/* Loopwise: ink-on-fog editorial theme. Fonts are self-hosted subsets (see scripts/make-fonts.py). */

@font-face { font-family: "LW Display"; src: url("/assets/fonts/display-800.woff") format("woff"); font-weight: 800; font-display: swap; }
@font-face { font-family: "LW Display"; src: url("/assets/fonts/display-600.woff") format("woff"); font-weight: 600 700; font-display: swap; }
@font-face { font-family: "LW UI"; src: url("/assets/fonts/ui-400.woff") format("woff"); font-weight: 400 500; font-display: swap; }
@font-face { font-family: "LW UI"; src: url("/assets/fonts/ui-600.woff") format("woff"); font-weight: 600 700; font-display: swap; }
@font-face { font-family: "LW Serif"; src: url("/assets/fonts/serif-400.woff") format("woff"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "LW Serif"; src: url("/assets/fonts/serif-400i.woff") format("woff"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "LW Serif"; src: url("/assets/fonts/serif-700.woff") format("woff"); font-weight: 600 800; font-style: normal; font-display: swap; }
@font-face { font-family: "LW Mono"; src: url("/assets/fonts/mono-400.woff") format("woff"); font-weight: 400; font-display: swap; }

:root {
  --paper: #F1F4F9;
  --surface: #FFFFFF;
  --ink: #0D1A3F;
  --muted: #4A5675;
  --line: #D5DCEA;
  --cobalt: #2540FF;
  --on-cobalt: #FFFFFF;
  --signal: #FF7A00;
  --band-bg: #0D1A3F;
  --band-fg: #FFFFFF;
  --code-bg: #0B1433;
  --code-fg: #E3E9FB;
  --code-bar: #16224D;
  --inline-code: #E4E9F6;
  --good: #0E7A55;
  --warn: #B85400;
  --bad: #C0283F;

  --display: "LW Display", "Inter Display", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ui: "LW UI", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "LW Serif", Cambria, "Iowan Old Style", Georgia, serif;
  --mono: "LW Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius-s: 8px;
  --radius-m: 14px;
  --header-h: 4rem;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #0A1230;
  --surface: #111B45;
  --ink: #E8EDFB;
  --muted: #A3AFD1;
  --line: #26336A;
  --cobalt: #8FA0FF;
  --on-cobalt: #0A1230;
  --band-bg: #16225A;
  --band-fg: #FFFFFF;
  --code-bg: #070D24;
  --code-bar: #121C45;
  --inline-code: #1B2754;
  --good: #4FD6A0;
  --warn: #FFA24D;
  --bad: #FF8A9B;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0A1230;
    --surface: #111B45;
    --ink: #E8EDFB;
    --muted: #A3AFD1;
    --line: #26336A;
    --cobalt: #8FA0FF;
    --on-cobalt: #0A1230;
    --band-bg: #16225A;
    --band-fg: #FFFFFF;
    --code-bg: #070D24;
    --code-bar: #121C45;
    --inline-code: #1B2754;
    --good: #4FD6A0;
    --warn: #FFA24D;
    --bad: #FF8A9B;
    color-scheme: dark;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 1rem); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.55 var(--ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; }
a { color: var(--cobalt); text-underline-offset: 0.18em; }
a:hover { color: var(--ink); }
::selection { background: var(--cobalt); color: var(--on-cobalt); }
:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; text-wrap: balance; margin: 0; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.25rem; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--ink); color: var(--paper); padding: 0.6rem 1rem; border-radius: var(--radius-s); z-index: 100; }
.skip:focus { top: 1rem; }
.wrap { width: min(100% - 2rem, 72rem); margin-inline: auto; }
.narrow > * { max-width: 46rem; }
.page-head .tool-kind { margin: 0.6rem 0 0; }
.fine { font-size: 0.9rem; color: var(--muted); }
.fine a { color: inherit; }
.linklike { background: none; border: 0; padding: 0; font: inherit; color: inherit; cursor: pointer; text-decoration: underline; text-underline-offset: 0.18em; }
.linklike:hover { color: var(--cobalt); }

