/* Exercise With What — one stylesheet.
   Family standards: Playfair Display / DM Sans / DM Mono, cream ground, one
   accent injected per page as --accent. No dark-mode toggle, per family rule. */

:root {
  --paper: #FBF8F2;
  --ink: #23211D;
  --ink-soft: #5A554C;
  --rule: #E2DBCD;
  --card: #FFFFFF;
  --accent: #2E8B3A;
  --measure: 34rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
}

h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2rem, 5vw, 2.9rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.7rem); margin-top: 2.2em; }
h3 { font-size: 1.15rem; }

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

p { margin: 0 0 1.1em; }

main {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}

/* ── Chrome ────────────────────────────────────────────────────────────── */

.masthead {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  padding: 0.4rem 1rem;
}
.masthead a { color: var(--paper); text-decoration: none; }
.masthead a:hover { text-decoration: underline; }
.masthead em { font-style: italic; }

.site-header {
  max-width: 62rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule);
}
.wordmark {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}
.wordmark em { color: var(--accent); font-style: italic; }
.site-nav { display: flex; gap: 1.25rem; font-size: 0.95rem; }
.site-nav a { color: var(--ink-soft); text-decoration: none; }
.site-nav a:hover { color: var(--accent); }

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 1.5rem 0 0.5rem;
}
.breadcrumbs a { color: var(--ink-soft); }
.crumb-sep { margin: 0 0.5rem; opacity: 0.5; }

.site-footer {
  border-top: 1px solid var(--rule);
  max-width: 62rem;
  margin: 3rem auto 0;
  padding: 2rem 1.25rem 3rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.footer-line { font-family: 'Playfair Display', Georgia, serif; font-size: 1.05rem; color: var(--ink); }
.footer-note { max-width: var(--measure); }
.footer-links a { color: var(--ink-soft); }

/* ── Landing ───────────────────────────────────────────────────────────── */

.hero { padding: 3rem 0 1rem; }
.hero h1 { max-width: 20ch; }
.hero h1 em { color: var(--accent); font-style: italic; }
.lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: var(--measure);
}

.constraint-list { list-style: none; padding: 0; max-width: var(--measure); }
.constraint-list li {
  padding: 0.65rem 0 0.65rem 1rem;
  border-left: 3px solid var(--accent);
  margin-bottom: 0.6rem;
  background: linear-gradient(90deg, rgba(46,139,58,0.05), transparent 60%);
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1.25rem;
}
.collection-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--accent);
  border-radius: 3px;
  padding: 1.25rem;
  text-decoration: none;
  color: var(--ink);
}
.collection-card:hover { border-color: var(--accent); }
.collection-card h3 { margin-bottom: 0.15em; }
.count {
  font-family: 'DM Mono', ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.promise p { max-width: var(--measure); }

/* ── Collection hub ────────────────────────────────────────────────────── */

.collection-head { padding-top: 0.5rem; }

.facet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 1rem 2rem;
}
.facet h3 { font-family: 'DM Sans', sans-serif; font-size: 0.8rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--ink-soft); }
.facet-values { list-style: none; padding: 0; margin: 0; font-size: 0.95rem; }
.facet-values li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.25rem 0;
  border-bottom: 1px dotted var(--rule);
}
.facet-count { font-family: 'DM Mono', monospace; color: var(--ink-soft); font-size: 0.85rem; }

.record-list ul { list-style: none; padding: 0; }
.record-row {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: minmax(9rem, 14rem) 1fr;
  gap: 0.25rem 1.5rem;
}
.record-row a { font-weight: 500; text-decoration: none; }
.record-row a:hover { text-decoration: underline; }
.record-summary { color: var(--ink-soft); font-size: 0.95rem; }

@media (max-width: 34rem) {
  .record-row { grid-template-columns: 1fr; }
}

/* ── Record page ───────────────────────────────────────────────────────── */

.record-head { padding-top: 0.5rem; }
.record-body { max-width: var(--measure); }
.record-body h2 { border-top: 1px solid var(--rule); padding-top: 1.5rem; }
.record-body strong { font-weight: 700; }

.record-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.75rem 1.5rem;
  margin: 1.75rem 0;
  padding: 1.25rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 3px;
}
.record-field dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}
.record-field dd { margin: 0; font-size: 0.95rem; }

.tag {
  display: inline-block;
  font-size: 0.8rem;
  padding: 0.15rem 0.5rem;
  margin: 0 0.25rem 0.25rem 0;
  background: rgba(46, 139, 58, 0.09);
  border: 1px solid rgba(46, 139, 58, 0.28);
  border-radius: 2px;
  color: #1F6528;
}
.tag-none { background: transparent; border-style: dashed; color: var(--ink-soft); }

.ta-link { font-family: 'DM Mono', monospace; font-size: 0.85rem; }
.ta98 { font-family: 'DM Mono', monospace; font-size: 0.78rem; color: var(--ink-soft); }

