:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#27332e;background:#fff;line-height:1.5;font-synthesis:none;--green:#137968;--muted:#5f6b65;--line:#e4e8e4}*{box-sizing:border-box}body{margin:0}a{color:var(--green);text-underline-offset:4px}button,select,input{font:inherit;color:inherit}button,select{border:1px solid var(--line);border-radius:5px;background:#fff;padding:6px 9px;font-size:12px}button{cursor:pointer}button:hover{background:#f0f5f1}button:disabled{cursor:default;opacity:.5}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid #3e5fc4;outline-offset:3px}.app-header{display:flex;align-items:center;gap:25px;padding:0 24px;min-height:60px;border-bottom:1px solid var(--line);background:white}.brand{color:#27332e;font-weight:750;font-size:19px;letter-spacing:-.5px;text-decoration:none;white-space:nowrap}.brand strong{font-weight:400;color:var(--green)}.views{display:flex;gap:24px;border:0;border-left:1px solid var(--line);padding:0 0 0 25px;margin:0;align-self:stretch;min-width:0}.views label{cursor:pointer;position:relative;display:flex;align-items:center}.views input{position:absolute;opacity:0}.views span{display:flex;align-items:center;height:100%;border-bottom:2px solid transparent;font-size:12px;color:var(--muted);white-space:nowrap}.views input:checked+span{color:#27332e;border-color:var(--green)}.views input:focus-visible+span{outline:2px solid #3e5fc4;outline-offset:2px}.github-star{margin-left:auto;display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;text-decoration:none;white-space:nowrap;font-size:12px}.github-star .star{color:#ab6900;font-size:15px}.github-star>span:last-child{color:var(--muted)}main{padding:0 24px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:24px}.chart-panel{min-width:0;padding:24px 0 0}.panel-top{display:flex;justify-content:space-between;align-items:center;gap:16px}.eyebrow{font-size:12px;letter-spacing:1.3px;font-weight:600;color:var(--muted);margin:0 0 5px}h2{font-size:18px;font-weight:600;line-height:1.3;margin:0}.exports{display:flex;gap:6px}.chart-options{display:flex;gap:16px;justify-content:flex-end;flex-wrap:wrap;margin:14px 0;font-size:12px;color:var(--muted)}.chart-options label{display:flex;align-items:center;gap:6px}.chart-help,.scale-note{font-size:12px;color:var(--muted);margin:6px 0}.scale-note{color:#8a5f2b;background:#faf7f0;border-radius:4px;padding:7px 10px}.chart svg{width:100%;height:auto;display:block}.chart text{font-family:inherit;font-size:12px;fill:#5f6b65}.chart .end-label{font-size:12px;font-weight:600}.catalogue{padding:25px 0 18px 20px;border-left:1px solid var(--line);min-width:0;align-self:start;position:sticky;top:0;max-height:100vh;display:flex;flex-direction:column}.catalogue-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.catalogue-heading h2{font-size:14px}.catalogue-heading h2 span{color:var(--muted);font-size:12px;margin-left:4px}.catalogue-heading button{border:0;color:var(--muted)}.search-label{font-size:12px;color:var(--muted);margin:16px 0 5px}input[type=search]{width:100%;padding:8px 0;border:0;border-bottom:1px solid var(--line);background:white;font-size:12px}.catalogue-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:12px}.catalogue-tools select{max-width:150px}.catalogue #selection-count{font-size:12px;color:var(--muted);margin:10px 0}.selection-actions{display:flex;gap:6px;margin-bottom:12px}.selection-actions button{font-size:12px}.train-list{overflow:visible;min-height:0;max-height:none;padding:2px 4px 4px 0}.train-row{display:flex;align-items:flex-start;gap:9px;padding:9px 5px;border-radius:5px;cursor:pointer;border-bottom:1px solid #f2f3f0}.train-row:hover,.train-row:focus-within{background:#f3f6f3}.train-row input{appearance:none;flex:none;width:11px;height:11px;border:1.5px solid var(--train-color);border-radius:50%;margin:4px 0 0;cursor:pointer}.train-row input:checked{background:var(--train-color)}.train-row:not(:has(input:checked)) .train-name{color:var(--muted)}.train-info{display:block;min-width:0;flex:1}.train-name{display:block;font-size:12px;font-weight:550;overflow-wrap:anywhere}.train-spec{display:block;font-size:12px;color:var(--muted);margin-top:3px;font-variant-numeric:tabular-nums}.train-power{display:block;font-size:12px;color:var(--muted)}.catalogue-note,#no-results{font-size:12px;color:var(--muted);margin:12px 0 0;padding-top:10px;border-top:1px solid var(--line)}.panel{border-top:1px solid var(--line);padding:22px 0}.results{margin-top:22px}.results h2{font-size:15px;margin-bottom:8px}.table-scroll{overflow:auto;max-height:400px}table{width:100%;border-collapse:collapse;font-size:12px;font-variant-numeric:tabular-nums}caption{text-align:left;font-size:12px;color:var(--muted);padding:7px 0}th{text-align:left;font-size:12px;color:var(--muted);font-weight:500;padding:9px 12px;background:#f6f8f5;position:sticky;top:0}td{padding:10px 12px;border-bottom:1px solid #eff2ee}td:first-child{width:55px}.train-key{display:inline-block;width:12px;height:3px;margin-right:8px;vertical-align:middle;background:var(--train-color)}.details-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:32px 0}.details-grid h2{font-size:17px}.details-grid p:not(.eyebrow),.details-grid a{font-size:13px;color:var(--muted)}.details-grid a{color:var(--green)}.formula{font-family:ui-monospace,monospace;background:#f4f6f0;padding:12px 16px;display:inline-block;color:#27332e!important;border-radius:5px}summary{cursor:pointer;font-size:13px;font-weight:600}.transitions table{margin-top:16px}footer{display:flex;justify-content:space-between;gap:20px;margin:0 24px;padding:22px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}#status{font-size:12px;color:var(--muted)}.skip{position:absolute;top:-80px;left:15px;background:white;padding:12px;z-index:5}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}[hidden]{display:none!important}@media(min-width:1700px){.workspace{grid-template-columns:minmax(0,1fr) 300px}}@media(max-width:1000px){.app-header{gap:15px}.views{gap:15px;padding-left:15px}.github-star>span:last-child{display:none}.workspace{grid-template-columns:minmax(0,1fr) 230px;gap:15px}.catalogue{padding-left:14px}.exports button{font-size:12px}.chart-options{gap:10px}}@media(max-width:700px){.app-header{flex-wrap:wrap;padding:12px 16px 0;gap:10px}.views{order:3;flex-basis:100%;border:0;padding:0;gap:22px;min-height:42px}.views span{font-size:12px}.github-star>span:last-child{display:inline}main{padding:0 16px}.workspace{display:flex;flex-direction:column;gap:0}.catalogue{order:-1;position:static;border-left:0;border-bottom:1px solid var(--line);padding:16px 0;max-height:none}.catalogue-heading{margin-bottom:0}.search-label{margin-top:10px}.catalogue-tools{margin-top:8px}.train-list{max-height:none}.catalogue-note{margin-top:7px;padding-top:7px}.selection-actions{margin-bottom:5px}.train-row{padding:6px 5px}.train-info{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:12px}.train-power{grid-column:1/-1}.train-spec{margin:0}.chart-panel{padding-top:18px}.panel-top{align-items:flex-start}.panel-top h2{font-size:16px}.eyebrow{font-size:9px}.exports{flex-direction:column;gap:4px}.chart-options{justify-content:flex-start;gap:8px}.chart-options select{font-size:12px;padding:5px}.chart-help,.scale-note{font-size:12px}.details-grid{grid-template-columns:1fr;gap:24px}.table-scroll{max-height:300px}footer{margin:0 16px;flex-direction:column;gap:10px}}

.horizon-control{display:flex;align-items:center;gap:15px;margin:12px 0;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:12px}.horizon-control input{flex:1;min-width:50px;accent-color:var(--green)}.horizon-control output{min-width:75px;text-align:right;font-variant-numeric:tabular-nums;font-weight:600}@media(max-width:700px){.horizon-control{gap:8px;font-size:12px}.horizon-control output{min-width:65px}}

.chart-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:14px 0;flex-wrap:wrap}.chart-toolbar .chart-options{margin:0;justify-content:flex-start;gap:16px;flex-wrap:nowrap}.chart-toolbar .exports{flex-direction:row;white-space:nowrap}.scale-toggle{display:flex;align-items:center;gap:0;padding:0;margin:0;border:0;min-width:0}.scale-toggle>span{margin-right:7px;white-space:nowrap}.scale-toggle label{position:relative;cursor:pointer}.scale-toggle input{position:absolute;opacity:0;width:1px;height:1px}.scale-toggle label span{display:block;padding:5px 9px;border:1px solid var(--line);background:white}.scale-toggle label:first-of-type span{border-radius:5px 0 0 5px}.scale-toggle label:last-of-type span{border-radius:0 5px 5px 0;border-left:0}.scale-toggle input:checked+span{background:#e6f3ee;color:var(--green);font-weight:600}.scale-toggle input:focus-visible+span{outline:2px solid #3e5fc4;outline-offset:2px}@media(max-width:700px){.chart-toolbar{gap:10px}.chart-toolbar .chart-options{gap:12px}.scale-toggle label span{padding:5px 8px}}

.chart-toolbar{justify-content:flex-end}.chart-toolbar .chart-options{justify-content:flex-end}.horizon-control input[type=range]{flex:1}.horizon-control input[type=number]{flex:0 0 80px;width:80px;min-width:0;padding:5px 7px;border:1px solid var(--line);border-radius:5px;font-variant-numeric:tabular-nums}

/* Keep the catalogue out of the chart/results flow, with its own viewport-sized list. */
.main-column{min-width:0}
@media(min-width:701px){
  .app-header{position:sticky;top:0;z-index:10;height:60px}
  .workspace{align-items:start}
  .catalogue{top:60px;height:calc(100vh - 60px);height:calc(100dvh - 60px);max-height:none;overflow-y:auto}
  .catalogue>*{flex-shrink:0}
  .catalogue .train-list{flex:none;min-height:0;max-height:none;overflow:visible;scrollbar-gutter:auto}
}

body{min-height:100dvh;display:flex;flex-direction:column}main{flex:1}
.main-column{display:flex;flex-direction:column;min-height:calc(100dvh - var(--app-header-offset,60px))}
.main-column>.community-footer{margin:24px 0 0;margin-top:auto;flex-shrink:0}

.year-filter{margin-top:14px;font-size:12px}.year-filter label{display:flex;justify-content:space-between;gap:10px;color:var(--muted)}.year-filter output{font-variant-numeric:tabular-nums;font-weight:600;color:#27332e}.year-filter input{width:100%;margin:8px 0 0;accent-color:var(--green)}

.chart .curve-hit,.chart [data-train]{cursor:pointer}
.chart line{pointer-events:none}

.train-row.is-highlighted{background:#e6f3ee;box-shadow:inset 3px 0 var(--train-color)}.panel-top{flex-wrap:wrap}#race-orientation label span{font-size:12px}#race-orientation label{display:block}

.chart-toolbar #race-orientation{margin-right:auto}

.panel-top{justify-content:flex-start;align-items:baseline;gap:8px 16px}.panel-top .chart-help{margin:0}

.picker-toggle,.picker-close{display:none}.catalogue-heading-actions{display:flex;align-items:center;gap:8px}
#train-drawer,#road-drawer{position:fixed;inset:0 0 0 auto;margin:0;padding:0;width:min(90vw,360px);height:100vh;height:100dvh;max-height:none;max-width:none;border:0;background:white;color:inherit;box-shadow:-6px 0 30px #0002}
#train-drawer::backdrop,#road-drawer::backdrop{background:#18251c66}
body.picker-open{overflow:hidden}
@media(max-width:700px){
  .picker-toggle{display:inline-flex;align-items:center;gap:6px}.picker-toggle span{font-size:18px;line-height:1}.picker-close{display:block;font-size:24px;line-height:1;padding:4px 8px}
  #train-drawer .catalogue{display:flex;flex-direction:column;height:100%;max-height:none;padding:16px;border:0;overflow-y:auto;position:static}
  #train-drawer .catalogue>*{flex-shrink:0}
  #train-drawer .train-list{flex:none;min-height:0;max-height:none;overflow:visible;scrollbar-gutter:auto}
}
@media(max-width:700px){.app-header .picker-toggle{order:2}.app-header .github-star{margin-left:auto}.app-header .views{order:3}}

/* Continuous reading flow, with shared train selection and independent charts. */
.section-nav a{display:flex;align-items:center;font-size:12px;color:var(--muted);text-decoration:none;white-space:nowrap;border-bottom:2px solid transparent}
.section-nav a:hover,.section-nav a:focus-visible{color:var(--green);border-bottom-color:var(--green)}
#model,#speed-explorer,#explorer{scroll-margin-top:80px}
.analysis-view>.chart-panel{border-top:1px solid var(--line);padding-top:24px;margin-bottom:24px}
@media(max-width:700px){.section-nav{gap:16px}.section-nav a{font-size:12px}.details-grid{padding-top:24px}#model,#speed-explorer,#explorer{scroll-margin-top:16px}}

#crossovers{scroll-margin-top:80px}.section-nav{flex-wrap:wrap;row-gap:0}@media(max-width:700px){.section-nav{column-gap:16px}.section-nav a{min-height:35px}#crossovers{scroll-margin-top:16px}}

.phase-leaders{display:flex;padding:12px 18px 0 65px;gap:0}.phase-leaders>div{display:flex;justify-content:center;flex:1;min-width:0;text-align:center;font-size:12px;font-weight:600;padding:0 4px;box-sizing:border-box;overflow:hidden;white-space:nowrap}.phase-leaders [data-train]{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.phase-leaders>.phase-leader-compact{padding:0;overflow:visible;position:relative;z-index:1}.phase-leader-compact [data-train]{display:flex;align-items:center;justify-content:center;flex:0 0 24px;min-width:24px;height:24px;font-size:24px;line-height:1;overflow:visible;cursor:pointer}
#crossovers td:first-child{width:auto;white-space:nowrap}#crossovers th:first-child{white-space:nowrap}

