/* modules.css - merged from 8 module files */

/* -- cards.css -- */
/* =========================================
   极简现代卡片 (.card)
   ========================================= */
.card {
    margin: 1.5rem 0;
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius-m);
    line-height: 1.7;
    font-size: 15px;
    letter-spacing: 0.05em;
    background-color: var(--bg-paper);
    border: 1px solid rgba(0,0,0,0.04);
    border-left: 3px solid var(--accent);
    color: var(--font-color-1);
    transition: transform 0.2s var(--ease-soft), box-shadow 0.2s var(--ease-soft);
}

@media (max-width: 600px) {
    .card {
        padding: 0.9rem 1.1rem;
        font-size: 14px;
    }
}
.card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.card.red { background-color: #fff1f0; border-left-color: #ff4d4f; color: #cf1322; }
.card.blue { background-color: #f0f5ff; border-left-color: #2f54eb; color: #10239e; }


/* -- fragment.css -- */
/* =========================================
   多彩小便签 (.fragment) - A4 改进版
   - 支持可选标题：.fragment-title 或 data-title=""
   - 支持单回车换行：white-space: pre-line
   ========================================= */

:root{
    --fragment-radius: var(--radius-m);
    --fragment-border: var(--border-warm);
    --fragment-shadow: var(--shadow-sm);
    --fragment-shadow-hover: var(--shadow-md);
    --fragment-text: var(--font-color-1);

    /* 左侧装饰条相关 */
    --fragment-strip-w: 3px;
    --fragment-strip-gap: 12px;     /* 色条与文字的"安全距离" */
    --fragment-pad-x: 18px;         /* 右侧/上/下基础 padding */
    --fragment-pad-y: 16px;
}

/* Base */
.fragment {
    position: relative;
    margin: 20px 0;

    /* 关键：左侧额外 padding，保证文字不贴色条 */
    padding: var(--fragment-pad-y) var(--fragment-pad-x);
    padding-left: calc(var(--fragment-pad-x) + var(--fragment-strip-w) + var(--fragment-strip-gap));

    border-radius: var(--fragment-radius);
    border: 1px solid var(--fragment-border);
    background: var(--bg-paper);
    box-shadow: var(--fragment-shadow);

    font-size: 15px;
    line-height: 1.75;
    letter-spacing: 0.01em;
    color: var(--fragment-text);

    overflow: hidden;
    word-wrap: break-word !important;
    white-space: pre-line; /* 支持直接换行，无需 \n 或 <br> */

    transform: translateY(0);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

/* 左侧强调条（位置更靠左，留足间距） */
.fragment::before {
    content: "";
    position: absolute;
    left: var(--fragment-pad-x);
    top: 12px;
    bottom: 12px;
    width: var(--fragment-strip-w);
    border-radius: 999px;
    background: var(--line-1);
    pointer-events: none;
}

/* 纸面轻微高光质感（很淡） */
.fragment::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.20),
        rgba(255, 255, 255, 0.00) 30%
    );
    pointer-events: none;
}

.fragment:hover {
    transform: translateY(-1px);
    box-shadow: var(--fragment-shadow-hover);
    border-color: var(--line-1);
}

/* 可选标题：写 <div class="fragment-title">标题</div> */
.fragment-title{
    display: flex;
    align-items: center;
    gap: 10px;

    margin: 0 0 10px;
    padding-bottom: 10px;

    font-weight: 600;
    font-size: 0.98em;
    letter-spacing: 0.02em;

    /* 让标题和正文有分隔，但很克制 */
    border-bottom: 1px dashed var(--line-1);
    color: var(--font-color-1);
}

/* 标题左侧的小圆点，更像"便签标题" */
.fragment-title::before{
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--font-color-3);
    flex: 0 0 auto;
}

/* 另一种标题：不加子元素，直接 data-title="..." */
.fragment[data-title]{
    padding-top: calc(var(--fragment-pad-y) + 4px);
}
.fragment[data-title] > :first-child{
    margin-top: 0;
}
.fragment[data-title]::marker{ content: ""; }
.fragment[data-title] .fragment-title{ display:none; }
.fragment[data-title]::selection{ background: rgba(0,0,0,.08); }

/* fragment 内部常见元素微调 */
.fragment > :first-child { margin-top: 0; }
.fragment > :last-child { margin-bottom: 0; }

.fragment code {
    border-radius: 6px;
    padding: 0.12em 0.4em;
    background: var(--md-accent-faint, rgba(0, 0, 0, 0.05));
    white-space: normal;
}

