:root{--ink:#293e33;--muted:#69776c;--line:#dce2d7;--paper:#fafbf7;--accent:#355b44;--soft:#e9efe3;--danger:#ad4c38;font:13px Arial,Helvetica,sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--paper)}button,input{font:inherit;color:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{opacity:.38;cursor:not-allowed}button{border:1px solid var(--line);background:#fff;border-radius:7px;min-height:34px;padding:7px 11px;white-space:nowrap}button:hover:not(:disabled){background:var(--soft)}button:focus-visible,input:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid #466f4d;outline-offset:2px}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.primary:hover{background:#284934}button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}[hidden]{display:none!important}.app{height:100vh;height:100dvh;display:grid;grid-template-rows:58px minmax(0,1fr);overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;border-bottom:1px solid var(--line);background:#fcfdf9}.brand{font-size:18px;font-weight:700;letter-spacing:-.6px}.brand:before{content:'▦';font-size:23px;color:#6f8569;margin-right:8px}.modes{display:flex;gap:3px;background:#edf0e8;border-radius:9px;padding:3px}.modes button{border:0;background:transparent;min-height:30px;padding:7px 18px;font-size:12px}.modes button[aria-pressed=true]{background:#fff;color:var(--ink);box-shadow:0 1px 5px #283a2219}.header-actions{display:flex;gap:6px}.icon-button{width:34px;padding:4px;font-size:20px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 284px;min-height:0}.stage{display:grid;grid-template-rows:auto minmax(0,1fr) 36px;min-height:0;min-width:0;background:#f0f1e9}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px}.toolbar-group{display:flex;gap:6px;align-items:center;min-width:0}.toolbar button{font-size:11px}.zoom-group button{padding:4px 9px;min-width:32px}.zoom-group span{font-size:10px;min-width:34px;text-align:center;color:var(--muted)}.board{position:relative;min-width:0;min-height:0;overflow:hidden;touch-action:none;background-image:radial-gradient(#a8b69b55 .8px,transparent .8px);background-size:20px 20px}.board:focus{outline:none}.organizer{position:absolute;border:2px solid #9c8261;border-radius:3px;background:#ddcbb0;cursor:grab;touch-action:none;box-shadow:0 4px 10px #3d4f2a12;outline:none}.organizer.active{border-color:#305e40;box-shadow:0 0 0 3px #5d80512b,0 7px 20px #263e2514;z-index:2}.organizer.dragging{cursor:grabbing;z-index:4;opacity:.9}.organizer.invalid{border-color:var(--danger);box-shadow:0 0 0 3px #ad4c382a}.cell-surface{position:absolute;inset:1px;overflow:hidden}.mini-cell{position:absolute;border:1px solid #b9ae9980;background:#e9dfcc;pointer-events:none}.org-badge{position:absolute;left:5px;top:5px;padding:4px 6px;border-radius:4px;background:#ffffffdf;font-size:10px;line-height:1;pointer-events:none;box-shadow:0 1px 4px #303c2520}.active .org-badge{background:var(--accent);color:#fff}.org-size{position:absolute;bottom:5px;right:5px;font-size:10px;background:#fffdf4dc;padding:3px 5px;border-radius:3px;pointer-events:none}.focus-tray{position:absolute;border:0;outline:3px solid #9c8261;border-radius:3px;background:#eee4d2}.compartment{position:absolute;min-height:0;min-width:0;padding:0;border:1px solid #b6ac95;background:#eee5d4;border-radius:0;overflow:hidden;font-size:12px}.compartment:nth-child(even){background:#e6dcc8}.compartment:hover{background:#e0e7d6}.compartment.selected{background:#cedfc4;box-shadow:inset 0 0 0 2px #426443;z-index:1}.compartment span{pointer-events:none}.cell-ghost{position:absolute;z-index:6;border:2px solid #355b44;background:#496b4540;pointer-events:none;display:flex;align-items:center;justify-content:center;font-size:12px;color:#28452e}.cell-ghost.invalid{border-color:var(--danger);background:#ad4c3830;color:var(--danger)}.board.drawing,.board.drawing .compartment{cursor:crosshair}.stage-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:0 16px;border-top:1px solid #dce2d790;font-size:10px;color:var(--muted)}.stage-footer #hint{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stage-footer #stats{white-space:nowrap}.viewer{position:relative;min-width:0;min-height:0;background:radial-gradient(ellipse,#fcfbf5,#eae7df)}.viewer canvas{display:block;width:100%;height:100%;touch-action:none}.dimensions-3d{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.dimensions-3d text{font:11px Arial;text-anchor:middle;dominant-baseline:middle;fill:#525c4f;paint-order:stroke;stroke:#f5f2eb;stroke-width:4px}.viewer[data-error]:after{content:attr(data-error);position:absolute;inset:40% 10%;color:var(--danger);text-align:center}
.inspector{border-left:1px solid var(--line);background:var(--paper);min-height:0;overflow:auto;padding:0 17px 16px;scrollbar-width:thin}.selection-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:17px 0 13px;position:sticky;top:0;background:var(--paper);z-index:3}.selection-head strong{font-size:15px}.selection-head .nav{display:flex;gap:4px}.selection-head .nav button{min-height:28px;width:28px;padding:2px;font-size:16px}.section{padding:14px 0;border-top:1px solid var(--line)}.section h3{font-size:11px;margin:0 0 10px;font-weight:600}.dimensions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.field label{display:block;font-size:10px;color:var(--muted);margin-bottom:5px}.field input{width:100%;min-width:0;height:36px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:7px 8px;font-size:14px}.field input[aria-invalid=true]{border-color:var(--danger)}.actions{display:flex;gap:6px;margin-top:10px}.actions button{flex:1;font-size:10px;padding:6px}.subtle{color:var(--muted);font-size:10px}.dimension-note{display:flex;justify-content:space-between;align-items:center;margin-top:9px}.measure-title{display:flex;align-items:center;gap:8px;justify-content:space-between;margin-bottom:8px;font-size:10px;color:var(--muted)}.measure-title h3{margin:0}.measure-title input{width:80px;min-width:0;height:32px;border:1px solid var(--line);border-radius:6px;background:#fff;padding:5px 8px;font-size:13px}.measure-title input[aria-invalid=true]{border-color:var(--danger)}.apply-row{display:flex;gap:6px}.apply-row button{flex:1;padding:8px 5px;font-size:10px}.status{font-size:11px;line-height:1.45;color:var(--danger);margin:8px 0 0}.status:empty{display:none}.edit-cells{width:100%;display:flex;align-items:center;justify-content:space-between;padding:11px}.edit-cells span{color:var(--muted);font-size:10px}details summary{cursor:pointer;font-size:11px;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}details summary:after{content:'+';font-size:16px;font-weight:normal}details[open] summary:after{content:'−'}details[open] summary{margin-bottom:15px}.swatches{display:flex;gap:5px;margin:8px 0 14px;justify-content:space-between}.swatch{border:2px solid transparent;border-radius:50%;width:27px;height:27px;min-height:0;padding:3px;background:transparent}.swatch:before{content:'';display:block;width:100%;height:100%;border-radius:50%;background:var(--swatch);box-shadow:inset 0 0 0 1px #00000012}.swatch[aria-pressed=true]{border-color:var(--accent);background:transparent}.swatch:hover{background:#e3e9dc}.material-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.option-row{display:flex;gap:6px;margin-top:8px}.option-row button{flex:1;font-size:10px;padding:8px 5px}.check{display:flex;align-items:center;gap:7px;font-size:10px;color:var(--muted);margin-top:12px}.check input{accent-color:var(--accent)}.reset-row{padding-top:12px;display:flex;justify-content:space-between;align-items:center}.reset-row button{border:0;background:transparent;color:var(--muted);font-size:10px;padding:4px}.save-state{font-size:10px;color:#77856c}.empty{position:absolute;inset:40% 0;text-align:center;color:var(--muted)}.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);padding:11px 17px;border-radius:8px;background:#2d4836;color:#fff;font-size:12px;z-index:20;max-width:calc(100% - 30px);box-shadow:0 4px 24px #263e2530;pointer-events:none}.toast:empty{display:none}
