/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep:    #111214;
  --bg-panel:   #1a1c1f;
  --bg-item:    #1e2023;
  --bg-hover:   #252830;
  --bg-active:  #2a2e36;
  --border:     #2e3138;
  --text-main:  #d4d6da;
  --text-muted: #6b7280;
  --text-head:  #9ca3af;
  --accent:     #4ade80;
  --sidebar-w:  260px;
}

html, body { height: 100%; overflow: hidden; }

body {
  font-family: 'Segoe UI', system-ui, Arial, sans-serif;
  background: var(--bg-deep);
  color: var(--text-main);
  font-size: 13px;
  line-height: 1.4;
}

/* ── Layout ───────────────────────────────────────────────────────────────── */
#app {
  display: flex;
  height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  overflow: hidden;
  z-index: 100;
}

/* header */
#sidebar-header {
  padding: 16px 14px 14px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── Map switcher dropdown ─────────────────────────────────────────────────── */
#map-switcher {
  position: relative;
}

#map-title {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  user-select: none;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 3px;
  color: #fff;
  text-transform: uppercase;
  transition: color 0.1s;
}

#map-title:hover { color: var(--accent); }

#map-arrow {
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0;
  margin-top: 1px;
  transition: transform 0.15s ease;
}


#map-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: -14px;
  right: -14px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.55);
  z-index: 500;
  overflow: hidden;
}

#map-dropdown.open { display: block; }

.map-dropdown-item {
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}

.map-dropdown-item:hover { background: var(--bg-hover); color: var(--text-main); }
.map-dropdown-item.active { color: var(--accent); }
.map-dropdown-item + .map-dropdown-item { border-top: 1px solid var(--border); }

#map-subtitle {
  margin-top: 3px;
  font-size: 10px;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* scrollable layer list */
#layer-panel {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding-bottom: 8px;
}

#layer-panel::-webkit-scrollbar { width: 4px; }
#layer-panel::-webkit-scrollbar-track { background: transparent; }
#layer-panel::-webkit-scrollbar-thumb { background: #3a3d45; border-radius: 2px; }

#layer-loading {
  padding: 20px 14px;
  color: var(--text-muted);
  font-size: 12px;
}

/* footer */
#sidebar-footer {
  flex-shrink: 0;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}

#world-info {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* ── Layer groups ─────────────────────────────────────────────────────────── */
.layer-group {
  border-bottom: 1px solid var(--border);
}

.group-header {
  display: flex;
  align-items: center;
  padding: 9px 14px;
  cursor: pointer;
  user-select: none;
  color: var(--text-head);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  transition: background 0.1s;
  gap: 6px;
}

.group-header:hover { background: var(--bg-hover); }

.group-arrow {
  display: inline-block;
  font-size: 8px;
  transition: transform 0.15s ease;
  color: var(--text-muted);
  margin-right: 2px;
}

.group-header.collapsed .group-arrow { transform: rotate(-90deg); }

.group-name { flex: 1; }

.group-toggle {
  flex-shrink: 0;
  width: 13px;
  height: 13px;
  cursor: pointer;
  accent-color: var(--accent);
  margin-left: auto;
}

.group-items { padding: 2px 0 4px 0; }

/* ── Individual layer rows ────────────────────────────────────────────────── */
.layer-item {
  display: flex;
  align-items: center;
  padding: 5px 12px 5px 26px;
  cursor: pointer;
  color: var(--text-muted);
  transition: background 0.1s, color 0.1s;
  gap: 8px;
}

.layer-item:hover { background: var(--bg-hover); color: var(--text-main); }

.layer-item.active { color: var(--text-main); }

.swatch {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.15);
  opacity: 0.85;
}

.layer-name {
  flex: 1;
  font-size: 12px;
}

.layer-tick {
  width: 14px;
  height: 14px;
  border: 1px solid #3a3d45;
  border-radius: 3px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 9px;
  transition: background 0.1s, border-color 0.1s;
}

