/* ----- Splitter ----- */
.sterling-splitter {
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  outline: none;
  overflow: hidden;
  display: grid;
}

.sterling-splitter.horizontal {
  grid-template-columns: 1fr;
  grid-template-rows: minmax(var(--min-primary-size, 0), var(--primary-size)) auto minmax(var(--min-secondary-size, 0), 1fr);
  grid-template-areas: "primary" "split" "secondary";
}

.sterling-splitter.vertical {
  grid-template-columns: minmax(var(--min-primary-size, 0), var(--primary-size)) auto minmax(var(--min-secondary-size, 0), 1fr);
  grid-template-rows: 1fr;
  grid-template-areas: "primary split secondary";
}

/* ----- Panes ----- */

.sterling-splitter > .primary,
.sterling-splitter > .split,
.sterling-splitter > .secondary {
  box-sizing: border-box;
  outline: none;
  overflow: hidden;
}

/* ----- Primary ----- */

.sterling-splitter > .primary {
  grid-area: primary;
}

.sterling-splitter.horizontal > .primary {
  width: 100%;
}

.sterling-splitter.vertical > .primary {
  height: 100%;
}

/* ----- Split ----- */

.sterling-splitter > .split {
  display: flex;
  grid-area: split;
  height: 100%;
  width: 100%;
  box-sizing: border-box;
  outline: none;
  overflow: hidden;
  user-select: none;
  transition: background-color 300ms;
}

.sterling-splitter.horizontal > .split {
  cursor: row-resize;
  width: 100%;
}

.sterling-splitter.vertical > .split {
  flex-direction: column;
  cursor: col-resize;
  height: 100%;
}

/* ----- Secondary ----- */

.sterling-splitter > .secondary {
  grid-area: secondary;
}

.sterling-splitter.horizontal > .secondary {
  width: 100%;
}

.sterling-splitter.vertical > .secondary {
  height: 100%;
}

/* ----- Default Split ----- */

.sterling-splitter > .split > .default-split-line {
  box-sizing: border-box;
  outline: none;
  user-select: none;
  border: none;
  background-color: var(--stsv-button__border-color);

  transition: background-color 300ms;
}

.sterling-splitter.horizontal > .split > .default-split-line {
  width: 100%;
  height: 1px;
  margin: 2px 0;
  align-self: center;
}

.sterling-splitter.vertical > .split > .default-split-line {
  width: 1px;
  height: 100%;
  margin: 0 2px;
  align-self: center;
}

.sterling-splitter > .split:hover > .default-split-line {
  background-color: var(--stsv-button__border-color--hover);
}

.sterling-splitter.horizontal > .split:hover > .default-split-line {
  height: 3px;
  margin: 1px 0;
}

.sterling-splitter.vertical > .split:hover > .default-split-line {
  width: 3px;
  margin: 0 1px;
}