:root{--ink:#111;--rule:#111;--faint:#bbb;--paper:#fff;--menu:260px;--bar:36px;--sans:"IBM Plex Sans",Helvetica,Arial,sans-serif;--mono:"IBM Plex Mono",ui-monospace,monospace}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--paper);color:var(--ink);font:12px/1.4 var(--sans)}
.mono{font-family:var(--mono);font-size:11px}
:focus-visible{outline:2px solid var(--ink);outline-offset:1px}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;text-align:left}
#map{position:fixed;inset:0;background:#fff}

/* left column: title, screen tabs, per-screen index, reference overlays, request line */
#menu{position:fixed;top:0;left:0;width:var(--menu);height:100%;background:var(--paper);border-right:1px solid var(--rule);overflow:auto;display:flex;flex-direction:column}
.row{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:8px 10px;border-bottom:1px solid var(--rule)}
.row.col{flex-direction:column;align-items:stretch}
.row.title{font-weight:500}
.row.title .mono{color:#666;font-weight:400}
.row.tabs{justify-content:flex-start;gap:16px;padding-top:6px;padding-bottom:6px}
.row.tabs button{text-decoration:underline;text-underline-offset:4px;text-decoration-color:transparent}
.row.tabs button[aria-selected=true]{font-weight:500;text-decoration-color:var(--ink)}
.grow{flex:1}
label,span{font-weight:400}
input[type=checkbox]{accent-color:#111;margin:0 5px 0 0;vertical-align:-1px}

/* dataset index: source heads (accordion) and items labelled with their source geometry */
.src{border-bottom:1px solid var(--rule)}
.src .head{display:grid;grid-template-columns:1fr auto;gap:8px;width:100%;padding:7px 10px;white-space:nowrap}
.src .head[aria-expanded=true]{font-weight:500}
.src .head .mono{color:#666;font-size:10px;font-weight:400;overflow:hidden;text-overflow:ellipsis}
.src ul{list-style:none;margin:0;padding:0 0 6px}
.src li button{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:3px 10px 3px 7px;border-left:1px solid transparent;margin-left:10px;width:calc(100% - 10px);white-space:nowrap}
.src li button>span:first-child{overflow:hidden;text-overflow:ellipsis}
.src li button:hover{border-left-color:var(--faint)}
.src li button[aria-pressed=true]{border-left-color:var(--ink);font-weight:500}
.src li button .mono{color:#666;font-size:10px;font-weight:400}
.note{padding:10px;color:#666;line-height:1.5}
.note .mono{color:#111}
#nav ol.api{list-style:none;margin:0;padding:6px 10px}
#nav ol.api li{padding:3px 0;border-bottom:1px solid #eee}
#nav ol.api li .mono{display:block}
#nav ol.api li small{color:#666;font-size:10px}

#overlays{display:flex;flex-direction:column;gap:3px;margin-top:6px}
#overlays label{display:grid;grid-template-columns:1fr auto;gap:8px;cursor:pointer;white-space:nowrap}
#overlays label .mono{color:#666;font-size:10px}
#overlays label.off{color:#999}

.row.req{border-bottom:0;border-top:1px solid var(--rule);gap:4px}
#reqline{display:flex;gap:6px;align-items:baseline}
#reqline .path{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#reqline b{font-weight:500}
#reqline i{font-style:normal;color:#888;white-space:nowrap}
.toggles{display:flex;gap:12px}
.toggles button{text-decoration:underline;text-underline-offset:3px}
.toggles button[aria-pressed=true]{font-weight:500;text-decoration-thickness:2px}
#log{margin:2px 0 0;padding:0;list-style:none;color:#888;font-size:10px}
#log li{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#log li i{font-style:normal;float:right;padding-left:6px}

/* view bar over the map: what is shown, on which geometry, with its legend and scale */
#view{position:fixed;top:0;left:var(--menu);right:0;height:var(--bar);background:var(--paper);border-bottom:1px solid var(--rule);display:flex;flex-wrap:wrap;align-content:flex-start;column-gap:18px;padding:0 12px;white-space:nowrap;overflow:hidden}
#view>*{flex:0 0 auto;height:36px;display:inline-flex;align-items:center}
#view .note{flex:1 0 100%;height:22px;line-height:22px;display:block;margin:-7px 0 0;padding:0;color:#666;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#view b{font-weight:500}
#view .src{color:#666;border:0}
#view .seg{display:inline-flex}
#view .seg button{padding:1px 7px;border:1px solid var(--ink);margin-left:-1px;font-family:var(--mono);font-size:11px}
#view .seg button[aria-pressed=true]{background:var(--ink);color:#fff}
#view .legend{display:inline-flex;align-items:center;gap:8px}
#view .legend em{font-style:normal;color:#666}
#view .bar{display:inline-flex;width:126px;height:8px;border:1px solid var(--rule)}
#view .bar i{flex:1}
#view .ticks{font-family:var(--mono);font-size:10px;color:#666}
#view .ticks span+span{margin-left:8px}
#view .w{display:inline-block;width:22px;background:#222;vertical-align:middle;margin:0 3px 0 6px}
#view .count{margin-left:auto;color:#666}
#view .legend .sw{display:inline-block;width:10px;height:10px;border:1px solid var(--rule);margin-right:-3px}

