.ai-chat-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  gap: 0.5rem;
}

.messages-area {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-right: 0.25rem;
}

.welcome-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: #9ca3af;
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem 0.5rem;

  p { margin: 0; }
  .welcome-sub { font-size: 0.75rem; color: #6b7280; font-style: italic; }
}

.msg {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  font-size: 0.85rem;
  line-height: 1.45;
  word-break: break-word;
  white-space: pre-wrap;
}

.msg--user {
  align-self: flex-end;
  max-width: 90%;
  background: #1e3a5f;
  color: #dbeafe;
}

.msg--assistant {
  align-self: flex-start;
  max-width: 95%;
  background: #111827;
  border: 1px solid #1f2937;
  color: #e5e7eb;
}

.msg--streaming {
  opacity: 0.95;
}

.msg-content {
  white-space: pre-wrap;
}

.msg-action {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: 1px dashed #374151;
  color: #9ca3af;
  font-size: 0.7rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;

  &:hover:not(:disabled) {
    border-color: #6c63ff;
    color: #c4bdff;
    background: rgba(108, 99, 255, 0.08);
  }

  &:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
}

.cursor {
  color: #6c63ff;
  animation: blink 1s steps(2) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.error-hint {
  color: #f87171;
  font-size: 0.8rem;
  font-style: italic;
  margin: 0.25rem 0;
}

// ─────────────── Composer ───────────────
.composer {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-top: 1px solid #1f2937;
  padding-top: 0.5rem;
}

.composer-input {
  width: 100%;
  background: #111827;
  border: 1px solid #1f2937;
  color: #e5e7eb;
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  resize: vertical;
  min-height: 50px;

  &:focus { outline: none; border-color: #6c63ff; }
  &:disabled { opacity: 0.7; }
}

.composer-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.45rem;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: none;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
}

.btn-primary  { background: #6c63ff; color: white;   &:hover:not(:disabled) { background: #5b52e0; } &:disabled { opacity: 0.5; cursor: not-allowed; } }
.btn-secondary{ background: #374151; color: #e5e7eb; &:hover { background: #4b5563; } }

.btn-link {
  background: transparent;
  border: none;
  color: #6b7280;
  padding: 0;
  cursor: pointer;
  margin-right: auto;

  &:hover:not(:disabled) { color: #e5e7eb; }
  &:disabled { opacity: 0.4; cursor: not-allowed; }
}