/* ---------- Buttons and fields ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.2rem; border-radius: var(--radius-s); border: 2px solid transparent;
  font: 600 0.95rem/1.2 var(--ui); text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.btn-small { padding: 0.5rem 0.9rem; font-size: 0.88rem; }
.btn-primary { background: var(--cobalt); color: var(--on-cobalt); }
.btn-primary:hover { background: var(--ink); color: var(--paper); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-quiet { color: var(--ink); background: transparent; }
.btn-quiet:hover { background: var(--line); color: var(--ink); }
.icon-btn { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border: 0; background: transparent; color: var(--ink); border-radius: var(--radius-s); cursor: pointer; }
.icon-btn:hover { background: var(--line); }
.icon-btn svg { width: 1.35rem; height: 1.35rem; }

input[type="email"], input[type="search"], input[type="text"] {
  font: 400 1rem/1.2 var(--ui); color: var(--ink); background: var(--surface);
  border: 2px solid var(--ink); border-radius: var(--radius-s); padding: 0.75rem 0.95rem; min-width: 0;
}
input::placeholder { color: var(--muted); opacity: 0.85; }

.subscribe { margin: 1.5rem 0 0; max-width: 34rem; }
.subscribe-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.subscribe-row input[type="email"] { flex: 1 1 14rem; }
.form-note { margin: 0.6rem 0 0; font-size: 0.88rem; color: var(--muted); }
.form-status { margin: 0.4rem 0 0; font-size: 0.92rem; font-weight: 600; min-height: 1.3em; }
.form-status.ok { color: var(--good); }
.form-status.err { color: var(--bad); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40; height: var(--header-h);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; gap: 1.5rem; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--ink); text-decoration: none; font: 800 1.35rem/1 var(--display); letter-spacing: -0.04em; }
.brand:hover { color: var(--ink); }
.brand .mark { width: 1.75rem; height: 1.75rem; }
.nav { margin-left: 0.5rem; }
.nav ul { display: flex; gap: 0.25rem; list-style: none; margin: 0; padding: 0; }
.nav a { display: block; padding: 0.5rem 0.8rem; border-radius: var(--radius-s); color: var(--ink); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.nav a:hover { background: var(--line); }
.nav a[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--signal); border-radius: 0; }
.bar-actions { margin-left: auto; display: flex; align-items: center; gap: 0.25rem; }
.bar-cta { margin-left: 0.5rem; }
.nav-toggle { display: none; }

dialog.search { width: min(38rem, 92vw); margin: 8vh auto 0; border: 0; border-radius: var(--radius-m); padding: 1rem; background: var(--surface); color: var(--ink); box-shadow: 0 24px 70px rgb(13 26 63 / 0.35); }
dialog.search::backdrop { background: rgb(13 26 63 / 0.55); }
.search-head { display: flex; gap: 0.5rem; }
.search-head input { flex: 1; }
.search-results { list-style: none; margin: 0.75rem 0 0; padding: 0; max-height: 55vh; overflow: auto; }
.search-results a { display: block; padding: 0.7rem 0.6rem; border-radius: var(--radius-s); color: var(--ink); text-decoration: none; }
.search-results a:hover, .search-results a:focus-visible { background: var(--paper); }
.search-results strong { display: block; font: 700 1.05rem/1.25 var(--display); letter-spacing: -0.015em; }
.search-results span { display: block; font-size: 0.9rem; color: var(--muted); }
.search-results .none { padding: 0.7rem 0.6rem; color: var(--muted); }

@media (max-width: 800px) {
  .bar { gap: 0.5rem; }
  .bar-cta { display: none; }
  .nav-toggle { display: grid; }
  .js .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; margin: 0; padding: 0.75rem 1rem 1rem; background: var(--paper); border-bottom: 1px solid var(--line); }
  .js .nav.open { display: block; }
  .nav ul { flex-direction: column; }
  .no-js .site-header { height: auto; position: static; }
  .no-js .bar { flex-wrap: wrap; height: auto; padding-block: 0.75rem; }
  .no-js .nav { order: 3; width: 100%; margin: 0; }
  .no-js .nav ul { flex-direction: row; flex-wrap: wrap; }
}

/* ---------- Hero and loop ---------- */
.hero { padding: clamp(2rem, 5vw, 4rem) 0 clamp(1rem, 3vw, 2rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.hero h1 { font-size: clamp(2.7rem, 1.3rem + 5.2vw, 5.4rem); line-height: 0.98; letter-spacing: -0.04em; }
.lede { font: 400 clamp(1.1rem, 1rem + 0.5vw, 1.3rem)/1.5 var(--serif); color: var(--muted); max-width: 38rem; margin-top: 1.25rem; }
.hero .lede { color: var(--ink); }

