/* 印章位置：title/footer 分别控制整枚印章，character 控制印章内的文字。 */

:root {
    --poem-field-width: 31rem;
    --cover-arrow-y: 3px; /* 正数向下，负数向上 */
    --search-icon-y: -3px; /* 正数向下，负数向上 */

    /* 电脑 / 平板（屏幕宽度 ≥ 640px） */
    --seal-desktop-title-x: -49%;   /* 顶部大标题：左右 */
    --seal-desktop-title-y: -55%;   /* 顶部大标题：上下 */
    --seal-desktop-footer-x: -42%; /* 页面最底端：印章内文字左右 */
    --seal-desktop-footer-y: -60%; /* 页面最底端：印章内文字上下 */
    --seal-desktop-title-box-x: 0em;  /* 顶部标题：整枚印章左右 */
    --seal-desktop-title-box-y: 0em;  /* 顶部标题：整枚印章上下 */
    --seal-desktop-footer-box-x: -0.08em; /* 页面最底端：整枚印章左右 */
    --seal-desktop-footer-box-y: 0.02em; /* 页面最底端：整枚印章上下 */

    /* 手机（屏幕宽度 < 640px） */
    --seal-mobile-title-x: -47%;   /* 顶部大标题：左右 */
    --seal-mobile-title-y: -57%;   /* 顶部大标题：上下 */
    --seal-mobile-footer-x: -40%;  /* 页面最底端：印章内文字左右 */
    --seal-mobile-footer-y: -55%;  /* 页面最底端：印章内文字上下 */
    --seal-mobile-title-box-x: 0em;  /* 顶部标题：整枚印章左右 */
    --seal-mobile-title-box-y: 0em;  /* 顶部标题：整枚印章上下 */
    --seal-mobile-footer-box-x: -0.08em; /* 页面最底端：整枚印章左右 */
    --seal-mobile-footer-box-y: 0.02em; /* 页面最底端：整枚印章上下 */
}

/* 始终预留滚动条宽度，避免长短页面切换时整张纸左右移动。 */
html {
    overflow-y: scroll;
    scrollbar-gutter: stable;
}

/* 字体最慢允许等待 8 秒；9 秒后 CSS 才执行无脚本兜底显示。 */
.shiro-preloader {
    animation-delay: 8.5s;
}

body > :not(.shiro-preloader) {
    animation-delay: 9s;
}

/* 标题与页底沿用原 Shiro 模板的日式书写字体。 */
.site-title,
.site-note {
    font-family: "Yuji Syuku", "Noto Serif TC", "Kaiti TC", STKaiti, KaiTi, serif !important;
    font-weight: 400;
}

/* 印章结构与字体。 */
.poem-title-middle-seal {
    position: relative;
    display: inline-block;
    width: 1.04em;
    height: 1.04em;
    margin: 0 .03em;
    vertical-align: -.16em;
    isolation: isolate;
}

.poem-title-middle-seal svg {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: block;
    width: 100%;
    height: 100%;
}

.poem-title-seal-character {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    display: block;
    width: max-content;
    height: 1em;
    color: #fff;
    -webkit-text-fill-color: #fff;
    font-family: "Liu Jian Mao Cao", "Kaiti SC", STKaiti, KaiTi, cursive !important;
    font-size: .78em;
    font-weight: 400;
    line-height: 1;
    pointer-events: none;
}

/* 电脑 / 平板的位置设置。 */
@media (min-width: 40rem) {
    .site-title .poem-title-middle-seal {
        transform: translate(var(--seal-desktop-title-box-x), var(--seal-desktop-title-box-y));
    }

    .site-note .poem-title-middle-seal {
        transform: translate(var(--seal-desktop-footer-box-x), var(--seal-desktop-footer-box-y));
    }

    .site-title .poem-title-seal-character {
        transform: translate(var(--seal-desktop-title-x), var(--seal-desktop-title-y));
    }

    .site-note .poem-title-seal-character {
        transform: translate(var(--seal-desktop-footer-x), var(--seal-desktop-footer-y));
    }
}

/* 手机的位置及标题大小设置。 */
@media (max-width: 39.999rem) {
    .site-title {
        font-size: clamp(1.6rem, 8.1vw, 2rem);
        letter-spacing: .015em;
        white-space: nowrap;
    }

    .site-title .poem-title-seal-character {
        transform: translate(var(--seal-mobile-title-x), var(--seal-mobile-title-y));
    }

    .site-title .poem-title-middle-seal {
        transform: translate(var(--seal-mobile-title-box-x), var(--seal-mobile-title-box-y));
    }

    .site-note .poem-title-middle-seal {
        transform: translate(var(--seal-mobile-footer-box-x), var(--seal-mobile-footer-box-y));
    }

    .site-note .poem-title-middle-seal {
        width: 1.1em;
        height: 1.1em;
        margin: 0 .04em;
        vertical-align: -.17em;
    }

    .site-note .poem-title-seal-character {
        font-size: .8em;
        transform: translate(var(--seal-mobile-footer-x), var(--seal-mobile-footer-y));
    }
}

/* ---- 文章内容样式 ---- */

/* 「碎碎」在首页和文章页居中，「念」保留普通左对齐。 */
.poem-category-suì .prose-shiro {
    text-align: center;
}

.poem-category-suì .prose-shiro ul,
.poem-category-suì .prose-shiro ol,
.poem-category-suì .prose-shiro blockquote {
    display: inline-block;
    text-align: left;
}

/* 分类页固定按「我」、「碎碎」、「念」的顺序显示。 */
.category-tree {
    display: flex;
    flex-direction: column;
}

