:root {
  --bg: #ffffff;
  --panel: rgba(255,255,255,0.94);
  --ink: #16202a;
  --ink-2: #4c5966;
  --ink-3: #8a96a3;
  --line: #e3e8ee;
  --accent: #1e6fb8;
  --cat-1: #2a78d6; --cat-2: #eb6834; --cat-3: #1baf7a; --cat-4: #eda100; --cat-5: #e87ba4; --cat-6: #008300; --cat-7: #4a3aa7; --cat-8: #e34948;   /* categorical slots, fixed order (dataviz palette) */
  --chart: #1e6fb8;      /* chart marks; validated per mode (dataviz) */
  --snow: #dbeaf7; --snow-ink: #6a8fb5;
  --t-up: #d97a1f; --t-down: #2f7fd0;   /* diverging poles, validated (dataviz) */
  --c-stream: #2a7fbf;
  --c-lake:   #7b5cc7;
  --c-ground: #d98c2b;
  --c-other:  #8a8f98;
  --radius: 12px;
  --shadow: 0 8px 30px rgba(20,30,40,0.14);
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1418;
    --panel: rgba(18,23,28,0.94);
    --ink: #e8edf2;
    --ink-2: #aab5c0;
    --ink-3: #6f7c88;
    --line: #2a333c;
    --accent: #5aa5e8;
    --chart: #4494e0;
    --cat-1: #3987e5; --cat-2: #d95926; --cat-3: #199e70; --cat-4: #c98500; --cat-5: #d55181; --cat-6: #008300; --cat-7: #9085e9; --cat-8: #e66767;
    --snow: #2b3f55; --snow-ink: #9dbbdc;
    --t-up: #cf7f2a; --t-down: #4494e0;
    --shadow: 0 8px 30px rgba(0,0,0,0.5);
  }
}
:root[data-theme="dark"] {
  --bg: #0f1418; --panel: rgba(18,23,28,0.94); --ink: #e8edf2; --ink-2: #aab5c0;
  --ink-3: #6f7c88; --line: #2a333c; --accent: #5aa5e8; --chart: #4494e0; --cat-1: #3987e5; --cat-2: #d95926; --cat-3: #199e70; --cat-4: #c98500; --cat-5: #d55181; --cat-6: #008300; --cat-7: #9085e9; --cat-8: #e66767; --snow: #2b3f55; --snow-ink: #9dbbdc; --t-up: #cf7f2a; --t-down: #4494e0; --shadow: 0 8px 30px rgba(0,0,0,0.5);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.45 Inter, system-ui, -apple-system, sans-serif; }
#stage { position: relative; height: 100vh; height: 100svh; overflow: hidden; }
#map { position: absolute; inset: 0; }

#panel {
  position: absolute; top: 16px; left: 16px; bottom: 16px; width: 360px;
  background: var(--panel); backdrop-filter: blur(10px);
  border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden; z-index: 5;
}
.panel-head { padding: 18px 20px 12px; border-bottom: 1px solid var(--line); }
.eyebrow { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
.eyebrow .brand { color: var(--accent); text-decoration: none; }
.eyebrow .brand:hover { text-decoration: underline; }
.eyebrow .sep { margin: 0 6px; }
h1 { margin: 2px 0 4px; font-size: 21px; font-weight: 700; letter-spacing: -0.01em; }
.lede { margin: 0; color: var(--ink-2); font-size: 13px; }
.view { padding: 12px 20px; overflow-y: auto; flex: 1; }
.hidden { display: none !important; }
h2 { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3);
  margin: 18px 0 8px; font-weight: 600; }
.view h2:first-child { margin-top: 4px; }

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 4px; }
.stat { background: color-mix(in srgb, var(--ink) 5%, transparent); border-radius: 8px; padding: 8px 10px; }
.stat b { display: block; font-size: 18px; font-weight: 700; font-family: var(--mono); letter-spacing: -0.02em; }
.stat span { font-size: 11px; color: var(--ink-3); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: transparent; color: var(--ink-2);
  border-radius: 999px; padding: 4px 11px; font: inherit; font-size: 12.5px; cursor: pointer; }
.chip:hover { border-color: var(--ink-3); }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip.more { border-style: dashed; color: var(--ink-3); }
#param-chips-more { margin-top: 6px; }

.toggle { display: flex; align-items: center; gap: 8px; padding: 3px 0; color: var(--ink-2); cursor: pointer; }
.toggle input { accent-color: var(--accent); }

.legend { display: flex; flex-direction: column; gap: 2px; color: var(--ink-2); font-size: 13px; }
.legend label { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 2px 0; }
.legend label input { accent-color: var(--accent); margin: 0; }
.legend label.off { color: var(--ink-3); } .legend label.off .dot { opacity: .35; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; vertical-align: -1px; }
.muted { color: var(--ink-3); font-size: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
td { padding: 4px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
td.num { text-align: right; font-family: var(--mono); font-size: 12px; color: var(--ink-2); white-space: nowrap; }
.orgs td:first-child { color: var(--ink-2); }
.orgs .code { color: var(--ink-3); font-size: 11px; font-family: var(--mono); }