#crossover-curves{scroll-margin-top:80px}#crossover-curves td:first-child{width:auto;white-space:nowrap}@media(max-width:700px){#crossover-curves{scroll-margin-top:16px}}

#crossover-curves .chart-toolbar{font-size:12px;color:var(--muted)}

#crossover-orientation{margin-right:auto}#crossover-orientation label span{font-size:12px}.leader-emphasis{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.leader-emphasis input{accent-color:var(--green)}

#crossovers .chart-toolbar{font-size:12px;color:var(--muted)}

.community-footer{display:block}.community-footer h2{font-size:15px;color:#27332e}.community-footer p{font-size:12px}.footer-credits{display:flex;justify-content:space-between;gap:16px;margin-top:22px}.footer-credits a{white-space:nowrap}@media(max-width:700px){.footer-credits{flex-direction:column}}

#support{scroll-margin-top:80px}@media(max-width:700px){#support{scroll-margin-top:16px}}

#line-capacity{scroll-margin-top:80px}.line-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0}.line-controls label{font-size:12px;display:flex;flex-direction:column;gap:6px}.line-controls input[type=range]{width:100%;accent-color:var(--green)}.line-controls output{font-weight:600}.line-summary{font-size:14px;color:var(--green);background:#e6f3ee;padding:12px;border-radius:5px}.line-table{max-height:none}.line-table table{min-width:1000px}.line-table th,.line-table td{white-space:nowrap}.line-table meter{width:65px;vertical-align:middle}.line-table .is-highlighted{background:#e6f3ee}@media(max-width:700px){#line-capacity{scroll-margin-top:16px}.line-controls{grid-template-columns:1fr}}

[hidden]{display:none!important}.analysis-nav{display:flex;gap:16px;align-self:stretch;align-items:center}.analysis-nav a{font-size:13px;text-decoration:none;color:var(--muted);padding:16px 0;border-bottom:2px solid transparent}.analysis-nav a[aria-current=page]{color:var(--green);font-weight:600;border-bottom-color:var(--green)}.section-nav>span{display:flex;gap:20px;flex-wrap:wrap}.section-nav{gap:20px}.analysis-view{min-width:0}#race,#economics,#economic-efficiency,#economic-crossover-curves,#economic-crossovers{scroll-margin-top:80px}@media(max-width:1100px) and (min-width:701px){.app-header{height:auto;min-height:60px;flex-wrap:wrap;gap:12px}.app-header .section-nav{order:5;width:100%;min-height:36px;padding:0;border:0}.catalogue{top:110px;height:calc(100dvh - 110px)}}@media(max-width:700px){.analysis-nav{align-self:auto}.analysis-nav a{padding:8px 0}.section-nav>span{gap:16px}#race,#economics,#economic-efficiency,#economic-crossover-curves,#economic-crossovers{scroll-margin-top:16px}}

.economic-legend{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12px;margin:8px 0 20px}.economic-legend span{cursor:pointer}.app-header{column-gap:18px}.analysis-view .details-grid{margin-bottom:24px}

.section-nav>span{height:auto;border-bottom:0;align-items:center}.analysis-view [id^=economic-] .chart-toolbar{font-size:12px;color:var(--muted)}@media(max-width:700px){.app-header .picker-toggle{margin-left:auto}.app-header .section-nav{align-items:center;padding-bottom:8px;row-gap:0}.section-nav>span{flex-basis:100%}.section-nav a{min-height:32px}}

:root{--app-header-offset:60px;--economic-controls-height:0px}.economic-controls{position:sticky;top:var(--app-header-offset);z-index:8;background:white;border-bottom:1px solid var(--line);box-shadow:0 5px 12px #00000008;max-height:50dvh;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-gutter:stable}.analysis-view>.economic-controls{padding-top:12px;padding-bottom:8px;margin-bottom:12px}.economic-controls .line-controls{margin:12px 0}.economic-controls .scale-note{margin:5px 0}.economic-controls .chart-help{margin:5px 0}#line-capacity{scroll-margin-top:calc(var(--app-header-offset) + 12px)}#economic-efficiency,#economic-crossover-curves,#economic-crossovers,#line-results{scroll-margin-top:calc(var(--app-header-offset) + var(--economic-controls-height) + 16px)}@media(min-width:701px){.catalogue{top:var(--app-header-offset);height:calc(100dvh - var(--app-header-offset))}}@media(max-width:700px){:root{--app-header-offset:0px}.economic-controls{max-height:42dvh}.economic-controls .line-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}}

.economic-controls{overflow-x:hidden}.economic-controls .line-controls input[type=range]{display:block;min-width:0;max-width:100%;margin:0}.line-distance-control{display:flex;flex-direction:column;gap:6px;min-width:0}.line-distance-entry{display:flex;align-items:center;gap:6px;font-size:12px}.line-distance-entry input{width:90px;min-width:0;padding:3px 6px;border:1px solid var(--line);border-radius:5px;font-variant-numeric:tabular-nums}

#economic-method{scroll-margin-top:calc(var(--app-header-offset) + 12px)}.economic-method-details{font-size:12px;color:var(--muted);margin:14px 0}.economic-method-details summary{cursor:pointer;color:var(--green);font-weight:600}.economic-method-details p{max-width:100ch}

/* Distance ranges are not rank numbers: reserve a readable column. */
.economic-phases-table{table-layout:fixed}.economic-phases-table th:first-child,.economic-phases-table td:first-child{width:35%;white-space:nowrap}.economic-phases-table td:last-child{overflow-wrap:anywhere}

/* Two compact lines retain the name, introduction, speed and physical specs. */
.train-row{padding:5px 4px;gap:7px;align-items:center}
.train-row input{margin:0;flex-shrink:0}
.train-info{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1px 5px;align-items:baseline;line-height:1.2}
.train-name{font-size:12px;overflow-wrap:normal}
.train-spec{font-size:12px;margin:0;white-space:nowrap}
.train-power{grid-column:1/-1;font-size:12px;line-height:1.2}
.catalogue .search-label{margin-top:10px}
.catalogue .year-filter,.catalogue .catalogue-tools{margin-top:10px}
.catalogue .selection-actions{margin-bottom:6px}
.catalogue .catalogue-note{margin-top:8px;padding-top:8px}
@media(max-width:700px){.train-row{min-height:44px}}

.year-stepper{display:flex;align-items:center;gap:7px;margin-top:6px}.year-stepper button{padding:2px 8px;font-size:15px;min-width:28px}.year-stepper input[type=range]{flex:1;min-width:0;margin:0}
.selection-actions{flex-wrap:wrap}.selection-actions #explore-history{flex-basis:100%;color:#3655a3;background:#edf1fc;border-color:#cbd5f0}.selection-actions #explore-history:hover{background:#dde6fa}
@media(max-width:700px){.year-stepper button{min-width:44px;min-height:44px}}

/* Keep history exploration from moving charts when readout rows appear. */
.line-table{height:auto;max-height:none;overflow-x:auto;scrollbar-gutter:auto}
.line-summary{min-height:0}
@media(min-width:701px){.workspace{grid-template-columns:minmax(0,1fr) 320px}}
.selection-actions{flex-wrap:nowrap;gap:5px}.selection-actions button{padding:6px 7px;white-space:nowrap}.selection-actions #explore-history{flex-basis:auto}
/* Legends and phase names also reserve room for future introductions. */
.economic-legend{min-height:64px;align-content:flex-start}
.phase-leaders{min-height:56px}
@media(min-width:701px) and (max-width:1100px){.economic-legend{min-height:112px}}
@media(max-width:700px){.economic-legend{min-height:0}}

.info-disclosure{margin:12px 0;color:var(--muted);font-size:12px}.info-disclosure>summary{color:var(--green);font-size:12px;font-weight:550;cursor:pointer;width:fit-content}.info-disclosure[open]>summary{margin-bottom:10px}.info-disclosure .details-grid{padding:16px 0;margin:0}.info-disclosure.chart-notes{margin:10px 0}.info-disclosure.assumptions{padding:8px 0;border-bottom:1px solid var(--line)}.info-disclosure.results{margin-top:16px;padding:14px 0}.economic-controls .line-controls{margin:10px 0}.economic-controls .panel-top .chart-help{font-size:12px}

.train-legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12px;line-height:1.4;margin:10px 0;min-height:0;align-content:flex-start}.train-legend span{cursor:pointer}
.info-disclosure h3{font-size:12px;color:#27332e;font-weight:600;margin:16px 0 6px}

/* Optional tables grow with their contents; retain horizontal scrolling on phones. */
details .table-scroll{height:auto;max-height:none;scrollbar-gutter:auto}

.theme-toggle{margin-left:auto;white-space:nowrap}.theme-toggle+.github-star{margin-left:0}
:root[data-theme=dark]{color-scheme:dark;color:#dde8e1;background:#17201c;--green:#70d9bf;--muted:#a4b5aa;--line:#37483e;--surface:#17201c;--tint:#24352b}
[data-theme=dark] .app-header,[data-theme=dark] .economic-controls,[data-theme=dark] #train-drawer,[data-theme=dark] #road-drawer,[data-theme=dark] input[type=search],[data-theme=dark] button,[data-theme=dark] select{background:var(--surface);color:#dde8e1}
[data-theme=dark] .brand,[data-theme=dark] .formula,[data-theme=dark] .info-disclosure h3,[data-theme=dark] .year-filter output,[data-theme=dark] .analysis-nav a[aria-current=page],[data-theme=dark] .footer-credits,[data-theme=dark] .community-footer h2{color:#dde8e1}
[data-theme=dark] th,[data-theme=dark] .formula,[data-theme=dark] button:hover,[data-theme=dark] .train-row:hover,[data-theme=dark] .train-row:focus-within{background:var(--tint)}
[data-theme=dark] td,[data-theme=dark] .train-row{border-bottom-color:var(--line)}
[data-theme=dark] .scale-toggle label span{background:var(--surface);border-color:var(--line)}
[data-theme=dark] .scale-toggle input:checked+span,[data-theme=dark] .train-row.is-highlighted,[data-theme=dark] .line-table .is-highlighted,[data-theme=dark] .line-summary{background:#203d30;color:var(--green)}
[data-theme=dark] .scale-note{background:#342d1d;color:#e3c48e}
[data-theme=dark] .selection-actions #explore-history{background:#243552;color:#b7cbff;border-color:#435b88}
[data-theme=dark] .selection-actions #explore-history:hover{background:#304665}
[data-theme=dark] .line-distance-entry input{background:var(--surface);color:#dde8e1}
[data-theme=dark] .chart text{fill:var(--muted)}
[data-theme=dark] .chart [fill="white"]{fill:var(--surface)}
[data-theme=dark] .chart line[stroke="#e4e8e4"],[data-theme=dark] .chart line[stroke="#e5e9e4"]{stroke:var(--line)}
[data-theme=dark] .chart path[data-train],[data-theme=dark] .chart text[data-train],[data-theme=dark] .chart circle[data-train],[data-theme=dark] .phase-leaders span,[data-theme=dark] .train-legend span,[data-theme=dark] .train-key{filter:brightness(1.7)}

.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;padding:6px}.theme-toggle svg{width:20px;height:20px}.theme-sun{display:none}[data-theme=dark] .theme-sun{display:block}[data-theme=dark] .theme-moon{display:none}@media(max-width:700px){.theme-toggle{width:44px;height:44px}}

.raw-data-table{max-height:none}.raw-data-table table{min-width:1200px}.raw-data-table th,.raw-data-table td{white-space:nowrap}.data-downloads{display:flex;align-items:center;gap:16px;font-size:12px}.experiment-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.experiment-card{padding:16px;border:1px solid var(--line);border-radius:6px;font-size:12px}.experiment-card h3{font-size:14px;margin:0}.evidence-status{font-size:12px;padding:3px 7px;border:1px solid var(--line);border-radius:999px;color:var(--muted)}#data,#raw-data,#experimental-models,#motion-checks{scroll-margin-top:calc(var(--app-header-offset) + 16px)}@media(max-width:700px){.experiment-grid{grid-template-columns:1fr}.data-downloads{flex-wrap:wrap}}

.service-targets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:8px 0;font-size:12px}.target-control label{display:flex;align-items:center;gap:6px}.target-control>div{display:flex;align-items:center;gap:6px;margin-top:6px;flex-wrap:wrap}.target-control input[type=number]{width:85px;min-width:0;padding:3px 6px;border:1px solid var(--line);border-radius:5px;background:transparent}.target-control input[type=checkbox]{accent-color:var(--green)}.target-control input:disabled{opacity:.5}
[data-theme=dark] .formula{color:#dde8e1!important}

/* Keep everyday inputs visible; group optional service constraints in one disclosure. */
.service-basics{display:grid;grid-template-columns:1.2fr 1.2fr .8fr;gap:20px;margin:14px 0;font-size:12px}.service-basics>div{display:flex;flex-direction:column;gap:6px;min-width:0}.service-basics label{font-weight:550}.service-basics input[type=range]{width:100%;min-width:0;accent-color:var(--green);margin:0}.service-basics output{font-weight:600;min-height:25px;display:flex;align-items:center}.service-basics select{align-self:flex-start;min-height:25px}.control-help{font-size:12px;color:var(--muted);margin:0;line-height:1.45}.service-options{border-top:1px solid var(--line);padding:10px 0 2px;font-size:12px}.service-options>summary{font-size:12px;color:var(--green);line-height:1.6}.service-options>summary span{font-weight:400;font-size:12px;color:var(--muted);margin-left:12px}.service-options-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:14px}.service-option-group{min-width:0;border:1px solid var(--line);border-radius:6px;padding:10px 12px;margin:0}.service-option-group legend{padding:0 5px;font-weight:600;font-size:12px}.service-option-group .target-control{margin:12px 0 4px}.service-option-group .target-control>.control-help{margin:5px 0 0}.service-detail-toggle{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.service-detail-toggle input{accent-color:var(--green)}
.line-table table{min-width:540px}.line-table th{white-space:normal;line-height:1.4;padding:8px;min-width:45px}.line-table td{padding:8px;font-variant-numeric:tabular-nums}.line-table th:nth-child(2){min-width:140px}.line-table th:nth-child(3){min-width:90px}.line-table .table-unit,#road-steady-table .table-unit{display:block;font-weight:400;font-size:12px;color:var(--muted)}.line-table:not(.show-details) .service-detail{display:none}.line-table .service-exclusion{white-space:normal}.line-table.show-details table{min-width:1300px}
@media(max-width:900px){.service-basics{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.infrastructure-control{grid-column:1/-1}.service-options>summary span{display:block;margin:3px 0 0 14px}}
@media(max-width:700px){.service-options-grid{grid-template-columns:1fr;gap:14px}.service-basics{gap:12px}.service-detail-toggle{align-items:flex-start}.service-options>summary span{font-size:12px}}

