:root{--text: #1f2937;--text-soft: #374151;--muted: #6b7280;--faint: #9ca3af;--border: #e5e7eb;--border-soft: #f3f4f6;--border-strong: #d1d5db;--inert-bg: #f3f4f6;--band-bg: #eef2ff;--band-border: #e0e7ff;--accent: #2563eb;--accent-bg: #eff6ff;--danger: #dc2626;--highlight: #fef9c3;--rel-color: #1d4ed8;--dir-color: #6d28d9;--diff-added-fg: #15803d;--diff-edited-fg: #b45309;--diff-removed-fg: #b91c1c;--diff-added-bg: #dcfce7;--diff-edited-bg: #fef3c7;--diff-removed-bg: #fee2e2}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text)}button{font:inherit;cursor:pointer}.ctl{border:none;background:none;padding:0 2px;font-size:11px;line-height:1.4;color:var(--muted)}.ctl-add{color:var(--accent);white-space:nowrap}.ctl-add:disabled{opacity:.4;cursor:default}.ctl-delete:hover{color:var(--danger)}.ctl-edit{color:var(--accent)}.drag-handle{cursor:grab;color:var(--faint)}.reveal-zone{position:relative}.hover-controls{visibility:hidden;position:absolute;z-index:6;display:flex;align-items:center;gap:2px;background:#fff;border:1px solid var(--border);border-radius:4px;padding:1px 3px;box-shadow:0 1px 4px #00000026}.reveal-zone:hover .hover-controls{visibility:visible}.add-row{padding:4px 8px;font-size:12px;text-align:left}.toolbar{display:flex;align-items:center;gap:8px;height:48px;padding:0 12px;border-bottom:1px solid var(--border);background:#fff;position:relative;z-index:10}.toolbar .matrix-menu-btn{font-weight:600;font-size:15px}.toolbar .spacer{flex:1}.toolbar button{border:1px solid var(--border-strong);background:#fff;border-radius:6px;padding:4px 10px;font-size:13px}.toolbar button:disabled{opacity:.4;cursor:default}.toolbar .ctl{border:none;background:none;border-radius:0;padding:0 2px;font-size:12px}.save-dot{font-size:12px;color:var(--muted)}.menu{position:relative;display:inline-flex}.popover{position:absolute;top:calc(100% + 4px);z-index:20;background:#fff;border:1px solid var(--border-strong);border-radius:8px;box-shadow:0 4px 12px #0000001f;padding:8px;min-width:220px}.popover-left{left:0}.popover-right{right:0}.popover .option-row{display:flex;align-items:center;gap:6px;padding:2px 0;font-size:13px}.popover .option-caption{font-size:11px;color:#6b7280;text-transform:uppercase;letter-spacing:.05em;padding-bottom:2px}.toast{position:fixed;bottom:16px;left:50%;transform:translate(-50%);background:var(--text);color:#fff;padding:8px 16px;border-radius:8px;font-size:13px;z-index:50}.app{display:flex;flex-direction:column;height:100vh}.house-scroll{flex:1;min-height:0;overflow:auto}.house{width:max-content;margin:0 auto;padding:16px 0 40px;background:#fff}.house-roof,.house-headers{display:flex;align-items:flex-end}.house-mid,.house-bottom{display:flex}.house-pad{flex:none}.house-headers{position:sticky;top:0;bottom:0;z-index:3;background:#fff}.needs-panel,.bottom-left{position:sticky;left:0;z-index:2;background:#fff}.house.exporting .house-headers,.house.exporting .needs-panel,.house.exporting .bottom-left{position:static}.house.exporting{margin:0}.bottom-left{display:flex;justify-content:flex-end;align-items:flex-start;background:none;pointer-events:none}.bottom-labels{width:max-content;min-width:80px;background:#fff;pointer-events:auto}.bottom-label{display:flex;align-items:center;justify-content:flex-end;padding:0 8px;font-size:12px;color:var(--text-soft);border-top:1px solid var(--border-soft)}.needs-panel .add-group-overlay{position:absolute;grid-column:1 / 2;top:100%;left:0;right:0;height:32px;display:flex;align-items:center;justify-content:center;padding:0}.assess-head{display:flex;flex-direction:column;align-items:flex-start}.assess-scale{display:flex;flex:none}.assess-scale span{text-align:center;font-size:10px;color:var(--muted);padding-bottom:2px}.cell-row{display:flex}.cell{width:36px;height:32px;flex:none;display:flex;align-items:center;justify-content:center;border:none;border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff;font-size:14px;padding:0}.cell:first-child{border-left:1px