/* Forecast Flakes — snowfall explorer.
 *
 * The winter cut of the network's Interstate sign system: packed-snow paper, midnight ink,
 * and blue leading instead of green. Everything here layers on flakes.css and only adds what
 * a map explorer needs — the site's own tokens do the rest, so this page cannot drift away
 * from the front page's palette.
 */

.wrap.wide { max-width: 1500px; }

/* ── layout ────────────────────────────────────────────────────────────── */
.xgrid { display: grid; grid-template-columns: 268px minmax(0, 1fr); gap: 16px; margin: 14px 0 6px; }
@media (max-width: 980px) { .xgrid { grid-template-columns: 1fr; } }

.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 14px 16px; box-shadow: 0 6px 20px rgba(0,0,0,.06);
  align-self: start; position: sticky; top: 12px;
}
@media (max-width: 980px) { .panel { position: static; } }

/* ── field menu, grouped the way the data divides ──────────────────────── */
.fgroup + .fgroup { margin-top: 13px; }
.fgroup-label {
  font-family: 'Overpass Mono', monospace; font-size: 9.5px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--mut); margin-bottom: 6px;
}
.fgroup-btns { display: flex; flex-direction: column; gap: 4px; }
.fbtn {
  text-align: left; font: 700 12.5px 'Overpass', system-ui, sans-serif;
  color: var(--ink2); background: var(--paper2); border: 1px solid var(--line);
  border-left: 4px solid var(--line); border-radius: 6px; padding: 7px 9px; cursor: pointer;
  transition: border-color .12s, color .12s, background .12s;
}
.fbtn:hover { color: var(--ink); border-color: #a9b6c6; }
.fbtn.on {
  color: var(--ink); background: #fff; border-color: var(--line);
  border-left-color: var(--snow); font-weight: 900;
}

/* ── generic control blocks ────────────────────────────────────────────── */
.ctl { margin-top: 15px; }
.ctl-label {
  font-family: 'Overpass Mono', monospace; font-size: 9.5px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--mut); margin-bottom: 6px;
}
.ctl-label .mono { color: var(--ink2); letter-spacing: 0; }
.btnrow { display: flex; flex-wrap: wrap; gap: 4px; }
.btnrow.tight { gap: 3px; }
.rbtn, .pbtn {
  font: 700 11px 'Overpass', system-ui, sans-serif; color: var(--ink2);
  background: var(--paper2); border: 1px solid var(--line); border-radius: 5px;
  padding: 5px 8px; cursor: pointer;
}
.rbtn:hover, .pbtn:hover { border-color: var(--snow); color: var(--ink); }
.rbtn.on { background: var(--snow); border-color: var(--snow); color: #fff; }

input[type=range] { width: 100%; accent-color: var(--snow); }

/* ── stage ─────────────────────────────────────────────────────────────── */
.fhead h3 { margin: 0 0 3px; font-size: 19px; font-weight: 900; letter-spacing: -.01em; color: var(--ink); }
.fhead p { margin: 0 0 10px; font-size: 13px; color: var(--ink2); line-height: 1.5; max-width: 74ch; }

.stage-wrap {
  position: relative; border: 1px solid var(--line); border-radius: 10px;
  overflow: hidden; box-shadow: 0 8px 26px rgba(0,0,0,.09); background: #dbe3ea;
}
#stage { width: 100%; height: min(66vh, 720px); min-height: 380px; }

/* Readouts sit on a dark slab so they stay legible over any part of the ramp — the map
   runs from near-white to near-black and no single ink colour survives both. */
.stage-overlay {
  position: absolute; z-index: 5; pointer-events: none;
  background: rgba(12, 17, 26, .84); border: 1px solid rgba(255,255,255,.14);
  border-radius: 6px; padding: 7px 11px; color: #eef2f7;
  font: 700 12px 'Overpass', system-ui, sans-serif;
}
.stage-overlay:empty { display: none; }
.ov-tl { top: 10px; left: 10px; }
.ov-tr { top: 10px; right: 52px; text-align: right; }
.ov-bl { bottom: 26px; left: 10px; }
.ov-title { font-weight: 900; font-size: 15px; letter-spacing: -.01em; }
.ov-sub { color: #9db0c6; font-size: 11px; font-weight: 700; }
.probe-v { font-weight: 900; font-size: 13.5px; color: #fff; }
.probe-xy { color: #9db0c6; font-size: 10.5px; font-weight: 700; margin-left: 8px;
            font-family: 'Overpass Mono', monospace; }

