/* Extensions scoped to the PDF page; the shared stylesheet is unchanged. */
#pdfControls, #pdfControls.merge { grid-template-columns: repeat(3, minmax(0, 1fr)); }
/* Sem nenhum ajuste visível (modo Juntar): o bloco de controles some. */
#pdfControls:not(:has(.control-group:not(.hidden))) { display: none; }
#pdfControls .control-group { min-width: 0; }
#pdfControls select, #pdfControls input[type="text"] { width: 100%; min-width: 0; }
#pdfControls input[type="text"] { border: 1px solid var(--border); border-radius: 6px; padding: .7rem; background: var(--surface2); color: var(--text); font: inherit; }
.pdf-field-hint { display: block; margin-top: .65rem; color: var(--muted); font-size: .75rem; line-height: 1.5; }
.pdf-status { color: var(--muted); font-size: .85rem; line-height: 1.6; margin-block: 1rem; }
.pdf-status.error { color: var(--danger); }
html.light .pdf-status.error { color: #ad2424; }
.pdf-outputs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: .7rem; margin-bottom: 2rem; max-height: 420px; overflow-y: auto; }
.pdf-output { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.pdf-output > div { min-width: 0; }
.pdf-output strong { overflow-wrap: anywhere; font-size: .8rem; }
.pdf-output small { display: block; color: var(--muted); margin-top: .3rem; }
.pdf-output button { flex-shrink: 0; }
@media (max-width: 900px) { #pdfControls, #pdfControls.merge { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { #pdfControls, #pdfControls.merge { grid-template-columns: minmax(0, 1fr); } }

/* Marca d'água, numerar e recortar: o campo Páginas vai para o fim, depois das opções do modo. */
#pdfControls:is([data-mode="watermark"], [data-mode="number"], [data-mode="crop"]) #pageRangeGroup { order: 99; }
#pdfControls input[type="number"] { width: 100%; box-sizing: border-box; height: 2.9rem; }

/* Imagem da marca d'água: o input fica invisível e um botão estilizado faz o papel dele. */
.pdf-file-field { position: relative; }
.pdf-file-field input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; pointer-events: none; }
.control-group label.pdf-file-btn { display: inline-flex; align-items: center; justify-content: center; width: 100%; height: 2.9rem; box-sizing: border-box; margin: 0; padding: 0 1rem; background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-size: .85rem; text-transform: none; letter-spacing: 0; cursor: pointer; transition: border-color .15s; }
.control-group label.pdf-file-btn:hover { border-color: var(--accent); }
html.light .control-group label.pdf-file-btn:hover { border-color: #3d7000; }
.pdf-file-field:has(input:focus-visible) .pdf-file-btn { outline: 2px solid var(--accent); outline-offset: 2px; }
html.light .pdf-file-field:has(input:focus-visible) .pdf-file-btn { outline-color: #3d7000; }
.pdf-file-field:has(input:disabled) .pdf-file-btn { opacity: .5; pointer-events: none; }
.pdf-file-name { overflow-wrap: anywhere; }
.pdf-file-name.has-file { color: var(--text); }

/* Recortar: os quatro lados lado a lado, ocupando a linha inteira. */
#pdfControls .pdf-margins-group { grid-column: 1 / -1; }
.pdf-margins { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; }
.pdf-margins > div { min-width: 0; }
.control-group .pdf-margins label { font-size: .7rem; letter-spacing: .05em; margin-bottom: .35rem; }
.pdf-margins input[type="number"] { padding-inline: .75rem; }
@media (max-width: 600px) { .pdf-margins { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Compact, opt-in stronger compression. */
.pdf-compression-option { margin-block: 0 24px; }
.pdf-compression-option label { display: flex; align-items: center; gap: 10px; width: fit-content; cursor: pointer; color: var(--text); font-size: .9rem; line-height: 1.5; }
.pdf-compression-option input { flex: 0 0 18px; width: 18px; height: 18px; margin: 0; accent-color: var(--accent); cursor: pointer; }
.pdf-compression-option p { margin: 6px 0 0 28px; color: var(--muted); font-size: .8rem; line-height: 1.6; }
html.light .pdf-compression-option input { accent-color: #3d7000; }

/* PDF para texto: caixa "Separar páginas" e área com o texto extraído. */
.control-group label.pdf-check { display: flex; align-items: center; gap: 10px; width: fit-content; margin: 0; color: var(--text); font-size: .9rem; line-height: 1.5; text-transform: none; letter-spacing: 0; cursor: pointer; }
.pdf-check input { flex: 0 0 18px; width: 18px; height: 18px; margin: 0; accent-color: var(--accent); cursor: pointer; }
html.light .pdf-check input { accent-color: #3d7000; }
.pdf-check:has(input:disabled) { opacity: .5; cursor: default; }
.tool-workspace .pdf-text-result { order: 8; }
.pdf-text-result { margin-block: .25rem 2rem; min-width: 0; }
.pdf-text-result[hidden] { display: none; }
.pdf-text-result > label { display: block; margin-bottom: .6rem; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.pdf-text-result textarea { display: block; width: 100%; box-sizing: border-box; min-height: 420px; resize: vertical; padding: 1rem; background: var(--surface2); color: var(--text); border: 1px solid var(--border); border-radius: 10px; font: inherit; font-size: .9rem; line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; }
.pdf-text-result textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
html.light .pdf-text-result textarea:focus-visible { outline-color: #3d7000; }
.pdf-text-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .8rem; }
@media (max-width: 600px) {
  .pdf-text-result textarea { min-height: 320px; }
  .pdf-text-actions .btn { flex: 1 1 100%; }
}

