.oH3otG_diff-checker-container{max-width:1400px;color:var(--text-primary);box-sizing:border-box;margin:0 auto;padding:2rem}.oH3otG_tool-icon{width:48px;height:48px;color:var(--accent-text);margin-bottom:1rem}.oH3otG_controls{background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:2rem;padding:1rem;display:flex}.oH3otG_mode-selector{background:var(--bg-tertiary);border-radius:var(--radius-md);gap:.5rem;padding:.25rem;display:flex}.oH3otG_mode-btn{color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;padding:.5rem 1.5rem;font-weight:500}.oH3otG_mode-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.oH3otG_mode-btn.oH3otG_active{background:var(--primary-color);color:var(--on-primary)}.oH3otG_action-buttons{gap:.5rem;display:flex}.oH3otG_icon-btn{border:1px solid var(--border-color);background:var(--bg-tertiary);width:40px;height:40px;color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-fast);justify-content:center;align-items:center;display:flex}.oH3otG_icon-btn:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary);transform:translateY(-1px)}.oH3otG_icon-btn:disabled{opacity:.5;cursor:not-allowed}.oH3otG_input-section{grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:2rem;display:grid}.oH3otG_input-group{flex-direction:column;gap:.5rem;display:flex}.oH3otG_input-group label{color:var(--text-primary);font-size:1rem;font-weight:600}.oH3otG_textarea{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);width:100%;min-height:300px;color:var(--text-primary);resize:vertical;padding:1rem;font-family:Courier New,monospace;font-size:.9rem;line-height:1.6;transition:border-color .2s}.oH3otG_textarea:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(var(--primary-rgb), .1);outline:none}.oH3otG_char-count{color:var(--text-secondary);text-align:right;font-size:.85rem}.oH3otG_stats-section{background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);justify-content:center;gap:1.5rem;margin-bottom:2rem;padding:1.5rem;display:flex}.oH3otG_stat{flex-direction:column;align-items:center;gap:.5rem;display:flex}.oH3otG_stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:.85rem}.oH3otG_stat-value{color:var(--text-primary);font-size:1.5rem;font-weight:700}.oH3otG_stat-value.oH3otG_added{color:var(--status-success)}.oH3otG_stat-value.oH3otG_removed{color:var(--status-error)}.oH3otG_result-section{background:var(--bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);padding:1.5rem}.oH3otG_result-section h3{color:var(--text-primary);margin-top:0;margin-bottom:1rem}.oH3otG_diff-output{background:var(--bg-tertiary);border-radius:var(--radius-sm);white-space:pre-wrap;word-break:break-word;max-height:600px;padding:1rem;font-family:Courier New,monospace;font-size:.9rem;line-height:1.8;overflow-y:auto}.oH3otG_diff-output>div{border-radius:4px;margin:2px 0;padding:.25rem .5rem;display:flex}.oH3otG_prefix{flex-shrink:0;width:20px;font-weight:700;display:inline-block}.oH3otG_content{flex:1}.oH3otG_added{color:var(--status-success);background:#22c55e26}.oH3otG_removed{color:var(--status-error);background:#ef444426;text-decoration:line-through}.oH3otG_unchanged{color:var(--text-secondary)}.oH3otG_empty-state{color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:4rem 2rem;display:flex}.oH3otG_empty-state svg{opacity:.5}@media (max-width:968px){.oH3otG_input-section{grid-template-columns:1fr}.oH3otG_controls{flex-direction:column;gap:1rem}.oH3otG_stats-section{flex-wrap:wrap;gap:1rem}.oH3otG_stat{flex:1;min-width:120px}}@media (max-width:640px){.oH3otG_diff-checker-container{padding:1rem}.oH3otG_header h1{font-size:2rem}.oH3otG_mode-selector{width:100%}.oH3otG_mode-btn{flex:1;padding:.5rem .75rem;font-size:.85rem}.oH3otG_textarea{min-height:200px;font-size:.85rem}}