:root{--green:#246d57;--ink:#284235;--muted:#7a8d7e;--line:#dce5d7;--bg:#f3f6ef}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:12px -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit;color:inherit}button,.button{border:1px solid #cddccc;background:#fff;border-radius:5px;min-height:32px;padding:7px 10px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:5px;font-size:11px;line-height:1.3}button:hover:not(:disabled),.button:hover{border-color:#8eae91;background:#f0f6ec}button:disabled{opacity:.44;cursor:default}button.active,button.primary{background:var(--green);border-color:var(--green);color:white}button.primary:hover:not(:disabled),button.active:hover{background:#1b5945}input,select,textarea{border:1px solid #d7e1d2;border-radius:4px;background:#fff;padding:8px;width:100%;outline:none}input:focus,select:focus,textarea:focus{border-color:#75a185;box-shadow:0 0 0 2px #d8e9da80}input[type=checkbox]{width:13px;height:13px;accent-color:var(--green);padding:0;margin:0}label{display:block;font-size:10px;color:#74856e;font-weight:550}label>input,label>select,label>textarea{display:block;margin-top:5px}textarea{resize:vertical;line-height:1.5}h1,h2,p{margin:0}h1{font-size:17px;letter-spacing:-.4px;margin:9px 0 20px;display:flex;align-items:center;gap:9px}h2{font-size:12px;font-weight:650}.topbar{height:78px;display:flex;align-items:center;gap:24px;border-bottom:1px solid var(--line);padding:0 24px;background:white}.brand{display:flex;gap:11px;align-items:center;color:var(--ink);text-decoration:none;flex:none}.brand-mark{width:46px;height:42px;display:grid;place-items:center;border-radius:6px;background:var(--green);color:#fff;font-size:16px;letter-spacing:-1px}.brand strong{font-size:15px;font-weight:650;display:block}.brand small{font-size:9px;margin-top:6px;display:block;color:#78906e}.document-title{min-width:140px;max-width:280px;flex:1}.document-title input{border-color:transparent;background:transparent;font-size:14px;font-weight:550;padding:5px 7px;margin-left:-7px}.document-title input:hover{border-color:var(--line)}.document-title>span{font-size:9px;color:var(--muted)}.top-actions{display:flex;gap:6px;align-items:center;margin-left:auto;flex-wrap:wrap}.quiet{border-color:transparent;color:#7a9276}.workspace{height:calc(100vh - 78px);min-height:650px;display:grid;grid-template-columns:265px minmax(380px,1fr) 270px}.library-panel,.properties-panel{background:#fff;min-width:0}.library-panel{display:flex;flex-direction:column;border-right:1px solid var(--line);overflow:hidden}.properties-panel{border-left:1px solid var(--line);overflow:auto;scrollbar-width:thin}.panel-heading{padding:24px 18px 9px}.eyebrow{font-size:8px;font-weight:650;letter-spacing:1.3px;color:#91a088}.count{padding:3px 7px;border-radius:12px;font-size:9px;font-weight:500;color:#6e8a6a;background:#eef4e8}.filter-row{margin-top:12px;display:grid;gap:10px}.hint{font-size:10px;color:#899781;line-height:1.65;margin-top:9px}.item-list{padding:0 11px 12px;overflow:auto;flex:1;scrollbar-width:thin;min-height:80px}.library-item{display:flex;align-items:center;gap:7px;margin:3px 0;padding:4px;border:1px solid transparent;border-radius:6px}.library-item.selected{border-color:#b8d2b0;background:#eff6e9}.item-open{display:grid;grid-template-columns:59px 1fr;align-items:center;text-align:left;gap:9px;flex:1;min-width:0;padding:6px;border:0;background:transparent}.item-open img{width:59px;height:48px;object-fit:contain;background:#fff;border:1px solid #e9eee4;border-radius:4px;padding:3px}.item-open strong{display:block;font-size:10px;font-weight:600;overflow-wrap:anywhere;line-height:1.4}.item-open small{display:block;color:#95a08d;font-size:8px;line-height:1.45;margin-top:3px}.item-insert{flex:none;width:25px;height:27px;min-height:27px;padding:0;color:var(--green);background:#f6faf2}.library-footer{padding:13px 