/* ==========================================================================
   简方 JianFang · 文章内容：正文 / 代码 / 目录 / 版权卡 / 评论
   正文行宽 760px，行高 1.75，字距 0.5px（对齐 tw93.fun）
   ========================================================================== */

/* --------------------------------------------------------------------------
   阅读进度条
   -------------------------------------------------------------------------- */
.reading-progress {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 50;
    height: 2px;
    pointer-events: none;
}

.reading-progress__bar {
    display: block;
    height: 100%;
    width: 0;
    background: var(--accent);
    transition: width 90ms linear;
}

/* --------------------------------------------------------------------------
   文章骨架
   -------------------------------------------------------------------------- */
/* 全站统一外框：正文列 + 右侧目录恰好填满，左边缘与顶栏、页脚一致 */
.post-layout {
    max-width: var(--page-width);
    margin: 0 auto;
    padding: 52px var(--sp-5) 0;
}

/* 正文列锁定在舒适阅读行宽；窄屏无目录时左对齐，宽度不变 */
.post-layout > .post {
    max-width: var(--content-width);
}

.post--page {
    max-width: var(--page-width);
    margin: 0 auto;
    padding: 52px var(--sp-5) 0;
}

.post--page > * {
    max-width: var(--content-width);
}

@media (min-width: 1100px) {
    .post-layout--with-toc {
        display: grid;
        grid-template-columns: minmax(0, var(--content-width)) var(--toc-width);
        gap: var(--toc-gap);
        justify-content: start;
    }
}

.post__head {
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.post__title {
    font-size: clamp(24px, 3.4vw, 30px);
    line-height: 1.4;
}

.post__meta {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    color: var(--text-muted);
}

.post__meta a {
    color: var(--text-muted);
}

.post__meta a:hover {
    color: var(--accent);
}

.post__sep {
    opacity: .6;
}

.post__content {
    margin-top: 32px;
}

.post__locked {
    margin-bottom: 24px;
    padding: 18px 20px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    background: var(--bg-subtle);
}

.post__locked-title {
    font-weight: 700;
    font-size: 15px;
}

.post__locked-desc {
    margin-top: 4px;
    font-size: 14px;
    color: var(--text-muted);
}

.post__tags {
    margin-top: 36px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.post__tag {
    padding: 2px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--text-muted);
}

.post__tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* --------------------------------------------------------------------------
   正文排版
   -------------------------------------------------------------------------- */
.jf-prose {
    font-size: 16px;
    line-height: 1.75;
    letter-spacing: .5px;
    color: var(--text);
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.jf-prose>*+* {
    margin-top: 26px;
}

.jf-prose h2 {
    margin-top: 46px;
    font-size: 22px;
}

.jf-prose h3 {
    margin-top: 36px;
    font-size: 18px;
}

.jf-prose h4 {
    margin-top: 30px;
    font-size: 16.5px;
}

.jf-prose h2:first-child,
.jf-prose h3:first-child,
.jf-prose h4:first-child {
    margin-top: 0;
}

.jf-prose a {
    color: var(--link);
    border-bottom: 1px solid var(--accent-soft);
}

.jf-prose a:hover {
    color: var(--accent);
}

.jf-prose strong {
    font-weight: 700;
}

.jf-prose hr {
    height: 1px;
    max-width: 200px;
    margin: 40px auto;
    border: 0;
    background: var(--border);
}

.jf-prose img {
    margin-left: auto;
    margin-right: auto;
    border-radius: var(--radius);
    background: var(--bg-subtle);
}

.jf-prose figure {
    margin: 0;
}

.jf-prose figcaption {
    margin-top: 10px;
    text-align: center;
    font-size: 13.5px;
    color: var(--text-muted);
}

.jf-prose blockquote {
    margin: 0;
    padding: 4px 0 4px 18px;
    border-left: 3px solid var(--border-strong);
    color: var(--text-secondary);
}