.service-option-group .group-description{font-style:italic;padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:14px}.service-option-group .target-control>.field-help{margin:4px 0 0 25px;font-size:12px;max-width:46ch}

.frequency-toggle:disabled{opacity:.5}.frequency-toggle:disabled label{cursor:default}.frequency-toggle label span{font-size:12px}.target-control .frequency-toggle{flex-wrap:nowrap;max-width:100%}

.workspace.data-view{grid-template-columns:minmax(0,1fr)}.truck-controls{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:18px 0;font-size:12px}.truck-controls>div{margin:0}.truck-table{max-height:none}.truck-table table{min-width:700px}.truck-table th{white-space:normal;line-height:1.4}.truck-table tbody th{position:static;background:transparent;color:inherit;font-size:inherit;font-weight:500;padding:10px 12px}.truck-table tbody th,.truck-table tbody td{border-bottom:1px solid var(--line)}.truck-table td{font-variant-numeric:tabular-nums}.truck-table th:nth-child(3),.truck-table td:nth-child(3){font-weight:600}#trucks,#truck-results,#truck-method{scroll-margin-top:calc(var(--app-header-offset) + 16px)}.analysis-nav{flex-wrap:wrap}
@media(min-width:701px) and (max-width:1400px){.app-header{height:auto;min-height:60px;flex-wrap:wrap;gap:12px}.app-header .section-nav{order:5;width:100%;min-height:36px;padding:0;border:0}}
@media(max-width:700px){.app-header .analysis-nav{order:3;flex-basis:100%;justify-content:space-between;gap:8px;flex-wrap:nowrap}.app-header .section-nav{order:4}}

#truck-service{scroll-margin-top:calc(var(--app-header-offset) + 16px)}#truck-service input[type=checkbox]{accent-color:var(--green)}

.truck-year-filter{max-width:500px;margin:18px 0}.truck-cost-chart{margin:24px 0}.truck-cost-chart h3{font-size:15px;margin:0}.truck-bar-list{list-style:none;margin:0;padding:0}.truck-bar-row{display:grid;grid-template-columns:minmax(140px,230px) minmax(0,1fr) 100px;gap:12px;align-items:center;min-height:38px;font-size:12px}.truck-bar-name{overflow-wrap:anywhere}.truck-bar-track{display:block;height:20px;background:var(--tint,#f6f8f5);border-radius:3px;overflow:hidden}.truck-bar{display:block;height:100%;background:var(--green);opacity:.65}.truck-bar-row.is-best .truck-bar{opacity:1}.truck-bar-row.is-best .truck-bar-name,.truck-bar-row.is-best .truck-bar-value{font-weight:650}.truck-bar-value{text-align:right;font-variant-numeric:tabular-nums}.truck-bar-axis{display:flex;justify-content:space-between;margin:10px 112px 6px 242px;font-size:12px;color:var(--muted)}#truck-cost-chart{scroll-margin-top:calc(var(--app-header-offset) + 16px)}
@media(max-width:700px){.truck-bar-row{grid-template-columns:minmax(90px,35%) minmax(0,1fr) 75px;gap:8px;font-size:12px;min-height:44px}.truck-bar-axis{margin-left:calc(35% + 8px);margin-right:83px}}

/* Road inputs share the existing optional-service hierarchy. */

.road-vehicle-kind{display:block;font-size:12px;color:var(--muted);font-weight:400}.truck-bar-row:has(.road-vehicle-kind){min-height:44px}

.consist-editor{margin:20px 0;padding:14px;border:1px solid var(--line);border-radius:6px}.consist-row{display:grid;grid-template-columns:minmax(0,1fr) 95px auto;gap:12px;align-items:end;margin:14px 0;font-size:12px}.consist-row>div{display:flex;flex-direction:column;gap:6px}.consist-row select{width:100%;min-width:0}.consist-row input,.consist-editor input[type=text]{width:100%;padding:6px;border:1px solid var(--line);border-radius:5px;background:transparent}.consist-totals{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;font-size:12px}.consist-totals dt{color:var(--muted)}.consist-totals dd{margin:2px 0;font-weight:600}.consist-actions{display:flex;gap:10px;margin:16px 0}.consist-saved{list-style:none;padding:0}.consist-saved li{display:flex;gap:8px;align-items:center;margin:10px 0;font-size:12px}.consist-saved li span{flex:1;overflow-wrap:anywhere}.consist-editor [role=status]{margin:14px 0;font-size:12px}@media(max-width:700px){.consist-row{grid-template-columns:minmax(0,1fr) 80px}.consist-row>button{grid-column:1/-1;justify-self:start}.consist-totals{grid-template-columns:repeat(2,minmax(0,1fr))}.consist-saved li{flex-wrap:wrap}.consist-saved li span{flex-basis:100%}}

.source-filters{display:flex;flex-wrap:wrap;gap:1rem;align-items:end;margin:1rem 0}
.source-filters>div{display:grid;gap:.35rem;flex:1 1 12rem}
.source-filters input,.source-filters select{max-width:100%}
#source-formations>details{margin:.75rem 0;overflow-wrap:anywhere}

/* Route controls use the same desktop side-panel / mobile drawer pattern as trains. */
.workspace.truck-view{grid-template-columns:minmax(0,1fr) 340px}
.road-sidebar{top:var(--app-header-offset,0px);max-height:calc(100dvh - var(--app-header-offset,0px));overflow-y:auto;scrollbar-gutter:stable}
.road-sidebar>.catalogue-heading{flex-shrink:0;margin-bottom:0}
.road-sidebar .consist-editor{padding:10px;margin-top:16px}
.road-sidebar .consist-row{grid-template-columns:minmax(0,1fr) 70px;gap:8px}
.road-sidebar .consist-row>button{grid-column:1/-1;justify-self:start}
.road-sidebar .consist-totals{grid-template-columns:repeat(2,minmax(0,1fr))}
.road-sidebar .consist-actions,.road-sidebar .consist-saved li{flex-wrap:wrap}
.road-sidebar .consist-saved li span{flex-basis:100%}
@media(max-width:700px){
  .workspace.truck-view{grid-template-columns:minmax(0,1fr)}
  #road-drawer .road-sidebar{display:flex;position:static;border:0;padding:16px;height:100%;max-height:none;overflow-y:auto;overscroll-behavior-y:contain}
  #road-drawer .road-sidebar>*{flex-shrink:0}
}

.compact-rows>tr:nth-child(n+11){display:none}
.table-preview-toggle{margin:12px 0 6px}

/* Compact route controls; detailed explanations remain in keyboard-accessible help. */
.road-sidebar>.road-settings{flex-shrink:0}
.road-sidebar .road-settings .road-field{gap:5px;margin:10px 0}
.road-sidebar .road-settings .truck-year-filter{margin:10px 0 0}
.road-sidebar .road-settings .year-stepper{margin-top:3px}
.road-sidebar .road-settings .year-stepper input{margin:0}
.road-sidebar .road-tram-filter,.road-sidebar .road-facility-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px}
.road-sidebar .road-inline-check{display:inline-flex;align-items:center;gap:5px;font-size:12px;min-height:28px;cursor:pointer}
.road-sidebar .road-inline-check input{margin:0;accent-color:var(--green)}
.road-sidebar .road-family-toggle label span{font-size:12px;padding:5px 7px}
.road-sidebar .road-value-row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.road-sidebar .road-value-row>label{font-weight:550}
.road-sidebar .line-distance-entry input{width:70px}
@media(pointer:coarse){.road-sidebar .road-inline-check,.road-sidebar .road-family-toggle label span{min-height:36px}}

.road-sidebar .control-info{display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:var(--muted);padding:2px;width:20px;min-width:20px;height:24px;font-size:14px;cursor:help}
.road-sidebar .control-info:hover,.road-sidebar .control-info:focus-visible{color:var(--green)}
.catalogue .freight-filter{display:flex;flex-direction:row;align-items:center;gap:4px;min-width:0;margin:8px 0}
.catalogue .freight-filter>fieldset{flex:1;flex-wrap:wrap}
.catalogue .freight-filter .scale-toggle label span{font-size:11px;padding:4px}
.catalogue .freight-filter>.control-info{flex:none}
.road-sidebar .truck-year-filter{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;column-gap:4px}
.road-sidebar .truck-year-filter .year-stepper{grid-column:1/-1}
.road-sidebar .road-facility-row{gap:4px}
.road-sidebar .road-tram-filter{gap:4px}

.road-stop-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.road-stop{min-width:0;border:0;padding:0;margin:0;display:grid;grid-template-columns:minmax(0,1fr);align-items:center;gap:3px}
.road-stop .road-inline-check{display:flex;align-items:center;gap:5px;font-size:12px;min-height:28px;cursor:pointer}
.road-stop .road-inline-check input{flex:none;margin:0;accent-color:var(--green)}
.road-stop legend{padding:0;margin-bottom:5px;color:var(--muted)}
#road-phases{scroll-margin-top:calc(var(--app-header-offset) + 16px)}
.phase-leaders [data-train]:focus-visible,.chart .end-label:focus-visible,.train-legend [data-train]:focus-visible{outline:2px solid currentColor;outline-offset:3px}

/* Unified right panels and a catalogue/composition workspace. */
@media(min-width:701px){.workspace,.workspace.truck-view{grid-template-columns:minmax(0,1fr) 340px}.workspace.data-view{grid-template-columns:minmax(0,1fr)}}
.catalogue{gap:0}.catalogue .train-list{flex:none;max-height:none;overflow:visible}.catalogue #line-capacity{padding:0;margin:12px 0;border:0;position:static;box-shadow:none;max-height:none;overflow:visible;background:transparent}
#train-race-settings{margin:12px 0 0;padding:10px}#train-race-settings .horizon-control{display:grid;grid-template-columns:minmax(0,1fr) 65px auto;gap:7px;margin:0}#train-race-settings .horizon-control label:not(.sr-only){grid-column:1;grid-row:1}#train-race-settings .horizon-control input[type=number]{grid-column:2;grid-row:1}#train-race-settings .horizon-control>span{grid-column:3;grid-row:1}#train-race-settings .horizon-control input[type=range]{grid-column:1/-1;grid-row:2}#train-race-settings input[type=range]{grid-column:1/-1;width:100%}#train-race-settings input[type=number]{grid-column:2;width:65px}
#road-selection-count{font-size:12px;color:var(--muted);margin:10px 0}.road-sidebar #road-vehicles{max-height:none;flex:none}button.control-info{border:0;background:transparent;color:var(--muted);cursor:help;padding:2px;font-size:14px}button.control-info:hover,button.control-info:focus-visible{background:transparent;color:var(--green)}
.configuration-filters{display:flex;flex-direction:column;gap:14px;margin:12px 0}.configuration-filters .scale-toggle{flex-wrap:wrap;gap:0}.configuration-filters .scale-toggle>legend{float:none;width:100%;padding:0;margin:0 0 5px;font-size:12px}.configuration-filters .scale-toggle label span{padding:5px 7px;font-size:12px}.configuration-filters .search-label{margin:0}.configuration-filters .year-filter{margin:0}.configuration-sidebar h3{font-size:13px;margin:18px 0 6px}.consist-saved li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}.consist-saved li>span{min-width:0}.saved-actions{display:flex;gap:4px}.saved-actions .saved-action{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;flex:none;padding:3px}.saved-action svg{display:block;width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}@media(pointer:coarse){.saved-actions .saved-action{width:36px;height:36px}}.consist-saved small,.component-table small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:3px}
.component-table{max-height:52dvh;overflow:auto;scrollbar-gutter:stable;border:1px solid var(--line);border-radius:5px}.component-table table{min-width:760px}.component-table tbody th{position:static;background:transparent;color:inherit;font-weight:550;font-size:12px;min-width:150px;border-bottom:1px solid var(--line)}.component-table td{padding:9px 10px;white-space:nowrap}.component-table td:first-child{width:auto}.component-table button{font-size:12px;white-space:nowrap}
.composition-builder{margin-top:20px;padding:16px;border:1px solid var(--line);border-radius:6px;background:var(--surface,#fff);position:sticky;bottom:12px;z-index:7;box-shadow:0 3px 15px #0001}.composition-builder h2{font-size:15px}#composition-name{background:transparent;color:inherit;border:1px solid var(--line);border-radius:4px;padding:7px;width:min(100%,360px);margin:5px 0}
.composition-strip{display:flex;gap:8px;list-style:none;padding:8px 0;margin:4px 0;overflow-x:auto;max-height:225px;overscroll-behavior-x:contain}.composition-component{display:flex;flex-direction:column;gap:7px;flex:0 0 auto;width:180px;min-width:180px;box-sizing:border-box;padding:10px;background:var(--tint,#f3f6f3);color:inherit;border:1px solid var(--line);border-radius:5px;font-size:12px}.component-kind{font-size:12px;color:var(--muted)}.composition-component strong{min-height:30px}.composition-component label{display:flex;align-items:center;justify-content:space-between;font-size:12px}.composition-component input{width:65px;border:1px solid var(--line);background:transparent;color:inherit;padding:4px}.component-actions{display:flex;gap:5px}.component-actions button{font-size:12px;padding:4px 9px}.component-actions button:last-child{margin-left:auto}.composition-builder .consist-totals{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 16px;margin:12px 0}.composition-builder .consist-actions{margin:12px 0 0;align-items:center;flex-wrap:wrap}#composition-message{font-size:12px;color:var(--green)}#composition-summary{font-size:12px;margin-top:10px}
#configuration-drawer{position:fixed;inset:0 0 0 auto;margin:0;padding:0;width:min(90vw,360px);height:100dvh;max-height:none;max-width:none;border:0;background:var(--surface,#fff);color:inherit;box-shadow:-6px 0 30px #0002}#configuration-drawer::backdrop{background:#18251c66}
@media(max-width:700px){.workspace,.workspace.truck-view{display:flex;flex-direction:column}.composition-builder{position:static;padding:12px}.component-table{max-height:45dvh}.composition-builder .consist-totals{grid-template-columns:repeat(2,minmax(0,1fr))}#configuration-drawer .catalogue{height:100%;max-height:none;padding:16px;border:0;position:static;overflow:auto}.app-header .analysis-nav{flex-wrap:wrap;justify-content:flex-start;gap:16px}.app-header .analysis-nav a{white-space:nowrap}#configuration-picker-toggle[hidden]{display:none!important}}
@media(min-width:701px){#configurator{display:flex;flex-direction:column;min-height:700px;height:calc(100dvh - var(--app-header-offset) - 24px)}#component-catalogue{display:flex;flex-direction:column;flex:1;min-height:300px;margin-bottom:0}#component-catalogue .component-table{flex:1;min-height:220px;max-height:none}.composition-builder{position:static;flex-shrink:0;margin-top:14px;padding:12px}.composition-strip{max-height:175px}.composition-component{gap:5px;padding:8px}.composition-component strong{min-height:26px}.composition-builder .consist-totals{font-size:12px;gap:6px 16px;margin:8px 0}}
#configuration-year{width:100%;accent-color:var(--green)}#configurator,#component-catalogue,#composition-builder{scroll-margin-top:calc(var(--app-header-offset) + 12px)}
.component-table tbody th{position:sticky;left:0;top:auto;z-index:1;background:var(--surface,#fff)}.component-table td:last-child{position:sticky;right:0;background:var(--surface,#fff);z-index:1}.component-table thead th:first-child{left:0;z-index:3}.component-table thead th:last-child{right:0;z-index:3}
.composition-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;margin:8px 0}.composition-name-field{display:flex;align-items:center;gap:8px;flex:1;min-width:240px}.composition-name-field label{font-size:12px;white-space:nowrap}.composition-name-field input{min-width:0;flex:1}.composition-builder .composition-toolbar .consist-actions{margin:0;flex-wrap:wrap}.composition-builder #composition-name{margin:0}.composition-builder #composition-context{margin:0}.composition-builder #composition-message:empty{display:none}.composition-builder #composition-message{grid-column:1/-1}.component-controls{display:flex;align-items:center;gap:6px;margin-top:auto}.composition-component .component-controls input{width:48px}.component-controls .component-actions{flex:1;gap:4px}.component-controls .component-actions button{padding:4px 6px}@media(max-width:400px){.composition-name-field{min-width:0;flex-basis:100%}.composition-name-field label{white-space:normal}}
@media(min-width:1280px){#composition-form{display:flex;flex-wrap:wrap;gap:8px 16px}.composition-toolbar{flex-basis:100%;margin:0}.composition-strip{flex:0 1 auto;width:max-content;max-width:45%;align-self:flex-start;min-width:0;margin:0}#composition-summary{flex:1 1 390px;min-width:0;margin-top:0}.composition-builder #composition-message{flex-basis:100%}.composition-builder .consist-totals{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px 16px;margin:0}.composition-builder .consist-totals dd{margin:2px 0 0}}
.component-table table{min-width:960px}.component-thumbnail-cell{width:190px;min-width:150px}.vehicle-thumbnail{display:flex;align-items:center;justify-content:center;width:100%;height:48px}.thumbnail-formation{display:flex;align-items:flex-end;flex:none;max-height:48px}.thumbnail-formation img{display:block;flex:none;height:100%;object-fit:contain}.thumbnail-reversed{transform:scaleX(-1)}.composition-component .vehicle-thumbnail{height:40px}.composition-component .thumbnail-formation{max-height:40px}.composition-strip{max-height:230px}