.back { border: 0; background: transparent; color: var(--accent); font: inherit; padding: 0; cursor: pointer; margin-bottom: 8px; }
.station-name { font-size: 16px; text-transform: none; letter-spacing: 0; color: var(--ink); margin: 0 0 4px; font-weight: 700; }
.station-meta { color: var(--ink-2); font-size: 12.5px; margin-bottom: 12px; }
.station-meta .code { font-family: var(--mono); color: var(--ink-3); font-size: 11.5px; }

.prow { display: grid; grid-template-columns: 1fr 150px; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.prow .lab { font-weight: 600; }
.prow .sub { color: var(--ink-3); font-size: 12px; font-family: var(--mono); }
.prow .val { font-family: var(--mono); font-size: 13px; color: var(--ink-2); }
.spark { width: 150px; height: 40px; display: block; }
.spark path { fill: none; stroke: var(--accent); stroke-width: 1.6; }
.spark circle { fill: var(--accent); }
.spark text { font: 9px var(--mono); fill: var(--ink-3); }

.actions { margin-top: 14px; }
.actions button { width: 100%; border: 1px solid var(--line); background: transparent; color: var(--ink);
  border-radius: 8px; padding: 8px; font: inherit; cursor: pointer; }
.actions button:hover { border-color: var(--accent); color: var(--accent); }

.panel-foot { padding: 10px 20px; border-top: 1px solid var(--line); font-size: 11px; color: var(--ink-3);
  display: flex; flex-direction: column; gap: 2px; }
.panel-foot a { color: inherit; }
.panel-foot .foot-link { color: var(--accent); text-decoration: none; font-weight: 600; margin-top: 4px; }
.panel-foot .foot-link:hover { text-decoration: underline; }

/* ---------- How it's built ---------- */
.about { background: var(--bg); border-top: 1px solid var(--line); }
.about-inner { max-width: 720px; margin: 0 auto; padding: 56px 20px 72px; }
.about .eyebrow { margin: 0 0 6px; }
.about h2 { font-size: 28px; line-height: 1.15; letter-spacing: -0.02em; text-transform: none; color: var(--ink); margin: 0 0 14px; font-weight: 700; }
.about h3 { font-size: 15px; margin: 34px 0 10px; color: var(--ink); font-weight: 700; }
.about p, .about li { font-size: 15px; line-height: 1.6; color: var(--ink-2); }
.about .lead { font-size: 17px; color: var(--ink); }
.about ul { padding-left: 20px; margin: 0; }
.about li { margin: 6px 0; }
.about a { color: var(--accent); }
.about code { font-family: var(--mono); font-size: 13px; background: color-mix(in srgb, var(--ink) 7%, transparent); padding: 1px 5px; border-radius: 4px; }
.numbers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 24px 0 8px; }
.numbers .stat b { font-size: 22px; }
.steps { list-style: none; padding: 0; margin: 0; }
.steps li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.steps .n { width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #fff; font: 600 12px var(--mono); display: grid; place-items: center; margin-top: 2px; }
.stack { font-family: var(--mono); font-size: 12.5px !important; color: var(--ink-3) !important; }
.cta { margin-top: 36px; padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.cta p { margin: 0 0 12px; }
.cta p:last-child { margin: 0; }
.button { display: inline-block; padding: 8px 14px; border-radius: 8px; background: var(--accent); color: #fff !important; text-decoration: none; font-weight: 600; font-size: 14px; margin-right: 8px; }
.button.ghost { background: transparent; color: var(--accent) !important; border: 1px solid var(--accent); }
.fine { font-size: 12px !important; color: var(--ink-3) !important; margin-top: 28px; }

.tip { position: absolute; z-index: 6; pointer-events: none; background: var(--panel); color: var(--ink);
  border-radius: 6px; padding: 5px 9px; font-size: 12px; box-shadow: var(--shadow); max-width: 260px; }
.tip .sub { color: var(--ink-3); font-size: 11px; }

.maplibregl-ctrl-group { box-shadow: var(--shadow) !important; }
.maplibregl-ctrl-attrib { font-size: 10px; }

@media (max-width: 720px) {
  .numbers { grid-template-columns: repeat(2, 1fr); }
  .about h2 { font-size: 23px; }
  #panel { top: auto; left: 0; right: 0; bottom: 0; width: auto; max-height: 55vh;
    border-radius: var(--radius) var(--radius) 0 0; }
  .view { padding: 10px 16px; }
  .panel-head { padding: 14px 16px 10px; }
  .stat-row { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- feature button ---------- */
.feature { display: block; width: 100%; text-align: left; margin-top: 8px; padding: 10px 12px;
  border: 1px solid var(--accent); border-radius: 10px; background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--ink); font: inherit; cursor: pointer; }
.feature b { display: block; color: var(--accent); font-size: 14px; }
.feature span { font-size: 12px; color: var(--ink-2); }
.feature:hover { background: color-mix(in srgb, var(--accent) 14%, transparent); }

