/**
 * FormRenderer — primary admin form layout/orchestrator.
 *
 * Override handles (parent-by-section):
 *
 *   .byline-form                        — root <form>
 *   .byline-form-heading-row            — heading + headerSlot row
 *   .byline-form-heading                — h1 heading
 *   .byline-form-status-bar             — sticky status + actions container
 *   .byline-form-status                 — status display group
 *   .byline-form-status-meta            — flex row of status / updated / created
 *   .byline-form-status-cell            — individual status / updated / created
 *   .byline-form-status-muted           — muted label text
 *   .byline-form-status-trunc           — truncate ellipsis
 *   .byline-form-status-published       — "a published version is live" notice
 *   .byline-form-status-unpublish       — Unpublish text-link button
 *
 *   .byline-form-actions                — flex container for cancel/save/status/menu
 *   .byline-form-actions-button         — min-sized Cancel / Save buttons
 *   .byline-form-actions-status-wrap    — relative positioned wrapper around the ComboButton
 *   .byline-form-actions-combo-button   — ComboButton's main button minimums
 *   .byline-form-actions-combo-trigger  — ComboButton's trigger button minimums
 *   .byline-form-busy-status            — visually-hidden save/upload announcement
 *   .byline-form-save-content           — stable-width Save label/loader wrapper
 *   .byline-form-save-label             — visible label that determines button width
 *   .byline-form-save-loader            — centered progress overlay
 *
 *   .byline-form-layout                 — main + sidebar grid wrapper
 *   .byline-form-content                — main column
 *   .byline-form-sidebar                — right column
 *
 *   .byline-form-tabset                 — vertical stack wrapping a tab set
 *   .byline-form-tabset-tabs            — Tabs.className overrides for tabset placement
 *   .byline-form-tabset-fields          — vertical stack of tab body fields
 *
 *   .byline-form-guard-modal-head       — leave-without-saving modal header
 *   .byline-form-guard-modal-title      — guard modal title
 *   .byline-form-guard-modal-text       — guard modal body paragraph
 */

.form,
:global(.byline-form) {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.heading-row,
:global(.byline-form-heading-row) {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 0.25rem var(--spacing-16);
  margin-bottom: var(--spacing-8);
}

@media (min-width: 40rem) {
  .heading-row,
  :global(.byline-form-heading-row) {
    grid-template-columns: 1fr auto;
  }
}

.heading,
:global(.byline-form-heading) {
  margin-bottom: 0;
  font-size: 1.75rem;
}

.status-bar,
:global(.byline-form-status-bar) {
  position: sticky;
  top: 45px;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 0.25rem var(--spacing-16);
  padding: var(--spacing-8);
  margin-bottom: 0.25rem;
  border: var(--border-width-thin) var(--border-style-solid) var(--gray-100);
  border-radius: var(--border-radius-sm);
  background-color: var(--canvas-25);
}

@media (min-width: 40rem) {
  .status-bar,
  :global(.byline-form-status-bar) {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 66rem) {
  .status-bar,
  :global(.byline-form-status-bar) {
    margin-bottom: 0;
  }
}

.status,
:global(.byline-form-status) {
  display: flex;
  height: 100%;
  flex-direction: column;
  justify-content: center;
}

.status-details,
:global(.byline-form-status-details) {
  min-width: 0;
}

.status-meta,
:global(.byline-form-status-meta) {
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
  line-height: 1.25;
}

@media (min-width: 48rem) {
  .status-meta,
  :global(.byline-form-status-meta) {
    margin-bottom: 0.25rem;
    line-height: 0.75rem;
  }
}

@media (min-width: 66rem) {
  .status-meta,
  :global(.byline-form-status-meta) {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    /* Wrapping rather than truncating. Every cell here sets `min-width: 0` so
       it can ellipsize, which works while the row holds three short facts and
       fails once a fourth (a scheduled instant with its IANA zone) joins them —
       the row starts shaving every cell at once, down to "Status: D…". Letting
       it wrap keeps each fact whole and costs a line only when one is needed.
       The row gap is explicit because the shared `gap` collapses the line-height
       override above into an unreadably tight second row. */
    row-gap: 0.35rem;
  }
}

@media (min-width: 40rem) {
  .status-meta,
  :global(.byline-form-status-meta) {
    gap: var(--spacing-8);
  }
}

.status-cell,
:global(.byline-form-status-cell) {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem;
  min-width: 0;
}

.status-muted,
:global(.byline-form-status-muted) {
  flex-shrink: 0;
  color: var(--gray-500);
}

.status-trunc,
:global(.byline-form-status-trunc) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-published,
:global(.byline-form-status-published) {
  font-size: 0.8rem;
  display: inline;
  line-height: 1rem;
}

@media (min-width: 48rem) {
  .status-published,
  :global(.byline-form-status-published) {
    line-height: 0.875rem;
  }
}

