/* ==========================================================================
   Mancouj · 大字标识 + 小字正文（阅读向）
   字体（Open Runde / Syne / 霞鹜文楷屏幕阅读版）由构建时裁剪，见 docs/static/fonts.css
   改个人主色：只需改下面的 --accent
   ========================================================================== */

:root {
  --cjk: "LXGW WenKai Screen";
  --sans: "Open Runde", var(--cjk), -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --display: "Syne", var(--cjk), sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --bg: #f7f7f5;
  --fg: #1a1a18;
  --body: #33312c;
  --muted: #6f6d67;
  --faint: #a6a49e;
  --hair: #e7e6e2;
  --hover: #ececea;
  --accent: #e0361c;
  --code-bg: #efeeeb;
  --select: #e6e2d9;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);

  --measure: 652px;
}

[data-theme="dark"] {
  --bg: #0b0b09;
  --fg: #ededed;
  --body: #c6c4be;
  --muted: #9b9a95;
  --faint: #66655f;
  --hair: #232320;
  --hover: #191918;
  --accent: #ff3b2f;
  --code-bg: #191918;
  --select: #2f2d29;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.2s ease, color 0.2s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--select);
  color: var(--fg);
}

/* --- 页头：大字标识 + 小字导航 ------------------------------------------- */
.site-header {
  max-width: var(--measure);
  margin: 0 auto;
  padding: clamp(40px, 7vw, 96px) 24px 0;
  margin-bottom: clamp(30px, 5vw, 48px);
}

.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.32rem;
  line-height: 1.3;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

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

.tagline {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.01em;
}

/* --- 主体 ---------------------------------------------------------------- */
.site-main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 24px clamp(56px, 8vw, 84px);
}

.section {
  margin-top: clamp(36px, 6vw, 54px);
}

.section:first-child {
  margin-top: 0;
}

.label {
  display: block;
  margin-bottom: 10px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* --- 列表 ---------------------------------------------------------------- */
.post-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.post-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 7px 0;
  transition: opacity 120ms var(--ease-out);
}

.post-row:active {
  opacity: 0.6;
}

.post-row .title {
  font-size: 0.88rem;
  line-height: 1.45;
  transition: color 0.16s ease;
}

.post-row:hover .title {
  color: var(--accent);
}

.post-year {
  flex: 0 0 2.6rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.pin {
  margin-left: 0.4em;
  font-size: 0.72em;
  color: var(--accent);
  vertical-align: 0.12em;
}

/* --- 链接：muted + faint 下划线, hover 朱红（全站统一）------------------- */
.links a,
.links button,
.markdown-body a,
.notfound-back,
.chip {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--faint);
  text-underline-offset: 3px;
  transition: color 0.16s ease, text-decoration-color 0.16s ease, opacity 120ms var(--ease-out);
}

.links a:hover,
.links button:hover,
.markdown-body a:hover,
.notfound-back:hover,
.chip:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

/* --- 别处 / 链接 --------------------------------------------------------- */
.links {
  color: var(--muted);
  font-size: 0.8rem;
}

.links button {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.links button:active {
  opacity: 0.6;
}

/* --- 文章页 -------------------------------------------------------------- */
.post {
  max-width: var(--measure);
}

.post-header {
  margin-bottom: clamp(24px, 4vw, 34px);
}

.post-title {
  font-size: 1.14rem;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.01em;
  margin-bottom: 9px;
}

/* 标题旁的回 issue 图标 */
.post-source {
  display: inline-flex;
  vertical-align: -0.1em;
  margin-left: 0.42em;
  color: var(--faint);
  transition: color 0.16s ease;
}

.post-source:hover {
  color: var(--accent);
}

.post-source svg {
  display: block;
  width: 0.85em;
  height: 0.85em;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.post-meta .dot {
  opacity: 0.7;
}

.post-meta .tag {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0;
  color: var(--muted);
  transition: color 0.16s ease;
}

.post-meta .tag:hover {
  color: var(--accent);
}

/* --- 正文排版 ------------------------------------------------------------ */
.markdown-body {
  font-size: 0.88rem;
  line-height: 1.65;
  letter-spacing: 0.004em;
  color: var(--body);
  word-wrap: break-word;
}

.markdown-body > :first-child {
  margin-top: 0;
}

.markdown-body > :last-child {
  margin-bottom: 0;
}

.markdown-body p {
  margin-bottom: 12px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  color: var(--fg);
  line-height: 1.45;
  margin: 34px 0 12px;
}

