/**
 * 面包屑导航组件样式
 * 提供现代化、响应式的面包屑导航样式
 */

/* 基础容器样式 */
.aee-breadcrumb {
    font-family: inherit;
    line-height: 1.5;
    margin: 0;
    padding: 0;
}

/* 面包屑列表样式 */
.aee-breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

/* 面包屑项目样式 */
.aee-breadcrumb-item {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    line-height: inherit;
}

/* 面包屑链接样式 */
.aee-breadcrumb a {
    color: #007cba;
    text-decoration: none;
    transition: color 0.3s ease, text-decoration 0.3s ease;
    word-break: break-word;
    hyphens: auto;
}

.aee-breadcrumb a:hover {
    color: #005a87;
    text-decoration: underline;
}

.aee-breadcrumb a:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
    border-radius: 2px;
}

/* 当前页面样式 */
.aee-breadcrumb-current {
    color: #333333;
    font-weight: bold;
    word-break: break-word;
    hyphens: auto;
}

/* 分隔符样式 */
.aee-breadcrumb-separator {
    color: #666666;
    margin: 0 10px;
    user-select: none;
    flex-shrink: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .aee-breadcrumb-list {
        font-size: 14px;
    }
    
    .aee-breadcrumb-separator {
        margin: 0 8px;
    }
    
    /* 在小屏幕上允许换行 */
    .aee-breadcrumb-item {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .aee-breadcrumb-list {
        font-size: 13px;
    }
    
    .aee-breadcrumb-separator {
        margin: 0 6px;
    }
    
    /* 超小屏幕优化 */
    .aee-breadcrumb-item {
        flex-basis: auto;
        min-width: 0;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .aee-breadcrumb a {
        color: #0000EE;
        text-decoration: underline;
    }
    
    .aee-breadcrumb a:hover {
        color: #0000CC;
    }
    
    .aee-breadcrumb-current {
        color: #000000;
    }
    
    .aee-breadcrumb-separator {
        color: #000000;
    }
}

/* 减少动画偏好支持 */
@media (prefers-reduced-motion: reduce) {
    .aee-breadcrumb a {
        transition: none;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .aee-breadcrumb a {
        color: #4A9EFF;
    }
    
    .aee-breadcrumb a:hover {
        color: #6BB6FF;
    }
    
    .aee-breadcrumb-current {
        color: #FFFFFF;
    }
    
    .aee-breadcrumb-separator {
        color: #CCCCCC;
    }
}

/* 打印样式 */


/* RTL语言支持 */
.rtl .aee-breadcrumb-list {
    direction: rtl;
}

.rtl .aee-breadcrumb-separator {
    transform: scaleX(-1);
}

/* 可访问性增强 */
.aee-breadcrumb [aria-current="page"] {
    font-weight: bold;
}

/* 聚焦指示器 */
.aee-breadcrumb a:focus-visible {
    outline: 2px solid #007cba;
    outline-offset: 2px;
    border-radius: 2px;
}

/* 键盘导航支持 */
.aee-breadcrumb a:focus:not(:focus-visible) {
    outline: none;
}

/* 长文本处理 */
.aee-breadcrumb-item {
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* 自定义主题变量支持 */
.aee-breadcrumb {
    --aee-breadcrumb-link-color: #007cba;
    --aee-breadcrumb-link-hover-color: #005a87;
    --aee-breadcrumb-current-color: #333333;
    --aee-breadcrumb-separator-color: #666666;
    --aee-breadcrumb-separator-spacing: 10px;
}

.aee-breadcrumb a {
    color: var(--aee-breadcrumb-link-color);
}

.aee-breadcrumb a:hover {
    color: var(--aee-breadcrumb-link-hover-color);
}

.aee-breadcrumb-current {
    color: var(--aee-breadcrumb-current-color);
}

.aee-breadcrumb-separator {
    color: var(--aee-breadcrumb-separator-color);
    margin: 0 var(--aee-breadcrumb-separator-spacing);
}

/* 动画效果 */
.aee-breadcrumb-item {
    animation: aee-breadcrumb-fade-in 0.3s ease-in-out;
}

@keyframes aee-breadcrumb-fade-in {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 禁用动画的情况 */
@media (prefers-reduced-motion: reduce) {
    .aee-breadcrumb-item {
        animation: none;
    }
}

/* 特殊状态样式 */
.aee-breadcrumb.aee-breadcrumb--loading {
    opacity: 0.6;
    pointer-events: none;
}

.aee-breadcrumb.aee-breadcrumb--error {
    color: #d63638;
}

/* 图标支持 */
.aee-breadcrumb-item .aee-icon {
    margin-right: 5px;
    vertical-align: middle;
    width: 1em;
    height: 1em;
    display: inline-block;
}

.rtl .aee-breadcrumb-item .aee-icon {
    margin-right: 0;
    margin-left: 5px;
}

/* 结构化数据隐藏 */
.aee-breadcrumb [itemprop="position"] {
    display: none;
}

/* 自定义分隔符样式 */
.aee-breadcrumb-separator.aee-separator--arrow::before {
    content: "→";
}

.aee-breadcrumb-separator.aee-separator--chevron::before {
    content: "›";
}

.aee-breadcrumb-separator.aee-separator--slash::before {
    content: "/";
}

.aee-breadcrumb-separator.aee-separator--pipe::before {
    content: "|";
}

.aee-breadcrumb-separator.aee-separator--dot::before {
    content: "•";
}

/* 悬停效果增强 */
.aee-breadcrumb a {
    position: relative;
    overflow: hidden;
}

.aee-breadcrumb a::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: currentColor;
    transition: width 0.3s ease;
}

.aee-breadcrumb a:hover::before {
    width: 100%;
}

@media (prefers-reduced-motion: reduce) {
    .aee-breadcrumb a::before {
        transition: none;
    }
}

/* 移动端触摸优化 */
@media (hover: none) and (pointer: coarse) {
    .aee-breadcrumb a {
        padding: 8px 4px;
        margin: -8px -4px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .aee-breadcrumb-separator {
        margin: 0 12px;
    }
}

/* 高密度显示器优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .aee-breadcrumb {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}