:root {
  --primitive-land: oklch(0.933 0 0);
  --primitive-paper: oklch(0.984 0.003 255);
  --primitive-ink: oklch(0.29 0.01 255);
  --primitive-water: oklch(0.57 0.19 255);
  --surface: var(--primitive-land);
  --panel: color-mix(in oklch, var(--primitive-paper) 90%, transparent);
  --text: var(--primitive-ink);
  --muted: oklch(0.43 0.01 255);
  --water: var(--primitive-water);
  --line: oklch(0.85 0.008 255);
  --shadow: 0 10px 35px oklch(0.2 0.02 255 / 0.09);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; }
button, .leaflet-interactive { cursor: pointer; }
:focus-visible { outline: 3px solid var(--water); outline-offset: 3px; }

.atlas, #map { width: 100%; height: 100%; min-height: 100dvh; }
.atlas { position: relative; isolation: isolate; }
#map { position: absolute; inset: 0; background: var(--surface); z-index: 0; }
.leaflet-tile-pane { filter: saturate(0.42) brightness(1.045) contrast(0.9); }

.intro {
  position: absolute;
  z-index: 500;
  top: max(24px, env(safe-area-inset-top));
  left: max(24px, env(safe-area-inset-left));
  width: min(400px, calc(100vw - 112px));
  padding: 22px 24px 20px;
  border: 1px solid color-mix(in oklch, var(--line) 75%, transparent);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px) saturate(115%);
  -webkit-backdrop-filter: blur(16px) saturate(115%);
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.intro__subtitle {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.filters { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 19px; }
.filter {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 3px 0;
  border: 0;
  color: var(--text);
  background: transparent;
  font-size: 12px;
  font-weight: 500;
  transition: opacity 180ms ease-out, color 180ms ease-out;
}
.filter:hover { color: var(--water); }
.filter[aria-pressed="false"] { opacity: 0.38; }
.filter__line { width: 17px; height: 3px; margin-right: 7px; border-radius: 2px; background: var(--water); }
.filter__area { width: 14px; height: 10px; margin-right: 7px; border: 1.5px solid var(--water); border-radius: 50%; background: color-mix(in oklch, var(--water) 20%, transparent); }
.filter__area--reservoir { border-radius: 2px 5px 3px 5px; transform: rotate(-12deg); }
.filter__place { width: 10px; height: 10px; margin: 0 9px 0 2px; border: 2px solid var(--text); border-radius: 50%; box-shadow: 0 0 0 2px color-mix(in oklch, var(--text) 12%, transparent); }

.landmark-marker { background: transparent; border: 0; }
.landmark-marker span {
  display: block;
  width: 12px;
  height: 12px;
  margin: 4px;
  border: 2.5px solid var(--primitive-paper);
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 0 1.5px var(--text), 0 3px 8px oklch(0.2 0.02 255 / 0.22);
  transition: transform 160ms ease-out, background 160ms ease-out;
}
.landmark-marker:hover span,
.landmark-marker.is-active span,
.landmark-marker:focus-visible span { background: var(--water); transform: scale(1.22); }

.reset-view {
  position: absolute;
  z-index: 500;
  top: max(24px, env(safe-area-inset-top));
  right: max(24px, env(safe-area-inset-right));
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid color-mix(in oklch, var(--line) 75%, transparent);
  border-radius: 12px;
  color: var(--text);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  transition: transform 180ms ease-out, color 180ms ease-out;
}
.reset-view:hover { color: var(--water); transform: translateY(-2px); }
.reset-view:active { transform: translateY(0); }
.reset-view svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.map-note, .object-count {
  position: absolute;
  z-index: 500;
  bottom: max(24px, env(safe-area-inset-bottom));
  padding: 9px 12px;
  border: 1px solid color-mix(in oklch, var(--line) 70%, transparent);
  border-radius: 9px;
  background: var(--panel);
  box-shadow: 0 4px 18px oklch(0.2 0.02 255 / 0.06);
  backdrop-filter: blur(12px);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}
.map-note { left: max(24px, env(safe-area-inset-left)); display: flex; align-items: center; gap: 8px; }
.map-note__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--water); }
.object-count { right: max(24px, env(safe-area-inset-right)); font-variant-numeric: tabular-nums; }

.leaflet-control-zoom {
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--line) 75%, transparent) !important;
  border-radius: 12px !important;
  box-shadow: var(--shadow) !important;
}
.leaflet-control-zoom a {
  width: 42px !important;
  height: 42px !important;
  border-bottom-color: var(--line) !important;
  color: var(--text) !important;
  background: var(--panel) !important;
  font: 300 24px/40px "Helvetica Neue", Arial, sans-serif !important;
  backdrop-filter: blur(16px);
  transition: color 160ms ease-out, background 160ms ease-out;
}
.leaflet-control-zoom a:hover { color: var(--water) !important; background: var(--primitive-paper) !important; }
.leaflet-bottom.leaflet-right { bottom: 60px; }
.leaflet-control-attribution {
  padding: 3px 6px !important;
  color: var(--muted) !important;
  background: color-mix(in oklch, var(--primitive-paper) 82%, transparent) !important;
  font-size: 9px !important;
}
.leaflet-control-attribution a { color: var(--muted) !important; text-decoration: underline; text-underline-offset: 2px; }
.leaflet-tooltip.water-tooltip {
  padding: 9px 12px 8px;
  border: 1px solid color-mix(in oklch, var(--line) 80%, transparent);
  border-radius: 8px;
  color: var(--text);
  background: var(--primitive-paper);
  box-shadow: 0 8px 26px oklch(0.2 0.02 255 / 0.16);
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-align: left;
}
.leaflet-tooltip.water-tooltip::before { display: none; }
.water-tooltip__name { display: block; font-size: 14px; font-weight: 600; line-height: 1.25; }
.water-tooltip__type { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; line-height: 1.2; }
.leaflet-fade-anim .leaflet-tooltip { transition: opacity 160ms ease-out; }

@media (max-width: 640px) {
  .intro {
    top: max(12px, env(safe-area-inset-top));
    left: max(12px, env(safe-area-inset-left));
    width: calc(100vw - 76px);
    padding: 16px;
    border-radius: 12px;
  }
  .eyebrow { margin-bottom: 6px; font-size: 10px; }
  h1 { font-size: 25px; }
  .intro__subtitle { margin-top: 6px; font-size: 12px; }
  .filters { gap: 2px 12px; margin-top: 11px; }
  .filter { min-height: 34px; font-size: 11px; }
  .reset-view { top: max(12px, env(safe-area-inset-top)); right: max(12px, env(safe-area-inset-right)); width: 48px; height: 48px; }
  .map-note { display: none; }
  .object-count { right: auto; bottom: max(12px, env(safe-area-inset-bottom)); left: max(12px, env(safe-area-inset-left)); font-size: 11px; }
  .leaflet-left .leaflet-control-zoom { margin-left: 12px; }
  .leaflet-bottom.leaflet-right { bottom: 42px; }
}

@media (max-height: 520px) {
  .intro__subtitle { display: none; }
  .filters { margin-top: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}