/* Sarvia: colour is reserved for data. The interface itself is overcast grey and slate;
   blue, red and amber only ever mean water, new water and roads. */
:root{
  --overcast:#dde3e6;   /* story panel */
  --paper:#f5f7f8;      /* inputs, map chrome */
  --slate:#1b2830;      /* ink, primary actions */
  --echo:#56656e;       /* secondary text */
  --rule:rgba(27,40,48,.16);
  --standing:#1f5fae;   /* water already there */
  --newwater:#e0442a;   /* new flood water */
  --roads:#f0a500;      /* OSM roads in the flood */
  --safe:#1b8a4b;       /* flood-avoiding route */

  --sans:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --t-small:13px; --t-meta:15px; --t-body:17px; --t-h2:19px; --t-h1:33px; --t-big:68px;
}

*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:var(--sans);font-size:var(--t-body);color:var(--slate);background:var(--overcast);
  font-variation-settings:"wdth" 100;-webkit-font-smoothing:antialiased}
a{color:var(--slate);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--standing);outline-offset:2px}
button{font:inherit;color:inherit}

/* ---------- top strip ---------- */
#banner{position:fixed;inset:0 0 auto 0;height:30px;z-index:2000;padding:0 16px;
  display:flex;align-items:center;gap:10px;background:var(--slate);color:#e9eef0;
  font-size:var(--t-small);white-space:nowrap;overflow:hidden}
#mock-flag{background:var(--roads);color:var(--slate);padding:1px 7px;border-radius:2px;font-weight:700}

#layout{position:absolute;top:30px;bottom:0;left:0;right:0;display:flex}

/* ---------- story panel ---------- */
#story{width:430px;max-width:48%;display:flex;flex-direction:column;background:var(--overcast);
  border-right:1px solid var(--rule);z-index:1500}

#masthead{padding:18px 28px 0}
.wordmark{margin:0 0 14px;font-size:var(--t-meta);font-weight:800;letter-spacing:.01em;
  font-variation-settings:"wdth" 125}

#progress{list-style:none;margin:0;padding:0;display:flex;gap:2px;border-bottom:1px solid var(--rule)}
#progress li{flex:1 1 auto}
#progress button{width:100%;display:flex;align-items:baseline;gap:5px;background:none;border:0;cursor:pointer;
  padding:8px 2px 9px;font-size:var(--t-small);color:var(--echo);opacity:.7;text-align:left;
  border-bottom:3px solid transparent;margin-bottom:-1px;white-space:nowrap}
#progress button .n{font-variant-numeric:tabular-nums;font-weight:700}
#progress button.done{opacity:1}
#progress button.on{opacity:1;color:var(--slate);font-weight:600;border-bottom-color:var(--slate)}
#progress button:hover{opacity:1;color:var(--slate)}

#steps{flex:1;overflow:auto;position:relative}
.step{display:none;padding:26px 28px 28px;line-height:1.5}
.step.on{display:block}
.step h1{margin:0 0 14px;font-size:var(--t-h1);line-height:1.02;font-weight:820;letter-spacing:-.012em;
  font-variation-settings:"wdth" 125;text-wrap:balance}
.step h2{margin:28px 0 8px;font-size:var(--t-h2);font-weight:750;font-variation-settings:"wdth" 112}
.step p{margin:0 0 14px;max-width:62ch}
.step b{font-weight:700}
.lead{font-size:var(--t-h2);color:var(--echo);margin-bottom:18px}
.source{font-size:var(--t-small);line-height:1.45;color:var(--echo)}

.badge{display:inline-block;font-size:var(--t-small);font-weight:600;padding:2px 8px;border:1px solid var(--slate);border-radius:2px}

.key{display:inline-block;width:10px;height:10px;margin:0 5px 0 2px;border-radius:1px}
.key.before{background:var(--standing)}.key.during{background:var(--newwater)}

/* the new-water figure: condensed, tall, in the colour it measures */
.big{margin:18px 0 6px;font-size:28px;font-weight:700;line-height:1;color:var(--newwater);
  font-variation-settings:"wdth" 70}
.big span{font-size:var(--t-big);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.big small{display:block;margin-top:8px;font-size:var(--t-meta);font-weight:500;color:var(--slate);
  font-variation-settings:"wdth" 100}
.range{font-size:var(--t-meta);color:var(--echo)}

