:root {
  --accent: #0077b6;
  --nav-bg: #03045e;
  --nav-bg-2: #023e8a;
  --bg: #0a1929;
  --text: #e0e7ef;
  --text-muted: #8eafc4;
  --card-bg: #0d2137;
  --border: #1e3a5f;
  --status-active: #4ade80;
  --status-degraded: #facc15;
  --status-silent: #64748b;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
}

header {
  background: linear-gradient(90deg, var(--nav-bg), var(--nav-bg-2));
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

header h1 {
  font-size: 1.25rem;
  margin: 0;
}

header .subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-left: 0.5rem;
}

#stats {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  align-items: center;
  flex-wrap: wrap;
}

#stats .stat { display: flex; align-items: center; gap: 0.35rem; }

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot.active { background: var(--status-active); }
.dot.degraded { background: var(--status-degraded); }
.dot.silent { background: var(--status-silent); }

#map-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
}

#map {
  position: absolute;
  inset: 0;
}

/* Plan panel spans the full right edge — shift Leaflet's own right-side
   controls (basemap/layers up top, legend down below) left by the panel's
   width so they stay reachable instead of disappearing underneath it. */
#map-wrap.plan-open .leaflet-top.leaflet-right,
#map-wrap.plan-open .leaflet-bottom.leaflet-right {
  right: 320px;
  transition: right 0.15s ease;
}
@media (max-width: 500px) {
  #map-wrap.plan-open .leaflet-top.leaflet-right,
  #map-wrap.plan-open .leaflet-bottom.leaflet-right {
    right: 90vw;
  }
}

.leaflet-popup-content-wrapper {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
}
.leaflet-popup-tip { background: var(--card-bg); }

.popup-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}
.popup-row {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.popup-hint {
  margin-top: 0.35rem;
  font-size: 0.68rem;
  font-style: italic;
  color: var(--text-muted);
  opacity: 0.8;
}
.popup-neighbors {
  margin-top: 0.5rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--border);
}
.popup-neighbors-title {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.popup-neighbors ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  max-height: 160px;
  overflow-y: auto;
  font-size: 0.72rem;
}
.popup-neighbors li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.popup-status {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.popup-status.active { background: rgba(74,222,128,0.15); color: var(--status-active); }
.popup-status.degraded { background: rgba(250,204,21,0.15); color: var(--status-degraded); }
.popup-status.silent { background: rgba(100,116,139,0.2); color: var(--status-silent); }

.legend {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  font-size: 0.75rem;
  max-width: 220px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.legend-title { font-weight: 600; margin-bottom: 0.4rem; }
.legend-bar {
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(90deg, #f97316, #22c55e);
  margin-bottom: 0.25rem;
}
.legend-labels {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.68rem;
}
.legend-note {
  margin-top: 0.4rem;
  color: var(--text-muted);
  font-size: 0.65rem;
  line-height: 1.3;
}

.legend-opacity {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.45rem;
  font-size: 0.68rem;
  color: var(--text-muted);
}
.legend-opacity input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
}

.scope-filter-control {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.scope-filter-title {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}
.scope-filter-control label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}
.scope-filter-control input[type="checkbox"] {
  accent-color: var(--accent);
}

.position-mode-control {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.position-mode-title {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}
.position-mode-control select {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2rem 0.3rem;
  font-size: 0.75rem;
}

.leaflet-control-layers {
  background: var(--card-bg) !important;
  color: var(--text) !important;
  border: 1px solid var(--border) !important;
}

/* Precision/Calibrated Precision coverage overlay: nearest-neighbour
   scaling instead of the browser's default smooth (bilinear) upscaling,
   so zooming in reveals the raster's real per-pixel detail as crisp
   squares rather than blurring it into a soft gradient. */
.coverage-crisp {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}
.leaflet-control-layers-expanded { padding: 0.5rem 0.75rem !important; }

#error-banner {
  display: none;
  background: #7f1d1d;
  color: #fecaca;
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

#progress-banner {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
#progress-banner.hidden { display: none; }
#progress-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.progress-track {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
#progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #f97316, #22c55e);
  transition: width 0.4s ease;
}

/* --- planning tools --- */

#map-tools {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  /* Leaflet's own control corners sit at z-index:1000, and the layers
     control (top-right, expanded) can overlap the panel's top edge since
     the panel spans the full right side — this must stay above that. */
  z-index: 1100;
  display: flex;
  gap: 0.5rem;
}
#map-tools button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  white-space: nowrap;
}
#map-tools button:hover { filter: brightness(1.1); }
#companion-pin-toggle.active {
  background: #f97316;
}
#companion-pin-hint {
  position: absolute;
  bottom: 3.5rem;
  left: 0.75rem;
  z-index: 1100;
  max-width: 280px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