.loop { position: relative; width: 100%; max-width: 31rem; aspect-ratio: 1; margin-inline: auto; color: var(--ink); }
.loop-track { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.stop {
  position: absolute; transform: translate(-50%, -50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; padding: 0.45rem 1rem 0.5rem;
  background: var(--surface); color: var(--ink); border: 2px solid var(--ink); border-radius: 999px; text-decoration: none; line-height: 1.15;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.stop strong { font: 700 1.05rem/1.15 var(--display); letter-spacing: -0.02em; }
.stop small { font-size: 0.76rem; color: var(--muted); }
.stop:hover, .stop:focus-visible { background: var(--cobalt); border-color: var(--cobalt); color: var(--on-cobalt); }
.stop:hover small, .stop:focus-visible small { color: inherit; opacity: 0.85; }
.stop-top { left: 50%; top: 10%; }
.stop-right { left: 90%; top: 50%; }
.stop-bottom { left: 50%; top: 90%; }
.stop-left { left: 10%; top: 50%; }
.loop-core { position: absolute; inset: 22%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 0.35rem; }
.loop-core time, .loop-read { font-size: 0.82rem; color: var(--muted); }
.loop-latest { font: 700 clamp(1.05rem, 0.8rem + 1.1vw, 1.5rem)/1.12 var(--display); letter-spacing: -0.03em; color: var(--ink); text-decoration: none; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; text-wrap: balance; }
a.loop-latest:hover { color: var(--cobalt); text-decoration: underline; text-underline-offset: 0.18em; text-decoration-thickness: 2px; }

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .loop { max-width: 26rem; }
}
@media (max-width: 440px) {
  .stop { padding: 0.35rem 0.7rem 0.4rem; }
  .stop strong { font-size: 0.92rem; }
  .stop small { font-size: 0.7rem; }
  .loop-core { inset: 24%; }
}

/* ---------- Sections ---------- */
.block { padding: clamp(2.25rem, 5vw, 3.75rem) 0; }
.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.block-head h2 { font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.4rem); letter-spacing: -0.035em; }
.block-head a { font-weight: 600; white-space: nowrap; }
.band { background: var(--band-bg); color: var(--band-fg); padding: clamp(2.5rem, 6vw, 4.25rem) 0; }
.band-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.band h2 { font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.7rem); margin-bottom: 0.75rem; }
.band p { color: color-mix(in srgb, var(--band-fg) 80%, transparent); }
.band .subscribe { margin: 0; max-width: none; }
.band .form-note { color: color-mix(in srgb, var(--band-fg) 70%, transparent); }
.band input[type="email"] { border-color: var(--band-fg); }
.band .btn-primary { background: var(--signal); color: #1B0F00; }
.band .btn-primary:hover { background: #fff; color: var(--band-bg); }
.band .form-status.ok { color: #6EF0BB; }
.band .form-status.err { color: #FFA3B1; }
@media (max-width: 800px) { .band-grid { grid-template-columns: 1fr; } }

.page-head { padding: clamp(1.75rem, 4vw, 3rem) 0 1.25rem; }
.page-head h1 { font-size: clamp(2.2rem, 1.4rem + 3.4vw, 3.9rem); line-height: 1.02; letter-spacing: -0.04em; max-width: 24ch; }
.page-head .lede { margin-top: 1rem; }
.empty, .empty-state { color: var(--muted); padding: 1.5rem 0; }

.crumbs ol { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; margin: 0 0 1.1rem; padding: 0; font-size: 0.9rem; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 0.5rem; color: var(--line); }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--cobalt); }

.filters { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: center; justify-content: space-between; margin-top: 1.75rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; margin: 0; padding: 0; }
.chips a { display: block; padding: 0.35rem 0.9rem; border: 1.5px solid var(--line); border-radius: 999px; font-weight: 600; font-size: 0.9rem; color: var(--ink); text-decoration: none; background: var(--surface); }
.chips a:hover { border-color: var(--ink); }
.chips a[aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.filters input[type="search"] { width: min(100%, 20rem); }

