:root {
  color-scheme: light;
  --bg: #eef4ef;
  --panel: rgba(250, 253, 250, 0.91);
  --panel-solid: #f8fbf8;
  --text: #132018;
  --muted: #5e6d63;
  --line: rgba(27, 48, 35, 0.13);
  --accent: #1d6d45;
  --accent-soft: #dcefe4;
  --shadow: 0 10px 34px rgba(22, 39, 28, 0.18);
  --popup: #fff;
  --popup-text: #152019;
  --track: #d6dfd8;
  --thumb: #183d29;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

:root.dark {
  color-scheme: dark;
  --bg: #0d1210;
  --panel: rgba(15, 22, 18, 0.91);
  --panel-solid: #101712;
  --text: #eef5f0;
  --muted: #9aa8a0;
  --line: rgba(229, 240, 232, 0.13);
  --accent: #63c68d;
  --accent-soft: #173727;
  --shadow: 0 12px 38px rgba(0, 0, 0, 0.36);
  --popup: #151d18;
  --popup-text: #eef5f0;
  --track: #314039;
  --thumb: #8ce1ad;
}

* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; background: var(--bg); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); }
button, input { font: inherit; }
button { color: inherit; }
#map { position: fixed; inset: 0; z-index: 0; background: var(--bg); }

.glass {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px) saturate(1.18);
  -webkit-backdrop-filter: blur(18px) saturate(1.18);
}

.topbar {
  position: fixed;
  z-index: 900;
  top: calc(8px + var(--safe-top));
  left: calc(8px + var(--safe-left));
  right: calc(8px + var(--safe-right));
  min-height: 64px;
  border-radius: 20px;
  padding: 10px 10px 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-copy { min-width: 0; flex: 1; }
h1 { margin: 0; font-size: clamp(16px, 4.5vw, 20px); line-height: 1.1; letter-spacing: -0.025em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status { margin-top: 4px; color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.top-actions { display: flex; gap: 6px; }
.icon-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: color-mix(in srgb, var(--panel-solid) 78%, transparent);
  display: grid;
  place-items: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.icon-button:active { transform: scale(.96); }
.icon-button svg { width: 21px; height: 21px; fill: currentColor; }
.icon-button.active { color: var(--accent); background: var(--accent-soft); }
.moon-icon { display: none; }
:root.dark .sun-icon { display: none; }
:root.dark .moon-icon { display: block; }

.controls {
  position: fixed;
  z-index: 900;
  left: calc(8px + var(--safe-left));
  right: calc(8px + var(--safe-right));
  bottom: calc(8px + var(--safe-bottom));
  border-radius: 22px;
  overflow: hidden;
  transition: transform 180ms ease;
}
.controls.collapsed .controls-body { display: none; }
.sheet-handle { width: 100%; height: 24px; border: 0; background: transparent; display: grid; place-items: center; padding: 0; cursor: pointer; }
.sheet-handle span { display: block; width: 42px; height: 4px; background: var(--line); border-radius: 999px; }
.controls-body { padding: 2px 14px 14px; }

.mode-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.segmented { display: grid; grid-template-columns: 1fr 1fr; flex: 1; max-width: 270px; padding: 3px; background: color-mix(in srgb, var(--track) 75%, transparent); border-radius: 13px; }
.mode-button { min-height: 38px; border: 0; border-radius: 10px; background: transparent; color: var(--muted); font-weight: 700; font-size: 13px; cursor: pointer; }
.mode-button.active { background: var(--panel-solid); color: var(--text); box-shadow: 0 1px 7px rgba(0,0,0,.12); }
.follow-control { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 650; white-space: nowrap; cursor: pointer; }
.follow-control input { position: absolute; opacity: 0; pointer-events: none; }
.switch { width: 38px; height: 22px; border-radius: 999px; background: var(--track); position: relative; transition: background 160ms ease; }
.switch::after { content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%; background: var(--panel-solid); top: 2px; left: 2px; box-shadow: 0 1px 4px rgba(0,0,0,.3); transition: transform 160ms ease; }
.follow-control input:checked + .switch { background: var(--accent); }
.follow-control input:checked + .switch::after { transform: translateX(16px); }

.range-section { margin-top: 12px; }
.range-heading, .legend-heading { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); }
.range-heading strong { color: var(--text); font-size: 13px; }
.dual-range { height: 36px; position: relative; margin: 0 2px; }
.range-track { position: absolute; left: 0; right: 0; top: 16px; height: 5px; border-radius: 999px; background: var(--track); }
.dual-range input[type="range"] { position: absolute; inset: 0; width: 100%; height: 36px; background: transparent; pointer-events: none; appearance: none; -webkit-appearance: none; margin: 0; }
.dual-range input[type="range"]::-webkit-slider-runnable-track { height: 5px; background: transparent; }
.dual-range input[type="range"]::-webkit-slider-thumb { appearance: none; -webkit-appearance: none; width: 23px; height: 23px; border-radius: 8px; margin-top: -9px; background: var(--thumb); border: 3px solid var(--panel-solid); box-shadow: 0 1px 5px rgba(0,0,0,.28); pointer-events: auto; cursor: grab; }
.dual-range input[type="range"]::-moz-range-track { height: 5px; background: transparent; }
.dual-range input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 7px; background: var(--thumb); border: 3px solid var(--panel-solid); box-shadow: 0 1px 5px rgba(0,0,0,.28); pointer-events: auto; cursor: grab; }

