/* Surveyor — field survey map tool */

:root {
  --bar-bg: #1b2530;
  --bar-bg-2: #232f3d;
  --bar-text: #eef2f6;
  --accent: #0ea5e9;
  --accent-dark: #0284c7;
  --danger: #dc2626;
  --surface: #ffffff;
  --surface-2: #f2f5f8;
  --ink: #16202b;
  --ink-2: #5b6b7b;
  --line: #dbe2e9;
  --shadow: 0 4px 16px rgba(10, 20, 30, .22);
  --shadow-sm: 0 2px 8px rgba(10, 20, 30, .18);
  --radius: 14px;
  --bar-h: 56px;
  --map-bg: #e7ebee;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

[hidden] { display: none !important; }

html, body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  background: var(--map-bg);
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  position: fixed;
  inset: 0;
}

input, textarea {
  -webkit-user-select: text;
  user-select: text;
  font-family: inherit;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

/* ================= Top bar ================= */

#topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--bar-h);
  background: var(--bar-bg);
  color: var(--bar-text);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  z-index: 40;
  box-shadow: 0 2px 10px rgba(0,0,0,.3);
}

#communitySelect {
  height: 40px;
  max-width: 42vw;
  background: var(--bar-bg-2);
  color: var(--bar-text);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  padding: 0 8px;
  appearance: none;
  -webkit-appearance: none;
}

#searchWrap {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  height: 40px;
  background: var(--bar-bg-2);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 10px;
  padding: 0 6px 0 10px;
}

#searchIcon { color: #8fa2b5; flex: none; }

#searchInput {
  flex: 1;
  min-width: 0;
  height: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--bar-text);
  font-size: 15px;
  padding: 0 6px;
}
#searchInput::placeholder { color: #7d8fa1; }
#searchInput::-webkit-search-cancel-button { display: none; }

#searchClear {
  flex: none;
  width: 32px; height: 32px;
  border-radius: 8px;
  color: #9fb1c3;
  font-size: 14px;
}
#searchClear:active { background: rgba(255,255,255,.1); }

#searchResults {
  position: absolute;
  top: 46px;
  left: -6px;
  right: -6px;
  max-height: 46vh;
  overflow-y: auto;
  background: var(--surface);
  color: var(--ink);
  border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 60;
}

.result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 48px;
  padding: 8px 14px;
  font-size: 15px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.result-item:last-child { border-bottom: none; }
.result-item:active { background: var(--surface-2); }
.result-item .r-icon {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: #e5f4fd;
  color: var(--accent-dark);
  font-weight: 700;
}
.result-item.landmark .r-icon { background: #fdeee5; color: #c2570a; }
.result-none {
  padding: 14px;
  font-size: 14px;
  color: var(--ink-2);
  text-align: center;
}

#menuBtn {
  flex: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  font-size: 20px;
  color: var(--bar-text);
}
#menuBtn:active { background: rgba(255,255,255,.12); }

#menuDropdown {
  position: fixed;
  top: calc(var(--bar-h) + 4px);
  right: 8px;
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 70;
  overflow: hidden;
  min-width: 220px;
}
#menuDropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
#menuDropdown button:last-child { border-bottom: none; }
#menuDropdown button.danger-item { color: var(--danger); }
#menuDropdown button:active { background: var(--surface-2); }

/* ================= Stage ================= */

#stage {
  position: fixed;
  top: var(--bar-h);
  left: 0; right: 0; bottom: 0;
  overflow: hidden;
  touch-action: none;
  background: var(--map-bg);
}
#stage.marker-mode { cursor: crosshair; }
#stage.editing { cursor: crosshair; }

/* while editing, existing (possibly uncolored) buildings become visible */
#stage.editing .hit {
  stroke: rgba(217, 119, 6, .9);
  stroke-width: 1.5;
  fill: rgba(245, 158, 11, .14);
}

.draw-rect {
  fill: rgba(245, 158, 11, .25);
  stroke: #d97706;
  stroke-width: 1.2;
  pointer-events: none;
}

