body{font-family:Arial,sans-serif;background-color:#f4f4f4;margin:0;padding:0;color:#000000}.header-title{max-width:900px;margin:30px auto 10px auto;text-align:center}.upload-container{display:flex;max-width:900px;margin:0 auto 30px auto;justify-content:center;padding:0 10px}.upload-card{flex:1;max-width:600px;background:white;border:1px solid #ccc;border-radius:8px;overflow:hidden;box-shadow:0 4px 10px rgba(0,0,0,.05)}.upload-card-header{background:linear-gradient(to bottom,#0076f7,#0055d4);color:white;padding:10px 15px;font-weight:bold}.upload-card-body{padding:20px}.form-group{margin-bottom:20px;display:flex;flex-direction:column}.form-group label{font-weight:bold;font-size:14px;margin-bottom:6px;color:#333}.form-group select,.form-group input[type="text"],.form-group textarea{padding:8px 10px;border:1px solid #ccc;border-radius:4px;font-family:Arial,sans-serif;font-size:14px;outline:none}.form-group select:focus,.form-group input[type="text"]:focus,.form-group textarea:focus{border-color:#0076f7}.form-group input[type="file"]{font-size:13px;color:#555}.file-hint{font-size:11px;color:#cc0000;margin-top:4px;font-weight:bold}.preview-area{margin-bottom:20px;padding:20px;border:2px dashed #ccc;border-radius:8px;text-align:center;background-color:#fff;min-height:80px;display:flex;justify-content:center;align-items:center}#decal-preview{image-rendering:pixelated;border:1px solid #ddd;box-shadow:0 2px 5px rgba(0,0,0,.1);width:100px;height:100px}.error-message{background-color:#fce8e6;border:1px solid #f5c6cb;color:#cc0000;padding:10px;border-radius:4px;font-size:13px;margin-bottom:15px;text-align:center;font-weight:bold;min-height:15px}.action-buttons{display:flex;gap:10px}.upload-btn,.cancel-btn{flex:1;padding:10px 20px;font-weight:bold;font-size:14px;border-radius:4px;cursor:pointer;border:none;transition:opacity .2s}.upload-btn{background:linear-gradient(to bottom,#0076f7,#0055d4);color:white;border:1px solid #0055d4}.upload-btn:hover:not(:disabled){background:#0055d4}.upload-btn:disabled{background:#cccccc!important;border-color:#999999;cursor:not-allowed;color:#666666}.cancel-btn{background:#e0e0e0;color:#333;border:1px solid #ccc}.cancel-btn:hover{background:#d4d4d4}