/*
 * Bauhaus Wall — 极简主义包豪斯 · 信息墙
 * Typecho theme stylesheet
 *
 * 「像一组包豪斯式的工程图纸被拼贴在冷雾展墙上。」
 * 硬边、编号、主青 + 单点棕色、宋体标题 + 等宽数字。
 */

/* ============================================================
   1. Tokens
   ============================================================ */
:root {
    --primary: #1F5A6C;
    --primary-soft: rgba(31, 90, 108, 0.08);
    --primary-mid: rgba(31, 90, 108, 0.20);
    --accent: #8B5A3D;
    --accent-soft: rgba(139, 90, 61, 0.10);

    --bg: #E8F1F5;
    --paper: #FFFFFF;
    --paper-soft: #F5FAFC;
    --line: #C8DCE3;
    --axis: #8CA8B3;

    --text: #102832;
    --text-2: #496873;
    --text-3: #6E8791;

    --font-serif: "LXGW WenKai", "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", "Songti SC", "SimSun", "Times New Roman", serif;
    --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

    --container: 1200px;
    --aside-w: 320px;
    --gap: 24px;
    --pad: 28px;
    --line-w: 1px;
}

/* ============================================================
   2. Reset / base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; border-radius: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1.8;
    font-variant-numeric: tabular-nums;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--accent); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
}

ul, ol { margin: 0; padding: 0; }

button, input, textarea {
    font: inherit;
    color: inherit;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gap);
}

/* 通用几何编号块 */
.module-code {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.14em;
    line-height: 1;
    padding: 5px 8px;
    color: var(--text-3);
    border: var(--line-w) solid var(--line);
    background: var(--paper);
    white-space: nowrap;
    text-transform: uppercase;
}

.meta-label {
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--text-3);
    margin-right: 6px;
}

.btn {
    display: inline-block;
    padding: 10px 22px;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    letter-spacing: 0.08em;
    border: 2px solid var(--primary);
    cursor: pointer;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:disabled { opacity: 0.6; cursor: default; }

/* ============================================================
   3. Header
   ============================================================ */
.site-header {
    background: var(--paper);
    border-bottom: 2px solid var(--primary);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 32px;
    min-height: 72px;
}

.branding {
    display: flex;
    align-items: baseline;
    gap: 14px;
    flex-shrink: 0;
}

.site-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.02em;
}
.site-title:hover { color: var(--primary); }

.site-logo img { max-height: 36px; width: auto; }

.site-description {
    font-size: 13px;
    color: var(--text-3);
    padding-left: 14px;
    border-left: var(--line-w) solid var(--line);
}

.site-nav { flex: 1; }

.nav-menu {
    display: flex;
    gap: 4px;
    list-style: none;
}

.nav-menu a {
    display: block;
    padding: 24px 12px 21px;
    font-size: 15px;
    color: var(--text-2);
    border-bottom: 3px solid transparent;
}
.nav-menu a:hover { color: var(--primary); }
.nav-menu a.active {
    color: var(--primary);
    border-bottom-color: var(--accent);
}

.site-search {
    display: flex;
    border: var(--line-w) solid var(--line);
    background: var(--paper-soft);
}
.site-search input {
    width: 160px;
    padding: 6px 10px;
    border: 0;
    background: transparent;
    font-size: 13px;
    outline: none;
}
.site-search input:focus { background: #fff; }
.site-search button {
    padding: 0 12px;
    border: 0;
    border-left: var(--line-w) solid var(--line);
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    font-family: var(--font-mono);
}
.site-search button:hover { background: var(--primary); color: #fff; }

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    padding: 8px;
    margin-left: auto;
    border: var(--line-w) solid var(--line);
    background: var(--paper);
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
}
.menu-toggle span {
    display: block;
    height: 2px;
    background: var(--primary);
}
.menu-toggle.active span:nth-child(2) { background: var(--accent); }

/* 数据口径行 */
.scope-line {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 8px;
    padding-bottom: 8px;
    border-top: var(--line-w) solid var(--line);
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--text-3);
}
.scope-code {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--primary);
}
.scope-code::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 8px;
    background: var(--primary);
    vertical-align: 1px;
}
.scope-text { flex: 1; letter-spacing: 0.04em; }
.scope-tail { font-family: var(--font-mono); }