.jf-prose ul,
.jf-prose ol {
    padding-left: 1.4em;
}

.jf-prose li+li {
    margin-top: 6px;
}

.jf-prose code {
    padding: 1px 6px;
    border: 1px solid var(--border);
    border-radius: 5px;
    background: var(--code-bg);
    font-family: var(--font-mono);
    font-size: .88em;
    color: var(--accent);
}

.jf-prose pre {
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--code-bg);
    font-size: 13.5px;
    line-height: 1.7;
    overflow: auto;
}

.jf-prose pre code {
    padding: 0;
    border: 0;
    background: none;
    color: var(--code-text);
    font-size: inherit;
}

.jf-prose table {
    display: block;
    width: 100%;
    overflow-x: auto;
    border-collapse: collapse;
    font-size: 14.5px;
}

.jf-prose th,
.jf-prose td {
    padding: 8px 12px;
    border: 1px solid var(--border);
    text-align: left;
}

.jf-prose th {
    background: var(--bg-subtle);
    font-weight: 700;
}

/* --------------------------------------------------------------------------
   右侧目录 TOC
   -------------------------------------------------------------------------- */
.post-toc {
    display: none;
}

.post-toc[hidden] {
    display: none;
}

@media (min-width: 1100px) {
    .post-toc {
        display: block;
        position: sticky;
        top: calc(var(--header-h) + 32px);
        align-self: start;
        max-height: calc(100vh - var(--header-h) - 64px);
        overflow-y: auto;
        padding-right: 4px;
    }

    .post-toc[hidden] {
        display: none;
    }
}

.post-toc__title {
    margin-bottom: 12px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.post-toc__nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-left: 14px;
    border-left: 2px solid var(--border);
}

.post-toc__link {
    display: block;
    margin-left: -16px;
    padding: 4px 0 4px 14px;
    border-left: 2px solid transparent;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-muted);
    transition: color var(--transition), border-color var(--transition);
}

.post-toc__link:hover {
    color: var(--text);
}

.post-toc__link.is-active {
    color: var(--accent);
    border-left-color: var(--accent);
}

.post-toc__link--h3 {
    padding-left: 28px;
    font-size: 12.5px;
}

/* --------------------------------------------------------------------------
   文末版权卡
   -------------------------------------------------------------------------- */
.license-card {
    margin-top: 42px;
    padding: 20px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-subtle);
}

.license-card__author {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.license-card__avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-elevated);
}

.license-card__name {
    font-size: 14px;
    color: var(--text-secondary);
}

.license-card__head {
    font-size: 15px;
    font-weight: 700;
}

.license-card__link {
    display: block;
    margin-top: 6px;
    font-size: 12.5px;
    color: var(--text-muted);
    word-break: break-all;
}

.license-card__link:hover {
    color: var(--accent);
}

.license-card__meta {
    margin: 16px 0 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px 20px;
    font-size: 13px;
}

.license-card__meta div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.license-card__meta dt {
    font-size: 12.5px;
    color: var(--text-muted);
}

.license-card__meta dd {
    margin: 0;
    color: var(--text-secondary);
}

.license-card__meta a {
    color: var(--text-secondary);
}

.license-card__meta a:hover {
    color: var(--accent);
}

/* --------------------------------------------------------------------------
   分享条
   -------------------------------------------------------------------------- */
.share-bar {
    margin-top: 30px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 12px;
}

.share-bar__label {
    font-size: 13.5px;
    color: var(--text-muted);
}

.share-bar__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.share-bar__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 13px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.share-bar__btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.share-bar__btn.is-done {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.share-bar__btn.is-done .share-bar__text {
    font-size: 0;
}

.share-bar__btn.is-done .share-bar__text::after {
    content: "已复制";
    font-size: 13.5px;
}