/* The two analysis pickers share controls and collapsible, keyboard-native groups. */
.catalogue .panel-group{border:1px solid var(--line);border-radius:6px;margin:10px 0 0;min-width:0;flex-shrink:0}
.catalogue .panel-group>summary{padding:9px 6px;font-size:12px;font-weight:600}
.catalogue .panel-group[open]>summary{border-bottom:1px solid var(--line)}
.catalogue .panel-group-body{padding:10px 6px;min-width:0}
.catalogue .panel-group-body>.catalogue-note:first-child{margin-top:0;padding-top:0;border-top:0}
.composition-route-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:12px 0;font-size:12px}.composition-route-grid>div{min-width:0}.composition-route-grid input[type=range]{width:100%;accent-color:var(--green)}.composition-route-grid select{display:block;margin-top:6px}.composition-route-grid label{display:block}.composition-route-grid fieldset label{margin:8px 0}.composition-route-grid output{float:right;font-weight:600}.composition-analysis-group{border:1px solid var(--line);border-radius:6px;padding:10px;margin-top:12px}.composition-analysis-group>summary{cursor:pointer;font-size:13px;font-weight:600}#composition-analysis-controls summary{cursor:pointer;font-size:13px;font-weight:600}#composition-analysis-controls summary span{font-weight:400;margin-left:8px}#composition-analysis-summary{padding:8px 14px;background:var(--tint,#f3f6f3);border-radius:6px}#composition-analysis-status{font-size:12px;color:var(--muted)}.composition-chart-legend{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;margin:4px 0}.composition-chart-legend span{display:flex;gap:7px;align-items:center}.composition-chart-legend i{width:22px;border-top:3px solid var(--train-color)}.composition-chart-readout{display:block;min-height:24px;font-size:12px;font-variant-numeric:tabular-nums}#composition-analysis{scroll-margin-top:calc(var(--app-header-offset) + 12px)}
@media(min-width:701px){#configurator{height:auto;min-height:0}#component-catalogue{flex:none}#component-catalogue .component-table{flex:none;max-height:45dvh}#composition-analysis{flex:none}}
@media(max-width:700px){.composition-route-grid{grid-template-columns:1fr}#composition-analysis-summary .consist-totals{grid-template-columns:repeat(2,minmax(0,1fr))}}
.catalogue #line-capacity{margin:0}
.catalogue #train-race-settings{padding:0}
.catalogue .vehicle-selector .search-label{display:block;margin:10px 0 3px}
.catalogue .vehicle-selector .catalogue-tools{margin:10px 0;flex-wrap:wrap;gap:6px}
.vehicle-selector .scale-toggle span{font-size:12px;padding:4px 8px}
.vehicle-selector .selection-actions{flex-wrap:wrap;align-items:center}
.vehicle-selector .selection-count,.vehicle-selector .selector-empty{font-size:12px;color:var(--muted);margin:10px 0}
.catalogue .vehicle-selector .train-list{max-height:none;padding:2px 2px 4px 0;scrollbar-gutter:auto}
.vehicle-selector .train-row{--train-color:var(--green);min-height:36px}
.vehicle-selector .train-row input{width:13px;height:13px}
.catalogue .history-action{margin-top:0;font-size:12px}
@media(pointer:coarse){.vehicle-selector .train-row{min-height:44px}.vehicle-selector .scale-toggle span{min-height:36px;display:flex;align-items:center}}
.truck-table table:not(.has-targets) .road-fleet-column{display:none}
.truck-table .has-targets{min-width:1100px}

.phase-controls{display:flex;align-items:flex-start;flex-wrap:wrap;gap:12px 24px;margin:14px 0;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.phase-control{min-width:0}
.phase-control-label{display:flex;align-items:center;gap:4px;margin-bottom:6px;font-size:11px;color:var(--muted);min-height:20px}
.phase-controls .scale-toggle{flex-wrap:wrap;gap:4px}
.phase-controls .scale-toggle label span{font-size:11px;white-space:nowrap;padding:6px 8px;border:1px solid var(--line);border-radius:4px}
@media(pointer:coarse){.phase-controls .scale-toggle label span{min-height:36px;display:flex;align-items:center}}

.phase-diagram{content-visibility:auto}

.transport-category{margin:0;align-items:center;gap:0;font-size:12px}.economic-empty{margin:20px 0;padding:24px;border:1px solid var(--line);border-radius:6px}.economic-empty p{max-width:70ch}.economic-empty .selection-actions{align-items:center;gap:16px}

.analysis-overview{display:flex;justify-content:space-between;align-items:center;gap:12px 24px;flex-wrap:wrap;padding:20px 0 16px;border-bottom:1px solid var(--line)}.analysis-overview h2{font-size:20px}.analysis-overview .chart-help{margin:5px 0 0}#line-results,#truck-service{padding-top:16px}.line-summary{display:flex;justify-content:space-between;align-items:center;gap:12px 24px;margin:0 0 18px;padding:14px 16px}.service-winner{display:flex;flex-direction:column;gap:3px;min-width:0;overflow-wrap:anywhere}.service-winner-label{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:4px}.service-winner>strong{font-size:16px}.service-winner-cost{display:flex;flex-direction:column;align-items:flex-end;flex:none}.service-winner-cost>strong{font-size:22px;font-variant-numeric:tabular-nums}.service-winner-cost>span{font-size:12px;color:var(--muted)}.service-readout-toolbar{justify-content:space-between;align-items:center;margin-bottom:6px}.line-table td:nth-child(3){font-weight:650}#economic-method{margin-top:28px}#economic-results>.chart-panel+.chart-panel{margin-top:20px;border-top:1px solid var(--line)}@media(max-width:700px){.analysis-overview{padding-top:16px}.analysis-overview h2{font-size:18px}.line-summary{flex-wrap:wrap;gap:8px}.service-winner-cost{align-items:flex-start}.service-winner-cost>strong{font-size:20px}}
/* Shared feedback, selection and native mobile catalogue disclosures. */
.input-error{font-size:13px;color:#9a302b;background:#fff1ef;border:1px solid #e3b4b0;border-radius:5px;padding:10px;line-height:1.5}
[data-theme=dark] .input-error{color:#ffbbb4;background:#422522;border-color:#885550}
input[aria-invalid=true]{outline:2px solid #b6443b;outline-offset:2px}
.load-status{font-size:13px;color:var(--muted);padding:12px 0}
.control-help-text{display:block;flex-basis:100%;grid-column:1/-1;white-space:normal;font-size:13px;color:var(--muted);padding:8px 0;line-height:1.5}
.road-sidebar #road-freight-filter,.road-sidebar .road-facility-row,.road-sidebar .road-tram-filter,.road-sidebar #road-return-control{flex-wrap:wrap}
.road-sidebar .road-family-toggle{flex-wrap:wrap;min-width:0}
.compact-rows>li:nth-child(n+11){display:none}
.train-legend [data-train]{padding:4px 0}
.legend-disclosure{margin:12px 0}
.legend-disclosure>summary{font-size:13px;color:var(--green)}
.history-exploration .train-legend{min-height:240px}
.source-mobile-details{display:none}
@media(max-width:700px){
  .raw-data-table table{min-width:0}.raw-data-table thead,.raw-data-table tbody td,.source-desktop-name{display:none}
  .raw-data-table tbody td.source-empty{display:block;white-space:normal}
  .app-header .analysis-nav{flex-wrap:wrap;flex-basis:100%;row-gap:0}
  .raw-data-table tbody tr{display:block;border-bottom:1px solid var(--line)}
  .raw-data-table tbody th{display:block;position:static;background:transparent;white-space:normal;font-size:13px;padding:12px 0}
  .source-mobile-details{display:block}.source-mobile-details summary{font-size:14px}
  .source-mobile-details small{display:block;font-weight:400;color:var(--muted);margin-top:4px;font-size:12px}
  .source-mobile-details dl>div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;padding:4px 0}
  .source-mobile-details dt{color:var(--muted)}.source-mobile-details dd{margin:0;overflow-wrap:anywhere}
  .raw-data-table .compact-rows>tr:nth-child(n+11){display:none}
  .scale-toggle label span{min-height:36px}.road-sidebar .road-family-toggle label span{padding:6px}
}
/* Compact edit action for saved custom compositions. */
.vehicle-selector .train-row-main{display:flex;align-items:center;gap:7px;flex:1;min-width:0;cursor:pointer}
.vehicle-selector .train-edit{flex:none;width:26px;height:26px;padding:0;border:1px solid transparent;background:transparent;color:var(--muted);font-size:19px}
.vehicle-selector .train-edit:hover,.vehicle-selector .train-edit:focus-visible{color:var(--green);border-color:var(--line);background:var(--tint,#f3f6f3)}
@media(pointer:coarse){.vehicle-selector .train-edit{width:40px;height:40px}}
/* One gradient control shared by both route panels. */
.gradient-control{display:flex;flex-direction:column;gap:6px;min-width:0;font-size:12px;margin:10px 0}
.gradient-control .road-value-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.gradient-control label{font-weight:550}
.gradient-control .line-distance-entry input{width:70px}
.gradient-control input[type=range]{width:100%;min-width:0;margin:0;accent-color:var(--green)}
.gradient-control .control-help-text{margin:2px 0}
.gradient-slider{position:relative;padding-bottom:28px}
.gradient-slider::after{content:"";position:absolute;left:50%;top:15px;height:6px;border-left:1px solid var(--muted);pointer-events:none}
.gradient-control .gradient-zero{position:absolute;left:50%;top:20px;transform:translateX(-50%);padding:2px 8px;font-size:11px;line-height:18px;min-height:24px;color:var(--green);border:0;background:transparent}
.gradient-control .gradient-zero:hover{background:color-mix(in srgb,var(--green) 12%,transparent)}
.chart .motion-transition-label text{fill:#27332e;font-size:11px}
.motion-transition-label rect{fill:var(--surface,white)}
[data-theme=dark] .chart .motion-transition-label text{fill:#dde8e1}
[data-theme=dark] .motion-transition-markers circle,[data-theme=dark] .motion-transition>path{filter:brightness(1.7)}

.composition-chart-readout{display:flex;flex-wrap:wrap;gap:6px 16px}.composition-chart-legend.train-legend{padding:0;background:transparent}.composition-chart-legend span{cursor:pointer}[data-theme=dark] .composition-axis,[data-theme=dark] .composition-chart-legend span,[data-theme=dark] .composition-chart-readout span[style]{filter:brightness(1.7)}