/* ---------- profile drawer ---------- */
.drawer { position: absolute; left: 392px; right: 16px; bottom: 16px; height: clamp(300px, 44vh, 440px); z-index: 5;
  background: var(--panel); backdrop-filter: blur(10px); border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 10px 14px 6px; border-bottom: 1px solid var(--line); }
.drawer-title { font-size: 13px; }
.drawer-title .sub { color: var(--ink-3); margin-left: 8px; font-size: 12px; }
.drawer-controls { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.drawer-controls select, .drawer-controls .ghostbtn, #pf-play { font: inherit; font-size: 12.5px; color: var(--ink);
  background: transparent; border: 1px solid var(--line); border-radius: 7px; padding: 4px 8px; cursor: pointer; }
.drawer-controls select:hover, .ghostbtn:hover, #pf-play:hover { border-color: var(--accent); color: var(--accent); }
.ghostbtn[aria-pressed="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }
.pf-time { display: flex; align-items: center; gap: 8px; }
#pf-play { width: 30px; text-align: center; padding: 4px 0; }
.pf-slider { position: relative; width: 220px; height: 26px; }
#pf-avail { position: absolute; left: 6px; right: 6px; bottom: 16px; width: calc(100% - 12px); height: 10px; }
#pf-avail rect { fill: var(--ink-3); opacity: .35; }
#pf-year { position: absolute; left: 0; bottom: 0; width: 100%; margin: 0; accent-color: var(--accent); }
#pf-yearout { font-family: var(--mono); font-size: 13px; min-width: 40px; }
.drawer-body { position: relative; flex: 1; min-height: 0; }
#pf-svg { width: 100%; height: 100%; display: block; }
#pf-svg text { font: 11px Inter, system-ui, sans-serif; fill: var(--ink-3); }
#pf-svg .axis line, #pf-svg .grid line { stroke: var(--line); stroke-width: 1; }
#pf-svg .axis-title { fill: var(--ink-3); font-size: 11px; }
#pf-svg .tick text { font-family: var(--mono); font-variant-numeric: tabular-nums; }
#pf-svg .lm line { stroke: var(--ink-3); stroke-opacity: .35; stroke-width: 1; }
#pf-svg .lm text { fill: var(--ink-2); font-size: 10.5px; }
#pf-svg .lm rect { fill: var(--ink); opacity: .05; }
#pf-svg .band { fill: var(--chart); opacity: .10; }
#pf-svg .ghost-line { fill: none; stroke: var(--ink-3); stroke-opacity: .5; stroke-width: 1; }
#pf-svg .ghost { fill: var(--panel); stroke: var(--ink-3); stroke-width: 1.2; }
#pf-svg .cur-line { fill: none; stroke: var(--chart); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
#pf-svg .cur { fill: var(--chart); stroke: var(--bg); stroke-width: 2; }
#pf-svg .cur.hot { r: 6; }
#pf-svg .hit { fill: transparent; cursor: pointer; }
#pf-svg .xhair { stroke: var(--ink-2); stroke-width: 1; stroke-opacity: .6; pointer-events: none; }
#pf-tip { position: absolute; }
#pf-tip b { font-family: var(--mono); font-size: 14px; color: var(--ink); }
.pf-empty { position: absolute; left: 50%; top: 45%; transform: translate(-50%, -50%); color: var(--ink-3);
  font-size: 13px; text-align: center; pointer-events: none; }
#pf-tablewrap { position: absolute; inset: 0; overflow: auto; background: var(--panel); padding: 8px 14px; }
#pf-tbl th { text-align: left; font-size: 11px; color: var(--ink-3); font-weight: 600; padding: 4px 0; border-bottom: 1px solid var(--line); }
#pf-tbl th.num { text-align: right; }
#pf-tbl tr { cursor: pointer; } #pf-tbl tr:hover td { color: var(--accent); }
.drawer-key { display: flex; gap: 16px; padding: 5px 14px 8px; font-size: 11px; color: var(--ink-3); border-top: 1px solid var(--line); flex-wrap: wrap; }
.drawer-key i { display: inline-block; vertical-align: middle; margin-right: 6px; }
.k-cur { width: 9px; height: 9px; border-radius: 50%; background: var(--chart); }
.k-ghost { width: 8px; height: 8px; border-radius: 50%; border: 1.2px solid var(--ink-3); }
.k-band { width: 14px; height: 9px; background: var(--chart); opacity: .18; border-radius: 2px; }
body.pf-open #panel { bottom: calc(clamp(300px, 44vh, 440px) + 32px); }
@media (max-width: 720px) {
  .drawer { left: 0; right: 0; bottom: 0; height: 62vh; border-radius: var(--radius) var(--radius) 0 0; }
  body.pf-open #panel { display: none; }
  .pf-slider { width: 150px; }
}

/* ---------- the basin breathes ---------- */
#br-play { width: 30px; text-align: center; padding: 4px 0; }
.toggle.small { font-size: 12.5px; padding: 0; gap: 5px; }
.br-body { position: relative; flex: 1; min-height: 0; display: grid; grid-template-rows: auto 1fr; }
.br-date { display: flex; align-items: baseline; gap: 12px; padding: 8px 14px 0; }
.br-date b { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.br-date span { color: var(--ink-2); font-size: 12.5px; font-family: var(--mono); }
#br-svg { width: 100%; height: 100%; display: block; cursor: crosshair; }
#br-svg text { font: 10.5px Inter, system-ui, sans-serif; fill: var(--ink-3); }
#br-svg .grid line { stroke: var(--line); stroke-width: 1; }
#br-svg .tick { font-family: var(--mono); font-variant-numeric: tabular-nums; }
#br-svg .snow-area { fill: var(--snow); opacity: .35; }
#br-svg .snow-line { fill: none; stroke: var(--snow-ink); stroke-width: 2; stroke-linejoin: round; }
#br-svg .flow-area { fill: var(--chart); opacity: .12; }
#br-svg .flow-line { fill: none; stroke: var(--chart); stroke-width: 2; stroke-linejoin: round; }
#br-svg .cursor { stroke: var(--ink); stroke-width: 1.2; }
#br-svg .cursor-dot { stroke: var(--bg); stroke-width: 2; }
#br-svg .plabel { fill: var(--ink-2); font-weight: 600; }
.k-snow { width: 10px; height: 10px; border-radius: 50%; background: var(--snow); border: 1.5px solid var(--snow-ink); }
.k-flow { width: 10px; height: 10px; border-radius: 50%; background: var(--chart); opacity: .8; }
body.br-open #panel { bottom: calc(clamp(300px, 44vh, 440px) + 32px); }
@media (max-width: 720px) { body.br-open #panel { display: none; } }

