.bg-tool{max-width:980px;padding:28px;background:#fff;border:1px solid #dce1e6;border-radius:16px;box-shadow:0 10px 28px rgba(27,34,44,.04)}
.bg-tool form{display:grid;gap:18px}
.bg-tool label{font-weight:800;color:#1b222c}
.bg-tool input[type=file]{display:block;width:100%;margin-top:8px;padding:16px;border:2px dashed #b8c2cb;border-radius:12px;background:#f8fafb;color:#1b222c}
.bg-tool button,.bg-download{display:inline-flex;justify-content:center;align-items:center;min-height:50px;padding:12px 18px;border:0;border-radius:8px;background:#1b222c;color:#fff!important;font-weight:800;text-decoration:none;cursor:pointer}
.bg-tool button:hover,.bg-download:hover{background:#36424e}
.bg-tool button:disabled{opacity:.55;cursor:wait}
.bg-status{min-height:25px;margin:0;color:#4d5864}.bg-status.bg-error{color:#a9212b}
.bg-preview{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px}
.bg-preview[hidden],.bg-download[hidden]{display:none}
.bg-preview figure{margin:0;min-width:0;padding:14px;border:1px solid #dce1e6;border-radius:12px;background:#f8fafb}
.bg-preview figcaption{margin-bottom:10px;color:#1b222c;font-weight:800}
.bg-preview img{display:block;width:100%;height:300px;object-fit:contain;border-radius:6px;background:linear-gradient(45deg,#eceff1 25%,transparent 25%),linear-gradient(-45deg,#eceff1 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eceff1 75%),linear-gradient(-45deg,transparent 75%,#eceff1 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}
.bg-download{margin-top:18px}
@media(max-width:700px){.bg-tool{padding:18px}.bg-preview{grid-template-columns:1fr}.bg-preview img{height:240px}}