/* 移动端抽屉 */
.mobile-nav {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: none;
    flex-direction: column;
    background: var(--paper);
    border-left: 4px solid var(--primary);
    padding: 20px;
}
.mobile-nav.active { display: flex; }
.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary);
}
.mobile-nav-close {
    width: 36px;
    height: 36px;
    border: var(--line-w) solid var(--line);
    background: var(--paper);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
}
.mobile-nav-menu { list-style: none; margin-top: 8px; }
.mobile-nav-menu a {
    display: block;
    padding: 14px 0;
    font-size: 18px;
    border-bottom: var(--line-w) solid var(--line);
    color: var(--text);
}
.mobile-nav-menu a.active { color: var(--primary); box-shadow: inset 4px 0 0 var(--accent); padding-left: 12px; }
.mobile-search { display: flex; margin-top: 24px; border: var(--line-w) solid var(--line); }
.mobile-search input { flex: 1; padding: 10px 12px; border: 0; outline: none; }
.mobile-search button { padding: 0 16px; border: 0; background: var(--primary); color: #fff; cursor: pointer; }

/* ============================================================
   4. Layout
   ============================================================ */
.site-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--aside-w);
    gap: var(--gap);
    align-items: start;
    padding-top: 40px;
    padding-bottom: 56px;
}
.site-main--single { grid-template-columns: minmax(0, 1fr); }

.main-column { min-width: 0; }

/* ============================================================
   5. Module system
   ============================================================ */
.module {
    position: relative;
    background: var(--paper);
    border: var(--line-w) solid var(--line);
    padding: var(--pad);
}

.module--focus {
    border-top: 3px solid var(--primary);
}
.module--focus::after {
    /* 棕色小方块：焦点标记 */
    content: "";
    position: absolute;
    top: -3px;
    right: 20px;
    width: 10px;
    height: 10px;
    background: var(--accent);
}

.module-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}
.module-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--text);
}
.module-date {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--text-3);
    margin-left: auto;
}

.module-list {
    list-style: none;
}
.module-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    padding: 8px 0;
    border-bottom: var(--line-w) solid var(--line);
    font-size: 14px;
    line-height: 1.5;
}
.module-list li:last-child { border-bottom: 0; }
.module-list a { color: var(--text); }
.module-list a:hover { color: var(--accent); }
.module-list--mono a { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; }
.module-list-excerpt { color: var(--text-3); font-size: 13px; flex: 1; text-align: right; }

/* ============================================================
   6. Archive / post wall
   ============================================================ */
.archive-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: var(--gap);
    padding-bottom: 14px;
    border-bottom: 2px solid var(--primary);
}
.archive-title { font-size: 20px; font-weight: 700; }

.post-wall {
    display: grid;
    gap: var(--gap);
}

.entry-title { font-size: 22px; }
.entry-title a { color: var(--text); }
.entry-title a:hover { color: var(--primary); }
.module--focus .entry-title { font-size: 28px; }
.module--single .entry-title { font-size: 32px; }

.entry-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0 20px;
    margin-top: 12px;
    list-style: none;
    font-size: 13px;
    color: var(--text-2);
}
.entry-meta a { color: var(--text-2); }
.entry-meta a:hover { color: var(--accent); }

.entry-summary {
    margin-top: 16px;
    color: var(--text-2);
    font-size: 15px;
}
.entry-summary p { margin: 0; }

.entry-footer {
    margin-top: 18px;
    padding-top: 14px;
    border-top: var(--line-w) solid var(--line);
}
.read-more {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.module--empty { text-align: center; padding: 64px var(--pad); }

/* ============================================================
   7. Entry content
   ============================================================ */
.entry-content {
    margin-top: 28px;
    font-size: 16.5px;
    line-height: 1.9;
}
.entry-content > *:first-child { margin-top: 0; }

.entry-content p { margin: 0 0 1.4em; }

.entry-content h2,
.entry-content h3,
.entry-content h4 {
    margin: 2em 0 0.8em;
}
.entry-content h2 {
    font-size: 24px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
}
.entry-content h3 { font-size: 20px; }
.entry-content h4 { font-size: 17px; color: var(--text-2); }

.entry-content a { border-bottom: var(--line-w) solid var(--primary-mid); }
.entry-content a:hover { border-bottom-color: var(--accent); }

.entry-content ul, .entry-content ol { margin: 0 0 1.4em; padding-left: 1.6em; }
.entry-content li { margin: 0.3em 0; }