18px;border-top:1px solid var(--line);background:#f9fbf6}.library-footer button{font-size:10px;width:100%}.library-footer span{display:block;font-size:8px;color:#91a187;line-height:1.5;margin-top:9px}.editor{padding:0 18px 12px;display:flex;flex-direction:column;min-width:0;overflow:auto}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:13px 0}.tool-group{display:flex;gap:4px;align-items:center;flex-wrap:wrap}.tool-group button{font-size:10px;min-height:29px;padding:6px 8px}.divider{height:21px;border-left:1px solid #d5dfd0;margin:0 3px}#zoom-level{color:#9aa88f;font-size:8px;padding:0 3px}.canvas-wrap{position:relative;flex:1;min-height:350px;background:#fdfefa;border:1px solid #d8e1d1;border-radius:7px;box-shadow:0 3px 14px #28452909;overflow:hidden}#vector-canvas{position:absolute;width:100%;height:100%;inset:0;touch-action:none;outline:none}#vector-canvas:focus-visible{box-shadow:inset 0 0 0 2px #8aad79}.canvas-caption{position:absolute;left:17px;top:17px;display:flex;gap:6px;flex-direction:column;pointer-events:none}.canvas-caption>span:last-child{font-size:12px;color:#6c8664}.canvas-footer{position:absolute;bottom:12px;left:17px;font-size:8px;color:#a0ac94;pointer-events:none}#empty-canvas{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80%;text-align:center;color:#9cac8f;pointer-events:none}#empty-canvas .empty-icon{display:block;font-size:70px;line-height:1;margin-bottom:18px;color:#aec0a3}#empty-canvas strong{font-size:15px;font-weight:500}#empty-canvas p{font-size:11px;line-height:1.65;max-width:260px;margin:9px auto}.coordinate-bar{padding:9px 2px;display:flex;justify-content:space-between;gap:8px;font-size:8px;color:#93a187;font-variant-numeric:tabular-nums}.drawing-info{border-top:1px solid var(--line);padding-top:13px;display:flex;gap:20px;align-items:flex-start}.drawing-info>div:first-child{flex:1;min-width:130px}.drawing-info textarea{font-size:10px;margin-top:6px;background:#f8fbf4}.export-panel{text-align:right;max-width:230px}.export-buttons{display:flex;gap:5px;margin:8px 0}.export-buttons button{font-size:10px;min-height:29px;padding:5px 10px}.export-panel small{font-size:8px;color:#97a68b;line-height:1.5;display:block}.panel{padding:19px 17px;border-bottom:1px solid #e5ece0}.section-title{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:13px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}.full{width:100%;margin-top:9px;font-size:10px}.object-actions{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:11px}.object-actions button{font-size:9px;padding:6px}.danger{color:#a26956}.text-button{min-height:23px;padding:2px 0;border:0;background:transparent;font-size:9px;color:#7c9871}.object-filter>input{font-size:10px}.object-filter label{display:flex;gap:6px;align-items:center;font-size:9px;margin-top:10px;font-weight:400}.object-filter label>input{margin:0}.object-panel{padding-bottom:10px}#object-list{max-height:365px;overflow:auto;scrollbar-width:thin;margin-top:10px}.object-row{display:grid;grid-template-columns:20px minmax(0,1fr) 24px 24px;gap:4px;padding:7px 4px;border:1px solid transparent;border-bottom-color:#edf1e8;border-radius:4px;align-items:center;cursor:pointer}.object-row.selected{background:#edf6e6;border-color:#bbd4b0}.object-row:hover{background:#f4f8ef}.object-symbol{color:#99af8e;font-size:13px;text-align:center}.object-row strong{display:block;font-size:9px;font-weight:500;line-height:1.45;overflow-wrap:anywhere}.object-row small{font-size:8px;color:#a0ac96;display:block;margin-top:2px}.object-row button{min-height:23px;width:23px;padding:0;border:0;background:transparent;color:#8ba080;font-size:11px}.object-row.is-hidden strong{text-decoration:line-through;color:#aeb8a5}.source-panel{background:#f9fbf6}.source-panel .hint{overflow-wrap:anywhere}.source-panel .full{background:transparent}#text-properties{margin-top:12px}#tool-help{position:absolute;bottom:35px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;background:white;border:1px solid #a5c096;box-shadow:0 4px 15px #32492a1a;border-radius:5px;padding:9px 11px;max-width:95%}#tool-help-text{font-size:10px;line-height:1.5;min-width:130px}#tool-help button{font-size:10px;padding:5px 8px;min-height:28px}#warnings-wrap{font-size:10px;color:#947849;padding:7px 0;line-height:1.6}#warnings-wrap summary{cursor:pointer}#warnings p{margin-top:5px}#error-banner{padding:12px 24px;background:#fbefeb;color:#953e2e;border-bottom:1px solid #e7cabb;line-height:1.5}.toast{position:fixed;bottom:23px;left:50%;transform:translateX(-50%);background:#294f3a;color:white;z-index:50;border-radius:6px;box-shadow:0 8px 23px #182c1930;padding:12px 18px;font-size:12px;max-width:80%;line-height:1.5}.toast.error{background:#965342}.object-hit{cursor:move}.locked .object-hit{cursor:pointer}.node-handle{cursor:crosshair}.control-handle{cursor:move}.selection-outline{pointer-events:none}.canvas-draw #vector-canvas{cursor:crosshair}.canvas-pan #vector-canvas{cursor:grabbing}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}[hidden]{display:none!important}:focus-visible{outline:2px solid #759f79;outline-offset:2px}@media(min-width:1650px){.workspace{grid-template-columns:300px minmax(400px,1fr) 290px}.editor{padding:0 25px 16px}.panel{padding:22px}.panel-heading{padding:26px 22px 9px}}@media(max-width:1200px){.workspace{grid-template-columns:235px minmax(350px,1fr) 240px}.topbar{padding:0 16px;gap:15px}.document-title{max-width:200px}.quiet{display:none}.top-actions button{font-size:10px;padding:6px 8px}.panel{padding:16px 13px}.editor{padding:0 12px 12px}.toolbar{justify-content:flex-start;padding:10px 0}.drawing-info{gap:12px}.export-panel{max-width:190px}.coordinate-bar>span:last-child{display:none}.item-open{grid-template-columns:47px 1fr;gap:7px}.item-open img{width:47px;height:43px}}@media(max-width:960px){.workspace{grid-template-columns:220px minmax(350px,1fr);height:auto}.properties-panel{grid-column:1/3;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.library-panel{max-height:calc(100vh - 88px)}.editor{height:calc(100vh - 88px);min-height:650px}.topbar{height:auto;min-height:88px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:12px}.document-title{max-width:220px}.top-actions{flex:1;justify-content:flex-end}.brand small{max-width:120px;line-height:1.4}.top-actions button{font-size:10px}.source-panel{align-self:start}.properties-panel .panel{border-right:1px solid var(--line)}}@media(max-width:640px){.workspace{display:flex;flex-direction:column}.library-panel{height:350px;max-height:350px}.panel-heading{padding:15px}.panel-heading h1{margin-bottom:11px}.filter-row{grid-template-columns:1fr 1fr;margin-top:9px}.library-footer{padding:8px 15px}.library-footer span{display:none}.library-footer button{width:auto}.editor{height:700px;min-height:700px}.properties-panel{display:block}.topbar{gap:10px}.brand strong{font-size:14px}.document-title{max-width:none}.top-actions{flex-basis:100%;justify-content:flex-end}.brand small{max-width:none}.drawing-info{flex-direction:column}.drawing-info>div:first-child{width:100%}.export-panel{max-width:none;text-align:left}.export-panel small{display:none}.export-buttons{margin:5px 0}.canvas-footer{display:none}.canvas-caption{left:12px;top:12px}.item-list{padding:0 10px 6px}.toolbar{gap:7px}.tool-group button{font-size:9px;padding:5px 7px}.item-open{grid-template-columns:40px 1fr}.item-open img{width:40px;height:35px}#tool-help{flex-wrap:wrap}#tool-help-text{min-width:160px}}

/* Navigation remains reachable on narrower desktop windows. */
.topbar{flex-wrap:wrap;min-height:82px;height:auto}.top-actions{flex-wrap:wrap}