.dtp-container{max-width:540px;border:1px solid #e2e2e2;padding:16px;border-radius:8px;background:#fff}
.dtp-dropzone{display:block;padding:20px;border:2px dashed #ccc;border-radius:6px;text-align:center;cursor:pointer}
.dtp-dropzone p{margin:0}
.dtp-dragover{border-color:#0073aa;background:#f1faff}
.dtp-actions{margin-top:10px}
#dtp-convert-btn{background:#0073aa;color:#fff;border:none;padding:8px 12px;border-radius:4px;cursor:pointer}
.dtp-error{color:#cc0000}