/* hexo-theme-tty
   配色和字号参考 claude.dev：暖黑底、米白字、陶土橙强调色，等宽字体做导航和标签。 */

@font-face {
  font-family: "Geist";
  src: url("../fonts/geist.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  /* 弯引号和省略号交给中文字体，避免中文里出现窄引号 */
  unicode-range: U+0000-2017, U+201A-201B, U+201E-2025, U+2027-FFFF;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2190-2199, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- tokens ---------- */

:root {
  --bg: #141413;
  --bg-raised: #1a1a18;
  --bg-panel: #1e1d1b;
  --ink: #faf9f5;
  --ink-2: #b0aea5;
  --ink-3: #87867f;
  --ink-4: #5e5d59;
  --line: #faf9f529;
  --line-soft: #faf9f517;
  --hover-row: #faf9f50b;
  --accent: #d97757;
  --accent-deep: #c15f3c;
  --on-accent: #141413;
  --scrim: #141413e6;

  --syn-blue: #82aaff;
  --syn-cyan: #89ddff;
  --syn-green: #c3e88d;
  --syn-purple: #c792ea;
  --diff-add: #9ac29a;
  --diff-add-bg: #78be7812;
  --diff-del: #c29a9a;
  --diff-del-bg: #be787812;

  --sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, "PingFang SC", "Noto Sans Mono CJK SC",
    "Noto Sans CJK SC", "Microsoft YaHei", monospace;

  --gutter: 2rem;
  --measure: 42rem;
  --h1: clamp(1.5rem, 1.1rem + 1vw, 2rem);

  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-scheme="dark"]) {
    --bg: #faf9f5;
    --bg-raised: #f1efe8;
    --bg-panel: #ece9e0;
    --ink: #141413;
    --ink-2: #4c4b45;
    --ink-3: #7b7a72;
    --ink-4: #a8a69d;
    --line: #14141338;
    --line-soft: #1414131c;
    --hover-row: #1414130d;
    --accent: #c15f3c;
    --accent-deep: #a94e2f;
    --scrim: #faf9f5eb;
    --syn-blue: #3065d7;
    --syn-cyan: #16749a;
    --syn-green: #567527;
    --syn-purple: #914dbe;
    --diff-add: #3e7a3e;
    --diff-add-bg: #50965017;
    --diff-del: #a04545;
    --diff-del-bg: #b45a5a17;
    color-scheme: light;
  }
}

:root[data-scheme="light"] {
  --bg: #faf9f5;
  --bg-raised: #f1efe8;
  --bg-panel: #ece9e0;
  --ink: #141413;
  --ink-2: #4c4b45;
  --ink-3: #7b7a72;
  --ink-4: #a8a69d;
  --line: #14141338;
  --line-soft: #1414131c;
  --hover-row: #1414130d;
  --accent: #c15f3c;
  --accent-deep: #a94e2f;
  --scrim: #faf9f5eb;
  --syn-blue: #3065d7;
  --syn-cyan: #16749a;
  --syn-green: #567527;
  --syn-purple: #914dbe;
  --diff-add: #3e7a3e;
  --diff-add-bg: #50965017;
  --diff-del: #a04545;
  --diff-del-bg: #b45a5a17;
  color-scheme: light;
}

/* ---------- base ---------- */

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

html {
  font-size: 112.5%;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main { flex: 1; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
kbd { font: inherit; }
img, svg { max-width: 100%; }
::selection { background: var(--accent); color: var(--on-accent); }
:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }

.skip { position: absolute; left: -999px; top: 1rem; z-index: 60; background: var(--ink); color: var(--bg); padding: .5rem .75rem; }
.skip:focus { left: 1rem; }

.wrap { width: 100%; max-width: 75rem; margin: 0 auto; padding: 0 var(--gutter); }

.split {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) minmax(0, 2.6fr);
  column-gap: var(--gutter);
}

.label {
  margin: 0;
  font: 400 .68rem/1.45 var(--mono);
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* 树形连接线 └，用边框画，不依赖字体里的制表符 */
.tl::before,
.tree-list > li::before,
.tree .toc-link::before {
  content: "";
  flex: none;
  display: inline-block;
  width: .5em;
  height: .62em;
  margin-right: .65em;
  border-left: 1px solid var(--ink-4);
  border-bottom: 1px solid var(--ink-4);
  transform: translateY(-.18em);
}

