:root{
 --canvas:#0b0b0b;--diagram-line:#828c9a;--diagram-text:#dfdfdf;
 --diagram-muted:#b3b3b3;--diagram-node:#1f1f1f;--diagram-active:#112c4d;
 --diagram-critical:#69b1ff;--diagram-supply:#003a8c;--diagram-boundary:#434d5b;
}
:root[data-theme=light]{
 --canvas:#fff;--diagram-line:#657285;--diagram-text:#182230;
 --diagram-muted:#506071;--diagram-node:#fff;--diagram-active:#e6f4ff;
 --diagram-critical:#0958d9;--diagram-supply:#0958d9;--diagram-boundary:#d6e4f5;
}
body{font-size:14px;line-height:1.5}
button,.button,input,select,textarea{font-size:13px}
button,.button{font-weight:500}
button:active:not(:disabled),.button:active{border-color:var(--accent);background:var(--accent-tint)}
button.primary:active{background:#003a8c}
.skip-link{position:fixed;top:8px;left:12px;z-index:100;padding:12px 18px;background:var(--surface);border:2px solid var(--accent);transform:translateY(-160%)}
.skip-link:focus{transform:none}
.app-menu{padding-inline:20px;gap:4px}
.app-name{font-size:17px;font-weight:650;margin-right:24px}
.app-name span{font-size:12px;font-weight:400}
.app-menu summary{font-size:13px;padding-inline:12px}
.app-toolbar{gap:8px;padding:12px 20px}
.toolbar-divider{height:24px;width:1px;background:var(--line);margin-inline:4px}
.app-toolbar .toolbar-label{font-size:12px}
.view-tabs{padding-inline:20px;gap:8px}
.view-tabs button{font-size:13px;min-width:96px;border-bottom-width:2px;background:none}
.view-tabs button[aria-selected=true]{background:none;color:var(--accent)}
.app-layout{grid-template-columns:276px minmax(0,1fr);min-height:calc(100dvh - 215px)}
.app-layout>aside{padding:20px 16px;border-right-color:var(--line)}
aside .panel{padding:0;border:0;background:transparent;margin-bottom:28px}
aside .panel-title{padding-bottom:12px;margin-bottom:16px}
aside .panel-title h2{font-size:14px}
aside label{font-size:13px;line-height:1.5;margin:16px 0}
aside label span{font-size:12px}
aside .project input{font-size:14px}
aside .project>p,aside .method-note,aside .project>button{font-size:12px}
aside .project>button{border:0;padding-left:0;background:none;min-height:44px}
aside .project>button:hover{color:var(--accent);background:var(--accent-tint);padding-left:10px}
.method-note{border-top:1px solid var(--line);padding-top:16px;line-height:1.7}
.method-note strong{font-size:13px}
.workspace{padding:24px;min-width:0}
.project-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}
.project-heading p{font-size:12px;color:var(--muted);margin:0 0 6px}
.project-heading h1{font-size:24px;line-height:1.35;font-weight:600;overflow-wrap:anywhere}
.workspace-state{font-size:12px;color:var(--accent);background:var(--accent-tint);border:1px solid var(--line);border-radius:4px;padding:6px 10px;flex-shrink:0}
.workspace-state[data-state=changed]{color:var(--warning);background:var(--surface-secondary)}
.workspace-state[data-state=error]{color:var(--error);background:var(--surface-secondary)}
.metrics{border-radius:6px;margin-bottom:24px;overflow:hidden}
.metrics>div{padding:16px 20px}
.metrics p{font-size:12px;margin-bottom:8px}
.metrics strong{font-size:26px;line-height:1.3;font-weight:550;letter-spacing:-.5px}
.metrics span{font-size:12px;margin-top:4px}
.workspace>.panel,.native-layout .panel{padding:20px;margin-bottom:20px}
.section-heading{margin-bottom:16px}
.section-heading h1,.section-heading h2,.panel>h1,.panel>h2{font-size:17px;font-weight:600}
.caption,.table-help,.methods>div,.method-note{font-size:13px}
.table-help{max-width:80ch;margin:12px 0 20px;line-height:1.7}
.legend{font-size:12px}
.legend i{background:var(--diagram-critical);height:3px;width:20px;margin-right:8px}
.schematic-scroll{background:var(--canvas);border-color:var(--line);min-height:350px;display:flex;align-items:center}