.fragment blockquote {
    margin: 10px 0;
    padding: 8px 12px;
    border-left: 3px solid var(--line-1);
    background: rgba(255, 255, 255, 0.45);
    white-space: normal;
}

/* 颜色变体 */
.fragment.red    { background-color: rgba(255, 77, 79, 0.08);   color: rgba(92, 0, 17, 0.85); }
.fragment.yellow { background-color: rgba(255, 229, 143, 0.22);  color: rgba(97, 71, 0, 0.88); }
.fragment.green  { background-color: rgba(183, 235, 143, 0.20);  color: rgba(19, 82, 0, 0.86); }
.fragment.blue   { background-color: rgba(145, 213, 255, 0.20);  color: rgba(0, 58, 140, 0.86); }
.fragment.purple { background-color: rgba(211, 173, 247, 0.20);  color: rgba(57, 16, 133, 0.85); }
.fragment.grey   { background-color: var(--bg-zebra);                color: var(--font-color-1); }

/* 色条随颜色变化 */
.fragment.red::before    { background: rgba(255, 77, 79, 0.55); }
.fragment.yellow::before { background: rgba(241, 151, 38, 0.55); }
.fragment.green::before  { background: rgba(26, 171, 142, 0.55); }
.fragment.blue::before   { background: rgba(81, 114, 221, 0.55); }
.fragment.purple::before { background: rgba(163, 51, 139, 0.45); }
.fragment.grey::before   { background: var(--font-color-3); }

/* 标题的小圆点跟随颜色 */
.fragment.red .fragment-title::before    { background: rgba(255, 77, 79, 0.60); }
.fragment.yellow .fragment-title::before { background: rgba(241, 151, 38, 0.60); }
.fragment.green .fragment-title::before  { background: rgba(26, 171, 142, 0.60); }
.fragment.blue .fragment-title::before   { background: rgba(81, 114, 221, 0.60); }
.fragment.purple .fragment-title::before { background: rgba(163, 51, 139, 0.50); }
.fragment.grey .fragment-title::before   { background: var(--font-color-3); }

/* fragment 内链接：干净的下划线/边框 */
.fragment a {
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--line-1);
}
.fragment a:hover {
    border-bottom-color: var(--accent);
    color: var(--accent);
}

/* 移动端优化 */
@media (max-width: 600px) {
    .fragment {
        padding: 14px 12px;
        padding-left: calc(12px + 3px + 8px);
        font-size: 14px;
    }
    .fragment::before {
        left: 12px;
        width: 3px;
    }
}


/* ── 碎片页日期分隔线 ──
   h6 紧接 .fragment 时，变为居中分隔线样式
   ─── 2026-01-22  20:31 寒冬. ─── */

.post-md h6:has(+ .fragment) {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 12px;
    font-weight: 400;
    color: var(--font-color-3);
    margin: 36px 0 8px;
    padding: 0;
    border: none;
    letter-spacing: 0.03em;
    line-height: 1;
}

/* 首条日期减少顶距 */
.post-md hr + h6:has(+ .fragment) {
    margin-top: 20px;
}

/* 两侧装饰线 */
.post-md h6:has(+ .fragment)::before,
.post-md h6:has(+ .fragment)::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-warm);
}

/* 日期紧连卡片 — 零间距 */
.post-md h6 + .fragment {
    margin-top: 0;
}

/* 碎片页底部归档入口 */
.fragment-archive-link {
    display: flex;
    justify-content: flex-end;
    margin-top: 36px;
}

.fragment-archive-link a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--font-color-3);
    text-decoration: none;
    transition: color 0.2s ease;
}

.fragment-archive-link a:hover {
    color: var(--font-color-2);
}


/* -- mark-pen.css -- */
.post-md a,
.post-toc a,
.paper-main .inline-li a,
a.index-logo,
a.logo,
.series-nav-links a {
    position: relative;
    z-index: 1;
    font-weight: 500;
    background-image: linear-gradient(to right, color-mix(in srgb, var(--accent) 12%, transparent), color-mix(in srgb, var(--accent) 12%, transparent));
    background-repeat: no-repeat;
    background-position: 0 92%;
    background-size: 0% 30%;
    transition: background-size 0.4s cubic-bezier(0.215, 0.610, 0.355, 1.000);
}

.post-md a:hover,
.post-toc a:hover,
.paper-main .inline-li a:hover,
a.index-logo:hover,
a.logo:hover,
.series-nav-links a:hover {
    background-size: 100% 30%;
    text-decoration: none;
}

.post-md h1 a, .post-md h2 a, .post-md h3 a,
.post-md h4 a, .post-md h5 a, .post-md h6 a,
.post-md .btn-cement,
.post-md .card a,
.post-md .fragment a {
    background-image: none;
    transition: none;
    color: inherit;
    font-weight: inherit;
}