.tree-list { list-style: none; margin: 0; padding: 0; }
.tree-list > li { display: flex; align-items: baseline; }

.cursor {
  display: inline-block;
  width: .55em;
  height: 1.05em;
  margin-left: .2em;
  vertical-align: -.16em;
  background: var(--ink);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.px { display: block; }
.px path { fill: currentColor; }
.px-tile rect { fill: var(--accent); }
.px-tile path { fill: var(--on-accent); }

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: var(--gutter);
  height: 5.25rem;
}

.logo { flex: none; color: var(--accent); }
.logo .px { width: 2.7rem; height: auto; }

.topnav {
  flex: 1;
  display: flex;
  justify-content: space-around;
  gap: 1rem;
  font: 400 .8rem/1 var(--mono);
  letter-spacing: .02em;
  text-transform: uppercase;
}

.topnav a, .topnav button { color: var(--ink-2); padding: .5rem 0; white-space: nowrap; }
.topnav kbd { color: var(--ink-4); }
.topnav a:hover, .topnav button:hover, .topnav [aria-current] { color: var(--ink); }
.topnav a:hover kbd, .topnav button:hover kbd, .topnav [aria-current] kbd { color: var(--ink-2); }

.topbar-end { flex: none; display: flex; align-items: center; gap: 1rem; }

.scheme-btn { display: grid; place-items: center; width: 2rem; height: 2rem; color: var(--ink-2); }
.scheme-btn:hover { color: var(--ink); }
.scheme-btn svg { width: 1rem; height: 1rem; }

.btn-solid {
  background: var(--ink);
  color: var(--bg);
  font: 500 .8rem/1 var(--sans);
  padding: .62rem .85rem;
}
.btn-solid:hover { background: var(--accent); color: var(--on-accent); }

/* ---------- list pages ---------- */

.intro {
  position: sticky;
  top: 0;
  align-self: start;
  padding-top: 2.5rem;
}

.intro-title {
  margin: 0 0 1.1rem;
  font: 400 1.33rem/1.35 var(--mono);
  letter-spacing: .01em;
  overflow-wrap: anywhere;
}

.intro-text { margin: 0; max-width: 14em; color: var(--ink-2); font-size: .9rem; line-height: 1.6; }

.feed { min-width: 0; padding-top: 2.5rem; }

.tabs {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  font: 400 .72rem/1.4 var(--mono);
  letter-spacing: .03em;
}

.tabs-list { flex: 1; display: flex; flex-wrap: wrap; gap: .4rem 1.15rem; }
.tabs-list a { color: var(--ink-3); }
.tabs-list a:hover, .tabs-list a.on { color: var(--ink); }
.tabs-search { flex: none; color: var(--ink-2); text-transform: uppercase; }
.tabs-search kbd { color: var(--ink-3); }
.tabs-search:hover { color: var(--ink); }

.feature {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1.25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line-soft);
}

.feature-icon .px { width: 5.2rem; height: 5.2rem; }
.feature-body { min-width: 0; }
.badges { display: flex; flex-wrap: wrap; gap: .4rem; font: 400 .68rem/1 var(--mono); }
.badge { padding: .32rem .42rem; border: 1px solid var(--line); color: var(--ink-3); }
.badge-solid { background: var(--ink); border-color: var(--ink); color: var(--bg); }

.feature-title {
  display: block;
  margin: .65rem 0 .5rem;
  font: 500 1.33rem/1.28 var(--sans);
  color: var(--ink);
  text-wrap: balance;
}

.feature-date { font: 400 .78rem/1.4 var(--mono); color: var(--ink-3); }
.feature:hover .feature-title { color: var(--accent); }

