.assistant-page {
  display: flex;
  gap: 30px;
  margin-top: 40px;
  align-items: flex-start;
}

.assistant-sidebar {
  width: 350px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.item-picker-card {
  text-align: left;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  cursor: pointer;
  transition: all 0.2s var(--ease);
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.item-picker-card:hover {
  border-color: var(--green2);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.item-picker-card.active {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green);
}

.item-picker-title {
  display: block;
  font-size: 16px;
  margin-bottom: 4px;
}

.item-picker-meta {
  display: block;
  font-size: 13px;
  color: var(--muted);
}

.assistant-chat-area {
  flex: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  background: var(--white);
  min-height: 600px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

@media (max-width: 900px) {
  .assistant-page {
    flex-direction: column;
  }
  .assistant-sidebar {
    width: 100%;
  }
  .assistant-chat-area {
    min-height: 400px;
  }
}