.editor {
  flex: 1;
  padding: 2rem 1rem 3rem; /* extra bottom padding clears the fixed status bar */
  overflow: auto;
  /* Positioning context for the floating table toolbar (TableToolbar.svelte),
     which is an absolutely-positioned child that scrolls with the content. */
  position: relative;
}

/* A4 paper container (794px = 210mm at 96dpi by default; --user-page-width is
   set from the Layout panel and swaps to 1123px in landscape — pageOrientation.ts) */
.paper {
  width: var(--user-page-width, 794px);
  margin: 0 auto;
  /* Positioning context for the table page-break overlay (.band-layer in
     Editor.svelte), which lives inside .paper so the ancestor `zoom` scales it
     identically to the .tiptap page background. */
  position: relative;
}

.paper .tiptap {
  /* Driven by --user-page-height (pageOrientation.ts); fallback = A4 portrait. */
  --page-height: var(--user-page-height, 1123px);
  --page-gap: 20px;
  /* Driven by --user-margin-* set on :root from the Layout panel (pageMargins.ts).
     Fallbacks preserve the original hardcoded layout when unset. */
  --page-margin-top: var(--user-margin-top, 96px);
  --page-margin-bottom: var(--user-margin-bottom, 96px);
  --page-margin-left: var(--user-margin-left, 80px);
  --page-margin-right: var(--user-margin-right, 80px);
  --page-cycle: calc(var(--page-height) + var(--page-gap));

  position: relative;
  width: 100%;
  min-height: var(--page-height);
  padding: var(--page-margin-top) var(--page-margin-right) var(--page-margin-bottom) var(--page-margin-left);
  outline: none;
  font-family: var(--font-serif);
  /* 12pt matches odf-kit's Standard style and the toolbar's declared default. */
  font-size: 12pt;
  /* ODF/LibreOffice "single" spacing = the font's natural line height
     (Liberation Serif ≈ 1.15× em), NOT 1.0× the font size like CSS unitless 1.
     Keep this in sync with LINE_HEIGHT_RATIO in lineHeight.ts. */
  line-height: 1.15;
  color: var(--color-page-text);

  /* Multi-page background: page surfaces separated by editor background */
  background:
    /* Left border per page */
    repeating-linear-gradient(
      to bottom,
      var(--color-page-border) 0px,
      var(--color-page-border) var(--page-height),
      transparent var(--page-height),
      transparent var(--page-cycle)
    ),
    /* Right border per page */
    repeating-linear-gradient(
      to bottom,
      var(--color-page-border) 0px,
      var(--color-page-border) var(--page-height),
      transparent var(--page-height),
      transparent var(--page-cycle)
    ),
    /* Top/bottom border lines of each page */
    repeating-linear-gradient(
      to bottom,
      var(--color-page-border) 0px,
      var(--color-page-border) 1px,
      transparent 1px,
      transparent calc(var(--page-height) - 1px),
      var(--color-page-border) calc(var(--page-height) - 1px),
      var(--color-page-border) var(--page-height),
      transparent var(--page-height),
      transparent var(--page-cycle)
    ),
    /* Page surface (white) alternating with gap (transparent = editor bg shows) */
    repeating-linear-gradient(
      to bottom,
      var(--color-page-bg) 0px,
      var(--color-page-bg) var(--page-height),
      transparent var(--page-height),
      transparent var(--page-cycle)
    );
  background-size:
    1px var(--page-cycle),
    1px var(--page-cycle),
    100% var(--page-cycle),
    100% var(--page-cycle);
  background-position:
    left top,
    right top,
    left top,
    left top;
  background-repeat: repeat-y;

  border: none;

  /* Subtle overall shadow for depth */
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

/* Page break spacer widgets (inserted by ProseMirror decorations).
   line-height/font-size are zeroed so the spacer doesn't pick up the
   inherited inline strut when it sits mid-paragraph between text nodes —
   otherwise the browser adds a phantom line of height around the widget
   and the continuation text on the next page lands too low.
   Scoped to div so it never overrides the display of the table-row spacer below. */
.paper .tiptap div[data-page-break-spacer] {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  line-height: 0;
  font-size: 0;
  overflow: hidden;
}

