:root{--ink:#131b21;--muted:#57676f;--line:#c2ced4;--paper:#eef2f4;--surface:#fff;--surface-2:#e7edf0;--canvas-bg:#e7edf0;--accent:#175a8a;--accent-soft:#dbe9f2;--accent-ink:#0f4267;--hvac:#3f7cc9;--plumb:#2f9e8f;--elec:#c98a1d;--fire:#c0432f;--other:#7c5cbf;--font-display:"Big Shoulders Display", sans-serif;--font-ui:"Chivo", sans-serif;--font-mono:"Martian Mono", monospace;--font-hand:"Architects Daughter", cursive}.mep-app{height:100%;font-family:var(--font-ui);color:var(--ink);background:var(--paper);flex-direction:column;display:flex;position:relative}.mep-header{background:var(--surface);border:2px solid var(--ink);border-bottom:2px solid var(--ink);flex:none;align-items:center;gap:10px;height:40px;padding:0 14px;display:flex;position:relative}.mep-header .mep-fill{flex:1}.mep-header .mep-title{font-size:12.5px;font-family:var(--font-mono);letter-spacing:.01em;color:var(--ink);opacity:.85;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.mep-header-status{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;max-width:40ch;font-size:11px;overflow:hidden}.mep-menu{flex:none;position:relative}.mep-menu-btn{border:1.5px solid var(--ink);background:var(--surface);color:var(--ink);font-family:var(--font-ui);border-radius:3px;align-items:center;gap:6px;padding:6px 10px;font-size:11.5px;font-weight:700;display:inline-flex}.mep-menu-dropdown{background:var(--surface);border:2px solid var(--ink);min-width:200px;box-shadow:3px 3px 0 var(--ink);z-index:50;border-radius:4px;flex-direction:column;padding:5px;display:flex;position:absolute;top:calc(100% + 6px);left:0}.mep-menu-item{color:var(--ink);font-family:var(--font-ui);text-align:left;background:0 0;border:none;border-radius:3px;align-items:center;gap:8px;padding:8px 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var(--ink);font-size:12.5px;font-weight:600;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.03em;color:var(--ink);text-overflow:ellipsis;white-space:nowrap;border-radius:2px;align-items:center;gap:7px;max-width:42ch;padding:8px 13px;display:flex;overflow:hidden}.mep-discipline{gap:8px;display:flex}.mep-discipline-btn{color:var(--muted);background:var(--surface);border:1.5px solid var(--ink);font-size:12.5px;font-weight:700;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.03em;border-radius:3px;align-items:center;gap:6px;padding:7px 13px;display:flex}.mep-discipline-btn.on{background:var(--accent);color:#fff;border-color:var(--accent-ink);box-shadow:2px 2px #0f426759}.mep-stamps-filter{padding:10px 10px 0}.mep-stamps-filter .mep-discipline{flex-wrap:nowrap;gap:6px;padding-bottom:2px;overflow-x:auto}.mep-stamps-filter .mep-discipline-btn{white-space:nowrap;flex:none;padding:5px 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var(--line);background:var(--surface);width:18px;height:18px;color:var(--muted);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:0;display:flex;position:absolute;top:4px;right:4px}.mep-stamp-tile-duplicate:hover{border-color:var(--ink);color:var(--ink)}.mep-stamps-subtabs{gap:4px;padding:10px 10px 0;display:flex}.mep-stamps-subtab-btn{color:var(--muted);background:var(--surface-2);border:1.5px solid var(--ink);font-size:10.5px;font-weight:700;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.02em;border-radius:3px;flex:1;padding:6px 8px}.mep-stamps-subtab-btn.on{background:var(--accent);color:#fff;border-color:var(--accent-ink);box-shadow:2px 2px #0f426759}.mep-networktype-grid{grid-template-columns:repeat(2,1fr);gap:8px;padding:10px;display:grid}.mep-networktype-tile{border:1.5px solid var(--line);border-left:3px solid