.desktop {
  --rail-width: 64px;
  --nav-width: 240px;

  display: grid;
  grid-template-columns: var(--rail-width) var(--nav-width) minmax(260px, 1fr) 6px clamp(320px, var(--files-width, 36%), calc(100% - var(--rail-width) - var(--nav-width) - 266px));
  grid-template-rows: auto minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
}

.desktop > header {
  grid-column: 1 / -1;
  border-bottom: 1px solid var(--line);
}

.rail,
.navigation,
.center,
.files,
.mobileContent {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.rail {
  overflow-y: auto;
  background: var(--bg);
}

.navigation {
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: var(--bg);
}

@media (width >= 900px) {
  .navigation {
    padding-bottom: 80px;
  }
}

.files {
  border-left: 1px solid var(--line);
}

.resize {
  background: var(--line);
  cursor: col-resize;
  touch-action: none;
}

.resize:hover,
.resize:focus-visible {
  background: var(--busy);
}

.mobile {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  padding-inline: env(safe-area-inset-left) env(safe-area-inset-right);
}

.mobile .navigation {
  max-height: 30dvh;
  flex-shrink: 0;
  border-right: 0;
}

.mobileContent {
  flex: 1;
  overflow: hidden;
}

.tabs {
  display: flex;
  flex-shrink: 0;
  border-bottom: 1px solid var(--line);
}

.tabs button {
  flex: 1;
  min-height: 44px;
  border: 0;
  background: var(--surface);
  color: var(--text-dim);
  font: inherit;
  cursor: pointer;
}

.tabs button[aria-pressed="true"] {
  border-bottom: 2px solid var(--accent);
  color: var(--text);
}

.pendingCatalog {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 12px;
}

.drop {
  position: fixed;
  inset: var(--space-4);
  z-index: 40;
  display: grid;
  place-items: center;
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--scrim);
  color: var(--on-accent);
  font-size: 18px;
  pointer-events: none;
}

.error {
  position: fixed;
  top: var(--bar-h);
  left: var(--space-4);
  right: var(--space-4);
  z-index: 20;
  padding: var(--space-3);
  background: var(--surface);
  color: var(--danger);
  border: 1px solid var(--danger);
}

@media (width >= 900px) and (width <= 1100px) {
  .desktop {
    --nav-width: 220px;
  }
}