/* ==========================================================================
   组件：标签页 (Tabs)
   ========================================================================== */

.zuoekai-tabs {
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* --- 按钮内容布局 (Icon + Label) --- */
.zuoekai-tabs__button-content {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* --- 尺寸：紧凑 (Compact) --- */
.zuoekai-tabs--compact .zuoekai-tabs__item,
.zuoekai-tabs--compact .zuoekai-tabs__button {
  padding: 8px 12px;
  font-size: 13px;
}

.zuoekai-tabs--compact .zuoekai-tabs__icon,
.zuoekai-tabs--compact .zuoekai-tabs__button svg {
  width: 14px;
  height: 14px;
}

/* --- 布局：允许换行 (Wrap) --- */
.zuoekai-tabs--wrap .zuoekai-tabs__nav,
.zuoekai-tabs--wrap .zuoekai-tabs__list {
  flex-wrap: wrap;
  overflow-x: visible;
}

/* --- 布局：强制横向滚动 (Scroll/NoWrap) --- */
.zuoekai-tabs--scroll .zuoekai-tabs__nav,
.zuoekai-tabs--scroll .zuoekai-tabs__list {
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* --- 变体：品牌渐变 Pills (Brand Pills) --- */
.zuoekai-tabs--brand-pills > .zuoekai-tabs__nav,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list {
  border-bottom: none;
  gap: 8px;
  background: var(--zuoekai-color-surface-panel);
  border-radius: var(--zuoekai-radius-lg);
}

.zuoekai-tabs--brand-pills > .zuoekai-tabs__nav > .zuoekai-tabs__item,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__button,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item > .zuoekai-tabs__button {
  border-radius: var(--zuoekai-radius-md);
}

.zuoekai-tabs--brand-pills > .zuoekai-tabs__nav > .zuoekai-tabs__item:hover:not(.zuoekai-tabs__item--disabled),
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item:hover:not(.zuoekai-tabs__item--disabled),
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__button:hover,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item > .zuoekai-tabs__button:hover {
  background-color: var(--zuoekai-color-surface-hover);
}

.zuoekai-tabs--brand-pills > .zuoekai-tabs__nav > .zuoekai-tabs__item--active,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item--active,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__button.z-tab-active,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__button[aria-selected="true"],
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item > .zuoekai-tabs__button.z-tab-active,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item > .zuoekai-tabs__button[aria-selected="true"] {
  background-image: var(--zuoekai-gradient-primary, linear-gradient(135deg, var(--zuoekai-color-brand-500), var(--zuoekai-color-brand-700)));
  color: #ffffff;
  box-shadow: var(--zuoekai-primary-shadow, 0 4px 15px rgba(118, 75, 162, 0.3));
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.zuoekai-tabs--brand-pills > .zuoekai-tabs__nav > .zuoekai-tabs__item--active:hover,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item--active:hover,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__button.z-tab-active:hover,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__button[aria-selected="true"]:hover,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item > .zuoekai-tabs__button.z-tab-active:hover,
.zuoekai-tabs--brand-pills > .zuoekai-tabs__list > .zuoekai-tabs__item > .zuoekai-tabs__button[aria-selected="true"]:hover {
  box-shadow: var(--zuoekai-primary-shadow-hover, 0 6px 20px rgba(118, 75, 162, 0.4));
  transform: translateY(-1px);
}

/* --- 兼容旧/模板结构：list/button 命名 --- */
.zuoekai-tabs__list {
  display: flex;
  position: relative;
  gap: 2px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--zuoekai-color-border);
}

.zuoekai-tabs__list::-webkit-scrollbar {
  display: none;
}

.zuoekai-tabs__button {
  position: relative;
  display: flex;
  flex: none;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--zuoekai-color-text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
  user-select: none;
}

.zuoekai-tabs__button:hover {
  color: var(--zuoekai-color-text);
}

.zuoekai-tabs__button svg {
  width: 16px;
  height: 16px;
  flex: none;
}

.zuoekai-tabs__button.z-tab-active,
.zuoekai-tabs__button[aria-selected="true"] {
  color: var(--zuoekai-color-brand-600);
  font-weight: 600;
}

.zuoekai-tabs--underline .zuoekai-tabs__button::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: transparent;
  transition: background-color 0.2s ease;
}

.zuoekai-tabs--underline .zuoekai-tabs__button.z-tab-active::after,
.zuoekai-tabs--underline .zuoekai-tabs__button[aria-selected="true"]::after {
  background-color: var(--zuoekai-color-brand-600);
}

/* --- 导航区域 --- */
.zuoekai-tabs__nav {
  display: flex;
  position: relative;
  gap: 2px;
  flex-wrap: nowrap;
  overflow-x: auto; /* 支持移动端横滑 */
  scrollbar-width: none; /* Firefox 隐藏滚动条 */
  border-bottom: 1px solid var(--zuoekai-color-border);
}

.zuoekai-tabs__nav::-webkit-scrollbar {
  display: none; /* Chrome/Safari 隐藏滚动条 */
}

/* --- 标签项 (基础) --- */
.zuoekai-tabs__item {
  position: relative;
  display: flex;
  flex: none;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--zuoekai-color-text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
  user-select: none;
}

.zuoekai-tabs__item:hover:not(.zuoekai-tabs__item--disabled) {
  color: var(--zuoekai-color-text);
}

.zuoekai-tabs__item--active {
  color: var(--zuoekai-color-brand-600);
  font-weight: 600;
}

.zuoekai-tabs__item--disabled {
  color: var(--zuoekai-color-text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

.zuoekai-tabs__icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --- 变体：下划线风格 (Underline - 默认) --- */
.zuoekai-tabs--underline .zuoekai-tabs__item::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: transparent;
  transition: background-color 0.2s ease;
}

