/* Abeliuk Institute — plate stylesheet. See docs/art-direction.md. */

:root {
  --paper: #f6f6f4;
  --paper-sunk: #eeeeea;
  --ink: #15171b;
  --ink-soft: #55595f;
  --ink-faint: #8d9298;
  --plate: #14395e;
  --plate-soft: #6f93b4;
  --annot: #a8362a;
  --rule: #c9c9c2;
  --rule-hair: #dededa;

  --measure: 82ch;
  --plate-max: 1480px;
  --figure-max: 980px; /* the plate frame, narrower than the sheet it sits on */
  --gutter: clamp(20px, 5vw, 76px);

  --serif: "EB Garamond", "Hoefler Text", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #101318;
    --paper-sunk: #161a20;
    --ink: #e7e8e6;
    --ink-soft: #a2a7ad;
    --ink-faint: #6f757c;
    --plate: #8fb6de;
    --plate-soft: #4f7ca6;
    --annot: #d8776a;
    --rule: #2c323a;
    --rule-hair: #21262d;
  }
}

:root[data-theme="dark"] {
  --paper: #101318;
  --paper-sunk: #161a20;
  --ink: #e7e8e6;
  --ink-soft: #a2a7ad;
  --ink-faint: #6f757c;
  --plate: #8fb6de;
  --plate-soft: #4f7ca6;
  --annot: #d8776a;
  --rule: #2c323a;
  --rule-hair: #21262d;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(18px, 1.05vw + 15px, 22px);
  line-height: 1.5;
  font-variant-numeric: oldstyle-num;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--plate); color: var(--paper); }

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

/* ── Title block ─────────────────────────────────────────────── */

.titleblock {
  padding-top: clamp(22px, 4vw, 40px);
  border-bottom: 3px double var(--rule);
}

.titleblock__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  padding-bottom: 7px;
}

.mark {
  margin: 0; /* it is an <h1> in the title block */
  font-family: var(--mono);
  font-size: clamp(24px, 3.4vw, 34px); /* stops growing past ~1000px: 46px was shouting on a wide display */
  letter-spacing: 0.09em; /* eased as it scales up: 0.16em only reads at caption size */
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.mark b { font-weight: 500; }

.titleblock__meta {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0;
}

/* ── Plates ──────────────────────────────────────────────────── */

.plate {
  margin: clamp(46px, 7vw, 92px) 0 0;
}

.plate--open { margin-top: clamp(64px, 11vw, 148px); }

.plate__frame {
  position: relative;
  max-width: var(--figure-max);
  border: 1px solid var(--rule-hair);
  background: var(--paper-sunk);
}

.plate__frame canvas {
  display: block;
  width: 100%;
  height: auto;
}

.plate__stamp {
  position: absolute;
  top: 9px;
  right: 11px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

figcaption {
  max-width: var(--measure);
  margin-top: 13px;
  padding-top: 11px;
  border-top: 1px solid var(--rule);
  font-size: 0.87em;
  line-height: 1.58;
  color: var(--ink-soft);
}

/* Inside an italic caption, emphasis has to flip back to roman or it has
   nothing to contrast with — the same reason a monograph sets it that way. */
figcaption { font-style: italic; }
figcaption em { font-style: normal; }

figcaption .fig {
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.76em;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}

figcaption strong { color: var(--ink); font-weight: 600; }
.prose em { font-style: italic; }

.caption--lead {
  max-width: 88ch;
  font-size: 0.95em;
  color: var(--ink);
}

/* ── Prose set as caption-width notes ────────────────────────── */

.prose {
  max-width: var(--measure);
  margin: clamp(38px, 6vw, 74px) 0 0;
}

.prose--opening { margin-top: clamp(28px, 4.5vw, 52px); }

.prose p { margin: 0 0 0.85em; }
.prose p:last-child { margin-bottom: 0; }

.label {
  font-family: var(--mono);
  font-size: 21px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--annot);
  margin: 0 0 16px;
}

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

.hang li {
  padding: 9px 0;
  border-top: 1px solid var(--rule-hair);
  font-size: 0.9em;
  color: var(--ink-soft);
  display: grid;
  grid-template-columns: 5.2em 1fr;
  gap: 0 14px;
}

.hang li:last-child { border-bottom: 1px solid var(--rule-hair); }

.hang dfn, .hang .k {
  font-family: var(--mono);
  font-size: 0.78em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-style: normal;
  padding-top: 0.25em;
}

.hang b { color: var(--ink); font-weight: 600; }

a { color: var(--plate); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--annot); }

/* ── Entries (research page) ─────────────────────────────────── */

.entry {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
  gap: clamp(20px, 3.4vw, 54px);
  align-items: start;
  padding: clamp(30px, 4.6vw, 54px) 0;
  border-top: 1px solid var(--rule);
}

.entry:first-of-type { border-top: 3px double var(--rule); }

.entry__no {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  margin: 0 0 6px;
}

.entry h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(22px, 2.5vw, 31px);
  line-height: 1.14;
  letter-spacing: -0.008em;
  margin: 0 0 10px;
}

.entry .q {
  font-style: italic;
  font-size: 1.02em;
  color: var(--plate);
  margin: 0 0 12px;
  max-width: 44ch;
}

.entry p { margin: 0 0 0.8em; font-size: 0.92em; color: var(--ink-soft); max-width: 74ch; }
.entry p:last-child { margin-bottom: 0; }

.minifig { margin: 0; }

.minifig__frame {
  border: 1px solid var(--rule-hair);
  background: var(--paper-sunk);
}

.minifig__frame canvas { display: block; width: 100%; height: auto; }

.minifig figcaption {
  max-width: none;
  margin-top: 9px;
  padding-top: 7px;
  font-size: 0.74em;
  line-height: 1.5;
  border-top: 1px solid var(--rule-hair);
}

@media (max-width: 720px) {
  .entry { grid-template-columns: 1fr; }
  .minifig { order: -1; }
}

/* ── Colophon ────────────────────────────────────────────────── */

.colophon {
  margin-top: clamp(56px, 9vw, 110px);
  padding: 18px 0 clamp(40px, 6vw, 70px);
  border-top: 3px double var(--rule);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 30px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.colophon a { color: var(--ink-soft); }
.colophon p { margin: 0; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}