:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:13px;color-scheme:light;--page:#f0f0f0;--panel:#fff;--panel-subtle:#f5f5f5;--text:#242424;--muted:#666;--line:#d6d6d6;--accent:#333;--canvas:#fafafa;--canvas-text:#333;--member:#287fc4;--member-secondary:#287fc4;--node:#299a62;--selected:#d65b62;--selection-fill:#d65b6222;--grid:#e9e9e9;--axis:#c5c5c5;--support:#777;--load:#bd741d;--load-text:#996018;--result:#8061b2;--deformed:#bd741d;--active:#eee;--input:#fff}
:root[data-theme=dark]{color-scheme:dark;--page:#141414;--panel:#1d1d1d;--panel-subtle:#252525;--text:#ededed;--muted:#a4a4a4;--line:#3c3c3c;--accent:#ededed;--canvas:#171717;--canvas-text:#ddd;--member:#65b1ee;--member-secondary:#65b1ee;--node:#66c994;--selected:#ee8287;--selection-fill:#ee828722;--grid:#232323;--axis:#393939;--support:#aaa;--load:#e5b069;--load-text:#e9ba7a;--result:#b7a1e2;--deformed:#e5b069;--active:#303030;--input:#191919}
*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--page);color:var(--text);height:100dvh;display:flex;flex-direction:column;overflow:hidden}button,input,select{font:inherit;color:inherit}button{border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:8px 11px;cursor:pointer;transition:background .15s,border-color .15s}button:hover{background:var(--active);border-color:var(--muted)}button:disabled{opacity:.45;cursor:default}input,select{min-width:0;width:100%;padding:8px;border:1px solid var(--line);border-radius:5px;background:var(--input)}input[type=checkbox]{width:auto;accent-color:var(--node)}input[readonly]{color:var(--muted);background:var(--panel-subtle)}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--member);outline-offset:3px}.primary{background:var(--text);color:var(--panel);border-color:var(--text);font-weight:650}.primary:hover{background:var(--muted);color:var(--panel)}.danger,.form-error,.fail{color:var(--selected)}.pass{color:var(--node)}header{display:flex;align-items:center;gap:9px;padding:12px 22px;height:76px;flex-shrink:0;background:var(--panel);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;min-width:205px}.brand strong{letter-spacing:2px;font-size:14px}.logo{position:relative;font-size:26px;font-weight:750;width:38px}.logo span{font-size:12px;position:absolute;top:0;right:7px}.project-name{margin-right:auto;min-width:130px;max-width:420px;flex:1}.project-name input{font-size:15px;font-weight:600;padding:0;border:0;background:transparent}.project-name span{display:block;color:var(--muted);font-size:10px;margin-top:5px}.push{margin-left:auto}.steps{display:flex;align-items:stretch;gap:6px;padding:0 22px;background:var(--panel);border-bottom:1px solid var(--line);flex-shrink:0}.steps button{position:relative;border:0;border-radius:0;padding:17px 22px;background:transparent;color:var(--muted)}.steps button b{font-size:10px;margin-right:9px;color:var(--muted)}.steps button.active{color:var(--text);font-weight:650}.steps button.active:after{content:'';position:absolute;bottom:0;left:18px;right:18px;height:3px;background:var(--text)}.steps button.active b{color:var(--text)}.topbar{display:flex;align-items:center;gap:4px;padding:7px 18px;border-bottom:1px solid var(--line);background:var(--panel-subtle);flex-shrink:0;min-height:43px}.topbar button{font-size:11px;border:0;background:transparent;padding:6px 9px}.divider{height:18px;border-left:1px solid var(--line);margin:0 7px}main{flex:1;min-height:0;display:grid;grid-template-columns:230px 275px minmax(320px,1fr)}aside{min-height:0;overflow:auto;background:var(--panel);padding:22px 15px;border-right:1px solid var(--line)}.left{display:flex;flex-direction:column}.properties{padding:22px 18px}.panel-title{font-size:10px;letter-spacing:1.5px;font-weight:650;color:var(--muted);margin-bottom:19px}.tools{display:grid;grid-template-columns:1fr 1fr;gap:6px}.tools button{text-align:left;font-size:11px}.tools