/* Dpz.Core.Web/wwwroot/css/article.css - Modern Article Styles */

/* ==========================================================================
   Article Grid Layout
   ========================================================================== */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .article-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* ==========================================================================
   Article Card - Modern Design
   ========================================================================== */
.article-card {
    background-color: var(--color-bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    height: 100%;
}

@media (prefers-color-scheme: dark) {
    .article-card {
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        border-color: rgba(var(--color-border-rgb), 0.3);
    }
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border-color: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
    .article-card:hover {
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    }
}

/* Cover Image */
.article-card__cover {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--color-bg-surface-alt);
}

.article-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-card__cover img.lazy:not(.loaded) {
    object-fit: scale-down;
    padding: var(--spacing-lg);
}

.article-card:hover .article-card__cover img {
    transform: scale(1.08);
}

/* Content Area */
.article-card__content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* Meta Information */
.article-card__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.article-card__meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.article-card__meta i {
    font-size: 0.9em;
}

/* Title */
.article-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 var(--spacing-sm) 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card__title a {
    color: var(--color-text-main);
    text-decoration: none;
    background-image: linear-gradient(to right, var(--color-primary), var(--color-primary));
    background-position: 0 100%;
    background-repeat: no-repeat;
    background-size: 0 2px;
    transition: background-size var(--transition-normal), color var(--transition-fast);
    display: inline;
    padding-bottom: 2px;
}

.article-card__title a:hover {
    color: var(--color-primary);
    background-size: 100% 2px;
}

/* Excerpt */
.article-card__excerpt {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.article-card__excerpt > * {
    display: inline;
    margin: 0;
    padding: 0;
}

.article-card__excerpt img,
.article-card__excerpt video,
.article-card__excerpt audio,
.article-card__excerpt table,
.article-card__excerpt pre,
.article-card__excerpt code,
.article-card__excerpt blockquote {
    display: none;
}

/* Footer */
.article-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    margin-top: auto;
    border-top: 1px solid var(--color-border);
    gap: var(--spacing-sm);
}

/* Tags */
.article-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    flex: 1;
    min-width: 0;
}

.article__tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    background-color: var(--color-bg-surface-alt);
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.article__tag:hover {
    background-color: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* Stats */
.article-card__stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    flex-shrink: 0;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
}

/* ==========================================================================
   Article Read Page
   ========================================================================== */
.article-read {
    background-color: var(--color-bg-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
    .article-read {
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        border-color: rgba(var(--color-border-rgb), 0.3);
    }
}

/* Article Header */
.article-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.article-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-text-main);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.article-meta {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.article-meta__item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* Article Introduction Quote */
.article-intro {
    position: relative;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-xl) var(--spacing-xl);
    background-color: transparent;
    border-left: none;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    font-style: italic;
}

.article-intro::before {
    content: '"';
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 700;
    font-style: normal;
    position: absolute;
    left: 0;
    top: -0.2em;
    font-size: 6rem;
    line-height: 1;
    color: var(--color-primary);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.article-intro::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--color-primary), transparent);
    border-radius: 2px;
}

@media (prefers-color-scheme: dark) {
    .article-intro::before {
        opacity: 0.2;
    }
}

.article-intro p {
    margin-bottom: 0.75em;
    position: relative;
    z-index: 1;
}

.article-intro p:last-child {
    margin-bottom: 0;
}

/* Article Content */
.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-main);
}

.article-content h1,
.article-content h2,
.article-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: -0.01em;
}

.article-content p {
    margin-bottom: var(--spacing-md);
}

.article-content img {
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
}

@media (prefers-color-scheme: dark) {
    .article-content img {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
}

.article-content pre {
    background-color: #1e293b;
    color: #e2e8f0;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.article-content code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    background-color: var(--color-bg-surface-alt);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    border: 1px solid var(--color-border);
}

.article-content pre code {
    background-color: transparent;
    padding: 0;
    border: none;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
    .article-read {
        padding: var(--spacing-lg);
        border-radius: var(--radius-md);
    }

    .article-header {
        margin-bottom: var(--spacing-lg);
        padding-bottom: var(--spacing-md);
    }

    .article-title {
        font-size: 1.75rem;
    }

    .article-meta {
        gap: var(--spacing-md);
        font-size: 0.85rem;
    }

    .article-intro {
        padding: var(--spacing-lg) var(--spacing-md);
        margin: var(--spacing-lg) 0;
        font-size: 1rem;
    }

    .article-intro::before {
        font-size: 4.5rem;
        top: -0.15em;
    }

    .article-intro::after {
        width: 40px;
        height: 2px;
    }

    .article-content {
        font-size: 1rem;
        line-height: 1.7;
    }

    .article-content h1,
    .article-content h2,
    .article-content h3 {
        margin-top: var(--spacing-lg);
    }

    .article-card__content {
        padding: var(--spacing-md);
    }

    .article-card__title {
        font-size: 1.1rem;
    }

    .article-card__excerpt {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
    }

    .article-card__footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .article-card__stats {
        width: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 420px) {
    .article-meta__item:nth-child(n+3) {
        display: none;
    }

    .article-card__tags {
        max-width: 100%;
        overflow: hidden;
    }

    /* 只在文章卡片中隐藏多余标签，不影响标签云 widget */
    .article-card__tags .article__tag:nth-child(n+3) {
        display: none;
    }
}