:root{--text: #222;--muted: #666;--border: #c8c8c8;--empty: #f3f3f3;--select: #e8175d;--focus: #1a73e8;font-family:Montserrat,Helvetica Neue,Arial,sans-serif;font-size:12px;color:var(--text)}html,body,#app{height:100%;margin:0;background:#fff}.app{height:100%;box-sizing:border-box;padding:6px 8px;display:flex;flex-direction:column;gap:6px}.app.drag-over{outline:3px dashed var(--focus);outline-offset:-3px}.muted{color:var(--muted)}button,select,input{font:inherit}.source-bar,.settings,.range-bar{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px}.examples{margin-left:auto;color:var(--muted)}.setting-label{color:var(--muted)}.notice{padding:6px 8px;border-radius:4px;background:#fff8e1;border:1px solid #f0d58c}.notice.problem{background:#fdecea;border-color:#f5b5ae}.drop-zone{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;border:2px dashed var(--border);border-radius:8px;padding:16px;color:var(--muted)}.drag-over .drop-zone{border-color:var(--focus);background:#eef4fd}.drop-title{font-size:16px;font-weight:600;color:var(--text)}.main{flex:1;min-height:0;display:flex;gap:10px}.grid-wrapper{flex:1;min-width:0;min-height:0;display:grid;grid-template-columns:14px 1fr;grid-template-rows:auto 14px 1fr}.axis-menus{grid-column:1 / span 2;display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;margin-bottom:4px;color:var(--muted)}.axis-menus .swap{padding:0 6px}.axis-title{color:var(--muted);font-size:11px}.axis-title-x{grid-column:2;grid-row:2;text-align:center}.axis-title-y{grid-column:1;grid-row:3;writing-mode:vertical-rl;transform:rotate(180deg);text-align:center}.heat-grid{grid-column:2;grid-row:3;min-height:0;overflow:auto;display:grid;gap:1px}.heat-grid.dense{gap:0}.heat-grid{user-select:none;-webkit-user-select:none;touch-action:none}.cell.painting{outline:2px solid var(--focus);outline-offset:-2px;z-index:1}.heat-grid.dense .sel-mark{display:none}.heat-grid.dense .col-label{writing-mode:vertical-rl;transform:rotate(180deg);text-align:left}.col-label{text-align:center;font-size:11px;white-space:nowrap;overflow:visible}.row-label{text-align:right;padding-right:3px;font-size:10px;line-height:1;align-self:center;color:var(--muted)}.cell{position:relative;border:0;padding:0;margin:0;min-height:3px;min-width:3px;cursor:pointer;background:#ddd;border-radius:1px}.cell.empty{background:var(--empty);cursor:default}.cell.no-values{background:repeating-linear-gradient(45deg,#fff 0 3px,#bbb 3px 4px)}.cell:focus-visible{outline:2px solid var(--focus);outline-offset:1px;z-index:2}.cell.inspected{box-shadow:inset 0 0 0 1px #000}.cell.sel-all{box-shadow:inset 0 0 0 2px var(--select)}.cell.sel-partial{outline:2px dashed var(--select);outline-offset:-2px}.sel-mark{position:absolute;top:2px;right:2px;width:6px;height:6px;border-radius:50%;border:1px solid #fff;box-shadow:0 0 0 1px var(--select)}.sel-mark-all{background:var(--select)}.sel-mark-partial{background:linear-gradient(90deg,var(--select) 50%,#fff 50%)}.side{width:170px;flex:none;display:flex;flex-direction:column;gap:10px}.legend-title,.inspector-title{font-weight:600;margin-bottom:4px}.legend-ramp{height:12px;border:1px solid var(--border)}.legend-ends{display:flex;justify-content:space-between;font-size:11px;margin-bottom:6px}.legend-key{display:flex;align-items:center;gap:6px;font-size:11px;margin-top:3px}.swatch{display:inline-block;width:14px;height:12px;position:relative;flex:none}.swatch-empty{background:var(--empty);border:1px solid var(--border)}.swatch-novalues{background:repeating-linear-gradient(45deg,#fff 0 3px,#bbb 3px 4px);border:1px solid var(--border)}.swatch-partial{background:#ddd;outline:2px dashed var(--select);outline-offset:-2px}.swatch-all{background:#ddd;box-shadow:inset 0 0 0 2px var(--select)}.inspector{border-top:1px solid var(--border);padding-top:6px;line-height:1.5}.accounting{color:var(--muted);line-height:1.5}.standalone-note{padding:16px;font-family:sans-serif}.population{color:var(--text)}