/* v0.7.4.1: fixed-height desktop preview with the existing site tokens. */
.resource-preview-page-body {
  --preview-primary: var(--accent, #d85a2a);
  --preview-bg: var(--paper, #f6f2ea);
  --preview-line: var(--line, #ddd5c8);
  --preview-text: var(--ink, #24221f);
  background: var(--preview-bg);
}

.resource-preview-page-body main.preview-main {
  width: min(calc(100% - 2 * var(--site-gutter, 20px)), var(--site-content-max, 1440px));
  max-width: var(--site-content-max, 1440px);
  margin-inline: auto;
  padding: 12px 0 28px;
}

.resource-preview-page {
  min-width: 0;
}

.resource-preview-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: calc(100dvh - var(--site-header-height, 65px) - 86px);
  overflow: visible;
  border: 1px solid var(--preview-line);
  border-radius: 0;
  background: #fff;
  box-shadow: none;
}

.resource-preview-file-pane,
.resource-preview-canvas {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.resource-preview-file-pane {
  border-right: 1px solid var(--preview-line);
  background: #fffdfa;
}

.resource-preview-file-pane__head,
.resource-preview-canvas__head {
  position: static;
  min-height: 0;
  padding: 16px 18px;
  border-bottom: 1px solid var(--preview-line);
  background: #fff;
}

.resource-preview-file-pane__head { display: block; }

.resource-preview-back {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--preview-text);
  font-size: .92rem;
  font-weight: 700;
  text-decoration: none;
}

.resource-preview-back:hover,
.resource-preview-back:focus-visible { color: var(--preview-primary); }
.resource-preview-kicker { margin: 0 0 4px; color: var(--preview-primary); font-size: .74rem; font-weight: 800; letter-spacing: .08em; }
.resource-preview-file-pane h1,
.resource-preview-canvas h2 { margin: 0; color: var(--preview-text); font-size: 1.15rem; line-height: 1.35; overflow-wrap: anywhere; }
.resource-preview-file-count { margin: 8px 0 0; color: var(--muted); font-size: .82rem; }
.resource-preview-mobile-current { display: none; }

.resource-preview-file-list {
  min-height: 0;
  flex: 1;
  flex-direction: column;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 8px;
  scrollbar-gutter: stable;
}

.resource-preview-file {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-width: 0;
  margin-bottom: 4px;
  padding: 10px 8px;
  border: 1px solid transparent;
  border-radius: 0;
  color: var(--preview-text);
  text-decoration: none;
}

.resource-preview-file:hover,
.resource-preview-file:focus-visible {
  border-color: #e7b19a;
  background: #fff7f2;
  outline: none;
}

.resource-preview-file.is-selected {
  border-color: var(--preview-primary);
  background: #fff7f2;
  box-shadow: inset 3px 0 var(--preview-primary);
}

.resource-preview-file__type {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--preview-line);
  border-radius: 0;
  background: #faf7f1;
}

.resource-preview-file__type .file-icon { display: block; }

.resource-preview-file.is-selected .resource-preview-file__type {
  border-color: #e7b19a;
  background: #fff0e8;
  color: var(--preview-primary);
}

.resource-preview-file__copy { min-width: 0; display: grid; gap: 3px; }
.resource-preview-file__copy strong { overflow: hidden; color: var(--preview-text); font-size: .9rem; line-height: 1.3; text-overflow: ellipsis; white-space: nowrap; }
.resource-preview-file__copy small { overflow: hidden; color: var(--muted); font-size: .75rem; text-overflow: ellipsis; white-space: nowrap; }
.resource-preview-file-list__empty { padding: 18px 10px; color: var(--muted); text-align: center; }

.resource-preview-canvas {
  background: #eee9df;
}

.resource-preview-canvas__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.resource-preview-page-count { flex: 0 0 auto; margin: 0; color: #c9c0b5; font-size: .84rem; white-space: nowrap; }

.resource-preview-canvas__body {
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: auto;
  padding: 0;
  background: #eee9df;
}