/* Table page-break spacer: a borderless, empty <tr>/<td> that bridges the page
   gap so the following rows start on the next page (a table can't hold a block
   spacer between its rows). Keeps default table-row/cell display. */
.paper .tiptap tr[data-page-break-spacer] {
  background: none;
}

.paper .tiptap td[data-page-break-spacer-cell] {
  padding: 0;
  border: none;
  line-height: 0;
  font-size: 0;
}

.paper .tiptap p {
  margin-top: 0;
  /* matches odf-kit Standard style fo:margin-bottom (0.212cm ≈ 6pt) */
  margin-bottom: 0.212cm;
}

.paper .tiptap h1,
.paper .tiptap h2,
.paper .tiptap h3 {
  font-weight: 700;
  line-height: 1.15;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}


.paper .tiptap h1 {
  font-size: 20pt;
}

.paper .tiptap h2 {
  font-size: 16pt;
}

.paper .tiptap h3 {
  font-size: 14pt;
}

.paper .tiptap ul,
.paper .tiptap ol {
  padding-left: 1.5rem;
  margin-top: 0;
  margin-bottom: 0.212cm;
}

.paper .tiptap li {
  margin-top: 0;
  margin-bottom: 0;
  }

  .paper .tiptap li p {
    margin-bottom: 0;
}

/* Tables. The visual border/padding must match the ODT export so the editor
   and the exported .odt look identical (see export/odt.ts CUST_TABLE handler):
     • border  → export emits 0.5pt solid #000000; 1px solid renders crisply
       on screen and is the visual equivalent of a thin 0.5pt line.
     • padding → export emits fo:padding 0.1cm per cell (CELL_PADDING).
   Tables are wrapped in <div class="tableWrapper"> by TipTap's node view. */
.paper .tiptap .tableWrapper {
  margin: 0 0 0.212cm;
  overflow-x: auto;
}

.paper .tiptap table {
  width: 100%;
  /* fixed layout → the per-column <col> percentage widths from the custom node
     view (tableView.ts) are authoritative; width:100% keeps the table the full
     text width, matching the ODT export (export/odt.ts emits per-column widths
     summing to the text width with table:align="margins"). */
  table-layout: fixed;
  border-collapse: collapse;
}

.paper .tiptap td,
.paper .tiptap th {
  border: 1px solid #000;
  padding: 0.1cm;
  vertical-align: top;
  /* Positioning context for the column-resize handle widget (a child div the
     resize plugin places at the cell's right edge). */
  position: relative;
  /* Cells hold paragraphs; suppress their bottom margin so a single-line cell
     isn't taller than its text (matches the list-item paragraph treatment). */
}

.paper .tiptap td > p,
.paper .tiptap th > p {
  margin-bottom: 0;
}

/* Selected-cell highlight while editing (ProseMirror tables add .selectedCell).
   A translucent overlay via the ::after avoids disturbing the cell border. */
.paper .tiptap .selectedCell {
  position: relative;
}

.paper .tiptap .selectedCell::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-primary);
  opacity: 0.12;
  pointer-events: none;
}

/* Column resize (tableColumnResize.ts). The handle is a widget the plugin places
   at a cell's right edge when the pointer is near an internal column border; the
   plugin reads the pointer position itself, so the handle ignores pointer events.
   `.resize-cursor` is toggled on the whole editor while a border is active. */
.paper .tiptap.resize-cursor {
  cursor: col-resize;
}

.paper .tiptap .column-resize-handle {
  position: absolute;
  right: -2px;
  top: 0;
  bottom: 0;
  width: 4px;
  z-index: 20;
  background: var(--color-primary);
  pointer-events: none;
}

.paper .tiptap .column-resize-dragging {
  /* Suppress text-selection flicker while dragging a column border. */
  user-select: none;
}

.paper .tiptap p.is-editor-empty:first-child::before {
  content: attr(data-placeholder);
  float: left;
  color: var(--color-text-muted);
  pointer-events: none;
  height: 0;
}