.composition-analysis-block{margin:10px 0;padding-top:10px;border-top:1px solid var(--line)}.composition-analysis-block h3{font-size:14px;margin:0 0 8px}.composition-steady-block,.composition-transient-block{border:0;padding:0}.composition-help{font-size:12px;color:var(--muted);margin:6px 0}.composition-help>summary{cursor:pointer;color:var(--green)}.composition-help .chart-help{margin:6px 0}#composition-steady-summary .consist-totals{grid-template-columns:repeat(3,minmax(0,1fr));margin:0;gap:8px 16px}#composition-steady-summary .consist-totals dd{font-size:18px;margin-top:2px}#composition-analysis-controls{margin-top:10px}#composition-analysis .composition-chart-legend{gap:6px 16px;margin:2px 0}#composition-analysis .composition-chart-readout{min-height:18px}@media(max-width:700px){#composition-steady-summary .consist-totals{grid-template-columns:1fr}#composition-steady-summary .consist-totals dd{font-size:17px}}

.composition-chart-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:4px 24px}.composition-chart-toolbar .composition-chart-readout{margin-left:auto}.composition-chart-toolbar .composition-chart-readout span{white-space:nowrap}@media(max-width:700px){.composition-chart-toolbar .composition-chart-readout{margin-left:0}}

#composition-speed-limit>legend{margin-bottom:6px;color:inherit}#composition-speed-limit label{display:inline-flex}#composition-analysis-empty{font-size:13px;margin:0}

.composition-frequency-target{display:flex;align-items:center;flex-wrap:wrap;gap:6px 12px}.composition-frequency-target>div{flex-basis:100%;margin-top:0}.composition-route-grid .composition-frequency-target>label,.composition-route-grid .composition-frequency-target .scale-toggle label{display:flex;margin:0}.composition-route-grid .composition-frequency-target .scale-toggle{flex-wrap:wrap}
/* Route profile map and segment inspector. The sketch is intentionally qualitative. */
.workspace.route-profile-view{grid-template-columns:minmax(0,1fr)}
#route-profile{width:100%;max-width:none}
#route-profile .chart-panel{scroll-margin-top:calc(var(--app-header-offset) + 12px)}
.profile-scale{display:flex;align-items:center;gap:0;margin:12px 0;font-size:12px}
.profile-scale legend{float:left;margin-right:12px;color:var(--muted)}
.profile-preview{min-width:0}
.profile-inspector-panel{min-width:0;margin-top:6px;padding:10px 14px 8px;border:1px solid var(--line);border-radius:8px;background:var(--surface,#fff);scroll-margin-top:calc(var(--app-header-offset) + 12px)}
.profile-inspector-panel h2{font-size:15px}
#profile-scale-note{margin-top:10px}
.profile-notes{margin-top:14px}
@media(min-width:701px){.route-profile-view .profile-sketch{min-width:0}}
.profile-visual{border:1px solid var(--line);border-radius:8px;background:var(--tint,#f3f7f4);padding:8px}
.profile-sketch-scroll{overflow-x:auto}
.profile-sketch{display:block;width:100%;min-width:900px;height:auto}
.profile-sketch text{font:12px Inter,ui-sans-serif,system-ui,sans-serif;fill:var(--muted)}
.profile-sketch .profile-band{fill:transparent;stroke:var(--line)}
.profile-sketch .profile-band.alternate{fill:var(--surface,#fff);fill-opacity:.45}
.profile-sketch .profile-band-group.is-selectable{cursor:pointer}
.profile-sketch .profile-band-group.is-selectable:hover .profile-band,.profile-sketch .profile-band-group:focus-visible .profile-band,.profile-sketch .profile-band-group.is-selected .profile-band{fill:var(--green);fill-opacity:.14;stroke:var(--green);stroke-width:2}
.profile-sketch .profile-band-group:focus-visible{outline:none}
.profile-sketch .profile-band-group.is-selected .profile-band-details{display:none}
.profile-inline-actions:not(.is-selected){display:none}
.profile-inline-action{cursor:pointer}
.profile-inline-action rect{fill:var(--surface,#fff);stroke:var(--green);stroke-width:1.5}
.profile-sketch .profile-inline-action text{fill:var(--green);font-size:18px;font-weight:700;pointer-events:none}
.profile-trash-icon{fill:none;stroke:var(--green);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.profile-inline-action:hover rect,.profile-inline-action:focus-visible rect{fill:var(--green)}
.profile-sketch .profile-inline-action:hover text,.profile-sketch .profile-inline-action:focus-visible text{fill:var(--surface,#fff)}
.profile-inline-action:hover .profile-trash-icon,.profile-inline-action:focus-visible .profile-trash-icon{stroke:var(--surface,#fff)}
.profile-inline-action:focus-visible{outline:none}
.profile-sketch .profile-terrain{fill:none;stroke:var(--green);stroke-width:3;stroke-linejoin:round;stroke-linecap:round;pointer-events:none}
.profile-sketch .profile-node{fill:var(--green);stroke:var(--surface,#fff);stroke-width:2;pointer-events:none}
.profile-sketch .profile-baseline{stroke:var(--line);stroke-width:1;stroke-dasharray:4 4}
.profile-sketch .profile-axis,.profile-sketch .profile-axis-tick{stroke:var(--muted);stroke-width:1}
.profile-sidebar-status{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:2px 8px;border-top:1px solid var(--line);padding-top:10px;margin-top:10px;font-size:12px}
.profile-sidebar-status>strong{grid-column:1;grid-row:1}
.profile-sidebar-status>span{grid-column:1/-1;grid-row:2}
.profile-sidebar-status a{grid-column:2;grid-row:1;white-space:nowrap;font-weight:600}
.route-model{align-items:center;flex-wrap:wrap;gap:0;margin:8px 0 12px;font-size:12px}
.route-model legend{float:left;margin-right:8px;color:var(--muted)}
.profile-editor>p{font-size:12px;line-height:1.5;margin:8px 0}
.profile-segment{min-width:0;border:1px solid var(--line);border-radius:7px;padding:7px 14px 12px;background:var(--surface,#fff)}
.profile-segment.is-selected{border-color:var(--green);box-shadow:inset 3px 0 var(--green)}
.profile-inspector-panel .profile-segment{margin:0;padding:0;border:0;box-shadow:none;background:transparent}
.profile-list-total{margin:0 0 10px;font-size:12px;color:var(--muted)}
.profile-list-total strong{color:inherit}
.profile-segment legend{font-size:13px;font-weight:650;padding:0 5px}
.profile-segment-number{display:inline-grid;place-items:center;min-width:28px;margin-right:8px;border-radius:4px;background:var(--tint,#edf4ef);color:var(--green);font-variant-numeric:tabular-nums}
.profile-segment-range{color:var(--muted);font-weight:500;font-variant-numeric:tabular-nums}
.profile-edit-summary{display:flex;align-items:center;margin:10px 0 0;padding-top:8px;border-top:1px solid var(--line);font-size:12px}
.profile-segment-fields{display:grid;grid-template-columns:repeat(4,minmax(120px,1fr));gap:16px;align-items:end}
.profile-segment label{min-width:0;font-size:12px;color:var(--muted)}
.profile-segment label span{opacity:.8}
.profile-field{display:flex;flex-direction:column;gap:6px;min-width:0}
.profile-segment input[type=number]{display:block;box-sizing:border-box;width:100%;max-width:110px;border:1px solid var(--line);border-radius:4px;padding:6px;background:var(--surface,#fff);color:inherit;font-variant-numeric:tabular-nums}
.profile-segment input[type=range]{display:block;width:100%;min-width:0;margin:4px 0 0;accent-color:var(--green)}
.profile-presets{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}
.profile-presets button{min-width:43px;padding:5px 6px;font-variant-numeric:tabular-nums}
.profile-presets button[aria-pressed=true]{border-color:var(--green);background:var(--tint,#edf4ef);color:var(--green);font-weight:650}
.profile-error{color:#a63e32!important}
.profile-destinations{display:flex;gap:20px;border-top:1px solid var(--line);padding:20px 0;margin-top:24px;font-size:13px}
.route-plan-panel{margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}
.route-plan-form{display:flex;flex-direction:column;gap:12px;min-width:0}
.route-plan-toolbar,.route-plan-library,.route-plan-row{display:flex;flex-wrap:wrap;align-items:end;gap:10px}
.route-plan-form label:not(.road-inline-check){display:flex;flex-direction:column;gap:5px;font-size:12px;min-width:100px;flex:1}
.route-plan-toolbar label{max-width:440px}.route-plan-library label{max-width:650px}
.route-plan-form input:not([type=checkbox]),.route-plan-form select{box-sizing:border-box;width:100%;min-height:34px;padding:6px 8px;color:inherit;background:var(--surface);border:1px solid var(--line);border-radius:4px;font:inherit}
.route-plan-row{padding:8px 0;border-bottom:1px solid var(--line)}
.route-plan-row label{flex-basis:120px}.route-plan-row label:has(input[type=number]){flex-basis:90px;max-width:160px}
.route-plan-row label.road-inline-check{align-self:center;max-width:220px}
.route-plan-form .panel-group{margin:0}.route-plan-stop{border-left:3px solid var(--green)}
.route-plan-stop>.panel-group-body{display:flex;flex-direction:column;gap:10px}
.route-plan-form .panel-group-body>h5{margin:12px 0 6px}
.route-plan-itinerary{display:flex;flex-direction:column;gap:10px}
.route-plan-segment{padding:12px 14px;text-align:left;font-size:12px;color:var(--muted);background:transparent;border:1px dashed var(--line)}
.route-plan-add-stop{align-self:center;font-size:12px}.route-plan-summary h3{font-size:16px;margin:12px 0}
.route-plan-summary h4{font-size:13px;margin:18px 0 8px}.route-plan-summary p,.route-plan-summary li{font-size:12px}
.route-plan-summary th,.route-plan-summary td{padding:10px;text-align:left;vertical-align:top;white-space:normal}
.route-plan-warning{color:var(--bad,#d87b64)}
.route-plan-form p,.route-plan-form li{overflow-wrap:anywhere}
.route-plan-analysis-warning{padding:10px 14px;border:1px solid var(--line);border-radius:5px}
.declared-lock{opacity:.7;cursor:not-allowed}
.profile-sketch .profile-stop-node{stroke-width:3}.profile-sketch .profile-stop-label{font-size:11px;fill:var(--green);font-weight:650;paint-order:stroke;stroke:var(--surface);stroke-width:3px;stroke-linejoin:round}
@media(max-width:600px){.route-plan-toolbar>button{flex:1}.route-plan-row>button{align-self:end}.route-plan-row label{min-width:100px}.route-plan-summary th,.route-plan-summary td{padding:7px}.route-plan-library{align-items:stretch}.route-plan-library label{flex-basis:100%}}
@media(max-width:800px){.profile-line-map{width:640px}.profile-segment-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.route-model{flex-wrap:wrap}}
@media(max-width:470px){.profile-segment-fields{grid-template-columns:1fr 1fr}.profile-field:nth-child(n+3){grid-column:1/-1}}

/* Primary spaces and their contextual views share the desktop header. */
.app-header{gap:18px}
.workspace-nav{display:flex;align-items:center;gap:18px;min-width:0;align-self:stretch;border-left:1px solid var(--line);padding-left:18px}
.workspace-tabs{display:flex;align-items:center;gap:14px}
.workspace-tabs>a{align-self:stretch;display:flex;align-items:center;font-size:12px;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.workspace-tabs>a[aria-current=page]{color:var(--green);font-weight:600;border-bottom-color:var(--green)}
.workspace-action,.comparison-preview a{font-size:12px;text-decoration:none;white-space:nowrap}
.workspace-action{color:var(--muted)}
.comparison-preview{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;background:#e6f3ee;padding:8px 12px;margin-top:10px;border-radius:5px}
[data-theme=dark] .comparison-preview{background:#203e32}
#models,#checks,#data-catalogue{scroll-margin-top:calc(var(--app-header-offset) + 12px)}
.analysis-view>.analysis-overview{margin:18px 0 0}
.analysis-view>.analysis-overview+.chart-panel{padding-top:14px}
@media(min-width:701px){.app-header{height:auto;min-height:56px;flex-wrap:wrap;row-gap:0}.app-header .analysis-nav{flex-basis:auto;flex-wrap:nowrap}.workspace-nav{min-height:56px}.catalogue{top:var(--app-header-offset);height:calc(100dvh - var(--app-header-offset))}}
@media(min-width:701px) and (max-width:1100px){.app-header{gap:14px}.workspace-nav{gap:12px;padding-left:14px}.workspace-tabs{gap:10px}.workspace-action{display:none}.github-star>span:last-child{display:none}}
@media(max-width:700px){
  .app-header{display:grid;grid-template-columns:auto minmax(0,1fr) 44px;gap:0 8px;padding:4px 12px 0;position:sticky;top:0;z-index:10;min-height:0}
  .app-header .brand{grid-column:1;grid-row:1;font-size:16px}
  .app-header .analysis-nav{grid-column:2;grid-row:1;justify-content:flex-start;gap:14px;flex-wrap:nowrap;min-width:0;margin:0;padding-left:12px}
  .app-header .analysis-nav a{font-size:12px;min-height:44px;display:flex;align-items:center;white-space:nowrap}
  .app-header .theme-toggle{grid-column:3;grid-row:1;margin:0;width:44px;height:44px}
  .app-header .github-star{display:none}
  .app-header .workspace-nav{grid-column:1/-1;grid-row:2;padding:0;border:0;min-height:44px;justify-content:flex-start}
  .app-header .workspace-tabs{gap:16px}.app-header .workspace-tabs>a{min-height:44px;font-size:12px}
  .app-header .workspace-action{display:none}
  .app-header .picker-toggle{position:absolute;right:12px;bottom:0;margin:0;width:44px;height:44px;justify-content:center;font-size:0;border:0;background:transparent;padding:0}
  .app-header .picker-toggle span{font-size:20px}
  .app-header:has(.picker-toggle:not([hidden])) .workspace-nav{padding-right:48px}
  .analysis-view>.analysis-overview{margin-top:14px}
}
@media(max-width:360px){.app-header{padding-left:8px;padding-right:8px;column-gap:4px}.app-header .brand{font-size:14px}.app-header .analysis-nav{gap:5px}.app-header .analysis-nav a{font-size:11px}.app-header .picker-toggle{right:8px}}
.quick-experiments{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:10px;font-size:12px}.quick-experiments>span:first-child{color:var(--muted)}
.method-link{font-size:13px;font-weight:400;text-decoration:none;vertical-align:middle;margin-left:5px}