/* detail (right), bottom strip (readout, hours, drawer) */
#detail{position:fixed;top:0;right:0;bottom:var(--bottom,0px);width:300px;overflow:auto;background:var(--paper);border-left:1px solid var(--rule);padding:8px 10px 14px}   /* full height, stopping above the bottom strip */
#detail[hidden]{display:none}
#detail .head{display:flex;justify-content:space-between;gap:8px;padding-bottom:6px;border-bottom:1px solid var(--rule);margin-bottom:6px}
#detail .head b{font-weight:500}
#detail .head button{color:#666}
#detail table{width:100%;border-collapse:collapse}
#detail td{padding:2px 0;vertical-align:top;border-bottom:1px solid #eee}
#detail td:last-child{text-align:right;font-family:var(--mono);font-size:11px;white-space:nowrap}
#detail .group{font-weight:500;padding:8px 0 2px;border-bottom:1px solid var(--rule)}
#detail .endpoint{font-family:var(--mono);font-size:10px;color:#666;margin:6px 0 0}
#detail button.link{text-decoration:underline;text-underline-offset:3px;color:var(--ink)}
#detail svg{width:100%;height:80px;display:block;margin-top:4px}
#detail svg rect{fill:#111}#detail svg rect.we{fill:#888}
#detail svg text{font:9px var(--mono);fill:#666}
#bottom{position:fixed;left:var(--menu);right:0;bottom:0;display:flex;flex-direction:column;pointer-events:none}
#bottom>*{pointer-events:auto}
#bottom>[hidden]{display:none}
#readout{align-self:flex-start;margin:0 0 6px 10px;background:var(--paper);border:1px solid var(--rule);padding:3px 6px;pointer-events:none}
#hours{background:var(--paper);border-top:1px solid var(--rule);padding:6px 14px 4px}
#hours .top{display:flex;gap:14px;align-items:baseline}
#hours .top button{text-decoration:underline;text-underline-offset:3px}
#hours .right{margin-left:auto;color:#666}
#week{width:100%;height:34px;display:block;margin-top:4px;cursor:pointer}
#week rect{fill:#ddd}#week rect.past{fill:#555}#week line{stroke:var(--ink);stroke-width:1;vector-effect:non-scaling-stroke}
#hour{width:100%;display:block;margin:0;accent-color:#111;height:14px;cursor:pointer}
.days{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;color:#666;font-size:10px}
#drawer{margin:0;background:var(--paper);border-top:1px solid var(--rule);max-height:38vh;overflow:auto;padding:8px 14px;white-space:pre-wrap;overflow-wrap:anywhere;color:#333}
body.detail-open #view{right:300px}   /* the bottom strip keeps its full width */
body.detail-open .maplibregl-ctrl-top-right{right:300px}
.maplibregl-ctrl-top-left{left:var(--menu);top:var(--bar)}
.maplibregl-ctrl-top-right{top:var(--bar)}
.maplibregl-ctrl-scale{border:1px solid var(--ink);border-top:0;background:rgba(255,255,255,.8);font:9px var(--mono);color:var(--ink);border-radius:0}
.maplibregl-ctrl-group{border-radius:0;box-shadow:none;border:1px solid #111}
.maplibregl-ctrl-group button+button{border-top:1px solid #111}
.maplibregl-ctrl-attrib{font:9px var(--sans)!important;background:rgba(255,255,255,.8)!important}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media (max-width:760px){#menu{width:100%;height:auto;max-height:45%;border-right:0;border-bottom:1px solid var(--rule)}#view{left:0;top:auto;bottom:0;border-top:1px solid var(--rule);border-bottom:0}#detail{width:100%;top:auto;bottom:0;max-height:45%;border-left:0;border-top:1px solid var(--rule)}#bottom{left:0;bottom:var(--bar)}body.detail-open #view{right:0}.maplibregl-ctrl-top-left{left:0;top:0}.maplibregl-ctrl-top-right{top:0}}

