/* ==========================================================================
   Lab page — grid-paper notebook
   Ink navy on cool paper; one seal red, reserved for marks of state.
   Tokens first; everything below composes them.
   ========================================================================== */

:root {
  --paper:      #f6f7f4;
  --paper-2:    #eceee8;
  --ink:        #1b2a3a;
  --ink-2:      #56656f;
  --rule:       #d3dad6;
  --rule-soft:  #e3e7e1;
  --seal:       #a8322a;
  --seal-soft:  rgba(168, 50, 42, .09);

  --grid:       24px;
  --gutter:     clamp(20px, 5vw, 60px);
  --rail-w:     232px;
  --measure:    66ch;

  --sans: "IBM Plex Sans", "Noto Sans TC", ui-sans-serif, system-ui, "Segoe UI", sans-serif;
  --serif: "Newsreader", "Noto Serif TC", Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;

  --step--2: .74rem;
  --step--1: clamp(.79rem, .77rem + .1vw, .85rem);
  --step-0:  clamp(.95rem, .92rem + .16vw, 1.05rem);
  --step-1:  clamp(1.12rem, 1.05rem + .34vw, 1.32rem);
  --step-2:  clamp(1.4rem, 1.24rem + .7vw, 1.9rem);
  --step-3:  clamp(1.8rem, 1.48rem + 1.5vw, 2.9rem);
  --step-4:  clamp(2.3rem, 1.55rem + 3.4vw, 4.5rem);
}

:root:not([data-theme="light"]) { color-scheme: light dark; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:     #131e28;
    --paper-2:   #1a2631;
    --ink:       #e8ece9;
    --ink-2:     #9aa9b1;
    --rule:      #2d3c47;
    --rule-soft: #24313b;
    --seal:      #e57a68;
    --seal-soft: rgba(229, 122, 104, .13);
  }
}

:root[data-theme="dark"] {
  --paper:     #131e28;
  --paper-2:   #1a2631;
  --ink:       #e8ece9;
  --ink-2:     #9aa9b1;
  --rule:      #2d3c47;
  --rule-soft: #24313b;
  --seal:      #e57a68;
  --seal-soft: rgba(229, 122, 104, .13);
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
}

/* The ruled sheet. Only across the top of the document, fading out, so it reads
   as the paper the lab writes on rather than as wallpaper. */
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: 82vh;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, var(--rule-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule-soft) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent);
}

img { max-width: 100%; display: block; }
a { color: inherit; }

:where(a, button, [tabindex], summary):focus-visible {
  outline: 2px solid var(--seal);
  outline-offset: 3px;
  border-radius: 1px;
}

::selection { background: var(--seal); color: #fff; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 40;
  background: var(--seal);
  color: #fff;
  padding: .6rem 1rem;
  text-decoration: none;
}
.skip:focus { left: 0; }

/* --------------------------------------------------------------- shell --- */

.shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  max-width: 1440px;
  margin: 0 auto;
}

/* main takes focus when a note opens, so screen readers land in the article.
   That move should not paint a box around the whole page. */
main { outline: none; min-width: 0; }
main:focus, main:focus-visible { outline: none; }

/* ---------------------------------------------------------------- rail --- */

.rail {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .7rem var(--gutter);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.mark {
  display: flex;
  align-items: center;
  gap: .65rem;
  text-decoration: none;
  margin-right: auto;
  min-width: 0;
}

.mark__glyph {
  width: 26px;
  height: 26px;
  flex: none;
  border: 1.5px solid var(--ink);
  background-image:
    linear-gradient(to right, var(--ink) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ink) 1px, transparent 1px);
  background-size: 8px 8px;
  background-position: 1px 1px;
  position: relative;
}
.mark__glyph::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--seal);
}

.mark__text { display: flex; align-items: baseline; gap: .55rem; min-width: 0; }
.mark__text strong { font-weight: 600; letter-spacing: .04em; }
.mark__text span {
  color: var(--ink-2);
  font-size: var(--step--1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rail__toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font: inherit;
  font-size: var(--step--1);
  color: var(--ink);
  background: none;
  border: 1px solid var(--rule);
  padding: .35rem .7rem;
  cursor: pointer;
}
.rail__toggle-bars { display: grid; gap: 3px; }
.rail__toggle-bars i { display: block; width: 14px; height: 1.5px; background: currentColor; }

