.form-control:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px rgba(76,201,240,.2);outline:0;background:#fff}textarea.form-control{min-height:120px;resize:vertical}.form-range{width:100%;height:8px;margin-bottom:25px;-webkit-appearance:none;background:#e2e8f0;border-radius:4px;outline:0}.form-range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--primary-color);cursor:pointer;transition:var(--transition);box-shadow:0 2px 6px rgba(67,97,238,.3)}.btn,input[type=color]{border:none;cursor:pointer}.form-range::-webkit-slider-thumb:hover{transform:scale(1.15)}.range-labels{display:flex;justify-content:space-between;font-size:14px;color:var(--gray-text);margin-top:-15px}.color-option,.color-picker{align-items:center;display:flex}.range-value{font-weight:600;color:var(--primary-color);font-size:15px}.color-picker{gap:15px;flex-wrap:wrap}.color-option{gap:8px}.color-label{font-size:14px;color:var(--gray-text);white-space:nowrap}input[type=color]{width:40px;height:40px;padding:2px;background:#fff}.io-black-mode .image-gallery,.io-black-mode .usage-steps li:before,.io-black-mode input[type=color]{background:#2c2e2f}input[type=color]:hover{transform:scale(1.1)}.generate-buttons{display:flex;gap:15px}.btn{width:100%;padding:14px 28px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 6px rgba(0,0,0,.05)}#downloadBtn,#generateBtn{border-radius:8px;font-weight:600}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-success{background:linear-gradient(135deg,#2ecc71,#27ae60);color:#fff}.btn-success:hover:not(:disabled){background:linear-gradient(135deg,#29b765,#219653)}#downloadBtn{box-shadow:0 4px 6px rgba(46,204,113,.2)}#downloadBtn:hover,#generateBtn:hover{color:#fff}.size-option{flex:1;min-width:100px;padding:8px 5px;border-radius:6px}.size-option.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}#generateBtn{font-size:18px;box-shadow:0 4px 15px rgba(46,204,113,.3)}.btn-lg{padding:14px 32px;font-size:18px}.preview-area{margin-top:30px;padding-top:30px;border-top:1px solid #e9ecef}.preview-area h5{font-size:18px;margin-bottom:20px;font-weight:600;display:flex;align-items:center;gap:10px}.preview-area h5:before{content:"";display:block;width:5px;height:20px;background:var(--primary-color);border-radius:10px}#qrCodePreview{display:inline-block;padding:25px;border-radius:12px;box-shadow:0 5px 15px rgba(0,0,0,.05)}#defaultQRImage{margin:0 auto}.success-message{color:#27ae60;font-weight:500;margin-top:15px;display:flex;align-items:center;justify-content:center;gap:8px}.image-gallery{background:#f8f9fa;border-radius:var(--border-radius);padding:15px;margin-bottom:20px}.gallery-title{font-size:.9rem;color:var(--gray-text);margin-bottom:15px;padding-bottom:5px;border-bottom:1px solid #eee}.image-thumbnail{position:relative;border-radius:8px;overflow:hidden;margin-bottom:15px;border:1px solid #e2e8f0}.image-thumbnail:hover{z-index:2;transform:translateY(-3px);box-shadow:0 5px 15px rgba(0,0,0,.1)}.image-thumbnail img{width:100%;height:120px;object-fit:cover}.image-actions{position:absolute;top:5px;right:5px;display:flex;gap:5px}.image-actions .btn{width:28px;height:28px;padding:0;display:flex;align-items:center;justify-content:center;opacity:.8}.image-actions .btn:hover{opacity:1}.image-date{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.6);color:#fff;font-size:.7rem;padding:3px 5px}.current-image{display:flex;align-items:center;gap:15px;padding:10px;background:#f8f9fa;border-radius:var(--border-radius)}.current-image img{width:80px;height:80px;object-fit:cover;border-radius:5px}.current-image-info{flex:1}.decode-link,.vcard-header{align-items:center;display:flex}.clear-image{margin-top:5px}.decode-link{position:absolute;top:16px;right:16px;justify-content:center}.decode-link:hover{color:#28a745}.io-black-mode .decode-link{background:rgba(49,52,53,.9);color:var(--accent-color)}.image-gallery-loading,.uploading-container{display:flex;justify-content:center;align-items:center;min-height:200px}.spinner-circle{width:50px;height:50px;margin:0 auto 15px;border:5px solid rgba(0,0,0,.1);border-radius:50%;border-top-color:#4361ee;animation:1s linear infinite spin}.spinner-text{color:#666;font-size:14px}@keyframes spin{to{transform:rotate(360deg)}}.image-gallery-grid{max-height:270px;overflow-y:auto;padding:10px;margin-bottom:20px}.image-thumbnail.deleting{opacity:.5;pointer-events:none}.alert-info{background-color:#f0f9ff;border-color:#b6e0fe;color:#0c5460;padding:10px 0}.alert i.bi{margin-right:8px;font-size:1.1em}#loadMoreImages:hover{transform:translateY(-2px);box-shadow:0 2px 8px rgba(67,97,238,.2)}.text-muted{color:#6c757d;font-size:.9em;padding:10px 0}.card-form{padding:20px}.card-preview{background:#fff;border-radius:16px;box-shadow:0 6px 20px rgba(0,0,0,.08);overflow:hidden;margin-top:25px}.vcard{font-family:'Segoe UI','Helvetica Neue',sans-serif}.vcard-header{padding:25px 25px 15px;background:linear-gradient(135deg,#4361ee,#3a0ca3);color:#fff}.avatar-placeholder{width:70px;height:70px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;margin-right:20px;border:2px solid rgba(255,255,255,.3)}.avatar-placeholder:before{color:#ccc;font-size:2rem}.vcard-title h4{font-size:1.5rem;font-weight:700;margin:0;line-height:1.3}.vcard-title p{color:#fff;font-size:.95rem;opacity:.9;margin:5px 0 0}.qr-introduction h5,.vcard-row{margin-bottom:15px;display:flex}.vcard-body{padding:20px 35px}.vcard-row{align-items:flex-start;font-size:.95rem}.vcard-row .io-icon{margin-top:2px;margin-right:5px}.vcard-row span{line-height:1.5;color:#4a5568}.qr-introduction{margin-top:30px;padding:25px;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.qr-introduction .intro-item{display:none}.qr-introduction .intro-item.active{display:block}.qr-introduction h5{font-size:1.1rem;color:#4a90e2;padding-bottom:8px;border-bottom:1px dashed #e0e0e0;align-items:center}.qr-introduction h5 i{font-size:1.2rem}.qr-introduction p{color:#6c757d;line-height:1.6;font-size:.9rem}.qr-introduction ul{padding-left:20px;margin:15px 0}.qr-introduction li{margin-bottom:8px}.text-success{color:#28a745;font-weight:500}.usage-steps{counter-reset:step-counter;list-style-type:none;padding-left:5px;margin:0}.usage-steps li{position:relative;padding-left:28px;margin-bottom:12px!important;line-height:1.5;color:#555;counter-increment:step-counter}.usage-steps li:before{content:counter(step-counter);position:absolute;left:0;top:0;width:20px;height:20px;background-color:#f0f7ff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;color:#4a90e2}.io-black-mode .usage-steps li{color:#6c757d}@media (max-width:768px){.panel-body,.preview-container,.qr-introduction{padding:20px}.control-options .row,.nav-tabs{flex-direction:column}.d-flex.justify-content-between{flex-direction:column;gap:20px}.color-picker{flex-direction:column;align-items:flex-start}.generate-buttons{width:100%;flex-direction:column}.btn{width:100%}}