/**
 * 文章列表样式 - 现代列表设计
 *
 * @package Zhangbangbang
 * @since 1.0.0
 */

/* ==========================================================================
   Posts List Container
   ========================================================================== */
.zbb-posts-list {
    display: flex;
    flex-direction: column;
    gap: var(--zbb-spacing-lg);
}

/* ==========================================================================
   Post List Item - 列表项
   ========================================================================== */
.zbb-post-list-item {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    gap: var(--zbb-spacing-xl);
    padding: var(--zbb-spacing-lg);
    background-color: var(--zbb-white);
    border-radius: var(--zbb-radius-lg);
    box-shadow: var(--zbb-shadow-sm);
    border: 1px solid var(--zbb-gray-200);
    transition: all var(--zbb-transition-base);
}

.zbb-post-list-item:hover {
    box-shadow: 0 8px 30px rgba(26, 95, 180, 0.12);
    border-color: var(--zbb-primary);
    transform: translateY(-2px);
}

/* ==========================================================================
   Post Thumbnail - 缩略图
   ========================================================================== */
.zbb-post-list-thumbnail {
    flex-shrink: 0;
    width: 280px;
    height: 180px;
    border-radius: var(--zbb-radius-md);
    overflow: hidden;
    position: relative;
    background-color: var(--zbb-gray-100);
}

.zbb-post-list-thumbnail a {
    display: block;
    width: 100%;
    height: 100%;
}

.zbb-post-list-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--zbb-transition-slow);
}

.zbb-post-list-item:hover .zbb-post-list-thumbnail img {
    transform: scale(1.05);
}

/* Placeholder for posts without thumbnail */
.zbb-post-list-thumbnail .zbb-thumbnail-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--zbb-gray-100) 0%, var(--zbb-gray-200) 100%);
    color: var(--zbb-gray-400);
    font-size: 2.5rem;
}

/* Category Badge on Thumbnail */
.zbb-post-list-thumbnail .zbb-post-category {
    position: absolute;
    top: var(--zbb-spacing-sm);
    left: var(--zbb-spacing-sm);
    z-index: 1;
}

.zbb-post-list-thumbnail .zbb-post-category a {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--zbb-white);
    background-color: var(--zbb-primary);
    border-radius: var(--zbb-radius-sm);
    text-decoration: none;
    transition: background-color var(--zbb-transition-fast);
}

.zbb-post-list-thumbnail .zbb-post-category a:hover {
    background-color: var(--zbb-primary-dark);
}

/* ==========================================================================
   Post Content - 内容区域
   ========================================================================== */
.zbb-post-list-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
    padding: var(--zbb-spacing-xs) 0;
}

/* Post Header */
.zbb-post-list-header {
    margin-bottom: var(--zbb-spacing-sm);
}

.zbb-post-list-title {
    margin: 0 0 var(--zbb-spacing-sm) 0;
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.4;
}

.zbb-post-list-title a {
    color: var(--zbb-gray-900);
    text-decoration: none;
    transition: color var(--zbb-transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zbb-post-list-title a:hover {
    color: var(--zbb-primary);
}

/* Post Meta */
.zbb-post-list-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--zbb-spacing-md);
    font-size: 0.8rem;
    color: var(--zbb-gray-500);
}

.zbb-post-list-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.zbb-post-list-meta i {
    color: var(--zbb-primary);
    font-size: 0.75rem;
}

/* Divider dot */
.zbb-post-list-meta .zbb-meta-divider {
    width: 3px;
    height: 3px;
    background-color: var(--zbb-gray-400);
    border-radius: 50%;
}

/* Post Excerpt */
.zbb-post-list-excerpt {
    flex: 1;
    margin: var(--zbb-spacing-sm) 0;
    font-size: var(--zbb-font-size-sm);
    color: var(--zbb-gray-600);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zbb-post-list-excerpt p {
    margin: 0;
}

/* Post Footer */
.zbb-post-list-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--zbb-spacing-sm);
    padding-top: var(--zbb-spacing-sm);
    border-top: 1px solid var(--zbb-gray-100);
}