.rail__nav ol { list-style: none; margin: 0; padding: 0; }

.rail__nav a {
  display: block;
  text-decoration: none;
  color: var(--ink-2);
  padding: .3rem 0;
  font-size: var(--step--1);
  border-left: 2px solid transparent;
  transition: color .12s linear;
}
.rail__nav a:hover { color: var(--ink); }
.rail__nav a[aria-current="true"] { color: var(--ink); font-weight: 500; }

.rail__nav em {
  font-style: normal;
  color: var(--ink-2);
  font-size: var(--step--2);
  font-variant-numeric: tabular-nums;
  margin-left: .4rem;
}

.rail__foot { display: flex; align-items: center; gap: .75rem; }

.lang {
  font: inherit;
  font-size: var(--step--1);
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: .35rem .7rem;
  cursor: pointer;
  white-space: nowrap;
}
.lang:hover { border-color: var(--ink-2); }

.rail__src { margin: 0; font-size: var(--step--2); color: var(--ink-2); line-height: 1.45; }
.rail__src b { font-weight: 500; color: var(--ink); }
.rail__src code { font-family: var(--mono); font-size: .95em; }

@media (max-width: 899px) {
  .rail__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: .25rem var(--gutter) 1rem;
    display: none;
  }
  .rail__nav[data-open="true"] { display: block; }
  .rail__nav a { padding: .6rem 0; border-bottom: 1px solid var(--rule-soft); }
  .rail__src { display: none; }
}

@media (min-width: 900px) {
  .shell { grid-template-columns: var(--rail-w) minmax(0, 1fr); }
  .rail {
    position: sticky;
    top: 0;
    align-self: start;
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    gap: 2rem;
    padding: 2.4rem 1.4rem 2rem var(--gutter);
    border-bottom: 0;
    border-right: 1px solid var(--rule);
    backdrop-filter: none;
    background: none;
  }
  .mark { margin-right: 0; flex-direction: column; align-items: flex-start; gap: .8rem; }
  .mark__text { flex-direction: column; gap: .2rem; align-items: flex-start; }
  .mark__text span { white-space: normal; font-size: var(--step--2); line-height: 1.4; }
  .rail__toggle { display: none; }
  .rail__nav { display: block; margin-bottom: auto; }
  .rail__nav a { padding: .38rem 0 .38rem .9rem; }
  .rail__nav a[aria-current="true"] { border-left-color: var(--seal); }
  .rail__foot { flex-direction: column; align-items: flex-start; gap: .7rem; }
}

/* -------------------------------------------------------------- panels --- */

.panel {
  padding: clamp(2.6rem, 6vw, 4.8rem) var(--gutter);
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: 4.5rem;
}
.panel:last-of-type { border-bottom: 0; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: .6rem 1.5rem;
  padding-bottom: .85rem;
  border-bottom: 1.5px solid var(--ink);
  margin-bottom: 1.9rem;
}

.h-section {
  font-size: var(--step-2);
  font-weight: 500;
  letter-spacing: -.015em;
  margin: 0;
  line-height: 1.15;
}
.h-section span {
  display: block;
  font-size: var(--step--1);
  font-weight: 400;
  color: var(--ink-2);
  letter-spacing: .01em;
  margin-top: .25rem;
}

.section-head > p { margin: 0 0 .2rem; color: var(--ink-2); font-size: var(--step--1); max-width: min(40ch, 100%); }

.lede {
  font-family: var(--serif);
  font-size: var(--step-1);
  line-height: 1.66;
  max-width: min(var(--measure), 100%);
}

.note { color: var(--ink-2); font-size: var(--step--1); max-width: min(var(--measure), 100%); }
.note--table { margin: 0 0 1rem; }
.note code { font-family: var(--mono); font-size: .95em; }

/* ---------------------------------------------------------------- hero --- */

.hero { padding-top: clamp(2.4rem, 7vw, 5.2rem); }

.hero__inst { margin: 0 0 1.2rem; font-size: var(--step--1); color: var(--ink-2); }

