/* LIterature For Today (LiFT) — newspaper stylesheet */

:root {
  --paper: #ffffff;
  --paper-2: #f2f5f5;
  --ink: #152026;
  --ink-2: #44525a;
  --ink-3: #74828a;
  --rule: #152026;
  --rule-soft: #d8e0e2;
  --accent: #0b6870;
  --accent-soft: #dcefef;
  --preprint: #8a5a00;
  --preprint-soft: #f6ead0;
  --reviewed: #3d4f8a;
  --reviewed-soft: #e3e7f5;
  --card: #f9fbfb;

  --serif-display: "Fraunces", Georgia, "Times New Roman", serif;
  --serif-text: "Literata", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --max: 1180px;
  --gutter: 16px;
}

:root[data-theme="dark"] {
  --paper: #0f1719;
  --paper-2: #172124;
  --ink: #e4ecee;
  --ink-2: #b5c3c7;
  --ink-3: #82939a;
  --rule: #e4ecee;
  --rule-soft: #2c3a3e;
  --accent: #5cc4c9;
  --accent-soft: #163537;
  --preprint: #e6b24f;
  --preprint-soft: #3a2e14;
  --reviewed: #9fb0f0;
  --reviewed-soft: #1e2440;
  --card: #141e21;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-text);
  font-size: 17px;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

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

/* ---------- Masthead ---------- */
.topbar {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink-2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0 8px;
  border-bottom: 1px solid var(--rule-soft);
}
.topbar button {
  font: inherit;
  color: inherit;
  background: none;
  border: 1px solid var(--rule-soft);
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
}
.masthead { text-align: center; padding: 18px 0 10px; }
.masthead .name {
  font-family: var(--serif-display);
  font-weight: 900;
  font-size: clamp(40px, 8vw, 86px);
  line-height: 1;
  letter-spacing: -.01em;
  margin: 0;
}
.masthead .motto {
  font-family: var(--serif-text);
  font-style: italic;
  color: var(--ink-2);
  margin-top: 6px;
  font-size: 15px;
}
.dateline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--sans);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid var(--rule-soft);
  padding: 7px 0;
  margin-top: 14px;
}
nav.desks {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 22px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}
nav.desks a { padding: 2px 0; border-bottom: 2px solid transparent; }
nav.desks a:hover { text-decoration: none; border-bottom-color: var(--ink-3); }
nav.desks a.active { border-bottom-color: var(--accent); color: var(--accent); }

main { padding: 22px 0 40px; min-height: 60vh; }

/* ---------- Common type ---------- */
.kicker {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: 6px;
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.hl { font-family: var(--serif-display); font-weight: 700; line-height: 1.12; margin: 0 0 8px; letter-spacing: -.005em; }
.hl-xl { font-size: clamp(30px, 4.4vw, 50px); font-weight: 800; }
.hl-l { font-size: clamp(24px, 3vw, 32px); }
.hl-m { font-size: 22px; }
.hl-s { font-size: 18px; }
.dek { color: var(--ink-2); font-size: 18px; margin: 0 0 12px; }
.dek-s { font-size: 15.5px; }
.meta { font-family: var(--sans); font-size: 12px; color: var(--ink-3); }
.section-head {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .14em;
  border-top: 2px solid var(--rule);
  padding-top: 6px;
  margin: 28px 0 14px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.section-head a { color: var(--ink-3); font-weight: 600; letter-spacing: .06em; }

.badge {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
}
.badge.preprint { background: var(--preprint-soft); color: var(--preprint); }
.badge.reviewed { background: var(--reviewed-soft); color: var(--reviewed); }
.read-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); display: inline-block; opacity: .6; }

/* ---------- Front page ---------- */
.front-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
}
.front-grid > .lead { padding-right: 28px; border-right: 1px solid var(--rule-soft); }
.lead p.first::first-line { font-variant: small-caps; letter-spacing: .04em; font-weight: 600; }
.lead .more { font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--accent); }
.side-stack > article { padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px solid var(--rule-soft); }
.side-stack > article:last-child { border-bottom: 0; }