.legend-heading { margin-top: 4px; }
.text-button { min-height: 30px; border: 0; background: transparent; color: var(--accent); font-size: 12px; font-weight: 800; cursor: pointer; }
.legend { margin-top: 4px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 5px; }
.legend-item { min-width: 0; min-height: 35px; border: 1px solid var(--line); background: color-mix(in srgb, var(--panel-solid) 80%, transparent); border-radius: 10px; display: flex; align-items: center; justify-content: center; gap: 5px; padding: 5px 4px; font-weight: 800; font-size: 10px; cursor: pointer; opacity: 1; transition: opacity 120ms ease, transform 120ms ease; }
.legend-item.off { opacity: .34; }
.legend-item:active { transform: scale(.96); }
.legend-dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; box-shadow: 0 0 0 1px rgba(0,0,0,.14); }

.tree-marker { width: 29px; height: 29px; border-radius: 50% 50% 50% 10px; transform: rotate(-45deg); border: 2px solid rgba(255,255,255,.9); box-shadow: 0 3px 10px rgba(0,0,0,.28); display: grid; place-items: center; }
.tree-marker span { transform: rotate(45deg); color: white; font-size: 9px; font-weight: 900; line-height: 1; text-shadow: 0 1px 2px rgba(0,0,0,.5); }
.user-marker { width: 20px; height: 20px; border: 4px solid white; background: #2484ff; border-radius: 50%; box-shadow: 0 0 0 2px rgba(36,132,255,.35), 0 2px 9px rgba(0,0,0,.3); position: relative; }
.user-marker::after { content: ""; position: absolute; inset: -10px; border-radius: 50%; border: 2px solid rgba(36,132,255,.35); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%{ transform: scale(.55); opacity: .9;} 100%{ transform: scale(1.35); opacity: 0;} }

.leaflet-div-icon { background: transparent; border: 0; }
.leaflet-control-zoom { border: 0 !important; box-shadow: var(--shadow) !important; margin-right: calc(10px + var(--safe-right)) !important; margin-bottom: 160px !important; }
.leaflet-control-zoom a { background: var(--panel-solid) !important; color: var(--text) !important; border-color: var(--line) !important; }
.leaflet-popup-content-wrapper, .leaflet-popup-tip { background: var(--popup); color: var(--popup-text); }
.leaflet-popup-content-wrapper { border-radius: 16px; box-shadow: 0 12px 34px rgba(0,0,0,.28); }
.leaflet-popup-content { margin: 13px 14px; min-width: 205px; max-width: 265px; }
.leaflet-tooltip { background: var(--popup); color: var(--popup-text); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 8px 24px rgba(0,0,0,.22); padding: 0; }
.leaflet-tooltip-top::before { border-top-color: var(--popup); }

.tree-card { font-size: 12px; line-height: 1.32; }
.tree-card-head { display: flex; gap: 8px; align-items: flex-start; }
.rank-chip { flex: 0 0 auto; min-width: 30px; height: 25px; padding: 0 6px; border-radius: 9px; display: grid; place-items: center; color: #fff; font-size: 10px; font-weight: 900; }
.tree-name { font-size: 13px; font-weight: 850; line-height: 1.17; }
.tree-species { margin-top: 2px; color: var(--muted); font-size: 10px; font-style: italic; }
.tree-location { margin-top: 8px; color: var(--muted); font-size: 10px; }
.tree-stats { margin-top: 9px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.tree-stat { border: 1px solid var(--line); border-radius: 9px; padding: 6px 4px; text-align: center; background: color-mix(in srgb, var(--panel-solid) 82%, transparent); }
.tree-stat b { display: block; font-size: 12px; }
.tree-stat span { display: block; margin-top: 1px; color: var(--muted); font-size: 8px; text-transform: uppercase; letter-spacing: .04em; }
.directions { margin-top: 9px; display: flex; gap: 8px; }
.direction-link { width: 40px; height: 36px; border-radius: 10px; border: 1px solid var(--line); display: grid; place-items: center; background: var(--panel-solid); text-decoration: none; }
.direction-link img { width: 20px; height: 20px; }

.toast { position: fixed; z-index: 1100; left: 50%; top: calc(82px + var(--safe-top)); transform: translate(-50%, -12px); padding: 9px 13px; max-width: min(90vw, 430px); background: #151c18; color: #fff; border-radius: 999px; box-shadow: 0 8px 26px rgba(0,0,0,.27); font-size: 12px; font-weight: 700; opacity: 0; pointer-events: none; transition: opacity 160ms ease, transform 160ms ease; }
.toast.show { opacity: .94; transform: translate(-50%, 0); }

@media (min-width: 720px) {
  .topbar { right: auto; width: 420px; top: 16px; left: 16px; }
  .controls { width: 420px; left: 16px; right: auto; bottom: 16px; }
  .leaflet-control-zoom { margin-bottom: 16px !important; margin-right: 16px !important; }
  .legend-item { min-height: 38px; font-size: 11px; }
}

@media (max-height: 610px) and (max-width: 719px) {
  .legend { grid-template-columns: repeat(10, minmax(0, 1fr)); }
  .legend-item { min-height: 30px; font-size: 0; }
  .legend-dot { width: 11px; height: 11px; }
  .controls-body { padding-bottom: 9px; }
  .range-section { margin-top: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}