/* Frozen overlay - blocks all interactions during data loading */
.frozen-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 9999;
  display: none;
  cursor: wait;
}

.frozen-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.frozen-overlay-content {
  position: relative;
  background: white;
  width: 400px;
  min-height: 200px;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.frozen-overlay-content .spinner-border {
  width: 3rem;
  height: 3rem;
  margin-bottom: 15px;
}

.frozen-overlay-content p {
  margin: 0;
  font-size: 1.1rem;
  color: #333;
}

.frozen-overlay-station {
  font-size: 1.3rem;
  font-weight: bold;
  color: #007bff;
  margin-bottom: 10px;
}

.frozen-overlay-close {
  position: absolute;
  top: 10px;
  right: 15px;
  border: none;
  background: none;
  font-size: 1.5rem;
  color: #666;
  cursor: pointer;
  line-height: 1;
}

.frozen-overlay-close:hover {
  color: #000;
}

/* Disable pointer events on sidebar when frozen */
body.ui-frozen .bslib-sidebar-layout > .sidebar {
  pointer-events: none;
  opacity: 0.6;
}

body.ui-frozen .navbar {
  pointer-events: none;
  opacity: 0.6;
}

/* Increase font size for main menu items */
.navbar-nav .nav-link {
  font-size: 1.1rem;
}