#stage .maplibregl-ctrl-group { border-radius: 5px; border: 1px solid var(--line); }
#stage .maplibregl-ctrl-scale {
  background: rgba(255,255,255,.84); border-color: var(--ink2); color: var(--ink);
  font: 700 10px 'Overpass', system-ui, sans-serif; letter-spacing: .04em;
}
#stage .maplibregl-ctrl-attrib { font: 600 10px 'Overpass', system-ui, sans-serif; }

/* ── timeline ──────────────────────────────────────────────────────────── */
.timeline { margin-top: 11px; }
.tl-row { display: flex; align-items: center; gap: 7px; }
.tbtn {
  font: 900 13px 'Overpass', system-ui, sans-serif; color: var(--ink);
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
  padding: 5px 11px; cursor: pointer; min-width: 34px;
}
.tbtn.wide { min-width: 62px; font-size: 11.5px; letter-spacing: .04em; text-transform: uppercase; }
.tbtn:hover { border-color: var(--snow); }
.tl-row input[type=range] { flex: 1; }

.ticks { display: flex; gap: 2px; margin-top: 7px; flex-wrap: wrap; }
.tick {
  font: 700 10.5px 'Overpass Mono', monospace; color: var(--mut);
  background: var(--paper2); border: 1px solid var(--line2); border-radius: 4px;
  padding: 3px 6px; cursor: pointer; min-width: 26px;
}
.tick:hover { color: var(--ink); border-color: var(--snow); }
.tick.on { background: var(--snow); border-color: var(--snow); color: #fff; font-weight: 900; }

/* ── legend ────────────────────────────────────────────────────────────── */
/* A banded table claims exactly its break points and nothing between them, so the legend is
   drawn as hard cells with their lower edge under each — never a smooth gradient bar, which
   would imply a continuous scale the data does not have. */
.legend {
  margin-top: 12px; background: var(--card); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px;
}
.lg-strip { display: flex; flex-wrap: wrap; gap: 0; }
.lg-cell { display: flex; flex-direction: column; align-items: stretch; min-width: 34px; flex: 1 1 34px; }
.lg-sw { display: block; height: 16px; border: 1px solid rgba(0,0,0,.10); border-right: 0; }
.lg-cell:last-child .lg-sw { border-right: 1px solid rgba(0,0,0,.10); }
.lg-v {
  font: 700 9.5px 'Overpass Mono', monospace; color: var(--ink2);
  text-align: left; padding-top: 3px; letter-spacing: -.02em;
}
.lg-unit {
  font-family: 'Overpass Mono', monospace; font-size: 9.5px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--mut); margin-top: 6px;
}

#status { display: none; margin: 10px 0; padding: 11px 14px; border-radius: 6px;
          background: var(--card); border: 1px solid var(--line); color: var(--ink2);
          font-weight: 700; font-size: 13px; }
#status.is-error { border-color: var(--red); color: var(--red-dk); display: block; }

/* ── place navigator ───────────────────────────────────────────────────── */
/* Breadcrumb up the hierarchy, chips down into it, compass across — the shape of the
   NWS sector pages, with 193 domains instead of their 20 because a sector here is a
   rectangle rather than a pre-rendered image. */
.navbar { display: flex; flex-direction: column; gap: 7px; margin: 12px 0 4px; }
.crumbs { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.crumb {
  font: 800 12.5px 'Overpass', system-ui, sans-serif; color: var(--navy);
  background: none; border: 0; padding: 2px 3px; cursor: pointer; border-radius: 3px;
}
.crumb:hover { background: var(--line2); }
.crumb.on {
  color: var(--ink); cursor: default; text-decoration: underline;
  text-decoration-color: var(--snow); text-underline-offset: 3px; text-decoration-thickness: 2px;
}
.crumb-sep { color: var(--mut); font-size: 10px; }
.drill-row { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.drill-label {
  font: 700 9px 'Overpass Mono', monospace; letter-spacing: .12em; text-transform: uppercase;
  color: var(--mut); white-space: nowrap;
}
.drill-chips { display: flex; gap: 4px; flex-wrap: wrap; }
.chip {
  font: 700 10.5px 'Overpass', system-ui, sans-serif; color: var(--ink2);
  background: var(--card); border: 1px solid var(--line); border-radius: 4px;
  padding: 3px 7px; cursor: pointer;
}
.chip:hover { border-color: var(--snow); color: var(--ink); }
.domain-selects { display: flex; gap: 5px; flex-wrap: wrap; }
.domain-selects select { font-size: 11px; padding: 5px 7px; max-width: 210px; }