/* ---------- Article lists ---------- */
.rows { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.row { border-bottom: 1px solid var(--line); }
.row-link { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr) 7.5rem; gap: 1.5rem; padding: 1.4rem 0; color: inherit; text-decoration: none; }
.row-date, .row-meta { font-size: 0.9rem; color: var(--muted); padding-top: 0.4rem; font-variant-numeric: tabular-nums; }
.row-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 0.15rem; }
.row-cat { font-weight: 600; color: var(--ink); }
.row-title { display: block; font: 700 clamp(1.25rem, 1rem + 0.9vw, 1.65rem)/1.18 var(--display); letter-spacing: -0.025em; text-wrap: balance; }
.row-desc { display: block; margin-top: 0.4rem; color: var(--muted); max-width: 60ch; }
.row-link:hover .row-title { color: var(--cobalt); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.2em; }
@media (max-width: 680px) {
  .row-link { grid-template-columns: 1fr; gap: 0.35rem; padding: 1.15rem 0; }
  .row-date, .row-meta { padding-top: 0; }
  .row-meta { flex-direction: row; justify-content: flex-start; gap: 1rem; }
  .row-link > .row-date { order: -1; }
}

/* ---------- Tools ---------- */
.tool-rows { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.tool-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: center; padding: 1.35rem 0; border-bottom: 1px solid var(--line); }
.tool-row h3 { font-size: 1.45rem; letter-spacing: -0.03em; }
.tool-row h3 a { color: var(--ink); text-decoration: none; }
.tool-row h3 a:hover { color: var(--cobalt); text-decoration: underline; text-underline-offset: 0.2em; }
.tool-row p { margin: 0.2rem 0 0; color: var(--muted); max-width: 52ch; }
.tool-row .tool-kind { margin: 0.3rem 0 0.1rem; }
.tool-kind { font-weight: 600; font-size: 0.9rem; color: var(--ink); margin: 0.35rem 0 0; }
.tool-row-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: flex-end; }
.block-tools { background: var(--surface); border-block: 1px solid var(--line); }
.table-h { font-size: 1.6rem; margin: 3rem 0 1rem; letter-spacing: -0.03em; }
@media (max-width: 680px) {
  .tool-row { grid-template-columns: 1fr; gap: 0.9rem; }
  .tool-row-actions { justify-content: flex-start; }
}
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 2.5rem; margin: 1.5rem 0; }
.fit-grid h2 { font-size: 1.35rem; margin: 0 0 0.5rem; }
@media (max-width: 680px) { .fit-grid { grid-template-columns: 1fr; } }

.table-wrap { overflow-x: auto; margin: 1.5rem 0; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
th, td { text-align: left; padding: 0.7rem 0.9rem 0.7rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { border-bottom: 2px solid var(--ink); font: 700 0.95rem var(--display); letter-spacing: -0.01em; }
tbody th { font-weight: 600; }

/* ---------- Post ---------- */
.post-wrap { display: grid; grid-template-columns: minmax(0, 44rem) 17rem; gap: clamp(2rem, 5vw, 4.5rem); justify-content: center; padding-block: clamp(1.5rem, 4vw, 2.75rem) 3rem; }
.post-head h1 { font-size: clamp(2.1rem, 1.3rem + 2.8vw, 3.35rem); line-height: 1.04; letter-spacing: -0.04em; }
.post-head .lede { margin-top: 1rem; }
.byline { display: flex; flex-wrap: wrap; gap: 0.35rem 0; margin: 1.5rem 0 0; font-size: 0.92rem; color: var(--muted); }
.byline span { padding-right: 1.1rem; margin-right: 1.1rem; border-right: 1px solid var(--line); }
.byline span:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.byline a { color: var(--ink); font-weight: 600; }
.disclosure { margin: 1.25rem 0 0; padding: 0.75rem 1rem; border-left: 3px solid var(--signal); background: var(--surface); font-size: 0.92rem; border-radius: 0 var(--radius-s) var(--radius-s) 0; }
.post-head { margin-bottom: 1.75rem; }

