body { background-color: #3d4848; margin: 0; overflow: hidden; }
.tour-shell { min-height: 100vh; display: block; color: #f3f4f6; font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.btn-primary { background-color: #ffc700; color: #2d3838; }
.btn-primary:hover { background-color: #e6b300; }
.sidebar-bg { background-color: #2d3838; }
.card-bg { background-color: #4a5858; border-color: #5a6868; }
.input-bg { background-color: #3d4848; border-color: #5a6868; }
.input-bg:focus { border-color: #ffc700; outline: none; }
.nav-link.active { background-color: #ffc700; color: #2d3838; }
.nav-link.active svg { stroke: #2d3838; }

/* Demo tweaks */
.tour-main { width: 100%; height: 100vh; }
.tour-main-full { width: 100%; }
.tour-main-tight { height: 100vh; }
.tour-scale {
  transform: scale(0.78);
  transform-origin: top left;
  width: calc(100% / 0.78);
  height: calc(100% / 0.78);
}
.tour-scale-large {
  transform: scale(0.84);
  width: calc(100% / 0.84);
  height: calc(100% / 0.84);
}
.tour-scroll { height: 100%; overflow: auto; }
.tour-scroll::-webkit-scrollbar { width: 8px; height: 8px; }
.tour-scroll::-webkit-scrollbar-track { background: #3d4848; }
.tour-scroll::-webkit-scrollbar-thumb { background: #5a6868; border-radius: 4px; }
.tour-scroll::-webkit-scrollbar-thumb:hover { background: #6a7878; }