.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; }

/* Theme picker: icon trigger + system/light/dark menu. The trigger shows
   the icon of the saved preference (data-preference, set by the theme
   controller); the system icon carries a sun/moon sub-icon for the current
   OS scheme (data-os). */
.topbar__theme {
  position: relative;
  display: inline-flex;
}

.topbar__theme .topbar__theme-icon { display: none; place-items: center; }
.topbar__theme[data-preference="system"] [data-icon="system"],
.topbar__theme[data-preference="light"] [data-icon="light"],
.topbar__theme[data-preference="dark"] [data-icon="dark"] { display: grid; }

/* The system icon's sub-icon tracks the OS scheme itself (not the applied
   palette), so plain media queries handle it — works before JS connects. */
.topbar__theme .theme-sub--moon { display: none; }
@media (prefers-color-scheme: dark) {
  .topbar__theme .theme-sub--sun { display: none; }
  .topbar__theme .theme-sub--moon { display: inline; }
}

.topbar__theme-menu[hidden] { display: none; }
.topbar__theme-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 95;
  display: grid;
  gap: 2px;
  min-width: 8.5rem;
  padding: 6px;
  background: var(--color-white);
  border: 1px solid var(--color-fog);
  border-radius: var(--border-radius-base);
  box-shadow: var(--box-shadow-lift);
}

.topbar__theme-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.55rem;
  border: 0;
  border-radius: var(--border-radius-sm);
  background: transparent;
  font-size: 0.78rem;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: background var(--transition-quick), color var(--transition-quick);
}

.topbar__theme-item svg { width: 14px; height: 14px; flex: none; }
.topbar__theme-item:hover { background: var(--color-bone); color: var(--color-ink); }
.topbar__theme-item[aria-checked="true"] { background: var(--color-ink); color: var(--color-white); }

.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;
}

/* Profile menu: an avatar trigger opening an identity + navigation popover.
   Replaces the standalone recurring icon and sign-out button. */
.topbar__profile {
  position: relative;
  display: inline-flex;
}

.topbar__avatar {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-cream);
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform var(--transition-quick), box-shadow var(--transition-quick);
}

.topbar__avatar:hover { transform: translateY(-1px); }
.topbar__avatar[aria-expanded="true"] {
  box-shadow: 0 0 0 2px var(--color-bone), 0 0 0 4px var(--color-ink);
}

.topbar__profile-menu[hidden] { display: none; }
.topbar__profile-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 95;
  width: 14rem;
  padding: 6px;
  background: var(--color-white);
  border: 1px solid var(--color-fog);
  border-radius: var(--border-radius-base);
  box-shadow: var(--box-shadow-lift);
}

.pp-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.5rem 0.65rem;
}

.pp-avatar {
  width: 2.1rem;
  height: 2.1rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-ink);
  color: var(--color-cream);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
}

.pp-id { min-width: 0; }
.pp-name {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-ink);
  letter-spacing: -0.01em;
}
.pp-email {
  font-size: 0.72rem;
  color: var(--color-graphite);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pp-sep {
  height: 1px;
  background: var(--color-mist);
  margin: 4px 2px;
}

.pp-item-form { margin: 0; display: block; }

.pp-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.55rem;
  border: 0;
  border-radius: var(--border-radius-sm);
  background: transparent;
  font-size: 0.8125rem;
  color: var(--color-ink-soft);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-quick), color var(--transition-quick);
}

.pp-item svg { width: 14px; height: 14px; flex: none; color: var(--color-graphite); }
.pp-item:hover { background: var(--color-bone); color: var(--color-ink); }
.pp-item:hover svg { color: var(--color-ink); }
.pp-item.pp-muted { color: var(--color-graphite); }
.pp-item.pp-muted:hover { color: var(--color-ink); }

@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;
  }
}