/* 布局相关样式 */
.layout-wrapper {
  min-height: 100vh;
}

/* 消除 Ant Layout 默认白底，避免顶栏下方看到白边 */
.layout-wrapper .ant-layout { background: transparent; }

/* 顶栏下的主布局容器：固定视口高度，隐藏外层滚动 */
.layout-shell {
  height: calc(100vh - 56px);
  overflow: hidden;
}
.layout-shell .ant-layout { height: 100%; }

/* 侧栏头部区域 */
.sider-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 12px 16px;
  color: #e5e7eb;
}
.sider-title {
  font-weight: 600;
  font-size: 16px;
}
.sider-desc {
  font-size: 12px;
  color: #a3a3a3;
}

/* 主内容区 */
.main-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: auto; /* 仅主内容区滚动 */
  background: var(--bg-app);
}
.content-body {
  flex: 1;
  padding: 32px;
  background: transparent;
  color: var(--text-primary);
  border-radius: 12px;
}

/* 输入面板固定底部 */
.input-panel-wrapper {
  position: sticky;
  bottom: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.5) 0%, rgba(15, 23, 42, 0.9) 40%, rgba(15, 23, 42, 1) 100%);
  backdrop-filter: blur(4px);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 16px 24px 24px 24px;
}

.hint-text {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}

/* 小屏优化：输入区域内边距更紧凑 */
@media (max-width: 768px) {
  .content-body { padding: 16px; border-radius: 0; }
  .input-panel-wrapper { padding: 12px 12px 16px 12px; }
}