*{box-sizing:border-box;margin:0;padding:0}:root{--ribbon-bg:#f0f0f0;--ribbon-tab-active:#fff;--ribbon-border:#c8c8c8;--ribbon-btn-hover:#def;--ribbon-btn-active:#b8d4f0;--toolbar-bg:#e8e8e8;--toolbar-border:silver;--panel-bg:#f5f5f5;--panel-border:#c8c8c8;--statusbar-bg:#e0e0e0;--text:#1a1a1a;--text2:#555;--text3:#888;--accent:#0078d4;--accent-light:#cce4f7;--map-bg:#d4d8dd;--tab-active:#fff;--tab-hover:#e8e8e8;--green:#107c10;--red:#d13438;--separator:silver;--bg:#fff;--border:#c8c8c8;--surface-raised:#fff;--surface-sunken:#d0d0d0;--surface-hover:#e0e0e0;--surface-header-start:#e8e8e8;--surface-header-end:#d8d8d8;--control-bg:#fff;--title-h:32px;--ribbon-tab-h:26px;--ribbon-body-h:76px;--left-toolbar-w:38px;--right-panel-w:220px;--statusbar-h:24px;--proj-tab-h:28px}body[data-theme=dark]{background:#1a1a1a}body[data-theme=dark] #map{background:var(--map-bg)}body[data-theme=dark] #titlebar{background:linear-gradient(#1e3a5a 0%,#142b45 100%);border-bottom-color:#0a1e33}body[data-theme=dark] .modal{background:var(--panel-bg);border:1px solid var(--border);color:var(--text)}body[data-theme=dark] .m-input{border-color:var(--border);color:var(--text);background:#2a2a2a}#theme-toggle{background:var(--panel-bg);border:1px solid var(--border);cursor:pointer;z-index:500;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;font-size:13px;transition:background .2s;display:flex;position:fixed;bottom:28px;right:8px}#theme-toggle:hover{background:var(--ribbon-btn-hover)}#cmd-palette-overlay{z-index:9000;background:#00000073;justify-content:center;align-items:flex-start;padding-top:80px;display:flex;position:fixed;inset:0}#cmd-palette{background:var(--bg,#fff);border:1px solid var(--border);border-radius:8px;width:560px;max-width:calc(100vw - 40px);overflow:hidden;box-shadow:0 16px 48px #0006}#cmd-palette-search-wrap{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:10px 14px;display:flex}#cmd-palette-icon{color:var(--text3);font-size:16px}#cmd-palette-input{color:var(--text);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:14px}#cmd-palette-input::placeholder{color:var(--text3)}#cmd-palette-results{max-height:360px;overflow-y:auto}.cmd-item{cursor:pointer;border-bottom:1px solid #0000;align-items:center;gap:10px;padding:8px 14px;display:flex}.cmd-item:hover,.cmd-item.selected{background:var(--ribbon-btn-hover)}.cmd-item-icon{text-align:center;flex-shrink:0;width:20px;font-size:13px}.cmd-item-label{color:var(--text);flex:1;font-size:12px;font-weight:500}.cmd-item-desc{color:var(--text3);text-overflow:ellipsis;white-space:nowrap;max-width:200px;font-size:11px;overflow:hidden}.cmd-item-shortcut{background:var(--ribbon-btn-active);color:var(--text2);border-radius:3px;flex-shrink:0;padding:1px 5px;font-family:JetBrains Mono,monospace;font-size:10px}.cmd-no-results{text-align:center;color:var(--text3);padding:20px;font-size:12px}.ctx-menu{z-index:8000;background:var(--bg,#fff);border:1px solid var(--border);border-radius:5px;min-width:180px;padding:3px 0;font-size:12px;position:fixed;box-shadow:0 6px 20px #00000040}.ctx-item{cursor:pointer;color:var(--text);white-space:nowrap;align-items:center;gap:8px;padding:5px 14px 5px 10px;display:flex}.ctx-item:hover{background:var(--ribbon-btn-hover)}.ctx-item.disabled{color:var(--text3);cursor:default;pointer-events:none}.ctx-item-icon{text-align:center;flex-shrink:0;width:16px;font-size:12px}.ctx-item-label{flex:1}.ctx-item-shortcut{color:var(--text3);margin-left:auto;font-family:JetBrains Mono,monospace;font-size:10px}.ctx-sep{background:var(--border);height:1px;margin:3px 0}body{color:var(--text);-webkit-user-select:none;user-select:none;background:#d0d0d0;flex-direction:column;height:100vh;font-family:Segoe UI,Tahoma,Geneva,sans-serif;font-size:12px;display:flex;overflow:hidden}#titlebar{height:var(--title-h);background:linear-gradient(#4a90d9 0%,#2b6cb5 100%);border-bottom:1px solid #1a5499;flex-shrink:0;align-items:center;gap:6px;padding:0 8px;display:flex}.app-logo{color:#0078d4;background:#fff;border-radius:3px;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;font-weight:700;display:flex}.app-title{color:#fff;text-shadow:0 1px 2px #0000004d;font-size:12px;font-weight:600}.title-spacer{flex:1}.win-btn{cursor:pointer;color:#fff;background:0 0;border:none;border-radius:2px;justify-content:center;align-items:center;width:28px;height:20px;font-size:11px;transition:background .1s;display:flex}.win-btn:hover{background:#fff3}.win-btn.close:hover{background:#c42b1c}#ribbon{background:var(--ribbon-bg);border-bottom:2px solid var(--accent);flex-shrink:0}#ribbon-tabs{background:var(--ribbon-bg);gap:1px;padding:4px 4px 0;display:flex}.rtab{height:var(--ribbon-tab-h);cursor:pointer;color:var(--text2);background:0 0;border:1px solid #0000;border-bottom:none;border-radius:3px 3px 0 0;align-items:center;padding:0 14px;font-family:inherit;font-size:11px;font-weight:500;transition:all .1s;display:flex}.rtab:hover{background:var(--ribbon-btn-hover);color:var(--text)}.rtab.active{background:var(--ribbon-tab-active);border-color:var(--ribbon-border);color:var(--accent);z-index:2;font-weight:600;position:relative}.rtab.active:after{content:"";background:var(--ribbon-tab-active);height:2px;position:absolute;bottom:-2px;left:0;right:0}#ribbon-body{height:var(--ribbon-body-h);background:var(--surface-raised);border-top:1px solid var(--ribbon-border);align-items:stretch;gap:1px;padding:4px;display:flex;overflow:hidden}.rgroup{border-right:1px solid var(--separator);flex-direction:column;align-items:center;min-width:fit-content;padding:0 8px;display:flex}.rgroup:last-child{border-right:none}.rgroup-label{color:var(--text3);text-align:center;text-align:center;letter-spacing:.3px;border-top:1px solid #0000;width:100%;margin-top:auto;padding-top:2px;font-size:9px}.rbtns{flex:1;align-items:center;gap:1px;padding:2px 0;display:flex}.rbtn{cursor:pointer;min-width:44px;height:52px;color:var(--text);white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:3px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:4px 6px;font-family:inherit;font-size:9px;transition:all .1s;display:flex}.rbtn:hover{background:var(--ribbon-btn-hover);border-color:#a8c8e8}.rbtn.active{background:var(--ribbon-btn-active);border-color:#5a9fd4}.rbtn-icon{font-size:20px;line-height:1}.rbtn-icon.sm{font-size:14px}.rbtn-row{flex-direction:column;justify-content:center;gap:1px;height:52px;display:flex}.rbtn-sm{cursor:pointer;min-width:80px;color:var(--text);white-space:nowrap;background:0 0;border:1px solid #0000;border-radius:2px;align-items:center;gap:5px;padding:3px 8px;font-family:inherit;font-size:11px;transition:all .1s;display:flex}.rbtn-sm:hover{background:var(--ribbon-btn-hover);border-color:#a8c8e8}.rbtn-sm.active{background:var(--ribbon-btn-active);border-color:#5a9fd4}.rbtn-sm-icon{font-size:13px}#proj-tabs{height:var(--proj-tab-h);background:var(--toolbar-bg);border-bottom:1px solid var(--ribbon-border);flex-shrink:0;align-items:flex-end;gap:1px;padding:0 2px;display:flex}.ptab{background:var(--surface-sunken);border:1px solid var(--border);cursor:pointer;height:24px;color:var(--text2);border-bottom:none;border-radius:3px 3px 0 0;align-items:center;gap:6px;padding:0 14px;font-family:inherit;font-size:11px;transition:all .1s;display:flex}.ptab:hover{background:var(--surface-hover)}.ptab.active{background:var(--tab-active);color:var(--text);border-color:var(--ribbon-border)}.ptab-name{text-overflow:ellipsis;white-space:nowrap;max-width:120px;overflow:hidden}.ptab-close{color:var(--text3);cursor:pointer;font-size:12px}.ptab-close:hover{color:var(--red)}.ptab-add{height:24px;color:var(--text3);cursor:pointer;background:0 0;border:none;padding:0 10px;font-size:16px;line-height:1}.ptab-add:hover{color:var(--accent)}.layer-group{border-bottom:1px solid var(--border)}.layer-group-header{background:var(--ribbon-bg);cursor:pointer;align-items:center;gap:4px;padding:4px 6px;font-size:11px;display:flex}.layer-group-header:hover{background:var(--ribbon-hover,#e8e8e8)}.layer-group-toggle{color:var(--text3);width:10px;font-size:9px}.layer-group-vis{border:1px solid var(--border);text-align:center;cursor:pointer;border-radius:2px;justify-content:center;align-items:center;width:14px;height:14px;font-size:10px;display:flex}.layer-group-name{flex:1;font-weight:600}.layer-group-body{padding-left:12px}#print-layout{z-index:2000;background:#555;flex-direction:column;position:fixed;inset:0;overflow:auto}#print-toolbar{background:var(--ribbon-bg);border-bottom:1px solid var(--border);flex-shrink:0;padding:6px 12px}#print-canvas-area{flex:1;justify-content:center;align-items:flex-start;padding:24px;display:flex;overflow:auto}#print-page{background:#fff;position:relative;box-shadow:0 4px 24px #0006}#print-map-frame{background:#e8f0ff;border:1px solid #ccc;justify-content:center;align-items:center;display:flex;position:absolute;inset:10px 10px 50px}#print-map-placeholder{color:#999;font-size:12px}#print-overlay-elements{pointer-events:none;position:absolute;inset:0}#print-title-block{border-top:2px solid #333;justify-content:space-between;align-items:baseline;padding-top:4px;display:flex;position:absolute;bottom:8px;left:10px;right:10px}#ptb-title{font-size:13px;font-weight:700}#ptb-meta{color:#666;font-size:10px}#print-north-arrow{pointer-events:none;position:absolute;top:16px;right:16px}#print-scale-bar{pointer-events:none;flex-direction:column;gap:2px;display:flex;position:absolute;bottom:36px;left:16px}#psb-line{background:#222;height:6px}#psb-label{color:#333;text-align:center;font-size:9px}#print-legend{background:#ffffffe6;border:1px solid #ccc;border-radius:3px;min-width:80px;padding:6px 8px;position:absolute;top:16px;left:16px}#print-legend-title{margin-bottom:4px;font-size:10px;font-weight:700}.pt-sep{color:var(--border);margin:0 2px}#main{flex:1;display:flex;overflow:hidden}#left-toolbar{width:var(--left-toolbar-w);background:var(--toolbar-bg);border-right:1px solid var(--toolbar-border);flex-direction:column;flex-shrink:0;align-items:center;gap:1px;padding:3px 0;display:flex;overflow-y:auto}.ltbtn{cursor:pointer;width:32px;height:32px;color:var(--text);background:0 0;border:1px solid #0000;border-radius:3px;justify-content:center;align-items:center;font-size:16px;transition:all .1s;display:flex;position:relative}.ltbtn:hover{background:var(--ribbon-btn-hover);border-color:#a8c8e8}.ltbtn.active{background:var(--ribbon-btn-active);border-color:#5a9fd4}.lt-sep{background:var(--separator);width:28px;height:1px;margin:2px 0}.ltbtn[title]:hover:after{content:attr(title);color:#fff;white-space:nowrap;z-index:1000;pointer-events:none;background:#333;border-radius:3px;padding:3px 7px;font-size:10px;position:absolute;top:50%;left:38px;transform:translateY(-50%)}#map-area{background:var(--map-bg);flex:1;position:relative;overflow:hidden}#map{position:absolute;inset:0}#map:before{content:"";pointer-events:none;z-index:1;background-image:linear-gradient(#6482aa14 1px,#0000 1px),linear-gradient(90deg,#6482aa14 1px,#0000 1px);background-size:50px 50px;position:absolute;inset:0}#zoom-ctrl{z-index:10;flex-direction:column;gap:1px;display:flex;position:absolute;top:10px;right:10px}.zmb{background:var(--control-bg);border:1px solid var(--ribbon-border);cursor:pointer;width:24px;height:24px;color:var(--text);border-radius:2px;justify-content:center;align-items:center;font-size:14px;font-weight:600;transition:all .1s;display:flex;box-shadow:0 1px 3px #00000026}.zmb:hover{background:var(--ribbon-btn-hover)}#scale-bar{z-index:10;border:1px solid var(--ribbon-border);color:var(--text2);background:#ffffffd9;border-radius:2px;padding:3px 7px;font-family:JetBrains Mono,monospace;font-size:10px;position:absolute;bottom:10px;left:10px}#mode-ind{z-index:10;border:1px solid var(--accent);color:var(--accent);background:#fffffff2;border-radius:3px;align-items:center;gap:7px;padding:4px 12px;font-size:11px;font-weight:600;display:none;position:absolute;top:10px;left:50%;transform:translate(-50%);box-shadow:0 2px 8px #0078d433}#mode-ind.on{display:flex}.mind-dot{background:var(--accent);border-radius:50%;width:7px;height:7px;animation:1.2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}#mode-ind.measure{color:#107c10;border-color:#107c10}#mode-ind.measure .mind-dot{background:#107c10}#right-panel{width:var(--right-panel-w);background:var(--panel-bg);border-left:1px solid var(--panel-border);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.rp-section{border-bottom:1px solid var(--panel-border)}.rp-header{background:linear-gradient(180deg, var(--surface-header-start) 0%, var(--surface-header-end) 100%);border-bottom:1px solid var(--panel-border);cursor:pointer;justify-content:space-between;align-items:center;height:24px;padding:0 8px;display:flex}.rp-title{color:var(--text);font-size:11px;font-weight:600}.rp-toggle{color:var(--text3);font-size:9px}#layer-tree{padding:2px 0}.layer-item{cursor:pointer;align-items:center;gap:5px;height:22px;padding:0 6px;transition:background 80ms;display:flex}.layer-item:hover{background:var(--ribbon-btn-hover)}.layer-item.active{background:var(--accent-light)}.layer-cb{background:var(--control-bg);cursor:pointer;width:13px;height:13px;color:var(--accent);border:1px