/* GRBS Calculator — two-column shell with scenario panel + dynamic map.
 * One file, no framework. Light theme tuned for CartoDB Positron basemap. */

:root {
  --panel-w: 380px;
  --topbar-h: 56px;

  --ink: #1a1a1a;
  --ink-soft: #444;
  --muted: #777;
  --hairline: rgba(0,0,0,0.08);
  --hairline-strong: rgba(0,0,0,0.16);
  --bg: #ffffff;
  --bg-soft: #f6f4ef;
  --bg-sunken: #ecebe6;

  --lens-heat: #c63a2c;
  --lens-stormwater: #2a6fb0;
  --lens-biodiversity: #3f8f4f;

  --accent: var(--lens-heat);   /* swapped per lens at runtime */

  --conf-high: #2e7d4f;
  --conf-medium: #b07a16;
  --conf-low: #8a4a4a;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.10);
  --shadow-md: 0 4px 18px rgba(0,0,0,0.14);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 13px;
  line-height: 1.4;
}

body {
  display: grid;
  grid-template-columns: var(--panel-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  height: 100vh;
  overflow: hidden;
}

/* ------------- topbar ------------- */
#topbar {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 16px;
  padding: 0 16px;
  background: #ffffff;
  border-bottom: 1px solid var(--hairline);
  z-index: 1100;
}
.brand { display: flex; align-items: baseline; gap: 10px; min-width: calc(var(--panel-w) - 16px); }
.brand-mark { font-weight: 700; letter-spacing: 0.02em; font-size: 16px; }
.brand-sub { color: var(--muted); font-size: 12px; }
.placeholder-flag {
  color: var(--conf-medium);
  font-style: italic;
  font-size: 11.5px;
}

#lens-nav { display: flex; gap: 6px; flex: 1; }
.lens-chip {
  appearance: none;
  border: 1px solid var(--hairline-strong);
  background: #fff;
  color: var(--ink-soft);
  padding: 6px 12px 6px 10px;
  font: inherit;
  font-size: 12.5px;
  border-radius: 999px;
  display: inline-flex; align-items: center; gap: 7px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.lens-chip:hover { border-color: #999; }
.lens-chip[aria-selected="true"] {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.lens-chip[aria-selected="true"] .lens-dot { box-shadow: 0 0 0 2px #fff inset; }
.lens-dot {
  width: 9px; height: 9px; border-radius: 50%;
  display: inline-block;
}
.lens-dot-heat         { background: var(--lens-heat); }
.lens-dot-stormwater   { background: var(--lens-stormwater); }
.lens-dot-biodiversity { background: var(--lens-biodiversity); }

.topbar-actions { display: flex; gap: 8px; }
.ghost-btn, .primary-btn {
  appearance: none; border: 1px solid var(--hairline-strong);
  background: #fff; color: var(--ink-soft);
  padding: 6px 12px; font: inherit; font-size: 12.5px;
  border-radius: 4px; cursor: pointer;
}
.ghost-btn:hover { background: var(--bg-soft); }
.primary-btn {
  background: var(--ink); color: #fff; border-color: var(--ink);
}
.primary-btn:hover { background: #000; }

/* ------------- left panel ------------- */
#panel {
  grid-column: 1; grid-row: 2;
  overflow-y: auto; overflow-x: hidden;
  background: var(--bg-soft);
  border-right: 1px solid var(--hairline);
  padding: 0;
  scrollbar-gutter: stable;
}

.section {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--hairline);
}
.section h3 {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.section h3 .hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--muted);
  font-size: 11px;
}
.section-note {
  margin-top: 8px;
  font-size: 11px;
  color: var(--muted);
  font-style: italic;
}

.scope-radios { display: grid; gap: 4px; }
.scope-radio {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
.scope-radio:hover { background: rgba(0,0,0,0.03); }
.scope-radio input { accent-color: var(--accent); margin: 0; }

.scope-selector { margin-top: 10px; min-height: 22px; }
.scope-selector .selector-empty { color: var(--muted); font-size: 11.5px; font-style: italic; }
.scope-selector select {
  width: 100%;
  padding: 6px 8px;
  font: inherit;
  font-size: 13px;
  border: 1px solid var(--hairline-strong);
  background: #fff;
  border-radius: 4px;
}
.scope-selector .nbhd-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
}
.scope-selector .nbhd-btn {
  appearance: none;
  border: 1px solid var(--hairline-strong);
  background: #fff;
  font: inherit;
  font-size: 12px;
  padding: 6px;
  border-radius: 4px;
  cursor: pointer;
}
.scope-selector .nbhd-btn[aria-pressed="true"] {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.scope-selector .selector-help {
  font-size: 11.5px; color: var(--muted);
  padding: 4px 0;
}