.zuoekai-tabs--underline .zuoekai-tabs__item--active::after {
  background-color: var(--zuoekai-color-brand-600);
}

/* --- 变体：胶囊风格 (Pills) --- */
.zuoekai-tabs--pills .zuoekai-tabs__nav {
  border-bottom: none;
  gap: 8px;
}

.zuoekai-tabs--pills .zuoekai-tabs__item {
  border-radius: var(--zuoekai-radius-md);
  padding: 8px 16px;
}

.zuoekai-tabs--pills .zuoekai-tabs__item:hover:not(.zuoekai-tabs__item--disabled) {
  background-color: var(--zuoekai-color-surface-hover);
}

.zuoekai-tabs--pills .zuoekai-tabs__item--active {
  background-color: var(--zuoekai-color-action-hover-bg);
  color: var(--zuoekai-color-brand-600);
}

/* 暗色模式下的 Pills Active */
[data-zuoekai-mode="dark"] .zuoekai-tabs--pills .zuoekai-tabs__item--active {
  background-color: var(--zuoekai-color-action-hover-bg);
  color: var(--zuoekai-color-brand-500);
}

/* --- 变体：卡片风格 (Cards) --- */
.zuoekai-tabs--cards .zuoekai-tabs__nav {
  gap: 0;
  background-color: var(--zuoekai-color-surface-panel);
  border-radius: var(--zuoekai-radius-lg) var(--zuoekai-radius-lg) 0 0;
  padding: 4px 4px 0;
}

.zuoekai-tabs--cards .zuoekai-tabs__item {
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--zuoekai-radius-md) var(--zuoekai-radius-md) 0 0;
  margin-bottom: -1px;
}

@media (max-width: 768px) {
  .zuoekai-tabs:not(.zuoekai-tabs--vertical) .zuoekai-tabs__nav,
  .zuoekai-tabs:not(.zuoekai-tabs--vertical) .zuoekai-tabs__list {
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    overscroll-behavior-x: contain;
    padding-bottom: 4px;
  }

  .zuoekai-tabs:not(.zuoekai-tabs--vertical) .zuoekai-tabs__item,
  .zuoekai-tabs:not(.zuoekai-tabs--vertical) .zuoekai-tabs__button {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }
}

.zuoekai-tabs--cards .zuoekai-tabs__item--active {
  background-color: var(--zuoekai-color-surface-page); /* 或 panel 背景 */
  border-color: var(--zuoekai-color-border);
  border-bottom-color: var(--zuoekai-color-surface-page); /* 遮住底边线 */
  color: var(--zuoekai-color-text);
}

/* --- 布局：垂直排列 (Vertical) --- */
.zuoekai-tabs--vertical {
  flex-direction: row;
  min-height: 200px; /* 示例最小高度 */
}

.zuoekai-tabs--vertical .zuoekai-tabs__nav {
  flex-direction: column;
  border-bottom: none;
  border-right: 1px solid var(--zuoekai-color-border);
  min-width: 160px;
  overflow-x: hidden;
  overflow-y: auto;
}

/* 垂直 - 下划线变体适配 (改为左侧线或右侧线) */
.zuoekai-tabs--vertical.zuoekai-tabs--underline .zuoekai-tabs__item::after {
  bottom: 0;
  left: auto;
  right: -1px;
  width: 2px;
  height: 100%;
  top: 0;
}

/* 垂直 - 胶囊变体适配 */
.zuoekai-tabs--vertical.zuoekai-tabs--pills .zuoekai-tabs__nav {
  gap: 4px;
  padding-right: 8px;
  border-right: none;
}

/* --- 内容区域 --- */
.zuoekai-tabs__content {
  flex: 1;
  padding: 16px 0;
}

.zuoekai-tabs--cards .zuoekai-tabs__content {
  padding: 16px;
  border: 1px solid var(--zuoekai-color-border);
  border-top: none;
  background-color: var(--zuoekai-color-surface-page);
  border-radius: 0 0 var(--zuoekai-radius-lg) var(--zuoekai-radius-lg);
}

.zuoekai-tabs--vertical .zuoekai-tabs__content {
  padding: 0 0 0 24px;
}

/* --- 面板 (Pane) --- */
.zuoekai-tabs__pane {
  display: none;
  animation: zuoekai-fade-in 0.2s ease-out;
}

.zuoekai-tabs__pane--active {
  display: block;
}

@keyframes zuoekai-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   响应式适配 - 小屏幕设备
   在 640px 以下，标签页导航默认启用横向滚动，
   缩小字号和内边距以适配窄屏。
   ========================================================================== */
@media (max-width: 640px) {
  /* 小屏幕下导航区默认横向滚动，防止标签溢出 */
  .zuoekai-tabs__nav,
  .zuoekai-tabs__list {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* 隐藏滚动条 */
  .zuoekai-tabs__nav::-webkit-scrollbar,
  .zuoekai-tabs__list::-webkit-scrollbar {
    display: none;
  }

  .zuoekai-tabs__nav,
  .zuoekai-tabs__list {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  /* 缩小标签项的内边距和字号 */
  .zuoekai-tabs__item,
  .zuoekai-tabs__button {
    padding: 8px 12px;
    font-size: 13px;
    white-space: nowrap;
  }

  /* 垂直标签页在小屏幕下改为水平 */
  .zuoekai-tabs--vertical {
    flex-direction: column;
  }

  .zuoekai-tabs--vertical .zuoekai-tabs__nav,
  .zuoekai-tabs--vertical .zuoekai-tabs__list {
    flex-direction: row;
    border-right: none;
    border-bottom: 1px solid var(--zuoekai-color-border);
    width: 100%;
  }

  .zuoekai-tabs--vertical .zuoekai-tabs__content {
    padding: 16px 0 0 0;
  }
}