/* ---------- trends ---------- */
.feature[aria-pressed="true"] { background: var(--accent); }
.feature[aria-pressed="true"] b, .feature[aria-pressed="true"] span { color: #fff; }
.dot.t-up { background: var(--t-up); } .dot.t-down { background: var(--t-down); }
.dot.t-none { background: var(--ink-3); }
.dot.t-na { background: transparent; border: 1.5px solid var(--ink-3); box-sizing: border-box; }
#trend-box { margin-top: 8px; }
#trend-top td:first-child { color: var(--ink); cursor: pointer; }
#trend-top tr:hover td { color: var(--accent); }
#trend-top .code { color: var(--ink-3); font-size: 11px; font-family: var(--mono); }
.tdir { font-weight: 700; } .tdir.up { color: var(--t-up); } .tdir.down { color: var(--t-down); }
.prow .trend { font-size: 11.5px; color: var(--ink-2); margin-top: 2px; }
.prow .trend .tdir { font-family: var(--mono); }
.spark .sen { fill: none; stroke-width: 1.4; stroke: var(--ink-3); }
.spark .sen.up { stroke: var(--t-up); } .spark .sen.down { stroke: var(--t-down); }

/* ---------- stories ---------- */
:root { --fire: #b3261e; }
.drawer.story { height: clamp(360px, 60vh, 640px); }
.story-body { flex: 1; min-height: 0; overflow-y: auto; padding: 10px 14px; position: relative; }
.story-blurb { margin: 0 0 8px; font-size: 13px; color: var(--ink-2); line-height: 1.5; }
.story-verdict { font-size: 13.5px; margin: 0 0 10px; padding: 8px 12px; border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent); border-radius: 0 8px 8px 0; }
.story-verdict b { font-family: var(--mono); }
.story-charts { display: grid; grid-template-columns: 3fr 2fr; gap: 12px; min-height: 200px; }
.story-chart { display: flex; flex-direction: column; min-height: 200px; }
.chart-title { font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; margin-bottom: 4px; }
.story-chart svg { flex: 1; width: 100%; min-height: 180px; display: block; }
.story-chart text { font: 10.5px Inter, system-ui, sans-serif; fill: var(--ink-3); }
.story-chart .tick { font-family: var(--mono); }
.story-chart .grid line { stroke: var(--line); stroke-width: 1; }
.story-chart .event { stroke: var(--fire); stroke-width: 1.5; }
.story-chart .event-label { fill: var(--fire); font-weight: 600; }
.story-chart .pt { stroke: var(--bg); stroke-width: 1; opacity: .8; cursor: pointer; }
.story-chart .pt.impact { fill: var(--t-up); } .story-chart .pt.control { fill: var(--t-down); }
.story-chart .med { stroke-width: 2.5; stroke-linecap: round; }
.story-chart .med.impact { stroke: var(--t-up); } .story-chart .med.control { stroke: var(--t-down); }
.story-chart .db-line { stroke: var(--ink-3); stroke-width: 1.5; }
.story-chart .db-line.impact { stroke: var(--t-up); } .story-chart .db-line.control { stroke: var(--t-down); }
.story-chart .db0 { fill: var(--bg); stroke-width: 1.5; } .story-chart .db1 { stroke: var(--bg); stroke-width: 1.5; }
.story-chart .db0.impact, .story-chart .db1.impact { stroke: var(--t-up); } .story-chart .db1.impact { fill: var(--t-up); }
.story-chart .db0.control, .story-chart .db1.control { stroke: var(--t-down); } .story-chart .db1.control { fill: var(--t-down); }
.story-chart .db-name { fill: var(--ink-2); cursor: pointer; }
.story-chart .hit { fill: transparent; cursor: pointer; }
.k-fire { width: 14px; height: 9px; background: var(--fire); opacity: .3; border: 1px solid var(--fire); border-radius: 2px; }
#st-tablewrap { margin-top: 8px; }
#st-tbl th { text-align: left; font-size: 11px; color: var(--ink-3); font-weight: 600; padding: 4px 0; border-bottom: 1px solid var(--line); }
#st-tbl th.num { text-align: right; } #st-tbl tr { cursor: pointer; } #st-tbl tr:hover td { color: var(--accent); }
body.st-open #panel { bottom: calc(clamp(360px, 60vh, 640px) + 32px); }
@media (max-width: 720px) { body.st-open #panel { display: none; } .story-charts { grid-template-columns: 1fr; } }

