.app-shell {
  min-height: 100vh;
  min-height: 100dvh;
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  padding:
    env(safe-area-inset-top, 0px)
    14px
    env(safe-area-inset-bottom, 0px);
}

.topbar {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-md);
  padding: 14px 6px 10px;
}

.topbar.practice-mode {
  min-height: 60px;
  padding: 12px 6px 8px;
}

.app-main {
  min-height: 0;
  overflow: hidden;
  padding-bottom: 10px;
  position: relative;
}

.bottom-nav {
  position: sticky;
  bottom: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 0 0 12px;
  background: var(--bg);
}

.bottom-nav.hidden {
  display: none;
}

.view-scroll {
  overflow-y: auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
  padding-bottom: 10px;
}

.view-scroll--practice-home {
  padding-top: 2px;
}

.view-practice {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 8px;
  overflow: hidden;
}

.practice-stage {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  align-content: center;
  gap: 8px;
  min-height: 0;
  overflow: hidden;
}

.practice-answers-wrap {
  min-height: 0;
}

@media (max-height: 760px) {
  .topbar {
    min-height: 60px;
    padding-top: 8px;
  }

  .topbar.practice-mode {
    min-height: 54px;
  }

  .bottom-nav {
    padding-top: 8px;
  }
}