.tool{width:min(100%, var(--content-width));padding:var(--space-lg) 0;margin-inline:auto}.tool-header{margin-bottom:var(--space-lg)}.tool-header h1{margin:0 0 .5rem}.tool-header p{margin:0}.editor-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1rem;display:grid}.editor-pane{border-radius:var(--radius);background:#fff;border:1px solid #ccc;flex-direction:column;height:520px;display:flex;overflow:hidden}.pane-header{background:#f5f5f5;border-bottom:1px solid #ccc;flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:.5rem;padding:.5rem .75rem;display:flex}.pane-title{color:#444;font-size:.9rem;font-weight:600}.tab-group{gap:.25rem;display:flex}.tab-button{font:inherit;border-radius:var(--radius);cursor:pointer;color:#666;background:0 0;border:1px solid #0000;padding:.4rem .75rem;font-size:.85rem}.tab-button.active{color:#000;background:#fff;border-color:#ccc;font-weight:600}.action-group{gap:.35rem;display:flex}.small-button{padding:.35rem .65rem;font-size:.8rem}.danger-button{color:#c62828;cursor:pointer;border-radius:var(--radius);background:#fff;border:1px solid #ef9a9a}.danger-button:hover{background:#ffebee}.pane-content{font:inherit;box-sizing:border-box;flex:1;padding:1rem;overflow-y:auto}textarea.code-input{box-sizing:border-box;resize:none;background:#fff;border:none;outline:none;flex:1;width:100%;height:100%;padding:1rem;font-family:monospace;font-size:.95rem;line-height:1.5;overflow-y:auto}.preview-content{color:#222;line-height:1.6}.preview-content h1,.preview-content h2,.preview-content h3{border-bottom:1px solid #eee;margin-top:1rem;margin-bottom:.5rem;padding-bottom:.3rem}.preview-content blockquote{color:#666;border-left:4px solid #ddd;margin:1rem 0;padding-left:1rem}.preview-content code{background:#f4f4f4;border-radius:3px;padding:.2rem .4rem;font-family:monospace;font-size:.9em}.preview-content pre code{padding:.75rem;display:block;overflow-x:auto}
