/* ============================================================
   Blog 页面样式
   ============================================================ */

.blog-container {
    padding: 32px 24px 64px;
}

.blog-title-section {
    margin-bottom: 24px;
}

.blog-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary, #111827);
    margin: 0;
}

/* ===== 分类标签 ===== */
.blog-category-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.blog-category-track {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 4px 0;
}

.blog-category-track::-webkit-scrollbar {
    display: none;
}

.blog-category-chip {
    flex: 0 0 auto;
    padding: 8px 20px;
    border-radius: 50px;
    background: var(--bg-card, #ffffff);
    color: var(--text-secondary, #475569);
    border: 1px solid var(--border-primary, #E2E8F0);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.blog-category-chip:hover {
    border-color: var(--color-primary, #0DC46C);
    color: var(--color-primary, #0DC46C);
}

.blog-category-chip.is-active {
    background: var(--color-primary, #0DC46C);
    color: #fff;
    border-color: var(--color-primary, #0DC46C);
}

/* ===== 文章网格 ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 1024px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .blog-grid { grid-template-columns: 1fr; }
}

/* ===== 文章卡片 ===== */
.blog-card {
    background: var(--bg-card, #ffffff);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-primary, #E2E8F0);
    transition: box-shadow 0.2s, transform 0.2s;
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.blog-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.blog-card__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    background: var(--bg-card3, #f0f2f4);
}

.blog-card__body {
    padding: 16px 20px 20px;
}

.blog-card__category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary, #0DC46C);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.blog-card__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary, #111827);
    margin: 0 0 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card__excerpt {
    font-size: 14px;
    color: var(--text-secondary, #64748B);
    line-height: 1.6;
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-tertiary, #94A3B8);
}

.blog-card__meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ===== 骨架屏 ===== */
.blog-skeleton {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 1024px) {
    .blog-skeleton { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .blog-skeleton { grid-template-columns: 1fr; }
}

.blog-skeleton-card {
    position: relative;
    aspect-ratio: 0.85;
    border-radius: 12px;
    background: var(--bg-card3, #f0f2f4);
    overflow: hidden;
}

[data-theme="dark"] .blog-skeleton-card {
    background: var(--bg-card, #272E33);
}

.blog-skeleton-card__shimmer {
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: blogShimmer 1.2s ease-in-out infinite;
}

[data-theme="dark"] .blog-skeleton-card__shimmer {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

@keyframes blogShimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ===== 加载更多 ===== */
.blog-sentinel {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 32px 0;
    color: var(--text-secondary, #64748B);
    font-size: 14px;
}

.blog-sentinel__spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-primary, #E2E8F0);
    border-top-color: var(--color-primary, #0DC46C);
    border-radius: 50%;
    animation: blogSpin 0.8s linear infinite;
}

@keyframes blogSpin {
    to { transform: rotate(360deg); }
}

/* ===== 空状态 ===== */
.blog-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-secondary, #64748B);
    font-size: 16px;
}

/* ===== 详情页 ===== */
.blog-detail {
    padding: 40px 24px 80px;
}

.blog-detail-header {
    margin-bottom: 32px;
}

.blog-detail-header__category {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary, #0DC46C);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.blog-detail-header__title {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary, #111827);
    margin: 0 0 16px;
    line-height: 1.3;
}

.blog-detail-header__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--text-secondary, #64748B);
}

.blog-detail-header__cover {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 32px;
    max-height: 480px;
    object-fit: cover;
}

.blog-detail-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary, #111827);
}

.blog-detail-body h1,
.blog-detail-body h2,
.blog-detail-body h3 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    font-weight: 700;
}

.blog-detail-body p {
    margin-bottom: 1em;
}

.blog-detail-body img {
    max-width: 100%;
    border-radius: 8px;
}

.blog-detail-body a {
    color: var(--color-primary, #0DC46C);
}

.blog-detail-body ul,
.blog-detail-body ol {
    padding-left: 1.5em;
    margin-bottom: 1em;
}

.blog-detail-body blockquote {
    border-left: 4px solid var(--color-primary, #0DC46C);
    padding-left: 16px;
    margin: 1em 0;
    color: var(--text-secondary, #64748B);
}

/* 详情骨架屏 */
.blog-detail-skeleton__title {
    width: 60%;
    height: 32px;
    background: var(--bg-card3, #f0f2f4);
    border-radius: 6px;
    margin-bottom: 16px;
}

.blog-detail-skeleton__meta {
    width: 40%;
    height: 16px;
    background: var(--bg-card3, #f0f2f4);
    border-radius: 4px;
    margin-bottom: 24px;
}

.blog-detail-skeleton__image {
    width: 100%;
    height: 300px;
    background: var(--bg-card3, #f0f2f4);
    border-radius: 12px;
    margin-bottom: 24px;
}

.blog-detail-skeleton__text {
    width: 100%;
    height: 16px;
    background: var(--bg-card3, #f0f2f4);
    border-radius: 4px;
    margin-bottom: 12px;
}

[data-theme="dark"] .blog-detail-skeleton__title,
[data-theme="dark"] .blog-detail-skeleton__meta,
[data-theme="dark"] .blog-detail-skeleton__image,
[data-theme="dark"] .blog-detail-skeleton__text {
    background: var(--bg-card, #272E33);
}