.hero__name {
  margin: 0;
  font-size: var(--step-4);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -.035em;
  max-width: min(16ch, 100%);
  text-wrap: balance;
}

.hero__name span {
  display: block;
  margin-top: .55rem;
  font-size: var(--step-1);
  font-weight: 400;
  letter-spacing: -.005em;
  color: var(--ink-2);
}

.hero__statement {
  font-family: var(--serif);
  font-size: var(--step-1);
  line-height: 1.7;
  max-width: min(56ch, 100%);
  margin: 1.9rem 0 0;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2rem; }

.btn {
  display: inline-block;
  font: inherit;
  font-size: var(--step--1);
  text-decoration: none;
  padding: .55rem 1.15rem;
  border: 1px solid var(--ink);
  background: none;
  color: var(--ink);
  cursor: pointer;
  transition: background-color .12s linear, color .12s linear;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn--seal { border-color: var(--seal); color: var(--seal); }
.btn--seal:hover { background: var(--seal); color: #fff; }

/* -------------------------------------------------------- cohort strip --- */

.cohort {
  margin-top: clamp(2.6rem, 6vw, 4.2rem);
  border-top: 1.5px solid var(--ink);
  padding-top: 1.1rem;
  max-width: 340px;
}

.cohort__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .45rem 0;
  border-bottom: 1px solid var(--rule-soft);
}

.cohort__label { font-size: var(--step--1); color: var(--ink-2); }
.cohort__count { font-size: var(--step--1); color: var(--ink-2); font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------------ PI --- */

.pi { display: grid; gap: clamp(1.6rem, 4vw, 3.2rem); grid-template-columns: 1fr; align-items: start; }

@media (min-width: 760px) {
  .pi { grid-template-columns: minmax(210px, 300px) minmax(0, 1fr); }
  .pi__portrait { max-width: none; }
}

.pi__portrait {
  max-width: 260px;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  width: 100%;
}

.pi__portrait--empty {
  display: grid;
  place-items: center;
  background-image:
    linear-gradient(to right, var(--rule-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule-soft) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
}
.pi__portrait--empty span { font-size: var(--step-3); font-weight: 500; color: var(--ink-2); letter-spacing: .05em; }

.pi__meta { margin: 1.1rem 0 0; display: grid; gap: .5rem; font-size: var(--step--1); }
.pi__meta > div { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: .7rem; }
.pi__meta dt { color: var(--ink-2); }
.pi__meta dd { margin: 0; overflow-wrap: anywhere; }
.pi__meta a { text-decoration-color: var(--rule); text-underline-offset: 3px; }
.pi__meta a:hover { text-decoration-color: var(--seal); }

.pi__name { margin: 0; font-size: var(--step-3); font-weight: 600; letter-spacing: -.025em; line-height: 1.08; }
.pi__name span { display: block; font-size: var(--step-1); font-weight: 400; color: var(--ink-2); margin-top: .4rem; letter-spacing: 0; }
.pi__title { margin: .85rem 0 0; color: var(--ink-2); font-size: var(--step--1); }

.prose { font-family: var(--serif); font-size: var(--step-1); line-height: 1.72; max-width: min(var(--measure), 100%); }
.prose > p { margin: 1.05em 0; }
.prose > p:first-child { margin-top: 1.35rem; }
.prose a { text-decoration-color: var(--seal); text-underline-offset: 3px; }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 0; list-style: none; }
.tags li {
  font-size: var(--step--2);
  color: var(--ink-2);
  border: 1px solid var(--rule);
  padding: .16rem .55rem;
  line-height: 1.5;
}

.subhead {
  margin: 2.3rem 0 .85rem;
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--ink-2);
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--rule);
}

.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; font-size: var(--step--1); }
.timeline li { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: .8rem; }
.timeline li.timeline__row--nodate { grid-template-columns: minmax(0, 1fr); }
.timeline b { font-weight: 500; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.timeline span { color: var(--ink-2); }