/* Formatting marks (Toggle in extended toolbar).
   Zero-width inline-block with visible overflow: the ¶ glyph renders just
   past the last character without consuming line width — so right/center/
   justify alignment of the actual text is preserved. The leading NBSP in
   the content gives a small visual gap from the text. */
.paper.show-formatting-marks .tiptap p::after,
.paper.show-formatting-marks .tiptap h1::after,
.paper.show-formatting-marks .tiptap h2::after,
.paper.show-formatting-marks .tiptap h3::after {
  content: '\00A0¶';
  display: inline-block;
  width: 0;
  overflow: visible;
  white-space: pre;
  color: var(--color-primary);
  opacity: 0.5;
  font-family: var(--font-sans);
  font-weight: 400;
  user-select: none;
  pointer-events: none;
}

.paper.show-formatting-marks .tiptap li > p::after {
  content: '\00A0¶';
}

/* Empty block fix: when a paragraph/heading/li-paragraph contains only the
   ProseMirror trailing-break BR, the inline ::after would otherwise render
   on a second line below the BR, doubling the block's height and shifting
   the page-break calculation. Pull ::after out of flow via absolute positioning. */
.paper.show-formatting-marks .tiptap p:has(> br.ProseMirror-trailingBreak:only-child),
.paper.show-formatting-marks .tiptap h1:has(> br.ProseMirror-trailingBreak:only-child),
.paper.show-formatting-marks .tiptap h2:has(> br.ProseMirror-trailingBreak:only-child),
.paper.show-formatting-marks .tiptap h3:has(> br.ProseMirror-trailingBreak:only-child),
.paper.show-formatting-marks .tiptap li > p:has(> br.ProseMirror-trailingBreak:only-child) {
  position: relative;
}

.paper.show-formatting-marks .tiptap p:has(> br.ProseMirror-trailingBreak:only-child)::after,
.paper.show-formatting-marks .tiptap h1:has(> br.ProseMirror-trailingBreak:only-child)::after,
.paper.show-formatting-marks .tiptap h2:has(> br.ProseMirror-trailingBreak:only-child)::after,
.paper.show-formatting-marks .tiptap h3:has(> br.ProseMirror-trailingBreak:only-child)::after,
.paper.show-formatting-marks .tiptap li > p:has(> br.ProseMirror-trailingBreak:only-child)::after {
  position: absolute;
  top: 0;
  left: 0;
  margin-left: 0;
}

.paper.show-formatting-marks .tiptap .pm-space-mark {
  position: relative;
}

.paper.show-formatting-marks .tiptap .pm-space-mark::before {
  content: '·';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  opacity: 0.55;
  font-weight: 700;
  pointer-events: none;
  user-select: none;
}

/* Print styles: proper A4 pagination */
@media print {
  .editor {
    padding: 0;
    overflow: visible;
  }

  .paper {
    width: 100%;
    max-width: none;
  }

  .paper .tiptap {
    background: white !important;
    box-shadow: none;
    border: none;
    padding: 0;
    min-height: auto;
  }

  .paper .tiptap > *[data-page-break] {
    margin-top: 0 !important;
    page-break-before: always;
  }

  @page {
    size: A4;
    margin: 25.4mm;
  }

  .paper.show-formatting-marks .tiptap p::after,
  .paper.show-formatting-marks .tiptap h1::after,
  .paper.show-formatting-marks .tiptap h2::after,
  .paper.show-formatting-marks .tiptap h3::after,
  .paper.show-formatting-marks .tiptap li > p::after,
  .paper.show-formatting-marks .tiptap .pm-space-mark::before {
    content: none;
  }
}

/* Fallback channel: drive color from the --font-color custom property so the
   visible color survives even if ProseMirror's incremental DOM update leaves
   a reused span with a stale `style` attribute that no longer contains
   `color:`. The inline `color:` declaration still wins when present. */
.tiptap [data-color] {
  color: var(--font-color, currentColor);
}

/* allBlack theme: force all explicitly-colored text to the page text color.
   The color is still stored on the textStyle mark, so .odt exports remain faithful. */
[data-theme="allBlack"] .tiptap [data-color] {
  color: var(--color-page-text) !important;
}