.editor-note {
  background: var(--paper-2);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  font-style: italic;
  color: var(--ink-2);
  margin-top: 18px;
}
.editor-note strong { font-style: normal; font-family: var(--sans); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink); display: block; margin-bottom: 4px; }

.desk-columns {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 2px solid var(--rule);
  margin-top: 30px;
}
.desk-columns > section { padding: 12px 16px 6px; border-right: 1px solid var(--rule-soft); }
.desk-columns > section:first-child { padding-left: 0; }
.desk-columns > section:last-child { border-right: 0; padding-right: 0; }
.desk-columns h3 {
  font-family: var(--sans);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .14em;
  margin: 0 0 10px;
}
.desk-columns ul { list-style: none; margin: 0; padding: 0; }
.desk-columns li { padding: 8px 0; border-bottom: 1px dotted var(--rule-soft); font-size: 15px; line-height: 1.35; }
.desk-columns li:last-child { border-bottom: 0; }
.desk-columns li .kind { font-family: var(--sans); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-3); display: block; margin-bottom: 2px; }

/* ---------- Desk page ---------- */
.desk-title { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-bottom: 1px solid var(--rule); padding-bottom: 10px; margin-bottom: 20px; }
.desk-title h2 { font-family: var(--serif-display); font-size: clamp(30px, 4vw, 44px); margin: 0; font-weight: 800; }
.desk-title p { margin: 0; color: var(--ink-2); font-style: italic; }
.desk-grid { display: grid; grid-template-columns: 2.2fr 1fr; gap: 32px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.features article { border-top: 1px solid var(--rule); padding-top: 10px; }
.briefs { list-style: none; margin: 0; padding: 0; }
.briefs li { padding: 12px 0; border-bottom: 1px solid var(--rule-soft); }
.briefs li p { margin: 4px 0 0; font-size: 15.5px; color: var(--ink-2); }
.wire { background: var(--card); border: 1px solid var(--rule-soft); padding: 14px 16px; align-self: start; position: sticky; top: 14px; }
.wire h3 { font-family: var(--sans); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 4px; }
.wire .sub { font-size: 13px; color: var(--ink-3); margin: 0 0 10px; }
.wire ol { margin: 0; padding-left: 18px; font-size: 13.5px; line-height: 1.4; }
.wire li { margin-bottom: 10px; }
.wire li .v { font-family: var(--sans); font-size: 11px; color: var(--ink-3); display: block; margin-top: 2px; }

/* ---------- Story page ---------- */
.story { max-width: 720px; margin: 0 auto; }
.story .hl-xl { font-size: clamp(30px, 5vw, 46px); }
.story .body p { margin: 0 0 16px; font-size: 18.5px; line-height: 1.65; }
.story .body p:first-child::first-line { font-variant: small-caps; letter-spacing: .04em; font-weight: 600; }
.byline { font-family: var(--sans); font-size: 13px; color: var(--ink-3); border-top: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); padding: 8px 0; margin: 14px 0 22px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.boxes { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 26px 0; }
.box { padding: 12px 14px; border-top: 3px solid var(--ink); background: var(--card); font-size: 15.5px; }
.box.caveat { border-top-color: var(--preprint); }
.box h4 { font-family: var(--sans); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 6px; }
.box p { margin: 0; }
.citation { border: 1px solid var(--rule-soft); padding: 14px 16px; font-size: 15px; background: var(--card); }
.citation h4 { font-family: var(--sans); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 8px; color: var(--ink-3); }
.citation .t { font-weight: 600; }
.citation a.src { color: var(--accent); font-family: var(--sans); font-size: 13px; font-weight: 600; word-break: break-all; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }
.tags span { font-family: var(--sans); font-size: 11px; border: 1px solid var(--rule-soft); padding: 2px 8px; border-radius: 999px; color: var(--ink-2); }
.pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--rule); font-family: var(--sans); font-size: 13px; }
.pager a { max-width: 48%; }
.pager .lbl { display: block; color: var(--ink-3); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.pager .next { text-align: right; margin-left: auto; }