#plan-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 90vw;
  background: var(--card-bg);
  border-left: 1px solid var(--border);
  z-index: 1100;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem;
  box-shadow: -4px 0 16px rgba(0,0,0,0.4);
}
#plan-panel.hidden { display: none; }

.plan-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.plan-panel-header button {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
}

.plan-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}
.plan-row select, .plan-row input[type="text"] {
  flex: 1;
  min-width: 0;
}

.neighbor-window-control {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.neighbor-window-control label {
  color: var(--text-muted);
  flex: 1 1 auto;
}
.neighbor-window-control select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2rem 0.4rem;
  font-size: 0.72rem;
}

#plan-panel button, #plan-panel select, #plan-panel input[type="text"] {
  background: var(--surface1, #0a1929);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.5rem;
  font-size: 0.78rem;
  cursor: pointer;
}
#plan-panel input[type="text"] { cursor: text; }
#plan-panel button:hover { border-color: var(--accent); }

.plan-mode-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0;
}
.plan-mode-btn { flex: 1 1 30%; }
.plan-mode-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.plan-full-width-btn {
  width: 100%;
  margin-top: 0.5rem;
}
.plan-full-width-btn.active {
  background: #a855f7;
  border-color: #a855f7;
  color: #fff;
}

.plan-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  border-radius: 6px;
  padding: 0.4rem 0.5rem;
  margin-bottom: 0.6rem;
}
.plan-hint.hidden { display: none; }

.plan-section-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin: 0.6rem 0 0.3rem;
}

.plan-list { display: flex; flex-direction: column; gap: 0.3rem; }
.plan-empty { font-size: 0.75rem; color: var(--text-muted); font-style: italic; }

.plan-list-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255,255,255,0.04);
  border-radius: 6px;
  padding: 0.3rem 0.5rem;
  font-size: 0.75rem;
}
.plan-item-label { font-weight: 600; }
.plan-item-sub { color: var(--text-muted); font-size: 0.68rem; flex: 1; }
.plan-item-actions { display: flex; gap: 0.2rem; }
.plan-item-actions button {
  padding: 0.1rem 0.35rem;
  font-size: 0.7rem;
}

.plan-field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.75rem;
  margin-bottom: 0.5rem;
}
.plan-field-row input[type="number"] {
  width: 4rem;
  padding: 0.2rem 0.35rem;
  font-size: 0.75rem;
}

.plan-connect-option {
  cursor: pointer;
  border: 1px solid transparent;
}
.plan-connect-option:hover {
  background: rgba(255,255,255,0.08);
}
.plan-connect-option.selected {
  border-color: #4ade80;
  background: rgba(74,222,128,0.12);
}
.plan-connect-option .plan-item-actions button {
  background: #4ade80;
  border-color: #4ade80;
  color: #0b1220;
  font-weight: 600;
}

.plan-hop-result {
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 0.15rem 0.6rem;
}

#plan-share-result {
  font-size: 0.72rem;
  background: rgba(255,255,255,0.05);
  border-radius: 6px;
  padding: 0.4rem 0.5rem;
  margin-bottom: 0.6rem;
  word-break: break-all;
}
#plan-share-result a { color: var(--accent); }
#plan-share-result.hidden { display: none; }

.planned-marker-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #a855f7;
  border: 2px solid #fff;
  box-shadow: 0 0 4px rgba(0,0,0,0.6);
}

.companion-pin-dot {
  width: 18px;
  height: 18px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  background: #f97316;
  border: 2px solid #fff;
  box-shadow: 0 0 4px rgba(0,0,0,0.6);
}

/* A personal, local-only repositioning of a real repeater — distinct from
   both the purple "new planned site" dot and the orange companion pin, so
   all three read as different things at a glance. Never replaces the real
   repeater's own marker; see the dashed connector below. */
.override-marker-dot {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: #f59e0b;
  border: 2px solid #fff;
  box-shadow: 0 0 4px rgba(0,0,0,0.6);
}

/* --- neighbours --- */

.plan-item-neighbors {
  cursor: default;
}

.leaflet-tooltip.neighbor-tooltip-wrap {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0;
}
.leaflet-tooltip.neighbor-tooltip-wrap::before {
  display: none;
}

.neighbor-tooltip {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  font-size: 0.72rem;
  max-width: 240px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
.neighbor-tooltip-title { font-weight: 700; margin-bottom: 0.1rem; }
.neighbor-tooltip-sub { color: var(--text-muted); font-size: 0.68rem; margin-bottom: 0.35rem; }
.neighbor-tooltip ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  max-height: 180px;
  overflow-y: auto;
}
.neighbor-tooltip li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nb-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.nb-dot.nb-strong { background: #4ade80; }
.nb-dot.nb-marginal { background: #facc15; }
.nb-dot.nb-weak { background: #f87171; }