/* Lab design (physics/assets/tools/lab-design.js). OWNED BY THIS TOOL ONLY.
   Loaded by the tool's script. Bench colors have light and dark values. */
:root{--ld-wood:#C99A62;--ld-wood-e:#A5763F;--ld-steel:#8C969D;--ld-glass:#5C6B73;--ld-liq:#7FBFE6;--ld-cart:#D55E00;--ld-det:#3B4A52;}
:root[data-theme="dark"]{--ld-wood:#8E6A3E;--ld-wood-e:#6E5230;--ld-steel:#AAB4BC;--ld-glass:#A9BAC3;--ld-liq:#2F78A8;--ld-cart:#FF9A5C;--ld-det:#9DB0BA;}
.ld-view{display:flex;gap:12px;align-items:stretch;min-height:0;flex:1;position:relative;}
.ld-bench-v{flex:1 1 0;min-width:0;min-height:0;display:flex;}
.ld-graph-v{flex:1.05 1 0;min-width:0;min-height:0;display:flex;flex-direction:column;gap:4px;justify-content:center;}
.ld-graph{flex:0 1 auto;min-height:0;display:flex;}
.ld-bench-v svg,.ld-graph svg{width:100%;height:100%;max-height:480px;display:block;}
.ld-view > .ld-vtoggle,.ls-root .ld-view > .ld-vtoggle.tseg{display:none;}
.ld-fitbox{font:700 14px/1.4 var(--font-ui);text-align:center;min-height:1.4em;}
.ld-fitbox p{margin:0;}
.ld-empty{color:var(--muted);}
.ld-fitline b{font-family:var(--font-mono);}
.ld-svg{font-family:var(--font-ui);}
.ld-svg text{fill:var(--ink);}
.ld-lab{font:800 14px var(--font-ui);}
.ld-mut{font:700 13px var(--font-ui);fill:var(--muted) !important;}
.ld-big{font:900 20px var(--font-mono);}
.ld-bench{fill:var(--ld-wood);} .ld-bench-e{fill:var(--ld-wood-e);}
.ld-steel{fill:var(--ld-steel);}
.ld-hook{fill:var(--ink);}
.ld-ramp{stroke:var(--ink);stroke-width:5;stroke-linecap:round;}
.ld-ramp-fill{fill:var(--paper);stroke:var(--line);stroke-width:1.5;}
.ld-track{fill:var(--ld-steel);}
.ld-cart{fill:var(--ld-cart);stroke:#7A2E0E;stroke-width:1.5;}
.ld-cart-hi{fill:#fff;fill-opacity:.35;}
.ld-wheel{fill:#2B3236;stroke:#111;stroke-width:1;}
.ld-hub{fill:#C9D0D5;}
.ld-det{fill:var(--ld-det);}
.ld-det-face{fill:#C9D0D5;stroke:#2B3236;stroke-width:1.5;}
.ld-beam{fill:var(--phys-s1);fill-opacity:.10;}
.ld-string{stroke:var(--ink);stroke-width:1.6;fill:none;}
.ld-plumb{stroke:var(--muted);stroke-width:1;stroke-dasharray:3 4;}
.ld-arc{stroke:var(--muted);stroke-width:1.5;fill:none;}
.ld-stick{fill:#F2D78A;stroke:#9C7A1E;stroke-width:1;}
:root[data-theme="dark"] .ld-stick{fill:#8C7535;}
.ld-tick{stroke:#5A4510;stroke-width:1;}
:root[data-theme="dark"] .ld-tick{stroke:#F5E6B8;}
.ld-dim{stroke:var(--muted);stroke-width:1.5;fill:none;}
.ld-watch{fill:var(--white);stroke:var(--ink);stroke-width:3;}
.ld-needle{stroke:var(--phys-s2);stroke-width:2.5;stroke-linecap:round;}
.ld-spring{stroke:var(--phys-s4);stroke-width:2.4;fill:none;stroke-linejoin:round;}
.ld-pulley{fill:var(--paper);stroke:var(--ink);stroke-width:2;}
.ld-wheel2{fill:var(--paper);stroke:var(--ink);stroke-width:3;}
.ld-spoke{stroke:var(--ld-steel);stroke-width:3;}
.ld-spool{fill:var(--ld-steel);stroke:var(--ink);stroke-width:1.5;}
.ld-scale{fill:var(--white);stroke:var(--ink);stroke-width:2;}