var(--line);background:var(--surface);border-radius:3px;align-items:center;display:flex;position:relative}.mep-networktype-tile.mep-discipline-hvac{border-left-color:var(--hvac)}.mep-networktype-tile.mep-discipline-plumbing{border-left-color:var(--plumb)}.mep-networktype-tile.mep-discipline-electrical{border-left-color:var(--elec)}.mep-networktype-tile.mep-discipline-fire{border-left-color:var(--fire)}.mep-networktype-tile.mep-discipline-other{border-left-color:var(--other)}.mep-networktype-tile.active{border-color:var(--accent);background:var(--accent-soft);box-shadow:2px 2px 0 var(--accent)}.mep-networktype-pick{text-align:left;background:0 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var(--ink);height:32px;color:var(--muted);font-size:11.5px;font-family:var(--font-mono);flex:none;align-items:center;gap:14px;padding:0 14px;display:flex}.mep-status .mep-fill{flex:1}.mep-chip{background:var(--surface-2);border:1px solid var(--line);border-radius:2px;padding:3px 9px}.mep-chip b{color:var(--ink)}.mep-zoom-chip,.mep-page-chip{align-items:center;gap:5px;display:flex}.mep-zoom-chip button,.mep-page-chip button{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:none;padding:0 2px;line-height:1}.mep-zoom-chip button:hover,.mep-page-chip button:hover{color:var(--ink)}.mep-zoom-chip button:disabled,.mep-page-chip button:disabled{opacity:.35;cursor:default}.mep-zoom-reset{cursor:pointer}.mep-zoom-reset:hover{text-decoration:underline}.mep-scale-bar{border:1.3px solid var(--ink);width:64px;height:7px;display:flex}.mep-scale-bar i{flex:1;font-style:normal}.mep-scale-bar 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var(--line);background:var(--surface);color:var(--ink);border-radius:2px;margin-bottom:12px;padding:6px 8px}.mep-modal--wide{width:min(1040px,95vw);max-width:min(1040px,95vw);height:min(720px,90vh);max-height:min(720px,90vh)}.mep-modal--wide .mep-modal-body{flex:auto;min-height:0;display:flex}.mep-ee-body{flex-direction:column;flex:auto;min-width:0;min-height:0;display:flex;position:relative}.mep-ee-confirm-close{z-index:30;background:#131b2166;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.mep-ee-confirm-close-box{background:var(--surface);border:2px solid var(--ink);box-shadow:4px 4px 0 var(--ink);text-align:center;border-radius:4px;padding:16px 20px}.mep-ee-confirm-close-box p{margin:0 0 12px;font-size:12.5px}.mep-ee-confirm-close-actions{justify-content:center;gap:8px;display:flex}.mep-ee-header{border-bottom:1.5px solid var(--line);flex-wrap:wrap;flex:none;align-items:center;gap:10px;margin-bottom:10px;padding-bottom:10px;display:flex}.mep-ee-header input,.mep-ee-header select{width:auto;margin-bottom:0}.mep-ee-header-wh{align-items:center;gap:8px;font-size:11px;display:flex}.mep-ee-header-wh label{align-items:center;gap:4px;display:flex}.mep-ee-header-wh input{width:52px}.mep-ee-header-import{padding:6px 10px;font-size:11px}.mep-ee-body>.mep-subtabs{flex:none}.mep-ee-grid{border:1.5px solid var(--line);border-radius:3px;flex:auto;grid-template-columns:44px 1fr 220px;min-height:0;display:grid;overflow:hidden}.mep-ee-rail{background:var(--surface);border-right:2px solid var(--ink);flex-direction:column;grid-column:1/2;align-items:center;gap:3px;padding:8px 0;display:flex;overflow-y:auto}.mep-ee-canvas-col{background:var(--surface-2);grid-column:2/3;justify-content:center;align-items:center;min-width:0;min-height:0;display:flex;overflow:hidden}.mep-ee-sidebar{border-left:1.5px solid var(--line);grid-column:3/4;min-width:0;padding:10px;overflow-y:auto}.mep-ee-sidebar .mep-section{border-bottom:none;padding:0 0 10px}.mep-ee-bar{border-top:1.5px solid var(--line);flex-wrap:wrap;flex:none;align-items:center;gap:10px;margin-top:8px;padding-top:8px;display:flex}.mep-ee-bar-cluster{align-items:center;gap:4px;display:flex}.mep-ee-bar-divider{background:var(--line);align-self:stretch;width:1.5px;margin:2px 