/* texture.website: one slide, as in a design lecture. A numbered figure, a caption,
   rulers that name each dimension, and a panel of plain geometric controls. */
:root {
  --ground: #f2f0eb;
  --ink: #1d1d1b;
  --muted: #6e6b64;
  --rule: #1d1d1b;
  --faint: #d6d2c8;
  --accent: #c8402a;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --ground: #151514; --ink: #ecebe6; --muted: #9c988f; --rule: #ecebe6; --faint: #34332f; --accent: #ef6a52; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 16px/1.45 var(--sans); }
main { max-width: 72rem; margin: 0 auto; padding: 24px 16px 4rem; }
a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: 3px; }
code { font: 0.82em var(--mono); overflow-wrap: anywhere; }
button { font: 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; border: 1px solid var(--rule); background: transparent; color: var(--ink); border-radius: 0; padding: 0.35em 0.7em; cursor: pointer; min-height: 32px; }
.defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.key { font: 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); }

/* Without the script there is no composition; the catalog carries the page. */
.slide, .ladders { display: none; }
body.composed .slide { display: block; margin: 0; border-top: 2px solid var(--rule); }
body.composed .ladders:not([hidden]) { display: grid; }

.slide-head { display: flex; gap: 1rem; align-items: baseline; padding: 0.6rem 0; font: 0.78rem var(--mono); text-transform: uppercase; letter-spacing: 0.1em; }
.slide-head .title { flex: 1; font: 600 clamp(1.1rem, 2.6vw, 1.6rem) var(--sans); text-transform: none; letter-spacing: -0.01em; }
.slide-head .fig { color: var(--accent); }
.slide-head .when { color: var(--muted); }

.stage { position: relative; aspect-ratio: 1 / 1; max-height: 70vh; margin: 0 auto; overflow: hidden; background: var(--faint); outline: 1px solid var(--rule); }
.layers, .layer { position: absolute; inset: 0; }
.layer { background-repeat: repeat; transform-origin: center; }
.layer.drift { animation: drift 48s linear infinite; }
@keyframes drift { from { background-position: 0 0; } to { background-position: 384px 216px; } }
@media (prefers-reduced-motion: reduce) { .layer.drift { animation: none; } }

.caption { margin: 0.7rem 0 0; max-width: 46rem; font-size: 0.95rem; color: var(--muted); }
.caption::before { content: "Caption — "; font: 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink); }

/* The ladders, in three bands: look, make, use. Each ladder a row of words, the
   chosen word inverted, the phrase it adds beside it, a lock and a roll at the end. */
.ladders { margin: 1.2rem 0 0; gap: 0.2rem; }
.band { border-top: 1px solid var(--rule); padding-top: 0.2rem; }
.band-name { margin: 0.4rem 0 0.1rem; font: 0.7rem var(--mono); text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }
.ladder { display: grid; grid-template-columns: 5.5rem 1fr auto; align-items: start; gap: 0.6rem; border-bottom: 1px solid var(--faint); padding: 0.3rem 0; }
.ladder .key { padding-top: 0.55rem; }
.rung-column { display: grid; gap: 0.1rem; }
.rungs { display: flex; flex-wrap: wrap; gap: 0.2rem; }
.rungs button, .rungs a { font: 0.84rem var(--sans); text-transform: none; letter-spacing: 0; border: 1px solid transparent; padding: 0.3em 0.6em; min-height: 32px; display: inline-flex; align-items: center; text-decoration: none; color: var(--ink); background: transparent; }
.rungs button:hover, .rungs a:hover { border-color: var(--rule); }
.rungs button[aria-checked="true"] { background: var(--ink); color: var(--ground); }
.rungs button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.phrase { font: italic 0.8rem Georgia, serif; color: var(--muted); padding-left: 0.6em; }
.tools { display: flex; gap: 0.25rem; padding-top: 0.15rem; }
.tools button { min-width: 32px; border-color: var(--faint); }
.tools .lock[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.tools button:disabled { opacity: 0.35; cursor: default; }
.ladder.locked .rungs button[aria-checked="true"] { background: var(--accent); }
.neighbours .rungs a { color: var(--muted); }