.findings { margin-top: 14px; }
.findings h3, .reading summary { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; margin: 0 0 6px; }
.findings ul, .reading ul { margin: 0; padding-left: 18px; }
.findings li { font-size: 13px; color: var(--ink); line-height: 1.5; margin: 6px 0; }
.findings li cite { display: block; font-style: normal; font-size: 11.5px; color: var(--ink-3); }
.findings a, .reading a { color: var(--accent); }
.reading { margin-top: 12px; } .reading summary { cursor: pointer; }
.reading li { font-size: 12px; color: var(--ink-2); margin: 4px 0; }
.reading li .yr { font-family: var(--mono); color: var(--ink-3); margin-right: 6px; }
.story-chart .grad-dot { stroke: var(--bg); stroke-width: 1.5; cursor: pointer; }
.story-chart .grad-dot.impact { fill: var(--t-up); } .story-chart .grad-dot.control { fill: var(--t-down); }
.story-chart .grad-dot.upstream { fill: var(--bg); stroke: var(--ink-2); stroke-width: 1.5; }
.story-chart .ref-line { stroke: var(--t-down); stroke-width: 1.5; stroke-dasharray: none; opacity: .7; }
.story-chart .src-line { stroke: var(--fire); stroke-width: 1.5; }
.k-source { width: 10px; height: 10px; background: var(--fire); transform: rotate(45deg); display: inline-block; }

/* ---------- plain-language layer ---------- */
.listen { margin: 0 0 12px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: color-mix(in srgb, var(--ink) 4%, transparent); }
.listen-head { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.listen-icon { font-size: 20px; }
.listen b { font-size: 13.5px; }
.listen audio { width: 100%; height: 36px; }
.listen details { margin-top: 8px; } .listen summary { cursor: pointer; font-size: 12px; color: var(--accent); }
.plain { margin: 0 0 12px; padding: 10px 14px; border-left: 3px solid var(--t-down); border-radius: 0 8px 8px 0; background: color-mix(in srgb, var(--t-down) 6%, transparent); }
.plain h3 { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; margin: 0 0 6px; }
.plain-body { font-size: 14px; line-height: 1.6; color: var(--ink); }
.plain-body p { margin: 0 0 8px; } .plain-body p:last-child { margin: 0; }
.plain-body ul { margin: 4px 0 8px; padding-left: 18px; }
.plain-cap { margin: 8px 0 0; font-size: 11.5px; color: var(--ink-3); }
.reading li.has-summary > a { font-weight: 600; }
.reading .pub-summary { margin: 4px 0 8px; }
.reading .pub-summary summary { font-size: 12px; color: var(--accent); cursor: pointer; }
.reading .pub-summary .plain-body { margin-top: 6px; padding: 8px 12px; border-left: 3px solid var(--t-down); background: color-mix(in srgb, var(--t-down) 6%, transparent); border-radius: 0 8px 8px 0; font-size: 13.5px; }
.reading .pub-summary .plain-cap { margin: 4px 0 0 12px; }
.badge { display: inline-block; font-size: 10px; letter-spacing: .04em; text-transform: uppercase; padding: 1px 6px; border-radius: 999px; background: var(--t-down); color: #fff; margin-left: 6px; vertical-align: 1px; }
.feature .badges { display: block; margin-top: 3px; }

/* ---------- when ---------- */
.when-row { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.when-lab { font-size: 12px; color: var(--ink-3); display: flex; flex-direction: column; gap: 3px; }
.when-lab select, .when-lab input { font: inherit; font-size: 12.5px; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 7px; padding: 4px 6px; }
.when-slider { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.when-slider input { flex: 1; accent-color: var(--accent); }
.when-slider output { font-family: var(--mono); font-size: 12px; min-width: 120px; text-align: right; color: var(--ink-2); }
#when-summary { margin: 6px 0 0; }
.when-card { margin-top: 8px; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: color-mix(in srgb, var(--accent) 6%, transparent); font-size: 13px; line-height: 1.5; }
.when-card b { font-family: var(--mono); }
.when-card .cap { font-size: 11px; color: var(--ink-3); margin-top: 6px; }

/* ---------- guided panel ---------- */
.nudge { margin: 10px 0 4px; padding: 8px 12px; border-radius: 8px; background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--ink); font-size: 12.5px; line-height: 1.45; border-left: 3px solid var(--accent); }
.nudge .nudge-map { color: var(--ink-2); }
.step { border-top: 1px solid var(--line); margin-top: 10px; padding-top: 4px; }
.step:first-of-type { border-top: 0; }
.step > summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 24px 1fr; column-gap: 10px; padding: 8px 0; }
.step > summary::-webkit-details-marker { display: none; }
.step > summary .n { width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: #fff; font: 700 12px var(--mono); display: grid; place-items: center; grid-row: span 2; align-self: start; margin-top: 1px; }
.step > summary .h { font-size: 15px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.step > summary .h::after { content: "▾"; float: right; color: var(--ink-3); font-size: 12px; margin-top: 2px; transition: transform .15s; }
.step:not([open]) > summary .h::after { transform: rotate(-90deg); }
.step > summary .sub { font-size: 12px; color: var(--ink-2); line-height: 1.4; }
.step:not([open]) > summary .sub { display: none; }
.step-body { padding: 2px 0 6px 34px; }
.step-body h2 { margin-top: 14px; }
.step-body h2:first-child { margin-top: 4px; }
.step-body .feature { margin-top: 8px; }
.step-body .feature:first-child { margin-top: 0; }
@media (max-width: 720px) { .step-body { padding-left: 0; } }

