.app-body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.app-body > main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

/* Auth bodies (no topbar) — allow natural scrolling so forms stay reachable on short phones */
.auth-body {
  height: auto;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.auth-body > main {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 0 !important;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 3.5rem;
  padding: 0 1.75rem;
  border-bottom: 1px solid var(--color-bone-deep);
  background: var(--color-bone);
  position: sticky;
  top: 0;
  z-index: 10;
  flex-shrink: 0;
}

.topbar__spacer { flex: 1; }

.topbar__brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.topbar__mark {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--color-ink);
}

.topbar__mark-glyph {
  width: 1.75rem;
  height: 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ink);
  color: var(--color-cream);
  border-radius: 50%;
  font-family: var(--font-display);
  font-variation-settings: "opsz" 48, "SOFT" 80, "WONK" 1;
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.topbar__mark-name {
  font-family: var(--font-display);
  font-variation-settings: "opsz" 24, "SOFT" 50, "WONK" 0;
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.topbar__divider {
  width: 1px;
  height: 1.25rem;
  background: var(--color-mist);
}

.topbar__eyebrow {
  color: var(--color-graphite);
}

.topbar__nav {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--color-cream);
  border: 1px solid var(--color-bone-deep);
  border-radius: var(--border-radius-pill);
  padding: 0.25rem;
  box-shadow: var(--box-shadow-thin);
}

.topbar__link {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1rem;
  border-radius: var(--border-radius-pill);
  color: var(--color-graphite);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.005em;
  transition: all var(--transition-base);
  position: relative;
}

.topbar__link:hover {
  color: var(--color-ink);
  background: var(--color-bone);
}

.topbar__link--active {
  background: var(--color-ink);
  color: var(--color-cream);
  box-shadow: 0 1px 2px rgba(0,0,0,0.18);
}

.topbar__link--active:hover {
  background: var(--color-ink-soft);
  color: var(--color-cream);
}

.topbar__meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.topbar__iconbtn {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--color-graphite);
  cursor: pointer;
  transition: background var(--transition-quick), color var(--transition-quick);
}

.topbar__iconbtn:hover {
  background: var(--color-cream-soft);
  color: var(--color-ink);
}

.topbar__iconbtn svg { width: 15px; height: 15px; }

.topbar__iconbtn-form { margin: 0; display: flex; }

.topbar__date {
  font-size: 0.75rem;
  color: var(--color-graphite);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.topbar__clock {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-graphite);
  font-variant-numeric: tabular-nums;
}

.topbar__signout {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.875rem;
  background: transparent;
  border: 1px solid var(--color-mist);
  border-radius: var(--border-radius-pill);
  color: var(--color-graphite);
  font-size: 0.8125rem;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
}

.topbar__signout:hover {
  background: var(--color-ink);
  color: var(--color-cream);
  border-color: var(--color-ink);
}

.topbar__signout span[aria-hidden] {
  font-size: 0.875rem;
  line-height: 1;
}

@media (max-width: 48rem) {
  .topbar {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    row-gap: 0.625rem;
    padding: 0.625rem 1rem;
  }
  .topbar__brand {
    grid-row: 1;
    grid-column: 1;
  }
  .topbar__meta {
    grid-row: 1;
    grid-column: 2;
  }
  .topbar__nav {
    grid-row: 2;
    grid-column: 1 / -1;
    justify-self: stretch;
    justify-content: center;
  }
  .topbar__link {
    flex: 1;
    justify-content: center;
  }
  .topbar__date,
  .topbar__signout-label,
  .topbar__divider,
  .topbar__eyebrow {
    display: none;
  }
  .topbar__signout {
    padding: 0.4rem 0.65rem;
  }
}

@media (max-width: 30rem) {
  .topbar {
    padding: 0.5rem 0.875rem;
  }
  .topbar__mark-name {
    font-size: 1rem;
  }
  .topbar__mark-glyph {
    width: 1.5rem;
    height: 1.5rem;
    font-size: 0.95rem;
  }
}