.form-check{margin-bottom:0.5rem}
.input-group{margin-bottom:0.75rem}
#preview{font-family:monospace;font-size:1.1rem;letter-spacing:1px}
#result{font-family:monospace;font-size:0.9rem;line-height:1.6;white-space:pre;resize:vertical}
.alert{margin-bottom:1.5rem}
.btn-group{margin-top:1rem}
.copy-tooltip{position:fixed;background:rgba(0, 0, 0, 0.8);color:white;padding:5px 10px;border-radius:4px;font-size:12px;z-index:1000}
.text-count{font-size:0.9rem;color:#6c757d;margin-top:0.25rem}
.highlight-changes{background-color:#e8f4f8;padding:0.2rem 0;border-radius:2px}
.replace-group{background:#f8f9fa;padding:1rem;border-radius:4px;margin-bottom:1rem}
.replace-group .form-control{margin-bottom:0.5rem}
.shuffle-preview{font-family:monospace;font-size:0.9rem;background:#f8f9fa;padding:1rem;border-radius:4px;margin:1rem 0;max-height:200px;overflow-y:auto}