solid #999;border-radius:2px;flex-shrink:0;justify-content:center;align-items:center;font-size:9px;display:flex}.layer-color-box{border:1px solid #0003;border-radius:1px;flex-shrink:0;width:12px;height:12px}.layer-name-text{text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:11px;overflow:hidden}.layer-feat-cnt{color:var(--text3);font-family:JetBrains Mono,monospace;font-size:10px}.add-layer-row{cursor:pointer;height:22px;color:var(--accent);align-items:center;gap:5px;padding:0 6px;font-size:11px;transition:background 80ms;display:flex}.add-layer-row:hover{background:var(--ribbon-btn-hover)}#props-content{flex:1;padding:6px;overflow-y:auto}.prop-group{margin-bottom:8px}.prop-group-title{color:var(--text3);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--panel-border);margin-bottom:4px;padding-bottom:2px;font-size:10px;font-weight:600}.prop-row{grid-template-columns:68px 1fr;align-items:center;gap:4px;margin-bottom:3px;display:grid}.prop-label{color:var(--text2);font-size:10px}.prop-val{background:var(--control-bg);border:1px solid var(--border);color:var(--text);border-radius:2px;padding:2px 5px;font-family:JetBrains Mono,monospace;font-size:10px}.prop-input{background:var(--control-bg);border:1px solid var(--border);color:var(--text);border-radius:2px;outline:none;width:100%;padding:2px 5px;font-family:inherit;font-size:11px;transition:border-color .1s}.prop-input:focus{border-color:var(--accent)}.no-sel{color:var(--text3);text-align:center;padding:12px 8px;font-size:11px;line-height:1.6}.del-btn-rp{background:var(--control-bg);border:1px solid var(--border);cursor:pointer;color:var(--red);border-radius:2px;align-items:center;gap:5px;margin:6px;padding:4px 8px;font-family:inherit;font-size:11px;transition:all .1s;display:flex}.del-btn-rp:hover{border-color:var(--red);background:#fde8e8}#attr-panel{background:var(--surface-raised);border-top:2px solid var(--accent);flex-direction:column;flex-shrink:0;height:180px;transition:height .18s;display:flex}#attr-panel.collapsed{height:24px}#attr-header{background:linear-gradient(180deg, var(--surface-header-start) 0%, var(--surface-header-end) 100%);border-bottom:1px solid var(--panel-border);cursor:pointer;flex-shrink:0;align-items:center;gap:8px;height:24px;padding:0 8px;display:flex}.ah-title{color:var(--text);font-size:11px;font-weight:600}#ah-count{color:var(--text3);background:var(--control-bg);border:1px solid var(--panel-border);border-radius:8px;padding:0 6px;font-family:JetBrains Mono,monospace;font-size:10px}#ah-toggle{color:var(--text3);margin-left:auto;font-size:9px}#attr-scroll{flex:1;overflow:auto}#attr-panel.collapsed #attr-scroll{display:none}#att{border-collapse:collapse;width:100%;font-size:11px}#att th{background:linear-gradient(180deg, var(--surface-header-start) 0%, var(--surface-header-end) 100%);text-align:left;color:var(--text2);border-bottom:1px solid var(--panel-border);border-right:1px solid var(--panel-border);white-space:nowrap;padding:4px 8px;font-size:10px;font-weight:600;position:sticky;top:0}#att td{color:var(--text);white-space:nowrap;border-bottom:1px solid #eee;border-right:1px solid #eee;padding:3px 8px;font-family:JetBrains Mono,monospace;font-size:10px}#att tr:hover td{background:#eff6ff}#att tr.sel td{background:var(--accent-light)}#statusbar{height:var(--statusbar-h);background:linear-gradient(180deg, var(--surface-header-start) 0%, var(--surface-header-end) 100%);border-top:1px solid var(--border);flex-shrink:0;align-items:center;gap:0;padding:0 8px;font-family:JetBrains Mono,monospace;font-size:10px;display:flex}.sb-item{border-right:1px solid var(--separator);align-items:center;gap:4px;height:100%;padding:0 10px;display:flex}.sb-item:first-child{padding-left:4px}.sb-label{color:var(--text2);text-transform:uppercase;letter-spacing:.5px;font-size:9px}.sb-val{color:var(--text)}#sb-measure{color:var(--green);display:none}.sb-spacer{flex:1}.sb-ready{color:var(--text3);font-family:Segoe UI,sans-serif;font-size:10px}.overlay{z-index:2000;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--panel-bg);border:1px solid var(--border);border-radius:4px;width:300px;overflow:hidden;box-shadow:0 8px 32px #00000059}.modal-title-bar{color:#fff;background:linear-gradient(#4a90d9 0%,#2b6cb5 