:root{
    --window-height: 500px; /* Default = 500px;  Set the minimum height for the window in BB Ultra to reduce scrollbar from appearing */
    --window-width: 1200px; /* Default = 1200px; Set the maximum width for the window in BB */
    --window-bgcolor: #fcfcfc; /* Default = #FFF; Changes the window background color */
    --navbar-bgcolor: #ebebeb; /* Default = #EBEBEB; Changes the tab background color */
}
body {
  font-family: inherit;
}
.uqbs-tab-body {
  background: var(--window-bgcolor, #FCFCFC);
  padding: 2rem;
  max-width: var(--window-width, 1200px);
  border-radius: 8px;  
  margin: auto;
  min-height: var(--window-height, 500px);
}
.uqbs-tab-container {
  max-width: 1100px;
  margin: auto;
  background: #fff;
  border: 1px solid #CCC;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: min-height 0.3s ease;
}
.uqbs-tab:focus-visible {
  outline: 3px solid #51247A; /* UQ purple */
  outline-offset: 2px;
}
.uqbs-tabs {
  position: relative;
  display: flex;
  border-bottom: 2px solid #eee;
  overflow: hidden;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

.uqbs-tab {
  flex: 1;
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  font-weight: 600;
  color: #444;
  background: transparent;
  border: none;
  transition: background 0.3s ease, color 0.3s ease;
  position: relative;
}

.uqbs-tab[aria-selected="true"] {
  color: #51247A;
  background: var(--navbar-bgcolor, #ebebeb);
}

.uqbs-tab:not([aria-selected="true"]):hover {
  background-color: #F8F8F8;
  box-shadow: inset 0 2px 0 #51247A;
}

.uqbs-tab:focus {
  box-shadow: inset 0 2px 0 #51247A;
  outline: 2px solid #000;
  outline-offset: -5px;
}

.uqbs-tab-indicator {
  position: absolute;
  bottom: 0;
  height: 3px;
  width: 0;
  background-color: #51247A;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.4s ease, width 0s ease 0.4s;
  border-radius: 2px 2px 0 0;
  pointer-events: none;
}

.uqbs-tab-content {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  padding: 1.5rem;
  display: none;
}

.uqbs-tab-content[aria-hidden="false"] {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

.uqbs-placeholder {
  height: 200px;
  background: #eee;
  border-radius: 6px;
  text-align: center;
  line-height: 200px;
  color: #666;
  font-weight: 500;
}