:root {
  --bg: #fbfaf7;
  --panel: #ffffff;
  --ink: #1d1d1f;
  --muted: #66625b;
  --line: #e4e0d7;
  --soft: #f2efe8;
  --accent: #14707a;
  --rep: #c8423b;
  --dem: #2f6db5;
  --oth: #8c877d;
  --us: #b4afa5;
  --bloc1: #eb6834; --bloc2: #1baf7a; --bloc3: #6250d6;
  --yea-side: rgba(20, 112, 122, 0.07);
  --cut: #1d1d1f;
  --ring: #1d1d1f;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131518; --panel: #1a1d21; --ink: #e9e6e0; --muted: #a29d94; --line: #2c3036; --soft: #20242a;
    --accent: #4fb3bd; --rep: #e2665e; --dem: #5d97e0; --oth: #b3aea5; --us: #5b5751;
    --bloc1: #d95926; --bloc2: #199e70; --bloc3: #9085e9; --yea-side: rgba(79, 179, 189, 0.10);
    --cut: #e9e6e0; --ring: #e9e6e0;
  }
}
:root[data-theme="dark"] {
  --bg: #131518; --panel: #1a1d21; --ink: #e9e6e0; --muted: #a29d94; --line: #2c3036; --soft: #20242a;
  --accent: #4fb3bd; --rep: #e2665e; --dem: #5d97e0; --oth: #b3aea5; --us: #5b5751;
    --bloc1: #d95926; --bloc2: #199e70; --bloc3: #9085e9; --yea-side: rgba(79, 179, 189, 0.10);
  --cut: #e9e6e0; --ring: #e9e6e0;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--sans); }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 650; line-height: 1.2; margin: 0 0 .4em; }
h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
h2 { font-size: 1.35rem; margin-top: 1.6em; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px max(16px, calc((100% - 1100px) / 2)); border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 5; }
.brand { font-family: var(--serif); font-weight: 650; font-size: 1.2rem; color: var(--ink); text-decoration: none; letter-spacing: .01em; }
.top nav { display: flex; gap: 4px; }
.top nav a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 6px; font-size: .95rem; }
.top nav a.on, .top nav a:hover { color: var(--ink); background: var(--soft); }

main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 48px; min-height: 70vh; }
.foot { border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; padding: 18px 16px 28px; text-align: center; }
.foot p { max-width: 760px; margin: 0 auto; }
.loading { color: var(--muted); }

/* session controls */
.controls { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 0 0 18px; }
select, input[type="search"], button { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; }
select { padding-right: 28px; }
input[type="search"] { min-width: 0; width: 100%; max-width: 320px; }
button { cursor: pointer; }
button:hover { border-color: var(--muted); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--panel); }
.seg a { padding: 7px 14px; color: var(--muted); text-decoration: none; font-size: .95rem; }
.seg a + a { border-left: 1px solid var(--line); }
.seg a.on { background: var(--ink); color: var(--bg); }
label.check { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); font-size: .95rem; }

.lede { max-width: 720px; color: var(--muted); }

/* map layout */
.mapwrap { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
@media (max-width: 860px) { .mapwrap { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.plot { width: 100%; }
.plot svg { display: block; width: 100%; height: auto; overflow: visible; }
.plot .frame { fill: none; stroke: var(--line); }
.plot .axis { stroke: var(--line); stroke-dasharray: 2 4; }
.plot .axlabel { fill: var(--muted); font-size: 12px; font-family: var(--sans); }
.plot .pt { stroke-width: 1.6; cursor: pointer; transition: opacity .15s; }
.plot .pt.dim { opacity: .18; }
.plot .pt.hl { stroke: var(--ring); stroke-width: 2.5; }
.plot .cut { stroke: var(--cut); stroke-width: 1.5; stroke-dasharray: 6 4; }
.plot .yeaside { fill: var(--yea-side); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .85rem; color: var(--muted); margin-top: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.ring { background: transparent !important; border: 2px solid; }

.panel h3 { margin-bottom: 2px; }
.panel .kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: .92rem; margin: 10px 0; }
.panel .kv dt { color: var(--muted); }
.panel .kv dd { margin: 0; }
.party-R { color: var(--rep); }
.party-D { color: var(--dem); }
.party-O { color: var(--muted); }