100%);align-items:center;height:28px;padding:0 10px;font-size:12px;font-weight:600;display:flex}.modal-body{flex-direction:column;gap:10px;padding:16px;display:flex}.m-label{color:var(--text);margin-bottom:3px;font-size:11px;display:block}.m-input{color:var(--text);background:#fff;border:1px solid #c8c8c8;border-radius:2px;outline:none;width:100%;padding:5px 7px;font-family:inherit;font-size:12px}.m-input:focus{border-color:var(--accent);outline:1px solid var(--accent)}.sws{flex-wrap:wrap;gap:5px;display:flex}.sw{cursor:pointer;border:2px solid #0000;border-radius:2px;width:20px;height:20px;transition:all .1s}.sw.on{border-color:#333;transform:scale(1.15)}.modal-actions{background:var(--surface-header-end);border-top:1px solid var(--panel-border);justify-content:flex-end;gap:6px;padding:8px 16px 12px;display:flex}.btn-ok{background:var(--accent);color:#fff;cursor:pointer;border:1px solid #005a9e;border-radius:2px;padding:5px 20px;font-family:inherit;font-size:12px}.btn-ok:hover{background:#106ebe}.btn-cancel{background:var(--surface-header-end);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:2px;padding:5px 20px;font-family:inherit;font-size:12px}.btn-cancel:hover{background:var(--surface-hover)}.help-modal-shell{flex-direction:column;width:min(1080px,100vw - 48px);max-height:calc(100vh - 48px);display:flex}.help-toolbar{border-bottom:1px solid var(--border);background:var(--bg);align-items:center;gap:12px;padding:12px 16px;display:flex}.help-toolbar-text{min-width:240px;color:var(--text3);flex-direction:column;gap:3px;font-size:11px;display:flex}.help-toolbar-text strong{color:var(--text);font-size:12px}#help-search{max-width:340px;margin-left:auto}.help-modal-content{background:var(--panel-bg);gap:14px;padding:16px;display:grid;overflow-y:auto}.help-topic{border:1px solid var(--border);background:var(--bg);border-radius:6px;overflow:hidden}.help-topic-toggle{cursor:pointer;text-align:left;background:#0078d40f;border:none;justify-content:space-between;align-items:flex-start;gap:12px;width:100%;padding:0;display:flex}.help-topic-toggle:hover{background:#0078d41a}.help-topic-header{flex:1;padding:14px 16px 10px}.help-topic.expanded .help-topic-header{border-bottom:1px solid var(--border)}.help-topic-header h3{margin-bottom:4px;font-size:14px}.help-topic-header p{color:var(--text3);font-size:11px;line-height:1.45}.help-topic-icon{width:32px;color:var(--accent);flex-shrink:0;padding:16px 14px 0 0;font-size:18px;line-height:1}.help-entry-list{background:var(--border);gap:1px;display:grid}.help-entry-list.is-hidden{display:none}.help-entry{background:var(--bg);padding:12px 16px}.help-entry-head{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px;display:flex}.help-entry-head strong{font-size:12px}.help-chip,.help-kbd{border-radius:999px;align-items:center;padding:2px 8px;font-size:10px;line-height:1.4;display:inline-flex}.help-chip{background:var(--ribbon-btn-hover);color:var(--text2)}.help-kbd{background:var(--ribbon-btn-active);color:var(--text);font-family:JetBrains Mono,monospace}.help-purpose,.help-usage{font-size:11px;line-height:1.55}.help-purpose{color:var(--text)}.help-usage{color:var(--text2);margin-top:4px}.help-usage span{font-weight:600}.help-empty{text-align:center;color:var(--text3);background:var(--bg);border:1px dashed var(--border);border-radius:6px;padding:24px;font-size:12px}#snap-ind{z-index:10;border:1px solid var(--ribbon-border);color:var(--green);background:#ffffffeb;border-radius:2px;align-items:center;gap:5px;padding:3px 8px;font-size:10px;font-weight:600;display:none;position:absolute;bottom:10px;right:10px;box-shadow:0 1px 4px #00000026}#snap-ind.on{display:flex}.snap-dot{background:var(--green);border-radius:50%;width:7px;height:7px}.snap-active{color:#107c10!important;background:#d4edda!important;border-color:#107c10!important}#snap-ind.snap-no{color:var(--red);border-color:var(--red);background:#ffe6e6f2;display:flex}#snap-ind.snap-no .snap-dot{background:var(--red)}#snap-ind.snap-warn{animation:.3s 2 alternate snap-flash;display:flex}@keyframes snap-flash{0%{background:#ffffffeb}to{border-color:var(--red);background:#ff50504d}}.bmap-btn.active{font-weight:600;background:var(--ribbon-btn-active)!important;border-color:var(--accent)!important;color:var(--accent)!important}#toast{z-index:3000;color:#fff;opacity:0;pointer-events:none;background:#333;border-radius:3px;padding:7px 