/* Custom Layer Popup UI (image style) */
#layer-popup {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: 9999;
  background: rgba(0,0,0,0.4);
  justify-content: center;
  align-items: center;
  font-family: 'Noto Sans KR', 'Malgun Gothic', Arial, sans-serif;
}
#layer-popup .popup-box {
  background: #fff;
  border-radius: 6px;
  min-width: 380px;
  max-width: 90vw;
  box-shadow: 0 2px 16px rgba(0,0,0,0.15);
  text-align: left;
  position: relative;
  overflow: hidden;
}
#layer-popup .popup-content {
  padding: 2rem 2rem 0.5rem 2rem;
}
#layer-popup .popup-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #444;
}
#layer-popup .popup-message {
  font-size: 1rem;
  color: #222;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}
#layer-popup .popup-actions {
  display: flex;
  border-top: 1px solid #e0e0e0;
  background: #2b3a55;
}
#layer-popup .popup-actions button {
  flex: 1 1 0;
  border: none;
  padding: 1rem 0;
  font-size: 1rem;
  background: none;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
}
#layer-popup .popup-actions .popup-close {
  background: #1a2740;
}
#layer-popup .popup-actions .popup-close:hover {
  background: #0d1524;
}
#layer-popup .popup-actions .popup-day {
  background: #888;
  color: #eee;
}
#layer-popup .popup-actions .popup-day:hover {
  background: #666;
}
#layer-popup .popup-x {
  position: absolute;
  right: 1.2rem;
  top: 1.2rem;
  font-size: 1.3rem;
  color: #888;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
#layer-popup .popup-x:hover {
  color: #222;
}