.entry-content blockquote {
    margin: 1.6em 0;
    padding: 12px 20px;
    border-left: 3px solid var(--accent);
    background: var(--paper-soft);
    color: var(--text-2);
}
.entry-content blockquote p:last-child { margin-bottom: 0; }

.entry-content code {
    font-family: var(--font-mono);
    font-size: 0.88em;
    padding: 1px 5px;
    background: var(--paper-soft);
    border: var(--line-w) solid var(--line);
}
.entry-content pre {
    margin: 1.6em 0;
    padding: 16px 20px;
    overflow-x: auto;
    background: var(--paper-soft);
    border: var(--line-w) solid var(--line);
    border-top: 2px solid var(--primary);
    font-family: var(--font-mono);
    font-size: 13.5px;
    line-height: 1.7;
}
.entry-content pre code { padding: 0; border: 0; background: transparent; font-size: inherit; }

.entry-content img {
    margin: 1.6em auto;
    border: var(--line-w) solid var(--line);
}

.entry-content hr {
    margin: 2.4em 0;
    border: 0;
    height: 2px;
    background: var(--primary);
    width: 48px;
}

/* 工程表格 */
.entry-content table {
    width: 100%;
    margin: 1.6em 0;
    border-collapse: collapse;
    font-size: 14.5px;
    background: var(--paper);
}
.entry-content thead th {
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    text-align: left;
    padding: 10px 14px;
    line-height: 1.3;
}
.entry-content tbody td {
    padding: 9px 14px;
    border-bottom: var(--line-w) solid var(--line);
    vertical-align: middle;
}
.entry-content tbody tr:nth-child(even) { background: var(--paper-soft); }
.entry-content td[align="right"], .entry-content th[align="right"] { font-variant-numeric: tabular-nums; }
.entry-content tfoot td {
    background: var(--bg);
    border-top: 2px solid var(--primary);
    font-weight: 600;
    padding: 9px 14px;
}

.entry-tags {
    margin-top: 32px;
    padding-top: 16px;
    border-top: var(--line-w) solid var(--line);
    font-size: 13px;
}
.entry-tags a {
    display: inline-block;
    margin: 0 6px 6px 0;
    padding: 2px 8px;
    border: var(--line-w) solid var(--line);
    color: var(--text-2);
    font-size: 12px;
    letter-spacing: 0.04em;
}
.entry-tags a:hover { border-color: var(--accent); color: var(--accent); }

/* 上一篇 / 下一篇 */
.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    margin-top: var(--gap);
}
.module--nav { padding: 18px 22px; display: flex; flex-direction: column; gap: 8px; }
.module--nav a { color: var(--text); font-size: 15px; font-weight: 700; }
.module--nav a:hover { color: var(--primary); }
.nav-next { text-align: right; }
.nav-next .module-code { align-self: flex-end; }

/* ============================================================
   8. Pagination (Typecho Box navigator, itemTag = '')
   ============================================================ */
.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: var(--gap);
    font-family: var(--font-mono);
    font-size: 13px;
}
.pagination a,
.pagination span {
    display: inline-block;
    min-width: 38px;
    padding: 8px 10px;
    text-align: center;
    background: var(--paper);
    border: var(--line-w) solid var(--line);
    color: var(--text-2);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ============================================================
   9. Aside
   ============================================================ */
.site-aside {
    display: grid;
    gap: var(--gap);
    min-width: 0;
}
.module--side { padding: 20px 22px; }

/* ============================================================
   10. Comments
   ============================================================ */
.module--comments { margin-top: var(--gap); }

.comment-list,
.comment-children {
    list-style: none;
    counter-reset: floor;
}
.comment-list > li { counter-increment: floor; }

.comment-body {
    position: relative;
    padding: 18px 0 18px 56px;
    border-top: var(--line-w) solid var(--line);
}
.comment-list > .comment-body:first-child { border-top: 0; }
.comment-list > .comment-body::before {
    /* 楼层编号 */
    content: "#" counter(floor, decimal-leading-zero);
    position: absolute;
    right: 0;
    top: 18px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--text-3);
}