.resource-preview-canvas__body > .message { flex: 0 0 auto; margin: 0 0 10px; }
.resource-preview-canvas .preview-security-note,
.resource-preview-canvas .guest-document-preview__notice {
  border: 0;
  border-bottom: 1px solid var(--preview-line);
  border-radius: 0;
  background: #fff4d9;
  color: #6f5313;
}

.resource-preview-canvas .preview-viewport {
  flex: 1;
  min-height: 0;
  border: 0;
  border-radius: 0;
}

.resource-preview-canvas .preview-viewport--document,
.resource-preview-canvas .preview-viewport--video,
.resource-preview-canvas .preview-viewport--image {
  min-height: 0;
  margin-top: 0;
}

.resource-preview-canvas .preview-frame {
  height: max(520px, calc(100dvh - 250px));
}

.resource-preview-canvas video.preview-media { max-height: calc(100dvh - 260px); }
.resource-preview-canvas img.preview-media { max-height: calc(100dvh - 260px); }
.resource-preview-canvas .guest-document-preview { min-height: 0; flex: 1; }
.resource-preview-canvas .guest-document-preview__controls {
  position: static;
  border-color: var(--preview-line);
  border-radius: 0;
  background: #faf8f3;
  box-shadow: none;
}
.guest-document-preview__page-switch,
.guest-document-preview__thumbnails { display: none; }

.resource-preview-canvas .guest-document-preview__stage {
  height: max(500px, calc(100dvh - 300px));
  border: 0;
  border-radius: 0;
  background: #eee9df;
  scrollbar-gutter: stable;
}

.resource-preview-canvas .guest-document-preview__state {
  border-color: var(--preview-line);
  border-radius: 0;
  background: #faf8f3;
  color: var(--preview-text);
}

.resource-preview-canvas .guest-document-preview__state h2 { color: var(--preview-text); }
.resource-preview-canvas .guest-document-preview__loading { color: var(--muted); }

.resource-preview-canvas .preview-attachment-gallery {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  border: 0;
  border-radius: 0;
  background: #fff;
}

.resource-preview-canvas .preview-attachment-gallery__header,
.resource-preview-canvas .preview-attachment-gallery__controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--preview-line);
  background: #faf8f3;
  color: var(--muted);
}

.resource-preview-canvas .preview-attachment-gallery__controls { justify-content: center; }
.resource-preview-canvas .preview-attachment-gallery__controls button { min-width: 76px; min-height: 32px; padding: 4px 10px; }
.resource-preview-canvas .preview-attachment-gallery__tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 8px 12px;
  border-bottom: 1px solid var(--preview-line);
  background: #fff;
}

.resource-preview-canvas .preview-attachment-gallery__tabs button {
  flex: 0 0 auto;
  max-width: 260px;
  overflow: hidden;
  padding: 4px 9px;
  border: 1px solid var(--preview-line);
  border-radius: 0;
  background: #fff;
  color: var(--preview-text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.resource-preview-canvas .preview-attachment-gallery__tabs button.is-selected {
  border-color: var(--preview-primary);
  background: #fff1e8;
  box-shadow: inset 3px 0 var(--preview-primary);
}

.resource-preview-canvas .preview-attachment-gallery__stage {
  display: flex;
  min-height: 0;
  flex: 1;
  align-items: center;
  justify-content: center;
  overflow: auto;
  background: #eee9df;
  outline: none;
}

.resource-preview-canvas .preview-attachment-gallery__stage:focus-visible { box-shadow: inset 0 0 0 2px var(--preview-primary); }
.resource-preview-canvas .preview-attachment-gallery__image {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: calc(100dvh - 320px);
  object-fit: contain;
}

@media (min-width: 761px) {
  body.resource-preview-page-body {
    height: 100dvh;
    min-height: 100dvh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  body.resource-preview-page-body > header.site-header { flex: 0 0 auto; }

  body.resource-preview-page-body > main.preview-main {
    flex: 1 1 auto;
    min-height: 0;
    height: auto;
    overflow: visible;
    padding-block: 12px;
  }

  .resource-preview-page,
  .resource-preview-layout {
    height: 100%;
    min-height: 0;
  }