/* ---------- Archive ---------- */
.archive-list { list-style: none; padding: 0; margin: 0; max-width: 720px; }
.archive-list li { display: flex; justify-content: space-between; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--rule-soft); align-items: baseline; flex-wrap: wrap; }
.archive-list .no { font-family: var(--serif-display); font-size: 22px; font-weight: 700; }

footer { border-top: 3px double var(--rule); padding: 14px 0 30px; font-family: var(--sans); font-size: 12px; color: var(--ink-3); }
footer p { margin: 4px 0; }

.empty { text-align: center; padding: 60px 0; color: var(--ink-3); font-style: italic; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .desk-columns { grid-template-columns: 1fr 1fr; }
  .desk-columns > section { padding: 12px 12px 6px 0; border-right: 0; }
  .features { grid-template-columns: 1fr 1fr; }
  .desk-grid { grid-template-columns: 1fr; }
  .wire { position: static; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .front-grid { grid-template-columns: 1fr; }
  .front-grid > .lead { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--rule-soft); padding-bottom: 18px; }
  .desk-columns { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .boxes { grid-template-columns: 1fr; }
  .dateline { justify-content: center; text-align: center; }
  .story .body p { font-size: 17px; }
}

/* Masthead name is long; keep it on one line on desktop */
.masthead .name { font-size: clamp(64px, 12vw, 120px); font-weight: 800; letter-spacing: -.035em; line-height: .95; font-variation-settings: "opsz" 144, "SOFT" 50; }
.masthead .name .i { color: var(--accent); }
.masthead .fullname { font-family: var(--sans); font-size: 13px; letter-spacing: .2em; color: var(--ink-2); margin-top: 6px; }
.masthead .fullname b { color: var(--accent); font-weight: 700; }

/* ---------- Explainer figures ---------- */
.fig { margin: 18px 0 22px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule-soft); padding: 12px 0; }
.fig-title { font-family: var(--sans); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 8px; }
.fig-art svg { display: block; width: 100%; height: auto; }
.fig-cap { font-family: var(--sans); font-size: 13px; line-height: 1.5; color: var(--ink-2); margin-top: 8px; min-height: 2.9em; }
.fig-controls { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.fig-controls button { font-family: var(--sans); font-size: 12px; font-weight: 600; color: var(--ink); background: var(--paper); border: 1px solid var(--rule-soft); border-radius: 999px; min-width: 34px; height: 30px; padding: 0 10px; cursor: pointer; }
.fig-controls button.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.fig-controls .fig-next { margin-left: auto; border-color: var(--accent); color: var(--accent); }
.fig [data-step] { transition: opacity .25s ease; }
.fig [data-step].dim { opacity: .1; }

/* SVG vocabulary for figure authors — colours follow the theme */
.fig svg text { font-family: var(--sans); fill: var(--ink); font-size: 13px; }
.fig svg .t-b { font-weight: 700; }
.fig svg .t-s { font-size: 11.5px; fill: var(--ink-2); }
.fig svg .t-m { fill: var(--ink-3); }
.fig svg .t-a { fill: var(--accent); }
.fig svg .t-big { font-family: var(--serif-display); font-size: 26px; font-weight: 800; }
.fig svg .box { fill: var(--card); stroke: var(--ink-2); stroke-width: 1.2; }
.fig svg .box-a { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1.4; }
.fig svg .box-m { fill: var(--paper-2); stroke: var(--rule-soft); stroke-width: 1; }
.fig svg .ln { stroke: var(--ink-2); stroke-width: 1.4; fill: none; }
.fig svg .ln-a { stroke: var(--accent); stroke-width: 2; fill: none; }
.fig svg .ln-m { stroke: var(--rule-soft); stroke-width: 1; fill: none; }
.fig svg .ln-d { stroke: var(--ink-3); stroke-width: 1.2; stroke-dasharray: 4 3; fill: none; }
.fig svg .f-ink { fill: var(--ink); }
.fig svg .f-a { fill: var(--accent); }
.fig svg .f-m { fill: var(--rule-soft); }
.fig svg .f-p { fill: var(--preprint); }
.fig svg .f-r { fill: var(--reviewed); }
.fig svg .cur .box, .fig svg .cur .box-m { stroke: var(--accent); stroke-width: 2; }
@media (max-width: 720px) {
  /* keep diagram labels readable on phones: swipe sideways inside the figure */
  .fig-art { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .fig-art svg { min-width: 600px; }
  .fig-live .fig-title::after { content: " · swipe →"; font-weight: 600; color: var(--ink-3); letter-spacing: .04em; }
}