0}.mep-ee-scale-field{color:var(--muted);align-items:center;gap:3px;font-size:10.5px;display:flex}.mep-ee-zoom-readout{text-align:center;min-width:34px;font-size:10.5px;font-family:var(--font-mono);color:var(--muted)}.mep-ee-angle-input{width:40px}.mep-ee-bar .mep-color-picker-popover{inset:auto auto calc(100% + 6px) 0}.mep-element-editor-preview{border:1.5px dashed var(--line);cursor:crosshair;background:var(--surface-2);border-radius:3px;width:100%;height:100%;position:relative;overflow:hidden}.mep-element-editor-preview img{object-fit:contain;pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.mep-element-editor-preview canvas{cursor:crosshair;width:100%;height:100%;position:absolute;inset:0}.mep-ee-artwork{transform-origin:0 0;pointer-events:none;position:absolute;top:0;left:0}.mep-shape-style-row{align-items:center;gap:10px;margin-bottom:8px;font-size:10.5px;display:flex}.mep-shape-style-row label{align-items:center;gap:4px;display:flex}.mep-element-editor-port{background:var(--accent);width:12px;height:12px;box-shadow:0 0 0 1px var(--ink);cursor:grab;pointer-events:auto;border:1.5px solid #fff;border-radius:50%;margin:-6px 0 0 -6px;position:absolute}.mep-element-editor-port.selected{background:#b3261e}.mep-element-editor-port-label{font-size:9px;font-family:var(--font-mono);color:var(--ink);background:var(--surface);white-space:nowrap;pointer-events:none;border-radius:2px;padding:1px 3px;position:absolute;transform:translate(8px,-8px)}.mep-element-editor-port-rename{width:90px;font-size:10.5px;font-family:var(--font-mono);pointer-events:auto;padding:2px 4px;position:absolute;transform:translate(-50%,-140%)}.mep-port-list-row{align-items:center;gap:6px;margin-bottom:4px;font-size:11px;display:flex}.mep-port-list-row input{flex:1;min-width:0}.mep-port-group-chip{border:1px solid var(--line);border-radius:10px;align-items:center;gap:4px;margin:0 6px 6px 0;padding:2px 8px;font-size:10.5px;display:inline-flex}.mep-section button.on{background:var(--accent);color:#fff;border-color:var(--accent)}.mep-draw-from-menu{z-index:50;background:var(--surface);border:2px solid var(--ink);min-width:150px;box-shadow:3px 3px 0 var(--ink);border-radius:4px;flex-direction:column;padding:4px;display:flex;position:absolute}.mep-draw-from-menu-btn{width:100%;color:var(--ink);font-family:var(--font-ui);text-align:left;white-space:nowrap;background:0 0;border:none;border-radius:3px;padding:6px 8px;font-size:11.5px;font-weight:600;display:block}.mep-draw-from-menu-btn:hover{background:var(--surface-2)}.mep-textbox-prompt{z-index:50;min-width:160px;font-family:var(--font-mono);background:var(--surface);border:1.5px solid var(--ink);box-shadow:2px 2px 0 var(--ink);resize:both;border-radius:2px;padding:6px 8px;font-size:13px;position:absolute}.mep-onboarding{z-index:200;background:var(--paper);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.mep-onboarding-card{text-align:center;max-width:460px;padding:32px}.mep-onboarding-card h1{font-family:var(--font-display);color:var(--ink);margin:0 0 16px;font-size:32px}.mep-onboarding-card p{color:var(--ink);margin:0 0 14px;line-height:1.5}.mep-onboarding-license{color:var(--muted);font-size:12.5px}.mep-onboarding-start{border:1.5px solid var(--ink);box-shadow:4px 4px 0 var(--ink);background:var(--accent);color:#fff;font-family:var(--font-display);cursor:pointer;border-radius:3px;margin-top:10px;padding:10px 28px;font-size:14px;font-weight:700}.mep-source-footer{background:var(--surface-2);color:var(--muted);border-left:2px solid var(--ink);border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);padding:4px 8px;font-size:11px}.mep-source-footer a{color:var(--accent-ink)}