/* ui/drawer.css */

.acms-drawer-root { position: relative; }

.acms-drawer__backdrop {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: var(--z-overlay);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out-quint);
}
.acms-drawer__backdrop.is-visible { opacity: 1; }

.acms-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--drawer-width);
  max-width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--rail-bg);
  color: var(--fg-primary);
  border-left: 1px solid var(--rail-border);
  box-shadow: var(--shadow-3);
  z-index: var(--z-drawer);
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out-quint);
}

.acms-drawer.is-visible { transform: translateX(0); }
.acms-drawer.is-leaving { transform: translateX(100%); }

.acms-drawer__handle {
  display: none;
}

.acms-drawer__header {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  height: 56px;
  padding: 0 var(--space-5);
  background: var(--rail-bg);
  border-bottom: 1px solid var(--rail-border);
  flex-shrink: 0;
}

.acms-drawer__title {
  margin: 0;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

.acms-drawer__close {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--fg-secondary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.acms-drawer__close:hover { background: var(--bg-inset); color: var(--fg-primary); }
.acms-drawer__close:focus-visible { outline: none; box-shadow: var(--focus-ring); }

.acms-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
}

/* Bottom-sheet mode on small screens. */
@media (max-width: 767px) {
  .acms-drawer {
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: auto;
    max-height: 80vh;
    border-left: 0;
    border-top: 1px solid var(--rail-border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(100%);
  }
  .acms-drawer.is-visible { transform: translateY(0); }
  .acms-drawer.is-leaving { transform: translateY(100%); }
  .acms-drawer__handle {
    display: block;
    width: 36px;
    height: 4px;
    margin: var(--space-3) auto var(--space-1);
    background: var(--border-strong);
    border-radius: var(--radius-full);
    touch-action: none;
  }
}