/* Sector buttons in the side panel, grouped the way the NWS groups its regions. */
#sectors { display: flex; flex-direction: column; gap: 6px; }
.sector-group { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.sector-group-label {
  font: 700 9px 'Overpass Mono', monospace; letter-spacing: .12em; text-transform: uppercase;
  color: var(--mut); min-width: 54px;
}
.sector-btn {
  font: 700 10.5px 'Overpass', system-ui, sans-serif; color: var(--ink2);
  background: var(--paper2); border: 1px solid var(--line); border-radius: 4px;
  padding: 4px 7px; cursor: pointer;
}
.sector-btn:hover { border-color: var(--snow); color: var(--ink); }
.sector-btn.on { background: var(--snow); border-color: var(--snow); color: #fff; }
.sector-btn:disabled { opacity: .4; cursor: default; }

/* Compass pad — the adjacent-sector arrows, over the map's top-left. */
.compass {
  position: absolute; z-index: 6; top: 58px; left: 10px;
  display: grid; grid-template-columns: repeat(3, 26px); grid-template-rows: repeat(3, 26px);
  background: rgba(12, 17, 26, .84); border: 1px solid rgba(255,255,255,.14);
  border-radius: 6px; padding: 3px;
}
.compass:empty { display: none; }
.compass-btn {
  background: none; border: 0; color: #eef2f7; font-size: 11px; line-height: 1;
  cursor: pointer; border-radius: 3px; padding: 0;
}
.compass-btn:hover:not(:disabled) { background: rgba(255,255,255,.16); }
.compass-btn:disabled { opacity: .22; cursor: default; }
.compass-mid { grid-area: 2 / 2; display: grid; place-items: center;
               font: 800 9px 'Overpass Mono', monospace; color: #9db0c6; }
.dir-n { grid-area: 1 / 2; } .dir-w { grid-area: 2 / 1; }
.dir-e { grid-area: 2 / 3; } .dir-s { grid-area: 3 / 2; }

/* ── collapsible control groups ────────────────────────────────────────── */
.grp { margin-top: 14px; border-top: 1px solid var(--line2); padding-top: 10px; }
.grp > summary {
  font: 700 9.5px 'Overpass Mono', monospace; letter-spacing: .12em; text-transform: uppercase;
  color: var(--mut); cursor: pointer; list-style: none; margin-bottom: 8px;
}
.grp > summary::-webkit-details-marker { display: none; }
.grp > summary::before { content: '▸ '; color: var(--snow); }
.grp[open] > summary::before { content: '▾ '; }

.fieldrow {
  display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px;
}
.fieldrow > span {
  font: 700 11px 'Overpass', system-ui, sans-serif; color: var(--ink2); white-space: nowrap;
}
.fieldrow select { font-size: 11px; padding: 4px 6px; max-width: 148px; flex: 1; }
.fieldrow input[type=range] { flex: 1; max-width: 148px; }

.switch {
  display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 700;
  color: var(--ink2); cursor: pointer; margin-bottom: 8px;
}
.switch input { accent-color: var(--snow); }
.overlay-box { display: flex; flex-direction: column; gap: 4px 12px; }
.overlay-box .switch { margin-bottom: 0; }

/* ── export ────────────────────────────────────────────────────────────── */
.xbtn {
  width: 100%; font: 900 11.5px 'Overpass', system-ui, sans-serif; letter-spacing: .05em;
  text-transform: uppercase; color: #fff; background: var(--snow);
  border: 1px solid var(--snow); border-radius: 6px; padding: 8px 10px; cursor: pointer;
}
.xbtn:hover { background: var(--snow-dk); border-color: var(--snow-dk); }
.xbtn:disabled { opacity: .55; cursor: default; }
.xnote { margin: 6px 0 0; font-size: 10.5px; line-height: 1.45; color: var(--mut); }