:root {
  --bg: #0f1320;
  --panel: rgba(20, 26, 42, 0.92);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: #eef1fb;
  --text-dim: #9aa3c7;
  --accent: #ff5a5f;
  --accent-2: #4f9dff;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  --radius: 14px;
}

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

[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
}

#map {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: var(--bg);
}

/* Leaflet attribution kept legible against the dark UI */
.leaflet-control-attribution {
  background: rgba(15, 19, 32, 0.75) !important;
  color: var(--text-dim) !important;
}

.leaflet-control-attribution a {
  color: var(--accent-2) !important;
}

.leaflet-bar a {
  background: var(--panel) !important;
  color: var(--text) !important;
  border-bottom-color: var(--panel-border) !important;
}

.leaflet-bar a:hover {
  background: #1f273f !important;
}

/* ---- Centre pin ---- */
.centre-pin {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 600;
  pointer-events: none;
  /* Tip of the pin sits exactly on the map centre */
  transform: translate(-50%, -100%);
}

.centre-pin svg {
  display: block;
  filter: drop-shadow(0 3px 4px rgba(0, 0, 0, 0.5));
}

.pin-body {
  fill: var(--accent);
}

.pin-dot {
  fill: #fff;
}

.pin-shadow {
  position: absolute;
  left: 50%;
  bottom: -3px;
  width: 14px;
  height: 5px;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 50%;
  transform: translateX(-50%);
  filter: blur(1px);
}

/* ---- Shared panel chrome ---- */
.panel {
  position: fixed;
  z-index: 700;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ---- Search ---- */
.search-panel {
  top: max(1rem, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  width: min(440px, calc(100vw - 2rem));
  padding: 0;
  overflow: hidden;
}

#searchForm {
  display: flex;
  align-items: center;
}

#searchInput {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  padding: 0.85rem 1rem;
  outline: none;
}

#searchInput::placeholder {
  color: var(--text-dim);
}

#searchForm button {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
}

#searchForm button:hover {
  color: var(--text);
}

.search-results {
  list-style: none;
  border-top: 1px solid var(--panel-border);
  max-height: min(50vh, 320px);
  overflow-y: auto;
}

.search-results li {
  padding: 0.65rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.search-results li:last-child {
  border-bottom: 0;
}

.search-results li:hover,
.search-results li.active {
  background: rgba(79, 157, 255, 0.16);
}

.result-name {
  font-weight: 600;
}

.result-meta {
  display: block;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 0.1rem;
}

.search-results li.empty {
  cursor: default;
  color: var(--text-dim);
}

.search-results li.empty:hover {
  background: transparent;
}

/* ---- Readout ---- */
.readout {
  bottom: max(1rem, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  width: min(440px, calc(100vw - 2rem));
  padding: 0.9rem 1.1rem;
  text-align: center;
}

.elevation {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.35rem;
}

.elevation-value {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.elevation-value.loading {
  color: var(--text-dim);
}

.elevation-unit {
  font-size: 1.1rem;
  color: var(--text-dim);
  font-weight: 600;
}

.elevation-feet {
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-left: 0.4rem;
}

.coords {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.45rem;
  font-size: 0.9rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.copy-btn {
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text-dim);
  border-radius: 8px;
  padding: 0.15rem 0.5rem;
  font-size: 0.78rem;
  cursor: pointer;
}

.copy-btn:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

/* ---- Locate ---- */
.locate-btn {
  bottom: calc(max(1rem, env(safe-area-inset-bottom)) + 6.5rem);
  right: max(1rem, env(safe-area-inset-right));
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: var(--text);
  cursor: pointer;
}

.locate-btn:hover {
  color: var(--accent-2);
}

.locate-btn.busy {
  opacity: 0.6;
  pointer-events: none;
}

@media (max-width: 480px) {
  .elevation-value {
    font-size: 2rem;
  }
}