/* figures as ruled rows, number first */
.facts{display:grid;grid-template-columns:auto 1fr;column-gap:18px;margin:20px 0 16px;border-top:1px solid var(--rule)}
.fact{grid-column:1/-1;display:grid;grid-template-columns:subgrid;row-gap:4px;align-items:baseline;
  padding:10px 0;border-bottom:1px solid var(--rule)}
.fact b{font-size:27px;line-height:1.05;font-weight:780;font-variant-numeric:tabular-nums;
  font-variation-settings:"wdth" 72}
.fact span{font-size:var(--t-meta);line-height:1.35;color:var(--echo)}
.fact .mock{display:inline-block;margin-left:6px;font-style:normal;font-size:11px;font-weight:700;
  background:var(--roads);color:var(--slate);padding:0 5px;border-radius:2px}
.facts > .source{grid-column:1/-1;margin:10px 0 0}

#limits{margin:0 0 12px;padding-left:18px;font-size:var(--t-meta);line-height:1.45}
#limits li{margin-bottom:6px}
details{margin-top:18px;font-size:var(--t-meta)}
summary{cursor:pointer;font-weight:600}
#numbers,.route-results{display:grid;grid-template-columns:auto 1fr;gap:5px 16px;margin:12px 0;font-size:var(--t-meta)}
#numbers dt,.route-results dt{color:var(--echo)}
#numbers dd,.route-results dd{margin:0;font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.primary,.quiet{border-radius:3px;padding:10px 16px;font-size:var(--t-meta);font-weight:650;cursor:pointer;line-height:1.2}
.primary{background:var(--slate);color:var(--paper);border:1px solid var(--slate)}
.primary:hover{background:#2c3e49}
.quiet{background:transparent;color:var(--slate);border:1px solid transparent;text-decoration:underline;text-underline-offset:3px}
.quiet:hover{text-decoration-thickness:2px}
button:disabled{cursor:default;opacity:.4}
button:disabled:hover{background:inherit}
.primary:disabled:hover{background:var(--slate)}

/* ---------- routing ---------- */
.route-fields{display:grid;gap:12px;margin:18px 0 14px}
.route-fields label{display:grid;gap:4px;font-size:var(--t-small);font-weight:600;color:var(--echo)}
.route-fields input{font:inherit;font-size:var(--t-meta);font-variant-numeric:tabular-nums;color:var(--slate);
  padding:9px 10px;background:var(--paper);border:1px solid var(--rule);border-radius:3px}
.route-fields input:focus{border-color:var(--slate)}
.route-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
#route-progress{width:100%;height:4px;margin:12px 0 0;accent-color:var(--slate)}
.route-status{margin:20px 0 10px;font-size:var(--t-meta);padding-left:12px;border-left:3px solid var(--slate)}
.route-status.error{border-left-color:var(--newwater);color:#9c2a14}

/* ---------- rescue routes: a directions panel ---------- */
#routing-step h1{font-size:28px}
.intro{font-size:var(--t-meta);color:var(--echo)}
.intro .badge{margin-left:4px;vertical-align:1px;font-size:12px;padding:0 6px;color:var(--slate)}

.directions{position:relative;margin:18px 0 12px;padding:8px 48px 8px 12px;background:var(--paper);
  border:1px solid var(--rule);border-radius:6px}
.dir-row{display:grid;grid-template-columns:18px 1fr;grid-template-rows:auto auto;column-gap:10px;align-items:center;
  padding:6px 0;border-radius:4px}
.dir-row + .dir-link + .dir-row{border-top:1px solid var(--rule)}
.dir-dot{grid-row:1/3;justify-self:center;width:14px;height:14px;border-radius:50%}
.dir-dot.start{background:#fff;box-shadow:inset 0 0 0 4px var(--slate)}
.dir-dot.end{background:var(--slate);box-shadow:inset 0 0 0 4px var(--slate),inset 0 0 0 7px #fff;border-radius:50% 50% 50% 0;transform:rotate(-45deg)}
.dir-label{font-size:12px;font-weight:600;color:var(--echo)}
.dir-row input{font:inherit;font-size:var(--t-meta);font-variant-numeric:tabular-nums;color:var(--slate);width:100%;
  padding:2px 0 3px;background:transparent;border:0;border-bottom:2px solid transparent;border-radius:0}
.dir-row input:focus{outline:none;border-bottom-color:var(--slate)}
.dir-row.active .dir-label{color:var(--slate)}
.dir-row.active .dir-label::after{content:" (next map click)";font-weight:500;color:var(--echo)}
.dir-link{position:absolute;left:20px;top:36px;bottom:36px;width:0;border-left:2px dotted var(--echo);pointer-events:none}
.icon-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:34px;height:34px;display:grid;place-items:center;
  border:0;border-radius:50%;background:transparent;color:var(--slate);cursor:pointer}
.icon-btn:hover{background:var(--overcast)}

