/* ============ PDFForge layout ============ */
body { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }

.ptoolbar {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  color: var(--muted); font-size: 12px;
}
.ptoolbar .tool {
  min-width: 32px; height: 30px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  padding: 0 10px;
  display: inline-flex; align-items: center; gap: 6px;
}
.ptoolbar .tool:hover { background: var(--panel-3); }
.ptoolbar .tool.active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.ptoolbar .sep { width: 1px; height: 22px; background: var(--border); }

.pdf-main { flex: 1; display: flex; min-height: 0; }

.page-list {
  width: 168px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
  padding: 10px 8px;
}
.page-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  margin-bottom: 8px;
  padding: 7px 9px;
  cursor: pointer;
  font-size: 12px;
}
.page-item.active { border-color: var(--accent); background: var(--panel-3); }
.page-item .pnum { font-weight: 600; margin-bottom: 5px; display: block; }
.page-item .pops { display: flex; gap: 3px; }
.page-item .pops button {
  flex: 1;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--muted);
  border-radius: 4px;
  height: 21px;
  cursor: pointer;
  font-size: 11px;
}
.page-item .pops button:hover { color: var(--text); border-color: var(--border-lt); }

.pdf-scroll {
  flex: 1;
  overflow: auto;
  background: var(--bg-deep);
  padding: 24px 16px 60px;
  text-align: center;
}
.pdf-page {
  position: relative;
  display: inline-block;
  margin: 0 auto 22px;
  box-shadow: 0 8px 30px rgba(0,0,0,.55);
  background: #fff;
  text-align: left;
}
.pdf-page canvas.render { display: block; }
.pdf-page canvas.ink {
  position: absolute; inset: 0;
  pointer-events: none;
}

/* selectable text layer (pdf.js) — transparent glyphs over the render */
.pdf-page .textLayer {
  position: absolute; inset: 0;
  overflow: hidden;
  line-height: 1;
  pointer-events: none;
}
.textLayer span {
  position: absolute;
  color: transparent;
  white-space: pre;
  transform-origin: 0 0;
  cursor: text;
}
.textLayer ::selection { background: rgba(91,140,255,.35); }
.tool-select .textLayer, .tool-edittext .textLayer { pointer-events: auto; }
.tool-edittext .textLayer span:hover {
  outline: 1.5px dashed var(--accent);
  background: rgba(91,140,255,.18);
  cursor: pointer;
}

.pdf-page .annot-layer { position: absolute; inset: 0; pointer-events: none; }
.pdf-page .annot-layer .annot { pointer-events: auto; }

/* alignment crosshairs shown while a drawing tool is active */
.pdf-page .guide-v, .pdf-page .guide-h {
  position: absolute;
  pointer-events: none;
  z-index: 25;
  display: none;
}
.pdf-page .guide-v { top: 0; bottom: 0; width: 0; border-left: 1px dashed rgba(91,140,255,.65); }
.pdf-page .guide-h { left: 0; right: 0; height: 0; border-top: 1px dashed rgba(91,140,255,.65); }

.annot {
  position: absolute;
  cursor: grab;
}
.annot.text {
  font-family: Helvetica, Arial, sans-serif;
  white-space: pre;
  line-height: 1.15;
}
.annot.hl { mix-blend-mode: multiply; }
.annot.rect { background: transparent; }
.annot.wipe { background: #fff; }             /* actual color set inline, sampled from the page */
.annot.penbox { background: transparent; }    /* invisible hit area over a pen stroke */
.annot.penbox:hover { outline: 1px dashed rgba(91,140,255,.55); }
.annot.field {
  border: 1.5px dashed #1c7ed6;
  background: rgba(28,126,214,.07);
  color: #1c7ed6;
  font: 10px -apple-system, Arial, sans-serif;
  padding: 1px 4px;
  overflow: hidden;
  white-space: nowrap;
}
.annot.check {
  border: 1.5px solid #1c7ed6;
  background: rgba(255,255,255,.6);
}
.annot.selected { outline: 2px dashed var(--accent); outline-offset: 2px; }
.annot .del {
  position: absolute; top: -10px; right: -10px;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: none;
  background: var(--danger);
  color: #fff;
  font-size: 11px; line-height: 1;
  cursor: pointer;
  display: none;
}
.annot.selected .del { display: block; }

.tool-text .annot-layer, .tool-hl .annot-layer, .tool-rect .annot-layer, .tool-pen .annot-layer { cursor: crosshair; }

#pdfEmpty {
  color: var(--muted);
  padding: 80px 20px;
  font-size: 14px;
}
#pdfEmpty .big { font-size: 40px; margin-bottom: 12px; }

#textEntry {
  position: absolute;
  border: none;                     /* seamless in-place editing, no box */
  background: rgba(255,255,255,.9); /* overridden inline with the sampled page color */
  color: #111;
  font-family: Helvetica, Arial, sans-serif;
  padding: 1px 4px;
  outline: none;
  min-width: 60px;
  z-index: 30;
  display: none;
}