/* Mesh Index Studio — visual language after meshindex.net/1xn, on a white ground */
:root{
  --bg:#ffffff; --paper:#ffffff; --ink:#111110; --ink2:#5b5b56; --ink3:#8a8a83; --line:#11111022; --line2:#11111012;
  --accent:#e0391c; --mute:#dcdbd5; --shadow:0 1px 2px rgba(17,17,16,.06),0 10px 28px rgba(17,17,16,.07);
  --sans:Archivo,Helvetica,Arial,sans-serif; --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px}
body{display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden;-webkit-text-size-adjust:100%;text-size-adjust:100%}
button,select{font:inherit}
.muted{color:var(--ink3)}
.lbl,.ctl span,.pane-h,.legend,.tog,.menu-list,.tbl th,.k{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase}

/* top bar */
#bar{flex:none;min-height:48px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;padding:6px 14px;max-width:100%;border-bottom:1px solid var(--line);background:var(--paper);position:relative;z-index:5}
.brand{display:flex;align-items:center;gap:8px;margin-right:6px;white-space:nowrap}
.mark{display:inline-grid;place-items:center;width:26px;height:26px;border:1.5px solid var(--ink);font-family:var(--sans);font-weight:800;font-size:12px}
.brand-t{font-weight:800;letter-spacing:-.01em}
.ctl{display:flex;align-items:center;gap:6px;min-width:0}
.ctl select{min-width:0;max-width:240px}
.tog{white-space:nowrap}
.ctl span{color:var(--ink3)}
select{border:1px solid var(--line);background:#fff;padding:4px 6px;border-radius:0;color:var(--ink);font-size:13px}
.spacer{flex:1}
.tog{border:1px solid var(--ink);background:#fff;color:var(--ink);padding:5px 10px;cursor:pointer;border-radius:0}
.tog:hover{background:#f4f4f1}
.tog.on{background:var(--ink);color:#fff}
.menu{position:relative}
.menu-list{position:absolute;right:0;top:34px;background:#fff;border:1px solid var(--ink);box-shadow:var(--shadow);display:flex;flex-direction:column;min-width:170px;z-index:10}
.menu-list button{border:0;background:#fff;text-align:left;padding:8px 12px;cursor:pointer;font:inherit}
.menu-list button:hover{background:#f4f4f1}
.menu-list[hidden]{display:none}
.menu-sep{height:1px;background:var(--line)}
.menu-row{padding:8px 12px;display:flex;gap:6px;align-items:center}

/* three panes */
#app{flex:1;min-height:0;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:12px;padding:12px}
#pane-graph{grid-row:1 / span 2}
.pane{position:relative;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:0;overflow:hidden}
.pane-h{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-bottom:1px solid var(--line2)}
#graph,#map{flex:1;min-height:0}
#table{flex:1;min-height:0;overflow:auto}

/* legend + tooltip */
.legend{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.94);border:1px solid var(--line);padding:8px 10px;min-width:220px;pointer-events:none}
.legend .ramp{height:8px;margin:6px 0 4px;border:1px solid var(--line2)}
.legend .ends{display:flex;justify-content:space-between;color:var(--ink2)}
.legend .cats{display:grid;grid-template-columns:repeat(2,auto);gap:2px 12px;margin-top:6px;text-transform:none;letter-spacing:0;font-size:11px}
.legend .sw{display:inline-block;width:9px;height:9px;margin-right:5px;vertical-align:-1px}
.tip{position:absolute;pointer-events:none;background:#fff;border:1px solid var(--ink);padding:4px 8px;font-size:12px;box-shadow:var(--shadow);z-index:4}

/* data panel */
#panel{flex:1;overflow:auto;padding:12px 14px}
.p-name{font-weight:800;font-size:22px;letter-spacing:-.01em;line-height:1.1}
.p-sub{color:var(--ink2);margin-top:3px}
.p-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:14px;margin-top:12px}
.kv{display:grid;grid-template-columns:auto 1fr auto;gap:4px 10px;align-items:center}
.k{color:var(--ink3)}
.v{font-family:var(--mono);font-size:13px;text-align:right}
.bar{position:relative;height:6px;background:var(--line2)}
.bar i{position:absolute;top:-3px;width:2px;height:12px;background:var(--accent)}
.bar b{position:absolute;inset:0 auto 0 0;background:var(--mute)}
.chart-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.chart svg{width:100%;height:auto;display:block}
.seg{display:flex;border:1px solid var(--ink)}
.seg button{border:0;background:#fff;padding:2px 8px;cursor:pointer;font-family:var(--mono);font-size:10px}
.seg button.on{background:var(--ink);color:#fff}
.note{margin-top:8px;color:var(--ink3);font-size:12px;line-height:1.35}
.top-list{margin:6px 0 0;padding:0;list-style:none;columns:2;column-gap:18px}
.top-list li{display:flex;justify-content:space-between;gap:8px;padding:2px 0;border-bottom:1px solid var(--line2);cursor:pointer;break-inside:avoid;font-size:12.5px}
.top-list li:hover{color:var(--accent)}

/* raw data table */
.tbl-bar{display:flex;gap:8px;align-items:center;padding:8px 12px;border-bottom:1px solid var(--line2);position:sticky;top:0;background:#fff;z-index:1}
.tbl-bar input{border:1px solid var(--line);padding:4px 6px;font:inherit;flex:1}
.tbl{border-collapse:collapse;width:100%;font-size:12.5px}
.tbl th{position:sticky;top:41px;background:#fff;text-align:right;padding:6px 8px;border-bottom:1px solid var(--ink);cursor:pointer;white-space:nowrap}
.tbl th:first-child,.tbl td:first-child{text-align:left}
.tbl td{padding:4px 8px;border-bottom:1px solid var(--line2);text-align:right;font-family:var(--mono);font-size:12px;white-space:nowrap}
.tbl td:first-child{font-family:var(--sans);font-size:12.5px}
.tbl tr:hover td{background:#f7f7f4;cursor:pointer}
.tbl tr.sel td{background:#fdeee9}