.markdown-body h1 {
  font-size: 1.02rem;
  font-weight: 500;
}

.markdown-body h2 {
  font-size: 0.98rem;
  font-weight: 500;
}

.markdown-body h3,
.markdown-body h4 {
  font-size: 0.95rem;
  font-weight: 500;
}

.markdown-body strong {
  font-weight: 400;
  color: var(--fg);
}

.markdown-body ul,
.markdown-body ol {
  margin-bottom: 21px;
  padding-left: 1.5em;
}

.markdown-body li {
  margin: 0.3em 0;
}

.markdown-body li::marker {
  color: var(--faint);
}

.markdown-body blockquote {
  margin: 22px 0;
  padding-left: 17px;
  border-left: 2px solid var(--hair);
  color: var(--muted);
}

.markdown-body hr {
  margin: 36px 0;
  border: 0;
  border-top: 1px solid var(--hair);
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.markdown-body code {
  padding: 0.12em 0.4em;
  border-radius: 3px;
  background: var(--code-bg);
  font-family: var(--mono);
  font-size: 0.84em;
  color: var(--fg);
}

.markdown-body pre {
  margin: 22px 0;
  padding: 14px 16px;
  overflow-x: auto;
  border: 1px solid var(--hair);
  border-radius: 4px;
  background: var(--code-bg);
  line-height: 1.7;
  -webkit-overflow-scrolling: touch;
}

.markdown-body pre code {
  padding: 0;
  background: none;
  font-size: 0.82rem;
}

.markdown-body table {
  display: block;
  width: max-content;
  max-width: 100%;
  margin: 22px 0;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.markdown-body th,
.markdown-body td {
  padding: 0.4em 0.8em;
  border: 1px solid var(--hair);
}

.markdown-body th {
  background: var(--hover);
  font-weight: 400;
  color: var(--fg);
}

.markdown-body kbd {
  padding: 0.12em 0.42em;
  border: 1px solid var(--hair);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--hover);
  font-family: var(--mono);
  font-size: 0.8em;
}

.markdown-body .task-list-item {
  list-style: none;
}

.markdown-body .task-list-item input {
  margin: 0 0.5em 0.15em -1.4em;
  vertical-align: middle;
}

/* 代码语法高亮（Pygments 短 class 名）*/
.markdown-body .highlight {
  margin: 22px 0;
}

.markdown-body .highlight pre {
  margin: 0;
}

.markdown-body code .c,
.markdown-body code .c1,
.markdown-body code .cm {
  color: #6b7280;
  font-style: italic;
}

.markdown-body code .k,
.markdown-body code .kd,
.markdown-body code .kn,
.markdown-body code .kc {
  color: #cf222e;
}

.markdown-body code .s,
.markdown-body code .s1,
.markdown-body code .s2,
.markdown-body code .sb {
  color: #0a3069;
}

.markdown-body code .m,
.markdown-body code .mi,
.markdown-body code .mf {
  color: #0550ae;
}

.markdown-body code .nf,
.markdown-body code .na {
  color: #8250df;
}

.markdown-body code .nt {
  color: #953800;
}

.markdown-body code .o,
.markdown-body code .p {
  color: var(--muted);
}

[data-theme="dark"] .markdown-body code .k,
[data-theme="dark"] .markdown-body code .kd,
[data-theme="dark"] .markdown-body code .kn,
[data-theme="dark"] .markdown-body code .kc {
  color: #ff7b72;
}

[data-theme="dark"] .markdown-body code .s,
[data-theme="dark"] .markdown-body code .s1,
[data-theme="dark"] .markdown-body code .s2,
[data-theme="dark"] .markdown-body code .sb {
  color: #a5d6ff;
}

[data-theme="dark"] .markdown-body code .m,
[data-theme="dark"] .markdown-body code .mi,
[data-theme="dark"] .markdown-body code .mf {
  color: #79c0ff;
}

[data-theme="dark"] .markdown-body code .nf,
[data-theme="dark"] .markdown-body code .na {
  color: #d2a8ff;
}

[data-theme="dark"] .markdown-body code .nt {
  color: #ffa657;
}

/* --- 404 ---------------------------------------------------------------- */
/* Back 链接：字号继承 tagline（下划线/hover 由上方统一规则提供）*/
.notfound-back {
  font-size: inherit;
}

/* --- 标签页 -------------------------------------------------------------- */
.tag-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5em;
  margin-bottom: 12px;
  font-size: 0.8rem;
}

.tag-filter .sep {
  color: var(--faint);
}

.chip {
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

.chip:active {
  opacity: 0.6;
}

.chip.is-active {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}