/* Comparison panels share the same widths, group spacing and service controls. */
@media(min-width:701px){.workspace:not(.data-view):not(.configurator-view):not(.route-profile-view):not(.optimizer-view){grid-template-columns:minmax(0,1fr) 300px}}
@media(min-width:701px) and (max-width:1000px){.workspace:not(.data-view):not(.configurator-view):not(.route-profile-view):not(.optimizer-view){grid-template-columns:minmax(0,1fr) 230px}}
.catalogue .utilization-control{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:4px;margin:0}.catalogue .utilization-control label{grid-column:1}.catalogue .utilization-control output{grid-column:2;grid-row:1;font-size:12px}.catalogue .utilization-control input[type=range]{grid-column:1/-1;width:100%;accent-color:var(--green)}
.catalogue .panel-group .panel-group>summary{padding:8px 6px}.catalogue .panel-group .panel-group-body .year-filter{margin-top:0}
.catalogue .road-family-toggle label span{font-size:12px;padding:5px 7px}.catalogue .freight-filter{flex-wrap:wrap}

/* Route and Service are shared components: parent domain never changes geometry. */
.comparison-controls{font-size:12px;min-width:0;width:100%}
.comparison-controls .panel-group-body{padding:10px 6px}
.comparison-controls .utilization-control{margin:0;gap:4px}
.comparison-controls .utilization-control .control-info{grid-column:3;grid-row:1}
.comparison-controls .control-info{display:inline-flex;align-items:center;justify-content:center;flex:none;width:20px;min-width:20px;height:24px;padding:2px;font-size:14px}
.comparison-controls .target-control{font-size:12px;margin:10px 0}
.comparison-controls .target-control>div{row-gap:8px}
.comparison-controls .service-options-grid{display:flex;flex-direction:column;gap:10px;margin:10px 0}
.comparison-controls .service-option-group{width:100%;height:auto;padding:8px}
.comparison-controls .road-inline-check{display:inline-flex;align-items:center;gap:5px;font-size:12px;min-height:28px;cursor:pointer}
.comparison-controls .road-inline-check input{margin:0;accent-color:var(--green)}
.comparison-controls .control-help{font-size:12px;margin:4px 0}
.comparison-controls .frequency-toggle{flex-wrap:wrap}
.comparison-controls .infrastructure-control{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin:10px 0}
.comparison-controls .infrastructure-control>:is(span,label){flex-basis:100%}
.comparison-controls .comparison-speed-entry{display:flex;align-items:center;gap:4px}
.comparison-controls .comparison-speed-entry input{width:55px}
.comparison-controls .scale-toggle{font-size:12px}
.comparison-controls .scale-toggle span{padding:5px 7px}
@media(pointer:coarse){.comparison-controls .road-inline-check,.comparison-controls .scale-toggle span{min-height:36px}}

.catalogue .road-settings{display:flex;flex-direction:column;align-items:stretch;gap:0;margin:0;flex-shrink:0}

.catalogue .freight-filter{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin:10px 0;font-size:12px}

.comparison-controls .handling-return{display:flex;align-items:center;flex-wrap:wrap;gap:4px}

.catalogue #comparison-route-choice{margin-bottom:10px}

.comparison-filter-row{display:flex;flex-wrap:wrap;align-items:flex-start;gap:8px}
.comparison-filter-row .scale-toggle{margin:0;flex:none;flex-wrap:wrap;font-size:12px}
.comparison-filter-row .scale-toggle legend{width:100%;padding:0;margin:0 0 6px;font-size:12px}
.comparison-filter-row .scale-toggle span{padding:5px 7px}

/* Give the comparison controls more width without compressing their vertical spacing. */
@media(min-width:701px){
  main:has(>.workspace:not(.data-view):not(.configurator-view):not(.route-profile-view):not(.optimizer-view)){padding-right:8px}
  :is(#catalogue,#road-sidebar){padding-left:8px}
}
@media(max-width:700px){
  #train-drawer .catalogue,#road-drawer .road-sidebar{padding-left:8px;padding-right:8px}
}

.workspace.optimizer-view{grid-template-columns:minmax(0,1fr) 300px}
#optimizer>.chart-panel{padding-top:0}
#optimizer,#optimizer-heading{scroll-margin-top:calc(var(--app-header-offset) + 12px)}
.optimizer-layout{display:block}
.optimizer-main{min-width:0;padding-top:24px}
.optimizer-constraints{min-width:0;position:sticky;top:var(--app-header-offset);height:calc(100dvh - var(--app-header-offset));overflow-y:auto;scrollbar-gutter:stable;border-left:1px solid var(--line);padding:24px 8px 18px 16px;font-size:12px}
.optimizer-constraints>details>summary{font-size:14px}
.optimizer-constraints section{border-top:1px solid var(--line);margin-top:14px;padding-top:12px}
.optimizer-constraints h4{font-size:12px;margin:0 0 8px}.optimizer-constraints h5{font-size:12px;margin:12px 0 6px}.optimizer-constraints h6{font-size:12px;font-weight:500;color:var(--muted);margin:8px 0 4px}
.optimizer-constraints dl{margin:0}.optimizer-constraints dl>div{display:flex;justify-content:space-between;gap:12px;margin:7px 0}.optimizer-constraints dt{color:var(--muted)}.optimizer-constraints dd{margin:0;text-align:right;overflow-wrap:anywhere}
.optimizer-constraints p{margin:6px 0}.optimizer-constraints ul,.optimizer-constraints ol{margin:6px 0;padding-left:18px}.optimizer-constraints li+li{margin-top:6px}.optimizer-constraint-pending{color:var(--green)}
@media(min-width:701px) and (max-width:1100px){.optimizer-layout .optimizer-setup{grid-template-columns:minmax(0,1fr);gap:12px}}
@media(min-width:701px) and (max-width:1000px){.workspace.optimizer-view{grid-template-columns:minmax(0,1fr) 230px}}
@media(max-width:700px){.optimizer-layout{display:flex;flex-direction:column;gap:12px}.optimizer-constraints{order:-1;width:100%;position:static;height:auto;border-left:0;border-bottom:1px solid var(--line);padding:12px 0}.optimizer-main{display:contents}.optimizer-main>.panel-top{order:-2;padding-top:18px}.optimizer-layout>.optimizer-main>.optimizer-setup,.optimizer-layout>.optimizer-main>.optimizer-results{width:100%}}
.optimizer-setup{display:grid;grid-template-columns:minmax(0,1fr);gap:18px;margin-top:18px;align-items:start}
.optimizer-setup .panel-group{margin:0;min-width:0}.optimizer-setup h3,.optimizer-results h3{font-size:16px;margin:0 0 12px}
.optimizer-service,.optimizer-infrastructure-context,.optimizer-search-bounds{border:1px solid var(--line);border-radius:6px}
.optimizer-service-selectors{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:end;gap:12px}
.optimizer-service-selectors .scale-toggle{font-size:inherit}
.optimizer-timing{border-top:1px solid var(--line);margin-top:14px;padding-top:12px;font-size:12px}
.optimizer-search-bounds>summary{padding:12px;font-size:14px}.optimizer-search-bounds[open]>summary{border-bottom:1px solid var(--line)}
.optimizer-infrastructure-context .road-inline-check{display:flex;align-items:baseline;gap:6px;font-size:12px}
.optimizer-infrastructure-context :is(#optimizer-line-control,#optimizer-infrastructure-control)>details>summary{padding:8px 0;font-size:12px}
.optimizer-infrastructure-context :is(#optimizer-line-control,#optimizer-infrastructure-control)>details>.panel-group-body{padding:4px 0 12px}
.optimizer-infrastructure-context #optimizer-infrastructure-control{border-top:1px solid var(--line);padding-top:8px}
@media(min-width:1500px){
  .optimizer-setup{grid-template-columns:repeat(2,minmax(0,1fr))}
  .optimizer-service,.optimizer-route-context{align-self:stretch}
  .optimizer-route-context,#optimizer-route-slot{display:flex;min-width:0}
  .optimizer-route-context #optimizer-route-slot,.optimizer-route-context #train-race-settings{flex:1}
  .optimizer-infrastructure-context,.optimizer-search-bounds,#optimizer-rail-search-limit{grid-column:1/-1}
  .optimizer-infrastructure-context>.panel-group-body{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px;align-items:start}
  .optimizer-infrastructure-context :is(h3,#optimizer-handling){grid-column:1/-1}
  .optimizer-infrastructure-context #optimizer-infrastructure-control{border-top:0;border-left:1px solid var(--line);padding:0 0 0 24px}
}
.optimizer-setup .scale-toggle{margin:8px 0;flex-wrap:wrap}.optimizer-setup .panel-group-body{padding:12px}
.optimizer-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:14px 0}
.optimizer-fields.optimizer-service-fields{grid-template-columns:repeat(2,minmax(0,1fr))}
.optimizer-field{display:flex;flex-direction:column;gap:6px;font-size:12px}.optimizer-field>span{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.optimizer-field input[type=number]{width:95px;max-width:100%;padding:5px;border:1px solid var(--line);border-radius:4px;background:transparent}
.optimizer-run{position:sticky;top:0;z-index:5;background:var(--surface,#fff);padding-bottom:16px;margin-bottom:12px}
.optimizer-actions{display:flex;flex-wrap:wrap;gap:8px;margin:0}.optimizer-actions button.optimizer-primary{flex:1 1 100%;padding:12px;font-weight:600;background:var(--green);color:var(--surface,#fff);border-color:var(--green)}.optimizer-actions button.optimizer-primary:hover{filter:brightness(1.1);background:var(--green)}
.optimizer-actions.optimizer-bottom-actions{margin-top:18px;justify-content:center}.optimizer-bottom-actions button.optimizer-primary{flex:0 1 auto}
.optimizer-constraints .optimizer-run #optimizer-status{margin-top:8px}
.optimizer-proposal>button+button{margin-left:8px}
.optimizer-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px;row-gap:12px;margin-top:20px;scroll-margin-top:calc(var(--app-header-offset) + 12px)}
.optimizer-results-single{grid-template-columns:minmax(0,1fr)}.optimizer-result-visibility{grid-column:1/-1;width:fit-content}.optimizer-results>section[hidden],.optimizer-results-hidden>.optimizer-result-note{display:none}.optimizer-result-note{grid-column:1/-1}
.optimizer-infra-stops{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.optimizer-infra-stops>fieldset{min-width:0;margin:0;padding:10px;border:1px solid var(--line);border-radius:5px}.optimizer-infra-stops legend{font-size:12px;font-weight:600}
.optimizer-setup .optimizer-building-toggle{gap:4px}
.optimizer-setup .optimizer-building-toggle label span{border:1px solid var(--line);border-radius:5px;font-size:12px;font-weight:600;padding:5px 6px}
#optimizer-infrastructure-sites .optimizer-infra-stops{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.optimizer-infra-fields{display:grid;gap:8px;margin:10px 0}.optimizer-infra-summary{padding:4px 0;border-bottom:1px solid var(--line)}
.optimizer-route-context{min-width:0}.optimizer-route-context .road-inline-check{display:flex;align-items:baseline;gap:6px;font-size:12px}
#optimizer-route-slot>#train-race-settings{margin:0;padding:0}
.workspace:not(.optimizer-view) .optimizer-route-preview{display:none}
.optimizer-route-preview{margin:12px 0;border:1px solid var(--line);border-radius:6px;padding:8px;background:var(--tint,#f3f7f4)}
.optimizer-route-preview .profile-sketch{width:100%;min-width:0}.optimizer-route-preview .profile-sketch-scroll{overflow:visible}
.optimizer-route-preview>.chart-help{margin:4px 0 0}
.optimizer-route-context #train-race-settings{border:1px solid var(--line);border-radius:6px}
.optimizer-route-context #train-race-settings>summary{padding:12px;font-size:14px}
.optimizer-route-context #train-race-settings[open]>summary{border-bottom:1px solid var(--line)}
.optimizer-route-context #train-race-settings>.panel-group-body{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px}
.optimizer-route-context #train-race-settings>.panel-group-body>*{grid-column:1/-1;min-width:0}
.optimizer-route-context #train-race-settings :is(.horizon-control,#race-gradient){grid-column:auto;margin:0;padding:0;border:0}
.optimizer-route-context #train-race-settings .horizon-control{align-self:start}
.optimizer-route-context #race-gradient{gap:7px}.optimizer-route-context #race-gradient-input{padding:5px 7px}
.optimizer-route-context #train-race-settings .horizon-control input[type=range]{margin:0}
.optimizer-route-context .route-speed-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
@media(max-width:700px){.optimizer-route-context #train-race-settings>.panel-group-body,.optimizer-route-context .route-speed-controls{grid-template-columns:minmax(0,1fr);gap:12px}}
.optimizer-line-segment{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:12px 0}.optimizer-line-segment>strong{font-size:12px}.optimizer-line-segment legend{font-size:11px}
.optimizer-line-segment .scale-toggle span{font-size:12px}
.optimizer-setup .optimizer-infra-section{border-top:1px solid var(--line);margin:16px 0;padding-top:14px}
.optimizer-infra-section h4{font-size:13px;margin:0 0 6px}.optimizer-infra-section>.chart-help{margin:0 0 12px}
.optimizer-infra-section>.panel-group-body{padding:12px 0}.optimizer-infra-cost-help{color:var(--muted)}
#optimizer-loaded-return{margin:12px 0;font-size:12px}
.optimizer-infra-stops>.panel-group{margin:10px 0 0}.optimizer-infra-stops summary span{font-size:11px;font-weight:400;color:var(--muted)}
.optimizer-infra-stops>.chart-help{grid-column:1/-1}.optimizer-reusable-entry{margin:10px 0}.optimizer-reusable-entry .scale-toggle{gap:0}.optimizer-reusable-entry .scale-toggle legend{font-size:12px;margin-bottom:6px}
.optimizer-reusable-entry .scale-toggle:has(>[data-toggle-choice="busStop"][hidden])>[data-toggle-choice="platform"] span{border-radius:0 5px 5px 0;border-left:0}
.optimizer-setup .optimizer-reusable-entry{border:1px solid var(--line);border-radius:6px;margin:12px 0}
.optimizer-reusable-entry>summary{padding:9px 12px;background:var(--tint,#f3f6f3);border-radius:5px}.optimizer-reusable-entry[open]>summary{border-bottom:1px solid var(--line);border-radius:5px 5px 0 0}
@media(max-width:700px){.optimizer-infra-stops{grid-template-columns:minmax(0,1fr)}}
@media(min-width:701px) and (max-width:1150px){.optimizer-infra-stops{grid-template-columns:minmax(0,1fr)}}
.optimizer-proposal{border:1px solid var(--line);border-radius:6px;padding:14px;margin-bottom:12px}.optimizer-proposal-top{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px}.optimizer-proposal h4{margin:0;flex:1;font-size:14px;overflow-wrap:anywhere}.optimizer-proposal-top strong{color:var(--green);font-size:15px}.optimizer-rank{color:var(--muted);font-size:12px}
.optimizer-results>section{min-width:0}.optimizer-selected-label{margin:0 0 8px;color:var(--green);font-weight:600}
.optimizer-results [data-selected-rail],.optimizer-results [data-selected-road]{display:flex;min-width:0}.optimizer-results [data-selected-rail]>.optimizer-proposal,.optimizer-results [data-selected-road]>.optimizer-proposal{flex:1;margin-bottom:0}
@supports(grid-template-rows:subgrid){.optimizer-results>section{display:grid;grid-template-rows:subgrid;grid-row:span 5}.optimizer-results .optimizer-variants{display:grid;grid-template-rows:subgrid;grid-row:span 3;row-gap:0;margin-bottom:0;border:0;border-radius:0}.optimizer-results .optimizer-variants>h4{border:1px solid var(--line);border-bottom:0;border-radius:6px 6px 0 0}.optimizer-results .optimizer-variants>.chart-help{border-left:1px solid var(--line);border-right:1px solid var(--line)}.optimizer-results .optimizer-variants-content{border:1px solid var(--line);border-top:0;border-radius:0 0 6px 6px}.optimizer-results .optimizer-no-results{grid-row:span 4;align-self:start}}
.optimizer-variants{border:1px solid var(--line);border-radius:6px;margin-bottom:12px}.optimizer-variants>h4{padding:12px;margin:0;font-size:14px}.optimizer-variants>.chart-help{margin:0;padding:0 12px 12px}
.optimizer-variants-content{min-width:0;align-self:start;display:grid;grid-template-columns:minmax(0,1fr);--optimizer-cost-width:136px;--optimizer-select-width:100px}
.optimizer-variants-more{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:12px;font-size:12px;color:var(--muted)}
.optimizer-variants-scroll{overflow:auto;max-width:100%;grid-area:1/1}.optimizer-variants-table{width:100%;min-width:1000px;table-layout:fixed;border-collapse:separate;border-spacing:0;font-size:12px}
.optimizer-variants-header{grid-area:1/1;align-self:start;position:sticky;top:var(--app-header-offset);z-index:4;min-width:0;background:var(--tint,#f3f6f3);pointer-events:none}.optimizer-variants-header-scroll{overflow:hidden}
.optimizer-length-column{width:70px}.optimizer-fleet-column,.optimizer-capacity-column{width:80px}.optimizer-frequency-column{width:114px}.optimizer-leg-column{width:160px}.optimizer-cost-column{width:var(--optimizer-cost-width)}.optimizer-select-column{width:var(--optimizer-select-width)}
.optimizer-variants-table th,.optimizer-variants-table td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;font-variant-numeric:tabular-nums}
.optimizer-variants-table thead th{white-space:normal;line-height:1.4}.optimizer-variants-table tbody th{position:static;background:transparent;font-size:12px;font-weight:500;min-width:220px;white-space:normal}
.optimizer-variants-table td{white-space:nowrap}.optimizer-variants-table th small{display:block;color:var(--muted);font-weight:normal}
.optimizer-configuration-title{display:flex;align-items:center;min-height:30px;font-weight:600}
.optimizer-variants-table th button{display:inline-flex;align-items:center;gap:7px;padding:3px 0;border:0;background:transparent;text-align:left;font-weight:600}
.optimizer-variants-table [data-disclosure-icon]{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:24px;height:24px;border:1px solid var(--green);border-radius:4px;color:var(--green);font-size:18px}
.optimizer-row-action{font-size:10px;font-weight:500;color:var(--green)}
.optimizer-variants-table tbody tr{cursor:pointer}.optimizer-variants-table tbody tr:hover>:is(th,td){background:var(--tint,#f0f5f1)}
.optimizer-variants-table .optimizer-powered-row{background:var(--tint,#f3f6f3)}.optimizer-variants-table .optimizer-wagon-row th{padding-left:24px}.optimizer-variants-table .optimizer-variant-row th{padding-left:40px}
.optimizer-variants-table .optimizer-cost-cell,.optimizer-variants-table .optimizer-select-cell{position:sticky;z-index:2;background:var(--surface,#fff)}.optimizer-variants-table .optimizer-cost-cell{right:var(--optimizer-select-width);box-shadow:inset 1px 0 var(--line)}.optimizer-variants-table .optimizer-select-cell{right:0}.optimizer-variants-table thead :is(.optimizer-cost-cell,.optimizer-select-cell),.optimizer-variants-table .optimizer-powered-row :is(.optimizer-cost-cell,.optimizer-select-cell){background:var(--tint,#f3f6f3)}.optimizer-variants-table tbody tr:hover :is(.optimizer-cost-cell,.optimizer-select-cell){background:var(--tint,#f0f5f1)}
.optimizer-variants-table :is(tr,tbody)[hidden]{display:none}.optimizer-variants-table tr:has([data-select-proposal][aria-pressed=true])>th:first-child{box-shadow:inset 3px 0 var(--green)}
.optimizer-variants-table [data-select-proposal][aria-pressed=true]{color:var(--green);font-weight:600;border-color:var(--green)}
.optimizer-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;font-size:12px;margin:14px 0}.optimizer-metrics dt{color:var(--muted)}.optimizer-metrics dd{margin:2px 0 0;font-weight:600}.optimizer-no-results{font-size:13px;color:var(--muted);padding:14px;border:1px solid var(--line);border-radius:6px}
@media(max-width:700px){.optimizer-setup,.optimizer-results{grid-template-columns:minmax(0,1fr);gap:12px}.optimizer-fields,.optimizer-fields.optimizer-service-fields,.optimizer-service-selectors{grid-template-columns:minmax(0,1fr)}.optimizer-setup .panel-group-body{padding:10px}}
@media(max-width:700px){.optimizer-results>section{grid-template-rows:auto auto auto;grid-row:auto}.optimizer-results .optimizer-variants{grid-template-rows:auto auto auto;grid-row:auto}.optimizer-results .optimizer-no-results{grid-row:auto}.optimizer-variants-content{--optimizer-cost-width:116px;--optimizer-select-width:88px}.optimizer-variants-table :is(.optimizer-cost-cell,.optimizer-select-cell){padding-left:6px;padding-right:6px}}