.prose { font: 400 1.2rem/1.7 var(--serif); }
.prose > :first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol, .prose figure, .prose .table-wrap { margin: 0 0 1.3em; }
.prose h2 { position: relative; font-size: clamp(1.65rem, 1.3rem + 1.1vw, 2.1rem); line-height: 1.1; margin: 2.3em 0 0.6em; }
.prose h3 { position: relative; font-size: 1.35rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; margin: 1.9em 0 0.5em; }
.prose li { margin-bottom: 0.4em; }
.prose li::marker { color: var(--signal); }
.prose a { text-decoration-thickness: 1.5px; }
.prose strong { font-weight: 700; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5em 0; }
.prose blockquote { margin: 1.5em 0; padding: 0 0 0 1.25rem; border-left: 3px solid var(--ink); font-style: italic; }
.prose :not(pre) > code { font: 0.82em var(--mono); background: var(--inline-code); padding: 0.12em 0.4em; border-radius: 5px; overflow-wrap: anywhere; }
.prose .anchor { position: absolute; left: -1.25em; top: 0; width: 1.25em; font: 600 0.8em var(--ui); color: var(--muted); opacity: 0; text-decoration: none; transition: opacity 0.15s; }
.prose h2:hover .anchor, .prose h3:hover .anchor, .anchor:focus-visible { opacity: 1; }
@media (max-width: 900px) { .prose .anchor { display: none; } }
.prose img { height: auto; border-radius: var(--radius-s); }
.prose figure.diagram { margin: 2em 0; padding: 1.25rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); }
.prose figure.diagram svg { display: block; width: 100%; height: auto; color: var(--ink); }
.prose figure.diagram figcaption { margin-top: 0.75rem; font: 400 0.88rem/1.4 var(--ui); color: var(--muted); }
.prose figure.diagram text { font-family: var(--ui); fill: currentColor; }

.callout { margin: 1.6em 0; padding: 1rem 1.25rem; background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--cobalt); border-radius: var(--radius-s); font: 400 1.05rem/1.6 var(--serif); }
.callout p { margin: 0 0 0.6em; }
.callout p:last-child { margin-bottom: 0; }
.callout-title { font: 700 0.95rem var(--ui); color: var(--cobalt); margin-bottom: 0.3em !important; }
.callout-tip { border-left-color: var(--good); } .callout-tip .callout-title { color: var(--good); }
.callout-warning { border-left-color: var(--warn); } .callout-warning .callout-title { color: var(--warn); }
.callout-important { border-left-color: var(--bad); } .callout-important .callout-title { color: var(--bad); }

figure.code { margin: 1.7em 0 !important; background: var(--code-bg); color: var(--code-fg); border-radius: var(--radius-m); overflow: hidden; font-family: var(--ui); }
figure.code figcaption { display: flex; justify-content: space-between; align-items: center; padding: 0.45rem 0.6rem 0.45rem 1rem; background: var(--code-bar); font: 600 0.8rem var(--ui); color: #AEB9DD; }
figure.code .copy { font: 600 0.78rem var(--ui); color: #E3E9FB; background: transparent; border: 1px solid #3A4B87; border-radius: 6px; padding: 0.25rem 0.65rem; cursor: pointer; }
figure.code .copy:hover { background: #2540FF; border-color: #2540FF; }
figure.code pre { margin: 0; padding: 1rem 1.1rem; overflow-x: auto; font: 400 0.86rem/1.65 var(--mono); tab-size: 4; }
figure.code code { font: inherit; background: none; padding: 0; color: inherit; }
.t-c { color: #8A98C4; font-style: italic; }
.t-s { color: #FFC47D; }
.t-k { color: #9DADFF; }
.t-b { color: #F3A6E3; }
.t-n { color: #FF9F85; }
.t-f { color: #7FE3FF; }
.t-d { color: #7FE3FF; }
.t-p { color: #7FE3FF; }
.t-add { color: #7CE8B0; background: rgb(124 232 176 / 0.12); }
.t-del { color: #FF9AAA; background: rgb(255 154 170 / 0.12); }

.share { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.25rem; margin: 2.5rem 0 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line); font-size: 0.95rem; }
.share-label { font-weight: 700; }
.share a, .share .linklike { color: var(--ink); font-weight: 600; }
.share a:hover, .share .linklike:hover { color: var(--cobalt); }

.post-cta { margin: 2rem 0; padding: clamp(1.25rem, 3vw, 2rem); background: var(--surface); border: 2px solid var(--ink); border-radius: var(--radius-m); }
.post-cta h2 { font-size: 1.6rem; margin-bottom: 0.4rem; }
.post-cta p { margin-bottom: 0; color: var(--muted); }
.post-cta .subscribe { margin-top: 1rem; }