.ld-ptr{stroke:var(--phys-s2);stroke-width:3;}
.ld-liquid{fill:none;}
.ld-liquid2{fill:var(--ld-liq);fill-opacity:.5;}
.ld-surf{stroke:var(--ld-liq);stroke-width:2.5;}
.ld-glass{fill:none;stroke:var(--ld-glass);stroke-width:4;stroke-linejoin:round;}
.ld-hatch{stroke:var(--muted);stroke-width:1;}
.ld-dock{display:flex;flex-direction:column;gap:10px;}
.ld-pair{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.ld-pair.one{grid-template-columns:1fr;}
.ld-pair .bt-ctl{gap:2px;}
.ld-pair .bt-ctl label{font:800 12.5px var(--font-ui);color:var(--muted);}
.ld-pair select{width:100%;}
.ld-pair .ld-ivsel:empty{display:none;}
.ld-dock .bt-buttons{flex-wrap:nowrap;}
.ld-dock .bt-buttons > *{flex:1;}
/* Drill: the bench picture across the top (its own, larger drawing with an
   instrument shelf), the data table and, once chosen, the plot beneath. */
.ld-qfig{display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.ld-qbench{flex:none;min-width:0;border-radius:14px;overflow:hidden;}
.ld-qdata{flex:none;min-width:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;align-items:start;}
.ld-qdata .ld-qplot:empty{display:none;}
.ld-qdata:has(.ld-qplot:empty){grid-template-columns:minmax(0,1fr);}
.ld-qbench svg{width:100%;height:auto;max-height:min(420px,52vh);display:block;}
.ld-qplot svg{width:100%;height:auto;max-height:280px;}
.ld-qbench .ld-qsmall{display:none;}
.ld-wall{fill:var(--surface2);}
.ld-floor{fill:var(--line);}
.ld-cab{fill:var(--white);stroke:var(--line);stroke-width:2;}
.ld-shelf{fill:var(--ld-wood);}
.ld-tn{font:800 11.5px var(--font-ui);fill:var(--muted) !important;}
.ld-lcd{fill:#BFE3C9;}
.ld-led{fill:#E5484D;}
.ld-prot{fill:#DDEFF9;fill-opacity:.7;stroke:var(--ld-glass);stroke-width:1.5;}
:root[data-theme="dark"] .ld-lcd{fill:#3E7A52;} :root[data-theme="dark"] .ld-prot{fill:#2F78A8;fill-opacity:.35;}
.ld-qdata table{font-size:14px;}
.ls-root .ls-drill-stage .ld-qfig{overflow:auto;}
@media (max-width:700px){
  .ld-view{flex-direction:column;gap:6px;}
  .ld-view > .ld-vtoggle,.ls-root .ld-view > .ld-vtoggle.tseg{display:inline-flex;align-self:flex-start;flex:none;}
  .ld-vtoggle button{min-height:36px !important;}
  .ld-view .ld-graph-v{display:none;}
  .ld-view.show-graph .ld-graph-v{display:flex;}
  .ld-view.show-graph .ld-bench-v{display:none;}
  .ld-qdata{grid-template-columns:minmax(0,1fr);}
  .ld-qbench svg:not(.ld-qsmall){display:none;}
  .ld-qbench .ld-qsmall{display:block;max-height:240px;background:var(--surface2);}
  .ld-fitbox{display:none;}
  .ld-graph{flex:1 1 auto;}
  .ld-bench-v svg,.ld-graph svg{max-height:none;}
}
.ld-plotrow{display:flex;gap:8px;align-items:flex-end;}
.ld-plotrow .ld-plotsel{flex:1;min-width:0;}
.ld-plotrow .bt-select{flex-direction:row;align-items:center;gap:8px;}
.ld-plotrow .bt-select select{flex:1;min-width:0;width:100%;}
.ld-plotrow .ld-fit{flex:none;}