.mode-switch{display:inline-flex;margin:0 0 14px;border:1px solid var(--slate);border-radius:999px;overflow:hidden}
.mode-switch button{font-size:var(--t-small);font-weight:600;padding:7px 14px;border:0;background:transparent;color:var(--slate);cursor:pointer}
.mode-switch button[aria-checked="true"]{background:var(--slate);color:var(--paper)}

.route-options{list-style:none;margin:16px 0 0;padding:0;border-top:1px solid var(--rule)}
.option{display:grid;grid-template-columns:1fr auto;gap:2px 12px;width:100%;text-align:left;cursor:pointer;
  padding:12px 12px 12px 14px;background:transparent;border:0;border-bottom:1px solid var(--rule);border-left:4px solid transparent}
.option:hover{background:rgba(245,247,248,.55)}
.option[aria-pressed="true"]{background:var(--paper);border-left-color:var(--slate)}
.opt-time{font-size:22px;line-height:1.1;font-weight:800;font-variant-numeric:tabular-nums;font-variation-settings:"wdth" 78}
.opt-dist{align-self:center;font-size:var(--t-meta);color:var(--echo);font-variant-numeric:tabular-nums}
.opt-title{grid-column:1/-1;font-size:var(--t-meta);font-weight:650}
.opt-tag{display:inline-block;margin-left:6px;font-size:12px;font-weight:700;color:var(--safe);vertical-align:1px}
.opt-detail{grid-column:1/-1;font-size:var(--t-small);color:var(--echo)}
.opt-warn{grid-column:1/-1;font-size:var(--t-small);font-weight:600;color:#9c2a14}

.itinerary{margin:22px 0 10px}
.itinerary h2{margin:0 0 10px}
#route-steps{list-style:none;margin:0;padding:0}
.stepline{position:relative;display:grid;grid-template-columns:32px 1fr;gap:10px;padding:0 0 14px}
.stepline:not(:last-child)::before{content:"";position:absolute;left:15px;top:30px;bottom:2px;border-left:2px solid var(--rule)}
.stepline.boat:not(:last-child)::before,.stepline.launch:not(:last-child)::before{border-left-style:dashed;border-left-color:var(--slate)}
.step-icon{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--paper);color:var(--slate);
  border:1px solid var(--rule)}
.stepline.launch .step-icon,.stepline.boat .step-icon{background:var(--slate);color:var(--paper);border-color:var(--slate)}
.step-text{display:flex;flex-direction:column;padding-top:5px;font-size:var(--t-meta);line-height:1.35}
.step-text span{font-size:var(--t-small);color:var(--echo);font-variant-numeric:tabular-nums}

/* map markers for the routes */
.pin-icon{background:none;border:0}
.boat-icon span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--slate);color:#fff;
  box-shadow:0 0 0 3px #fff,0 1px 4px rgba(27,40,48,.4)}
.boat-icon svg{width:18px;height:18px}
.sw.line.drive{border-top:5px solid var(--slate)}
.sw.line.boatleg{border-top:4px dashed var(--slate)}
.sw.line.walk{border-top:4px dotted var(--slate)}
.sw.line.other{border-top:5px solid #7d8b93}

/* ---------- impact map (step 4) ---------- */
.caveat{font-size:var(--t-meta);line-height:1.4;padding:2px 0 2px 12px;border-left:3px solid var(--newwater);color:var(--echo)}
.caveat b{color:var(--slate)}
.caveat .badge{margin-left:4px;font-size:11px;padding:0 6px;vertical-align:1px;color:var(--slate)}