.row {
  display: grid;
  grid-template-columns: 1.6rem 6.4rem minmax(0, 1fr) auto;
  gap: 0 1.4rem;
  align-items: start;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.row-icon { color: var(--ink-3); padding-top: .1rem; }
.row-icon .px { width: 1.4rem; height: 1.4rem; }
.row-date, .row-meta { font: 400 .78rem/1.85 var(--mono); color: var(--ink-3); white-space: nowrap; }
.row-title { color: var(--ink); line-height: 1.5; }
.row:hover .row-title { color: var(--accent); }
.row:hover .row-icon { color: var(--ink-2); }

.feature .row-meta { padding-top: 0; }

.group-head {
  margin: 2rem 0 0;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--line);
  font: 500 .8rem/1.4 var(--mono);
  letter-spacing: .03em;
  color: var(--ink);
}
.group-head:first-child { margin-top: 0; }

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
  font: 400 .72rem/1 var(--mono);
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.pager a { color: var(--ink-2); }
.pager a:hover { color: var(--ink); }

.years { list-style: none; margin: 2rem 0 0; padding: 0; font: 400 .78rem/1.9 var(--mono); }
.years a { color: var(--ink-3); }
.years a span { color: var(--ink-4); margin-left: .35em; }
.years a:hover, .years a[aria-current] { color: var(--ink); }
.years > li > a { color: var(--ink-2); }
.years .tree-list { margin-bottom: .6rem; }

.leaders { list-style: none; margin: 0; padding: 0; font: 400 .85rem/1.5 var(--mono); }
.leaders a { display: flex; align-items: baseline; gap: .75rem; padding: .7rem 0; border-bottom: 1px solid var(--line-soft); color: var(--ink-2); }
.leaders-dots { flex: 1; border-bottom: 1px dotted var(--ink-4); transform: translateY(-.3em); }
.leaders-n { color: var(--ink-3); }
.leaders a:hover { color: var(--accent); }

/* ---------- post ---------- */

.post-head { padding-top: 2.5rem; padding-bottom: 3rem; }
.post-icon .px { width: 3.6rem; height: 3.6rem; margin-bottom: 1.75rem; }

.post-title {
  margin: 0;
  font: 500 var(--h1)/1.2 var(--sans);
  letter-spacing: -.005em;
  text-wrap: balance;
}

.post-sub { margin: .8rem 0 0; color: var(--ink-2); }

.meta { display: flex; flex-wrap: wrap; gap: 1rem 3.2rem; margin: 2.2rem 0 0; }
.meta dt { margin-bottom: .3rem; font: 400 .68rem/1.45 var(--mono); letter-spacing: .03em; text-transform: uppercase; color: var(--ink-3); }
.meta dd { margin: 0; display: flex; align-items: baseline; font-size: .85rem; color: var(--ink); }
.meta dd a:hover { color: var(--accent); }

.rule { border-top: 1px solid var(--line-soft); }

.post-main { padding-top: 3rem; }
.post-aside { min-width: 0; }

.aside-in {
  position: sticky;
  top: 1.75rem;
  max-height: calc(100vh - 3.5rem);
  overflow-y: auto;
  scrollbar-width: none;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  padding-bottom: 1rem;
}

.aside-title { margin: 0; font: 500 .9rem/1.35 var(--sans); color: var(--ink); }

.tree { font: 400 .72rem/1.45 var(--mono); }
.tree summary { list-style: none; cursor: pointer; margin-bottom: .55rem; }
.tree summary::-webkit-details-marker { display: none; }
.tree ol { list-style: none; margin: 0; padding: 0; }
.tree ol ol { padding-left: 1.15em; }
.tree li { margin: .18rem 0; }
.tree .toc-link { display: flex; align-items: baseline; color: var(--ink-3); }
.tree .toc-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree .toc-link:hover { color: var(--ink-2); }
.tree .toc-link.on { color: var(--ink); }

.progress { display: flex; align-items: center; gap: .9rem; font: 400 .72rem/1 var(--mono); color: var(--ink-2); }

.bar {
  position: relative;
  flex: 1;
  height: .72rem;
  background: radial-gradient(circle, var(--ink-4) .5px, transparent 1px) 0 0 / 3px 3px;
}

.bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--p, 0) * 100%);
  min-width: 3px;
  background: repeating-conic-gradient(var(--ink) 0 25%, transparent 0 50%) 0 0 / 2px 2px;
}

