:root {
  --bg: #0f1117;
  --panel-bg: #161922;
  --panel-border: #262b38;
  --text: #e5e7eb;
  --text-dim: #9ca3af;
  --input-bg: #1e222c;
  --input-border: #2d3341;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-text: #0f1117;
  --danger: #ef4444;
  --danger-hover: #f87171;
  --com-color: #ef4444;
  --line-color: #ef4444;
  --antipode-color: #a855f7;
  --tile-url: https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png;
}

body.light-theme {
  --bg: #f3f4f6;
  --panel-bg: #ffffff;
  --panel-border: #e5e7eb;
  --text: #111827;
  --text-dim: #6b7280;
  --input-bg: #f9fafb;
  --input-border: #d1d5db;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-text: #ffffff;
  --danger: #dc2626;
  --danger-hover: #ef4444;
  --com-color: #dc2626;
  --line-color: #dc2626;
  --antipode-color: #7c3aed;
}

* { box-sizing: border-box; font-family: sans-serif; }
html, body { margin: 0; padding: 0; height: 100%; background: var(--bg); }

#app {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
}

#map {
  flex: 1;
  min-height: 0;
  background: var(--bg);
}

#theme-toggle {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1100;
  width: 38px;
  height: 38px;
  font-size: 18px;
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 1px 6px rgba(0,0,0,0.5);
}

#panel {
  flex-shrink: 0;
  background: var(--panel-bg);
  border-top: 1px solid var(--panel-border);
  color: var(--text);
  z-index: 1000;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.3);
  max-height: 40vh;
  display: flex;
  flex-direction: column;
}

#panel-handle {
  width: 40px;
  height: 4px;
  background: var(--panel-border);
  border-radius: 2px;
  margin: 8px auto 4px;
  flex-shrink: 0;
}

#panel-content {
  overflow-y: auto;
  padding: 4px 14px 14px;
}

section { margin-bottom: 14px; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

label {
  display: block;
  font-size: 11px;
  font-weight: bold;
  color: var(--text-dim);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

select, input, button {
  padding: 6px 8px;
  font-size: 13px;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--text);
}

select:focus, input:focus { outline: none; border-color: var(--accent); }

button { cursor: pointer; background: var(--accent); color: var(--accent-text); border: none; font-weight: 600; }
button:hover { background: var(--accent-hover); }

.secondary-btn { background: var(--input-bg); color: var(--text); border: 1px solid var(--input-border); }
.secondary-btn:hover { background: var(--panel-border); }

.small-btn { width: auto; padding: 4px 10px; font-size: 12px; }

#group-row {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}
#group-row select { flex: 2; }
#group-row input { flex: 2; }
#group-row button { flex: 0 0 auto; width: 34px; }

.row { display: flex; gap: 6px; }
.row input, .row button { flex: 1; }

#people-list { list-style: none; padding: 0; margin: 8px 0 0 0; font-size: 13px; }
#people-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 5px 0; border-bottom: 1px solid var(--panel-border);
  color: var(--text);
}
#people-list .person-actions { display: flex; gap: 4px; }
#people-list .person-actions button {
  width: auto; padding: 2px 8px; font-size: 12px;
}
#people-list .edit-btn { background: var(--input-bg); color: var(--text); border: 1px solid var(--input-border); }
#people-list .delete-btn { background: var(--danger); color: #fff; }
#people-list .delete-btn:hover { background: var(--danger-hover); }

.com-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.com-row > div { flex: 1; }
.com-row button { flex: 0 0 auto; }

#com-coords, #antipode-coords {
  font-size: 12px;
  background: var(--input-bg);
  padding: 5px;
  border-radius: 4px;
  color: var(--text);
  border: 1px solid var(--input-border);
}

#nearest-cities-list { font-size: 13px; padding-left: 18px; margin: 6px 0; color: var(--text); }

#pick-hint { font-size: 12px; color: #f59e0b; }

/* ---- modal ---- */
#person-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.55);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

#person-modal {
  background: var(--panel-bg);
  color: var(--text);
  border-radius: 10px;
  padding: 18px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

#person-modal h3 { margin: 0 0 12px 0; font-size: 16px; }
#person-modal input, #person-modal button { width: 100%; margin-bottom: 8px; }

/* ---- pins ---- */
.pin-label {
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: bold;
  box-shadow: 0 1px 4px rgba(0,0,0,0.6);
  border: 2px solid var(--bg);
}

.antipode-label {
  background: var(--antipode-color);
  color: #fff;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: bold;
  box-shadow: 0 1px 4px rgba(0,0,0,0.6);
  border: 2px solid var(--bg);
  opacity: 0.9;
}

/* Leaflet theme tweaks */
.leaflet-container { background: var(--bg); }
.leaflet-popup-content-wrapper, .leaflet-popup-tip {
  background: var(--panel-bg);
  color: var(--text);
}
.leaflet-control-zoom a {
  background: var(--input-bg) !important;
  color: var(--text) !important;
  border-color: var(--input-border) !important;
}
.leaflet-control-zoom a:hover { background: var(--panel-border) !important; }
.leaflet-control-attribution {
  background: rgba(0,0,0,0.35) !important;
  color: var(--text-dim) !important;
}
.leaflet-control-attribution a { color: var(--accent) !important; }

/* ---- Desktop: side-by-side instead of stacked ---- */
@media (min-width: 769px) {
  #app { flex-direction: row; }
  #map { order: 2; }
  #panel {
    order: 1;
    flex-shrink: 0;
    width: 340px;
    max-height: none;
    border-top: none;
    border-right: 1px solid var(--panel-border);
  }
  #panel-handle { display: none; }
  #panel-content { overflow-y: auto; height: 100%; padding: 14px; }
}

.distance-label {
  color: var(--text);
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
  transform: translate(-50%, -50%);
  text-shadow:
    -1px -1px 2px rgba(0,0,0,0.85),
    1px -1px 2px rgba(0,0,0,0.85),
    -1px 1px 2px rgba(0,0,0,0.85),
    1px 1px 2px rgba(0,0,0,0.85);
  pointer-events: none;
}

body.light-theme .distance-label {
  text-shadow:
    -1px -1px 2px rgba(255,255,255,0.9),
    1px -1px 2px rgba(255,255,255,0.9),
    -1px 1px 2px rgba(255,255,255,0.9),
    1px 1px 2px rgba(255,255,255,0.9);
}



/* ---- Mobile: map ~60%, panel ~40%, bottom sheet ---- */
@media (max-width: 768px) {
  #map { flex: 6; }
  #panel { flex: 4; max-height: 45vh; }
}