/* categories: pictogram, name, the urgent figures and a bar split by state */
.impact-cats{list-style:none;margin:22px 0 0;padding:0}
.cat-row{display:grid;grid-template-columns:34px 1fr auto;grid-template-rows:auto 6px;column-gap:12px;row-gap:9px;
  align-items:center;width:100%;padding:13px 0 14px;background:none;border:0;border-bottom:1px solid var(--rule);
  text-align:left;cursor:pointer;transition:opacity .15s}
.cat-row[aria-pressed="false"]{opacity:.38}
.cat-row:hover .cat-name{text-decoration:underline;text-underline-offset:3px}
.cat-icon{grid-row:1/3;align-self:start;display:grid}
.cat-name{font-size:var(--t-body);font-weight:750;line-height:1.1;font-variation-settings:"wdth" 108}
.cat-name small{display:block;margin-top:2px;font-size:var(--t-small);font-weight:500;color:var(--echo);font-variation-settings:"wdth" 100}
.cat-hl{display:flex;flex-direction:column;align-items:flex-end;gap:1px;font-variant-numeric:tabular-nums}
.hl{font-size:var(--t-small);font-weight:650;white-space:nowrap}
.hl.in_water{color:#b8321b}
.hl.isolated{color:#8a5d00}
.hl.none{color:var(--echo);font-weight:500}
.bar{grid-column:2/4;display:flex;height:6px;border-radius:3px;overflow:hidden;gap:2px;background:transparent}
.seg{display:block;min-width:3px;height:100%}
.seg.in_water,.state-chip[data-state="in_water"] .dot{background:var(--newwater)}
.seg.isolated,.state-chip[data-state="isolated"] .dot{background:var(--roads)}
.seg.near_water{background:#f2b5a8}
.state-chip[data-state="near_water"] .dot{background:#fff;box-shadow:inset 0 0 0 2px var(--newwater)}
.seg.accessible,.state-chip[data-state="accessible"] .dot{background:var(--slate)}
.seg.no_road,.state-chip[data-state="no_road"] .dot{background:#8e9ba3}
.seg.not_observed,.state-chip[data-state="not_observed"] .dot{background:#c3ccd1}

/* states: a compact key that doubles as the filter */
.state-key{display:grid;grid-template-columns:1fr 1fr;gap:4px 14px;margin:18px 0 8px}
.state-chip{display:grid;grid-template-columns:12px 1fr auto;align-items:center;gap:8px;padding:6px 0;background:none;border:0;
  border-bottom:1px dotted var(--rule);font-size:var(--t-small);text-align:left;cursor:pointer;color:var(--slate)}
.state-chip .dot{width:12px;height:12px;border-radius:50%}
.state-chip b{font-variant-numeric:tabular-nums;font-weight:750}
.state-chip[aria-pressed="false"]{color:var(--echo)}
.state-chip[aria-pressed="false"] .dot{opacity:.3}
.state-chip[aria-pressed="false"] .lbl{text-decoration:line-through;text-decoration-color:rgba(27,40,48,.35)}
#impact-sum{margin:6px 0 16px}

.roads-toggle{display:flex;align-items:center;gap:10px;width:100%;padding:10px 0;background:none;border:0;border-top:1px solid var(--rule);
  border-bottom:1px solid var(--rule);font-size:var(--t-meta);text-align:left;cursor:pointer;color:var(--slate)}
.roads-toggle .sw.roads{width:22px;height:5px}
.roads-toggle[aria-pressed="false"]{opacity:.4}
.impact-more{margin:0;border-bottom:1px solid var(--rule)}
.impact-more summary{padding:10px 0;font-size:var(--t-meta);font-weight:650}
.impact-more[open]{padding-bottom:10px}
.impact-roads{width:100%;border-collapse:collapse;font-size:var(--t-small);font-variant-numeric:tabular-nums}
.impact-roads th,.impact-roads td{padding:5px 0;border-bottom:1px solid var(--rule);text-align:left;font-weight:500}
.impact-roads thead th{color:var(--echo);font-weight:600}
.impact-roads .num{text-align:right;padding-left:12px;white-space:nowrap}
.attribution{margin-top:12px}
@media (max-width:440px){.state-key{grid-template-columns:1fr}}

