.ui-offcanvas-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--ui-z-offcanvas);
  background: rgb(0 0 0 / 0.45);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--ui-duration-normal) var(--ui-easing-default),
    visibility 0s var(--ui-duration-normal);
}
.ui-offcanvas-overlay.is-active {
  opacity: 1;
  visibility: visible;
  transition:
    opacity var(--ui-duration-normal) var(--ui-easing-default),
    visibility 0s;
}
.ui-offcanvas {
  position: absolute;
  display: flex;
  flex-direction: column;
  background: var(--ui-color-surface);
  border: var(--ui-border-width) var(--ui-border-style) var(--ui-color-border);
  overflow: hidden;
  transition: transform var(--ui-duration-slow) var(--ui-easing-out);
}
.ui-offcanvas--left,
.ui-offcanvas:not([class*="ui-offcanvas--"]) {
  top: 0;
  bottom: 0;
  left: 0;
  width: 20rem;
  max-width: calc(100vw - 3rem);
  border-left: none;
  transform: translateX(-100%);
}
.ui-offcanvas--right {
  top: 0;
  bottom: 0;
  right: 0;
  width: 20rem;
  max-width: calc(100vw - 3rem);
  border-right: none;
  transform: translateX(100%);
}
.ui-offcanvas--top {
  top: 0;
  left: 0;
  right: 0;
  height: 22rem;
  max-height: calc(100vh - 3rem);
  border-top: none;
  transform: translateY(-100%);
}
.ui-offcanvas--bottom {
  bottom: 0;
  left: 0;
  right: 0;
  height: 22rem;
  max-height: calc(100vh - 3rem);
  border-bottom: none;
  transform: translateY(100%);
}
.ui-offcanvas-overlay.is-active .ui-offcanvas {
  transform: translate(0, 0);
}
.ui-offcanvas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ui-space-4);
  padding: var(--ui-space-4) var(--ui-space-6);
  border-bottom: var(--ui-border-width) var(--ui-border-style) var(--ui-color-border);
  flex-shrink: 0;
}
.ui-offcanvas-header h2,
.ui-offcanvas-header h3 {
  font-size: var(--ui-font-size-l);
  font-weight: var(--ui-font-weight-semibold);
  color: var(--ui-color-text);
  margin: 0;
}
.ui-offcanvas-body {
  padding: var(--ui-space-6);
  overflow-y: auto;
  flex: 1;
}
.ui-offcanvas-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--ui-space-3);
  padding: var(--ui-space-4) var(--ui-space-6);
  border-top: var(--ui-border-width) var(--ui-border-style) var(--ui-color-border);
  flex-shrink: 0;
}