:root {
  --color-primary:      #2d8cd5;  /* main brand green */
  --color-primary-dark: #2d8cd5;  /* darker green (active badge) */
  --color-highlight:    #e7c726;  /* red for selected marker */
  --color-white:        #fff; 
  --color-bg:           #fff;     /* sidebar / button background */
  --color-text:         #333;     /* body text */
  --color-border:       #eee;     /* list dividers */
  --color-list-hover:   #f0f4f7;  /* list row hover */
  --color-list-active:  #f0f4f7;   /* list row active */
  --color-toggle-hover: #f5f5f5;  /* toggle button hover */
}

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

.uk-section {
  height: 100dvh !important;
  overflow: hidden;
}

#map { position: absolute; inset: 0; }

.sidebar {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 380px;
  background: var(--color-bg);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 12px rgba(0,0,0,.15);
  transform: translateX(0);
  transition: transform .3s ease;
}
.sidebar.collapsed { transform: translateX(-380px); }

.sidebar-header {
  padding: 16px 20px 10px;
  background: var(--color-primary);
  color: var(--color-bg);
  flex-shrink: 0;
}
.sidebar-header h1 { color: var(--color-white); font-size: 16px; font-weight: 600; line-height: 1.3; }
.sidebar-header p  { font-size: 12px; opacity: .8; margin-top: 4px; }

.sidebar-list { flex: 1; overflow-y: auto; list-style: none; }
.sidebar-list li { border-bottom: 1px solid var(--color-border); }
.sidebar-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 14px;
  transition: background .15s;
}
.sidebar-list a:hover  { color: var(--color-primary); background: var(--color-list-hover); }
.sidebar-list a:visited:hover { color: var(--color-primary); }
.sidebar-list a.active { background: var(--color-list-active); color: var(--color-primary); }
.sidebar-list a.active .station-nr { background: var(--color-primary-dark); }

.station-nr {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-bg);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-toggle {
  position: absolute;
  top: 10px; left: 400px;
  padding-bottom: 4px;
  z-index: 1001;
  width: 40px; height: 40px;
  border: none;
  border-radius: 4px;
  background: var(--color-bg);
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: left .3s ease;
  font-size: 20px;
  color: var(--color-text);
}
.sidebar-toggle:hover { background: var(--color-toggle-hover); }
.sidebar.collapsed ~ .sidebar-toggle { left: 20px; }

.station-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-bg);
  font-size: 11px;
  font-weight: 700;
  border: 2px solid var(--color-bg);
  box-shadow: 0 2px 6px rgba(0,0,0,.35);
  line-height: 1;
}
.station-marker.highlight {
  background: var(--color-highlight);
  transform: scale(1.3);
  transition: transform .2s ease;
}

.leaflet-popup-content { font-family: inherit; font-size: 14px; line-height: 1.4; min-width: 160px; }
.popup-title { color: var(--color-primary); }
.popup-link  { display: block; margin-top: 6px; color: var(--color-primary); font-size: 13px; }

@media (max-width: 600px) {
  .sidebar { width: 280px; }
  .sidebar.collapsed { transform: translateX(-280px); }
  .sidebar-toggle { left: 290px; }
  .sidebar.collapsed ~ .sidebar-toggle { left: 10px; }
}