.detect-preview {
  fill: rgba(251, 140, 0, .18);
  stroke: #fb8c00;
  stroke-width: 1.6;
  stroke-dasharray: 6 4;
  pointer-events: none;
}

#mapLayer {
  position: absolute;
  top: 0; left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

#baseImg, #overlay {
  position: absolute;
  top: 0; left: 0;
  display: block;
  -webkit-user-drag: none;
}
#baseImg { pointer-events: none; }

#overlay { pointer-events: none; }
#overlay .hit { pointer-events: all; }
#overlay .pin { pointer-events: all; }

.hit {
  fill: rgba(0,0,0,0);
  stroke: rgba(0,0,0,0);
  stroke-width: 3;
}

.bld-fill { fill-opacity: .78; }

.bld-label {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-weight: 700;
  fill: #14202c;
  stroke: #ffffff;
  stroke-linejoin: round;
  paint-order: stroke;
  text-anchor: middle;
  pointer-events: none;
}

.pin-body {
  fill: #e11d48;
  stroke: #ffffff;
  stroke-width: 1.4;
}
.pin-dot { fill: #ffffff; }

@keyframes pulseRing {
  0%   { r: 10; opacity: .95; }
  100% { r: 42; opacity: 0; }
}
.pulse-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  animation: pulseRing 1.15s ease-out infinite;
}
.pulse-core {
  fill: var(--accent);
  opacity: .9;
}

/* ================= Empty state ================= */

#emptyState {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--map-bg);
  z-index: 5;
  padding: 24px;
}
.empty-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 26px;
  max-width: 340px;
  text-align: center;
}
.empty-icon { font-size: 42px; margin-bottom: 10px; }
.empty-card h2 { font-size: 18px; margin-bottom: 8px; }
.empty-card p { font-size: 14px; color: var(--ink-2); line-height: 1.45; }

/* ================= Floating controls ================= */

#mapControls {
  position: fixed;
  right: 10px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 30;
  pointer-events: none; /* gaps between buttons must not eat map taps */
}
#mapControls .ctl { pointer-events: auto; }

.ctl {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  font-size: 24px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ctl:active { background: var(--surface-2); }
#markerBtn.active {
  background: var(--accent);
  color: #fff;
}
#editBtn.active {
  background: #d97706;
  color: #fff;
}

#markerHint, #editHint {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  top: calc(var(--bar-h) + 12px);
  background: rgba(20, 30, 42, .92);
  color: #fff;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  z-index: 30;
  box-shadow: var(--shadow-sm);
  pointer-events: none;
}

/* ================= Legend ================= */

#legend {
  position: fixed;
  left: 10px;
  bottom: 24px;
  width: min(260px, 64vw);
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 30;
  overflow: hidden;
}

#legendHeader {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 46px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  text-align: left;
}
#legendSwatches { display: flex; gap: 3px; }
#legendSwatches i {
  width: 12px; height: 12px;
  border-radius: 4px;
  display: block;
}
#legendTitle { flex: 1; }
#legendChevron {
  color: var(--ink-2);
  transition: transform .18s ease;
}
#legend.collapsed #legendChevron { transform: rotate(-90deg); }
#legend.collapsed #legendBody { display: none; }

#legendBody {
  max-height: 38vh;
  overflow-y: auto;
  border-top: 1px solid var(--line);
  padding: 4px 0;
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 4px 12px;
}
.legend-color {
  flex: none;
  width: 22px; height: 22px;
  border-radius: 7px;
  border: 1px solid rgba(0,0,0,.18);
}
.legend-label {
  flex: 1;
  min-width: 0;
  height: 34px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  font-size: 14px;
  color: var(--ink);
  padding: 0 8px;
  outline: none;
}
.legend-label:focus {
  border-color: var(--accent);
  background: var(--surface-2);
}
.legend-label::placeholder { color: #a3b1bf; font-style: italic; }
.legend-count {
  flex: none;
  min-width: 26px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 3px 8px;
}

