.song-editor-workspace{flex:1;align-items:stretch;gap:0;min-height:0;display:flex}.song-editor-workspace--help-open{gap:var(--songs-stack-spacing)}.song-editor-main{flex-direction:column;flex:1;min-width:0;min-height:0;display:flex}.help-toggle-btn{appearance:none;background:var(--color-surface);border:1px solid var(--color-border);color:var(--text-secondary);cursor:pointer;min-width:36px;min-height:32px;transition:var(--transition-fast);border-radius:8px;justify-content:center;align-items:center;gap:.25rem;padding:.375rem .5rem;display:flex}.help-toggle-btn:hover{background:var(--color-surface-hover);color:var(--text-primary)}.help-toggle-btn[aria-pressed=true]{background:var(--color-surface-hover);border-color:var(--accent-primary);color:var(--text-primary)}.chord-pro-help-sidebar{background:var(--surface-1);opacity:0;width:0;min-width:0;height:100%;max-height:none;box-shadow:none;pointer-events:none;border:1px solid #0000;border-radius:8px;flex-shrink:0;padding:0;transition:width .18s,padding .18s,opacity .14s,transform .18s,border-color .18s,box-shadow .18s;display:block;position:relative;overflow:hidden;transform:translate(12px)}.chord-pro-help-sidebar--open{opacity:1;border-color:var(--color-border);width:280px;min-width:240px;box-shadow:var(--shadow-md);pointer-events:auto;padding:1rem;overflow-y:auto;transform:translate(0)}.chord-pro-help-close{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;width:2rem;height:2rem;font-size:1.25rem;transition:background-color .15s,color .15s;display:flex;position:absolute;top:.5rem;right:.5rem}.chord-pro-help-close:hover{background:var(--surface-3);color:var(--text-primary)}.chord-pro-help-quick-ref{border-bottom:1px solid var(--color-border);margin-bottom:.75rem;padding-bottom:.75rem}.chord-pro-help-quick-ref h3{color:var(--text-primary);margin:0 0 .5rem;font-size:.95rem}.chord-pro-help-quick-ref ul{margin:0;padding-left:1.25rem;list-style:outside}.chord-pro-help-quick-ref li{color:var(--text-secondary);margin-bottom:.25rem;font-size:.875rem;line-height:1.5}.chord-pro-help-quick-ref strong{color:var(--text-primary)}.chord-pro-help-details{margin-top:.5rem}.chord-pro-help-details h4{color:var(--text-primary);margin:.75rem 0 .5rem;font-size:.85rem}.chord-pro-help-details ul{margin:0 0 .5rem;padding-left:1.25rem;list-style:outside}.chord-pro-help-details li{color:var(--text-secondary);font-size:.875rem;line-height:1.5}.chord-pro-help-details code{background:var(--surface-2);font-family:var(--font-mono);color:var(--color-primary);border-radius:3px;padding:.125rem .25rem;font-size:.8125rem}.chord-pro-help-example{background:var(--surface-2);border:1px solid var(--color-border);font-family:var(--font-mono);color:var(--text-secondary);white-space:pre-wrap;word-break:break-word;border-radius:4px;margin:.5rem 0 0;padding:.75rem;font-size:.8125rem;line-height:1.6;overflow-x:auto}@media (max-width:900px){.chord-pro-help-sidebar{display:none!important}}