.pilot-pin {
  margin-top: 10px;
  appearance: none; border: 1px dashed var(--hairline-strong);
  background: transparent;
  color: var(--muted);
  padding: 6px 10px;
  font: inherit; font-size: 11.5px;
  border-radius: 4px;
  cursor: pointer; width: 100%;
}
.pilot-pin:hover { color: var(--ink); border-color: #888; }

.check {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; cursor: pointer;
  padding: 4px 0;
}
.check input { accent-color: var(--accent); margin: 0; }
.info-tip {
  display: inline-block;
  width: 16px; height: 16px;
  text-align: center; line-height: 16px;
  border-radius: 50%;
  background: var(--bg-sunken);
  color: var(--muted);
  font-size: 11px;
  cursor: help;
}
.info-tip:hover { background: var(--hairline-strong); color: var(--ink); }

.check-inline {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--hairline);
  font-size: 12.5px;
}

.lock-badge {
  display: inline-block;
  font-size: 9.5px;
  letter-spacing: 0.08em;
  background: var(--bg-sunken);
  color: var(--muted);
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 600;
}

.proto-summary { margin: 0; padding: 0 0 0 4px; list-style: none; }
.proto-summary li {
  font-size: 12px; color: var(--ink-soft);
  padding: 2px 0;
}
.proto-summary b { color: var(--ink); font-weight: 600; }

.roof-control {
  display: block;
  margin: 10px 4px 0;
}
.roof-control-head {
  display: block;
  font-size: 12px; color: var(--ink-soft);
  margin-bottom: 4px;
}
.roof-control-head b { color: var(--accent); font-weight: 700; font-variant-numeric: tabular-nums; }
.roof-control input[type="range"] {
  width: 100%; accent-color: var(--accent); margin: 0;
}
.assume-note {
  margin: 6px 4px 0;
  font-size: 10.5px; color: var(--muted); line-height: 1.35;
}

.link-btn {
  margin-top: 8px;
  appearance: none; border: 0; background: transparent;
  color: var(--accent);
  padding: 4px 0;
  font: inherit; font-size: 12.5px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.link-btn:hover { color: var(--ink); }

.layer-toggles { list-style: none; margin: 0; padding: 0; }
.layer-toggles li { padding: 2px 0; }

.panel-foot { padding: 12px 16px 16px; }

/* ------------- results card ------------- */
.results-card {
  margin: 16px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
}
.results-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.lens-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
  background: var(--accent);
  padding: 3px 8px;
  border-radius: 3px;
}
.conf-chip {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid;
}
.conf-chip[data-level="HIGH"]   { color: var(--conf-high);   border-color: var(--conf-high);   background: rgba(46,125,79,0.06); }
.conf-chip[data-level="MEDIUM"] { color: var(--conf-medium); border-color: var(--conf-medium); background: rgba(176,122,22,0.06); }
.conf-chip[data-level="LOW"]    { color: var(--conf-low);    border-color: var(--conf-low);    background: rgba(138,74,74,0.06); }

/* ----- Three-scale results ----- *
 * Under-shelter / Street level / Community. Community = hero. */
.scale-row {
  padding: 8px 0;
  border-top: 1px solid var(--hairline);
}
.scale-row:first-of-type { border-top: 0; padding-top: 12px; }
.scale-label {
  font-size: 9.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--muted);
  margin-bottom: 2px;
}
.scale-value {
  font-size: 15px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  line-height: 1.15;
  transition: opacity 0.18s ease;
}
.scale-value.swapping { opacity: 0; }
.scale-unit {
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-top: 1px;
}
.scale-note {
  font-size: 11.5px;
  color: var(--ink-soft);
  font-style: italic;
  margin-top: 4px;
}

.scale-row-hero {
  margin-top: 4px;
  padding: 12px 0;
  border-top: 1px dashed var(--hairline);
  border-bottom: 1px dashed var(--hairline);
}
.scale-row-hero .scale-label { color: var(--accent); }
.scale-row-hero .scale-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.05;
}
.scale-row-hero .scale-unit { font-size: 12.5px; }

.scenario-meta {
  list-style: none; margin: 10px 0 0; padding: 0;
  display: grid; gap: 3px;
}
.scenario-meta li {
  font-size: 11.5px; color: var(--ink-soft);
  display: flex; justify-content: space-between; gap: 8px;
}
.scenario-meta li b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ----- Takeaway: bare stop → sheltered → green roof, + the two deltas ----- */
.takeaway {
  margin: 0 16px 16px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  box-shadow: var(--shadow-sm);
}
.takeaway-head {
  font-size: 9.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.10em;
  color: var(--muted); margin-bottom: 12px;
}
.takeaway-head span { color: var(--accent); }

