/* Chat word cloud: drop zone and canvas frame */
.wcw-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: 16px;
  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;
}
.wcw-drop.is-over { border-color: #10B981; background: #ffffff; box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12); }
.wcw-drop strong { color: var(--color-heading, #12241f); }
.wcw-or { font-size: 0.8rem; color: var(--gray-500, #889992); }
.wcw-file-label { cursor: pointer; }

.wcw-result { margin-top: 1.6rem; }
.wcw-canvasbox {
  margin-top: 1.2rem;
  border: 1px solid var(--gray-100, #eef2f0);
  border-radius: 16px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 4px 18px rgba(17, 27, 33, 0.06);
}
.wcw-canvasbox canvas { display: block; width: 100%; height: auto; }