/* loading + dialog */
.loading{position:fixed;inset:48px 0 0 0;display:grid;place-items:center;background:rgba(255,255,255,.7);z-index:20;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.loading[hidden]{display:none}
dialog{border:1px solid var(--ink);box-shadow:var(--shadow);max-width:560px;padding:20px 24px}
dialog h2{margin:0 0 8px;font-weight:800}
dialog li{margin-bottom:6px}
.maplibregl-ctrl-attrib{font-size:10px}

/* axes / labels overlay on the graph (scatter-type and Small-world layouts) */
#overlay{position:absolute;left:0;top:0;pointer-events:none;overflow:visible}
#overlay .axl{stroke:#111110;stroke-width:1}
#overlay .axz{stroke:#8a8a83;stroke-width:1;stroke-dasharray:3 3}
#overlay .ax{font-family:var(--mono);font-size:10px;fill:#5b5b56}
#overlay .axt{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;fill:#111110}
#overlay .gl{font-family:var(--mono);font-size:10px;letter-spacing:.04em;fill:#111110;paint-order:stroke;stroke:#fff;stroke-width:3px}
#pane-graph.scatter-mode .legend{left:auto;right:12px;bottom:auto;top:44px}

/* paper vs reference in the data panel */
.kh{grid-column:1 / -1;font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink3);margin-top:6px;padding-bottom:2px;border-bottom:1px solid var(--line2)}
.kh:first-child{margin-top:0}
.kh.paper{color:#93570c}
.k.paper{color:var(--ink);font-weight:600}
.v.paper{font-weight:700;color:var(--ink)}
.bar.paper b{background:#f2dcae}
.v.ref,.k.ref{color:var(--ink2)}
optgroup{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--ink3)}

/* raw-data table: this paper = bold with warm rule, reference = grey */
.tbl th.paper{color:#93570c;border-bottom-color:#c98a1b}
.tbl td.paper{font-weight:700;color:var(--ink)}
.tbl th.ref,.tbl td.ref{color:var(--ink3)}

/* toy atlas: per-layout table */
.lay-tbl{border-collapse:collapse;width:100%;margin-top:6px;font-size:12.5px}
.lay-tbl th{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink3);font-weight:400;text-align:right;padding:3px 6px;border-bottom:1px solid var(--ink)}
.lay-tbl th:first-child,.lay-tbl td:first-child{text-align:left;padding-left:0}
.lay-tbl td{padding:3px 6px;border-bottom:1px solid var(--line2);text-align:right;font-family:var(--mono);font-size:12px}
.lay-tbl td:first-child{font-family:var(--sans);font-size:12.5px}
.lay-tbl tr[data-id]{cursor:pointer}
.lay-tbl tr[data-id]:hover td{color:var(--accent)}

/* street search */
.tog.icon{display:inline-grid;place-items:center;padding:4px 7px}
.tog.icon svg{display:block}
.search-pop{position:fixed;z-index:15;width:360px;background:#fff;border:1px solid var(--ink);box-shadow:var(--shadow)}
.search-pop[hidden]{display:none}
.search-pop input{width:100%;border:0;border-bottom:1px solid var(--line);padding:9px 12px;font:inherit;font-size:14px;outline:none;border-radius:0}
.search-list{list-style:none;margin:0;padding:0;max-height:min(60vh,340px);overflow:auto}
.search-list li{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"n v" "d v";column-gap:10px;padding:6px 12px;border-bottom:1px solid var(--line2);cursor:pointer}
.search-list li.on{background:#f4f4f1}
.search-list li.on .s-name{color:var(--accent)}
.search-list .s-name{grid-area:n;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.search-list .s-sub{grid-area:d;font-family:var(--mono);font-size:10px;letter-spacing:.04em;color:var(--ink3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.search-list .s-v{grid-area:v;align-self:center;font-family:var(--mono);font-size:12px;color:var(--ink2)}
.search-list li.none{display:block;cursor:default;color:var(--ink3);font-size:12.5px}
@media (max-width:760px){.search-pop{left:8px !important;right:8px;width:auto}}

/* responsive: medium widths (tablets, unfolded foldables) - bar wraps onto two rows, panes keep the 2-column grid */
@media (max-width:1100px){
  .spacer{display:none}
  .brand-t{font-size:13px}
  #pane-panel .pane-h #panel-hint{display:none}
}
/* narrow (phones): one column, page scrolls, fixed pane heights */
@media (max-width:760px){
  body{height:auto;min-height:100dvh;overflow:auto}
  #bar{position:sticky;top:0;gap:6px 8px;padding:6px 10px}
  .brand-t{display:none}
  .ctl span{display:none}
  .ctl{flex:1 1 30%}
  .ctl select{max-width:none;width:100%;font-size:12px}
  .tog{padding:4px 8px;font-size:10px}
  #app{grid-template-columns:minmax(0,1fr);grid-template-rows:62vh auto 55vh;gap:10px;padding:10px 10px 16px}
  #pane-graph{grid-row:auto}
  #pane-panel{max-height:70vh}
  .p-grid{grid-template-columns:minmax(0,1fr)}
  .top-list{columns:1}
  .legend{min-width:0;max-width:calc(100% - 24px);padding:6px 8px}
  .loading{inset:0}
}