/* tables and lists */
table { width: 100%; border-collapse: collapse; font-size: .93rem; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--soft); }
.tablewrap { overflow: auto; }
.tablewrap.tall { max-height: 70vh; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.tablewrap.tall th { position: sticky; top: 0; background: var(--panel); z-index: 1; }

.votes-list { list-style: none; padding: 0; margin: 0; }
.votes-list li { border-bottom: 1px solid var(--line); }
.votes-list a { display: grid; grid-template-columns: 92px minmax(0, 1fr) auto; gap: 4px 14px; padding: 10px 6px; color: var(--ink); text-decoration: none; }
.votes-list a:hover { background: var(--soft); }
.votes-list .date { color: var(--muted); font-size: .88rem; font-variant-numeric: tabular-nums; }
.votes-list .what { min-width: 0; }
.votes-list .what b { font-weight: 600; }
.votes-list .what span { color: var(--muted); }
.votes-list .tally { font-variant-numeric: tabular-nums; font-size: .9rem; white-space: nowrap; }
@media (max-width: 600px) {
  .votes-list a { grid-template-columns: 1fr auto; }
  .votes-list .date { grid-column: 1 / -1; }
}
.bar { display: flex; height: 8px; border-radius: 4px; overflow: hidden; background: var(--soft); width: 120px; margin-top: 6px; }
.bar i { display: block; height: 100%; }
.more { margin: 16px auto 0; display: block; }

.tally-big { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 1.05rem; margin: 10px 0 4px; }
.tally-big b { font-variant-numeric: tabular-nums; }
.names { columns: 3 180px; column-gap: 20px; font-size: .92rem; margin: 6px 0 14px; padding: 0; list-style: none; }
.names li { break-inside: avoid; padding: 1px 0; }
.context { background: var(--soft); border-radius: 10px; padding: 12px 14px; font-size: .95rem; }
.context p:last-child { margin: 0; }
.badge { display: inline-block; font-size: .78rem; padding: 2px 8px; border-radius: 999px; background: var(--soft); color: var(--muted); margin-left: 6px; vertical-align: 2px; }

.about { max-width: 760px; }
.about h2 { margin-top: 1.8em; }
.about li { margin-bottom: .4em; }
.stat { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 16px 0; }
.stat div { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.stat b { display: block; font-family: var(--serif); font-size: 1.5rem; }
.stat span { color: var(--muted); font-size: .85rem; }

.tip { position: fixed; z-index: 20; pointer-events: none; background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font-size: .85rem; box-shadow: 0 4px 16px rgba(0,0,0,.12); max-width: 260px; }
.tip b { display: block; }

/* what the two axes mean in the era on screen */
.eranote { max-width: 720px; margin-top: 28px; }
.eranote p { margin: 0 0 10px; }

/* trends and blocs */
.facets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 8px 0 12px; }
.facets.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .facets.four { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .facets, .facets.four { grid-template-columns: minmax(0, 1fr); } }
.chartcard h3 { margin-bottom: 2px; }
.chartcard p { margin: 0 0 4px; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart .gl { stroke: var(--line); stroke-width: 1; shape-rendering: crispEdges; }
.chart .tk { fill: var(--muted); font-variant-numeric: tabular-nums; }
.chart .series { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .endlabel { fill: var(--ink); }
.chart .xhair { stroke: var(--muted); stroke-width: 1; }
.chart .pt { stroke: var(--panel); stroke-width: 2; }
.chart .pt.hl { stroke: var(--ring); }
.keys { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .875rem; color: var(--muted); margin: 4px 0 6px; }
.keys span { display: inline-flex; align-items: center; gap: 6px; }
.keyline { display: inline-block; width: 16px; height: 2px; border-radius: 1px; vertical-align: middle; margin-right: 6px; }
.tip .trow { white-space: nowrap; }
.tip .trow b { display: inline; }
.colorby { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; }
.colorby .seg a { padding: 4px 10px; font-size: .85rem; }
.blocs { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 12px; margin-bottom: 8px; }
.blocs h3 { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.blocs p { margin: 0 0 6px; }
details { margin: 8px 0 18px; }
summary { cursor: pointer; color: var(--accent); font-size: .95rem; }
details[open] summary { margin-bottom: 8px; }
/* five nav links on a phone: keep the brand on one line, let the links wrap under it if they must */
.brand { white-space: nowrap; }
.top { flex-wrap: wrap; row-gap: 6px; }
@media (max-width: 560px) { .top nav a { padding: 6px 7px; font-size: .9rem; } .top nav { gap: 2px; } }