/* === Conversation History Timeline === */
.conversation-history {
  border-left: 2px solid var(--border-primary);
  padding: 0 0 0 12px;
  margin: 0 0 16px;
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.conversation-entry {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

.conversation-entry-question {
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  line-height: 1.45;
}

.conversation-entry-question-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-secondary) 80%, transparent);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.conversation-entry-response {
  border: 1px solid var(--border-primary);
  border-radius: 8px;
  background: var(--bg-secondary);
  padding: 8px 10px;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  line-height: 1.45;
}

.conversation-entry-thinking {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.conversation-entry-thinking pre {
  margin: 0;
  border: 1px solid var(--border-primary);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg-secondary) 88%, transparent);
  padding: 10px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.conversation-thinking-toggle {
  min-height: 44px;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-primary);
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.conversation-thinking-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.conversation-thinking-toggle:focus-visible {
  outline: 2px solid var(--todo);
  outline-offset: 2px;
}

.conversation-separator {
  border-top: 1px solid var(--border-primary);
  margin: 4px 0 16px;
}

@media (max-width: 768px) {
  .conversation-history {
    max-height: 220px;
    margin-bottom: 12px;
    padding-left: 10px;
  }

  .conversation-entry-question,
  .conversation-entry-response {
    font-size: 14px;
  }

  .conversation-thinking-toggle {
    width: 100%;
    justify-content: center;
    min-height: 36px;
  }
}