.schematic-scroll svg{flex-shrink:0;min-height:350px;max-height:none}
#schematic text{font-family:var(--font);font-size:12px;fill:var(--diagram-muted)}
#schematic text[font-weight="600"]{font-size:13px;fill:var(--diagram-text)}
#schematic text[fill="white"]{fill:#fff;font-size:17px}
#schematic path[stroke="#238367"]{stroke:var(--diagram-critical)}
#schematic path[stroke="#bdcfc0"]{stroke:var(--diagram-line)}
#schematic circle{fill:var(--diagram-supply)}
#schematic rect{fill:var(--diagram-node);stroke:var(--diagram-line)}
#schematic rect[fill="#e4f2e7"]{fill:var(--diagram-active);stroke:var(--diagram-critical)}
#graph path[stroke="#568eb9"]{stroke:var(--diagram-critical)}
#graph path[stroke="#568b73"],#graph circle{stroke:var(--diagram-line)}
#graph marker path{fill:var(--diagram-line)}
#graph circle[fill="#285c45"]{fill:var(--diagram-node)}
#graph circle[fill="#d9e5f1"]{fill:var(--diagram-boundary)}
#schematic{height:max(350px,calc(100dvh - 470px))!important}
.pane-footer{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:16px}
.pane-footer .caption{margin:0 auto 0 0;max-width:62ch;flex:1 1 260px}
.pane-footer button{background:transparent}
.table-wrap{border-radius:4px}
table{font-size:13px}
th{font-size:12px;font-weight:550;color:var(--muted);padding:12px 14px}
td{padding:12px 14px}
td input,td select{font-size:13px;padding:8px}
.table-wrap th:first-child,.table-wrap td:first-child{position:sticky;left:0;background:var(--surface);border-right:1px solid var(--line);z-index:1}
.table-wrap th:first-child{z-index:2;background:var(--surface-secondary)}
.results td:not(:first-child){text-align:right}
.critical-row td:first-child{background:var(--diagram-active);box-shadow:inset 3px 0 var(--accent)}
.critical-label{display:block;font-size:11px;color:var(--accent);font-weight:400}
.tag{font-size:12px;border-radius:4px}
#message:not(:empty){padding:14px 16px;font-size:13px;border-radius:4px;margin-bottom:20px}
.fitting-grid{gap:20px}.fitting-grid label{font-size:13px}
.fitting-output{padding:16px 0;border-block:1px solid var(--line)}
.fitting-output output{font-size:24px;font-variant-numeric:tabular-nums}
.methods>div{grid-template-columns:1fr;max-width:80ch;gap:12px;line-height:1.8}
.methods strong{font-size:14px}
.native-layout{padding:24px;min-height:calc(100dvh - 215px)}
.native-layout .project-heading{margin-bottom:16px}.native-layout .project-heading h1{font-size:20px}.native-layout .project-heading p{margin-bottom:4px}.native-layout .metrics>div{padding:12px 16px}
.native-project-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:20px}
.native-project-heading label{font-size:12px;color:var(--muted);margin:0;flex:1}
.native-project-heading #native-name{font-size:22px;line-height:1.35;font-weight:600;max-width:none;width:100%;margin:8px 0 0;padding:8px 12px}
.native-project-heading .native-actions{gap:8px;justify-content:flex-end}
.native-layout #native-status{font-size:13px;line-height:1.7;padding:12px 16px;border:1px solid var(--line);background:var(--surface);border-radius:4px;margin-bottom:20px}
#graph{height:max(350px,calc(100dvh - 510px));min-height:350px}
#graph text{fill:var(--diagram-text);stroke:var(--canvas);font:13px var(--font);stroke-width:5px}
#graph .node-label{fill:var(--diagram-muted);font-size:12px}
.record-panel pre{font-size:12px;line-height:1.7}
.app-status{font-size:12px;padding:10px 20px;gap:12px}
body[data-inspector=collapsed] .app-layout{grid-template-columns:minmax(0,1fr)}
body[data-inspector=collapsed] #design-panel{display:none}
@media(min-width:1600px){.workspace{padding:28px 36px}.native-layout{padding:28px 36px}}
