body{padding-top:48px}.stepper{margin:0 0 var(--pico-spacing) 0;gap:calc(var(--pico-spacing) * 1.5);padding:0;list-style:none;display:flex}.stepper-step{color:var(--pico-muted-color);align-items:center;gap:.5rem;font-size:.875rem;display:flex}.stepper-step--active{color:var(--pico-primary);font-weight:700}.stepper-number{border:2px solid;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:1.75rem;height:1.75rem;display:inline-flex}.stepper-step--done{color:var(--pico-color-orange-500,#e67e22)}.stepper-step--done .stepper-number{background-color:var(--pico-color-orange-500,#e67e22);border-color:var(--pico-color-orange-500,#e67e22);color:#fff}.drop-zones{gap:var(--pico-spacing);margin-bottom:var(--pico-spacing);grid-template-columns:1fr 1fr;display:grid}@media (width<=48em){.drop-zones{grid-template-columns:1fr}}.drop-zone{border:2px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);padding:var(--pico-spacing);text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:9rem;transition:border-color .15s,background .15s;display:flex}.drop-zone--required{border-style:solid}.drop-zone--optional{border-style:dashed}.drop-zone--dragover{border-color:var(--pico-primary);background:color-mix(in srgb, var(--pico-primary) 8%, transparent)}.drop-zone--loaded{border-color:var(--pico-color-jade-500,#2a9d8f)}.drop-zone__idle{flex-direction:column;align-items:center;gap:.25rem;display:flex}.drop-zone__hint{margin:0}.drop-zone__or{color:var(--pico-muted-color);margin:0}.drop-zone__hint-secondary{color:var(--pico-muted-color);margin:.25rem 0 0}.drop-zone__chip{flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;display:flex}.chip-icon{color:var(--pico-color-jade-500,#2a9d8f);font-size:1.25rem}.chip-name{word-break:break-all;font-weight:600}.chip-replace{margin:0;padding:.2rem .6rem;font-size:.8rem}.metadata-line{color:var(--pico-muted-color);margin-top:.25rem;margin-bottom:0;font-size:.875rem}.upload-error{color:var(--pico-del-color,#c0392b);margin-top:.25rem;margin-bottom:0;font-size:.875rem}.example-buttons{flex-wrap:wrap;gap:.5rem;margin-top:.5rem;display:flex}.example-buttons button{margin:0}.step-actions{margin-top:var(--pico-spacing);justify-content:flex-end;display:flex}.solver-pills{margin-bottom:var(--pico-spacing);flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.pill{margin:0;padding:.25rem .75rem;font-size:.875rem}.pill--active{background-color:var(--pico-primary);border-color:var(--pico-primary);color:var(--pico-primary-inverse)}#solver-select{height:auto;margin:0;padding:.25rem .5rem;font-size:.875rem}.config-panel{border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);padding:var(--pico-spacing);margin-bottom:var(--pico-spacing);min-height:5rem}.solver-kind-badge{color:var(--pico-muted-color);margin:0 0 var(--pico-spacing) 0;font-size:.8rem}.config-no-params{margin:0}.config-grid{gap:.5rem var(--pico-spacing);grid-template-columns:max-content 1fr;align-items:center;display:grid}.config-grid label{white-space:nowrap;margin:0;font-size:.875rem}.config-grid input[type=number]{height:auto;margin:0;padding:.25rem .5rem;font-size:.875rem}@media (width<=36em){.config-grid{grid-template-columns:1fr}}.checklist{margin:0 0 var(--pico-spacing) 0;flex-direction:column;gap:.5rem;padding:0;list-style:none;display:flex}.checklist-item{color:var(--pico-muted-color);align-items:center;gap:.5rem;font-size:.95rem;display:flex}.checklist-item:before{content:"○";flex-shrink:0;font-size:1rem}.checklist-item--met{color:var(--pico-color-jade-500,#2a9d8f)}.checklist-item--met:before{content:"✓"}.checklist-item--optional{font-style:italic}.checklist-item--optional:after{content:" (optional)";color:var(--pico-muted-color);font-size:.8rem}.step-actions--spread{justify-content:space-between}.tour-figure{border:1px solid var(--pico-muted-border-color);border-radius:var(--pico-border-radius);margin:0 0 var(--pico-spacing) 0;background:var(--pico-card-background-color,#fff);position:relative;overflow:hidden}.tour-svg{width:100%;height:auto;display:block}.tour-svg polyline.tour-solver{fill:none;stroke:var(--pico-color-orange-500,#e67e22);stroke-width:1.5px}.tour-svg polyline.tour-optimal{fill:none;stroke:#555;stroke-width:1px;stroke-dasharray:4 3}.tour-svg circle.city-dot{fill:var(--pico-color-orange-500,#e67e22)}.tour-svg .legend-solver{fill:var(--pico-color-orange-500,#e67e22);font-size:11px}.tour-svg .legend-optimal{fill:#555;font-size:11px}.solving-overlay{background:color-mix(in srgb, var(--pico-background-color,#fff) 85%, transparent);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.solving-overlay p{color:var(--pico-color-orange-500,#e67e22);margin:0;font-size:1.25rem;font-weight:700}.results-table{width:100%;margin-bottom:var(--pico-spacing)}.run-history-list{margin:0 0 var(--pico-spacing) 0;padding:0;list-style:none}.run-history-item{border-radius:var(--pico-border-radius);cursor:pointer;font-variant-numeric:tabular-nums;padding:.4rem .6rem;font-size:.875rem}.run-history-item:hover{background:color-mix(in srgb, var(--pico-primary) 8%, transparent)}.run-history-item:empty:before{content:"No runs yet.";color:var(--pico-muted-color)}.download-actions{margin-bottom:var(--pico-spacing);flex-wrap:wrap;gap:.5rem;display:flex}@media (width>=1024px){.step-04-body{gap:var(--pico-spacing);grid-template-columns:1fr 1fr;align-items:start;display:grid}}@media (width<=576px){.stepper-label{display:none}#btn-run{width:100%}.download-actions{flex-direction:column}.results-table{font-size:.85rem}}#app-footer{color:var(--pico-muted-color);border-top:1px solid var(--pico-muted-border-color);margin-top:var(--pico-spacing);align-items:center;gap:.5rem;padding-top:.75rem;padding-bottom:.75rem;font-size:.75rem;display:flex}.status-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px;display:inline-block}.status-dot--loading{background:#888}.status-dot--ready{background:#2da44e}.status-dot--error{background:#cf222e}