#js-tool-container-planar-truss-analysis-calculator .truss-app{display:flex;flex-direction:column;gap:22px;color:var(--text-primary);font-family:var(--font-sans)}
#js-tool-container-planar-truss-analysis-calculator .truss-app *{box-sizing:border-box}
#js-tool-container-planar-truss-analysis-calculator .tbcalc-fieldset{margin:0 0 16px;padding:16px 18px 18px;border:1px solid var(--border-color);border-radius:var(--radius-md)}
#js-tool-container-planar-truss-analysis-calculator .tbcalc-fieldset:last-child{margin-bottom:0}
#js-tool-container-planar-truss-analysis-calculator .tbcalc-legend{padding:0 7px;color:var(--text-secondary);font-size:.94rem;font-weight:650}
#js-tool-container-planar-truss-analysis-calculator .tb-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 20px}
#js-tool-container-planar-truss-analysis-calculator .tbcalc-span-all{grid-column:1/-1}
#js-tool-container-planar-truss-analysis-calculator .tbcalc-field{display:flex;min-width:0;flex-direction:column;gap:6px}
#js-tool-container-planar-truss-analysis-calculator .tbcalc-field label{color:var(--text-primary);font-size:.9rem;font-weight:650}
#js-tool-container-planar-truss-analysis-calculator .tb-textarea{width:100%;min-height:132px;resize:vertical;padding:10px 12px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text-primary);font:13px/1.45 var(--font-mono)}
#js-tool-container-planar-truss-analysis-calculator .tb-input{width:100%;height:44px;padding:0 12px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text-primary);font:inherit}
#js-tool-container-planar-truss-analysis-calculator .tbcalc-hint{color:var(--text-muted);font-size:.8rem;line-height:1.35}
#js-tool-container-planar-truss-analysis-calculator .tbcalc-section-note{margin:0}
#js-tool-container-planar-truss-analysis-calculator .truss-outcome,#js-tool-container-planar-truss-analysis-calculator .truss-preview,#js-tool-container-planar-truss-analysis-calculator .truss-details{display:flex;flex-direction:column;gap:14px}
#js-tool-container-planar-truss-analysis-calculator .truss-member-sheet{display:grid;gap:0;padding:0;grid-template-columns:minmax(120px,.28fr) minmax(240px,1fr) minmax(160px,.34fr);min-height:150px;overflow:hidden;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-secondary)}
#js-tool-container-planar-truss-analysis-calculator .truss-member-tag{display:flex;min-width:0;flex-direction:column;justify-content:space-between;gap:8px;padding:18px;border-right:1px solid var(--border-color);background:var(--accent-light)}
#js-tool-container-planar-truss-analysis-calculator .truss-member-tag span{color:var(--text-secondary);font-size:.72rem;letter-spacing:.045em;text-transform:uppercase}
#js-tool-container-planar-truss-analysis-calculator .truss-member-tag strong{color:var(--accent-primary);font:700 clamp(2rem,5vw,3.2rem)/1 var(--font-mono);overflow-wrap:anywhere}
#js-tool-container-planar-truss-analysis-calculator .truss-member-tag small{color:var(--text-secondary);font:600 .76rem var(--font-mono)}
#js-tool-container-planar-truss-analysis-calculator .truss-member-tag.is-long strong{font-size:1.35rem;line-height:1.15}
#js-tool-container-planar-truss-analysis-calculator .truss-member-tag.is-long small{font-size:.66rem;overflow-wrap:anywhere}
#js-tool-container-planar-truss-analysis-calculator .truss-member-force{display:flex;min-width:0;flex-direction:column;justify-content:center;gap:7px;padding:20px 24px}
#js-tool-container-planar-truss-analysis-calculator .tb-hero-label{color:var(--text-secondary);font-size:.78rem;font-weight:680;letter-spacing:.04em;text-transform:uppercase}
#js-tool-container-planar-truss-analysis-calculator .tb-hero-row{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
#js-tool-container-planar-truss-analysis-calculator .tb-hero-value{font-size:clamp(2.2rem,6vw,3.8rem);font-weight:760;line-height:.95}
#js-tool-container-planar-truss-analysis-calculator .tb-unit{color:var(--text-secondary);font-weight:650}
#js-tool-container-planar-truss-analysis-calculator .tb-hero-note{margin:0;color:var(--text-secondary);font-size:.84rem;line-height:1.4}
#js-tool-container-planar-truss-analysis-calculator .truss-member-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:18px;border-left:1px solid var(--border-color);background:var(--bg-tertiary);text-align:center}
#js-tool-container-planar-truss-analysis-calculator .truss-member-state strong{font-size:.96rem}
#js-tool-container-planar-truss-analysis-calculator .truss-member-state small{color:var(--text-secondary);font-size:.76rem;white-space:nowrap}
#js-tool-container-planar-truss-analysis-calculator .truss-axial-symbol{position:relative;display:block;width:96px;height:22px;color:var(--accent-primary)}
#js-tool-container-planar-truss-analysis-calculator .truss-axial-symbol i{position:absolute;top:10px;left:12px;right:12px;display:block;height:2px;background:currentColor}
#js-tool-container-planar-truss-analysis-calculator .truss-axial-symbol:before,#js-tool-container-planar-truss-analysis-calculator .truss-axial-symbol:after{position:absolute;top:5px;width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;content:""}
#js-tool-container-planar-truss-analysis-calculator .truss-axial-symbol:before{left:0;border-right:9px solid currentColor}
