.app-pdf,
.app-folder,
.app-notes,
.app-mail {
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.app-pdf,
.app-folder,
.app-notes,
.app-mail {
  display: flex;
  flex-direction: column;
  gap: 0.34rem;
}

.app-menubar {
  min-height: 1.52rem;
  display: flex;
  align-items: center;
  gap: 0.52rem;
  padding: 0 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.34rem;
  background: #1e262e;
  color: #e5f2ff;
  font-size: 0.64rem;
}

.pdf-toolbar,
.explorer-commandbar,
.notes-toolbar,
.mail-toolbar {
  min-height: 1.7rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
  padding: 0 0.46rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.34rem;
  background: #1e262e;
  color: #d7e8ff;
  font-size: 0.66rem;
}

.cmd-pill,
.mail-tool {
  min-height: 1.36rem;
  padding: 0.12rem 0.42rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.3rem;
  background: #29343f;
  color: #e5f2ff;
}