.comment-author { display: flex; align-items: center; gap: 10px; }
.comment-author .avatar {
    position: absolute;
    left: 0;
    top: 18px;
    width: 40px;
    height: 40px;
    border: var(--line-w) solid var(--line);
}
.comment-author .fn { font-style: normal; font-weight: 700; font-size: 15px; }
.comment-by-author > .comment-author .fn::after {
    /* 作者评论：棕色小方块 */
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-left: 8px;
    background: var(--accent);
    vertical-align: middle;
}

.comment-meta {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--text-3);
}
.comment-meta a { color: var(--text-3); }
.comment-awaiting-moderation { color: var(--accent); font-style: normal; margin-left: 8px; }

.comment-content { margin-top: 8px; font-size: 15px; }
.comment-content p { margin: 0 0 0.6em; }
.comment-content p:last-child { margin-bottom: 0; }

.comment-reply { margin-top: 8px; }
.comment-reply a {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.comment-children {
    margin-top: 12px;
    padding-left: 16px;
    border-left: 2px solid var(--line);
}
.comment-children .comment-body { padding-left: 52px; }
.comment-children .comment-body::before { content: none; }

.respond { margin-top: 28px; padding-top: 24px; border-top: 2px solid var(--primary); }
.respond-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.cancel-comment-reply { margin-left: auto; font-size: 12px; }

.comment-form .form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}
.comment-form .field { display: block; }
.comment-form .field-label {
    display: block;
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--text-3);
    margin-bottom: 4px;
}
.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--paper-soft);
    border: var(--line-w) solid var(--line);
    outline: none;
    font-size: 15px;
}
.comment-form textarea { resize: vertical; line-height: 1.7; }
.comment-form input:focus,
.comment-form textarea:focus {
    background: #fff;
    border-color: var(--primary);
    box-shadow: inset 0 0 0 1px var(--primary);
}
.comment-form .form-actions { margin-top: 16px; }
.user-info { margin: 0 0 12px; font-size: 14px; color: var(--text-2); }
.user-info .sep { margin: 0 6px; color: var(--line); }
.comments-closed { margin: 0; color: var(--text-3); font-size: 14px; }

/* ============================================================
   11. Footer
   ============================================================ */
.site-footer {
    background: var(--paper);
    border-top: 2px solid var(--primary);
    padding: 40px 0 28px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}
.module--foot { padding: 20px 22px; background: var(--paper-soft); }
.module--foot .module-list li { padding: 5px 0; font-size: 13px; border-bottom-color: transparent; }

.footer-note {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-top: 28px;
    padding-top: 14px;
    border-top: var(--line-w) solid var(--line);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--text-3);
}
.footer-note-sep { width: 6px; height: 6px; background: var(--line); }

/* ============================================================
   12. 404
   ============================================================ */
.error-404 { text-align: center; padding: 64px var(--pad); max-width: 640px; margin: 0 auto; }
.error-404 .module-head { justify-content: center; }
.error-code {
    margin: 12px 0 8px;
    font-family: var(--font-mono);
    font-size: 96px;
    font-weight: 700;
    line-height: 1;
    color: var(--primary);
    letter-spacing: 0.06em;
}
.error-title { font-size: 22px; }
.error-description { color: var(--text-2); margin: 12px 0 28px; }

/* ============================================================
   13. Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .site-description { display: none; }
    .site-search input { width: 120px; }
}

@media (max-width: 960px) {
    .site-main { grid-template-columns: minmax(0, 1fr); }
    .site-aside { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --pad: 20px; --gap: 16px; }

    .header-inner { min-height: 60px; gap: 12px; }
    .site-nav, .site-search { display: none; }
    .menu-toggle { display: flex; }
    .scope-line { display: none; }

    .site-main { padding-top: 24px; padding-bottom: 32px; }
    .site-aside { grid-template-columns: 1fr; }

    .entry-title { font-size: 20px; }
    .module--focus .entry-title { font-size: 24px; }
    .module--single .entry-title { font-size: 26px; }
    .entry-content { font-size: 16px; }

    .post-nav { grid-template-columns: 1fr; }
    .nav-next { text-align: left; }
    .nav-next .module-code { align-self: flex-start; }

    .comment-form .form-row { grid-template-columns: 1fr; }
    .comment-body { padding-left: 50px; }
    .comment-children { padding-left: 8px; }
    .comment-children .comment-body { padding-left: 50px; }

    .footer-grid { grid-template-columns: 1fr; }
    .error-code { font-size: 64px; }
}