button.active{border-color:var(--muted);background:var(--active)}.section-head{display:flex;align-items:center;gap:8px;justify-content:space-between;margin:20px 0 9px}.section-head h2{font-size:12px;margin:0;font-weight:600}.section-head button{padding:3px 8px}.badge{font-size:10px;border-radius:4px;padding:2px 6px;background:var(--panel-subtle);color:var(--muted)}.item-list{display:grid;gap:3px}.item{display:flex;width:100%;align-items:center;gap:6px;border:1px solid transparent;padding:9px 8px;background:transparent;text-align:left;font-size:11px;min-width:0}.item span{min-width:0;overflow-wrap:anywhere}.item span:first-child{font-weight:600}.item small{font-size:10px;color:var(--muted);font-weight:400;margin-left:auto}.item.active{color:var(--selected);border-color:var(--selected);background:var(--selection-fill)}.item.active small{color:inherit}.empty,.empty-state{color:var(--muted);font-size:12px;line-height:1.7;padding:8px 0}.empty-state{padding:28px 0}.wide{width:100%;margin-top:9px}.sidebar-bottom{margin-top:auto;padding-top:24px}.units{color:var(--muted);font-size:10px;line-height:1.7}.hint,.small,.note,.legend{color:var(--muted);font-size:11px;line-height:1.7}.form{display:grid;gap:12px}.form label,.control{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:11px}.control{margin-bottom:16px}.form .check{flex-direction:row;align-items:center}.form h3{font-size:10px;letter-spacing:.6px;color:var(--muted);margin:12px 0 0}.form h2{font-size:17px;margin:0 0 8px}.form .note{margin:0}.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.three-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.inspector-title{font-size:18px;margin:0 0 20px;font-weight:600}details{margin-top:18px}summary{cursor:pointer;font-size:11px;color:var(--muted);padding:8px 0}details[open]>summary{margin-bottom:12px}.connection-end{display:grid;gap:9px;border:1px solid var(--line);border-radius:6px;padding:12px}.connection-end strong{font-size:11px}#detailInspector .form{margin-top:8px}.properties .note{display:none}.connection-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.workspace{min-width:0;min-height:0;display:flex;flex-direction:column;overflow:hidden}.canvasbar{display:flex;align-items:center;gap:12px;padding:12px 20px;min-height:60px;background:var(--panel);border-bottom:1px solid var(--line);flex-shrink:0}.canvasbar>span{font-size:12px}.canvasbar #caseLabel{color:var(--muted)}#solveBtn{font-size:13px;padding:12px 20px}#workspaceTitle{font-weight:600}.drawing{position:relative;flex:1;min-height:220px;background:var(--canvas);overflow:hidden}#canvas{display:block;width:100%;height:100%;touch-action:none;user-select:none}svg text{font-family:inherit;font-weight:500;pointer-events:none}svg line:not([data-kind]),svg circle:not([data-kind]),svg path,svg polygon,svg polyline,svg rect{pointer-events:none}.canvas-status{position:absolute;top:16px;left:20px;pointer-events:none;color:var(--muted);font-size:10px}.canvas-controls{position:absolute;bottom:16px;left:20px;display:flex;align-items:center;gap:8px;font-size:10px;background:var(--panel);border:1px solid var(--line);padding:5px;border-radius:6px}.canvas-controls label{display:flex;gap:4px;align-items:center}.canvas-controls input[type=number]{width:55px;padding:5px}.canvas-controls button{border:0;padding:5px 8px}.results{background:var(--panel);padding:0 20px 16px;border-top:1px solid var(--line);height:260px;max-height:45vh;overflow:auto;flex-shrink:0}.results .section-head{justify-content:flex-start;margin-top:15px}.results h2 span{font-size:10px;font-weight:400;color:var(--muted)}.station-control{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted);margin-left:auto}.summary{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:11px;color:var(--muted);line-height:1.7;margin-bottom:12px}.metric{padding:5px 