/* PDF Flatten — tool-specific */
.page { padding: 40px 20px; max-width: 720px; 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-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; }

.file-info {
  background: #0d0d0d; border: 1px solid #2a2a2a;
  padding: 12px; border-radius: 6px; margin-bottom: 16px;
  font-size: 13px; color: #ccc;
}
.file-info .filename { color: #fff; font-family: 'SF Mono', monospace; }
.file-info .field-list { margin-top: 8px; color: #888; font-size: 12px; }

.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.error { color: #ff6666; }
.status-msg.busy { color: #ffa726; }

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