body{background:#f5f7fa;margin:0;font-family:Arial,Helvetica,sans-serif}textarea{resize:vertical}.form-control,.form-select{border-radius:8px}.card{border:0;border-radius:14px}.btn{border-radius:8px}.output-box{white-space:pre-wrap;min-height:500px;font-family:Arial,Helvetica,sans-serif;line-height:1.8}.preview-box{white-space:pre-wrap;background:#fff;border:1px solid #dee2e6;border-radius:10px;padding:20px;line-height:1.8}.small-muted{color:#6c757d;font-size:13px}.operator-badge{border-radius:20px;padding:5px 9px;font-size:12px}.top-controls{flex-wrap:nowrap;align-items:end;gap:12px;display:flex}.price-control{align-items:center;gap:10px;display:flex}.price-control .form-label{white-space:nowrap}.price-input{width:180px}.control-buttons{gap:8px;display:flex}@media (width<=575.98px){.top-controls{flex-direction:column;align-items:stretch;gap:10px;display:flex}.price-control{align-items:center;width:100%;display:flex}.price-input{flex:1;width:auto}.control-buttons{width:100%}.control-buttons .btn{flex:1}}