/* mobility screen (mobility.js): left-column blocks, panel controls, bars, histograms, box plots */
.src.mob .head{cursor:default}
.src.mob .head select{font:inherit;font-family:var(--mono);font-size:11px;border:0;border-bottom:1px solid var(--ink);background:none;color:inherit;padding:0 0 1px}
.src.mob .opt{display:grid;grid-template-columns:1fr auto;gap:8px;padding:3px 10px;white-space:nowrap;align-items:baseline}
.src.mob .opt .mono{color:#666;font-size:10px}
.src.mob .opt select{font:inherit;font-family:var(--mono);font-size:10px;border:0;border-bottom:1px solid var(--ink);background:none;color:inherit}
.src.mob .note{padding:4px 10px 6px;font-size:11px}
.kv{display:flex;justify-content:space-between;gap:8px;padding:2px 10px;color:#666;font-size:10px}
#detail .kv{padding:3px 0;border-bottom:1px solid #eee;color:#333;font-size:11px}
.seg{display:inline-flex}
.seg button{padding:1px 7px;border:1px solid var(--ink);margin-left:-1px;font-family:var(--mono);font-size:10px;line-height:1.4}
.seg button[aria-pressed=true]{background:var(--ink);color:#fff}
.src.mob .seg button{font-size:10px}
button.link{text-decoration:underline;text-underline-offset:3px}
button.link[aria-pressed=true]{font-weight:500}
.mob-controls{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;padding:6px 0 2px}
.mob-controls .tau{display:flex;align-items:center;gap:6px;flex:1 0 100%}
.mob-controls .tau input{flex:1;accent-color:#111;height:14px;margin:0}
.mob-controls .tau output{min-width:44px;text-align:right}
#detail table.bars td:last-child{text-align:left;width:40%}
#detail table.bars i{display:block;height:6px;background:#111;min-width:0}
#detail table.bars td:nth-child(2){text-align:right;font-family:var(--mono);font-size:11px;white-space:nowrap;padding-right:8px}
#detail svg.hist{height:64px}
#detail svg.box{height:auto}
#detail svg.box line{stroke:#111;stroke-width:1}
#detail svg.box line.tick{stroke:#e4e4e4}
#detail svg.box line.med{stroke:#fff;stroke-width:1.5}
#detail svg.box rect{fill:#111}
#detail svg.box text{font:9px var(--mono);fill:#333}
#detail svg.box text.axis{fill:#999}
#detail svg polyline.obs{fill:none;stroke:#999;stroke-width:1.2}
#detail .group .mono{font-weight:400;color:#666}
#detail .kv.wrap,#detail .kv:has(.seg){flex-wrap:wrap;row-gap:4px}
#detail svg.box text{fill:#111}
#detail svg.box text:last-of-type{fill:#111}

/* mobility screen, trimmed layout: wide panel, tool selector, disabled states, trip-position chart */
body.mob #detail{width:600px}
body.mob.detail-open #view{right:600px}
body.mob.detail-open .maplibregl-ctrl-top-right{right:600px}
.src.mob .tools{display:flex;padding:6px 10px 10px}
.src.mob .tools button{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:7px 4px 6px;border:1px solid var(--ink);margin-left:-1px;font-size:10px;text-align:center}
.src.mob .tools button:first-child{margin-left:0}
.src.mob .tools button[aria-pressed=true]{background:var(--ink);color:#fff}
.src.mob .tools button svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.4;stroke-linecap:round}
.seg button[disabled]{color:#b5b5b5;border-color:#c8c8c8;cursor:default}
.seg button[disabled]+button{border-left-color:#c8c8c8}
.src.mob .opt.dim{color:#aaa}
.src.mob .opt.dim .mono{color:#bbb}
.src.mob .opt input[type=range]{width:96px;accent-color:#111;height:12px;vertical-align:middle;margin:0 6px 0 0}
.src.mob .opt input[type=range]:disabled{accent-color:#bbb}
.src.mob .opt output{display:inline-block;min-width:44px;text-align:right}
#view select{font:inherit;font-family:var(--mono);font-size:11px;border:0;border-bottom:1px solid var(--ink);background:none;color:inherit;margin-left:4px}
#view .seg button{font-size:10px}
#detail svg.pos{height:auto}
#detail svg.pos rect.l{fill:#2166ac}
#detail svg.pos rect.r{fill:#d94801}
#detail svg.pos line{stroke:#111;stroke-width:1}
#detail svg.pos line.med{stroke:#111;stroke-width:1;stroke-dasharray:2 2}
#detail svg.pos text{fill:#333}
#detail svg line.now{stroke:#d94801;stroke-width:1.2}
#detail svg text.now{fill:#d94801}
#detail svg[data-spark]{cursor:pointer}
#detail .charts3{display:flex;gap:12px;margin-top:4px}
#detail .charts3>div{flex:1;min-width:0}
#detail .charts3 .cap{font-size:11px;padding:2px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
#detail .charts3 .cap.mono{font-weight:400;font-size:10px}
#detail .charts3 .cap .mono{color:#666;font-size:10px}
#detail svg.hist3{height:auto}
#detail svg.hist3 line.med{stroke:#111;stroke-dasharray:2 2}
.row.title a{color:#666;text-decoration:underline;text-underline-offset:3px}