.ladder { display: flex; align-items: stretch; gap: 3px; }
.ladder-state {
  flex: 1; min-width: 0; text-align: center;
  padding: 8px 3px; border-radius: 4px;
  background: var(--bg-sunken);
}
.ladder-state.is-pending {
  background: repeating-linear-gradient(45deg,
    var(--bg-sunken), var(--bg-sunken) 4px, #fff 4px, #fff 8px);
}
.ladder-label {
  font-size: 9px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.ladder-value {
  font-size: 16px; font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink); margin: 2px 0; line-height: 1.1;
  /* Fixed-height, centered value cell so a small "pending" doesn't shift the
     sub-label below it out of line with the numeric columns. */
  min-height: 20px;
  display: flex; align-items: center; justify-content: center;
  white-space: nowrap;
}
.ladder-state.is-pending .ladder-value {
  color: var(--muted); font-weight: 600; font-style: italic; font-size: 11px;
}
.ladder-sub { font-size: 9px; color: var(--muted); line-height: 1.2; }
.ladder-arrow { align-self: center; color: var(--hairline-strong); font-size: 13px; }

.ladder-deltas { display: flex; gap: 8px; margin-top: 12px; }
.delta {
  flex: 1; min-width: 0; padding: 8px 10px; border-radius: 4px;
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--accent);
}
.delta-label { font-size: 10.5px; color: var(--ink-soft); font-weight: 600; }
.delta-value {
  font-size: 15px; font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent); margin: 1px 0;
}
.delta.is-pending .delta-value { color: var(--muted); font-style: italic; font-size: 12px; }
.delta-sub { font-size: 9px; color: var(--muted); line-height: 1.2; }

.takeaway-foot {
  font-size: 10px; color: var(--muted);
  line-height: 1.4; margin: 10px 0 0;
}

.agency-lineage {
  margin-top: 10px;
  font-size: 10.5px;
  color: var(--muted);
  line-height: 1.45;
  border-top: 1px solid var(--hairline);
  padding-top: 8px;
}
.agency-lineage b { color: var(--ink-soft); font-weight: 600; }

.tbd-badge {
  display: inline-block;
  font-size: 9.5px;
  letter-spacing: 0.08em;
  background: var(--bg-sunken);
  color: var(--muted);
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  margin-left: 4px;
  vertical-align: middle;
}


/* ------------- map ------------- */
#map {
  grid-column: 2; grid-row: 2;
  position: relative;
  background: #f4f1ec;
  transition: filter 0.22s ease;
}
#map.lens-switching { filter: brightness(1.06) saturate(0.85); }

/* Floating legend over map — bottom-right corner. */
#legend {
  position: absolute;
  bottom: 12px; right: 12px;
  max-width: 240px;
  max-height: calc(100vh - var(--topbar-h) - 24px);
  overflow-y: auto;
}

/* Layer toggles box — overlaid top-left of the webmap. */
#map-layers {
  top: calc(var(--topbar-h) + 12px);
  left: calc(var(--panel-w) + 12px);
  max-width: 220px;
}
#map-layers h2 {
  font-size: 11px;
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
  display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap;
}
#map-layers h2 .hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 10.5px;
}
#legend h2 {
  font-size: 11px;
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}
#legend .group { margin-bottom: 8px; }
#legend .group:last-child { margin-bottom: 0; }
#legend .group-title { font-weight: 600; margin-bottom: 3px; font-size: 11.5px; }
#legend .group-note { color: var(--muted); font-size: 10px; }
#legend .ramp { display: flex; gap: 0; margin: 4px 0 2px; }
#legend .ramp span { display: inline-block; width: 24px; height: 10px; }
#legend .ramp-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); margin-bottom: 4px; }
#legend .swatch { display: inline-block; width: 11px; height: 11px; margin-right: 6px; vertical-align: middle; border-radius: 2px; border: 1px solid rgba(0,0,0,0.15); }

.panel {
  position: absolute;
  background: rgba(255,255,255,0.96);
  padding: 10px 12px;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
  font-size: 12px;
  z-index: 600;
}
#loading {
  top: calc(var(--topbar-h) + 12px);
  left: calc(var(--panel-w) + 252px);
}
#loading.hidden { display: none; }
#info {
  bottom: 4px; left: calc(var(--panel-w) + 4px);
  font-size: 10px; color: var(--muted);
  padding: 4px 8px;
  max-width: 60%;
}

