:root{--bg:#f6f4ef;--ink:#1d2523;--muted:#66736d;--line:#d7d2c7;--panel:#fff;--accent:#087f7b;--accent-soft:#d9eeeb;--danger:#8b2f0e;--shadow:0 14px 36px #2126231f;color:var(--ink);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button{border:1px solid var(--line);background:var(--panel);min-height:38px;color:var(--ink);cursor:pointer;border-radius:8px;padding:0 12px;font-weight:800}button:hover{border-color:var(--accent)}.app{grid-template-rows:auto 1fr auto;min-height:100vh;display:grid}.topbar{z-index:10;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffd6;grid-template-columns:minmax(220px,1fr) minmax(650px,auto);align-items:start;gap:20px;padding:18px 22px 16px;display:grid;position:sticky;top:0}.titleWrap{gap:6px;display:grid}.brandRow{align-items:center;gap:9px;display:flex}.logoMark{flex:none;width:28px;height:28px}.logoMark rect{fill:var(--accent)}.logoMark path{fill:none;stroke:#fff;stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.eyebrow{color:var(--muted);text-transform:uppercase;font-size:13px;font-weight:900}.titleInput{width:100%;color:var(--ink);background:0 0;border:0;border-bottom:2px solid #0000;outline:none;padding:0 0 4px;font-size:clamp(30px,3vw,50px);font-weight:900;line-height:1.05}.titleInput:focus{border-bottom-color:var(--accent)}.toolbar{justify-content:flex-end;align-items:start;min-width:0;display:flex}.headerControls{flex-wrap:nowrap;justify-content:flex-end;align-items:flex-end;gap:8px;min-width:0;display:flex}.boxSwitcher{border:1px solid var(--line);width:230px;min-height:38px;color:var(--ink);background:#fff;border-radius:8px;padding:0 10px;font-weight:800}.toolbarStatus{color:var(--muted);align-self:center;min-width:96px;font-size:13px;font-weight:850}.iconPrimary{border-color:var(--accent);background:var(--accent);color:#fff;place-items:center;width:42px;min-height:38px;padding:0 0 3px;font-size:28px;line-height:1;display:grid}.settingsMenu{position:relative}.settingsMenu summary{border:1px solid var(--line);background:var(--panel);width:42px;min-height:38px;color:var(--ink);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;padding:0;font-weight:800;list-style:none;display:inline-flex}.settingsMenu summary svg{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.settingsMenu summary::-webkit-details-marker{display:none}.settingsPanel{z-index:30;border:1px solid var(--line);background:var(--panel);width:200px;box-shadow:var(--shadow);border-radius:8px;gap:6px;padding:8px;display:grid;position:absolute;top:calc(100% + 6px);right:0}.settingsPanel button{text-align:left;justify-content:start;width:100%}.primary{background:var(--accent);border-color:var(--accent);color:#fff}.danger{color:var(--danger)}.quickForm{grid-template-columns:minmax(160px,1fr) auto;gap:8px;display:grid}.variableForm{grid-template-columns:minmax(130px,.8fr) minmax(150px,1fr) auto}.quickForm input,.quickForm select{border:1px solid var(--line);min-width:0;min-height:42px;color:var(--ink);background:#fff;border-radius:8px;padding:0 10px;font-weight:750}.quickForm button:disabled{cursor:not-allowed;opacity:.45}.modeControl{justify-items:center;gap:3px;display:grid}.modeSwitch{border:1px solid var(--line);background:#f7f8f4;border-radius:8px;grid-template-columns:1fr 1fr;gap:4px;padding:3px;display:grid}.modeLabel{color:var(--muted);text-align:center;text-transform:uppercase;font-size:11px;font-weight:900;line-height:1}.modeSwitch button{white-space:nowrap;background:0 0;border-color:#0000;min-height:30px;padding:0 12px}.topModeSwitch{min-width:210px}.modeSwitch .activeMode{background:var(--accent);border-color:var(--accent);color:#fff}.workspace{grid-template-columns:1fr;gap:12px;min-height:0;padding:18px 22px 10px;display:grid}.board,.conceptShelf{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.mainColumn{align-content:start;gap:12px;min-width:0;display:grid}.conceptShelf{min-width:0;transition:border-color .16s,box-shadow .16s;overflow:hidden}.conceptShelf summary{cursor:pointer;background:#fbfaf7;grid-template-columns:32px auto 1fr auto 38px;align-items:center;gap:10px;min-height:58px;padding:0 14px;font-weight:900;list-style:none;display:grid}.conceptShelf[open]{border-color:var(--accent);box-shadow:0 14px 36px #087f7b24}.conceptShelf[open] summary{border-bottom:1px solid var(--line);background:var(--accent-soft)}.conceptShelf