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rgba(0,0,0,.1)}.mt-tool{display:none}.mt-tool.active{display:block;animation:fadeIn .3s ease-in}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}#whois h2,#whois-result,#ip-lookup h2,#ip-result{margin-top:30px}.mt-tool h2{margin-top:0;color:#333;border-top:3px solid #0b7ef1;border-radius:8px;padding:25px 0}.mt-form-group{margin-bottom:20px}.mt-form-group label,.al-msg label{display:block;margin-bottom:8px;font-weight:600;color:#555}.mt-form-group small{display:block;margin-top:5px;color:#999;font-size:.9em}.mt-input{padding:0 12px !important}input#qr-image-upload{padding:12px !important}.mt-input,.mt-textarea{width:100%;padding:12px;border:2px solid #e0e0e0;border-radius:6px !important;font-size:15px;transition:border-color .3s;box-sizing:border-box}.mt-input:focus,.mt-textarea:focus{outline:none;border-color:#add6ff}.mt-textarea{resize:vertical;min-height:240px;font-family:monospace}.mt-button{padding:12px 30px;font-size:16px;border:none;border-radius:6px;cursor:pointer;transition:all .3s;font-weight:600}.mt-button-primary{background:linear-gradient(to bottom,#03aff6 0%,#037fb9 100%);color:#fff;width:100%}.mt-button-primary:hover{transform:translateY(-2px)}.button-delete-red{background:linear-gradient(to bottom,#ff1f1f 0%,#970000 100%)}.button-delete-red:hover{transform:translateY(-2px)}.mt-button-success{background:linear-gradient(to bottom,#03aff6 0%,#037fb9 100%);color:#fff}.mt-button-success:hover{transform:translateY(-2px)}.mt-button-danger{background:#f56565;color:#fff}.mt-button-danger:hover{background:#e53e3e}.mt-button:disabled{opacity:.6;cursor:not-allowed}.mt-result h3{margin-top:0;color:#333}.mt-result-box{display:flex;gap:10px;align-items:center}.mt-result-box .mt-input{flex:1}#qr-code-display{display:flex;justify-content:center}#qr-code-display,#vietqr-display{text-align:center;padding:20px;background:#fff;border-radius:8px;margin:20px 0}#qr-code-display canvas,#vietqr-display canvas{max-width:100%;height:auto;border:1px solid #e0e0e0;border-radius:4px}.mt-tabs{display:flex;gap:10px;margin-bottom:20px;border-bottom:2px solid #e0e0e0}.mt-tab-btn{width:50%;padding:12px 24px;background:0 0;border:none;border-bottom:3px solid transparent;cursor:pointer;font-size:15px;font-weight:600;color:#666;transition:all .3s}.mt-tab-btn.active{color:#0ba9f7;border-bottom-color:#0ba9f7}.mt-tab-btn:hover{color:#0ba9f7}.mt-tab-pane{display:none}.mt-tab-pane.active{display:block}#qr-reader{border-radius:8px;overflow:hidden}#qr-reader video{width:100%;height:auto}#qr-scan-result .mt-button-success{margin-top:20px}.mt-info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px;margin-top:15px}.mt-info-item{padding:15px;background:#fff;border-radius:6px;border-left:3px solid #ff5a5a}.mt-info-item strong{display:block;margin-bottom:5px;color:#555;font-size:.9em}.mt-info-item span{color:#333;font-size:1em}.mt-info-section{margin-top:25px}.mt-info-section h4{margin-bottom:10px;color:#000;font-size:1.1em}.mt-ip-address{text-align:center;margin:20px 0}.mt-ip-address h4{color:#555;margin-bottom:10px}.mt-ip-value{font-size:2em;font-weight:700;color:#2096ff;padding:15px;border-radius:8px;display:inline-block;min-width:200px}.bg-none{border:none;background:0 0}.mt-loading{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .8s linear infinite;vertical-align:middle;margin-right:5px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}.mt-alert{padding:15px;border-radius:6px;margin-bottom:20px}.mt-alert-success{background:#c6f6d5;color:#22543d;border-left:4px solid #48bb78}.mt-alert-error{background:#fed7d7;color:#742a2a;border-left:4px solid #f56565}.mt-alert-info{background:#bee3f8;color:#2c5282;border-left:4px solid #4299e1}@media (max-width:768px){.multi-tools-container{padding:10px}.mt-header h1{font-size:1.8em}.mt-header p{font-size:1em}.mt-tools-content{padding:20px}.mt-result-box{flex-direction:column}.mt-result-box .mt-button{width:100%}.mt-info-grid{grid-template-columns:1fr}.mt-ip-value{font-size:1.5em;min-width:auto}}@media print{.mt-button,.mt-tools-selector,.mt-tabs{display:none}}.mt-warning-box{background:#fff3cd;border:2px solid #ffc107;color:#856404;padding:20px;border-radius:12px;margin-bottom:20px}.mt-warning-box strong{display:block;margin-bottom:10px;font-size:16px}.mt-warning-box a{color:#10b981;text-decoration:underline}.mt-description{font-size:12px;color:#999;margin-top:5px}.service-option{display:flex;align-items:center;gap:10px;padding:5px 0}.service-logo,.service-logo-small{width:32px;height:32px;object-fit:contain;padding:2px}.service-name{font-size:14px;color:#333;font-weight:500}.service-selection{display:flex;align-items:center;gap:8px}.al-error{background:#f8d7da;border:2px solid #f5c6cb;color:#721c24}.al-warning-msg{background:#fff3cd;border:2px solid #ffc107;color:#856404}.al-result-box{margin-bottom:21px}.al-result-box strong{display:block;margin-bottom:6px}.al-result-box code{display:block;padding:6px 12px !important}.al-support{margin-top:15px;padding:15px;background:#fff;border-radius:8px;border-left:4px solid #ffc107}.al-support strong{display:block;margin-bottom:8px}@keyframes alSlideIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.service-logo-icon{width:24px;height:24px;object-fit:contain;margin-right:8px;vertical-align:middle;border-radius:4px;display:inline-block}.select2-container--default .select2-selection--single{border:1px solid #ddd !important;border-radius:8px 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.3s}.mt-dropdown-selected:hover{border-color:#b3e5fc}.mt-dropdown-selected.active{border-color:#0bb6f7}.mt-dropdown-options{display:none;position:absolute;top:100%;left:0;right:0;background-color:#fff;border:1px solid #e0e0e0;border-radius:6px;margin-top:5px;max-height:300px;overflow-y:auto;z-index:1000;box-shadow:0 4px 12px rgba(0,0,0,.1)}.mt-dropdown-options.show{display:block;animation:fadeIn .2s ease-out}.mt-option-item{padding:10px 12px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:background-color .2s;border-bottom:1px solid #f5f5f5}.mt-option-item:last-child{border-bottom:none}.mt-option-item:hover{background-color:#f0f9ff}.mt-option-logo{width:24px;height:24px;object-fit:contain;border-radius:4px}.mt-option-text{font-size:15px;color:#333}.mt-arrow-down{font-size:12px;color:#666;transition:transform .3s}.mt-dropdown-selected.active .mt-arrow-down{transform:rotate(180deg)}.mt-selected-item-view{display:flex;align-items:center;gap:10px}