.impact-pop .leaflet-popup-content-wrapper{border-radius:4px;box-shadow:0 2px 8px rgba(27,40,48,.3)}
.impact-pop .leaflet-popup-content{margin:12px 14px;font-size:var(--t-small);line-height:1.4;color:var(--slate)}
.impact-popup h3{margin:0 18px 4px 0;font-size:var(--t-meta);font-weight:750;line-height:1.25}
.impact-popup p{margin:0 0 8px}
.pp-kind{display:flex;align-items:center;gap:6px;color:var(--echo)}
.pp-kind a{color:var(--echo)}
.pp-state{padding-left:9px;border-left:3px solid var(--slate)}
.pp-state b{display:block}
.pp-state[data-state="in_water"],.pp-state[data-state="near_water"]{border-left-color:var(--newwater)}
.pp-state[data-state="isolated"]{border-left-color:var(--roads)}
.pp-state[data-state="no_road"],.pp-state[data-state="not_observed"]{border-left-color:#9aa6ad}
.pp-facts{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin:0 0 8px}
.pp-facts dt{color:var(--echo)}
.pp-facts dd{margin:0;font-variant-numeric:tabular-nums}
.pp-actions{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.pp-actions .primary{padding:7px 12px;font-size:var(--t-small)}
.pp-actions .quiet{padding:7px 6px;font-size:var(--t-small)}
.pp-note{font-size:11px;color:var(--echo);margin:4px 0 0 !important}

/* ---------- step controls ---------- */
#controls{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 28px 18px;
  border-top:1px solid var(--rule)}
#prev{padding-left:0}
#next{min-width:0;max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- map ---------- */
#mapwrap{position:relative;flex:1;overflow:hidden}
#map{position:absolute;inset:0;background:#c9d1d6}
.leaflet-container{font-family:var(--sans)}
.leaflet-bar a{color:var(--slate)}

/* the clouds: one orchestrated moment, lifted when the radar takes over */
#clouds{position:absolute;inset:0;z-index:950;pointer-events:none;
  background:rgba(201,209,214,.3);transition:opacity 1.6s cubic-bezier(.4,0,.2,1),visibility 0s}
.cloud-field{position:absolute;top:-10%;left:-15%;width:130%;height:120%;will-change:transform;
  background:url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='1600' height='1000'><filter id='c' x='0' y='0' width='100%' height='100%'><feTurbulence type='fractalNoise' baseFrequency='0.0035 0.006' numOctaves='5' seed='11' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.96  0 0 0 0 0.97  0 0 0 0 0.98  3.4 0 0 0 -1.15'/></filter><rect width='100%' height='100%' filter='url(%23c)'/></svg>") center/cover no-repeat;
  animation:drift 80s linear infinite alternate;transition:transform 1.6s cubic-bezier(.4,0,.2,1)}
@keyframes drift{from{translate:0 0}to{translate:8% 2%}}
#clouds.lifted{opacity:0;visibility:hidden;transition:opacity 1.6s cubic-bezier(.4,0,.2,1),visibility 0s 1.6s}
#clouds.lifted .cloud-caption{opacity:0;transition:opacity .25s}
#clouds.lifted .cloud-field{transform:scale(1.12)}
.cloud-caption{position:absolute;right:20px;bottom:24px;margin:0;max-width:21em;font-size:var(--t-meta);
  line-height:1.35;font-weight:600;color:var(--slate);background:var(--paper);padding:10px 14px;border-radius:3px}

/* before/during curtain */
#curtain{position:absolute;inset:0;z-index:900;pointer-events:none}
#divider{position:absolute;top:0;bottom:0;left:50%;width:2px;margin-left:-1px;background:var(--paper);
  box-shadow:0 0 0 1px rgba(27,40,48,.25)}
#knob{position:absolute;left:50%;bottom:40px;width:42px;height:42px;margin-left:-21px;border-radius:50%;
  background:var(--paper);box-shadow:0 1px 3px rgba(27,40,48,.4)}
#knob::before,#knob::after{content:"";position:absolute;top:50%;width:0;height:0;margin-top:-6px;
  border:6px solid transparent}
#knob::before{left:7px;border-right-color:var(--slate)}
#knob::after{right:7px;border-left-color:var(--slate)}
.tag{position:absolute;top:14px;display:flex;flex-direction:column;padding:6px 10px;border-radius:3px;
  background:var(--paper);color:var(--echo);font-size:var(--t-small);line-height:1.2;box-shadow:0 1px 2px rgba(27,40,48,.25)}
.tag b{font-size:var(--t-h2);color:var(--slate);font-variation-settings:"wdth" 80}
.tag.left{left:56px;border-top:3px solid var(--standing)}
.tag.right{right:14px;border-top:3px solid var(--newwater);text-align:right}
#slider{position:absolute;left:0;right:0;bottom:30px;width:100%;height:62px;margin:0;opacity:0;
  pointer-events:auto;cursor:ew-resize}
#slider:focus-visible + *, #curtain:has(#slider:focus-visible) #knob{outline:2px solid var(--standing);outline-offset:2px}