.invite { margin-top: 12px; padding: 12px 14px; border: 1px dashed var(--accent); border-radius: 10px; font-size: 12.5px; color: var(--ink-2); }
.invite b { display: block; color: var(--ink); font-size: 13.5px; margin-bottom: 3px; }
.invite span { display: block; margin-bottom: 8px; line-height: 1.45; }
.invite .button { font-size: 13px; padding: 6px 12px; }

/* ---------- teach it ---------- */
.res-group { margin-top: 8px; }
.res-group h3 { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; margin: 10px 0 6px; }
.res { display: grid; grid-template-columns: 30px 1fr; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.res .ico { width: 28px; height: 28px; border-radius: 7px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 10%, transparent); font-size: 15px; }
.res b { display: block; font-size: 13.5px; color: var(--ink); }
.res .meta { font-size: 11.5px; color: var(--ink-3); margin: 2px 0 4px; }
.res p { margin: 0 0 6px; font-size: 12.5px; color: var(--ink-2); line-height: 1.45; }
.res .acts a { font-size: 12.5px; color: var(--accent); margin-right: 12px; text-decoration: none; }
.res .acts a:hover { text-decoration: underline; }
.res-invite { margin-top: 10px; font-size: 12px; color: var(--ink-3); }

/* ---------- people ---------- */
:root { --pop-lo: #e8f1fa; --pop-hi: #1e3a5f; --grow-lo: #fdf1e6; --grow-hi: #b3520f; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --pop-lo: #1c2b3a; --pop-hi: #8fc1ee; --grow-lo: #3a2a1c; --grow-hi: #f0a05a; } }
:root[data-theme="dark"] { --pop-lo: #1c2b3a; --pop-hi: #8fc1ee; --grow-lo: #3a2a1c; --grow-hi: #f0a05a; }
#people-box { margin-top: 8px; }
.ramp { height: 10px; border-radius: 5px; margin: 8px 0 2px; }
.ramp-labels { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); }
.people-spark { width: 100%; height: 48px; display: block; margin: 8px 0 4px; }
.people-spark path { fill: none; stroke: var(--chart); stroke-width: 2; }
.people-spark .area { fill: var(--chart); opacity: .12; stroke: none; }
.people-spark text { font: 10px var(--mono); fill: var(--ink-3); }
.people-spark .dot { fill: var(--chart); stroke: var(--bg); stroke-width: 1.5; }

/* ---------- fly the river ---------- */
.fly { position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 7; width: min(680px, calc(100% - 32px));
  background: var(--panel); backdrop-filter: blur(10px); border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px 16px 10px; }
.fly-cap { min-height: 44px; }
.fly-where { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.fly-note { font-size: 13px; color: var(--ink-2); line-height: 1.4; }
.fly-bar { height: 4px; background: var(--line); border-radius: 2px; margin: 8px 0; overflow: hidden; }
.fly-prog { height: 100%; width: 0; background: var(--accent); }
.fly-ctl { display: flex; align-items: center; gap: 10px; }
.fly-ctl button { font: inherit; font-size: 12.5px; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 7px; padding: 4px 10px; cursor: pointer; }
.fly-ctl button:hover { border-color: var(--accent); color: var(--accent); }
.fly-ctl #fly-story { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.fly-km { font-family: var(--mono); font-size: 12px; color: var(--ink-3); flex: 1; }
body.fly-on #panel { display: none; }

/* ---------- in the news ---------- */
.news { margin-top: 14px; }
.news h2 { display: flex; justify-content: space-between; align-items: center; }
.news-pins { font-size: 11px; text-transform: none; letter-spacing: 0; font-weight: 400; }
#news-list { list-style: none; margin: 0; padding: 0; }
#news-list li { padding: 6px 0; border-bottom: 1px solid var(--line); }
#news-list a { color: var(--ink); text-decoration: none; font-size: 12.5px; font-weight: 600; line-height: 1.35; display: block; }
#news-list a:hover { color: var(--accent); }
#news-list .meta { font-size: 11px; color: var(--ink-3); margin-top: 2px; }
#news-list .meta .place { color: var(--accent); cursor: pointer; }

/* ---------- river right now ---------- */
.now { margin-top: 10px; }
.now-tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.now-tile { background: color-mix(in srgb, var(--accent) 7%, transparent); border-radius: 8px; padding: 7px 9px; }
.now-tile b { display: block; font-size: 17px; font-family: var(--mono); letter-spacing: -0.02em; }
.now-tile b small { font-size: 10px; font-family: Inter, system-ui, sans-serif; color: var(--ink-3); font-weight: 600; }
.now-tile span { display: block; font-size: 11.5px; color: var(--ink); line-height: 1.3; }
.now-tile em { display: block; font-style: normal; font-size: 10.5px; color: var(--ink-3); }
.now-foot { margin: 6px 0 0; font-size: 11px; color: var(--ink-3); }
.now-foot a { color: var(--accent); text-decoration: none; font-weight: 600; }

