/* Shared admin layout patterns. Legacy layout class names are no longer structural aliases. */
.content-wrap {
  container: cms-content / inline-size;
}

.cms-split-layout {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(var(--cms-layout-aside-min), var(--cms-layout-aside-width));
  gap: var(--cms-layout-gap);
  align-items: start;
}

.cms-split-layout--reverse {
  grid-template-columns: minmax(var(--cms-layout-aside-min), var(--cms-layout-aside-width)) minmax(0, 1fr);
}

.cms-split-layout--balanced {
  grid-template-columns: minmax(30rem, .8fr) minmax(0, 1.2fr);
}

.cms-split-layout--single {
  grid-template-columns: minmax(0, 1fr);
}

.cms-split-layout > * {
  min-width: 0;
}

.cms-split-layout__main {
  min-width: 0;
}

.cms-split-layout__aside {
  min-width: 0;
  display: grid;
  gap: var(--cms-split-aside-gap);
}

.cms-split-layout__aside--sticky {
  position: sticky;
  top: var(--space-4);
}

@container cms-content (max-width: 64rem) {
  .cms-split-layout,
  .cms-split-layout--reverse,
  .cms-split-layout--balanced {
    grid-template-columns: minmax(0, 1fr);
  }

  .cms-split-layout__aside {
    position: static;
  }
}

/* Edit forms: quiet inspector rail on desktop, direct utilities below it. */
.cms-split-layout--form { grid-template-columns: minmax(0, 1fr); }
.page-header--form:has(.cms-toolbar--utilities) {
  align-items: flex-start; flex-direction: column; gap: var(--space-3);
  padding-bottom: .8rem; border-bottom: 1px solid var(--color-border);
}
/* The form utilities bar is the toolbar kit with no search slot: its controls
   sit at the leading edge and it may wrap, unlike a list toolbar. */
.cms-toolbar--utilities { flex-wrap: wrap; }
.cms-toolbar__control--publication[aria-checked="true"] { color: var(--color-text); }
.cms-toolbar__control--publication[aria-checked="true"] .toggle-switch__track {
  background: var(--color-accent-soft); box-shadow: inset 0 0 0 1px var(--color-accent);
}
.cms-toolbar__control--publication[aria-checked="true"] .toggle-switch__track::after {
  background: var(--color-accent); transform: translateX(var(--cms-toggle-knob-shift));
}
.form-inspector { display: none; }
.form-inspector__content { min-height: 0; display: grid; align-content: start; gap: var(--cms-split-aside-gap); overflow-y: auto; padding: var(--space-3); }

/* Site-styled block preview. The iframe isolates public CSS from the admin shell. */
.block-preview-modal {
  position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 1rem;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--motion-exit), visibility var(--cms-motion-duration-exit) linear;
}
.block-preview-modal[hidden] { display: none; }
.block-preview-modal.is-open { opacity: 1; visibility: visible; pointer-events: auto; transition: opacity var(--motion-panel); }
.block-preview-modal__scrim { position: absolute; inset: 0; border: 0; background: rgba(0, 0, 0, .58); }
.block-preview-dialog {
  position: relative; width: min(78rem, calc(100vw - 2rem)); height: min(46rem, calc(100dvh - 2rem));
  display: grid; grid-template-rows: auto minmax(0, 1fr); overflow: hidden;
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-md);
  background: var(--color-surface); box-shadow: var(--shadow-panel);
  transform: translateY(var(--cms-motion-shift-sm)) scale(.985);
  transition: transform var(--motion-exit);
}
.block-preview-modal.is-open .block-preview-dialog { transform: none; transition: transform var(--motion-panel); }
.block-preview-dialog:focus { outline: 0; }
.block-preview-dialog__header {
  min-height: 4rem; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: var(--space-3);
  padding: .65rem .8rem .65rem 1rem; border-bottom: 1px solid var(--color-border); background: var(--color-surface);
}
.block-preview-dialog__title, .block-preview-dialog__tools { min-width: 0; display: flex; align-items: center; gap: .75rem; }
.block-preview-dialog__title h2 { margin: 0; font-size: var(--cms-font-size-lg); white-space: nowrap; }
.block-preview-dialog__tools { justify-content: flex-end; }
.block-preview-devices { display: inline-flex; align-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.block-preview-devices button {
  min-height: 2.25rem; display: inline-flex; align-items: center; gap: .4rem; padding: .38rem .7rem;
  border: 0; border-left: 1px solid var(--color-border); background: transparent; color: var(--color-muted);
  font: inherit; font-size: var(--cms-font-size-xs); cursor: pointer;
}
.block-preview-devices button:first-child { border-left: 0; }
.block-preview-devices button:hover { color: var(--color-text); background: var(--cms-bg-hover); }
.block-preview-devices button.is-active { color: var(--color-accent); background: var(--color-accent-soft); }
.block-preview-devices button:focus-visible { position: relative; z-index: 1; outline: 0; box-shadow: var(--cms-focus-ring); }
.block-preview-canvas {
  position: relative; min-height: 0; display: grid; align-items: stretch; justify-items: safe center; overflow: auto;
  padding: 0; background: var(--color-canvas);
}
/* Desktop fills the canvas edge-to-edge; tablet/mobile sit matted on the canvas. */
.block-preview-canvas:has(.block-preview-viewport[data-device="tablet"]),
.block-preview-canvas:has(.block-preview-viewport[data-device="mobile"]) {
  padding: clamp(.6rem, 2vw, 1.5rem);
}
.block-preview-viewport {
  width: 100%; min-height: 100%; overflow: hidden;
  background: var(--color-surface); transition: width var(--motion-panel);
}
.block-preview-viewport[data-device="tablet"],
.block-preview-viewport[data-device="mobile"] {
  border: 1px solid var(--color-border); border-radius: var(--radius-sm); box-shadow: var(--shadow-panel);
}
.block-preview-viewport[data-device="tablet"] { width: min(100%, 768px); }
.block-preview-viewport[data-device="mobile"] { width: min(100%, 390px); }
.block-preview-viewport iframe { display: block; width: 100%; height: 100%; min-height: 38rem; border: 0; background: transparent; }
.block-preview-state {
  position: absolute; inset: 50% auto auto 50%; max-width: min(24rem, calc(100% - 2rem)); margin: 0;
  padding: .6rem .8rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-muted); box-shadow: var(--shadow-panel);
  font-size: var(--cms-font-size-sm); transform: translate(-50%, -50%); text-align: center;
}
.block-preview-state.is-error { border-color: color-mix(in srgb, var(--color-danger) 35%, var(--color-border)); color: var(--color-danger); }
body.block-preview-open { overflow: hidden; }