#legend{position:absolute;left:14px;bottom:28px;z-index:900;padding:10px 12px;border-radius:3px;
  background:var(--paper);font-size:var(--t-small);line-height:1.3;box-shadow:0 1px 2px rgba(27,40,48,.25)}
#legend-toggle{display:block;width:100%;padding:0 0 5px;background:none;border:0;border-bottom:1px solid var(--rule);
  color:var(--slate);font-size:var(--t-small);font-weight:750;text-align:left;cursor:pointer}
#legend-toggle::after{content:" −";float:right}
#legend-toggle[aria-expanded="false"]::after{content:" +"}
#legend-content{padding-top:4px}
#legend div{display:flex;align-items:center;gap:8px;margin:3px 0}
#legend [hidden]{display:none}
#route-legend:not([hidden]){display:block}
.sw{display:inline-block;width:14px;height:10px;border-radius:1px;flex:none}
.sw.before{background:var(--standing)}.sw.during{background:var(--newwater)}
.sw.roads{height:4px;background:var(--roads)}
.vegetation-key{display:flex;align-items:center;gap:8px;margin:3px 0}
.vegetation-key i{display:inline-block;width:14px;height:10px;border:1px solid rgba(27,40,48,.35);border-radius:1px}
#vegetation-legend b,#vegetation-legend small{display:block}
#vegetation-legend small{margin:4px 0 0;color:var(--echo);line-height:1.3}
.sw.validation-nisar{background:#e0442a}.sw.validation-ems{background:#7b2cbf}
.sw.line{width:22px;height:0;border-top:4px solid}
.sw.normal{border-top:3px dashed var(--slate)}
.sw.safe{border-color:var(--safe)}
.sw.blocked{border-color:var(--newwater)}
.sw.alt{border-top:3px dotted var(--safe);opacity:.7}
.sw.least{border-color:var(--roads)}
#layer-status{position:absolute;top:10px;left:50%;z-index:1000;max-width:min(420px,calc(100% - 120px));transform:translateX(-50%);
  padding:7px 10px;background:rgba(245,247,248,.94);border:1px solid var(--rule);border-radius:4px;
  color:var(--slate);font-size:12px;line-height:1.3;box-shadow:0 1px 3px rgba(27,40,48,.2)}
#layer-status[hidden]{display:none}
.leaflet-control-layers{border:1px solid var(--rule);box-shadow:0 1px 3px rgba(27,40,48,.2)}
.leaflet-control-layers-toggle{background-color:var(--paper)}
.leaflet-control-layers-list{max-height:min(46vh,420px);overflow:auto}

/* ---------- narrow screens: map on top, story below ---------- */
@media (max-width:760px){
  #banner{font-size:12px}
  #layout{flex-direction:column-reverse}
  #story{width:100%;max-width:none;height:52%;border-right:0;border-top:1px solid var(--rule)}
  #masthead{padding:10px 16px 0}
  .wordmark{display:none}
  .step{padding:18px 16px 20px}
  :root{--t-h1:26px;--t-big:52px;--t-body:16px}
  #controls{padding:10px 16px 12px}
  #legend{left:10px;bottom:22px;padding:7px 9px;font-size:12px}
  #layer-status{top:8px;max-width:calc(100% - 90px);font-size:11px}
  .leaflet-control-layers{max-width:calc(100vw - 28px);font-size:12px}
  .leaflet-control-layers-list{max-height:34vh}
  #knob{bottom:auto;top:62%}
  #mapwrap[data-step="5"] #legend{top:10px;right:10px;bottom:auto;left:auto}
  .cloud-caption{left:16px;right:16px;bottom:16px}
  .tag.left{left:52px}
}
@media (max-width:440px){
  #progress .label{display:none}
  #progress button{justify-content:center}
}

@media (prefers-reduced-motion:reduce){
  .cloud-field{animation:none}
  #clouds,.cloud-field{transition:none}
  *,*::before,*::after{scroll-behavior:auto !important;transition-duration:0.01ms !important;animation-duration:0.01ms !important}
}