#cat-u6211 {
    order: 1;
    margin-bottom: 2.5rem;
}

#cat-u788e-u788e {
    order: 2;
    margin-bottom: 2.5rem;
}

#cat-u5ff5 {
    order: 3;
    margin-bottom: 0;
}

/* ---- 全站分隔规则 ----
 * 点线：诗文或大章节之间；单线：页面结构和列表；符号：行内关系。 */

/* 导航的“/”属于行内分隔，与文章信息里的符号使用同一浅色。 */
nav [role="separator"] {
    color: var(--color-text-faint);
}

/* 目录以页面中线为轴：日期靠左、标题靠右，两列各自对齐。 */
.guest-site .guest-directory-list {
    display: grid;
    row-gap: .85rem;
}

:is(
    .guest-site .guest-directory-list,
    .category-block-body > .space-y-4,
    #main-content .space-y-16 .space-y-4
) {
    width: 100%;
    margin-inline: 0;
}

:is(#main-content article.group.flex.items-baseline.gap-6, .guest-site .guest-directory-row) {
    display: grid !important;
    width: 100%;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 8rem;
    align-items: baseline;
}

:is(#main-content article.group.flex.items-baseline.gap-6, .guest-site .guest-directory-row) time {
    justify-self: end;
    text-align: right;
    white-space: nowrap;
}

:is(#main-content article.group.flex.items-baseline.gap-6, .guest-site .guest-directory-row) h3 {
    justify-self: start;
    min-width: 0;
    margin: 0;
    line-height: 1.6;
    text-align: left;
}

:is(#main-content article.group.flex.items-baseline.gap-6, .guest-site .guest-directory-row) h3 a {
    min-width: 0;
    overflow-wrap: anywhere;
}

@media (max-width: 39.999rem) {
    :is(#main-content article.group.flex.items-baseline.gap-6, .guest-site .guest-directory-row) {
        column-gap: 1.5rem;
    }
}

.poem-directory-page :is(#main-content article.group.flex.items-baseline.gap-6, .guest-directory-row) {
    column-gap: 4.5rem;
}

/* 加载结束后纸张轻微上移显现，离开时由整屏加载层接管。 */
html.shiro-preloader-dismissed :is(.paper, .cover-paper),
html.shiro-preloader-done :is(.paper, .cover-paper) {
    animation: paper-enter .46s var(--ease-soft) both;
}

html.page-leaving body > :not(#shiroPreloader) {
    visibility: hidden;
}

html.page-leaving .site-note,
html.page-leaving .site-footer {
    visibility: hidden !important;
    opacity: 0 !important;
}

html.page-leaving #shiroPreloader {
    z-index: 10000;
    display: flex !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    visibility: visible !important;
    animation: none !important;
    transition: none !important;
}

html.page-leaving :is(.paper, .cover-paper) {
    pointer-events: none;
    animation: none;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity .26s ease, transform .26s ease;
}

@keyframes paper-enter {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    html.shiro-preloader-dismissed :is(.paper, .cover-paper),
    html.shiro-preloader-done :is(.paper, .cover-paper) {
        animation: none;
    }

    html.page-leaving :is(.paper, .cover-paper) {
        transition: none;
    }

}

/* ---- 搜索页（扉页与“正文”共用） ---- */

.poem-search {
    width: min(100%, var(--poem-field-width));
    max-width: var(--poem-field-width);
    margin: 0 auto;
}
.poem-search__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.poem-search__field {
    display: flex;
    width: 100%;
    min-height: 3.15rem;
    align-items: center;
    gap: 0;
    border: 1px solid var(--color-border-strong);
    border-radius: .5rem;
    background: var(--color-paper);
}
.poem-search__field:focus-within { border-color: var(--color-seal-fill); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-seal-fill) 12%, transparent); }
.poem-search__field input { width: 100%; min-width: 0; min-height: 3.05rem; flex: 1 1 auto; border: 0; border-radius: inherit; background: transparent; padding: .65rem .75rem .65rem .85rem; color: var(--color-text-body); outline: none; }
.poem-search__field input::placeholder { color: var(--color-text-faint); opacity: 1; }
.poem-search__field button { display: grid; width: 2.75rem; height: 2.5rem; flex: 0 0 2.75rem; place-items: center; margin-right: .3rem; border: 0 !important; border-radius: .35rem; padding: 0; color: var(--color-text-faint); background: transparent !important; box-shadow: none !important; cursor: pointer; opacity: .48; appearance: none; }
.poem-search__field button:hover,
.poem-search__field button:focus-visible { color: var(--color-seal-fill); opacity: .78; }
.poem-search__status { margin: 1.4rem 0 1rem; color: var(--color-text-chrome); font-size: .92rem; }
.poem-search__status:empty { display: none; }
.poem-search__icon { position: relative; display: block; width: .95rem; height: .95rem; border: 1.5px solid currentColor; border-radius: 50%; transform: translateY(var(--search-icon-y)); }
.poem-search__icon::after { position: absolute; right: -.42rem; bottom: -.18rem; width: .5rem; height: 1.5px; border-radius: 999px; background: currentColor; content: ""; transform: rotate(45deg); transform-origin: left center; }
.poem-search__results { margin: 0; padding: 0; list-style: none; }
.poem-search__item { padding: 1.25rem 0; }
.poem-search__item + .poem-search__item { border-top: 1px solid var(--color-border-decorative); }
.poem-search__item a { color: var(--color-text-heading); font-size: 1.2rem; font-weight: 700; text-decoration: none; }
.poem-search__item a:hover { color: var(--color-seal); }
.poem-search__meta { margin: .35rem 0 .55rem; color: var(--color-text-chrome); font-size: .82rem; letter-spacing: .04em; }
.poem-search__excerpt { margin: 0; color: var(--color-text-body); line-height: 1.8; }