summary::-webkit-details-marker{display:none}.panelChevron{border:1px solid var(--line);width:28px;height:28px;color:var(--accent);background:#fff;border-radius:999px;place-items:center;font-size:24px;line-height:1;transition:transform .16s,background .16s,color .16s;display:grid}.conceptShelf[open] .panelChevron{background:var(--accent);color:#fff;transform:rotate(90deg)}.panelKicker{color:var(--muted);text-transform:uppercase;font-size:13px}.conceptShelf summary strong{text-overflow:ellipsis;white-space:nowrap;font-size:18px;overflow:hidden}.panelMeta{color:var(--muted);font-size:13px;font-weight:850}.panelAddButton{border-color:var(--accent);background:var(--accent);color:#fff;place-items:center;width:32px;min-height:32px;padding:0 0 3px;font-size:24px;line-height:1;display:grid}.conceptShelfBody{grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:14px;padding:14px;display:grid}.currentConceptPane,.savedConceptPane{gap:10px;display:grid}.currentConceptPane h2,.savedConceptPane h2{margin:0;font-size:20px}.currentConceptBody{grid-template-columns:minmax(190px,.65fr) minmax(260px,1.2fr) minmax(220px,1fr);align-items:stretch;gap:10px;display:grid}.board{align-content:start;gap:14px;min-height:620px;padding:14px;display:grid;position:relative;overflow:auto}.compareOverlay{z-index:8;pointer-events:none;position:absolute;inset:0;overflow:visible}.compareOverlay path{fill:none;stroke-width:4px;stroke-linecap:round;stroke-linejoin:round;opacity:.72;filter:drop-shadow(0 2px 4px #1d252329)}.compareOverlay circle{stroke:#fff;stroke-width:3px;opacity:.88}.dimensionGroup{z-index:1;border:1px solid var(--line);background:#fff;border-radius:8px;min-width:920px;position:relative;overflow:hidden}.groupHeader{border-bottom:1px solid var(--line);background:#f7f8f4;grid-template-columns:36px 44px minmax(220px,1fr) auto auto 34px;align-items:center;gap:8px;min-height:56px;padding:8px 10px;display:grid}.readOnlyGroupHeader{grid-template-columns:36px minmax(220px,1fr) auto}.groupHeader h2{margin:0;font-size:22px}.groupHeader span{color:var(--muted);white-space:nowrap;font-size:13px;font-weight:850}.groupToggle{border-color:var(--accent);width:32px;min-height:32px;color:var(--accent);place-items:center;padding:0;font-size:24px;line-height:1;display:grid}.groupName{border:1px solid var(--line);background:#fff;border-radius:8px;min-height:38px;padding:0 10px;font-size:20px;font-weight:900}.groupHeader .addDimension{white-space:nowrap;border-style:solid;width:auto;min-height:38px;margin:0;font-size:14px}.groupDimensions{display:grid}.groupEmpty,.emptyBoard{min-width:880px;padding:18px}.dimension{border-bottom:1px solid var(--line);background:#fff;grid-template-columns:250px minmax(500px,1fr);align-items:stretch;gap:14px;min-width:880px;padding:10px;display:grid}.groupDimensions .dimension:last-of-type{border-bottom:0}.dropOver{outline:3px solid var(--accent);outline-offset:-4px}.dimensionLabel{border-left:8px solid var(--accent);background:#eef2ee;border-radius:8px;grid-template-columns:44px 1fr 34px;align-items:center;gap:8px;min-height:74px;padding:10px;display:grid}.selectionLabel{grid-template-columns:1fr}.handle{width:44px;height:44px;min-height:44px;color:var(--muted);cursor:grab;-webkit-user-select:none;user-select:none;background:#fff;border:1px solid #cad3ce;border-radius:8px;place-items:center;padding:0;font-size:24px;line-height:1;display:grid}.plainInput{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;outline:none}.dimName{font-size:22px;font-weight:900;line-height:1.1}.dimensionText{gap:5px;min-width:0;display:grid}.dimDescription{color:var(--muted);font-size:13px;font-weight:750;line-height:1.25}.readonlyDescription{overflow-wrap:anywhere}.iconButton{width:34px;min-height:34px;color:var(--muted);place-items:center;padding:0;display:grid}.options{align-items:stretch;gap:10px;min-height:74px;padding:2px 2px 8px;display:flex;overflow-x:auto}.option{border:2px solid var(--line);cursor:pointer;background:#fbfaf7;border-radius:8px;flex:0 0 190px;grid-template-rows:auto 1fr;align-items:center;gap:6px;min-height:72px;padding:8px;display:grid}.readonlyName,.readonlyOption{overflow-wrap:anywhere}.readonlyOption{align-items:center;min-height:52px;display:grid}.option.selected{background:var(--accent-soft);border-color:var(--accent);box-shadow:inset 0 0 0 2px #087f7b29}.optionHead{justify-content:space-between;align-items:center;gap:6px;display:flex}.optionHandle{width:30px;height:26px;min-height:26px;font-size:18px}.optionText{resize:none;font-size:18px;font-weight:850;line-height:1.16;overflow:hidden}.addOption{min-height:72px;color:var(--muted);background:#f7f8f4;border:2px dashed #bfc7c1;flex:0 0 150px;font-size:18px}.addDimension{width:100%;min-height:68px;color:var(--muted);background:#f7f8f4;border:2px dashed #bfc7c1;margin-top:12px;font-size:20px}.editComposer{background:#f7f8f4;border:2px dashed #bfc7c1;border-radius:8px;gap:10px;min-width:880px;margin-top:12px;padding:12px;display:grid}.conceptName{border:1px solid var(--line);border-radius:8px;width:100%;min-height:46px;padding:9px 11px;font-size:20px;font-weight:850}.selectionList{background:#f7faf7;border:2px dashed #c7d3ce;border-radius:8px;gap:8px;min-height:110px;padding:10px;display:grid}.dropActive{border-color:var(--accent);background:var(--accent-soft)}.selectionItem{border:1px solid var(--line);background:#fff;border-radius:8px;grid-template-columns:110px 1fr;align-items:baseline;gap:8px;padding:8px;display:grid}.selectionItem span{color:var(--muted);font-size:13px;font-weight:850}.selectionItem strong{font-size:17px}.notes{border:1px solid var(--line);resize:vertical;border-radius:8px;width:100%;min-height:96px;padding:10px}.savedList{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px;max-height:220px;display:grid;overflow:auto}.savedHead{justify-content:space-between;align-items:center;gap:10px;display:flex}.savedBody h2{margin:0;font-size:20px}.savedCard{border:1px solid var(--line);cursor:pointer;text-align:left;background:#fbfaf7;border-radius:8px;justify-items:start;gap:6px;padding:10px;display:grid}.compareSelected{background:#f7fbfa}.compareCheck{color:var(--muted);text-transform:uppercase;cursor:pointer;align-items:center;gap:6px;font-size:12px;font-weight:900;display:inline-flex}.compareCheck input{width:15px;height:15px;accent-color:var(--accent)}.compareDot{border-radius:999px;width:10px;height:10px}.conceptLoad{text-align:left;background:0 0;border:0;justify-items:start;gap:6px;width:100%;min-height:0;padding:0;display:grid}.conceptLoad:hover{border-color:#0000}.selectedConcept{border-color:var(--accent)}.savedCard span,.empty,.footer{color:var(--muted)}.savedCard span{font-size:13px;line-height:1.35}.empty{padding:16px 8px;font-weight:750}.footer{flex-wrap:wrap;justify-content:space-between;gap:8px 18px;padding:8px 22px 18px;font-size:13px;display:flex}.ghost{z-index:100;pointer-events:none;border:2px solid var(--accent);background:var(--accent-soft);width:210px;min-height:72px;box-shadow:var(--shadow);opacity:.88;border-radius:8px;place-items:center;padding:10px;font-weight:900;display:grid;position:fixed;transform:translate(-50%,-50%)}.modalOverlay{z-index:200;background:#1d25236b;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.conceptModal{border:1px solid var(--line);background:var(--panel);border-radius:8px;gap:18px;width:min(720px,100%);max-height:min(760px,100vh - 48px);padding:18px;display:grid;overflow:auto;box-shadow:0 24px 70px #0f161452}.modalHead{justify-content:space-between;align-items:start;gap:16px;display:flex}.modalHead p{color:var(--muted);text-transform:uppercase;margin:0 0 4px;font-size:13px;font-weight:900}.modalHead h2{margin:0;font-size:28px;line-height:1.1}.modalForm{gap:14px;display:grid}.modalForm label{color:var(--muted);text-transform:uppercase;gap:7px;font-size:13px;font-weight:900;display:grid}.modalForm input,.modalForm textarea{border:1px solid var(--line);width:100%;color:var(--ink);text-transform:none;background:#fff;border-radius:8px;padding:10px 12px;font-size:18px;font-weight:750}.modalForm textarea{resize:vertical;min-height:130px}.modalSelections{border:1px solid var(--line);background:#f7faf7;border-radius:8px;gap:8px;max-height:220px;padding:10px;display:grid;overflow:auto}.projectModalNote{border:1px solid var(--line);color:var(--muted);background:#f7faf7;border-radius:8px;padding:12px;font-size:16px;font-weight:750;line-height:1.4}.modalActions{justify-content:flex-end;gap:8px;display:flex}.hiddenFile{display:none}@media (width<=760px){.topbar,.workspace{grid-template-columns:1fr}.toolbar{justify-items:stretch}.headerControls{flex-wrap:wrap;justify-content:flex-start}.boxSwitcher{width:min(100%,420px)}.conceptShelf,.currentConceptBody{grid-template-columns:1fr}}