.share button, .share a { color: var(--ink-3); font: 400 .72rem/1.9 var(--mono); }
.share button:hover, .share a:hover { color: var(--ink); }

.post-body { min-width: 0; }

.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gutter);
  max-width: var(--measure);
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
}

.post-nav a { display: flex; flex-direction: column; gap: .4rem; color: var(--ink); line-height: 1.45; }
.post-nav a:hover > :last-child { color: var(--accent); }
.post-nav-next { text-align: right; grid-column: 2; }

/* ---------- prose ---------- */

.prose {
  max-width: var(--measure);
  color: var(--ink-2);
  line-height: 1.7;
  overflow-wrap: break-word;
}

.prose > :first-child { margin-top: 0; }
.prose p { margin: 0 0 1.15em; }
.prose strong { color: var(--ink); font-weight: 600; }

.prose a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--ink-4);
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
}
.prose a:hover { color: var(--accent); text-decoration-color: currentColor; }

.prose :is(h1, h2, h3, h4, h5, h6) {
  position: relative;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 500;
  scroll-margin-top: 1.5rem;
}

/* claude.dev 的二级标题是小号等宽大写，对中文会显得比三级标题还小，这里改成逐级递减 */
.prose h1 { margin: 3rem 0 1.1rem; padding-bottom: .5rem; border-bottom: 1px solid var(--line-soft); font-size: 1.45rem; line-height: 1.35; }
.prose h2 { margin: 2.6rem 0 1rem; font-size: 1.25rem; line-height: 1.4; }
.prose h3 { margin: 2.1rem 0 .8rem; font-size: 1.08rem; line-height: 1.45; }
.prose :is(h4, h5, h6) { margin: 1.7rem 0 .6rem; font-size: 1rem; line-height: 1.5; }
.prose :is(h5, h6) { color: var(--ink-2); }

.prose .headerlink {
  position: absolute;
  right: 100%;
  padding-right: .55em;
  color: var(--ink-4);
  font-family: var(--mono);
  text-decoration: none;
  opacity: 0;
}
.prose .headerlink::before { content: "#"; }
.prose :is(h1, h2, h3, h4, h5, h6):hover .headerlink, .prose .headerlink:focus { opacity: 1; }

.prose ul, .prose ol { margin: 0 0 1.15em; padding-left: 1.6em; }
.prose li { margin: .3em 0; }
.prose li > ul, .prose li > ol { margin: .3em 0 0; }
.prose ul > li { list-style: none; position: relative; }
.prose ul > li::before { content: "-"; position: absolute; left: -1.2em; color: var(--ink-4); font-family: var(--mono); }
.prose ol > li::marker { font: 400 .85em var(--mono); color: var(--ink-3); }

.prose blockquote {
  margin: 1.5em 0;
  padding: .1em 0 .1em 1.1em;
  border-left: 2px solid var(--ink-4);
  color: var(--ink-3);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose hr { margin: 2.5em 0; border: 0; border-top: 1px dashed var(--line); }

.prose img {
  display: block;
  height: auto;
  margin: 1.5em auto;
  border: 1px solid var(--line-soft);
}
.zoomable .prose img { cursor: zoom-in; }

.prose :not(pre) > code {
  padding: .12em .38em;
  border: 1px solid var(--line-soft);
  background: var(--bg-panel);
  color: var(--ink);
  font: 400 .84em/1.5 var(--mono);
}

.prose > table {
  display: block;
  overflow-x: auto;
  width: 100%;
  margin: 1.5em 0;
  border-collapse: collapse;
  font-size: .875rem;
}
.prose > table th { font: 500 .68rem/1.45 var(--mono); letter-spacing: .03em; text-transform: uppercase; color: var(--ink-3); text-align: left; }
.prose > table :is(th, td) { padding: .6em 1.2em .6em 0; border-bottom: 1px solid var(--line-soft); vertical-align: top; }

.prose canvas { max-width: 100%; }

/* 代码块：Hexo 的 hljs 输出，<figure class="highlight 语言"><table> 行号 + 代码 */
.prose figure.highlight, .prose > pre {
  margin: 1.6em 0;
  border: 1px solid var(--line-soft);
  background: var(--bg-raised);
  color: var(--ink-2);
  font: 400 .75rem/1.75 var(--mono);
}

