.wrapper-container {
           width: 100%;
           max-width: 1000px;
           background: white;
           border-radius: 16px;
           box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
           padding: 30px;
           margin-bottom: 30px;
     }

     h1 {
           margin-bottom: 20px;
           color: #2c3e50;
           font-weight: 600;
     }

     .description {
           text-align: center;
           margin-bottom: 30px;
           color: #7f8c8d;
           line-height: 1.6;
           font-size: 1.1rem;
     }

     .app-container {
           display: flex;
           flex-wrap: wrap;
           gap: 30px;
     }

     .upload-section {
           flex: 1;
           min-width: 300px;
     }

     .results-section {
           flex: 1;
           min-width: 300px;
     }

     .upload-area {
           border: 3px dashed #3498db;
           border-radius: 12px;
           padding: 75px 20px;
           text-align: center;
           margin-bottom: 25px;
           transition: all 0.3s;
           background-color: #f8fafc;
     }

     .upload-area:hover, .upload-area.dragover {
           background-color: #e1f0fa;
           border-color: #2980b9;
     }

     .upload-icon {
           font-size: 50px;
           color: #3498db;
           margin-bottom: 15px;
     }

     .upload-text {
           margin-bottom: 20px;
           font-size: 18px;
     }

     /* .btn {
           background: linear-gradient(to right, #3498db, #2980b9);
           color: white;
           border: none;
           padding: 12px 24px;
           border-radius: 50px;
           cursor: pointer;
           font-size: 16px;
           font-weight: 600;
           transition: all 0.3s;
           display: inline-block;
           box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
     }

     .btn:hover {
           transform: translateY(-2px);
           box-shadow: 0 7px 20px rgba(52, 152, 219, 0.4);
     }

     .btn:active {
           transform: translateY(0);
     } */

     .btn-optimize {
           background: linear-gradient(to right, #2ecc71, #27ae60);
           width: 100%;
           margin-top: 20px;
           padding: 15px;
           box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
     }

     .btn-optimize:hover {
           box-shadow: 0 7px 20px rgba(46, 204, 113, 0.4);
     }

     .btn-optimize:disabled {
           background: #95a5a6;
           cursor: not-allowed;
           transform: none;
           box-shadow: none;
     }

     .btn-download {
           background: linear-gradient(to right, #9b59b6, #8e44ad);
           width: 100%;
           margin-top: 20px;
           padding: 15px;
           box-shadow: 0 4px 15px rgba(155, 89, 182, 0.3);
     }

     .btn-download:hover {
           box-shadow: 0 7px 20px rgba(155, 89, 182, 0.4);
     }

     .file-input {
           display: none;
     }

     .preview-container {
           display: flex;
           flex-wrap: wrap;
           gap: 20px;
           margin-bottom: 25px;
     }

     .preview-card {
           flex: 1;
           min-width: 250px;
           border-radius: 12px;
           overflow: hidden;
           box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
     }

     .preview-header {
           background: #f8fafc;
           padding: 15px;
           text-align: center;
           font-weight: 600;
           color: #2c3e50;
           border-bottom: 1px solid #eee;
     }

     .preview-content {
           padding: 15px;
           text-align: center;
           background: white;
     }

     .preview-img {
           max-width: 100%;
           max-height: 200px;
           border-radius: 8px;
           margin-bottom: 10px;
     }

     .file-info {
           font-size: 14px;
           color: #7f8c8d;
           margin-top: 10px;
     }

     .options {
           margin: 20px 0;
           padding: 20px;
           background-color: #f8fafc;
           border-radius: 12px;
     }

     .option-title {
           font-weight: 600;
           margin-bottom: 15px;
           color: #2c3e50;
           font-size: 1.2rem;
     }

     .option-group {
           display: flex;
           flex-wrap: wrap;
           gap: 15px;
     }

     .option-item {
           flex: 1;
           min-width: 200px;
     }

     label {
           display: block;
           margin-bottom: 8px;
           color: #34495e;
           font-weight: 500;
     }

     select, input[type="range"], input[type="number"] {
           width: 100%;
           padding: 5px 15px;
           border: 1px solid #ddd;
           border-radius: 8px;
           font-size: 14px;
           background-color: white;
     }

     input[type="range"] {
           padding: 0;
           height: 10px;
     }

     input[type="number"] {
           -moz-appearance: textfield;
     }

     input[type="number"]::-webkit-outer-spin-button,
     input[type="number"]::-webkit-inner-spin-button {
           -webkit-appearance: none;
           margin: 0;
     }

     .slider-value {
           text-align: center;
           font-weight: 600;
           color: #3498db;
           margin-top: 5px;
     }

     .dimension-inputs {
           /* display: flex; */
           gap: 10px;
           align-items: center;
     }

     .dimension-inputs .option-item {
           flex: 1;
     }

     .aspect-ratio {
           display: flex;
           align-items: center;
           justify-content: center;
           margin-top: 10px;
     }

     .aspect-toggle {
           background: #3498db;
           color: white;
           border: none;
           border-radius: 50%;
           width: 30px;
           height: 30px;
           display: flex;
           align-items: center;
           justify-content: center;
           cursor: pointer;
           font-size: 14px;
           margin-left: 10px;
     }

     .aspect-toggle.linked {
           background: #2ecc71;
     }

     .comparison {
           display: flex;
           justify-content: space-between;
           margin-top: 10px;
           font-size: 14px;
     }

     .savings {
           text-align: center;
           margin: 20px 0;
           padding: 15px;
           border-radius: 8px;
           font-weight: 600;
           font-size: 1.2rem;
           background-color: rgba(46, 204, 113, 0.1);
           color: #27ae60;
     }

     .status {
           text-align: center;
           margin: 20px 0;
           padding: 15px;
           border-radius: 8px;
           font-weight: 500;
     }

     .status.success {
           background-color: rgba(46, 204, 113, 0.2);
           color: #27ae60;
     }

     .status.error {
           background-color: rgba(231, 76, 60, 0.2);
           color: #c0392b;
     }

     .hidden {
           display: none;
     }

     @media (max-width: 768px) {
           .app-container {
                 flex-direction: column;
           }

           .container {
                 padding: 20px;
           }

           .upload-area {
                 padding: 30px 15px;
           }

           .dimension-inputs {
                 flex-direction: column;
                 gap: 10px;
           }
     }