.whstu-wrap{max-width:900px;margin:20px auto;padding:22px;border:1px solid #ddd;border-radius:12px;background:#fff}
.whstu-fields{display:flex;gap:16px;flex-wrap:wrap;margin:18px 0}
.whstu-fields label{display:flex;flex-direction:column;font-weight:600;gap:6px}
.whstu-fields input{min-width:240px;padding:10px;border:1px solid #bbb;border-radius:8px}
.whstu-liability{border:1px solid #e2e2e2;background:#fafafa;padding:14px;border-radius:8px;margin:12px 0;max-height:260px;overflow:auto}
.whstu-actions{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}
.whstu-status{margin:12px 0;padding:10px;border-radius:8px;background:#f3f3f3}
.whstu-status.ok{background:#e9f7ef}
.whstu-status.warn{background:#fff8e5}
.whstu-status.error{background:#fdeaea}
.whstu-preview img{max-width:100%;border:1px solid #ccc;background:#fff}
.whstu-fallback-canvas{width:100%;max-width:720px;height:auto;border:1px solid #222;background:#fff;touch-action:none}
.button{cursor:pointer}