9px;background:var(--panel-subtle);border-radius:4px}.metric b{color:var(--text)}table{width:100%;border-collapse:collapse;font-size:11px}th,td{text-align:right;border-bottom:1px solid var(--line);padding:10px 9px;white-space:nowrap}th{font-weight:600;color:var(--muted);background:var(--panel-subtle);position:sticky;top:0}th:first-child,td:first-child{text-align:left}th small{display:block;font-weight:400;margin-top:5px}.table-wrap{overflow:auto}.zero{color:var(--muted);opacity:.6}.document-page{overflow:auto;padding:38px 36px;background:var(--canvas);flex:1;min-height:0}.page-heading{margin-bottom:28px}.eyebrow{font-size:10px;letter-spacing:1.5px;color:var(--muted)}h1{font-size:28px;font-weight:550;letter-spacing:-.7px;margin:12px 0}#combinationStatus{font-size:12px;color:var(--muted)}.settings-form,.shortcut-card{max-width:620px;border:1px solid var(--line);background:var(--panel);padding:24px;border-radius:8px;margin-bottom:20px}.shortcut-card h2{font-size:17px;margin-top:0}.shortcut-card td{text-align:left}kbd{font:11px ui-monospace,monospace;color:var(--text)}.check-status{font-size:11px;line-height:1.7;color:var(--muted);padding:18px 0}.load-group{margin-bottom:10px}.group{background:var(--panel-subtle)}.group .badge{margin-left:auto}.group small,.load-item small{display:block;margin:5px 0 0}.load-item{padding-left:17px;font-size:10px}.load-item small{font-size:10px}.loads-menu .item-list{display:block}.loads-menu .section-head{margin-top:0}#memberMesh label{display:flex;flex-direction:row;align-items:center;gap:10px;margin-bottom:9px}#memberMesh input{width:100px;margin-left:auto}svg g[data-load-index] line,svg g[data-load-index] path{pointer-events:stroke;cursor:pointer}svg .selected-load line,svg .selected-load path{stroke:var(--selected)!important;stroke-width:2.5px}svg .selected-load text{fill:var(--selected)!important}dialog{border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);padding:25px;width:620px;max-width:calc(100vw - 30px);max-height:85vh;box-shadow:0 24px 90px #0006}dialog::backdrop{background:#0008}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.dialog-head h2{font-size:19px;margin:0}.dialog-head button{border:0}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.project-row{display:flex;gap:8px;padding:10px 0;border-bottom:1px solid var(--line)}.project-row button:first-child{flex:1;text-align:left}.example-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.example-card{display:flex;flex-direction:column;align-items:flex-start;gap:14px;text-align:left;padding:20px;min-height:145px}.example-number{font-size:11px;color:var(--muted)}.example-card strong{font-size:15px;font-weight:550}.example-card small{color:var(--muted);font-size:11px}#toast{display:none;position:fixed;bottom:22px;right:22px;max-width:500px;padding:14px 20px;background:var(--text);color:var(--panel);border-radius:7px;box-shadow:0 4px 30px #0003;z-index:30;font-size:12px}#toast.error{background:#8b363c;color:white}#psiFields{display:grid;gap:12px}.combination-list{max-height:350px;overflow:auto}
.loads-menu,.combination-menu,.results-menu,#combinationPage,#settingsPage{display:none}body:not([data-step=structure]) .structure-menu,body:not([data-step=structure]) .topbar,body:not([data-step=results]) .results,body[data-step=structure] #solveBtn,body[data-step=loads] #solveBtn{display:none}body[data-step=loads] .loads-menu,body[data-step=combinations] .combination-menu,body[data-step=results] .results-menu{display:block}body[data-step=combinations] #combinationPage,body[data-step=settings] #settingsPage{display:block}body[data-step=combinations] .drawing,body[data-step=settings] .drawing,body[data-step=settings] .canvasbar{display:none}body[data-step=combinations] main,body[data-step=results] main,body[data-step=settings] main{grid-template-columns:230px minmax(320px,1fr)}body[data-step=combinations] .properties,body[data-step=results] .properties,body[data-step=settings] .properties{display:none}body[data-step=settings] .left .units{display:none}body[data-step=settings] .left:before{content:'EINSTELLUNGEN';font-size:10px;letter-spacing:1.5px;color:var(--muted)}
