/* Merge PDF — Tool-specific styles */

.page { padding: 40px 20px; max-width: 900px; margin: 0 auto; }
.page h1 { font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.page .subtitle { color: #888; margin-bottom: 20px; font-size: 14px; }

/* Upload */
.upload-area {
  border: 2px dashed #333; border-radius: 12px;
  text-align: center; cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.upload-area:hover { border-color: #555; background: #0d0d0d; }
.upload-area.dragover { border-color: #ff4444; background: #1a0000; }
.upload-content { padding: 48px 20px; }
.upload-icon { width: 40px; height: 40px; color: #444; margin-bottom: 12px; }
.upload-content p { color: #666; font-size: 14px; margin-bottom: 4px; }
.upload-link { color: #ff4444; cursor: pointer; }
.upload-hint { font-size: 12px; color: #444; }

/* PDFs list */
.pdfs-card { margin-top: 16px; }
.pdfs-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.pdf-card {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  background: #0d0d0d; border: 1px solid #2a2a2a; border-radius: 8px;
  cursor: grab;
  transition: border-color 0.15s, transform 0.15s, opacity 0.15s;
}
.pdf-card:hover { border-color: #444; }
.pdf-card.dragging { opacity: 0.4; cursor: grabbing; }
.pdf-card.drag-over { border-color: #ff4444; transform: scale(1.01); }
.pdf-card-idx {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: #2a0a0a; color: #fff;
  font-weight: 600; font-size: 13px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.pdf-card-icon {
  flex-shrink: 0; color: #888;
}
.pdf-card-icon svg { width: 24px; height: 24px; }
.pdf-card-meta {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 2px;
}
.pdf-card-name {
  color: #eee; font-size: 14px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pdf-card-stat { color: #888; font-size: 12px; }
.pdf-card-remove {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: transparent; color: #888;
  border: 1px solid #333; border-radius: 50%;
  font-size: 16px; line-height: 22px;
  cursor: pointer; padding: 0;
  transition: all 0.15s;
}
.pdf-card-remove:hover { background: #ff4444; color: #fff; border-color: #ff4444; }

/* Summary */
.merge-summary {
  font-size: 13px; color: #888;
  padding: 8px 0 16px;
  text-align: center;
}

/* Action row */
.action-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.status-msg { font-size: 13px; margin-left: 8px; }
.status-msg.ok { color: #4caf50; }
.status-msg.err { color: #ff6666; }

@media (max-width: 600px) {
  .page { padding: 24px 12px; }
  .page h1 { font-size: 22px; }
}