@media(min-width:650px) and (max-width:1050px){body[data-inspector=collapsed] .metrics,.native-layout .metrics{grid-template-columns:repeat(4,minmax(0,1fr))}body[data-inspector=collapsed] .metrics>div,.native-layout .metrics>div{border-bottom:0;border-right:1px solid var(--line)}body[data-inspector=collapsed] .metrics>div:last-child,.native-layout .metrics>div:last-child{border-right:0}}
@media(max-width:1100px){.app-menu{padding-inline:16px}.app-name{margin-right:12px}.app-name span{display:none}.app-layout{grid-template-columns:248px minmax(0,1fr)}.workspace,.native-layout{padding:20px}.metrics>div{padding:14px 16px}.project-heading h1{font-size:22px}.native-project-heading{align-items:stretch;flex-direction:column;gap:12px}.native-project-heading .native-actions{justify-content:flex-start}}
@media(max-width:760px){.app-menu{padding-inline:12px}.app-name{width:auto;margin:0 auto 0 0;padding:0}.menu-right{margin-left:0}.app-menu summary{padding-inline:8px}.menu-right .status{display:none}.app-toolbar{padding:12px;gap:8px}.app-toolbar .toolbar-label{display:none}.toolbar-divider{display:none}.app-toolbar button,.app-toolbar .button{flex-grow:1}.view-tabs{padding-inline:12px;gap:4px}.view-tabs button{min-width:80px}.app-layout{display:flex;flex-direction:column}.app-layout>aside{padding:16px;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.workspace,.native-layout{padding:16px}.project-heading{margin-bottom:20px;align-items:flex-start;flex-wrap:wrap;gap:12px}.project-heading h1{font-size:22px}.project-heading p{font-size:12px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:20px}.metrics>div{padding:14px}.metrics strong{font-size:24px}.workspace>.panel,.native-layout .panel{padding:16px}.schematic-scroll,.schematic-scroll svg{min-height:310px}#schematic{height:330px!important}.pane-footer .caption{flex-basis:100%;margin-bottom:4px}.pane-footer button{flex:1}.methods>div{max-width:100%}.app-status{padding:12px 16px}.native-project-heading #native-name{font-size:20px}.native-project-heading .native-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}input,select,textarea,td input,td select{font-size:16px}.fitting-output button{flex:1;min-width:140px}}
@media(max-width:450px){.app-layout>aside{grid-template-columns:minmax(0,1fr)}.app-name{min-height:44px}.app-menu .menu-right{margin-left:auto}.app-menu{gap:0}.app-menu .menu-content{max-width:calc(100vw - 24px);min-width:190px}.app-menu details:has(summary:focus-visible){z-index:20}.metrics p{font-size:12px}.workspace-state{font-size:12px}.metrics strong{font-size:23px}.native-project-heading .native-actions{grid-template-columns:1fr}.table-wrap{max-width:100%}}
@media(max-width:450px){
 .app-menu .app-name{order:0;flex:1 1 calc(100% - 110px);margin:0}
 .app-menu .menu-right{order:1;margin:0;justify-content:flex-end;flex:0 0 auto}
 .app-menu details{order:2;flex:1 0 auto}
 .app-menu summary{font-size:12px;padding:12px 6px;text-align:center}
 .app-toolbar:has([data-inspector-toggle]){display:grid;grid-template-columns:repeat(6,minmax(0,1fr))}
 .app-toolbar:has([data-inspector-toggle])>button{grid-column:span 2;padding-inline:6px;font-size:12px}
 .app-toolbar:has([data-inspector-toggle])>#solve,.app-toolbar:has([data-inspector-toggle])>#fittings-window{grid-column:span 3}
 .app-toolbar:has([data-inspector-toggle])>a.button{display:none}
 .view-tabs{gap:0}.view-tabs button{min-width:0;flex:1;padding:10px 8px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.skip-link,.project-heading,.pane-footer button,.native-project-heading,.native-layout #native-status{display:none!important}.schematic-scroll{background:#fff}.workspace>.panel,.native-layout .panel{padding:12px}svg{--canvas:#fff;--diagram-line:#657285;--diagram-text:#182230;--diagram-muted:#506071;--diagram-node:#fff;--diagram-active:#e6f4ff;--diagram-critical:#0958d9;--diagram-supply:#0958d9}.table-wrap td:first-child{background:#fff;color:#000}.critical-label{color:#000}}