14px;font-size:11px;transition:all .16s;position:fixed;bottom:60px;right:16px;transform:translateY(6px);box-shadow:0 2px 10px #0000004d}#toast.on{opacity:1;transform:translateY(0)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f0f0f0}::-webkit-scrollbar-thumb{background:silver;border-radius:2px}::-webkit-scrollbar-thumb:hover{background:#a0a0a0}.type-badge{text-transform:uppercase;border-radius:2px;padding:0 5px;font-family:Segoe UI,sans-serif;font-size:9px;font-weight:700;display:inline-block}.t-pt{color:#7a00cc;background:#f0e4ff;border:1px solid #d4a8ff}.t-ln{color:#0063b1;background:#dceeff;border:1px solid #a8d0ff}.t-pl{color:#107c10;background:#dff6dd;border:1px solid #92d98b}#coord-input{background:var(--control-bg);color:var(--text);border:1px solid var(--panel-border);outline:none}#coord-input:focus{border-color:var(--accent);box-shadow:0 0 3px #0078d44d}.layer-lock-btn{cursor:pointer;color:var(--text3);background:0 0;border:none;margin:0 2px;padding:2px 4px;font-size:11px;transition:color .15s}.layer-lock-btn:hover{color:var(--accent)}#rb-ortho.active{background:var(--ribbon-btn-active);border-color:var(--accent);color:var(--accent);font-weight:600}.layer-item{border-top:2px solid #0000;transition:border-color .1s}.layer-item[draggable=true]{cursor:move;opacity:.8}.layer-item[draggable=true]:hover{background:var(--accent-light)}.ol-layer .snap-candidate{stroke:#00b400;stroke-width:2px;fill:#00b4004d}.polar-guideline{stroke:#0078d4;stroke-width:1px;stroke-dasharray:4 4;fill:none;pointer-events:none}.perp-snap-line{stroke:#107c10;stroke-width:1px;stroke-dasharray:2 2;fill:none;pointer-events:none}#grid-canvas{pointer-events:none;z-index:4;position:absolute;top:0;left:0}#mode-ind.cad{background:#ff8c00eb}#sel-count{color:#fff;pointer-events:none;z-index:15;background:#000000a6;border-radius:10px;padding:2px 10px;font-size:11px;display:none;position:absolute;top:42px;left:50%;transform:translate(-50%)}#sel-count.on{display:block}.ol-dragbox{background-color:#0078d41a;border:1.5px dashed #0078d4}#rb-grid.active,#rb-gridsnap.active{background:var(--ribbon-btn-active);color:var(--accent)}.rbtns .rbtn-row{gap:2px;display:flex}#login-page{z-index:9999;background:radial-gradient(circle at 0 0,#0078d41f,#0000 32%),radial-gradient(circle at 100% 100%,#107c1014,#0000 28%),linear-gradient(#f8fbff 0%,#eef3f8 100%);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}#login-overlay{z-index:9999;background:#000000bf;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.login-box{background:var(--bg);border:1px solid var(--border);border-radius:18px;min-width:340px;max-width:440px;padding:32px 36px;box-shadow:0 18px 60px #1f34492e}.login-logo{background:var(--accent);color:#fff;border-radius:8px;justify-content:center;align-items:center;width:48px;height:48px;margin:0 auto 12px;font-size:24px;font-weight:700;display:flex}.login-mode-switch{grid-template-columns:1fr 1fr;gap:6px;margin-bottom:18px;display:grid}.login-mode-tab{border:1px solid var(--border);color:var(--text2);cursor:pointer;background:#00000005;border-radius:999px;padding:8px 10px;font-size:12px;font-weight:600;transition:all .15s}.login-mode-tab.active{background:var(--accent);border-color:var(--accent);color:#fff}.login-title{text-align:center;color:var(--text);margin-bottom:4px;font-size:18px;font-weight:600}.login-subtitle{color:var(--text3);text-align:center;margin-bottom:6px;font-size:12px}.login-mode-hint{color:var(--text2);text-align:center;margin-bottom:24px;font-size:12px}.login-form{flex-direction:column;gap:14px;display:flex}.login-field{flex-direction:column;gap:4px;display:flex}.login-field label{color:var(--text3);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.login-field input{background:var(--ribbon-bg);border:1px solid var(--border);color:var(--text);border-radius:4px;outline:none;padding:8px 10px;font-family:inherit;font-size:13px;transition:border-color .15s}.login-field input:focus{border-color:var(--accent)}.login-error{color:#d13438;text-align:center;min-height:16px;font-size:12px}.login-submit{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:4px;margin-top:4px;padding:9px 16px;font-size:13px;font-weight:600;transition:opacity .15s}.login-submit:hover{opacity:.9}.login-submit:disabled{opacity:.5;cursor:default}.login-server-err{color:#d13438;text-align:center;background:#d1343814;border:1px