/* The card: one composition in its modes, set like a plate in a design journal. */
.card:empty { display: none; }
.card { margin-top: 1.8rem; border: 1px solid var(--rule); background: color-mix(in srgb, var(--ground) 92%, #fff); }
.card-head { display: flex; gap: 0.8rem; align-items: baseline; padding: 0.6rem 0.9rem; border-bottom: 1px solid var(--rule); }
.card-title { font: 600 1.05rem var(--sans); letter-spacing: -0.01em; }
.card-body { display: grid; grid-template-columns: minmax(8rem, 30%) 1fr; gap: 1.1rem; padding: 0.9rem; }
@media (max-width: 40rem) { .card-body { grid-template-columns: 1fr; } }
.thumb { position: relative; overflow: hidden; outline: 1px solid var(--rule); background: var(--faint); max-height: 18rem; }
.card-words { display: grid; align-content: start; gap: 0.6rem; }
.card-prompt { margin: 0; font: 1.2rem/1.4 Georgia, "Iowan Old Style", serif; }
.card-prompt::first-letter { font-size: 1.6em; line-height: 0.9; }
.card-facets { margin: 0; font: 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); }
.card-line { margin: 0; }
.card-actions { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid var(--rule); }
.card-actions .action { flex: 1 1 8rem; min-height: 44px; border: 0; border-right: 1px solid var(--faint); }
.card-actions .action:last-child { border-right: 0; }
.card-actions .action:hover { background: var(--ink); color: var(--ground); }
.card-foot { border-top: 1px solid var(--rule); padding: 0.6rem 0.9rem 0.8rem; display: grid; gap: 0.5rem; }
.take, .readings { display: flex; flex-wrap: wrap; gap: 0.4rem 0.8rem; align-items: center; }
.ext { min-height: 32px; font: 0.82rem var(--mono); text-transform: none; letter-spacing: 0; }
.reading { font-size: 0.9rem; }
.reading a { font: 0.8rem var(--mono); }
.card-address { margin: 0; font: 0.78rem var(--mono); color: var(--muted); overflow-wrap: anywhere; }

.class { border-top: 1px solid var(--faint); padding: 0.6rem 0; }
.class h3 { font: 0.78rem var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin: 0; }
.class .words { font-size: 0.95rem; }

/* A speech bubble, shaped by the mark it is asked as. */
.bubble { position: absolute; left: 7%; top: 10%; max-width: min(26rem, 78%); margin: 0; padding: 0.7em 1em; background: #fdfcf8; color: #1d1d1b; font: 500 clamp(1rem, 2.4vw, 1.4rem)/1.25 var(--sans); border: 1.5px solid #1d1d1b; border-radius: 1.1em; }
.bubble::after { content: ""; position: absolute; left: 2em; bottom: -13px; border: 11px solid transparent; border-top-color: #1d1d1b; border-bottom: 0; }
.bubble[data-shape="thought"] { border-style: dashed; border-radius: 2em; }
.bubble[data-shape="thought"]::after { width: 12px; height: 12px; border: 1.5px solid #1d1d1b; border-radius: 50%; background: #fdfcf8; bottom: -20px; }
.bubble[data-shape="question"] { border-radius: 1.4em 1.4em 1.4em 0.15em; font-style: italic; }
.bubble[data-shape="burst"] { border-radius: 0; border-width: 2.5px; font-weight: 700; transform: rotate(-1.5deg); }

.catalog { margin-top: 2.4rem; }
.catalog h2 { font: 0.78rem var(--mono); text-transform: uppercase; letter-spacing: 0.1em; border-top: 2px solid var(--rule); padding-top: 0.6rem; }

/* The views: whose eyes the page is seen through. */
.views { display: flex; flex-wrap: wrap; gap: 0 1.2rem; padding: 0.3rem 0 0.6rem; font: 0.74rem var(--mono); text-transform: uppercase; letter-spacing: 0.1em; }
.views a { text-decoration: none; color: var(--muted); padding: 0.4rem 0; min-height: 32px; display: inline-flex; align-items: center; }
.views a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); }

