.viz-root {
  color-scheme: light;
  --surface-0: #f3f2ee;
  --surface-1: #fcfcfb;
  --surface-2: #eceae4;
  --border: #dad8d0;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #77756f;
  --grid: #e3e1da;
  --series-1: #2a78d6;  /* Fort Valley */
  --series-2: #eb6834;  /* Mountain Dell */
  --accent: #256abf;
  --warn-bg: #fff4dc; --warn-ink: #7a4b00;
  --crit: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) .viz-root {
    color-scheme: dark;
    --surface-0: #121211; --surface-1: #1a1a19; --surface-2: #262624; --border: #3a3936;
    --text-primary: #f0efec; --text-secondary: #c3c2b7; --text-muted: #96958d; --grid: #2f2e2b;
    --series-1: #3987e5; --series-2: #d95926; --accent: #6da7ec;
    --warn-bg: #3a2c0c; --warn-ink: #f2cf8a; --crit: #ff8a80;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 13px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }
.app { display: grid; height: 100vh; background: var(--surface-0); color: var(--text-primary);
  grid-template-columns: 400px 1fr; grid-template-rows: auto 1fr auto;
  grid-template-areas: "top top" "side map" "side time"; }
.top { grid-area: top; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 8px 14px; background: var(--surface-1); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.title { font-size: 17px; font-weight: 700; letter-spacing: .2px; }
.sub { color: var(--text-secondary); font-size: 12px; }
.evpick { display: flex; gap: 8px; align-items: center; }
.evpick select, .tctl select { font: inherit; padding: 3px 6px; background: var(--surface-1); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: 6px; }
.muted { color: var(--text-muted); font-size: 12px; }
.side { grid-area: side; overflow: auto; padding: 10px; border-right: 1px solid var(--border); }
.mapwrap { grid-area: map; position: relative; min-height: 300px; }
#map { position: absolute; inset: 0; background: var(--surface-2); }
.mapctl { position: absolute; z-index: 500; left: 54px; top: 10px; display: flex; gap: 10px; align-items: center;
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 5px 8px; box-shadow: 0 1px 4px rgba(0,0,0,.15); }
.seg { display: flex; }
.seg button { font: inherit; padding: 3px 8px; border: 1px solid var(--border); background: var(--surface-1); color: var(--text-secondary); cursor: pointer; }
.seg button:first-child { border-radius: 6px 0 0 6px; } .seg button:last-child { border-radius: 0 6px 6px 0; }
.seg button.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.chk { display: flex; gap: 5px; align-items: center; color: var(--text-secondary); white-space: nowrap; }
.legend { position: absolute; z-index: 500; left: 10px; bottom: 22px; background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 8px; font-size: 11px; color: var(--text-secondary); max-width: 300px; }
.legend .row { display: flex; flex-wrap: wrap; gap: 2px 8px; align-items: center; margin-top: 3px; }
.legend .sw { display: inline-block; width: 14px; height: 10px; border-radius: 2px; margin-right: 3px; vertical-align: -1px; }
.timeline { grid-area: time; background: var(--surface-1); border-top: 1px solid var(--border); padding: 6px 12px 8px; }
.tctl { display: flex; gap: 6px; align-items: center; }
.tctl button { font: inherit; min-width: 30px; padding: 3px 7px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface-1); color: var(--text-primary); cursor: pointer; }
.tctl input[type=range] { flex: 1; }
.tlabel { min-width: 170px; font-variant-numeric: tabular-nums; font-weight: 600; }
button.link { border: 0 !important; background: none !important; color: var(--accent) !important; cursor: pointer; padding: 0 4px; font: inherit; text-decoration: underline; }
.chartwrap { position: relative; }
.chead { display: flex; gap: 12px; align-items: baseline; margin-top: 4px; }
.ctitle { font-weight: 600; color: var(--text-secondary); font-size: 12px; }
.clegend { display: flex; gap: 12px; font-size: 12px; color: var(--text-secondary); }
.clegend i, .key i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; vertical-align: 3px; margin-right: 4px; }
#chart { width: 100%; height: 130px; display: block; cursor: crosshair; }
#chart text { fill: var(--text-muted); font-size: 10.5px; }
.tip { position: absolute; z-index: 10; pointer-events: none; background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 8px; font-size: 12px; box-shadow: 0 2px 8px rgba(0,0,0,.18); white-space: nowrap; }
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; }
.card h2 { margin: 0; font-size: 15px; display: flex; align-items: center; gap: 7px; }
.card h2 .dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.card .meta { color: var(--text-muted); font-size: 11.5px; margin: 2px 0 6px; }
.card h3 { margin: 10px 0 4px; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--text-secondary); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.stat { background: var(--surface-0); border-radius: 7px; padding: 6px 7px; }
.stat .v { font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat .l { font-size: 10.5px; color: var(--text-muted); }
.now { font-variant-numeric: tabular-nums; color: var(--text-secondary); font-size: 12px; margin-top: 6px; }
table.t { width: 100%; border-collapse: collapse; font-size: 11.5px; font-variant-numeric: tabular-nums; }
table.t th, table.t td { padding: 2px 4px; border-bottom: 1px solid var(--grid); text-align: right; }
table.t th:first-child, table.t td:first-child { text-align: left; }
table.t th { color: var(--text-muted); font-weight: 600; }
.head { padding: 8px; border-radius: 8px; background: var(--surface-0); border-left: 4px solid var(--accent); }
.head .big { font-size: 16px; font-weight: 700; }
.note { background: var(--warn-bg); color: var(--warn-ink); border-radius: 7px; padding: 6px 8px; font-size: 11.5px; margin-top: 6px; }
.flags { margin: 4px 0 0 16px; padding: 0; font-size: 11.5px; color: var(--text-secondary); }
details summary { cursor: pointer; font-weight: 600; font-size: 12px; color: var(--text-secondary); margin-top: 6px; }
.hydro { width: 100%; height: 120px; display: block; }
.hydro text { fill: var(--text-muted); font-size: 10px; }
.loading { color: var(--text-muted); padding: 20px; }
.gl { font-size: 10px; color: var(--text-muted); white-space: nowrap; }
.pl { font-size: 11px; color: var(--text-secondary); font-style: italic; white-space: nowrap; text-shadow: 0 0 2px var(--surface-1); }
.leaflet-tooltip { font-size: 11.5px; }
.pix { image-rendering: pixelated; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 2000; display: flex; align-items: center; justify-content: center; }
.mbox { background: var(--surface-1); color: var(--text-primary); border-radius: 10px; padding: 14px; width: min(900px, 94vw); max-height: 86vh; overflow: auto; position: relative; }
.mclose { position: absolute; right: 8px; top: 6px; border: 0; background: none; font-size: 22px; cursor: pointer; color: var(--text-secondary); }
.figs img { max-width: 100%; border: 1px solid var(--border); border-radius: 6px; margin: 6px 0; }
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto 55vh auto auto; grid-template-areas: "top" "map" "time" "side"; height: auto; }
  .side { border-right: 0; }
  .mapctl { left: 10px; top: auto; bottom: 10px; flex-wrap: wrap; }
  .legend { display: none; }
}
[hidden] { display: none !important; }