/* -------------------------------------------------------------- themes --- */

.theme {
  display: grid;
  grid-template-columns: 1fr;
  gap: .35rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--rule-soft);
}
.theme:last-child { border-bottom: 0; }

@media (min-width: 760px) {
  .theme { grid-template-columns: minmax(0, 19rem) minmax(0, 1fr) auto; gap: 1.8rem; align-items: baseline; }
}

.theme__name { margin: 0; font-size: var(--step-1); font-weight: 500; line-height: 1.3; }
.theme__name span { display: block; font-size: var(--step--1); color: var(--ink-2); font-weight: 400; margin-top: .15rem; }
.theme__body { margin: 0; color: var(--ink-2); max-width: min(var(--measure), 100%); font-size: var(--step--1); line-height: 1.65; }

.theme__count {
  font-size: var(--step--2);
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  border: 1px solid var(--rule);
  padding: .1rem .5rem;
  justify-self: start;
}

/* -------------------------------------------------------- publications --- */

.filters { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.8rem; }

.filter {
  font: inherit;
  font-size: var(--step--1);
  background: none;
  border: 1px solid var(--rule);
  color: var(--ink-2);
  padding: .3rem .8rem;
  cursor: pointer;
  transition: color .12s linear, border-color .12s linear;
}
.filter:hover { color: var(--ink); border-color: var(--ink-2); }
.filter[aria-pressed="true"] { color: var(--seal); border-color: var(--seal); background: var(--seal-soft); }

.year-block { display: grid; grid-template-columns: 1fr; gap: .5rem; margin-bottom: 2.4rem; }
.year-block:last-child { margin-bottom: 0; }

@media (min-width: 760px) {
  .year-block { grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1.6rem; }
}

.year-block__year--status {
  font-size: var(--step--1);
  white-space: nowrap;
  color: var(--seal);
  border-left: 2px solid var(--seal);
  padding-left: .5rem;
}

.year-block__year {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 500;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  position: sticky;
  top: 4.8rem;
  align-self: start;
}

.pubs { list-style: none; margin: 0; padding: 0; }

.pub { padding: 1.15rem 0; border-bottom: 1px solid var(--rule-soft); }
.pub:first-child { padding-top: 0; }
.pub:last-child { border-bottom: 0; }

.pub__title { margin: 0 0 .35rem; font-size: var(--step-1); font-weight: 500; line-height: 1.38; max-width: min(60ch, 100%); }
.pub__authors { margin: 0 0 .3rem; font-size: var(--step--1); color: var(--ink-2); max-width: min(var(--measure), 100%); }
.pub__authors b { font-weight: 500; color: var(--ink); }
.pub__venue { margin: 0; font-family: var(--serif); font-style: italic; font-size: var(--step-0); color: var(--ink-2); }
.pub__links { display: flex; flex-wrap: wrap; gap: .3rem .9rem; margin-top: .55rem; font-size: var(--step--1); }
.pub__links a { text-decoration-color: var(--rule); text-underline-offset: 3px; }
.pub__links a:hover { text-decoration-color: var(--seal); }

.seal-mark {
  display: inline-block;
  font-size: var(--step--2);
  color: var(--seal);
  border: 1px solid var(--seal);
  padding: .08rem .45rem;
  margin-left: .45rem;
  vertical-align: 2px;
  white-space: nowrap;
  font-weight: 400;
}

.empty { padding: 2rem 0; color: var(--ink-2); font-family: var(--serif); font-size: var(--step-1); }

/* -------------------------------------------------------------- people --- */

.group { margin-bottom: 2.9rem; }
.group:last-child { margin-bottom: 0; }

.group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--ink);
  padding-bottom: .5rem;
  margin-bottom: 1.1rem;
}
.group__head h3 { margin: 0; font-size: var(--step-1); font-weight: 500; }
.group__head h3 span { color: var(--ink-2); font-weight: 400; font-size: var(--step--1); margin-left: .6rem; }
.group__head b { font-weight: 400; color: var(--ink-2); font-size: var(--step--1); font-variant-numeric: tabular-nums; white-space: nowrap; }

.roster { list-style: none; margin: 0; padding: 0; }

.person {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: start;
}
.person:last-child { border-bottom: 0; }