/* --------------------------------------------------------------------------
   评论
   -------------------------------------------------------------------------- */
/* 评论区与正文同宽，并落在正文列一侧（左边缘与顶栏、正文对齐） */
.comments {
    max-width: var(--page-width);
    margin: 0 auto;
    padding: var(--sp-2) var(--sp-5) 0;
}

.comments > * {
    max-width: var(--content-width);
}

.comments__head {
    margin-top: 52px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.comments__title {
    font-size: 17px;
}

.comments__empty,
.comments__closed {
    padding: 24px 0;
    font-size: 14px;
    color: var(--text-muted);
}

.comments__pager {
    margin-top: 20px;
    font-size: 13.5px;
    color: var(--text-muted);
}

.comments__pager a {
    color: var(--text-secondary);
}

.comments__pager a:hover {
    color: var(--accent);
}

.comment-list,
.comment-list .comment-children {
    list-style: none;
    margin: 0;
    padding: 0;
}

.comment-list .comment-body {
    padding: 22px 0;
    border-bottom: 1px solid var(--border);
}

.comment-list .comment-body:last-child {
    border-bottom: 0;
}

.comment-list .comment-children {
    margin-top: 16px;
    padding-left: 20px;
    border-left: 1px solid var(--border);
}

.comment-list .comment-author {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text);
}

.comment-list .comment-author cite {
    font-style: normal;
}

.comment-list .comment-author a {
    color: var(--text);
}

.comment-list img.avatar,
.comment-list .comment-author img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--bg-subtle);
}

.comment-list .comment-meta {
    margin-top: 8px;
    font-size: 12.5px;
    color: var(--text-muted);
}

.comment-list .comment-meta a {
    color: var(--text-muted);
}

.comment-list .comment-content {
    margin-top: 10px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-secondary);
}

.comment-list .comment-content>*+* {
    margin-top: 12px;
}

.comment-list .comment-reply,
.comment-list .comment-reply-link {
    margin-top: 10px;
    font-size: 13px;
}

.comment-list .comment-reply a,
.comment-list .comment-reply-link {
    color: var(--text-muted);
}

.comment-list .comment-reply a:hover,
.comment-list .comment-reply-link:hover {
    color: var(--accent);
}

.respond {
    margin-top: 40px;
}

.respond__cancel {
    font-size: 13px;
}

.respond__cancel a {
    color: var(--text-muted);
}

.respond__title {
    margin-bottom: 18px;
    font-size: 16px;
}

.comments__audit {
    margin-bottom: 18px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    background: var(--bg-subtle);
    font-size: 13.5px;
    line-height: 1.75;
    color: var(--text-secondary);
}

.comment-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comment-form__row {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.comment-form__label {
    font-size: 13.5px;
    color: var(--text-secondary);
}

.comment-form__label i {
    font-style: normal;
    color: var(--accent);
}

.comment-form__input,
.comment-form__textarea {
    width: 100%;
    padding: 10px 13px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-elevated);
    color: var(--text);
    font-size: 15px;
    outline: none;
    transition: border-color var(--transition);
}

.comment-form__input:focus,
.comment-form__textarea:focus {
    border-color: var(--accent);
}

.comment-form__textarea {
    min-height: 120px;
    line-height: 1.7;
    resize: vertical;
}

.comment-form__actions {
    display: flex;
    justify-content: flex-end;
}

.comment-form__submit {
    padding: 9px 22px;
    border: 1px solid var(--accent);
    border-radius: var(--radius-full);
    background: var(--accent);
    color: var(--bg);
    font-size: 14.5px;
    transition: opacity var(--transition);
}

.comment-form__submit:hover {
    opacity: .88;
}

.comment-form__login {
    font-size: 14px;
    color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
    .post-layout,
    .post--page,
    .comments {
        padding-left: 18px;
        padding-right: 18px;
    }

    .post__title {
        font-size: 22px;
    }

    .jf-prose pre {
        font-size: 13px;
        padding: 14px;
    }
}