/* A quiet filing cabinet using the four existing HELPer themes. */
.brain-layout{display:grid;grid-template-columns:minmax(190px,250px) minmax(0,1fr);gap:18px;align-items:start}
.brain-tree-panel{border:1px solid var(--kraj);border-radius:var(--r3,16px);background:var(--fon-karty);padding:12px;position:sticky;top:12px;max-height:65vh;overflow:auto}
.brain-tree-panel summary{cursor:pointer;font-weight:650;padding:6px 0;min-height:32px}
#brain-tree ul{list-style:none;padding:0;margin:4px 0}
#brain-tree ul ul{margin-left:12px;padding-left:7px;border-left:1px solid var(--kraj)}
.brain-branch{display:flex;align-items:center;min-width:0}
.brain-folder,.brain-toggle,.brain-folder-hit{font:inherit;color:var(--tekst);background:none;border:0;cursor:pointer;text-align:left;min-height:44px;border-radius:8px}
.brain-toggle,.brain-leaf{width:32px;flex:0 0 32px;text-align:center;color:var(--tekst-tikho)}
.brain-folder{display:flex;align-items:center;justify-content:space-between;gap:6px;width:100%;padding:8px;min-width:0;overflow-wrap:anywhere}
.brain-folder small{color:var(--tekst-tikho);flex-shrink:0}
.brain-folder.is-selected{background:var(--fon-pole);box-shadow:inset 3px 0 var(--akcent);font-weight:650}
.brain-folder:hover,.brain-folder-hit:hover{background:var(--fon-pole)}
.brain-folder:focus-visible,.brain-toggle:focus-visible,.brain-record:focus-visible{outline:2px solid var(--akcent);outline-offset:2px}
.brain-content{min-width:0}.brain-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:0 0 12px}
#brain-location{font-size:19px;line-height:1.4;overflow-wrap:anywhere;margin:0}
#brain-destination{overflow-wrap:anywhere;margin:4px 0 14px}
.brain-record{display:block;width:100%;color:var(--tekst);font:inherit;text-align:left;cursor:pointer;min-width:0}
.brain-record span{display:block;overflow-wrap:anywhere}
.brain-record-path,.brain-record-file{font-size:12px;color:var(--tekst-tikho);margin-bottom:6px}
.brain-folder-hit{display:block;padding:8px 12px;border:1px solid var(--kraj);margin-bottom:8px;overflow-wrap:anywhere;width:100%}
.brain-record-tools,.brain-file-actions{display:flex;gap:8px;align-items:end;flex-wrap:wrap;margin:12px 0}
.brain-record-tools label{flex:1 1 180px;min-width:0}.brain-record-tools .pole{margin-bottom:0}
.brain-preview:empty{display:none}.brain-preview{padding:10px;border:1px solid var(--kraj);border-radius:12px;margin:12px 0}
.brain-preview img,.brain-preview video{max-width:100%;max-height:65vh;object-fit:contain}
.brain-preview iframe{border:0;width:100%;height:60vh;background:var(--fon-pole)}
.brain-preview audio{width:100%}.brain-preview pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.5 monospace;max-height:60vh;overflow:auto}
#brain-more[hidden],#brain-folder-edit[hidden]{display:none}
@media(max-width:700px){.brain-layout{display:block}.brain-tree-panel{position:static;max-height:42vh;margin-bottom:14px}.brain-toolbar .knopka{flex:1 1 auto}.brain-record-tools .knopka{width:100%}}

.brain-tree-panel summary{position:sticky;top:-12px;z-index:1;background:var(--fon-karty)}
.brain-pdf-pages{display:flex;align-items:center;justify-content:space-between;gap:6px;flex-wrap:wrap;margin-bottom:10px}.brain-pdf-pages button{min-height:44px}.brain-pdf-pages [role=status]{font-size:13px;overflow-wrap:anywhere}