  .resource-preview-layout {
    overflow: visible;
  }

  .resource-preview-canvas__body {
    overflow: visible;
  }

  .preview-security-note--desktop-hidden,
  .preview-attachment-gallery__label--desktop-hidden {
    display: none;
  }

  .resource-preview-canvas .preview-viewport {
    overflow: visible;
  }

  .resource-preview-canvas .preview-frame {
    width: 100%;
    height: 100%;
    min-height: 0;
    max-height: none;
  }

  .resource-preview-canvas video.preview-media,
  .resource-preview-canvas img.preview-media {
    width: auto;
    max-width: 100%;
    max-height: 100%;
  }

  .resource-preview-canvas .guest-document-preview {
    display: flex;
    height: 100%;
    flex-direction: column;
    gap: 8px;
  }

  .resource-preview-canvas .guest-document-preview__notice {
    flex: 0 0 auto;
    margin: 0;
    padding: 6px 10px;
    font-size: .82rem;
  }

  .resource-preview-canvas .guest-document-preview__controls {
    flex: 0 0 auto;
    gap: 8px;
    padding: 6px;
  }

  .resource-preview-canvas .guest-document-preview__stage {
    display: flex;
    height: auto;
    min-height: 0;
    flex: 1 1 auto;
    align-items: center;
    justify-content: center;
    overflow: visible;
    padding: 8px;
  }

  .resource-preview-canvas .guest-document-preview__page {
    width: auto;
    height: auto;
    min-width: 0;
    min-height: 0;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
  }

  .resource-preview-canvas .guest-document-preview__state {
    min-height: 0;
    flex: 1 1 auto;
  }

  .resource-preview-canvas .preview-attachment-gallery {
    height: 100%;
  }

  .resource-preview-canvas .preview-attachment-gallery__stage {
    overflow: visible;
  }

  .resource-preview-canvas .preview-attachment-gallery__image {
    max-height: 100%;
  }
}

@media (max-width: 900px) {
  .resource-preview-page-body main.preview-main { width: min(calc(100% - 2 * var(--site-gutter, 16px)), var(--site-content-max, 1440px)); }
  .resource-preview-layout { grid-template-columns: 280px minmax(0, 1fr); }
  .resource-preview-file-pane__head,
  .resource-preview-canvas__head { padding: 14px; }
  .resource-preview-file { grid-template-columns: 38px minmax(0, 1fr); gap: 8px; padding-inline: 7px; }
  .resource-preview-file__type { width: 34px; min-height: 34px; font-size: .56rem; }
  .resource-preview-canvas__body { padding: 10px; }
}

