.tatc-pane-open #root {
  width: calc(100% - var(--tatc-pane-width, 650px)) !important;
}
#tatc-study-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  gap: 7px;
  height: 36px;
  margin-left: 8px;
  padding: 0 11px;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--presentation);
  color: inherit;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
#tatc-study-toggle:hover,
#tatc-study-toggle[aria-expanded="true"] {
  background: var(--surface-hover);
}
#tatc-study-toggle:focus-visible,
.tatc-pane-header button:focus-visible {
  outline: 2px solid #8bbcc2;
  outline-offset: 2px;
}
#tatc-study-pane[hidden] {
  display: none;
}
.tatc-study-empty {
  margin: auto;
  max-width: 320px;
  padding: 32px;
  text-align: center;
  color: #a3a7ae;
  font-size: 13px;
  line-height: 1.6;
}
.tatc-study-empty h2 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 500;
  color: #e8e9eb;
}
.tatc-study-empty p {
  margin: 0;
}
#tatc-study-pane {
  box-sizing: border-box;
  position: fixed;
  inset: 0 0 0 auto;
  width: var(--tatc-pane-width, 650px);
  z-index: 60;
  display: flex;
  flex-direction: column;
  background: #25272a;
  color: #e8e9eb;
  border-left: 1px solid #ffffff1a;
  font:
    12px Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
.tatc-pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  padding: 6px 10px 6px 16px;
  gap: 16px;
  color: #a3a7ae;
}
.tatc-pane-title {
  color: #e8e9eb;
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.tatc-pane-header button {
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 20px;
  line-height: 28px;
  cursor: pointer;
  border-radius: 4px;
  width: 32px;
}
.tatc-pane-header button:hover {
  background: #ffffff0c;
  color: white;
}
#tatc-study-frame {
  flex: 1;
  min-height: 0;
  width: 100%;
  border: 0;
  display: block;
}
.tatc-pane-resize {
  position: absolute;
  inset: 0 auto 0 -4px;
  width: 8px;
  cursor: col-resize;
  touch-action: none;
  z-index: 1;
}
.tatc-pane-resize:focus-visible {
  outline: 2px solid #8bbcc2;
  outline-offset: -2px;
}
#tatc-study-pane.resizing iframe {
  pointer-events: none;
}
@media (max-width: 800px) {
  .tatc-pane-open #root {
    width: 100% !important;
  }
  #tatc-study-pane {
    width: 100%;
  }
  .tatc-pane-resize {
    display: none;
  }
  .tatc-pane-header {
    padding-left: 16px;
  }
}