/**
 * Kboke v2.0 视觉升级与新功能样式
 * 资讯门户版 / 阅读进度条 / 专题聚合 / 文章格式徽章（v2.3.161 移除暗色模式残留样式）
 */

/* 平滑主题过渡 */
body, #kboke-header, .kboke-main, .widget, .kboke-feed-card, .single-content {
    transition: background-color .3s ease, color .3s ease, border-color .3s ease;
}

#kboke-header {
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    backdrop-filter: saturate(160%) blur(12px);
}

.kboke-reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 10000;
    background: transparent;
    pointer-events: none;
}
.kboke-reading-progress > span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover));
    box-shadow: 0 0 8px color-mix(in srgb, var(--primary) 50%, transparent);
    transition: width .1s linear;
}

.kboke-portal { padding: 24px 0 40px; }

/* 焦点大图幻灯 */
.kboke-slider {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    background: var(--card-bg, var(--white));
}
.kboke-slider-track { display: flex; transition: transform .5s cubic-bezier(.22,.61,.36,1); }
.kboke-slide {
    position: relative;
    flex: 0 0 100%;
    display: block;
    height: 400px;
    overflow: hidden;
    text-decoration: none;
}
.kboke-slide-img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 6s ease; }
.kboke-slider:hover .kboke-slide-img { transform: scale(1.05); }
.kboke-slide-mask {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.72) 0%, rgba(0,0,0,.15) 45%, transparent 70%);
}
.kboke-slide-caption { position: absolute; left: 28px; right: 28px; bottom: 26px; }
.kboke-slide-cat {
    display: inline-block;
    padding: 3px 12px;
    margin-bottom: 10px;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
}
.kboke-slide-title {
    display: block;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.4;
    text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.kboke-slider-dots { position: absolute; right: 28px; bottom: 20px; display: flex; gap: 8px; z-index: 3; }
.kboke-slider-dots button {
    width: 9px; height: 9px; padding: 0; border: 0; border-radius: 50%;
    background: rgba(255,255,255,.5); cursor: pointer; transition: all .3s ease;
}
.kboke-slider-dots button.is-active { width: 22px; border-radius: 6px; background: #fff; }
.kboke-slider-arrow {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 42px; height: 42px; border: 0; border-radius: 50%;
    background: rgba(0,0,0,.35); color: #fff; font-size: 24px; line-height: 1;
    cursor: pointer; opacity: 0; transition: opacity .3s ease, background .2s ease; z-index: 3;
}
.kboke-slider:hover .kboke-slider-arrow { opacity: 1; }
.kboke-slider-arrow:hover { background: var(--primary); }
.kboke-slider-prev { left: 18px; }
.kboke-slider-next { right: 18px; }

/* 门户主体两栏 */
.kboke-portal-body { display: grid; grid-template-columns: 1fr 320px; gap: 30px; align-items: start; }
.kboke-portal-side { min-width: 0; }

/* 分类信息流 */
.kboke-feed-block { margin-bottom: 34px; }
.kboke-feed-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 16px; padding-left: 12px;
    border-left: 4px solid var(--primary);
}
.kboke-feed-title { font-size: 20px; font-weight: 700; margin: 0; color: var(--text); }
.kboke-feed-more { color: var(--gray); font-size: 13px; text-decoration: none; }
.kboke-feed-more:hover { color: var(--primary); }
.kboke-feed-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.kboke-feed-card {
    background: var(--card-bg, var(--white));
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0,0,0,.05);
    transition: transform .25s ease, box-shadow .25s ease;
}
.kboke-feed-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(0,0,0,.12); }
.kboke-feed-thumb { position: relative; display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--primary-light); }
.kboke-feed-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.kboke-feed-card:hover .kboke-feed-thumb img { transform: scale(1.06); }
.kboke-feed-thumb-ph {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    font-size: 40px; font-weight: 700; color: var(--primary); opacity: .35;
}
.kboke-feed-info { padding: 12px 14px 14px; }
.kboke-feed-post-title { font-size: 15px; line-height: 1.5; margin: 0 0 8px; }
.kboke-feed-post-title a { color: var(--text); text-decoration: none; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kboke-feed-post-title a:hover { color: var(--primary); }
.kboke-feed-meta { display: flex; gap: 12px; font-size: 12px; color: var(--muted); }

/* 热门排行 */
.kboke-ranking-list { list-style: none; margin: 0; padding: 0; counter-reset: none; }
.kboke-ranking-item { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.kboke-ranking-item:last-child { border-bottom: 0; }
.kboke-ranking-num {
    flex: 0 0 22px; height: 22px; border-radius: 6px; text-align: center; line-height: 22px;
    font-size: 12px; font-weight: 700; color: #fff; background: var(--muted);
}
.kboke-ranking-num.is-top { background: linear-gradient(135deg, var(--primary), var(--primary-hover)); }
.kboke-ranking-link { display: flex; flex-direction: column; gap: 3px; min-width: 0; text-decoration: none; }
.kboke-ranking-post-title { color: var(--text); font-size: 14px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kboke-ranking-link:hover .kboke-ranking-post-title { color: var(--primary); }
.kboke-ranking-views { font-size: 11px; color: var(--muted); }

.kboke-sticky-badge {
    display: inline-flex; align-items: center; gap: 3px;
    padding: 2px 9px; border-radius: 999px;
    font-size: 12px; line-height: 1.6; font-weight: 600;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover)); color: #fff;
}
.single-badges { display: flex; gap: 8px; margin-bottom: 12px; }

@media (max-width: 992px) {
    .kboke-portal-body { grid-template-columns: 1fr; }
    .kboke-feed-grid { grid-template-columns: repeat(2, 1fr); }
    .kboke-slide { height: 300px; }
    .kboke-slide-title { font-size: 19px; }
}
@media (max-width: 560px) {
    .kboke-feed-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .kboke-slide { height: 210px; }
    .kboke-slide-title { font-size: 15px; }
    .kboke-slide-caption { left: 16px; right: 16px; bottom: 16px; }
}

main .page-content,
main .kboke-page-single,
main .kboke-page-fullwidth,
main .kboke-fullwidth-content,
main .kboke-template-tags,
main .kboke-template-archives {
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
}

/* ============================================================
   v2.3.434：博客首页「瀑布流」修复
   此前选项输出 .kboke-masonry 死 class 但无任何布局规则（功能失效），
   此处补上 CSS 多列瀑布布局：桌面 2 列 / 大屏 3 列 / 移动端 1 列。
   ============================================================ */
.post-list.kboke-masonry {
    display: block;
    column-count: 2;
    column-gap: 26px;
}
.post-list.kboke-masonry > .post-card {
    display: inline-block;
    width: 100%;
    margin: 0 0 22px;
    vertical-align: top;
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    page-break-inside: avoid;
}
@media (min-width: 1280px) {
    .post-list.kboke-masonry {
        column-count: 3;
        column-gap: 24px;
    }
}
@media (max-width: 767px) {
    .post-list.kboke-masonry {
        column-count: 1;
        column-gap: 0;
    }
}

/* ============================================================
   v2.3.436：动效与毛玻璃降级
   - prefers-reduced-motion：全局关闭动画/过渡（无障碍动效偏好）
   - 减弱动效或移动端：关闭 header/footer 大面积 backdrop-blur，
     避免低端机滚动时持续合成模糊层造成的掉帧
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (prefers-reduced-motion: reduce), (max-width: 767px) {
    #kboke-header {
        background: rgba(255, 255, 255, 0.98);
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }
    .kboke-footer {
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }
}