.lp-grid{grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr);gap:12px;margin-bottom:12px;display:grid}.lp-card{border:1px solid var(--border);background:var(--panel);border-radius:10px;padding:10px}.lp-card h4{margin:0;font-size:.95rem}.lp-card-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.lp-con-btns{gap:4px;display:flex}.btn-icon{border:1px solid var(--border);background:var(--bg-surface,var(--panel));width:1.6rem;height:1.6rem;color:var(--text);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;padding:0;font-size:1.1rem;line-height:1;display:flex}.btn-icon:hover{background:var(--border)}.btn-icon:disabled{opacity:.35;cursor:default}.lp-objective-form{gap:8px;display:grid}.lp-objective-row{grid-template-columns:minmax(130px,150px) minmax(0,1fr);align-items:center;gap:10px;display:grid}.lp-objective-label{margin:0}.lp-objective-row input,.lp-objective-row select{box-sizing:border-box;width:100%;min-width:0}.lp-c-row{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto auto minmax(0,1fr);align-items:center;gap:6px;max-width:100%;margin-bottom:6px;display:grid}#lp-constraints{width:100%;min-width:0}.lp-c-row input,.lp-c-row select{box-sizing:border-box;width:100%;min-width:0}.lp-note{color:var(--text-dim);margin-top:8px;font-size:.86rem}.lp-eq-wrap{margin:12px 0;overflow-x:auto}.lp-eq-table{border-collapse:collapse;font-variant-numeric:tabular-nums;white-space:nowrap;font-size:.92rem}.lp-eq-table td{vertical-align:baseline;padding:2px 8px 2px 2px}.et-label{color:var(--text-dim);white-space:nowrap;padding-right:14px;font-weight:600}.et-subject{vertical-align:top;padding-top:3px}.et-obj-expr{font-family:ui-monospace,monospace;font-size:1rem;font-weight:600}.et-lhs{text-align:right;font-family:ui-monospace,monospace}.et-ineq{text-align:center;color:var(--text-dim);padding:0 6px}.et-rhs{text-align:right;min-width:28px;font-family:ui-monospace,monospace}.et-nn{color:var(--text-dim);padding-top:4px;font-size:.85rem}.et-result-row td{border-top:1px solid var(--border);padding-top:10px}.et-result-label{color:var(--text-dim);padding-right:14px;font-weight:600}.et-result-vals{font-family:ui-monospace,monospace;font-size:.95rem}.et-result-vals strong{color:var(--accent,#6366f1)}.et-optimal{color:#10b981;font-weight:600}.et-infeasible{color:#ef4444}.et-unbounded{color:#f59e0b}.lp-canvas-shell{border:1px solid var(--border);background:var(--panel);border-radius:12px;padding:10px;position:relative}.lp-canvas-shell:fullscreen{background:var(--panel);justify-content:center;align-items:center;padding:12px;display:flex}.lp-canvas-shell:fullscreen canvas{max-width:100%;max-height:100%}.lp-legend{color:var(--text-dim);flex-wrap:wrap;gap:14px;margin:8px 0 10px;font-size:.85rem;display:flex}.lp-legend span{align-items:center;gap:6px;display:inline-flex}.lp-legend i{width:14px;height:10px;display:inline-block}.lp-legend .lg-line{border-top:2px solid #6366f1}.lp-legend .lg-area{background:#10b98140;border:1px solid #10b981cc}.lp-legend .lg-point{background:#ef4444;border-radius:50%;width:10px;height:10px}.lp-legend .lg-dash{border-top:2px dashed #ef4444}@media (width<=820px){.lp-grid{grid-template-columns:1fr}.lp-objective-row{grid-template-columns:minmax(120px,145px) minmax(0,1fr)}.lp-c-row{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto auto minmax(0,1fr)}}