/* Pivots: one move each, the technique it teaches beside it. */
.pivots:not([hidden]) { display: grid; margin-top: 0.4rem; border-top: 1px solid var(--rule); }
.pivot-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(15rem, 100%), 1fr)); gap: 0.2rem 1rem; }
.pivot { display: grid; grid-template-columns: auto 1fr; gap: 0 0.6rem; align-items: baseline; padding: 0.25rem 0; border-bottom: 1px solid var(--faint); }
.pivot button { text-transform: none; letter-spacing: 0; font: 0.84rem var(--sans); }
.pivot.set button { background: var(--ink); color: var(--ground); }
.pivot .value { font: 0.78rem var(--mono); }
.pivot .says { font: italic 0.8rem Georgia, serif; color: var(--muted); }
.pivot .technique { grid-column: 1 / -1; font-size: 0.8rem; color: var(--muted); display: none; }
.learned { display: none; flex-wrap: wrap; gap: 0.3rem; align-items: center; padding: 0.6rem 0; }
.chip { font: 0.74rem var(--mono); border: 1px solid var(--faint); padding: 0.2em 0.5em; color: var(--muted); }
.chip.tried { border-color: var(--accent); color: var(--ink); }
.learned .count { font-size: 0.8rem; color: var(--muted); margin-left: 0.4rem; }

/* The anatomy of a prompt, part by part, in PromptEngineer@. */
.anatomy { display: none; list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--faint); }
.anatomy li { display: grid; grid-template-columns: 6.5rem 1fr; gap: 0.6rem; padding: 0.2rem 0; border-bottom: 1px solid var(--faint); font-size: 0.86rem; }

.band-story { display: none; }

body.composed[data-view="prompt-engineer"] .technique,
body.composed[data-view="prompt-engineer"] .anatomy { display: block; }
body.composed[data-view="prompt-engineer"] .learned { display: flex; }
body.composed[data-view="story-designer"] .band-story { display: block; }
body.composed[data-view="story-designer"] .band-make .ladder:nth-child(3) { order: -1; }
body.composed[data-view="minimalist"] .ladders,
body.composed[data-view="minimalist"] .pivots,
body.composed[data-view="minimalist"] .catalog,
body.composed[data-view="minimalist"] .card-facets,
body.composed[data-view="minimalist"] .card-line,
body.composed[data-view="minimalist"] .card-foot,
body.composed[data-view="minimalist"] .caption,
body.composed[data-view="minimalist"] .thumb { display: none; }
body.composed[data-view="minimalist"] .card-body { grid-template-columns: 1fr; }

/* The square style card: the sketch, the day marked in its corners, a band of words. */
.style-card { position: relative; aspect-ratio: 1 / 1; width: min(100% - 1.8rem, 30rem); margin: 0 auto 0.9rem; overflow: hidden; outline: 1px solid var(--rule); background: var(--faint); }
.style-card .layers { position: absolute; inset: 0; }
.style-mark { position: absolute; inset: 0 0 auto; display: flex; justify-content: space-between; padding: 0.55rem 0.8rem; background: var(--band); color: var(--band-ink); font: 0.78rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.style-mark span:first-child { color: var(--band-mark); }
.style-band { position: absolute; inset: auto 0 0; margin: 0; padding: 0.8rem; background: var(--band); color: var(--band-ink); font: 0.95rem/1.35 Georgia, serif; }
.style-card.face-title .style-band { font: 600 1.5rem/1.15 Georgia, serif; }
.style-card.face-spw .style-band, .style-card.face-facets .style-band { font: 0.82rem/1.4 var(--mono); }
body.composed[data-view="minimalist"] .style-card { display: none; }

/* Images to hand an image model: each material's file, its link, one click to copy it. */
.images { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; padding: 0.6rem 0.9rem; border-top: 1px solid var(--faint); }
.image-link { display: inline-flex; gap: 0.5rem; align-items: center; }
.image-link img { width: 40px; height: 40px; outline: 1px solid var(--rule); }
.image-link .action { min-height: 32px; font-size: 0.72rem; }
.catalog a.png { font: 0.7rem var(--mono); color: var(--accent); text-decoration: none; margin-left: 0.15em; }