.pdf-page .tool-page-hero h1 {
  max-width: 900px;
}

.pdf-local-note {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 3px solid var(--green);
  background: var(--green-soft);
  color: var(--muted);
  line-height: 1.55;
  font-size: .88rem;
}

.pdf-local-note strong {
  color: var(--text);
}

.pdf-switcher-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 9px;
}

.pdf-drop-zone {
  min-height: 190px;
}

.pdf-file-list {
  display: grid;
  gap: 9px;
  margin-top: 15px;
}

.pdf-file-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg-soft);
}

.pdf-file-row strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pdf-file-row small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

.pdf-file-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.mini-button {
  min-width: 38px;
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
}

.mini-button:hover {
  color: var(--text);
  border-color: var(--blue);
}

.mini-button.danger:hover {
  color: #ffb7b7;
  border-color: rgba(255, 100, 100, .45);
}

.pdf-preview-panel {
  position: sticky;
  top: 96px;
}

.pdf-canvas-wrap {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 300px;
  overflow: auto;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: var(--bg-soft);
}

.pdf-canvas-wrap canvas {
  display: block;
  max-width: 100%;
  height: auto;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
  cursor: crosshair;
}

.pdf-canvas-wrap canvas.no-pointer {
  cursor: default;
}

.pdf-page-controls {
  display: flex;
  gap: 10px;
  align-items: end;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.pdf-page-controls .control-group {
  min-width: 130px;
  flex: 1;
}

.pdf-page-controls .button {
  min-width: 0;
}

.pdf-position-readout {
  margin-top: 10px;
  color: var(--muted);
  font-size: .85rem;
}

.pdf-position-readout strong {
  color: var(--text);
}

.pdf-operation-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.pdf-operation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: .86rem;
}

.pdf-operation strong {
  color: var(--text);
}

.signature-pad-wrap {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 13px;
  background:
    linear-gradient(#fff, #fff);
}

#signaturePad {
  display: block;
  width: 100%;
  height: 180px;
  touch-action: none;
  cursor: crosshair;
}

.signature-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.pdf-progress {
  margin-top: 14px;
}

.pdf-progress progress {
  width: 100%;
  height: 12px;
  accent-color: var(--blue);
}

.pdf-result-box {
  margin-top: 14px;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg-soft);
  color: var(--muted);
  line-height: 1.5;
}

.pdf-result-box strong {
  color: var(--text);
}

.pdf-warning {
  margin-top: 14px;
  padding: 13px 15px;
  border-left: 3px solid #ffb454;
  background: rgba(255, 180, 84, .08);
  color: var(--muted);
  line-height: 1.55;
  font-size: .88rem;
}

.pdf-warning strong {
  color: var(--text);
}

.word-info {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.watermark-type-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.watermark-type-options label {
  flex: 1;
  min-width: 130px;
}

.hidden-control {
  display: none !important;
}

@media (max-width: 1100px) {
  .pdf-switcher-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .pdf-preview-panel {
    position: static;
  }
}

@media (max-width: 680px) {
  .pdf-switcher-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pdf-file-row,
  .pdf-operation {
    grid-template-columns: 1fr;
  }

  .pdf-file-actions {
    justify-content: flex-start;
  }

  #signaturePad {
    height: 150px;
  }
}


/* ===== ToolHub v8 · mejoras PDF ===== */

.pdf-editor-hint {
  margin-top: 10px;
  padding: 11px 13px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--muted);
  line-height: 1.5;
  font-size: .86rem;
}

.pdf-editor-hint strong {
  color: var(--text);
}

.editor-preview-wrap {
  position: relative;
}

.editor-preview-wrap canvas {
  cursor: crosshair;
}

.editor-toolbar-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.editor-toolbar-row .button {
  min-width: 0;
}

.edit-textarea {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg-soft);
  color: var(--text);
  outline: none;
  line-height: 1.5;
}

.edit-textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-soft);
}

.signature-type-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.signature-option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg-soft);
  color: var(--muted);
  cursor: pointer;
}

.signature-option input {
  width: 18px;
  height: 18px;
  accent-color: var(--purple);
}

.signature-option:has(input:checked) {
  border-color: var(--purple);
  background: var(--purple-soft);
  color: var(--text);
}

.signature-preview-chip {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: .84rem;
}

.watermark-enable-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.watermark-enable-row label {
  min-width: 0;
}

.watermark-preview-settings {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.watermark-position-buttons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

.position-button {
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-soft);
  color: var(--muted);
  cursor: pointer;
}

.position-button:hover,
.position-button.active {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: var(--text);
}

.protected-pdf-note {
  margin-top: 12px;
  padding: 11px 13px;
  border-left: 3px solid #ffb454;
  background: rgba(255, 180, 84, .08);
  color: var(--muted);
  line-height: 1.5;
  font-size: .84rem;
}

.protected-pdf-note strong {
  color: var(--text);
}

.pdf-operation-detail {
  min-width: 0;
  overflow-wrap: anywhere;
}

.pdf-operation-detail small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
}

@media (max-width: 680px) {
  .signature-type-grid,
  .watermark-enable-row,
  .watermark-position-buttons {
    grid-template-columns: 1fr;
  }
}


.compatibility-quality-note {
  border-left-color: var(--blue);
  background: var(--blue-soft);
}