.prose > pre { padding: 1rem; overflow-x: auto; }
.prose > pre code { font: inherit; }

.code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .45rem 1rem;
  border-bottom: 1px solid var(--line-soft);
  font: 400 .66rem/1.5 var(--mono);
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.code-head button { text-transform: uppercase; letter-spacing: inherit; }
.code-head button:hover { color: var(--ink); }

.highlight table { width: 100%; margin: 0; border-collapse: collapse; }
.highlight td { padding: 0; border: 0; vertical-align: top; }
.highlight pre { margin: 0; padding: 1rem 0; font: inherit; }
.highlight .gutter { width: 1px; }
.highlight .gutter pre {
  padding-left: 1rem;
  padding-right: .8rem;
  text-align: right;
  color: var(--ink-4);
  border-right: 1px solid var(--line-soft);
  user-select: none;
}
/* max-width: 0 让代码列收缩，长行在 pre 里横向滚动，行号列不动 */
.highlight .code { max-width: 0; width: 100%; }
.highlight .code pre { overflow-x: auto; padding-left: 1rem; padding-right: 1rem; }
.highlight .line { white-space: pre; }

.hljs-keyword, .hljs-selector-tag, .hljs-section, .hljs-name, .hljs-doctag { color: var(--syn-purple); }
.hljs-string, .hljs-regexp, .hljs-char.escape_ { color: var(--syn-green); }
.hljs-title, .hljs-built_in, .hljs-function .hljs-title { color: var(--syn-blue); }
.hljs-number, .hljs-literal, .hljs-symbol, .hljs-bullet, .hljs-attr, .hljs-attribute, .hljs-variable,
.hljs-template-variable, .hljs-type, .hljs-selector-class, .hljs-selector-id, .hljs-link { color: var(--syn-cyan); }
.hljs-comment, .hljs-quote, .hljs-meta { color: var(--ink-3); }
.hljs-meta .hljs-keyword { color: var(--syn-purple); }
.hljs-meta .hljs-string { color: var(--syn-green); }
.hljs-addition { color: var(--diff-add); background: var(--diff-add-bg); }
.hljs-deletion { color: var(--diff-del); background: var(--diff-del-bg); }
.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: 600; }

/* 脚注 */
.fn-ref { font: 400 .68em/0 var(--mono); margin: 0 .08em; }
.prose .fn-ref a { color: var(--accent); text-decoration: none; }
.fn-ref a::before { content: "["; }
.fn-ref a::after { content: "]"; }

.footnotes {
  margin-top: 3.5em;
  padding-top: 1.4em;
  border-top: 1px solid var(--line-soft);
  font-size: .85rem;
  line-height: 1.65;
  color: var(--ink-3);
}
.footnotes-label { margin: 0 0 1em; font: 400 .68rem/1.45 var(--mono); letter-spacing: .03em; text-transform: uppercase; }
.footnotes ol { padding-left: 1.9em; }
.footnotes li:target { color: var(--ink); }
.prose .fn-back { margin-left: .3em; color: var(--ink-4); text-decoration: none; font-family: var(--mono); }
.prose .fn-back:hover { color: var(--accent); }

/* ---------- footer ---------- */

.footer { margin-top: 6rem; border-top: 1px solid var(--line-soft); }

.footer-in {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 2rem;
  padding-top: 1.4rem;
  padding-bottom: 2rem;
  font: 400 .68rem/1.6 var(--mono);
  letter-spacing: .03em;
  color: var(--ink-3);
}

.footer-in p { display: flex; flex-wrap: wrap; gap: .4rem 1.6rem; margin: 0; }
.footer-in a:hover { color: var(--ink); }

/* ---------- 404 ---------- */

.term { padding: 4rem 0 2rem; font: 400 .9rem/1.9 var(--mono); color: var(--ink-2); }
.term p { margin: 0; }
.term .prompt { color: var(--accent); }
.term-err { color: var(--ink); }
.term-note { color: var(--ink-4); }
.term a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--ink-4); text-underline-offset: .22em; }
.term a:hover { color: var(--accent); }