/* Journal-style figure refinements */
.fig svg .p-l { font-family: var(--sans); font-size: 13px; font-weight: 700; fill: var(--accent); }
.fig svg tspan.t-b { font-weight: 700; }
.fig svg tspan.t-a { fill: var(--accent); }
.fig svg tspan.t-m { fill: var(--ink-3); }
.fig { border-top: 3px solid var(--accent); }
.fig-title { color: var(--ink); }

/* ---------- Events ---------- */
.ev-filters { border-bottom: 1px solid var(--rule); padding-bottom: 12px; margin-bottom: 4px; }
.ev-filters input[type=search] { width: 100%; font: 15px var(--sans); color: var(--ink); background: var(--paper); border: 1px solid var(--rule-soft); border-radius: 6px; padding: 9px 12px; margin-bottom: 10px; }
.ev-filters .fl { display: flex; gap: 10px; align-items: baseline; margin: 6px 0; }
.ev-filters .lbl { font-family: var(--sans); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); min-width: 54px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font: 600 12px var(--sans); color: var(--ink-2); background: var(--paper); border: 1px solid var(--rule-soft); border-radius: 999px; padding: 4px 10px; cursor: pointer; }
.chip.on { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.ev-list { list-style: none; margin: 0; padding: 0; }
.ev { display: grid; grid-template-columns: 58px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--rule-soft); }
.ev-date { text-align: center; border-top: 3px solid var(--accent); padding-top: 4px; font-family: var(--sans); }
.ev-date .m { display: block; font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--accent); }
.ev-date .d { display: block; font-family: var(--serif-display); font-size: 28px; font-weight: 800; line-height: 1.1; }
.ev-why { margin: 6px 0 0; font-size: 15px; color: var(--ink-2); }
.badge.fmt { background: var(--paper-2); color: var(--ink-2); }
.dls { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.dl { font: 600 11.5px var(--sans); padding: 2px 8px; border-radius: 3px; background: var(--paper-2); color: var(--ink-2); }
.dl.soon { background: var(--accent-soft); color: var(--accent); }
.dl.closed { text-decoration: line-through; color: var(--ink-3); }
.ev-actions { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; margin-top: 10px; font-family: var(--sans); font-size: 13px; }
.ev-actions .ics { font: 600 12px var(--sans); color: var(--ink); background: var(--paper); border: 1px solid var(--ink); border-radius: 999px; padding: 4px 12px; cursor: pointer; }
.ev-actions .src { color: var(--accent); font-weight: 600; }
.ev-actions .tag { font-size: 11px; border: 1px solid var(--rule-soft); padding: 1px 8px; border-radius: 999px; color: var(--ink-2); }
.coming-up ul { list-style: none; margin: 0; padding: 0; }
.coming-up li { padding: 7px 0; border-bottom: 1px dotted var(--rule-soft); font-size: 15px; line-height: 1.35; }
.coming-up li .meta { display: block; margin-bottom: 2px; }
.coming-up .more { display: inline-block; margin-top: 8px; font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--accent); }
@media (max-width: 720px) { .ev-filters .fl { flex-direction: column; gap: 4px; } }

/* LiFT identity: headline weight + soft optical sizing */
.hl, .desk-title h2, .story .hl-xl { font-variation-settings: "opsz" 72, "SOFT" 30; letter-spacing: -.01em; }
footer { border-top: 3px solid var(--accent); }