/* ------------- methodology sidesheet ------------- */
.sidesheet {
  position: fixed;
  top: var(--topbar-h);
  right: 0;
  width: 440px;
  max-width: 95vw;
  height: calc(100vh - var(--topbar-h));
  background: #fff;
  box-shadow: var(--shadow-md);
  z-index: 1200;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  display: flex; flex-direction: column;
  border-left: 1px solid var(--hairline);
}
.sidesheet.open { transform: translateX(0); }
.sheet-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--hairline);
}
.sheet-head h2 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}
.close-btn {
  appearance: none; border: 0; background: transparent;
  font-size: 22px; color: var(--muted); cursor: pointer;
  line-height: 1; padding: 4px 8px;
}
.close-btn:hover { color: var(--ink); }
.sheet-body {
  padding: 18px;
  overflow-y: auto;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink-soft);
}
.sheet-body h3 {
  font-size: 11px;
  margin: 18px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  font-weight: 700;
}
.sheet-body h3:first-child { margin-top: 0; }
.sheet-body ul { padding-left: 18px; margin: 6px 0; }
.sheet-body p { margin: 4px 0 8px; }
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-bottom: 8px;
}
.spec-table th, .spec-table td {
  text-align: left; vertical-align: top;
  padding: 5px 8px;
  border-top: 1px solid var(--hairline);
}
.spec-table tr:first-child th, .spec-table tr:first-child td { border-top: 0; }
.spec-table th { color: var(--muted); font-weight: 500; width: 40%; }

/* ------------- map overlays — preserved styling from prior viewer ------------- */
.leaflet-tooltip.route-label,
.leaflet-tooltip.stop-label,
.leaflet-tooltip.choro-label {
  background: rgba(255,255,255,0.95);
  border: none;
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  padding: 3px 7px;
  color: #1a1a1a;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.leaflet-tooltip.route-label { font-weight: 600; }
.leaflet-tooltip-top:before,
.leaflet-tooltip-bottom:before,
.leaflet-tooltip-left:before,
.leaflet-tooltip-right:before { border-top-color: rgba(255,255,255,0.95); }
.leaflet-interactive { cursor: pointer; }

.popup-table { border-collapse: collapse; font-size: 11px; }
.popup-table th, .popup-table td { padding: 2px 6px 2px 0; text-align: left; vertical-align: top; }
.popup-table th { color: var(--muted); font-weight: 500; white-space: nowrap; }
.popup-title { font-weight: 600; margin-bottom: 4px; font-size: 12px; }

.shelter-popup { width: 280px; max-width: 100%; }
.shelter-popup .popup-title { font-size: 13px; margin-bottom: 6px; }
.streetview-link {
  display: inline-flex; align-items: center; gap: 5px;
  margin: 0 0 8px;
  padding: 6px 10px;
  background: var(--bg-soft);
  border: 1px solid var(--hairline-strong);
  border-radius: 4px;
  color: var(--ink-soft);
  font-size: 11.5px;
  font-weight: 500;
  text-decoration: none;
}
.streetview-link:hover { background: var(--bg-sunken); color: var(--ink); border-color: #999; }
.shelter-desc { font-size: 11px; line-height: 1.4; color: #333; margin-bottom: 6px; }
.popup-foot {
  margin-top: 6px; padding-top: 5px;
  border-top: 1px solid rgba(0,0,0,0.07);
  font-size: 10px; color: #888;
}
.leaflet-popup-content { margin: 12px 14px; min-width: 0; }

/* ------------- print stylesheet — one-page brief ------------- */
@media print {
  @page { size: letter portrait; margin: 0.4in; }
  body {
    display: block;
    height: auto;
    overflow: visible;
    background: #fff;
    color: #000;
    font-size: 11px;
  }
  #topbar, #map, #map-layers, #legend, #loading, #info, #methodology-sheet,
  #panel .section,
  .pilot-pin, .link-btn, .ghost-btn, .primary-btn,
  .leaflet-control-container {
    display: none !important;
  }
  /* Show only the results card in print, centered */
  #panel {
    position: static;
    width: auto;
    background: #fff;
    border: 0;
    padding: 0;
    overflow: visible;
  }
  .results-card {
    margin: 0 auto;
    max-width: 6.5in;
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }
  /* Takeaway prints on the brief too — flatten colored/hatched cells to
     bordered white so it reads cleanly in B/W. */
  .takeaway {
    margin: 12px auto 0;
    max-width: 6.5in;
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }
  .ladder-state, .delta { background: #fff !important; border: 1px solid #bbb; }
  .ladder-state.is-pending { background: #fff !important; border-style: dashed; }
  .takeaway-head span, .delta-value { color: #000 !important; }
  .ladder-arrow { color: #999; }
  .print-only { display: block !important; }
  /* Tear-sheet header injected at print time */
  .print-header {
    display: block;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid #000;
  }
  .print-header h1 {
    font-size: 16px;
    margin: 0 0 4px;
  }
  .print-header .meta {
    font-size: 10.5px;
    color: #444;
  }
  .print-footer {
    margin-top: 16px;
    font-size: 9.5px;
    color: #666;
    border-top: 1px solid #ccc;
    padding-top: 6px;
  }
}
.print-only { display: none; }
.print-header, .print-footer { display: none; }