/* App shell */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--color-bg);
  padding-top: env(safe-area-inset-top);
}

/* Desktop centring per Design System 7.3: centre the mobile shell, do not stretch */
@media (min-width: 480px) {
  .app-shell {
    max-width: 480px;
    margin: 0 auto;
  }
}

/* Content area */
.app-shell__content {
  flex: 1;
  width: 100%;
  padding-left: var(--screen-padding);
  padding-right: var(--screen-padding);
  /* Match the floating bottom nav's true footprint (its height + the gap
     beneath it + the safe-area inset) plus a breathing gap, so content is
     never hidden under it. */
  padding-bottom: calc(var(--bottom-nav-height) + var(--bottom-nav-gap) + var(--space-4));
}

/* Generic calm placeholder used by routes without a screen implementation yet */
.placeholder-screen {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-3);
  color: var(--color-text-secondary);
}

.placeholder-screen h1 {
  color: var(--color-text);
}

/* Minimal Settings account/sign-out block (Sprint 1B Step 2) — kept
   deliberately plain since Settings itself is not otherwise implemented. */
.placeholder-screen__account {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  padding: var(--space-2);
  background-color: var(--color-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.placeholder-screen__account-name {
  color: var(--color-text);
  font-weight: 600;
  margin: 0;
}

.placeholder-screen__account-email {
  color: var(--color-text-muted);
  font-size: 14px;
  margin: 0;
}

.placeholder-screen__account [data-sign-out] {
  margin-top: var(--space-1);
}