/* Câmera (Imagens → PDF): só em telas de toque; o campo de arquivo fica invisível e o botão o abre. */
.pdf-camera { display: none; }
.tool-workspace .pdf-camera { order: 4; }
.pdf-camera input[type="file"] { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; pointer-events: none; }
@media (hover: none) and (pointer: coarse) {
  .pdf-camera:not(.hidden) { display: flex; position: relative; margin-block: 0 1rem; }
  .pdf-camera .btn { flex: 1; min-height: 3rem; }
}

/* Marca d'água: prévia de uma página com a marca arrastável (posição Livre).
   O palco segue a ordem comum de .tool-stage (no celular, depois dos botões). */
.wm-stage { min-width: 0; margin-block: 1rem 1.5rem; }
.wm-stage[hidden], .wm-stage [hidden] { display: none !important; }
.wm-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; margin-bottom: .8rem; min-height: 40px; }
.wm-hint { flex: 1 1 16rem; min-width: 0; margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.wm-nav { display: flex; align-items: center; gap: .5rem; margin-left: auto; }
.wm-page-label { min-width: 8.5em; text-align: center; color: var(--text); font: .8rem var(--font-mono); }
.wm-nav-btn { width: 36px; height: 36px; display: grid; place-items: center; padding: 0; border: 1px solid var(--border); border-radius: 8px; background: var(--surface2); color: var(--text); font-size: 1.2rem; line-height: 1; cursor: pointer; }
.wm-nav-btn:hover:not(:disabled) { color: var(--accent); border-color: var(--accent); }
html.light .wm-nav-btn:hover:not(:disabled) { color: #3d7000; border-color: #3d7000; }
.wm-nav-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
html.light .wm-nav-btn:focus-visible { outline-color: #3d7000; }
.wm-nav-btn:disabled { opacity: .35; cursor: not-allowed; }

/* Folga ao redor da página para a alça que sai da borda. */
/* Corta a moldura que passar da folga: uma marca grande perto da borda não abre rolagem horizontal. */
.wm-view { display: flex; justify-content: center; min-width: 0; padding: 16px; overflow: hidden; overflow: clip; }
.wm-page { position: relative; flex-shrink: 0; max-width: 100%; background: #fff; box-shadow: 0 2px 16px rgba(0, 0, 0, .3); }
html.light .wm-page { box-shadow: 0 2px 14px rgba(0, 0, 0, .14); }
.wm-page canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
/* A tinta é cortada na borda da página, como no PDF; a moldura de arrastar fica por cima, sem corte. */
.wm-clip { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.wm-layer { position: absolute; inset: 0; pointer-events: none; }
.wm-ink, .wm-mark { position: absolute; box-sizing: border-box; transform-origin: 50% 50%; }
/* Texto com a mesma métrica da Helvetica Bold do PDF: sem kerning nem ligaduras (o PDF não usa). */
.wm-ink-text {
  position: absolute; left: 0; top: 0;
  font-family: Helvetica, Arial, sans-serif; font-weight: 700; font-style: normal;
  line-height: 1; letter-spacing: 0; text-transform: none; white-space: pre;
  font-kerning: none; font-variant-ligatures: none; font-synthesis: none;
}
/* Marcador de altura zero: sua posição é a linha de base do texto (o pdf.js mede com offsetTop). */
.wm-baseline { display: inline-block; width: 0; height: 0; vertical-align: baseline; }
/* image-orientation: none: o PDF embute o JPG sem aplicar a rotação EXIF, então a prévia também não. */
.wm-ink-img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; image-orientation: none; }

/* A página é sempre branca: moldura e alça em verde escuro com halo branco nos dois temas. */
.wm-mark {
  pointer-events: auto;
  cursor: move;
  touch-action: none; /* arrastar com o dedo move a marca, não a página */
  user-select: none; -webkit-user-select: none; -webkit-touch-callout: none;
  outline: 1px dashed rgba(61, 112, 0, .55);
  outline-offset: 3px;
}
.wm-mark::before { content: ''; position: absolute; inset: -8px; } /* área de toque maior que a marca */
.wm-mark:hover, .wm-mark.dragging { outline: 1.5px dashed #3d7000; }
.wm-mark:focus-visible { outline: 2px solid #3d7000; box-shadow: 0 0 0 5px rgba(255, 255, 255, .8); }
.wm-mark.dragging { cursor: grabbing; }
.wm-resize {
  position: absolute; right: -13px; bottom: -13px;
  width: 20px; height: 20px; box-sizing: border-box;
  border: 2px solid #fff; border-radius: 50%;
  background: #3d7000;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .35);
  cursor: nwse-resize;
  touch-action: none;
}
.wm-resize::before { content: ''; position: absolute; inset: -8px; border-radius: 50%; }
.wm-notice { margin: .8rem 0 0; padding: .7rem .9rem; border-left: 2px solid var(--border-hover); color: var(--muted); font-size: .8rem; line-height: 1.5; }

@media (min-width: 901px) { .tool-main > .wm-stage { margin: .25rem 0 0; } }
@media (max-width: 768px), (pointer: coarse) {
  /* Alça grande para o dedo. */
  .wm-resize { width: 28px; height: 28px; right: -17px; bottom: -17px; }
}
@media (max-width: 768px) {
  .wm-view { padding: 14px 8px; }
  .wm-bar { justify-content: center; text-align: center; }
  .wm-nav { margin-left: 0; }
}