/* -- series.css -- */
/* =========================================
   Series Grid — 专栏总览卡片（徽章 + 信息布局）
   ========================================= */
.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
    margin: 20px 0;
}

@media (max-width: 360px) {
    .series-grid {
        grid-template-columns: 1fr;
    }
}
a.series-card,
a.series-card:link,
a.series-card:visited {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius-m);
    background: var(--bg-paper);
    border: 1px solid var(--border-warm);
    text-decoration: none;
    color: var(--font-color-1);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s var(--ease-soft),
                box-shadow 0.3s var(--ease-soft);
}
a.series-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: var(--bg-paper);
    color: var(--font-color-1);
    border-color: color-mix(in srgb, var(--accent) 30%, var(--border-warm));
}

/* 彩色 SVG 书本图标 */
.series-card-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

/* 卡片信息区域 */
.series-card-body {
    flex: 1;
    min-width: 0;
    padding-top: 2px;
}
.series-card-title {
    font-size: 17px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 4px;
}
.series-card-meta {
    font-size: 13px;
    color: var(--font-color-2);
    display: flex;
    align-items: center;
    gap: 6px;
}
.series-card-dot { color: var(--font-color-3); }
.series-card-latest {
    font-size: 12px;
    color: var(--font-color-3);
    margin-top: 8px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.series-empty { color: var(--font-color-2); font-size: 14px; }

/* =========================================
   Series Detail — 专栏详情页
   ========================================= */
.series-detail-page {
    padding: 0;
}

/* 专栏头部区域 */
.series-detail-hero {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--surface);
}
.series-detail-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}
h1.series-detail-name {
    font-size: 24px;
    font-weight: 500;
    color: var(--font-color-1);
    margin: 0 0 8px;
    letter-spacing: 0.02em;
}
.series-detail-info {
    font-size: 14px;
    color: var(--font-color-2);
    margin: 0;
}
.series-detail-info strong {
    color: var(--font-color-1);
    font-weight: 500;
}

/* 文章列表 */
.series-detail-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

a.series-item,
a.series-item:link,
a.series-item:visited {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--font-color-1);
    box-shadow: none;
    background: transparent;
    border: 1px solid transparent;
    border-left: 3px solid transparent;
    transition: background-color 0.2s ease,
                border-color 0.2s ease,
                border-left-color 0.3s ease;
}
a.series-item:hover {
    background: color-mix(in srgb, var(--accent) 5%, var(--bg-paper));
    border-color: color-mix(in srgb, var(--accent) 10%, transparent);
    border-left-color: var(--accent);
    color: var(--font-color-1);
}

.series-item-num {
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--font-color-3);
    width: 28px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}
a.series-item:hover .series-item-num {
    color: var(--accent);
}

.series-item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.series-item-title {
    font-size: 15px;
    font-weight: 500;
    color: inherit;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.series-item-date {
    font-size: 12px;
    color: var(--font-color-3);
}

.series-item-arrow {
    flex-shrink: 0;
    color: var(--font-color-3);
    transition: transform 0.2s ease, color 0.2s ease;
}
a.series-item:hover .series-item-arrow {
    transform: translateX(3px);
    color: var(--accent);
}

/* 响应式：小屏隐藏箭头 */
@media (max-width: 480px) {
    .series-item-arrow { display: none; }
    a.series-item,
    a.series-item:link,
    a.series-item:visited {
        padding: 12px 10px;
        gap: 12px;
    }
}

/* =========================================
   Series Nav — 文章内专栏导航条
   ========================================= */
.series-nav {
    margin: 14px 0 18px;
    padding: 14px 18px;
    border-radius: 10px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 4%, var(--bg-paper)), color-mix(in srgb, var(--accent) 9%, var(--bg-paper)));
    border: 1px solid color-mix(in srgb, var(--accent) 12%, transparent);
    border-left: 3px solid var(--accent);
    position: relative;
    transition: transform 0.2s var(--ease-soft, ease), box-shadow 0.2s;
}
.series-nav:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.series-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px;
    word-break: break-word;
}
a.series-nav-title {
    color: var(--font-color-1);
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
}
a.series-nav-title:hover { color: var(--accent); }
.series-nav-count {
    font-size: 12px;
    color: var(--font-color-2);
    background: rgba(0,0,0,.04);
    padding: 2px 8px;
    border-radius: 10px;
}
.series-nav-links {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 13px;
    gap: 12px;
    flex-wrap: wrap;
}
.series-nav-links a {
    color: var(--font-color-2);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    max-width: 48%;
    min-width: 0;
}
/* 箭头不参与截断 */
.series-nav-arrow {
    flex-shrink: 0;
}
/* 标题文本截断 */
.series-nav-link-title {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
/* 支持马克笔效果 */
.series-nav-link-title mark {
    background: linear-gradient(transparent 40%, rgba(255, 237, 66, 0.7) 40%, rgba(255, 237, 66, 0.7) 85%, transparent 85%);
    padding: 0 2px;
    color: inherit;
}
/* 只有下一篇时（无上一篇），推到右边 */
.series-nav-next:first-child {
    margin-left: auto;
    text-align: right;
}
/* 下一篇始终右对齐 */
.series-nav-next {
    justify-content: flex-end;
}

