/**
 * 侧边栏组件样式 (Sidebar Component)
 * @version 1.0.0
 * @description 产品分类导航 + 推荐产品 + 最新新闻
 * @updated 2026-01-04
 */

/* ============================================
   侧边栏容器
   ============================================ */
.sidebar {
    width: 280px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ============================================
   通用头部样式
   ============================================ */
.sidebar__header {
    background: linear-gradient(135deg, var(--color-primary), #d17e0a);
    padding: 20px 24px;
    border-radius: 8px 8px 0 0;
}

.sidebar__title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 1px;
}

.sidebar__subtitle {
    display: block;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 4px;
}

/* ============================================
   产品分类导航
   ============================================ */
.sidebar__nav {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.sidebar__menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar__item {
    border-bottom: 1px solid #f0f0f0;
}

.sidebar__item:last-child {
    border-bottom: none;
}

.sidebar__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.sidebar__link:hover {
    background: rgba(232, 149, 19, 0.08);
    color: var(--color-primary);
}

.sidebar__link span {
    flex: 1;
}

.sidebar__link svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

/* 激活状态 */
.sidebar__item.is-active > .sidebar__link {
    background: rgba(232, 149, 19, 0.1);
    color: var(--color-primary);
    font-weight: 600;
}

.sidebar__item.is-active > .sidebar__link svg,
.sidebar__item.is-open > .sidebar__link svg {
    transform: rotate(90deg);
}

/* 防止初始化弹跳 - 同时禁用箭头和菜单过渡 */
.sidebar__nav.is-initializing .sidebar__submenu,
.sidebar__nav.is-initializing .sidebar__link svg {
    transition: none !important;
}

/* 二级菜单 */
.sidebar__submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    background: #fafafa;
    transition: max-height 0.3s ease;
}

.sidebar__item.is-open .sidebar__submenu,
.sidebar__item.is-active .sidebar__submenu {
    max-height: 500px;
}

.sidebar__submenu li {
    border-top: 1px solid #f0f0f0;
}

.sidebar__submenu a {
    display: block;
    padding: 12px 20px 12px 36px;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
}

.sidebar__submenu a::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ddd;
    transition: background 0.3s ease;
}

.sidebar__submenu a:hover {
    color: var(--color-primary);
    background: rgba(232, 149, 19, 0.05);
}

.sidebar__submenu a:hover::before {
    background: var(--color-primary);
}

.sidebar__submenu a.is-active {
    color: var(--color-primary);
    font-weight: 600;
}

.sidebar__submenu a.is-active::before {
    background: var(--color-primary);
}

/* ============================================
   推荐产品/通用Widget
   ============================================ */
.sidebar__widget {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

/* 推荐产品网格 */
.sidebar__products {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 16px;
}

.sidebar__product {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    border-radius: 6px;
    overflow: hidden;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.sidebar__product:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sidebar__product img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
}

.sidebar__product span {
    padding: 10px 8px;
    font-size: 13px;
    color: var(--color-text);
    text-align: center;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar__product:hover span {
    color: var(--color-primary);
}

/* ============================================
   最新新闻列表
   ============================================ */
.sidebar__news {
    list-style: none;
    margin: 0;
    padding: 16px 20px;
}

.sidebar__news li {
    padding: 12px 0;
    border-bottom: 1px dashed #eee;
}

.sidebar__news li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sidebar__news li:first-child {
    padding-top: 0;
}

.sidebar__news a {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.sidebar__news a::before {
    content: '';
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    margin-top: 7px;
    border-radius: 50%;
    background: var(--color-primary);
}

.sidebar__news a:hover {
    color: var(--color-primary);
}

/* 响应式样式已迁移至 responsive.css */

/* ============================================
   入场动画 (已禁用 - 默认可见)
   ============================================ */
.sidebar__nav,
.sidebar__widget {
    opacity: 1;
    transform: translateX(0);
}