@media (max-width: 760px) {
  body.resource-preview-page-body > .site-header { padding-top: env(safe-area-inset-top, 0px); }
  .resource-preview-page-body main.preview-main { width: auto; margin-inline: 12px; padding-top: max(10px, env(safe-area-inset-top, 0px)); padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px)); }
  .resource-preview-layout { grid-template-columns: 1fr; min-height: 0; overflow: visible; }
  .resource-preview-file-pane { border-right: 0; border-bottom: 1px solid var(--preview-line); }
  .resource-preview-file-pane__head { padding: 12px; }
  .resource-preview-back { min-height: 44px; margin: 0 0 10px; padding: 10px 0; }
  .resource-preview-file-count { display: none; }
  .resource-preview-mobile-current { display: grid; grid-template-columns: minmax(0, 1fr); gap: 2px; margin-top: 10px; padding: 8px 10px; border-left: 3px solid var(--preview-primary); background: var(--preview-soft); }
  .resource-preview-mobile-current > span { display: none; }
  .resource-preview-mobile-current small { color: var(--muted); font-size: .75rem; }
  .resource-preview-mobile-current strong { overflow: hidden; line-height: 1.3; text-overflow: ellipsis; white-space: nowrap; }
  .resource-preview-file-list { display: none; }
  .resource-preview-canvas { min-height: 0; }
  .resource-preview-canvas__head { padding: 12px; }
  .resource-preview-canvas__head > div { display: none; }
  .resource-preview-page-count { display: none; }
  .resource-preview-canvas__body { min-height: 420px; overflow: auto; }
  .resource-preview-canvas .preview-viewport--document { min-height: 420px; }
  .resource-preview-canvas .preview-viewport--video { min-height: 300px; }
  .resource-preview-canvas .preview-viewport--image { min-height: 320px; }
  .resource-preview-canvas .preview-frame { width: 100%; height: 420px; }
  .resource-preview-canvas video.preview-media { max-height: 500px; }
  .resource-preview-canvas img.preview-media { max-height: 500px; }
  .resource-preview-canvas .guest-document-preview { display: flex; flex-direction: column; gap: 0; }
  .resource-preview-canvas .guest-document-preview__stage { order: 1; height: 470px; }
  .guest-document-preview__thumbnails {
    position: relative;
    order: 2;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 12px 18px 10px;
    background: linear-gradient(90deg, #eee9df 0, transparent 18px, transparent calc(100% - 18px), #eee9df 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 18px, #000 calc(100% - 18px), transparent);
    mask-image: linear-gradient(90deg, transparent, #000 18px, #000 calc(100% - 18px), transparent);
    scrollbar-width: none;
  }
  .guest-document-preview__thumbnails::-webkit-scrollbar { display: none; }
  .guest-document-preview__thumbnail { position: relative; flex: 0 0 58px; height: 74px; border: 1px solid #cfc7bb; background: #fff; color: var(--muted); text-decoration: none; transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease; }
  .guest-document-preview__thumbnail img { display: block; width: 100%; height: 100%; object-fit: cover; }
  .guest-document-preview__thumbnail span { position: absolute; right: 2px; bottom: 2px; min-width: 18px; padding: 1px 3px; background: rgba(255, 255, 255, .9); font-size: .66rem; text-align: center; }
  .guest-document-preview__thumbnail.is-current { z-index: 1; border: 2px solid var(--preview-primary); box-shadow: 0 5px 13px rgba(128, 62, 31, .28); transform: translateY(-4px); }
  .resource-preview-canvas .guest-document-preview__controls { position: fixed; z-index: var(--z-sticky-panel, 100); right: 12px; bottom: 0; left: 12px; order: 3; grid-template-columns: minmax(74px, 1fr) minmax(122px, 1.35fr) minmax(74px, 1fr); gap: 6px; margin: 0; padding: 7px 8px max(7px, env(safe-area-inset-bottom, 0px)); border: 1px solid var(--preview-line); background: rgba(250, 248, 243, .96); box-shadow: 0 -8px 24px rgba(36, 30, 24, .12); backdrop-filter: blur(8px); }
  .resource-preview-canvas .guest-document-preview__controls > * { min-width: 0; min-height: 44px; }
  .resource-preview-canvas .guest-document-preview__page-switch { display: block; padding-inline: 6px; white-space: nowrap; }
  .resource-preview-canvas .guest-document-preview__jump { display: none; grid-column: 2; grid-row: 1; gap: 3px; flex-wrap: nowrap; }
  .resource-preview-canvas .guest-document-preview__jump.is-editing-page { display: flex; }
  .resource-preview-canvas .guest-document-preview__jump.is-editing-page + * { grid-column: 3; }
  .resource-preview-canvas .guest-document-preview__controls:has(.guest-document-preview__jump.is-editing-page) .guest-document-preview__page-switch { display: none; }
  .resource-preview-canvas .guest-document-preview__jump label,
  .resource-preview-canvas .guest-document-preview__jump span { display: none; }
  .resource-preview-canvas .guest-document-preview__jump input { width: min(54px, 46%); min-height: 40px; padding: 4px; }
  .resource-preview-canvas .guest-document-preview__jump button { min-height: 40px; padding-inline: 7px; }
  .resource-preview-canvas .preview-attachment-gallery { min-height: 420px; }
  .resource-preview-canvas .preview-attachment-gallery__image { max-height: 420px; }
}

@media (max-width: 420px) {
  .resource-preview-page-body main.preview-main { margin-inline: 8px; }
  .resource-preview-canvas__head { align-items: flex-start; flex-direction: column; gap: 6px; }
  .resource-preview-canvas__body { padding: 8px; }
  .resource-preview-file__copy strong { font-size: .86rem; }
}