/* Chat stats card: drop zone, privacy note, summary, canvas preview */
.csc-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 2rem 1.2rem;
  border: 1.5px dashed rgba(16, 185, 129, 0.25);
  border-radius: 14px;
  background: #fbfdfc;
  text-align: center;
  margin-bottom: 1.2rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.csc-drop.is-over { border-color: #10B981; background: #ffffff; box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12); }
.csc-drop strong { color: var(--color-heading, #12241f); }
.csc-or { font-size: 0.8rem; color: var(--gray-500, #889992); }
.csc-file-label { cursor: pointer; }

.csc-privacy {
  background: rgba(16, 185, 129, 0.08);
  border-left: 3px solid #10B981;
  border-radius: 10px;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  color: var(--color-heading, #12241f);
  margin: 0 0 1.2rem;
}

.csc-summary {
  background: #f4f7f6;
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-size: 0.92rem;
  color: #3d4f49;
  margin-bottom: 1.1rem;
}
.csc-summary.is-error { background: #fdf1f0; color: #8a2f26; }

.csc-preview { text-align: center; margin: 0.6rem 0 1rem; }
.csc-preview canvas {
  width: 320px;
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}