.road-stop-grid>.chart-help{grid-column:1/-1}

.route-speed-controls{display:flex;flex-wrap:wrap;gap:0 24px}
.route-speed-controls>.infrastructure-control{flex:1 1 260px;min-width:0}

.duration-entry{display:inline-flex;align-items:center;flex-wrap:nowrap!important;gap:2px!important;width:max-content;border:1px solid var(--line);border-radius:4px;padding:5px 6px;background:var(--surface,#fff);font-variant-numeric:tabular-nums}
.duration-entry input[type=number]{width:5ch;min-width:0;max-width:none;padding:0;border:0;border-radius:0;box-shadow:none;background:transparent;color:inherit;font:inherit;text-align:right;appearance:textfield}
.duration-entry input[type=number]:last-child{width:2.5ch;text-align:left}
.duration-entry input::-webkit-inner-spin-button,.duration-entry input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.duration-entry input:focus{outline:none}
.duration-entry:focus-within{outline:2px solid var(--green);outline-offset:2px}
.duration-entry:has(input:disabled){opacity:.6}
.duration-separator{pointer-events:none;user-select:none}
.optimizer-leg-help{grid-column:1/-1;margin:0}

.optimizer-no-results>p{margin-top:0}
.optimizer-exclusions ul{padding-left:20px;margin:8px 0}
.optimizer-exclusions li+li{margin-top:8px}

.service-route-prompt{margin:12px 0;padding:12px;border:1px solid var(--line);border-radius:5px;font-size:12px}
.service-route-prompt strong{display:block;font-size:12px;line-height:1.4}
.service-route-prompt p{margin:8px 0 12px}
.service-route-actions{display:flex;flex-wrap:wrap;gap:8px}
.service-route-actions button{min-height:34px}
/* First contact: question guide, verdict-first Race and starter selection */
.welcome{margin:20px 0 4px;padding:18px 20px;border:1px solid var(--line);border-radius:8px;background:#f3f8f5}.welcome-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px 24px}.welcome h2{margin:0;font-size:18px}.welcome h2:focus{outline:none}.welcome-head p{margin:4px 0 0;font-size:14px;max-width:70ch}.welcome-head button{flex:none}
.welcome-questions{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.welcome-questions a{display:flex;flex-direction:column;gap:4px;height:100%;padding:12px 14px;border:1px solid var(--line);border-radius:6px;background:#fff;color:inherit;text-decoration:none}.welcome-questions a:hover,.welcome-questions a:focus-visible{border-color:var(--green)}.welcome-questions strong{color:var(--green);font-size:14px}.welcome-questions span{font-size:13px}.welcome-questions a[aria-current=page]{border-color:var(--green);box-shadow:inset 3px 0 0 var(--green)}
@media(max-width:1100px){.welcome-questions{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.welcome{padding:14px}.welcome-head{flex-direction:column}.welcome-questions{grid-template-columns:1fr}}
[data-theme=dark] .welcome{background:var(--tint)}[data-theme=dark] .welcome-questions a{background:var(--surface)}
.guide-toggle{margin-left:auto}.guide-toggle:not([hidden])+.theme-toggle{margin-left:0}
.race-verdict{margin:16px 0 0;flex-wrap:wrap}.race-verdict .service-winner-cost{align-items:flex-end}.race-verdict-lead{font-size:13px;color:inherit}.race-verdict-note{flex-basis:100%;margin:0;font-size:12px;color:var(--muted)}
.starter-note{margin:0 0 10px;padding:8px 10px;border-radius:5px;background:#f3f8f5;font-size:12px}.starter-note button{padding:0;border:0;background:none;color:var(--green);font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer}[data-theme=dark] .starter-note{background:var(--tint)}
@media(max-width:700px){.welcome-head{flex-direction:row;align-items:center}.welcome h2{font-size:16px}.welcome-head p{display:none}.welcome-questions{margin-top:10px;gap:6px}.welcome-questions a{padding:9px 12px}.welcome-questions span{display:none}}
/* Progressive analysis: advanced charts stay one click away */
.advanced-analysis{margin:28px 0 8px;border:1px solid var(--line);border-radius:8px}.advanced-analysis>summary{display:grid;grid-template-columns:auto 1fr;column-gap:10px;padding:14px 16px;cursor:pointer;list-style:none}.advanced-analysis>summary::-webkit-details-marker{display:none}.advanced-analysis>summary::before{content:'▸';grid-row:span 2;color:var(--green);transition:transform .15s}.advanced-analysis[open]>summary::before{transform:rotate(90deg)}.advanced-title{font-weight:600;font-size:16px;color:var(--green)}.advanced-hint{font-size:13px;color:var(--muted)}.advanced-analysis[open]>summary{border-bottom:1px solid var(--line)}.advanced-analysis>.chart-panel{margin-left:16px;margin-right:16px}
@media(prefers-reduced-motion:reduce){.advanced-analysis>summary::before{transition:none}}
@media(max-width:700px){.app-header .guide-toggle{position:absolute;right:60px;bottom:7px;margin:0;padding:4px 10px}.app-header:has(.guide-toggle:not([hidden])) .workspace-nav{padding-right:124px}}
/* Shared field style. Field outlines reach 3:1 against the page (WCAG 1.4.11); the
   :not(#_) term lifts these few properties above the older per-view rules, which keep
   their own widths and layout. Duration entries draw one frame around both parts. */
:root{--field-line:#84928a;--field-bg:#fff}[data-theme=dark]{--field-line:#6f8478;--field-bg:var(--surface)}
:is(input[type=text],input[type=search],input[type=number],select):not(#_):not(.duration-entry input){min-height:32px;padding:4px 8px;border:1px solid var(--field-line);border-radius:5px;background:var(--field-bg);color:inherit;font-size:13px;box-shadow:none}
.duration-entry:not(#_){min-height:32px;padding:4px 8px;border-color:var(--field-line);border-radius:5px;background:var(--field-bg);font-size:13px}
:is(input,select,button,summary,a):focus-visible{outline:2px solid var(--green);outline-offset:2px}
/* Labels and segmented controls use one size everywhere. */
.source-filters label,.source-filters .checkbox-row{font-size:12px;color:var(--muted)}.source-filters .checkbox-row{color:inherit;align-self:center}
.optimizer-service-selectors .scale-toggle{font-size:12px}
.phase-controls .scale-toggle label span,.phase-control-label{font-size:12px}
@media(max-width:700px){.chart-toolbar,.chart-toolbar .chart-options{justify-content:flex-start;flex-wrap:wrap}}
/* Current settings: a recap at the top of the Compare panel, with sharing as a secondary action.
   Phones also get a one-line recap above the content that opens the panel. */
.settings-summary{margin:0 0 12px;padding:10px 12px;border:1px solid var(--line);border-radius:6px;font-size:12px}.settings-summary h3{margin:0 0 8px;font-size:13px}
.share-params{display:flex;flex-wrap:wrap;gap:5px;margin:0;padding:0;list-style:none}.share-params li{padding:2px 8px;border:1px solid var(--line);border-radius:999px;background:var(--field-bg)}.share-key{color:var(--muted)}
.share-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px}.share-url:not(#_){width:100%;font-size:12px}.share-status{color:var(--green);font-weight:600}.share-note{margin:8px 0 0;color:var(--muted)}
.settings-peek{display:none}
@media(max-width:700px){.settings-peek:not([hidden]){display:flex;width:100%;justify-content:space-between;align-items:center;gap:12px;margin:12px 0 0;padding:10px 12px;border:1px solid var(--field-line);border-radius:6px;text-align:left;font-size:13px}.settings-peek-edit{flex:none;color:var(--green);font-weight:600}}
#settings-summary-heading:focus{outline:none}
/* Optimizer results: the verdict first, then Rail and Road stacked at full width so every column fits */
.optimizer-results:not(#_){grid-template-columns:minmax(0,1fr)}.optimizer-results>section:not(#_){grid-template-rows:auto auto auto;grid-row:auto}.optimizer-results .optimizer-variants:not(#_){grid-template-rows:auto auto auto;grid-row:auto}.optimizer-results .optimizer-no-results:not(#_){grid-row:auto}
.optimizer-verdict{margin:0;flex-wrap:wrap}.optimizer-verdict .service-winner-cost{align-items:flex-end}.optimizer-verdict-note{flex-basis:100%;margin:0;font-size:12px;color:var(--muted)}
.optimizer-result-visibility:not(#_){font-size:12px}.optimizer-result-heading{margin-top:8px}
@media(max-width:700px){.optimizer-verdict .service-winner-cost{align-items:flex-start}}
/* Composition: one primary next step, an actionable empty state, one segmented size */
.scale-toggle label>span{font-size:12px}
button.primary-action:not(:disabled){background:var(--green);color:var(--surface,#fff);border-color:var(--green);font-weight:600}button.primary-action:not(:disabled):hover{filter:brightness(1.1)}
.composition-start{margin:0;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
/* Sortable headers: the whole label is the button; the active column shows its direction */
th[data-sort]{padding:0}th[data-sort] .sort-button{display:block;width:100%;height:100%;padding:10px 12px;border:0;border-radius:0;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer}th[data-sort] .sort-button:hover{color:var(--green)}th[aria-sort=ascending],th[aria-sort=descending]{color:var(--green)}.sort-indicator{margin-left:4px;font-size:10px}
#road-efficiency .chart-toolbar{font-size:12px;color:var(--muted)}#road-efficiency{scroll-margin-top:80px}
.chart-options-toggle{display:none}
@media(max-width:700px){.chart-toolbar:not(#_){justify-content:flex-start}.chart-options-toggle:not(#_){display:inline-flex;align-items:center;gap:6px;font-size:12px;margin-left:auto}.chart-options-toggle::after{content:"▾"}.options-open>.chart-options-toggle::after{content:"▴"}.chart-toolbar:not(.options-open) :is(fieldset[id$="-scale"],.exports){display:none}.chart-toolbar:not(.options-open) .chart-options:not(:has(> :not(fieldset[id$="-scale"]))){display:none}.race-verdict .service-winner-cost:not(#_){align-items:flex-start}}