.layer-item.active .layer-tick {
  background: var(--accent);
  border-color: var(--accent);
  color: #111;
  font-size: 10px;
  line-height: 14px;
  text-align: center;
}

/* ── Map container ────────────────────────────────────────────────────────── */
#map-container {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#map {
  width: 100%;
  height: 100%;
  background: #0d0f12;
}

/* ── Coordinate bar ───────────────────────────────────────────────────────── */
#coords-bar {
  position: absolute;
  bottom: 16px;
  right: 12px;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(4px);
  color: #c8cdd6;
  padding: 5px 12px;
  border-radius: 5px;
  font-size: 11px;
  font-family: 'Consolas', 'Courier New', monospace;
  letter-spacing: 0.5px;
  pointer-events: none;
  z-index: 1000;
  border: 1px solid var(--border);
  display: flex;
  gap: 6px;
  align-items: center;
}

.coord-label { color: var(--text-muted); font-size: 10px; text-transform: uppercase; }
.coord-sep   { color: var(--border); }

/* ── Clipboard toast ──────────────────────────────────────────────────────── */
#copy-toast {
  position: absolute;
  bottom: 52px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 12, 16, 0.92);
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 14px;
  font-size: 11px;
  font-family: 'Consolas', 'Courier New', monospace;
  white-space: nowrap;
  pointer-events: none;
  z-index: 2000;
  opacity: 0;
  transition: opacity 0.12s ease;
}
#copy-toast.visible { opacity: 1; }

/* ── Coordinate rulers ────────────────────────────────────────────────────── */
#ruler-x {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 24px;
  pointer-events: none;
  z-index: 510;
  display: block;
}

#ruler-z {
  position: absolute;
  top: 0; left: 0;
  width: 24px; bottom: 0;
  pointer-events: none;
  z-index: 510;
  display: block;
}

#ruler-corner {
  position: absolute;
  top: 0; left: 0;
  width: 24px; height: 24px;
  background: rgba(10,12,16,0.88);
  border-right: 1px solid #2e3138;
  border-bottom: 1px solid #2e3138;
  z-index: 511;
  pointer-events: none;
}

/* ── Right-click coordinate popup ─────────────────────────────────────────── */
#coord-popup {
  position: absolute;
  background: rgba(10,12,16,0.96);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 10px 14px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 12px;
  color: var(--text-main);
  display: none;
  z-index: 2100;
  min-width: 190px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.6);
  pointer-events: all;
}

#coord-popup .popup-label {
  color: var(--text-muted);
  font-size: 9px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 5px;
}

#coord-popup .popup-coords {
  font-size: 14px;
  margin-bottom: 9px;
  letter-spacing: 0.5px;
}

#coord-popup .popup-coords span { color: var(--accent); }

#coord-popup button {
  width: 100%;
  background: var(--bg-active);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-muted);
  font-size: 11px;
  font-family: 'Consolas', 'Courier New', monospace;
  padding: 5px 0;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: color 0.1s, background 0.1s;
}

#coord-popup button:hover {
  background: var(--bg-hover);
  color: var(--accent);
}

/* ── Leaflet overrides ────────────────────────────────────────────────────── */
.leaflet-container { font-family: inherit; }

.leaflet-control-zoom {
  border: 1px solid var(--border) !important;
  border-radius: 5px !important;
  overflow: hidden;
}

.leaflet-control-zoom a {
  background: var(--bg-panel) !important;
  color: var(--text-main) !important;
  border-bottom: 1px solid var(--border) !important;
  width: 28px !important;
  height: 28px !important;
  line-height: 28px !important;
  font-size: 16px !important;
}

.leaflet-control-zoom a:hover { background: var(--bg-hover) !important; }
.leaflet-control-zoom-out     { border-bottom: none !important; }

/* tooltip */
.leaflet-tooltip.map-tooltip {
  background: rgba(10,12,16,0.9);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-main);
  font-size: 11px;
  padding: 4px 8px;
  box-shadow: none;
}