/**
 * DC PDF — tryby merge / images / sign
 */

.tool-workspace--full {
  display: block;
  grid-template-columns: 1fr;
}

.tool-main--pdf {
  min-height: auto;
}

.tool-main--pdf .tool-toolbar {
  flex-wrap: wrap;
  gap: 0.85rem 1rem;
  align-items: center;
}

.pdf-tabs {
  flex: 1;
  min-width: 220px;
  flex-wrap: wrap;
}

.pdf-tabs .dc-tabs__btn i {
  margin-right: 0.35rem;
}

.pdf-hint {
  margin: 0;
  color: var(--dc-text-muted);
  font-size: 13px;
  font-weight: 500;
}

.pdf-hint .fa {
  color: var(--dc-brand);
  margin-right: 0.35rem;
}

.pdf-panel {
  padding: 1.1rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.pdf-panel[hidden] {
  display: none !important;
}

.pdf-status {
  margin: 0;
  padding: 0.65rem 1.5rem 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--dc-brand);
}

.pdf-status.is-error {
  color: #f87171;
}

.pdf-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
}

.pdf-options-box {
  padding: 1rem 1.15rem;
  background: var(--dc-bg-muted);
  border: 1px solid var(--dc-line);
  border-radius: var(--dc-radius);
}

.pdf-options-box__title {
  margin: 0 0 0.75rem;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dc-text-muted);
}

.pdf-options-box__hint {
  margin: 0.75rem 0 0;
}

@media (max-width: 720px) {
  .pdf-options {
    grid-template-columns: 1fr;
  }
}

.pdf-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.pdf-field .dc-hint {
  margin: 0;
}

.pdf-field--inline {
  min-width: 140px;
}

.tool-main--pdf .dc-drop__zone {
  min-height: 160px;
  padding: 1.75rem 1.5rem;
}

.tool-main--pdf .dc-drop.dc-dragover .dc-drop__zone {
  border-color: var(--dc-brand);
  background: var(--dc-brand-subtle);
}

.pdf-drop--compact .dc-drop__zone {
  min-height: 110px;
  padding: 1.1rem 1rem;
}

.pdf-sign-uploads {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 720px) {
  .pdf-sign-uploads {
    grid-template-columns: 1fr;
  }
}

/* Lista plików */
.pdf-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.pdf-item {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 0.85rem;
  align-items: center;
  padding: 0.75rem 0.95rem;
  background: var(--dc-bg-muted);
  border: 1px solid var(--dc-line);
  border-radius: var(--dc-radius);
}

.pdf-item__idx {
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--dc-brand);
  background: rgba(var(--dc-brand-rgb), 0.12);
}

.pdf-item__meta {
  min-width: 0;
}

.pdf-item__name {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--dc-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pdf-item__info {
  margin: 0.2rem 0 0;
  font-size: 12px;
  color: var(--dc-text-muted);
  font-family: ui-monospace, "Cascadia Code", monospace;
}

.pdf-item__thumb {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: var(--dc-radius-sm);
  background: #12151c;
  border: 1px solid var(--dc-line);
}

.pdf-item--image {
  grid-template-columns: 48px 1fr auto;
}

.pdf-item__actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pdf-item__actions .dc-btn {
  padding: 0.4rem 0.55rem;
  min-width: 0;
}

@media (max-width: 560px) {
  .pdf-item,
  .pdf-item--image {
    grid-template-columns: 40px 1fr;
  }

  .pdf-item__actions {
    grid-column: 1 / -1;
    justify-content: stretch;
  }

  .pdf-item__actions .dc-btn {
    flex: 1;
  }
}

/* Podpis — workspace */
.pdf-sign-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  align-items: flex-end;
}

.pdf-range {
  width: 100%;
  min-width: 140px;
  accent-color: var(--dc-brand);
}

.pdf-sign-stage-wrap {
  overflow: auto;
  max-height: min(72vh, 820px);
  border: 1px solid var(--dc-line);
  border-radius: var(--dc-radius);
  background: #0e1117;
  padding: 1rem;
}

.pdf-sign-stage {
  position: relative;
  display: inline-block;
  max-width: 100%;
  line-height: 0;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

.pdf-sign-stage canvas {
  display: block;
  max-width: 100%;
  height: auto;
  background: #fff;
}

.pdf-stamp {
  position: absolute;
  left: 40px;
  top: 40px;
  width: 160px;
  cursor: grab;
  touch-action: none;
  user-select: none;
  z-index: 2;
  transform-origin: center center;
  border: 1px dashed rgba(59, 130, 246, 0.85);
  background: rgba(59, 130, 246, 0.08);
  box-sizing: border-box;
}

.pdf-stamp.is-dragging {
  cursor: grabbing;
  border-color: var(--dc-brand);
  background: rgba(var(--dc-brand-rgb), 0.12);
}

.pdf-stamp img {
  display: block;
  width: 100%;
  height: auto;
  pointer-events: none;
  -webkit-user-drag: none;
}

.pdf-sign-tip {
  margin: 0;
}

.pdf-busy {
  opacity: 0.65;
  pointer-events: none;
}