/* Tags */
.zbb-post-list-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--zbb-spacing-xs);
}

.zbb-post-list-tags a {
    display: inline-block;
    padding: 3px 10px;
    font-size: 0.75rem;
    color: var(--zbb-gray-600);
    background-color: var(--zbb-gray-100);
    border-radius: var(--zbb-radius-full);
    text-decoration: none;
    transition: all var(--zbb-transition-fast);
}

.zbb-post-list-tags a:hover {
    color: var(--zbb-primary);
    background-color: rgba(26, 95, 180, 0.1);
}

/* Read More Link */
.zbb-post-list-readmore {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: var(--zbb-font-size-sm);
    font-weight: 500;
    color: var(--zbb-white);
    background-color: var(--zbb-primary);
    border-radius: var(--zbb-radius-md);
    text-decoration: none;
    transition: all var(--zbb-transition-fast);
    flex-shrink: 0;
}

.zbb-post-list-readmore i {
    font-size: 0.7rem;
    transition: transform var(--zbb-transition-fast);
}

.zbb-post-list-readmore:hover {
    background-color: var(--zbb-primary-dark);
    color: var(--zbb-white);
    transform: translateX(2px);
}

.zbb-post-list-readmore:hover i {
    transform: translateX(3px);
}

/* ==========================================================================
   Featured Post - 置顶/精选文章样式
   ========================================================================== */
.zbb-post-list-item.sticky {
    border-left: 4px solid var(--zbb-secondary);
    background: linear-gradient(135deg, rgba(196, 160, 0, 0.03) 0%, var(--zbb-white) 100%);
}

.zbb-post-list-item.sticky .zbb-post-list-title::before {
    content: '\f005';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-right: var(--zbb-spacing-xs);
    color: var(--zbb-secondary);
    font-size: 0.875rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet */
@media (max-width: 768px) {
    .zbb-post-list-item {
        flex-direction: column;
        gap: var(--zbb-spacing-md);
        padding: var(--zbb-spacing-md);
    }

    .zbb-post-list-thumbnail {
        width: 100%;
        height: 200px;
    }

    .zbb-post-list-title {
        font-size: 1.125rem;
    }

    .zbb-post-list-excerpt {
        -webkit-line-clamp: 3;
    }

    .zbb-post-list-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--zbb-spacing-sm);
    }
}

/* Mobile */
@media (max-width: 480px) {
    .zbb-posts-list {
        gap: var(--zbb-spacing-md);
    }

    .zbb-post-list-item {
        padding: var(--zbb-spacing-sm);
    }

    .zbb-post-list-thumbnail {
        height: 160px;
        border-radius: var(--zbb-radius-sm);
    }

    .zbb-post-list-title {
        font-size: 1rem;
    }

    .zbb-post-list-meta {
        font-size: 0.75rem;
    }

    .zbb-post-list-excerpt {
        font-size: 0.8rem;
    }
}

/* ==========================================================================
   Animation Effects
   ========================================================================== */
.zbb-post-list-item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

.zbb-post-list-item:nth-child(1) { animation-delay: 0.1s; }
.zbb-post-list-item:nth-child(2) { animation-delay: 0.15s; }
.zbb-post-list-item:nth-child(3) { animation-delay: 0.2s; }
.zbb-post-list-item:nth-child(4) { animation-delay: 0.25s; }
.zbb-post-list-item:nth-child(5) { animation-delay: 0.3s; }
.zbb-post-list-item:nth-child(6) { animation-delay: 0.35s; }
.zbb-post-list-item:nth-child(7) { animation-delay: 0.4s; }
.zbb-post-list-item:nth-child(8) { animation-delay: 0.45s; }
.zbb-post-list-item:nth-child(9) { animation-delay: 0.5s; }
.zbb-post-list-item:nth-child(10) { animation-delay: 0.55s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .zbb-post-list-item {
        opacity: 1;
        transform: none;
        animation: none;
    }
}