#js-tool-container-planar-truss-analysis-calculator .truss-axial-symbol:after{right:0;border-left:9px solid currentColor}
#js-tool-container-planar-truss-analysis-calculator .truss-member-state.is-compression .truss-axial-symbol{color:var(--warning)}
#js-tool-container-planar-truss-analysis-calculator .truss-member-state.is-compression .truss-axial-symbol:before{left:10px;border-right:0;border-left:9px solid currentColor}
#js-tool-container-planar-truss-analysis-calculator .truss-member-state.is-compression .truss-axial-symbol:after{right:10px;border-left:0;border-right:9px solid currentColor}
#js-tool-container-planar-truss-analysis-calculator .tb-status{padding:11px 14px;border-left:3px solid var(--accent-primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:var(--bg-tertiary);color:var(--text-secondary);font-size:.9rem;line-height:1.45}
#js-tool-container-planar-truss-analysis-calculator .tb-status.is-warn{border-left-color:var(--warning);background:var(--warning-light);color:var(--text-primary)}
#js-tool-container-planar-truss-analysis-calculator .tb-status.is-danger{border-left-color:var(--danger);background:var(--danger-light);color:var(--text-primary)}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum{display:flex;flex-direction:column;gap:10px;padding:14px 16px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-secondary)}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-head{display:flex;justify-content:space-between;gap:12px;color:var(--text-secondary);font-size:.76rem}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-head span:first-child{color:var(--text-primary);font-weight:680;text-transform:uppercase;letter-spacing:.035em}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-values{display:grid;grid-template-columns:1fr 34px 1fr;align-items:end}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-values strong{display:flex;align-items:baseline;gap:7px;font-size:1rem}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-values strong:first-child{justify-content:flex-end;text-align:right}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-values strong span{color:var(--text-secondary);font-size:.7rem;font-weight:600;text-transform:uppercase}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-values strong em{font-style:normal;white-space:nowrap}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-values>b{color:var(--text-muted);font:600 .7rem var(--font-mono);text-align:center}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-track{display:grid;grid-template-columns:1fr 2px 1fr;align-items:center;height:12px}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-track>span{display:flex;height:8px;background:var(--bg-tertiary)}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-track>b{display:block;height:12px;background:var(--text-muted);opacity:.55}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-track i{display:block;width:0;height:100%;transition:width .2s ease}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-negative{justify-content:flex-end}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-negative i{background:var(--warning)}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-positive i{background:var(--accent-primary)}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-counts{display:flex;justify-content:center;gap:20px;color:var(--text-secondary);font-size:.74rem}
#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-counts output{color:var(--text-primary);font-weight:700}
#js-tool-container-planar-truss-analysis-calculator .truss-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:hidden;border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.8rem}
#js-tool-container-planar-truss-analysis-calculator .truss-summary span{padding:10px 12px;border-right:1px solid var(--border-color)}
#js-tool-container-planar-truss-analysis-calculator .truss-summary span:last-child{border-right:0;text-align:right}
#js-tool-container-planar-truss-analysis-calculator .truss-summary span:nth-child(2){text-align:center}
#js-tool-container-planar-truss-analysis-calculator .truss-summary strong{color:var(--text-primary)}
#js-tool-container-planar-truss-analysis-calculator .truss-canvas-wrap{position:relative;width:100%;height:clamp(300px,42vw,450px);min-height:0;overflow:hidden;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-tertiary);contain:layout}
#js-tool-container-planar-truss-analysis-calculator .truss-canvas-wrap canvas{display:block;width:100%;height:100%}
#js-tool-container-planar-truss-analysis-calculator .truss-canvas-desc{margin:0;color:var(--text-muted);font-size:.82rem;line-height:1.4}
#js-tool-container-planar-truss-analysis-calculator .truss-legend{display:flex;gap:16px;flex-wrap:wrap;color:var(--text-secondary);font-size:.8rem}
#js-tool-container-planar-truss-analysis-calculator .truss-legend span{display:flex;align-items:center;gap:6px}
#js-tool-container-planar-truss-analysis-calculator .truss-legend i{display:block;width:22px;height:3px;border-radius:99px;background:var(--accent-primary)}
#js-tool-container-planar-truss-analysis-calculator .truss-legend .truss-key-compression{background:var(--warning)}