@container cms-content (min-width: 64rem) {
  .cms-split-layout--form {
    grid-template-columns: minmax(0, 1fr) minmax(0, var(--cms-form-inspector-width));
  }
  .cms-split-layout--form .form-inspector {
    position: sticky; inset: auto; top: calc(var(--topbar-height) + var(--space-3)); z-index: auto; display: block;
    width: auto; height: auto; margin-inline: 0;
    max-height: calc(100dvh - var(--topbar-height) - var(--cms-form-action-bar-height) - (2 * var(--space-3)));
    overflow-y: auto; padding: 0; border: 1px solid var(--cms-toolbar-border);
    border-radius: var(--cms-toolbar-radius); background: var(--cms-toolbar-bg); box-shadow: none;
  }
  .page-header--form:has(.cms-toolbar--utilities) { padding-bottom: 0; border-bottom: 0; }
  .cms-toolbar--utilities { display: none; }
  .form-inspector__content { gap: 0; overflow: visible; padding: var(--space-3); }
  .form-inspector__content > .cms-card {
    border: 0; border-radius: 0;
    background: transparent; box-shadow: none;
  }
  .form-inspector__content > .cms-card + .cms-card { border-top: 1px solid var(--color-border); }
  .form-inspector__content > .cms-card > .cms-card__header {
    min-height: 0; padding: .95rem 0 .45rem; border: 0; background: transparent;
  }
  .form-inspector__content > .cms-card > .cms-card__body { padding: 0 0 var(--space-3); }
  .form-inspector__content > .review-panel > .cms-card__body { gap: 0; padding-top: 0; }
  .form-inspector__content .review-preview-button { margin-top: var(--space-4); }
  .form-inspector__content > .preview-panel > .cms-card__body { padding-bottom: var(--space-4); }
  .form-inspector__content > .aside-panel--meta > .cms-card__body { padding: .72rem 0 .85rem; }
  .form-inspector__content .aside-meta { gap: .65rem; }
}

@media (max-width: 900px) {
  .block-preview-dialog__header { grid-template-columns: minmax(0, 1fr) auto; }
  .block-preview-devices { grid-column: 1 / -1; grid-row: 2; justify-self: center; }
}

@media (max-width: 680px) {
  .page-header--form:has(.cms-toolbar--utilities) { align-items: stretch; gap: .65rem; }
  .block-preview-modal { padding: 0; }
  .block-preview-dialog { width: 100vw; height: 100dvh; border: 0; border-radius: 0; }
  .block-preview-dialog__header { min-height: 0; padding: .55rem; gap: .5rem; }
  .block-preview-dialog__title { gap: .45rem; }
  .block-preview-dialog__title h2 { font-size: var(--cms-font-size-md); }
  .block-preview-devices { width: 100%; }
  .block-preview-devices button { flex: 1 1 0; justify-content: center; min-width: 0; padding-inline: .35rem; }
  .block-preview-devices button span { display: none; }
  /* The canvas is narrower than any device width here, so lock real pixel widths and let it scroll. */
  .block-preview-canvas,
  .block-preview-canvas:has(.block-preview-viewport[data-device="tablet"]),
  .block-preview-canvas:has(.block-preview-viewport[data-device="mobile"]) { padding: .4rem; }
  .block-preview-viewport { width: 1152px; border-radius: var(--radius-sm); }
  .block-preview-viewport[data-device="tablet"] { width: 768px; }
  .block-preview-viewport[data-device="mobile"] { width: 390px; }
}