.imitation-frame {
  width: 100%;
  max-width: 640px;
  display: flex;
  justify-content: center;
}

.imitation-screen {
  width: 100%;
  background: #14141f;
  border: 1px solid #26263a;
  border-radius: 10px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.imitation-screen[hidden] {
  display: none;
}

.imitation-status {
  font-size: 1rem;
  color: #f2f2f8;
}

.imitation-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid #26263a;
  border-top-color: #2de2ff;
  border-radius: 50%;
  animation: imitation-spin 0.9s linear infinite;
}

@keyframes imitation-spin {
  to { transform: rotate(360deg); }
}

.imitation-chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #9a9ab0;
}

.imitation-log {
  height: 320px;
  overflow-y: auto;
  border: 1px solid #26263a;
  border-radius: 8px;
  background: #0b0b12;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.imitation-msg {
  max-width: 80%;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.4;
  word-break: break-word;
}

.imitation-msg--me {
  align-self: flex-end;
  background: #1a8fa8;
  color: #f2f2f8;
}

.imitation-msg--them {
  align-self: flex-start;
  background: #26263a;
  color: #f2f2f8;
}

.imitation-msg--system {
  align-self: center;
  background: none;
  color: #9a9ab0;
  font-style: italic;
  font-size: 0.8rem;
}

.imitation-input-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.imitation-input-row input {
  flex: 1;
  background: #0b0b12;
  color: #f2f2f8;
  border: 1px solid #3a3a52;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  font-family: inherit;
  font-size: 0.9rem;
}

.imitation-guess-buttons {
  display: flex;
  gap: 1rem;
}

/* Bare popup chat window (opened for both human and AI matches, kept
   deliberately free of any cabinet chrome so the two cases look as close
   to each other as possible). */
body.imitation-popup {
  margin: 0;
  height: 100vh;
  background: #0b0b12;
  color: #f2f2f8;
  font-family: 'Courier New', monospace;
  display: flex;
  flex-direction: column;
  padding: 0.75rem;
  gap: 0.5rem;
}

body.imitation-popup .imitation-log {
  flex: 1;
  height: auto;
}