.heading{text-align:center;margin-bottom:20px;color:#000;}.drop-zone{border:2px dashed #6f6f6f;padding:30px;cursor:pointer;border-radius:10px;transition:background 0.3s;background:#efefef;margin-bottom:15px;}.drop-zone:hover{background:#f0f8ff;}.drop-zone--active{border-color:#28a745;background-color:#e8f5e9;}.dropdown{position:relative;width:100%;margin-bottom:20px;}.dropdown__button{width:100%;background-color:#f0f0f0;color:#575050;border:none;border-radius:5px;cursor:pointer;font-size:16px;font-weight:400;transition:background-color 0.3s ease,box-shadow 0.3s ease;display:flex;justify-content:space-between;align-items:center;}.dropdown__button:hover{background-color:#d7d7d7;}.dropdown__button:focus{outline:none;}.dropdown__content{display:none;position:absolute;width:100%;background-color:white;border:1px solid #ccc;border-radius:5px;box-shadow:0 4px 15px rgba(0,0,0,0.2);z-index:1;animation:fadeIn 0.3s ease;overflow:hidden;}.dropdown__content--show{display:block;}.dropdown__item{padding:12px 20px;cursor:pointer;color:#333;text-align:left;font-size:15px;}.dropdown__item:hover{background-color:#f1f1f1;}.convert-button{display:block;width:50%;margin:auto;padding:10px;background-color:#2c3e50;color:white;border:none;border-radius:5px;cursor:pointer;}.convert-button:disabled{cursor:not-allowed;}.convert-button:hover:not(:disabled){background-color:#ff4757;}.download-all-button{width:100%;display:block;margin:20px auto 0;background-color:#0669FF;color:white;border:none;border-radius:5px;cursor:pointer;font-size:16px;}.download-all-button:hover{background-color:#ff4949;}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:15px;margin:20px auto;width:100%;}.image-card{background:#3a3a4a;border-radius:10px;overflow:hidden;box-shadow:0px 4px 8px rgba(255,255,255,0.1);padding-top:10px;}.image-card img{width:100%;height:150px;object-fit:contain;border-radius:10px 10px 0 0;}.image-card .download-button{display:block;width:100%;background:#ff4757;color:white;padding:10px 10px 10px 0;text-align:center;text-decoration:none;font-weight:bold;transition:background-color 0.3s ease;}.image-card .download-button:hover{background:#ff4949;}.message{text-align:center;margin:10px 0;font-size:16px;padding:10px;border-radius:5px;display:none;}.message--success .message--upload{color:#000;}.image-card__download-button{display:block;width:100%!important;background:#0669FF;color:white!important;padding:10px 10px 10px 0!important;text-align:center!important;text-decoration:none!important;font-weight:bold!important;transition:background-color 0.3s ease!important;cursor:pointer;}.image-card__download-button:hover{background:#28a745!important;}.message{display:block;}@media(max-width:768px){.image-grid{grid-template-columns:repeat(2,1fr);}}