/* ---------- How to read the radar ---------- */
.page-body{background:var(--overcast)}
.page{max-width:44rem;margin:0 auto;padding:72px 16px 64px;line-height:1.55}
.page h1{margin:28px 0 14px;font-size:44px;line-height:1;font-weight:820;letter-spacing:-.015em;
  font-variation-settings:"wdth" 125;text-wrap:balance}
.page h2{margin:40px 0 8px;font-size:22px;font-weight:750;font-variation-settings:"wdth" 112}
.page p,.page li{max-width:66ch}
.page li{margin-bottom:6px}
.page .lead{font-size:21px;line-height:1.4;color:var(--echo)}
.page .back{font-size:var(--t-meta);font-weight:600}
@media (max-width:760px){.page{padding-top:52px}.page h1{font-size:32px}}

/* ---------- layer panel (map, top right) ---------- */
.layer-panel{font-family:var(--sans);color:var(--slate);display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.lp-toggle{display:inline-flex;align-items:center;gap:7px;padding:7px 12px 7px 10px;border:1px solid var(--rule);border-radius:999px;
  background:var(--paper);box-shadow:0 1px 3px rgba(27,40,48,.22);font-size:var(--t-small);font-weight:650;cursor:pointer}
.lp-toggle:hover,.layer-panel.open .lp-toggle{background:var(--slate);color:var(--paper);border-color:var(--slate)}
.lp-count:not(:empty){min-width:18px;padding:0 5px;border-radius:9px;background:var(--newwater);color:#fff;font-size:11px;line-height:18px;text-align:center}
.lp-card{width:272px;max-height:min(70vh,560px);overflow:auto;padding:12px 14px 10px;border-radius:8px;background:var(--paper);
  box-shadow:0 6px 22px rgba(27,40,48,.28)}
.lp-card[hidden]{display:none}
.lp-title{margin:2px 0 8px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--echo)}
.lp-bases{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:14px}
.lp-base{display:flex;flex-direction:column;gap:4px;padding:0;border:0;background:none;font-size:10.5px;line-height:1.15;text-align:center;cursor:pointer;color:var(--echo)}
.lp-thumb{display:block;aspect-ratio:1;border-radius:6px;background:#c9d1d6 center/cover;box-shadow:inset 0 0 0 1px var(--rule);transition:box-shadow .15s}
.lp-base:hover .lp-thumb{box-shadow:inset 0 0 0 2px var(--echo)}
.lp-base[aria-checked="true"]{color:var(--slate);font-weight:700}
.lp-base[aria-checked="true"] .lp-thumb{box-shadow:inset 0 0 0 3px var(--slate)}
.lp-overlays{list-style:none;margin:0;padding:0}
.lp-row{padding:7px 0;border-top:1px solid var(--rule)}
.lp-switch{display:grid;grid-template-columns:16px 1fr 34px;align-items:center;gap:9px;font-size:var(--t-small);cursor:pointer;position:relative}
.lp-sw{width:14px;height:14px;border-radius:3px}
.lp-sw.line{height:4px;border-radius:2px}
.lp-sw.points{background:radial-gradient(circle,currentColor 2.2px,transparent 2.6px) 0 0/7px 7px}
.lp-row:not(.on) .lp-sw,.lp-row:not(.on) .lp-name{opacity:.45}
.lp-switch input{position:absolute;opacity:0;pointer-events:none}
.lp-knob{position:relative;width:34px;height:20px;border-radius:10px;background:#b8c2c8;transition:background .15s}
.lp-knob::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;
  box-shadow:0 1px 2px rgba(27,40,48,.3);transition:transform .15s}
.lp-switch input:checked + .lp-knob{background:var(--slate)}
.lp-switch input:checked + .lp-knob::after{transform:translateX(14px)}
.lp-switch input:focus-visible + .lp-knob{outline:2px solid var(--standing);outline-offset:2px}
.lp-opacity{display:none;width:calc(100% - 25px);margin:6px 0 0 25px;accent-color:var(--slate);height:16px}
.lp-row.on .lp-opacity{display:block}
.lp-hint{margin:8px 0 0;font-size:11px;color:var(--echo)}
@media (max-width:760px){
  .lp-card{width:min(272px,calc(100vw - 24px));max-height:46vh}
  .lp-toggle span{display:none}
  .lp-toggle{padding:7px 9px}
}
@media (prefers-reduced-motion:reduce){.lp-knob,.lp-knob::after{transition:none}}