.site-frame {
  min-height: 100vh;
}

.app-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  width: 100%;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  overflow-x: clip;
  padding: var(--space-3) max(var(--space-4), calc((100vw - 920px) / 2));
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header-actions form {
  margin: 0;
}

.app-shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: var(--space-6) 0 calc(var(--space-7) + var(--safe-bottom));
}

.page-header {
  padding: var(--space-5) 0 var(--space-6);
}

.page-header h2,
.page-header h1 {
  max-width: 700px;
  margin-bottom: var(--space-3);
}

.content-stack,
.admin-users,
.household-list,
.cleaning-households,
.cleaning-rooms,
.cleaning-tasks,
.reference-stack {
  display: grid;
  gap: var(--space-4);
}

.household {
  display: grid;
  gap: var(--space-4);
}

.household + .household {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.household-heading,
.member-actions,
.room-header,
.room-actions,
.task-actions,
.invitation-login {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.household-heading h3 {
  margin-bottom: var(--space-1);
}

.member-actions select {
  width: auto;
}

.cleaning-home,
.cleaning-room {
  display: grid;
  gap: var(--space-4);
}

.cleaning-home > h3 {
  margin-bottom: 0;
}

.cleaning-room {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
}

.room-header h4 {
  margin-bottom: var(--space-1);
}

.room-actions,
.task-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.completion-history summary {
  min-height: 48px;
  padding-block: var(--space-3);
  color: var(--color-brand);
  cursor: pointer;
  font-weight: 750;
}

.completion-history ul {
  display: grid;
  gap: var(--space-2);
}

.completion-history li,
.completion-history small {
  display: block;
}

.invitation-summary {
  display: grid;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-brand-soft);
}

.invitation-login {
  margin-top: var(--space-5);
}

.panel-grid,
.reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.reference-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto auto;
  gap: var(--space-3);
  align-items: end;
}

.issue-form {
  display: grid;
  grid-template-columns: minmax(140px, 0.5fr) minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: end;
}

.issue-description {
  grid-column: 1 / -1;
}

.admin-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.admin-block h3 {
  margin: 0;
}

.diagnostics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.login-main {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: var(--space-5);
}

.login-panel {
  width: min(440px, 100%);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.login-panel .brand-heading {
  margin-bottom: var(--space-5);
}

.bottom-nav-demo {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.bottom-nav-demo a {
  display: grid;
  min-height: 56px;
  place-items: center;
  padding: var(--space-2);
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 750;
  text-decoration: none;
}

.bottom-nav-demo a[aria-current="page"] {
  background: var(--color-brand-soft);
  color: var(--color-brand-strong);
}

@media (max-width: 720px) {
  .app-header {
    min-height: 68px;
    padding-inline: var(--space-3);
  }

  .header-action-label {
    display: none;
  }

  .brand-link {
    width: min(38vw, 180px);
  }

  .app-shell {
    width: min(100% - 24px, 920px);
    padding-top: var(--space-4);
  }

  .panel-grid,
  .reference-grid,
  .reference-grid.three,
  .status-grid,
  .diagnostic-grid,
  .admin-form,
  .issue-form,
  .admin-block {
    grid-template-columns: 1fr;
  }

  .issue-description {
    grid-column: auto;
  }

  .action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-user,
  .member-actions,
  .task-row,
  .room-header,
  .invitation-login,
  .diagnostics-header,
  .card-header {
    align-items: stretch;
    flex-direction: column;
  }

  .room-actions,
  .task-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .room-actions > *,
  .task-actions > * {
    width: 100%;
    min-width: 0;
    justify-content: center;
  }

  .app-dialog {
    --sheet-drag: 0px;
    width: 100%;
    max-width: none;
    max-height: min(88dvh, 760px);
    margin: auto 0 0;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(var(--sheet-drag));
    transition: transform var(--motion-fast);
  }

  .app-dialog.dragging {
    transition: none;
  }

  .dialog-content {
    padding-top: var(--space-2);
  }

  .sheet-handle {
    display: block;
    width: 72px;
    height: 28px;
    margin: 0 auto var(--space-2);
    cursor: grab;
    touch-action: none;
  }

  .sheet-handle::before {
    content: "";
    display: block;
    width: 42px;
    height: 5px;
    margin: 7px auto 0;
    border-radius: 999px;
    background: var(--color-border);
  }
}