/* ---------- search ---------- */

.search {
  width: min(40rem, calc(100vw - 2rem));
  max-height: min(34rem, calc(100vh - 8rem));
  margin: 12vh auto auto;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--ink);
}
.search[open] { display: flex; flex-direction: column; }
.search::backdrop { background: var(--scrim); }

.search-input {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--line-soft);
  font: 400 .9rem/1.4 var(--mono);
}
.search-input .prompt { color: var(--accent); }
.search-input input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: none;
  color: var(--ink);
  font: inherit;
}
.search-input input::-webkit-search-cancel-button { display: none; }
.search-input kbd { font-size: .66rem; color: var(--ink-4); }

.search-results { flex: 1; overflow-y: auto; list-style: none; margin: 0; padding: .35rem 0; }
.search-results:empty { display: none; }
.search-results a { display: block; padding: .6rem 1rem .6rem calc(1rem - 2px); border-left: 2px solid transparent; }
.search-results [aria-selected="true"] a { background: var(--hover-row); border-left-color: var(--accent); }
.search-results .r-title { display: block; color: var(--ink); }
.search-results .r-meta { display: block; margin-top: .1rem; font: 400 .68rem/1.5 var(--mono); color: var(--ink-4); }
.search-results .r-snippet { display: block; margin-top: .2rem; font-size: .78rem; line-height: 1.55; color: var(--ink-3); }
.search-results mark { background: none; color: var(--accent); }
.search-results .r-empty { padding: .8rem 1rem; font: 400 .78rem/1.5 var(--mono); color: var(--ink-3); }

.search-foot {
  margin: 0;
  padding: .55rem 1rem;
  border-top: 1px solid var(--line-soft);
  font: 400 .66rem/1.5 var(--mono);
  color: var(--ink-4);
}

/* ---------- image zoom ---------- */

.zoom {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 2rem;
  background: var(--scrim);
  cursor: zoom-out;
}
.zoom img { max-width: 100%; max-height: 100%; border: 1px solid var(--line); background: var(--bg); }

/* ---------- responsive ---------- */

@media (max-width: 960px) {
  .topnav kbd { display: none; }
}

@media (max-width: 860px) {
  :root { --gutter: 1.25rem; }

  .split { grid-template-columns: minmax(0, 1fr); }
  .split > div:empty { display: none; }

  .intro { position: static; padding-top: 1.5rem; }
  .intro-text { max-width: none; }
  .years { display: flex; flex-wrap: wrap; gap: 0 2rem; margin-top: 1.2rem; }
  .years .tree-list { display: none; }
  .feed { padding-top: 2rem; }

  .post-head { padding-top: 1.5rem; padding-bottom: 2rem; }
  .post-main { padding-top: 1.5rem; }
  .aside-in { position: static; max-height: none; overflow: visible; padding-bottom: 1.5rem; }
  .aside-title, .progress, .post-aside .label:not(summary), .share { display: none !important; }
  .tree summary { margin-bottom: 0; }
  .tree summary::after { content: " +"; }
  .tree[open] summary::after { content: " −"; }
  .tree[open] summary { margin-bottom: .55rem; }
}

@media (max-width: 640px) {
  html { font-size: 100%; }
  .topbar { height: 4rem; gap: 1rem; }
  .logo .px { width: 2.2rem; }
  .topnav { justify-content: flex-end; gap: 1.1rem; }
  .btn-solid { display: none; }
  .topbar-end { gap: 0; }

  .tabs-search { display: none; }

  .row { grid-template-columns: 1.4rem minmax(0, 1fr) auto; gap: .1rem 1rem; }
  .row-icon { grid-row: span 2; }
  .row-date { grid-column: 2; grid-row: 2; }
  .row-title { grid-column: 2; grid-row: 1; }
  .row-meta { grid-column: 3; grid-row: 1; }

  .feature { grid-template-columns: auto minmax(0, 1fr); }
  .feature .row-meta { display: none; }
  .feature-icon .px { width: 4rem; height: 4rem; }

  .meta { gap: 1rem 2rem; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-next { grid-column: 1; text-align: left; }
  .prose .headerlink { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
}