:root{--primary:#e65c00}*{box-sizing:border-box;margin:0;padding:0;font-family:'Plus Jakarta Sans',sans-serif}body{background:#f4f4f4;color:#121212;min-height:100vh;display:flex;flex-direction:column}header{background:#1a1a1a;color:#fff;padding:20px;text-align:center}footer{margin-top:auto;padding:20px;text-align:center;font-size:.8rem;color:#666;background:#fff;border-top:1px solid #e0e0e0}header h1{font-size:24px}.cpmry{color:var(--primary)}.main-wrapper{width:90%;margin:20px auto;display:flex;gap:20px;flex-wrap:wrap;flex:1}.panel-sidebar{background:#fff;padding:20px;border-radius:12px;width:320px;height:fit-content;flex-shrink:0;line-height:1.5}main{flex:1;min-width:300px}.upload-area{border:2px dashed var(--primary);padding:30px 10px;text-align:center;border-radius:12px;cursor:pointer;margin-bottom:20px}.btn{width:100%;padding:12px;border:none;border-radius:6px;font-weight:600;cursor:pointer;margin-bottom:10px}.btn-primary{background:var(--primary);color:#fff}.btn:disabled{background:#ccc;cursor:not-allowed}.progress-container{width:100%;background:#eee;height:8px;border-radius:4px;margin-bottom:10px;display:none;overflow:hidden}#progress-bar{width:0%;height:100%;background:var(--primary);transition:0.3s}.preview-card{background:#fff;border:1px solid #ddd;padding:10px;border-radius:8px;display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}.preview-card img{width:40px;height:40px;object-fit:cover;border-radius:4px}.file-info{flex:1;font-size:.8rem;min-width:150px;overflow:hidden;text-overflow:ellipsis}.howto{margin-bottom:20px;padding:15px;background:#fdfdfd;border-left:4px solid var(--primary);border-radius:4px;font-size:.85rem;line-height:1.5}@media (max-width:768px){main{flex:unset}.main-wrapper{flex-direction:column}.panel-sidebar{width:100%}}