solid #d134384d;border-radius:4px;padding:8px;font-size:11px}.admin-page{background:linear-gradient(180deg, #0078d414 0%, #fff0 24%), var(--bg);min-height:100vh;color:var(--text);overflow:auto}.admin-shell{max-width:1380px;margin:0 auto;padding:36px 28px 48px}.admin-topbar{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.admin-topbar h1{margin-bottom:8px;font-size:28px}.admin-topbar p{color:var(--text2);font-size:13px}.admin-kicker{letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px;font-size:11px;font-weight:700}.admin-topbar-actions{flex-wrap:wrap;gap:10px;display:flex}.admin-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:24px;display:grid}.admin-stat-card,.admin-card{background:var(--surface-raised);border:1px solid var(--border);border-radius:18px;box-shadow:0 14px 32px #182c4014}.admin-stat-card{padding:18px 20px}.admin-stat-label{color:var(--text3);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px;font-size:11px}.admin-stat-value{font-size:28px;font-weight:700}.admin-grid{gap:18px;display:grid}.admin-grid-two{grid-template-columns:minmax(320px,420px) minmax(0,1fr)}.admin-card{padding:20px}.admin-card-header{margin-bottom:16px}.admin-card-header h2{margin-bottom:4px;font-size:18px}.admin-card-header p{color:var(--text3);font-size:12px}.admin-form-grid{gap:14px;display:grid}.admin-form-grid label{color:var(--text2);text-transform:uppercase;letter-spacing:.04em;flex-direction:column;gap:6px;font-size:11px;font-weight:600;display:flex}.admin-input,.admin-inline-input{border:1px solid var(--border);background:var(--control-bg);width:100%;color:var(--text);border-radius:10px;outline:none;padding:10px 12px;font-family:inherit;font-size:13px}.admin-input:focus,.admin-inline-input:focus{border-color:var(--accent)}.admin-form-actions{padding-top:4px}.admin-primary-btn,.admin-secondary-btn,.admin-inline-btn{cursor:pointer;border:1px solid #0000;border-radius:10px;padding:10px 14px;font-size:12px;font-weight:700;transition:opacity .15s,transform .15s}.admin-primary-btn{background:var(--accent);color:#fff}.admin-secondary-btn,.admin-inline-btn{color:var(--accent);background:#0078d414;border-color:#0078d429}.admin-primary-btn:hover,.admin-secondary-btn:hover,.admin-inline-btn:hover{opacity:.92}.admin-table-wrap{overflow:auto}.admin-table{border-collapse:collapse;width:100%}.admin-table th,.admin-table td{text-align:left;vertical-align:middle;border-bottom:1px solid #0000000f;padding:12px 10px}.admin-table th{color:var(--text3);text-transform:uppercase;letter-spacing:.06em;font-size:11px}.admin-table-title{font-size:13px;font-weight:700}.admin-table-subtitle{color:var(--text3);margin-top:4px;font-size:11px}.admin-empty{text-align:center;color:var(--text3);padding:28px 12px}.login-offline-btn-unused{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:3px;margin:6px auto 0;padding:4px 12px;font-size:11px;display:block}.save-mode-badge{border-radius:10px;align-items:center;gap:3px;padding:1px 6px;font-size:10px;font-weight:600;display:inline-flex}.save-mode-badge.local{color:var(--text3);background:#64646426}.save-mode-badge.db{color:#107c10;background:#107c1026}#project-browser-overlay .modal{max-height:80vh;overflow-y:auto}@media (width<=900px){.admin-topbar,.admin-grid-two,.admin-stats{grid-template-columns:1fr}.admin-shell{padding:20px 14px 32px}.login-box{width:calc(100vw - 28px);min-width:0;padding:24px 20px}.help-toolbar{flex-direction:column;align-items:stretch}.help-toolbar-text{min-width:0}#help-search{max-width:none;margin-left:0}}:root,:host{--ol-background-color:white;--ol-accent-background-color:#f5f5f5;--ol-subtle-background-color:#80808040;--ol-partial-background-color:#ffffffbf;--ol-foreground-color:#333;--ol-subtle-foreground-color:#666;--ol-brand-color:#0af}.ol-box{box-sizing:border-box;border:1.5px solid var(--ol-background-color);background-color:var(--ol-partial-background-color);border-radius:2px}.ol-mouse-position{position:absolute;top:8px;right:8px}.ol-scale-line{background:var(--ol-partial-background-color);border-radius:4px;padding:2px;position:absolute;bottom:8px;left:8px}.ol-scale-line-inner{border:1px solid var(--ol-subtle-foreground-color);color:var(--ol-foreground-color);text-align:center;will-change:contents, width;border-top:none;margin:1px;font-size:10px;transition:all .25s}.ol-scale-bar{position:absolute;bottom:8px;left:8px}.ol-scale-bar-inner{display:flex}.ol-scale-step-marker{background-color:var(--ol-foreground-color);float:right;z-index:10;width:1px;height:15px}.ol-scale-step-text{z-index:11;color:var(--ol-foreground-color);text-shadow:-1.5px 0 var(--ol-partial-background-color), 0 1.5px var(--ol-partial-background-color), 1.5px 0 var(--ol-partial-background-color), 0 -1.5px var(--ol-partial-background-color);font-size:10px;position:absolute;bottom:-5px}.ol-scale-text{text-align:center;color:var(--ol-foreground-color);text-shadow:-1.5px 0 var(--ol-partial-background-color), 0 1.5px var(--ol-partial-background-color), 1.5px 0 var(--ol-partial-background-color), 0 -1.5px var(--ol-partial-background-color);font-size:12px;position:absolute;bottom:25px}.ol-scale-singlebar{z-index:9;box-sizing:border-box;border:1px solid var(--ol-foreground-color);height:10px;position:relative}.ol-scale-singlebar-even{background-color:var(--ol-subtle-foreground-color)}.ol-scale-singlebar-odd{background-color:var(--ol-background-color)}.ol-unsupported{display:none}.ol-viewport,.ol-unselectable{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.ol-viewport canvas{all:unset;overflow:hidden}.ol-viewport{touch-action:pan-x pan-y}.ol-selectable{-webkit-touch-callout:default;-webkit-user-select:text;user-select:text}.ol-grabbing{cursor:-webkit-grabbing;cursor:-moz-grabbing;cursor:grabbing}.ol-grab{cursor:move;cursor:-webkit-grab;cursor:-moz-grab;cursor:grab}.ol-control{background-color:var(--ol-subtle-background-color);border-radius:4px;position:absolute}.ol-zoom{top:.5em;left:.5em}.ol-rotate{transition:opacity .25s linear,visibility linear;top:.5em;right:.5em}.ol-rotate.ol-hidden{opacity:0;visibility:hidden;transition:opacity .25s linear,visibility 0s linear .25s}.ol-zoom-extent{top:4.643em;left:.5em}.ol-full-screen{top:.5em;right:.5em}.ol-control button{color:var(--ol-subtle-foreground-color);font-weight:700;font-size:inherit;text-align:center;background-color:var(--ol-background-color);border:none;border-radius:2px;width:1.375em;height:1.375em;margin:1px;padding:0;line-height:.4em;text-decoration:none;display:block}.ol-control button::-moz-focus-inner{border:none;padding:0}.ol-zoom-extent button{line-height:1.4em}.ol-compass{will-change:transform;font-weight:400;display:block}.ol-touch .ol-control button{font-size:1.5em}.ol-touch .ol-zoom-extent{top:5.5em}.ol-control button:hover,.ol-control button:focus{outline:1px solid var(--ol-subtle-foreground-color);color:var(--ol-foreground-color);text-decoration:none}.ol-zoom .ol-zoom-in{border-radius:2px 2px 0 0}.ol-zoom .ol-zoom-out{border-radius:0 0 2px 2px}.ol-attribution{text-align:right;flex-flow:row-reverse;align-items:center;max-width:calc(100% - 1.3em);display:flex;bottom:.5em;right:.5em}.ol-attribution a{color:var(--ol-subtle-foreground-color);text-decoration:none}.ol-attribution ul{color:var(--ol-foreground-color);text-shadow:0 0 2px var(--ol-background-color);margin:0;padding:1px .5em;font-size:12px}.ol-attribution li{list-style:none;display:inline}.ol-attribution li:not(:last-child):after{content:" "}.ol-attribution img{max-height:2em;max-width:inherit;vertical-align:middle}.ol-attribution button{flex-shrink:0}.ol-attribution.ol-collapsed ul{display:none}.ol-attribution:not(.ol-collapsed){background:var(--ol-partial-background-color)}.ol-attribution.ol-uncollapsible{border-radius:4px 0 0;bottom:0;right:0}.ol-attribution.ol-uncollapsible img{max-height:1.6em;margin-top:-.2em}.ol-attribution.ol-uncollapsible button{display:none}.ol-zoomslider{height:200px;top:4.5em;left:.5em}.ol-zoomslider button{height:10px;position:relative}.ol-touch .ol-zoomslider{top:5.5em}.ol-overviewmap{bottom:.5em;left:.5em}.ol-overviewmap.ol-uncollapsible{border-radius:0 4px 0 0;bottom:0;left:0}.ol-overviewmap .ol-overviewmap-map,.ol-overviewmap button{display:block}.ol-overviewmap .ol-overviewmap-map{border:1px solid var(--ol-subtle-foreground-color);width:150px;height:150px}.ol-overviewmap:not(.ol-collapsed) button{position:absolute;bottom:0;left:0}.ol-overviewmap.ol-collapsed .ol-overviewmap-map,.ol-overviewmap.ol-uncollapsible button{display:none}.ol-overviewmap:not(.ol-collapsed){background:var(--ol-subtle-background-color)}.ol-overviewmap-box{border:1.5px dotted var(--ol-subtle-foreground-color)}.ol-overviewmap .ol-overviewmap-box:hover{cursor:move}.ol-overviewmap .ol-viewport:hover{cursor:pointer}