.author { display: flex; gap: 1rem; margin-top: 2.5rem; padding-top: 1.75rem; border-top: 1px solid var(--line); font-size: 0.97rem; }
.author p { margin: 0 0 0.4em; }
.avatar { flex: none; display: grid; place-items: center; width: 3.25rem; height: 3.25rem; border-radius: 50%; background: var(--ink); color: var(--paper); font: 800 1.35rem var(--display); }
.author-name { font: 700 1.1rem var(--display); letter-spacing: -0.02em; }
.author-name a { color: var(--ink); text-decoration: none; }
.author-role { color: var(--muted); }
.author-links { display: flex; gap: 1rem; font-weight: 600; }

.sidebar { position: relative; }
.toc, .side-box { position: relative; }
.toc { position: sticky; top: calc(var(--header-h) + 1.5rem); max-height: calc(100vh - var(--header-h) - 3rem); overflow: auto; padding-bottom: 1.5rem; font-size: 0.92rem; }
.toc-title, .side-title { font: 700 1rem var(--display); letter-spacing: -0.01em; margin: 0 0 0.6rem; }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc ul ul { padding-left: 0.9rem; margin-top: 0.15rem; }
.toc li { margin: 0; }
.toc a { display: block; padding: 0.3rem 0 0.3rem 0.75rem; border-left: 2px solid var(--line); color: var(--muted); text-decoration: none; line-height: 1.3; }
.toc a:hover { color: var(--ink); }
.toc a[aria-current="true"] { color: var(--ink); border-left-color: var(--cobalt); font-weight: 600; }
.side-box { margin-top: 1.5rem; padding: 1.1rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-m); font-size: 0.93rem; }
.side-box p { color: var(--muted); }
.side-box .subscribe { margin-top: 0.75rem; }
.side-box .subscribe-row { flex-direction: column; }
.side-box .subscribe-row input[type="email"] { flex: none; width: 100%; }
.toc-mobile { display: none; margin-bottom: 1.5rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-s); padding: 0.75rem 1rem; }
.toc-mobile summary { font-weight: 700; cursor: pointer; }
.toc-mobile ul { margin: 0.5rem 0 0; padding-left: 1rem; font-size: 0.95rem; }
@media (max-width: 1060px) {
  .post-wrap { grid-template-columns: minmax(0, 44rem); }
  .sidebar { display: none; }
  .toc-mobile { display: block; }
}

/* ---------- Ads (hidden until consent + configured) ---------- */
.ad { display: none; }
.consent-granted .ad { display: block; margin: 2.25rem 0; min-height: 250px; text-align: center; }
.ad-label { display: block; font: 400 0.7rem var(--ui); color: var(--muted); margin-bottom: 0.25rem; }

/* ---------- Footer ---------- */
.site-footer { margin-top: 2rem; border-top: 2px solid var(--ink); font-size: 0.95rem; }
.foot-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 2rem; padding-block: 2.75rem 2rem; }
.foot-brand p { color: var(--muted); max-width: 26rem; margin: 0.9rem 0 0; font-size: 0.93rem; }
.foot-h { font: 700 1rem var(--display); letter-spacing: -0.01em; margin: 0 0 0.75rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer li a, .site-footer .linklike { color: var(--muted); text-decoration: none; }
.site-footer li a:hover, .site-footer .linklike:hover { color: var(--cobalt); text-decoration: underline; }
.foot-base { padding-block: 1.25rem 2.25rem; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; }
.foot-base p { margin: 0; max-width: 60rem; }
@media (max-width: 800px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }

/* ---------- Consent ---------- */
.consent:not([hidden]) { position: fixed; z-index: 60; left: 1rem; bottom: 1rem; width: min(24rem, calc(100vw - 2rem)); padding: 1.1rem; background: var(--surface); color: var(--ink); border: 2px solid var(--ink); border-radius: var(--radius-m); box-shadow: 0 12px 40px rgb(13 26 63 / 0.25); font-size: 0.93rem; }
.consent p { margin: 0 0 0.75rem; }
.consent-title { font: 700 1.05rem var(--display); margin-bottom: 0.3rem !important; }
.consent-actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.consent-actions a { margin-left: auto; font-size: 0.88rem; }

@media print {
  .site-header, .site-footer, .sidebar, .share, .post-cta, .consent, .ad, .toc-mobile { display: none !important; }
  body { background: #fff; color: #000; }
  .prose { font-size: 11pt; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}