@media(max-width:1150px){main{grid-template-columns:205px 245px minmax(280px,1fr)}header{padding:12px}.brand{min-width:160px}.brand strong{font-size:12px}.steps button{padding:15px}.properties{padding:18px 13px}.steps{padding:0 10px}.document-page{padding:26px 22px}}
@media(max-width:850px){header{flex-wrap:wrap;height:auto;gap:7px}.brand{min-width:145px}.project-name{max-width:none}header button{font-size:11px;padding:7px}.steps{overflow-x:auto}.steps button{white-space:nowrap;font-size:12px;padding:14px 12px}.steps button b{margin-right:5px}.topbar{overflow:auto;flex-wrap:nowrap}.topbar button{white-space:nowrap}main{grid-template-columns:180px 220px minmax(250px,1fr);overflow-x:auto}.left{padding:18px 10px}body[data-step=combinations] main,body[data-step=results] main,body[data-step=settings] main{grid-template-columns:190px minmax(280px,1fr)}.canvasbar{padding:10px 12px}#solveBtn{padding:10px 12px;font-size:12px}.results{padding:0 12px 12px}.canvas-controls{left:10px;bottom:10px;gap:3px}.canvas-controls label{font-size:9px}.canvas-controls input[type=number]{width:42px}}
@media(max-width:600px){body{overflow:auto;height:auto;min-height:100dvh}header .brand{min-width:140px}.project-name{flex:1}main{flex:initial;display:grid;grid-template-columns:1fr 1fr;overflow:visible}.workspace{grid-column:1/-1;grid-row:2;min-height:650px}aside{max-height:400px}.left,.properties{border-bottom:1px solid var(--line)}.steps{padding:0}.steps button{padding:13px 9px}.steps button b{display:none}.steps .push{margin-left:0}body[data-step=combinations] main,body[data-step=results] main,body[data-step=settings] main{display:flex;flex-direction:column}body[data-step=results] .results-menu{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}body[data-step=results] .left{max-height:none}.sidebar-bottom{padding-top:10px}.canvasbar #workspaceTitle{display:none}.document-page{padding:22px 16px}.example-grid{grid-template-columns:1fr}.results{max-height:350px}.shortcut-card,.settings-form{padding:16px}.shortcut-card td{white-space:normal}}

body[data-step=loads][data-load-selected=false] main{grid-template-columns:230px minmax(320px,1fr)}body[data-step=loads][data-load-selected=false] .properties{display:none}

@media(max-width:600px){body[data-step=loads][data-load-selected=false] main{grid-template-columns:1fr}body[data-step=loads][data-load-selected=false] .workspace{grid-column:1;grid-row:2}}
/* v1.4: compact tables, result-only solve action, fixed selection tool. */
body[data-step=combinations] .left{display:none}
body[data-step=combinations] main{grid-template-columns:minmax(0,1fr)}
body[data-step=combinations] .workspace{grid-column:1}
#combinationTable table,#resultTable table{width:max-content;max-width:none}
#combinationTable th,#combinationTable td,#resultTable th,#resultTable td{padding:6px 10px}
#combinationTable th small{max-width:140px;overflow:hidden;text-overflow:ellipsis}
#resultTable .table-wrap,#combinationTable .table-wrap{max-width:100%}
#combinationPage .page-heading{margin-bottom:20px}
#combinationPage{padding-top:28px}
body:not([data-step=results]) #solveBtn{display:none}
body[data-step=results] #solveBtn{display:block;width:100%;padding:14px 18px;margin-top:14px}
body[data-step=results] .sidebar-bottom{position:sticky;bottom:-22px;background:var(--panel);padding-bottom:12px;border-top:1px solid var(--line)}
#memberCount{margin-left:auto}
@media(max-width:600px){body[data-step=combinations] main{display:flex}body[data-step=results] .sidebar-bottom{position:static}}