#js-tool-container-planar-truss-analysis-calculator .truss-legend .truss-key-shape{height:0;border-top:2px dashed var(--text-muted);background:transparent}
#js-tool-container-planar-truss-analysis-calculator .truss-table-wrap{overflow-x:auto;border:1px solid var(--border-color);border-radius:var(--radius-md)}
#js-tool-container-planar-truss-analysis-calculator .truss-table{width:100%;border-collapse:collapse;font-size:.84rem}
#js-tool-container-planar-truss-analysis-calculator .truss-table caption{padding:10px 12px;color:var(--text-secondary);text-align:left;font-weight:650}
#js-tool-container-planar-truss-analysis-calculator .truss-table th,#js-tool-container-planar-truss-analysis-calculator .truss-table td{padding:9px 12px;border-top:1px solid var(--border-color);text-align:right;white-space:nowrap}
#js-tool-container-planar-truss-analysis-calculator .truss-table th:first-child,#js-tool-container-planar-truss-analysis-calculator .truss-table td:first-child,#js-tool-container-planar-truss-analysis-calculator .truss-table th:nth-child(2),#js-tool-container-planar-truss-analysis-calculator .truss-table td:nth-child(2){text-align:left}
#js-tool-container-planar-truss-analysis-calculator .truss-table th{color:var(--text-secondary);font-weight:650}
#js-tool-container-planar-truss-analysis-calculator .truss-table .is-compression{color:var(--warning)}
#js-tool-container-planar-truss-analysis-calculator .truss-table .is-tension{color:var(--accent-primary)}
#js-tool-container-planar-truss-analysis-calculator .truss-reactions{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 14px;border-left:3px solid var(--accent-primary);background:var(--bg-tertiary);color:var(--text-secondary);font-size:.83rem}
#js-tool-container-planar-truss-analysis-calculator .truss-reactions strong{color:var(--text-primary)}
#js-tool-container-planar-truss-analysis-calculator .tb-formula-block{margin:0;padding:12px 14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-tertiary);color:var(--text-secondary);overflow-x:auto}
#js-tool-container-planar-truss-analysis-calculator .tb-formula-main{font-family:var(--font-mono);font-size:.8rem}
@media (max-width:820px){#js-tool-container-planar-truss-analysis-calculator .truss-member-sheet{grid-template-columns:110px minmax(0,1fr)}#js-tool-container-planar-truss-analysis-calculator .truss-member-state{grid-column:1/-1;flex-direction:row;min-height:58px;border-top:1px solid var(--border-color);border-left:0}#js-tool-container-planar-truss-analysis-calculator .truss-axial-symbol{width:80px}#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-head span:last-child{display:none}}
@media (max-width:680px){#js-tool-container-planar-truss-analysis-calculator .tb-grid-2{grid-template-columns:1fr}#js-tool-container-planar-truss-analysis-calculator .tbcalc-span-all{grid-column:auto}#js-tool-container-planar-truss-analysis-calculator .truss-outcome,#js-tool-container-planar-truss-analysis-calculator .truss-preview,#js-tool-container-planar-truss-analysis-calculator .truss-details{gap:12px}#js-tool-container-planar-truss-analysis-calculator .truss-member-sheet{grid-template-columns:88px minmax(0,1fr)}#js-tool-container-planar-truss-analysis-calculator .truss-member-tag{padding:14px 12px}#js-tool-container-planar-truss-analysis-calculator .truss-member-force{padding:17px 14px}#js-tool-container-planar-truss-analysis-calculator .truss-summary{grid-template-columns:1fr}#js-tool-container-planar-truss-analysis-calculator .truss-summary span,#js-tool-container-planar-truss-analysis-calculator .truss-summary span:nth-child(2),#js-tool-container-planar-truss-analysis-calculator .truss-summary span:last-child{text-align:left;border-right:0;border-bottom:1px solid var(--border-color)}#js-tool-container-planar-truss-analysis-calculator .truss-summary span:last-child{border-bottom:0}#js-tool-container-planar-truss-analysis-calculator .truss-canvas-wrap{height:300px}}
@media (max-width:420px){#js-tool-container-planar-truss-analysis-calculator .truss-member-sheet{grid-template-columns:1fr}#js-tool-container-planar-truss-analysis-calculator .truss-member-tag{min-height:78px;display:grid;grid-template-columns:minmax(0,1fr) minmax(92px,.8fr);grid-template-rows:auto auto;align-items:center;border-right:0;border-bottom:1px solid var(--border-color)}#js-tool-container-planar-truss-analysis-calculator .truss-member-tag span{grid-column:1;grid-row:1;max-width:90px}#js-tool-container-planar-truss-analysis-calculator .truss-member-tag strong{grid-column:1;grid-row:2}#js-tool-container-planar-truss-analysis-calculator .truss-member-tag small{grid-column:2;grid-row:1/3;text-align:right;overflow-wrap:anywhere}#js-tool-container-planar-truss-analysis-calculator .truss-member-state{grid-column:auto;padding:12px}#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-values{grid-template-columns:1fr 22px 1fr}#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-values strong{flex-direction:column;gap:2px}#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-values strong:first-child{align-items:flex-end}#js-tool-container-planar-truss-analysis-calculator .truss-spectrum-counts{justify-content:space-between;gap:7px}}