solid var(--border)}.house-headers .cell{border-top:1px solid var(--border)}.cell.inert{background:var(--inert-bg)}button.cell:hover{background:var(--accent-bg)}.rel-cell{color:var(--rel-color)}.dir-cell{color:var(--dir-color)}.num-cell{font-size:11px;color:var(--text-soft)}.vert-cell{height:auto;align-items:flex-start;padding-top:4px}.col-highlight,.row.row-highlight{background:var(--highlight)!important}.needs-panel{display:grid;grid-template-columns:minmax(24px,max-content) 1fr}.group-strip{max-width:72px;display:flex;align-items:center;justify-content:center;background:var(--band-bg);border:1px solid var(--band-border);cursor:grab}.group-strip .hover-controls{top:2px;left:2px}.strip-name{height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}.strip-name .inline-edit.vertical{white-space:normal;max-height:100%;text-align:center}.group-rows{display:flex;flex-direction:column;min-width:0}.row{display:flex;align-items:center;border-bottom:1px solid var(--border-soft)}.row .row-label{flex:1;min-width:0;font-size:clamp(9px,calc(12px - (var(--len, 0) - 40) * .15px),12px);line-height:1.25;padding-left:6px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.row .hover-controls{right:44px;top:50%;transform:translateY(-50%)}.collapsed-row{grid-column:1 / -1;background:var(--band-bg);border:1px solid var(--band-border)}.collapsed-row .ctl-collapse{font-size:12px;color:var(--text);padding:0 6px}.collapsed-row .hover-controls{right:4px}.empty-row{color:var(--muted);font-size:12px;padding-left:8px;font-style:italic}.imp-cell{width:40px;flex:none;position:relative;text-align:center}.diff-value-btn{border:1px solid transparent;background:var(--accent-bg);border-radius:4px;width:28px;height:24px;font-size:12px}.diff-value-btn.diff-added{background:var(--diff-added-bg);border-color:var(--diff-added-fg)}.diff-value-btn.diff-edited{background:var(--diff-edited-bg);border-color:var(--diff-edited-fg)}.diff-value-btn.diff-removed{background:var(--diff-removed-bg);border-color:var(--diff-removed-fg)}.imp-cell .picker{position:absolute;left:36px;top:0;z-index:15;display:flex;gap:2px;background:#fff;border:1px solid var(--border-strong);border-radius:6px;padding:4px;box-shadow:0 2px 8px #00000026}.imp-cell .picker button{width:24px;height:24px;border:1px solid var(--border);border-radius:4px;background:#fff}.char-bands{display:flex;align-items:stretch;position:relative}.char-bands .add-row{position:absolute;left:100%;top:0;width:24px;height:100%;display:flex;align-items:center;justify-content:center;padding:0;white-space:nowrap}.char-band{flex:none;min-height:24px;display:flex;align-items:center;background:var(--band-bg);border:1px solid var(--band-border);font-size:11px;padding:2px 4px;cursor:grab}.char-band .inline-edit{flex:1;min-width:0;text-align:center;white-space:normal;overflow-wrap:break-word}.char-band .hover-controls{top:2px;right:2px}.char-band .ctl-collapse{flex:1;min-width:0;padding:0;text-align:center;font-size:11px;line-height:1.2;color:var(--text);white-space:normal;overflow-wrap:break-word}.char-headers{display:flex}.char-header{width:36px;flex:none;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;border:1px solid var(--border);border-left:none;padding:4px 0}.char-header:first-child{border-left:1px solid var(--border)}.char-header .hover-controls{top:2px;left:50%;transform:translate(-50%)}.inline-edit{cursor:text}.inline-edit.empty{color:var(--faint);font-style:italic}.inline-edit.vertical{writing-mode:vertical-rl;transform:rotate(180deg);font-size:12px;max-height:100%;overflow:hidden}.char-header .inline-edit.rotated{position:absolute;left:50%;top:50%;width:calc(var(--head-h, 130px) - 8px);transform:translate(-50%,-50%) rotate(-90deg);font-size:clamp(9px,calc(12px - (var(--len, 0) - 40) * .15px),12px);line-height:1.25;text-align:center;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.char-header.diff-removed .inline-edit.rotated{text-decoration:line-through}.inline-edit-input{font-size:12px;width:100%;min-width:60px}.char-header .inline-edit-input,.vert-cell .inline-edit-input{position:absolute;z-index:15;width:120px;bottom:4px;left:0}.char-header,.vert-cell{position:relative}.roof{display:block}.roof-cell{fill:#fff;stroke:var(--border-strong);cursor:pointer}.roof-cell:hover{fill:var(--accent-bg)}.roof-cell.inert{fill:var(--inert-bg);cursor:default}.roof text{font-size:11px;fill:var(--text);pointer-events:none}.legend-popover{min-width:260px;font-size:11px;color:var(--text-soft)}.legend-sub{font-weight:600;margin:4px 0 2px;color:var(--muted)}.legend-sub:first-child{margin-top:0}.legend-cols{display:grid;grid-template-columns:repeat(2,1fr);gap:4px 16px}.assessment{display:block;border:1px solid var(--border);cursor:pointer}.who-chips{display:flex;flex-direction:column;gap:2px;padding:4px;margin-left:24px;font-size:11px}.who-chip{display:flex;align-items:center;gap:4px;border:1px solid transparent;border-radius:4px;padding:1px 6px;background:none;cursor:pointer}.who-chip.active{border-color:var(--accent);background:var(--accent-bg)}.who-chip .swatch{width:8px;height:8px;border-radius:50%}.who-chip .hover-controls{right:2px;top:50%;transform:translateY(-50%)}.who-chip-add{border:1px dashed var(--border-strong);border-radius:4px;padding:1px 6px;font-size:11px;text-align:left}.level-tabs{display:flex;gap:4px;padding:4px 12px 0;border-bottom:1px solid #e5e7eb}.level-tabs button{border:1px solid #e5e7eb;border-bottom:none;border-radius:6px 6px 0 0;background:#f9fafb;padding:6px 14px;cursor:pointer}.level-tabs button.active{background:#fff;font-weight:600}.tags-popover{min-width:240px}.tag-row{display:flex;align-items:center;gap:8px;padding:2px 0}.tag-row .tag-date{color:#9ca3af;font-size:11px;margin-left:auto}.diff-added{color:var(--diff-added-fg)}.diff-edited{color:var(--diff-edited-fg)}.diff-removed{color:var(--diff-removed-fg)}.row-label.diff-removed,.char-header.diff-removed{text-decoration:line-through}.cell.diff-added,.char-header.diff-added,.row.diff-row-added{background:var(--diff-added-bg)}.cell.diff-edited,.char-header.diff-edited,.row.diff-row-edited{background:var(--diff-edited-bg)}.cell.diff-removed,.cell.diff-cell-removed,.char-header.diff-removed,.row.diff-removed{background:var(--diff-removed-bg)}.roof-cell.diff-added{fill:var(--diff-added-bg)}.roof-cell.diff-edited{fill:var(--diff-edited-bg)}.roof-cell.diff-removed,.roof-cell.diff-cell-removed{fill:var(--diff-removed-bg)}svg .diff-point-added{stroke:var(--diff-added-fg);fill:var(--diff-added-bg)}svg .diff-point-edited{stroke:var(--diff-edited-fg);fill:var(--diff-edited-bg)}svg text.diff-added{fill:var(--diff-added-fg)}svg text.diff-edited{fill:var(--diff-edited-fg)}svg text.diff-removed{fill:var(--diff-removed-fg)}.ghost-row,.ghost-col{opacity:.75;background:#fef2f2}.ghost-rows{grid-column:2}.ghost-row .row-label{text-decoration:line-through;padding-left:6px}.vert-text{writing-mode:vertical-rl;transform:rotate(180deg);font-size:11px;padding:4px 0}svg .diff-point-removed{stroke:var(--diff-removed-fg);fill:var(--diff-removed-bg)}svg .ghost-line{stroke:var(--diff-removed-fg);fill:none;opacity:.6}svg .ghost-line polyline{stroke-dasharray:4 3}svg .ghost-line circle{fill:var(--diff-removed-bg)}.matrix-row{display:flex;align-items:center;gap:6px;padding:2px 0;font-size:13px}.matrix-row .matrix-check{width:12px;text-align:center;color:var(--muted)}.matrix-row .inline-edit,.matrix-row .inline-edit-input{flex:1;min-width:0}.matrix-row .matrix-name{flex:1;text-align:left;border:none;background:none;padding:2px 4px;font-size:13px;cursor:pointer;border-radius:4px}.matrix-row .matrix-name:hover{background:#f3f4f6}.matrix-row .matrix-del{border:none;background:none;cursor:pointer;color:var(--muted);margin-left:auto;padding:0 4px}.matrix-sep{border-top:1px solid var(--border);margin:6px 0}.matrix-new{width:100%;text-align:left;border:none;background:none;padding:2px 4px;font-size:13px;cursor:pointer;border-radius:4px}.matrix-new:hover{background:#f3f4f6}