/* ================= Color sheet ================= */

#sheetScrim {
  position: fixed;
  inset: 0;
  z-index: 44;
}

#colorSheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--surface);
  border-radius: 18px 18px 0 0;
  box-shadow: 0 -6px 24px rgba(10,20,30,.28);
  z-index: 45;
  padding: 6px 16px calc(16px + env(safe-area-inset-bottom, 0px));
  animation: sheetUp .18s ease-out;
}
@keyframes sheetUp {
  from { transform: translateY(30%); opacity: .5; }
  to   { transform: translateY(0);   opacity: 1; }
}

.sheet-grab {
  width: 40px; height: 4px;
  border-radius: 2px;
  background: var(--line);
  margin: 6px auto 4px;
}

.sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.sheet-head h3 { font-size: 17px; }
#sheetClose {
  width: 40px; height: 40px;
  border-radius: 10px;
  font-size: 16px;
  color: var(--ink-2);
}
#sheetClose:active { background: var(--surface-2); }

#palette {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.swatch {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  min-height: 44px;
  border-radius: 12px;
  border: 2px solid rgba(0,0,0,.15);
}
.swatch:active { transform: scale(.93); }
.swatch.selected {
  border-color: var(--ink);
  box-shadow: 0 0 0 2px #fff inset;
}
.swatch.selected::after {
  content: "\2713";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  text-shadow: 0 1px 3px rgba(0,0,0,.6);
}

.sheet-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

#customColorLbl {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 12px;
  font-size: 15px;
  font-weight: 600;
  overflow: hidden;
}
#customSwatch {
  width: 24px; height: 24px;
  border-radius: 8px;
  background: conic-gradient(red, yellow, lime, cyan, blue, magenta, red);
  border: 1px solid rgba(0,0,0,.15);
}
#customColor {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

#clearColorBtn {
  flex: none;
  height: 48px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 15px;
  font-weight: 600;
  color: var(--danger);
}
#clearColorBtn:active { background: #fdf1f1; }

/* ================= Modal ================= */

#modalScrim {
  position: fixed;
  inset: 0;
  background: rgba(12, 20, 28, .45);
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

#modal {
  width: 100%;
  max-width: 340px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 18px 14px;
  animation: modalIn .15s ease-out;
}
@keyframes modalIn {
  from { transform: scale(.94); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

#modalTitle { font-size: 17px; margin-bottom: 8px; }
#modalMsg { font-size: 14px; color: var(--ink-2); line-height: 1.45; margin-bottom: 8px; }

#modalInput {
  width: 100%;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 16px;
  padding: 0 12px;
  margin: 6px 0 4px;
  outline: none;
}
#modalInput:focus { border-color: var(--accent); }

#modalBtns {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 12px;
  flex-wrap: wrap;
}
#modalBtns button {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-dark);
}
#modalBtns button:active { background: var(--surface-2); }
#modalBtns button.primary {
  background: var(--accent);
  color: #fff;
}
#modalBtns button.primary:active { background: var(--accent-dark); }
#modalBtns button.danger { color: var(--danger); }

/* ================= Busy overlay ================= */

#busy {
  position: fixed;
  inset: 0;
  background: rgba(12, 20, 28, .35);
  z-index: 85;
  display: flex;
  align-items: center;
  justify-content: center;
}
.busy-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 22px;
  font-size: 15px;
  font-weight: 600;
}
.busy-spinner {
  width: 22px; height: 22px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: busySpin .8s linear infinite;
}
@keyframes busySpin { to { transform: rotate(360deg); } }

/* ================= Toast ================= */

#toast {
  position: fixed;
  left: 50%;
  bottom: 90px;
  transform: translateX(-50%);
  background: rgba(20, 30, 42, .94);
  color: #fff;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 999px;
  z-index: 90;
  box-shadow: var(--shadow-sm);
  max-width: 86vw;
  text-align: center;
  pointer-events: none;
}