.invite-form { display: flex; flex-direction: column; gap: 6px; }
.invite-form input, .invite-form textarea { font: inherit; font-size: 12.5px; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 7px; padding: 6px 8px; }
.invite-form textarea { resize: vertical; }
.invite-form .button { align-self: flex-start; border: 0; cursor: pointer; }
.invite-form .hp { position: absolute; left: -9999px; }
.invite-alt { font-size: 11px; color: var(--ink-3); }

/* depth-to-water chart on well cards */
.prow.levels { display: block; }
.prow.levels svg.levels { width: 100%; height: auto; margin-top: 6px; }
.prow.levels svg.levels path { fill: none; stroke: var(--chart, #1e6fb8); stroke-width: 1.4; }
.prow.levels svg.levels circle { fill: var(--chart, #1e6fb8); }
.prow.levels svg.levels text { font-size: 9px; fill: var(--ink-3, #8a8f98); }
.prow.levels svg.levels line.grid { stroke: var(--line, #2a3140); stroke-width: 0.5; }

/* compare drawer */
.cmp-years { font-size: 12.5px; color: var(--ink-2); display: inline-flex; align-items: center; gap: 4px; }
.cmp-years input { width: 62px; font: inherit; font-size: 12.5px; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 3px 6px; }
#cmp-svg { width: 100%; height: 100%; display: block; }
#cmp-svg .grid { stroke: var(--line); stroke-width: 1; }
#cmp-svg .axis text { fill: var(--ink-3); font-size: 11px; }
#cmp-svg .series path { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
#cmp-svg .series circle { stroke: var(--bg); stroke-width: 2; }
#cmp-svg .series.dim path, #cmp-svg .series.dim circle { opacity: 0.18; }
#cmp-svg .lbl { font-size: 11px; fill: var(--ink-2); paint-order: stroke; stroke: var(--bg); stroke-width: 3px; stroke-linejoin: round; }
#cmp-svg .xhair { stroke: var(--ink-3); stroke-dasharray: 3 3; }
#cmp-key .site { display: inline-flex; align-items: center; gap: 6px; padding: 2px 8px 2px 4px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-2); font-size: 11.5px; cursor: pointer; }
#cmp-key .site.off { opacity: 0.45; }
#cmp-key .site i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
#cmp-key .site .tdir { font-family: "JetBrains Mono", monospace; font-size: 10.5px; }
#cmp-key .site b { font-weight: 500; color: var(--ink); }
#cmp-key .site .x { color: var(--ink-3); margin-left: 2px; }
#cmp-key .site .x:hover { color: var(--accent); }
body.cmp-on #map { cursor: crosshair; }
#cmp-tablewrap { position: absolute; inset: 0; overflow: auto; background: var(--panel); padding: 8px 14px; }
#cmp-tbl { border-collapse: collapse; font-size: 12px; width: 100%; }
#cmp-tbl th, #cmp-tbl td { text-align: right; padding: 3px 8px; border-bottom: 1px solid var(--line); }
#cmp-tbl th:first-child, #cmp-tbl td:first-child { text-align: left; }
#cmp-tip div { display: flex; align-items: center; gap: 6px; }
#cmp-tip i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }

/* the record first: raw sample charts on the station card */
.prow.raw { display: block; }
.prow.raw .lab .unit { font-weight: 400; color: var(--ink-3); font-size: 12px; margin-left: 4px; }
svg.raw { width: 100%; height: auto; margin-top: 4px; display: block; }
svg.raw circle { fill: var(--chart); opacity: 0.8; }
svg.raw circle.nd { fill: var(--bg); stroke: var(--chart); stroke-width: 1.2; opacity: 0.9; }
svg.raw circle.bql { fill: var(--bg); stroke: var(--chart); stroke-width: 1.2; stroke-dasharray: 1.5 1; opacity: 0.9; }
svg.raw text { font-size: 9px; fill: var(--ink-3); font-family: var(--mono); }
svg.raw line.grid { stroke: var(--line); stroke-width: 0.6; }
.prow.raw .tblock { margin-top: 8px; padding: 8px 10px; border: 1px dashed var(--line); border-radius: 8px; }
.prow.raw .tblock .spark { width: 100%; height: 48px; margin-top: 4px; }
.rawkey { font-size: 11.5px; color: var(--ink-3); margin: 8px 0 0; }
.feature.tt b { color: var(--accent); }
.methods { margin-top: 10px; padding: 10px 12px; border-left: 3px solid var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); font-size: 12.5px; }
.methods ul { margin: 6px 0 0; padding-left: 18px; } .methods li { margin: 4px 0; }