dialog{border:1px solid var(--line);border-radius:14px;padding:0;width:min(520px,calc(100% - 28px));max-height:85dvh;color:var(--ink);background:var(--paper);box-shadow:0 20px 80px #20341f30}dialog::backdrop{background:#243b2755;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:19px 22px;border-bottom:1px solid var(--line)}.dialog-head h2{font-size:20px;font-weight:500;margin:0}.dialog-body{padding:18px 22px}.summary-item{border-bottom:1px solid var(--line);padding:12px 0;font-size:11px;line-height:1.65}.summary-item:first-child{padding-top:0}.summary-item strong{font-size:13px}.summary-item p{margin:3px 0;color:var(--muted)}.summary-actions{display:flex;gap:8px;margin-top:18px}.summary-actions button{flex:1}#copyFallback{width:100%;height:120px;margin-top:12px;font:11px/1.5 Arial}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:900px){.workspace{grid-template-columns:minmax(0,1fr) 254px}.inspector{padding-left:13px;padding-right:13px}.header{padding:0 14px}.modes button{padding:7px 11px}.toolbar{padding:10px}.stage-footer{padding:0 10px}.stage-footer #hint{display:none}.toolbar-group{gap:4px}.toolbar button{padding:7px 8px}}
@media(max-width:650px){.app{grid-template-rows:52px minmax(0,1fr)}.header{padding:0 10px;gap:7px}.brand{font-size:0}.brand:before{font-size:22px;margin:0}.modes button{padding:6px 10px;font-size:11px}.header-actions{gap:3px}.header-actions button{min-height:30px}.icon-button{width:28px;font-size:18px}.workspace{display:flex;flex-direction:column}.stage{flex:1;min-height:230px;grid-template-rows:auto minmax(0,1fr) 28px}.inspector{flex:0 0 37%;border-left:0;border-top:1px solid var(--line);padding:0 16px 14px}.selection-head{padding:10px 0}.section{padding:11px 0}.toolbar{padding:8px 10px}.toolbar button{min-height:30px;padding:6px 9px}.stage-footer{font-size:9px}.dimensions{gap:12px}.header-actions #summaryButton{font-size:11px;padding:5px 8px}.field input{height:33px}.org-badge,.org-size{font-size:9px}.apply-row button{font-size:11px}.swatches{justify-content:flex-start;gap:12px}}
@media(max-width:370px){.modes button{padding:6px 8px}.header{gap:5px}.toolbar button{padding:6px 7px}.zoom-group #zoomValue{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
button[aria-pressed=true]:hover{background:var(--accent)}.modes button[aria-pressed=true]:hover{background:#fff}.swatch[aria-pressed=true]:hover{background:transparent}

.dimensions:has(#height){grid-template-columns:repeat(3,minmax(0,1fr))}.brand{color:inherit;text-decoration:none}.compartment{touch-action:none}button{min-height:36px}.cell-ghost.invalid{border-style:dashed}.dimensions-3d .selection-3d{stroke:#355b44;stroke-width:2;fill:#496b4540}
@media(max-width:650px){.inspector{flex-basis:43%}.stage{min-height:220px}.toolbar #previewTools{gap:3px}.toolbar #previewTools button{padding:6px 7px}.dimensions:has(#height){gap:8px}.field label{font-size:11px}.subtle,.material-label,.option-row button,.actions button{font-size:11px}}
.board.drawing .focus-tray::after{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;border-radius:inherit;background-image:linear-gradient(to right,#355b4470 1px,transparent 1px),linear-gradient(to bottom,#355b4470 1px,transparent 1px);background-size:var(--draw-grid) var(--draw-grid)}