.rooms-bar {
  position: sticky;
  bottom: 0;
  width: 100%;
  background: #f3f4f6;           /* Helles Grau */
  color: #1e293b;                /* Sehr dunkles Blau */
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 12px;
  box-shadow: 0 -6px 12px rgba(0,0,0,0.08);
  z-index: 20;
}

.rooms-bar .room-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #cbd5e1;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  color: #1e293b;
  transition: background 0.2s, color 0.2s;
}

.rooms-bar .room-chip:hover {
  background: #e0e7ef;
  color: #0f172a;
}

.rooms-bar .room-chip .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.rooms-bar .room-chip .status-free  { background: #22c55e; }
.rooms-bar .room-chip .status-busy  { background: #ef4444; }

.room-details {
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 12px 14px;
  margin: 12px 0;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  color: #1e293b;
}
.room-details h2 { margin: 0 0 8px; font-size: 18px; }
.room-details p  { margin: 4px 0;   font-size: 14px; }


.rooms-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 12px;
  margin: 8px 0 12px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #ffffff;
}
.rooms-group-title {
  width: 100%;
  font-weight: 600;
  font-size: 13px;
  color: #0f172a;
  margin-bottom: 4px;
  letter-spacing: .2px;
}
/* optionale Farbcodierung je Gruppe */
.rooms-group--A  { border-left: 4px solid #2563eb; }
.rooms-group--B  { border-left: 4px solid #16a34a; }
.rooms-group--C  { border-left: 4px solid #f59e0b; }
.rooms-group--KS52 { border-left: 4px solid #db2777; }