/* per-parameter tools on the station card */
.prow.raw .lab { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.ptools { margin-left: auto; display: inline-flex; gap: 6px; }
button.mini { font: inherit; font-size: 11px; color: var(--ink-2); background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 2px 7px; cursor: pointer; }
button.mini:hover { border-color: var(--accent); color: var(--accent); }
/* investigate drawer */
.drawer.inv { height: clamp(380px, 62vh, 680px); }
.inv-body { display: grid; grid-template-columns: 1fr 340px; gap: 0; min-height: 0; }
.inv-chart { position: relative; min-width: 0; }
#inv-svg { width: 100%; height: 100%; display: block; }
#inv-svg .grid { stroke: var(--line); stroke-width: 1; }
#inv-svg .axis text { fill: var(--ink-3); font-size: 11px; }
#inv-svg circle { fill: var(--chart); opacity: 0.75; }
#inv-svg circle.nd { fill: var(--bg); stroke: var(--chart); stroke-width: 1.3; }
#inv-svg circle.bql { fill: var(--bg); stroke: var(--chart); stroke-width: 1.3; stroke-dasharray: 1.5 1; }
#inv-svg circle.out { fill: none; stroke: var(--ink-3); stroke-width: 1; opacity: 0.6; }
#inv-svg circle.agg { fill: var(--ink); opacity: 0.9; }
#inv-svg path.fit { fill: none; stroke-width: 2; }
#inv-svg path.fit.sen { stroke: var(--t-up); } #inv-svg path.fit.sk { stroke: var(--t-down); } #inv-svg path.fit.ols { stroke: var(--ink-2); stroke-dasharray: 5 4; }
#inv-svg .lbl { font-size: 11px; fill: var(--ink-2); paint-order: stroke; stroke: var(--bg); stroke-width: 3px; }
.inv-results { overflow: auto; border-left: 1px solid var(--line); padding: 10px 14px; font-size: 12.5px; }
.inv-results h3 { margin: 0 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); }
.inv-results table { width: 100%; border-collapse: collapse; margin-bottom: 8px; }
.inv-results td, .inv-results th { padding: 4px 6px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.inv-results th { font-weight: 500; color: var(--ink-3); }
.inv-results td.num { font-family: var(--mono); text-align: right; white-space: nowrap; }
.inv-results .verdict { font-weight: 600; } .inv-results .verdict.up { color: var(--t-up); } .inv-results .verdict.down { color: var(--t-down); }
.inv-results .fine { color: var(--ink-3); font-size: 11.5px; margin: 6px 0 10px; }
.inv-results .swatch { display: inline-block; width: 14px; height: 0; border-top: 2px solid; vertical-align: middle; margin-right: 6px; }
@media (max-width: 900px) { .inv-body { grid-template-columns: 1fr; grid-template-rows: 1fr auto; } .inv-results { border-left: 0; border-top: 1px solid var(--line); max-height: 45%; } }

/* search */
.search { position: relative; margin-top: 8px; }
.search input { width: 100%; font: inherit; font-size: 13px; padding: 8px 10px 8px 30px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a96a3' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: 9px 50%; background-size: 14px; }
.search input:focus { outline: none; border-color: var(--accent); }
#search-list { position: absolute; left: 0; right: 0; top: calc(100% + 4px); z-index: 8; margin: 0; padding: 4px; list-style: none; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); max-height: 320px; overflow: auto; }
#search-list li { padding: 7px 9px; border-radius: 6px; cursor: pointer; display: flex; flex-direction: column; gap: 1px; }
#search-list li b { font-weight: 500; font-size: 13px; color: var(--ink); }
#search-list li span { font-size: 11.5px; color: var(--ink-3); }
#search-list li code { font-family: var(--mono); font-size: 11px; }
#search-list li:hover, #search-list li.on { background: color-mix(in srgb, var(--accent) 12%, transparent); }
/* embeddable River Right Now widget */
body.widget { padding: 0; margin: 0; background: var(--bg); }
body.widget .now { margin: 0; padding: 10px 12px; }
body.widget .now-foot { font-size: 11px; }
.embed-box { margin: 26px 0 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; }
.embed-box h2 { font-size: 13px; margin: 0 0 6px; }
.embed-box textarea { width: 100%; font: 11.5px var(--mono); color: var(--ink-2); background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 8px; resize: vertical; }
.embed-box .muted { margin: 6px 0 0; font-size: 12px; }

/* state assessments */
.dot.a-imp { background: #d95926; } .dot.a-ok { background: #199e70; } .dot.a-na { background: #8a96a3; }
.assess { margin: 8px 0 4px; padding: 8px 10px; border-left: 3px solid #d95926; background: color-mix(in srgb, #d95926 8%, transparent); font-size: 12.5px; border-radius: 0 8px 8px 0; }
.assess.ok { border-left-color: #199e70; background: color-mix(in srgb, #199e70 8%, transparent); }
.assess.na { border-left-color: var(--ink-3); background: color-mix(in srgb, var(--ink-3) 8%, transparent); }
.assess b { font-weight: 600; } .assess .sub { color: var(--ink-3); font-size: 11.5px; margin-top: 2px; }
/* live flow */
.bar { display: inline-block; width: 22px; height: 0; border-top: 5px solid; vertical-align: middle; margin-right: 6px; border-radius: 3px; }
.bar.b-lo { border-color: #c98500; } .bar.b-md { border-color: #2a7fbf; } .bar.b-hi { border-color: #1b4f8a; }

/* standards on charts */
svg.raw line.std, #inv-svg line.std { stroke: #d95926; stroke-width: 1.1; stroke-dasharray: 4 3; }
svg.raw line.std.rmhq, #inv-svg line.std.rmhq { stroke: #8a96a3; stroke-dasharray: 2 2; }
svg.raw text.stdlab, #inv-svg text.stdlab { font-size: 8.5px; fill: #d95926; font-family: var(--mono); }
.stdnote { font-size: 11.5px; color: var(--ink-2); margin-top: 4px; }