/* 文档工坊：图片转 PDF、PDF 抽页 */

#appTools,
#appPostedit {
  padding: 0 0 40px;
}

.pane-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(24px, 4vw, 54px) 26px;
  border-bottom: 1px solid var(--line);
}

.pane-head-copy {
  min-width: 0;
  max-width: 760px;
}

.pane-title {
  margin: 9px 0 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.5px;
}

.pane-title em {
  color: var(--amber-deep);
  font-style: italic;
}

.pane-copy {
  margin: 11px 0 0;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.7;
}

.pane-action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 1px solid var(--forest);
  border-radius: 10px;
  background: var(--forest);
  color: var(--paper);
  font-size: 13px;
  font-weight: 600;
  transition: background 0.18s ease, transform 0.18s ease;
}

.pane-action:hover {
  background: var(--forest-deep);
  transform: translateY(-1px);
}

.pane-action svg {
  width: 15px;
  height: 15px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 22px;
  padding: 28px clamp(24px, 4vw, 54px) 0;
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.tool-card-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.tool-badge {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border-radius: 9px;
  background: var(--amber-soft);
  color: var(--amber-deep);
  font-family: var(--serif);
  font-size: 12px;
  font-weight: 700;
}

.tool-card-head h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
}

.tool-card-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.tool-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  width: 100%;
  padding: 26px 18px;
  border: 1.5px dashed var(--line-strong);
  border-radius: 12px;
  background: var(--paper-tint);
  color: var(--ink-soft);
  text-align: center;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.tool-drop:hover,
.tool-drop.dragging {
  border-color: var(--amber);
  background: var(--hover-tint);
  color: var(--ink);
}

.tool-drop svg {
  width: 24px;
  height: 24px;
  color: var(--amber-deep);
}

.tool-drop b {
  font-size: 13px;
  font-weight: 600;
}

.tool-drop span {
  color: var(--muted);
  font-size: 11px;
}

.tool-file-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 190px;
  overflow-y: auto;
}

.tool-file-list:empty {
  display: none;
}

.tool-file-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--paper-tint);
}

.tool-file-index {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  border-radius: 6px;
  background: var(--amber);
  color: var(--paper);
  font-size: 10px;
  font-weight: 700;
}

.tool-file-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-file-size {
  flex: 0 0 auto;
  color: var(--faint);
  font-size: 10.5px;
}

.tool-file-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 1px;
}

.tool-file-actions button {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  transition: background 0.15s ease, color 0.15s ease;
}

.tool-file-actions button:hover:not(:disabled) {
  background: var(--paper-deep);
  color: var(--ink);
}

.tool-file-actions button:disabled {
  opacity: 0.28;
  cursor: default;
}

.tool-file-actions svg {
  width: 12px;
  height: 12px;
}

.tool-file-single {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper-tint);
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.65;
}

.tool-file-single b {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-size: 12.5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-file-single span {
  color: var(--muted);
  font-size: 11px;
}

.tool-controls {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.tool-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 150px;
}

.tool-field > span {
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: 0.06em;
}

.tool-field select,
.tool-field input {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--white);
  color: var(--ink);
  font-size: 12.5px;
}

.tool-field select:focus,
.tool-field input:focus {
  outline: none;
  border-color: var(--amber);
}

.tool-primary {
  flex: 0 0 auto;
  padding: 10px 20px;
  border: 1px solid var(--forest);
  border-radius: 9px;
  background: var(--forest);
  color: var(--paper);
  font-size: 12.5px;
  font-weight: 600;
  transition: background 0.18s ease, opacity 0.18s ease;
}

.tool-primary:hover:not(:disabled) {
  background: var(--forest-deep);
}

.tool-primary:disabled {
  opacity: 0.4;
  cursor: default;
}

.tool-textarea {
  width: 100%;
  min-height: 300px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--paper-tint);
  color: var(--ink);
  font-family: var(--ui);
  font-size: 12.5px;
  line-height: 1.75;
  resize: vertical;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.tool-textarea:focus {
  outline: none;
  border-color: var(--amber);
  background: var(--white);
}

.tool-textarea::placeholder {
  color: var(--faint);
}

.tool-hint {
  margin: -6px 0 0;
  color: var(--faint);
  font-size: 11px;
}

.tool-hint.error {
  color: #b0442c;
}

.tool-result {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 13px 14px;
  border: 1px solid rgba(var(--amber-rgb), 0.35);
  border-radius: 11px;
  background: var(--amber-soft);
}

[data-theme="dark"] .tool-result {
  border-color: var(--line-strong);
}

.tool-result-head {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 600;
}

.tool-result-head svg {
  width: 15px;
  height: 15px;
  color: var(--amber-deep);
}

.tool-result p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11.5px;
  line-height: 1.6;
}

.tool-download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 8px 15px;
  border: 1px solid var(--forest);
  border-radius: 8px;
  background: var(--forest);
  color: var(--paper);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
}

.tool-download:hover {
  background: var(--forest-deep);
}

.tool-download svg {
  width: 13px;
  height: 13px;
}

.tool-empty {
  padding: 8px 2px;
  color: var(--faint);
  font-size: 12px;
}

@media (max-width: 760px) {
  .pane-head {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 24px 20px 20px;
  }

  .pane-action {
    justify-content: center;
  }

  .tool-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 20px 20px 0;
  }
}