/* 移动端响应式优化 */
@media (max-width: 640px) {
    .series-nav {
        padding: 10px 12px;
    }
    .series-nav-header {
        gap: 4px;
        font-size: 13px;
    }
    a.series-nav-title {
        font-size: 13px;
        max-width: 60%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .series-nav-count {
        font-size: 11px;
        padding: 1px 6px;
    }
    .series-nav-links {
        font-size: 12px;
        gap: 8px;
    }
    .series-nav-links a {
        max-width: 100%;
        flex: 1 1 100%;
    }
    .series-nav-prev {
        order: 1;
    }
    .series-nav-next {
        order: 2;
    }
    .series-nav-link-title {
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}


/* -- markdown-style.css -- */
/* Markdown 行内格式补充样式 — 已迁移至 markdown.css */

.post-md u,
.wl-content u {
    text-decoration: none;
    border-bottom: 1px solid rgba(0,0,0,0.25);
    padding-bottom: 1px;
}


/* -- browse.css -- */
a.browse-back,
a.browse-back:link,
a.browse-back:visited {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--font-color-3);
    text-decoration: none;
    box-shadow: none;
    background-image: none;
    transition: color 0.2s ease;
    margin-top: 0;
    margin-bottom: 0;
}

a.browse-back:hover { color: var(--font-color-2); }

.subpage-title {
    text-align: center;
    margin: 4px 0 12px;
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--font-color-1);
    letter-spacing: -0.01em;
}

/* ── 标签/分类子页面 — 文章卡片列表 ── */
.subpage-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.subpage-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: var(--radius-m, 12px);
    background: transparent;
    border: 1px solid transparent;
    border-left: 3px solid transparent;
    text-decoration: none;
    transition: background 0.2s ease, border-color 0.2s ease, border-left-color 0.3s ease;
}
.subpage-item:link,
.subpage-item:visited { text-decoration: none; box-shadow: none; background-image: none; }
.subpage-item:hover {
    background: color-mix(in srgb, var(--accent) 5%, var(--bg-paper));
    border-color: color-mix(in srgb, var(--accent) 10%, transparent);
    border-left-color: var(--accent);
}
.subpage-date {
    flex-shrink: 0;
    font-size: 0.78rem;
    color: var(--font-color-3);
    font-variant-numeric: tabular-nums;
    min-width: 5.6em;
}
.subpage-name {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--font-color-1);
    line-height: 1.4;
}
.subpage-item:hover .subpage-name { color: var(--accent); }


/* -- about.css -- */
/* ===== About 页面样式（从 about/index.md 行内迁出） ===== */

.about-block { margin: 14px 0 18px; }
.about-muted { opacity: .78; }
.about-build-row {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ===== FOLLOW ME ===== */
.follow-block {
    white-space: normal !important;
    text-align: center;
}

.follow-sub {
    text-align: center;
    font-size: 12px;
    color: var(--font-color-3);
    margin: -6px 0 10px;
    letter-spacing: .02em;
}

.follow-block .icon-btn {
    transform: none !important;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease,
                border-color 0.3s ease !important;
    animation: none !important;
    filter: none !important;
}

.follow-block .icon-btn * {
    transform: none !important;
    transition: none !important;
    animation: none !important;
    filter: none !important;
}

.follow-strip {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px 10px;
    padding: 8px 6px 2px;
}

.sep-ellip { display: none !important; }

@media (min-width: 480px) {
    .follow-strip { flex-wrap: nowrap; gap: 10px 8px; }
    .sep-ellip { display: inline !important; }
}

@media (min-width: 560px) {
    .follow-strip { gap: 10px 12px; }
}

/* ===== Icon Buttons ===== */
.icon-btn {
    width: 48px !important;
    height: 48px !important;
    border-radius: 999px !important;
    border: 1px solid var(--border-warm) !important;
    background: var(--bg-paper) !important;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: 0 4px 12px rgba(0,0,0,.04) !important;
    display: grid !important;
    place-items: center !important;
    text-decoration: none !important;
}