.status-unpublish,
:global(.byline-form-status-unpublish) {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
  font-size: 0.8rem;
  text-decoration: underline;
  cursor: pointer;
}

.actions,
:global(.byline-form-actions) {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.actions-button,
:global(.byline-form-actions-button) {
  min-width: 70px;
  min-height: 28px;
}

.busy-status,
:global(.byline-form-busy-status) {
  position: absolute;
  overflow: hidden;
  width: 1px;
  height: 1px;
  padding: 0;
  border: 0;
  margin: -1px;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.save-content,
:global(.byline-form-save-content) {
  position: relative;
  display: inline-block;
}

.save-label,
:global(.byline-form-save-label) {
  display: inline-block;
}

.save-label-hidden {
  visibility: hidden;
}

.save-loader,
:global(.byline-form-save-loader) {
  position: absolute;
  top: 50%;
  left: 50%;
  display: inline-flex;
  transform: translate(-50%, -50%);
}

.actions-status-wrap,
:global(.byline-form-actions-status-wrap) {
  position: relative;
  z-index: 10;
}

.actions-combo-button,
:global(.byline-form-actions-combo-button) {
  min-width: 100px;
  min-height: 28px;
}

.actions-combo-trigger,
:global(.byline-form-actions-combo-trigger) {
  min-height: 28px;
}

/*
 * Concurrency alerts (stale document, lock conflict, schedule reconfirmation).
 * Separated from the status bar above and from the form layout below, which
 * otherwise carries its standing top padding on top of the alert's own gap.
 */
.concurrency,
:global(.byline-document-concurrency) {
  margin-top: var(--spacing-16);
}

.concurrency button,
:global(.byline-document-concurrency) button {
  margin-top: var(--spacing-12);
}

.concurrency ~ .layout,
:global(.byline-document-concurrency) ~ :global(.byline-form-layout) {
  padding-top: var(--spacing-16);
}

.layout,
:global(.byline-form-layout) {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  padding-top: var(--spacing-32);
}

@media (min-width: 60rem) {
  .layout,
  :global(.byline-form-layout) {
    gap: var(--spacing-32);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 0.4fr;
    grid-column-gap: 36px;
    align-items: start;
  }
}

/* One column at every width. The split layout above becomes a two-column grid
   at >=60rem; a stacked form must not inherit that, or it reserves an empty
   second track and narrows its only content column. */
.layout-stacked,
:global(.byline-form-layout-stacked) {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  padding-top: var(--spacing-32);
}

@media (min-width: 60rem) {
  .layout-stacked,
  :global(.byline-form-layout-stacked) {
    gap: var(--spacing-32);
  }
}

.content,
:global(.byline-form-content) {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
  max-width: 100%;
  /* Grid item default min-width:auto refuses to shrink below its content's
   * min-content size — a horizontally-scrolling code block (white-space:pre)
   * has a huge min-content, which would blow this column across the sidebar.
   * min-width:0 lets the column respect its minmax(0,1fr) track instead. */
  min-width: 0;
  margin-bottom: 2.75rem;
}

@media (min-width: 60rem) {
  .content,
  :global(.byline-form-content) {
    margin-bottom: 3.75rem;
  }
}

.sidebar,
:global(.byline-form-sidebar) {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
  margin-top: 0;
  background-color: oklch(from var(--canvas-50) l c h / 0.2);
  max-width: 100%;
  margin-bottom: 4rem;
}

@media (min-width: 60rem) {
  .sidebar,
  :global(.byline-form-sidebar) {
    margin-bottom: 0;
    padding-right: 12px;
    padding-top: 0.25rem;
    padding-left: var(--spacing-16);
    border-left: var(--border-width-thin) var(--border-style-solid) var(--gray-100);
    position: sticky;
    top: 95px;
  }
}

.tabset,
:global(.byline-form-tabset) {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
}

.tabset-tabs,
:global(.byline-form-tabset-tabs) {
  margin-top: -1rem;
  margin-bottom: 0;
}

.tabset-fields,
:global(.byline-form-tabset-fields) {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
}

.guard-modal-head,
:global(.byline-form-guard-modal-head) {
  padding-top: 1rem;
  margin-bottom: var(--spacing-8);
}

.guard-modal-title,
:global(.byline-form-guard-modal-title) {
  margin: 0 0 var(--spacing-8) 0;
  font-size: var(--font-size-2xl);
}

.guard-modal-text,
:global(.byline-form-guard-modal-text) {
  font-size: var(--font-size-sm);
}

/* ─── Dark theme variants ───────────────────────────────────── */

:is([data-theme="dark"], :global(.dark)) {
  .status-bar,
  :global(.byline-form-status-bar) {
    background-color: var(--canvas-800);
    border: var(--border-width-thin) var(--border-style-solid) var(--gray-700);
  }

  .sidebar,
  :global(.byline-form-sidebar) {
    border-left-color: var(--gray-800);
    background-color: var(--canvas-900);
  }
}