@media (min-width: 880px) {
  .person { grid-template-columns: 52px minmax(0, 14rem) minmax(0, 1fr); gap: 1.5rem; }
}

.person__photo { width: 52px; height: 52px; border: 1px solid var(--rule); background: var(--paper-2); object-fit: cover; }
.person__photo--empty {
  display: grid;
  place-items: center;
  font-size: var(--step--1);
  color: var(--ink-2);
  background-image:
    linear-gradient(to right, var(--rule-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rule-soft) 1px, transparent 1px);
  background-size: 13px 13px;
}

.person__id { min-width: 0; }
.person__name { margin: 0; font-size: var(--step-0); font-weight: 500; line-height: 1.35; }
.person__name span { display: block; font-weight: 400; color: var(--ink-2); font-size: var(--step--1); margin-top: .1rem; }
.person__role { margin: .35rem 0 0; font-size: var(--step--2); color: var(--ink-2); }

.person__detail { min-width: 0; }
.person__work { margin: .55rem 0 0; color: var(--ink-2); font-size: var(--step--1); max-width: min(var(--measure), 100%); line-height: 1.6; }
.person__links { display: flex; flex-wrap: wrap; gap: .3rem .85rem; margin-top: .5rem; font-size: var(--step--2); }
.person__links a { text-decoration-color: var(--rule); text-underline-offset: 3px; }
.person__links a:hover { text-decoration-color: var(--seal); }

@media (min-width: 880px) {
  .person__detail > .tags { margin-top: .15rem; }
  .person__work { margin-top: .5rem; }
}

/* alumni table */
.alumni { width: 100%; border-collapse: collapse; font-size: var(--step--1); }
.alumni th {
  text-align: left;
  font-weight: 500;
  color: var(--ink-2);
  border-bottom: 1px solid var(--ink);
  padding: .4rem .9rem .45rem 0;
  font-size: var(--step--2);
}
.alumni td { padding: .75rem .9rem .75rem 0; border-bottom: 1px solid var(--rule-soft); vertical-align: top; }
.alumni tbody tr:last-child td { border-bottom: 0; }
.alumni .col-name { font-weight: 500; }
.alumni .col-name span { display: block; font-weight: 400; color: var(--ink-2); font-size: var(--step--2); }
.alumni .col-year, .alumni .col-degree { font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--ink-2); }
.alumni .col-now b { font-weight: 500; }
.alumni .col-now span { display: block; color: var(--ink-2); font-size: var(--step--2); }
.alumni .col-research { color: var(--ink); max-width: min(38ch, 100%); }
.alumni .col-research span {
  display: block;
  margin-top: .2rem;
  color: var(--ink-2);
  font-size: var(--step--2);
  line-height: 1.5;
}

@media (max-width: 719px) {
  .alumni, .alumni tbody, .alumni tr, .alumni td { display: block; width: 100%; }
  .alumni thead { display: none; }
  .alumni tr { border-bottom: 1px solid var(--rule); padding: .95rem 0; }
  .alumni tbody tr:last-child { border-bottom: 0; }
  .alumni td { border: 0; padding: .12rem 0; }
  .alumni td::before { content: attr(data-label) " "; color: var(--ink-2); font-size: var(--step--2); }
  .alumni .col-name::before { content: ""; }
}

/* ---------------------------------------------------------------- blog --- */

.posts { list-style: none; margin: 0; padding: 0; }

.post-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule-soft);
}
.post-row:first-child { padding-top: 0; }
.post-row:last-child { border-bottom: 0; }

@media (min-width: 760px) {
  .post-row { grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1.8rem; }
}

.post-row__date { color: var(--ink-2); font-size: var(--step--1); font-variant-numeric: tabular-nums; padding-top: .18rem; }
.post-row__title { margin: 0; font-size: var(--step-1); font-weight: 500; line-height: 1.35; max-width: min(52ch, 100%); }
.post-row__title a { text-decoration: none; }
.post-row__title a:hover { text-decoration: underline; text-decoration-color: var(--seal); text-underline-offset: 4px; }
.post-row__summary { margin: .4rem 0 0; color: var(--ink-2); max-width: min(var(--measure), 100%); font-size: var(--step--1); line-height: 1.65; }
.post-row__by { margin: .5rem 0 0; font-size: var(--step--2); color: var(--ink-2); }