.icon-btn:hover {
    transform: translateY(-3px) scale(1.06) !important;
    box-shadow: 0 8px 20px rgba(0,0,0,.08) !important;
    border-color: var(--accent) !important;
}

.icon-btn svg, .icon-btn img {
    width: 20px !important;
    height: 20px !important;
    display: block !important;
}

.coolapk img { width: 28px !important; height: 28px !important; }
.music svg { width: 24px !important; height: 24px !important; }

/* ===== Ellipsis Separators ===== */
.sep-ellip {
    font-weight: 800;
    letter-spacing: .18em;
    color: rgba(0,0,0,.25);
    user-select: none;
    line-height: 1;
    padding: 0 2px;
}

/* ===== Platform Tints ===== */
.github  { background: rgba(0,0,0,.06) !important; }
.coolapk { background: rgba(0,180,90,.12) !important; }
.mail    { background: rgba(81,114,221,.14) !important; }
.music   { background: rgba(230,0,18,.10) !important; }
.qq      { background: rgba(0,160,255,.14) !important; }

/* ===== Platform Hover Glow ===== */
.github:hover  { box-shadow: 0 8px 20px rgba(24,23,23,.12) !important; }
.coolapk:hover { box-shadow: 0 8px 20px rgba(0,180,90,.15) !important; }
.mail:hover    { box-shadow: 0 8px 20px rgba(234,67,53,.12) !important; }
.music:hover   { box-shadow: 0 8px 20px rgba(230,0,38,.12) !important; }
.qq:hover      { box-shadow: 0 8px 20px rgba(30,186,252,.15) !important; }

/* ===== Build Badge ===== */
.about-build-row img { max-width: 100%; height: auto; }
.about-iframe-wrap iframe {
    max-width: 100% !important;
    width: 100% !important;
}

/* ===== Todo Checklist ===== */
.todo {
    margin-top: 6px;
    display: grid;
    gap: 8px;
}

.todo-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.65;
}

.todo-box {
    width: 18px;
    height: 18px;
    border-radius: 6px;
    border: 1px solid rgba(0,0,0,.22);
    background: rgba(255,255,255,.45);
    box-shadow: 0 6px 14px rgba(0,0,0,.06);
    flex: 0 0 auto;
    position: relative;
    margin-top: 2px;
}

.todo-item.is-done .todo-box {
    border-color: rgba(26, 171, 142, .55);
    background: rgba(26, 171, 142, .14);
}

.todo-item.is-done .todo-box::after {
    content: "";
    position: absolute;
    left: 4px; top: 2px;
    width: 8px; height: 12px;
    border-right: 2px solid rgba(15, 107, 89, .95);
    border-bottom: 2px solid rgba(15, 107, 89, .95);
    transform: rotate(40deg);
}

.todo-item.is-doing .todo-box {
    border-color: rgba(241, 151, 38, .55);
    background: rgba(241, 151, 38, .16);
}

.todo-item.is-doing .todo-box::after {
    content: "";
    position: absolute;
    left: 4px; top: 8px;
    width: 10px; height: 2px;
    background: rgba(138, 79, 0, .85);
    border-radius: 999px;
}

.todo-text { color: rgba(0,0,0,.74); }

.todo-item.is-done .todo-text {
    color: rgba(0,0,0,.48);
    text-decoration: line-through;
    text-decoration-thickness: 2px;
    text-decoration-color: rgba(0,0,0,.22);
}


/* -- paper-details.css -- */
.index-title-left   { text-align: left; }
.index-title-center { text-align: center; }

.index-nav {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: 8px;
    margin-bottom: 4px;
    flex-wrap: wrap;
}

/* 首页导航复用 .site-nav-item，见 style.css。仅保留布局差异：稍大内距 + 圧缩字号 */
.index-nav .site-nav-item {
    padding: 6px 16px;
    font-size: 0.92rem;
}

/* ── 列表页快捷入口（专栏/标签/分类）── */
.wf-browse {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 6px 0 8px;
    margin-bottom: 4px;
}

.wf-browse-item {
    font-size: 0.82rem;
    color: var(--font-color-3);
    text-decoration: none;
    letter-spacing: 0.04em;
    padding-bottom: 2px;
    border-bottom: 1.5px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.wf-browse-item:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.wf-browse-sep {
    margin: 0 10px;
    color: var(--line-1);
    font-size: 0.85rem;
    user-select: none;
}

/* del 样式已迁移至 markdown.css */