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

html, body {
  height: 100%;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: #0d1117;
  color: #e6edf3;
  overflow: hidden;
}

/* ── Top bar ─────────────────────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 48px;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 100;
}

.topbar-left { display: flex; align-items: center; gap: 10px; }

.topbar-logo {
  color: #3b82f6;
  font-size: 14px;
}

.topbar-title {
  font-size: 14px;
  font-weight: 600;
  color: #f0f6fc;
  letter-spacing: 0.02em;
}

.topbar-subtitle {
  font-size: 12px;
  color: #8b949e;
  padding-left: 10px;
  border-left: 1px solid rgba(255,255,255,0.12);
}

.topbar-meta {
  font-size: 11px;
  color: #8b949e;
  font-variant-numeric: tabular-nums;
}

/* ── Map ─────────────────────────────────────────────────────────────────── */
#map {
  position: fixed;
  top: 48px; left: 0; right: 0; bottom: 0;
}

/* ── Side panel ──────────────────────────────────────────────────────────── */
.panel {
  position: fixed;
  top: 58px;
  left: 12px;
  width: 272px;
  max-height: calc(100vh - 70px);
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 10px;
  overflow-y: auto;
  z-index: 50;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
}

.panel-section {
  padding: 14px 16px;
}

.panel-section--info {
  border-top: 1px solid rgba(255,255,255,0.08);
}

.panel-heading {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8b949e;
  margin-bottom: 12px;
}

.divider {
  height: 1px;
  background: rgba(255,255,255,0.07);
  margin: 12px 0;
}

/* ── Layer toggle row ────────────────────────────────────────────────────── */
.layer-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.layer-name {
  font-size: 13px;
  font-weight: 500;
  color: #e6edf3;
}

.layer-hint {
  font-size: 11px;
  color: #8b949e;
  margin-top: -4px;
  margin-bottom: 2px;
}

/* Toggle switch */
.layer-toggle { position: relative; display: inline-block; width: 34px; height: 18px; flex-shrink: 0; }
.layer-toggle input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.12);
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-track::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  background: #8b949e;
  border-radius: 50%;
  transition: transform 0.2s, background 0.2s;
}
.layer-toggle input:checked + .toggle-track { background: #1d4ed8; }
.layer-toggle input:checked + .toggle-track::after { transform: translateX(16px); background: #fff; }

/* ── Legend bars ─────────────────────────────────────────────────────────── */
.legend-bar { margin-bottom: 6px; }

.legend-gradient {
  height: 8px;
  border-radius: 4px;
  margin-bottom: 3px;
}

.legend-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: #8b949e;
}

.legend-cls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 8px;
  margin-bottom: 6px;
}

.cls-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: #8b949e;
}

.cls-swatch {
  width: 10px; height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── Opacity slider ──────────────────────────────────────────────────────── */
.slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.slider-label {
  font-size: 11px;
  color: #8b949e;
  width: 44px;
  flex-shrink: 0;
}

.slider {
  flex: 1;
  -webkit-appearance: none;
  height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.15);
  outline: none;
  cursor: pointer;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: #3b82f6;
  cursor: pointer;
  border: 2px solid #0d1117;
}
.slider::-moz-range-thumb {
  width: 13px; height: 13px;
  border-radius: 50%;
  background: #3b82f6;
  cursor: pointer;
  border: 2px solid #0d1117;
}

.slider-val {
  font-size: 11px;
  color: #8b949e;
  width: 30px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ── Info text ───────────────────────────────────────────────────────────── */
.info-text {
  font-size: 11px;
  color: #8b949e;
  line-height: 1.6;
  margin-bottom: 8px;
}
.info-text strong { color: #e6edf3; font-weight: 500; }

/* ── Risk markers (DOM) ──────────────────────────────────────────────────── */
.risk-marker {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ffffff;
  border: 2.5px solid #ef4444;
  box-shadow: 0 0 0 3px rgba(13,17,23,0.55), 0 2px 6px rgba(0,0,0,0.5);
  color: #0d1117;
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  /* Do NOT transition 'transform' here — MapLibre sets translate() on this
     element every render frame; a transition would cause visible pan lag. */
  transition: scale 0.12s ease;
}
.risk-marker:hover {
  /* Use 'scale' (individual transform) so hover animation is independent
     of the translate() MapLibre injects via the 'transform' property. */
  scale: 1.18;
  z-index: 10;
}

/* ── MapLibre popup ──────────────────────────────────────────────────────── */
.maplibregl-popup-content {
  background: rgba(13,17,23,0.96) !important;
  border: 1px solid rgba(255,255,255,0.12) !important;
  border-radius: 8px !important;
  color: #e6edf3 !important;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
  font-size: 12px !important;
  padding: 12px 14px !important;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5) !important;
}
.maplibregl-popup-tip { border-top-color: rgba(13,17,23,0.96) !important; }
.maplibregl-popup-close-button {
  color: #8b949e !important;
  font-size: 16px !important;
  padding: 4px 8px !important;
}

.popup-rank {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #f97316;
  margin-bottom: 4px;
}
.popup-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 2px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.popup-row:last-child { border-bottom: none; }
.popup-key { color: #8b949e; }
.popup-val { color: #f0f6fc; font-weight: 500; font-variant-numeric: tabular-nums; }

/* ── MapLibre controls ───────────────────────────────────────────────────── */
.maplibregl-ctrl-group {
  background: rgba(13,17,23,0.92) !important;
  border: 1px solid rgba(255,255,255,0.10) !important;
  border-radius: 8px !important;
}
.maplibregl-ctrl-group button {
  color: #8b949e !important;
  border-bottom-color: rgba(255,255,255,0.08) !important;
}
.maplibregl-ctrl-group button:hover { background: rgba(255,255,255,0.06) !important; }
.maplibregl-ctrl-attrib { background: rgba(13,17,23,0.7) !important; color: #8b949e !important; font-size: 10px !important; }
.maplibregl-ctrl-attrib a { color: #8b949e !important; }