.post { max-width: min(70ch, 100%); }
.post__back { display: inline-block; margin-bottom: 1.8rem; font-size: var(--step--1); color: var(--ink-2); text-decoration-color: var(--rule); text-underline-offset: 3px; }
.post__back:hover { color: var(--ink); }
.post__head { border-bottom: 1.5px solid var(--ink); padding-bottom: 1.2rem; margin-bottom: 1rem; }
.post__title { margin: .45rem 0 .65rem; font-size: var(--step-3); font-weight: 600; letter-spacing: -.025em; line-height: 1.1; text-wrap: balance; }
.post__meta { margin: 0; color: var(--ink-2); font-size: var(--step--1); }
.post__date { color: var(--ink-2); font-size: var(--step--1); font-variant-numeric: tabular-nums; }

.post .prose h2 { font-family: var(--sans); font-size: var(--step-2); font-weight: 500; margin: 2.3rem 0 .6rem; letter-spacing: -.015em; line-height: 1.25; }
.post .prose h3 { font-family: var(--sans); font-size: var(--step-1); font-weight: 500; margin: 1.9rem 0 .5rem; }
.post .prose ul, .post .prose ol { padding-left: 1.3rem; margin: 1.05em 0; }
.post .prose li { margin: .4em 0; }
.post .prose blockquote {
  margin: 1.5rem 0;
  padding: .1rem 0 .1rem 1.2rem;
  border-left: 2px solid var(--seal);
  color: var(--ink-2);
}
.post .prose blockquote p { margin: .5em 0; }
.post .prose code {
  font-family: var(--mono);
  font-size: .86em;
  background: var(--paper-2);
  padding: .1em .35em;
  border: 1px solid var(--rule-soft);
}
.post .prose pre {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-size: .85rem;
  line-height: 1.6;
  font-family: var(--mono);
}
.post .prose pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.post .prose img { border: 1px solid var(--rule); margin: 1.6rem 0; }
.post .prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2.2rem 0; }
.post .prose table { width: 100%; border-collapse: collapse; font-family: var(--sans); font-size: var(--step--1); margin: 1.4rem 0; }
.post .prose th { text-align: left; border-bottom: 1px solid var(--ink); padding: .45rem .7rem .45rem 0; font-weight: 500; }
.post .prose td { border-bottom: 1px solid var(--rule-soft); padding: .55rem .7rem .55rem 0; }

/* ------------------------------------------------------------- contact --- */

.contact { display: grid; gap: 2.2rem; }
@media (min-width: 760px) { .contact { grid-template-columns: minmax(0, 1fr) minmax(0, 21rem); gap: 3.2rem; } }

.contact dl { margin: 0; display: grid; gap: .65rem; font-size: var(--step--1); }
.contact dl > div { display: grid; grid-template-columns: 4.4rem minmax(0, 1fr); gap: .8rem; }
.contact dt { color: var(--ink-2); }
.contact dd { margin: 0; overflow-wrap: anywhere; }
.contact dd a { text-decoration-color: var(--rule); text-underline-offset: 3px; }
.contact dd a:hover { text-decoration-color: var(--seal); }

.colophon {
  padding: 1.7rem var(--gutter) 3.2rem;
  color: var(--ink-2);
  font-size: var(--step--2);
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.3rem;
  align-items: center;
  border-top: 1px solid var(--rule);
}
.colophon a { text-decoration-color: var(--rule); text-underline-offset: 3px; }
.colophon a:hover { color: var(--ink); }
.colophon code { font-family: var(--mono); }

/* --------------------------------------------------------------- boot ---- */

.boot {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--paper);
  z-index: 50;
  color: var(--ink-2);
  font-size: var(--step--1);
}
.boot[hidden] { display: none; }

.panel--error .err {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--seal);
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: .82rem;
  white-space: pre-wrap;
  max-width: min(var(--measure), 100%);
}