/* Route line map: the track colour encodes the numeric grade, whose meaning differs between Rail and Road. */
.grade-flat{--grade:#2f8f6f}.grade-gentle{--grade:#d6a21e}.grade-steep{--grade:#de6b1f}.grade-severe{--grade:#b4233c}
.profile-shapes{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:14px 0 4px}
.profile-shapes-label{font-size:12px;color:var(--muted);margin-right:2px}
.profile-shapes button{display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border-radius:999px}
.profile-shapes svg{width:40px;height:14px;fill:none;stroke:var(--green);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.profile-map-tools{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px;margin:12px 0 8px}
.profile-map-tools .profile-scale:not(#_){margin:0}
.profile-grade-legend{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px;margin:0;font-size:12px;color:var(--muted)}
.profile-grade-legend span{display:inline-flex;align-items:center;gap:5px}
.profile-grade-legend span::before{content:"";width:16px;height:4px;border-radius:2px;background:var(--grade)}
.profile-line-map:not(#_){min-width:640px}
.profile-line-map .profile-ground{fill:var(--green);fill-opacity:.07;pointer-events:none}
.profile-line-map .profile-terrain{display:none}
.profile-line-map .profile-band:not(#_){fill:transparent;stroke:none}
.profile-line-map .profile-band-group:hover .profile-band:not(#_){fill:var(--green);fill-opacity:.05}
.profile-line-map .profile-band-group.is-selected .profile-band:not(#_),.profile-line-map .profile-band-group:focus-visible .profile-band:not(#_){fill:var(--green);fill-opacity:.1;stroke:var(--green);stroke-width:1.5}
.profile-line-map .profile-track{stroke:var(--grade);stroke-width:7;stroke-linecap:round;pointer-events:none}
.profile-line-map .is-selected .profile-track{stroke-width:11}
.profile-line-map text.profile-band-grade{fill:currentColor;font-weight:650}
.profile-line-map .profile-band-number{font-size:11px}
.profile-line-map .profile-band-group.is-selected .profile-band-details:not(#_){display:inline}
.profile-line-map .profile-inline-action circle{fill:var(--surface,#fff);stroke:var(--green);stroke-width:1.5}
.profile-line-map .profile-inline-action:hover circle,.profile-line-map .profile-inline-action:focus-visible circle{fill:var(--green)}
.profile-segment-strip{margin:2px 0 10px}
.profile-segment-strip .profile-list-total{margin:0 0 6px}
.profile-strip{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.profile-strip-item{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.profile-strip-item.is-selected{border-color:var(--green);background:var(--tint,#edf4ef);color:var(--green)}
.profile-strip-swatch{width:14px;height:4px;border-radius:2px;background:var(--grade)}
.profile-strip-add{border-style:dashed;color:var(--green)}
.profile-segment-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;margin:4px 0 12px}
.profile-segment-head .profile-edit-summary:not(#_){margin:0;padding:0;border:0}
.profile-segment-actions{display:flex;flex-wrap:wrap;gap:6px}
.profile-line-map .profile-band-group:focus{outline:none}
.profile-segment-fields:not(#_){grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));align-items:start}
.profile-presets button:not(#_){min-width:36px;padding:5px}
.route-plan-load-type{align-self:end;flex-wrap:wrap}
.route-plan-load-type legend{font-size:12px;margin-bottom:5px}
.route-plan-form .route-plan-load-type label:not(#_){display:block;min-width:0;flex:none;gap:0}
.route-plan-form .route-plan-load-type input:not(#_){position:absolute;opacity:0;width:1px;height:1px;min-height:0;padding:0}

/* Route declaration: loads, then a service grid with stops in columns and directions in rows. */
.rp-toolbar{display:flex;flex-wrap:wrap;align-items:end;gap:8px}
.rp-toolbar label{display:flex;flex-direction:column;gap:4px;font-size:12px}
.route-plan-form .rp-toolbar label:not(#_){flex:1 1 220px;max-width:360px;min-width:0}
.rp-loads{display:flex;flex-direction:column;gap:8px}
.rp-carries{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-weight:600;font-size:13px}
.rp-good{display:flex;flex-wrap:wrap;align-items:end;gap:10px;padding:8px 10px;border:1px solid var(--line);border-radius:8px}
.route-plan-form .rp-good label:not(#_){flex:0 1 200px}
.rp-good>button{align-self:center;border:0;color:var(--muted)}
.rp-add{align-self:flex-start;border-style:dashed;color:var(--green)}
.rp-dot{display:inline-block;flex:none;width:10px;height:10px;border-radius:50%;background:var(--good)}
.rp-good>.rp-dot{align-self:center}
.route-plan-form .rp-choice:not(#_){flex-wrap:wrap;align-self:end}
.route-plan-form .rp-choice legend{font-size:12px;margin-bottom:5px;color:var(--muted)}
.route-plan-form .rp-choice label:not(#_){display:block;min-width:0;flex:none;gap:0}
.route-plan-form .rp-choice input:not(#_),.route-plan-form .rp-carries input:not(#_){position:absolute;opacity:0;width:1px;height:1px;min-height:0;padding:0}
.rp-service{display:flex;flex-direction:column;gap:12px}
.rp-grid{display:grid;grid-template-rows:auto auto auto;column-gap:0;row-gap:6px;overflow-x:auto;padding-bottom:4px}
.rp-col{display:grid;grid-row:1/4;grid-template-rows:subgrid;min-width:0}
.rp-labels span{align-self:center;padding-right:10px;font-size:12px;color:var(--muted);white-space:nowrap}
.rp-stop>*{margin:0 2px}
.rp-stop-head{display:flex;flex-direction:column;align-items:flex-start;gap:4px;text-align:left;padding:8px 9px;border:1px solid var(--line);border-radius:8px;background:var(--surface,#fff)}
.rp-end .rp-stop-head{border-color:var(--green)}
.rp-stop-head[aria-expanded=true]{box-shadow:0 0 0 2px var(--green)}
.rp-stop-name{font-weight:650;font-size:13px}
.rp-stop-head small{color:var(--muted)}
.rp-badge{font-size:11px;padding:2px 6px;border-radius:4px;background:var(--tint,#edf4ef);overflow-wrap:anywhere}
.rp-faint{background:transparent;border:1px dashed var(--line);color:var(--muted)}
.rp-cell{display:flex;flex-wrap:wrap;align-content:flex-start;gap:4px;padding:6px;border-radius:6px;background:var(--tint,#f3f7f4)}
.rp-cell-label{display:none;width:100%;font-size:11px;color:var(--muted)}
.rp-op{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:3px 9px;font-size:12px;font-variant-numeric:tabular-nums}
.rp-op.rp-load{background:#fff4e0;border-color:#f0d39c;color:#6d4500}
.rp-op.rp-unload{background:#e8f0fb;border-color:#b9cdee;color:#24508f}
.rp-op[aria-expanded=true]{box-shadow:0 0 0 2px var(--green)}
.rp-op.rp-add{border-style:dashed;color:var(--green);background:transparent;min-width:30px;justify-content:center}
.rp-lane{padding:0 4px}
.rp-segments{display:flex;flex-wrap:wrap;align-content:flex-start;align-items:center;gap:4px}
.rp-segment{display:flex;flex-direction:column;align-items:flex-start;text-align:left;font-size:11px;font-variant-numeric:tabular-nums;padding:4px 7px}
.rp-segment small{color:var(--muted)}
.rp-segment[aria-expanded=true]{border-color:var(--green);box-shadow:0 0 0 1px var(--green)}
.rp-add-stop{font-size:11px;padding:2px 6px;border-style:dashed;color:var(--green)}
.rp-band{align-self:center;display:flex;flex-wrap:wrap;justify-content:center;gap:2px 8px;padding:4px 6px;border-radius:4px;background:#f6e3b8;color:#4d3300;font-size:11px;font-weight:600;font-variant-numeric:tabular-nums}
.rp-band span{display:inline-flex;align-items:center;gap:4px}
.rp-band.rp-empty{background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 10px);color:var(--muted);font-weight:400}
.rp-panel:empty{display:none}
.rp-panel{border:1px solid var(--green);border-radius:8px;padding:10px 14px;display:flex;flex-direction:column;gap:6px}
.rp-panel-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.rp-panel h4{margin:0;font-size:14px}.rp-panel h5{margin:8px 0 0;font-size:13px}
.rp-close{border:0;color:var(--muted)}
.rp-building{border:1px solid var(--line);border-radius:6px;padding:0 10px 6px}
.rp-link{border:0;padding:0;background:none;color:var(--green);text-decoration:underline;font-size:inherit}
.rp-checklist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:5px;font-size:12px}
.rp-checklist li{position:relative;padding-left:20px}
.rp-checklist li::before{position:absolute;left:0;font-weight:700}
.rp-ok::before{content:"✓";color:var(--green)}.rp-warn::before{content:"⚠";color:#b26a00}.rp-info::before{content:"→";color:var(--muted)}.rp-none{color:var(--muted)}
[data-theme=dark] .rp-op.rp-load{background:#4a3a1a;color:#f6d9a0;border-color:#6d5320}
[data-theme=dark] .rp-op.rp-unload{background:#1f3350;color:#bcd2f3;border-color:#2f4c75}
[data-theme=dark] .rp-band:not(.rp-empty){background:#5a4720;color:#f6e3b8}
@media(max-width:700px){
  .rp-grid{display:flex;flex-direction:column;gap:6px}
  .rp-col{display:flex;flex-direction:column;gap:6px}
  .rp-labels{display:none}
  .rp-cell-label{display:block}
  .rp-lane{padding:0 0 0 18px;border-left:3px solid var(--line);margin-left:12px}
}
.rp-stop-head{align-self:start}
@media(max-width:700px){.rp-band{justify-content:flex-start}.rp-band::before{content:attr(data-dir);font-weight:400;margin-right:4px}}
span.rp-op{cursor:default}
.rp-panel .road-inline-check{font-size:12px;align-self:center}
.rp-panel-trips{background:none;padding:0}
.rp-carries.rp-start{padding:10px 12px;border:2px solid var(--green);border-radius:8px;background:var(--tint,#edf4ef);align-self:flex-start}
.rp-step{display:inline-block;margin-right:4px;padding:1px 7px;border-radius:999px;background:var(--green);color:var(--surface,#fff);font-size:11px}
.rp-start-help{margin:0;font-size:12px;font-weight:600;color:var(--green)}
@keyframes rp-flash{0%,100%{box-shadow:0 0 0 0 transparent}30%{box-shadow:0 0 0 6px color-mix(in srgb,var(--green) 45%,transparent)}}
.rp-flash{animation:rp-flash .9s ease 2}
.rp-item-summary{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;padding:7px 10px;border:1px solid var(--line);border-radius:6px;font-size:12px}
.rp-item-summary>span{color:var(--muted);flex:1 1 200px}
.rp-item-summary .rp-edit{margin-left:auto}
.rp-item-actions{border-bottom:0}
.rp-done{border-color:var(--green);color:var(--green);font-weight:600}
@media(prefers-reduced-motion:reduce){.rp-flash{animation:none}}