.notice {
  max-width: var(--measure);
  padding: 0.9rem 1.1rem;
  margin: 1.5rem 0;
  font-size: 0.92rem;
  background: #FFF8E8;
  border: 1px solid #E8D7A8;
  border-left: 3px solid #C9A227;
  border-radius: 2px;
  color: #4A4231;
}

.related { max-width: var(--measure); }
.related ul { list-style: none; padding: 0; }
.related li { padding: 0.4rem 0; border-bottom: 1px dotted var(--rule); }
.rel-kind {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-left: 0.5rem;
}

/* ── Movement diagram ──────────────────────────────────────────────────── */

.movement-figure {
  margin: 1.75rem 0;
  max-width: var(--measure);
}
.movement-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: 3px;
  /* The diagrams are generated on the site's paper colour, so this only shows
     if a figure comes back on white — which prepare-figures.py also warns on. */
  background: var(--paper);
}

/* ── Citations ─────────────────────────────────────────────────────────── */

sup.cite { line-height: 0; font-size: 0.7em; }
sup.cite a {
  text-decoration: none;
  padding: 0 0.15em;
  font-family: 'DM Mono', monospace;
  font-weight: 500;
}
sup.cite a:hover { text-decoration: underline; }

.sources {
  max-width: var(--measure);
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}
.sources h2 {
  font-size: 1.1rem;
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}
.source-list { padding-left: 1.4rem; font-size: 0.9rem; }
.source-list li { margin-bottom: 1rem; }
.source-list li:target { background: rgba(46, 139, 58, 0.09); }
.src-cite { display: block; }
.src-where { display: block; color: var(--ink-soft); }
.src-ids { display: block; font-family: 'DM Mono', monospace; font-size: 0.8rem; }
.src-ids a { margin-right: 0.75rem; }
.src-note {
  display: block;
  margin-top: 0.35rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--rule);
  color: var(--ink-soft);
  font-size: 0.88rem;
}
.source-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-style: italic;
  margin-top: 1.25rem;
}

/* ── Technique keypoints ───────────────────────────────────────────────── */

.figure-frame { position: relative; }

.kp-marker {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  background: var(--accent);
  color: #FFFFFF;
  border: 2px solid var(--paper);
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.22);
  pointer-events: none;
}

.keypoints {
  max-width: var(--measure);
  margin: 1.5rem 0;
  padding: 1.1rem 1.25rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
}
.kp-heading {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0 0 0.6rem;
  border-top: none;
  padding-top: 0;
}
.kp-list {
  margin: 0;
  padding-left: 1.35rem;
  font-size: 0.97rem;
}
.kp-list li { padding: 0.18rem 0; }
.kp-list li::marker {
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  font-weight: 500;
}

/* ── Library ───────────────────────────────────────────────────────────── */

.library-section { margin-top: 2.25rem; }
.record-list-plain { list-style: none; padding: 0; margin: 0; }
.article-section {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent);
  margin: 0 0 0.3rem;
}
.article .record-body h2 {
  font-size: 1.35rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.4rem;
}

/* ── Session Builder ───────────────────────────────────────────────────── */

.builder { max-width: 46rem; margin: 1.5rem 0; }
.bf {
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--card);
  padding: 1rem 1.25rem 1.25rem;
  margin: 0 0 1rem;
}
.bf legend {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.15rem;
  padding: 0 0.4rem;
}
.bf-note { font-size: 0.88rem; color: var(--ink-soft); max-width: var(--measure); }

.opt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 0.25rem 1rem;
}
.opt-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.opt {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0;
  font-size: 0.95rem;
  cursor: pointer;
}
.opt input { accent-color: var(--accent); width: 1rem; height: 1rem; }
.opt-time {
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.35rem 0.7rem;
}
.opt-time:has(input:checked) { border-color: var(--accent); background: rgba(46,139,58,0.07); }

.kit-text { margin-top: 1rem; border-top: 1px dotted var(--rule); padding-top: 0.75rem; }
.kit-text summary { cursor: pointer; font-size: 0.92rem; color: var(--accent); }
.kit-text input[type="text"] {
  width: 100%;
  max-width: 26rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  font: inherit;
  font-size: 0.95rem;
  margin-right: 0.5rem;
}
.parse-note { font-size: 0.9rem; color: var(--ink-soft); max-width: var(--measure); }
.parse-refused {
  background: #FFF8E8;
  border: 1px solid #E8D7A8;
  border-left: 3px solid #C9A227;
  padding: 0.8rem 1rem;
  border-radius: 2px;
  color: #4A4231;
}

.bf-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.btn-primary, .btn-secondary {
  font: inherit;
  font-size: 0.95rem;
  padding: 0.55rem 1.1rem;
  border-radius: 2px;
  cursor: pointer;
  border: 1px solid var(--accent);
}
.btn-primary { background: var(--accent); color: #fff; font-weight: 500; }
.btn-primary:hover { background: #26742F; }
.btn-secondary { background: transparent; color: var(--accent); }
.btn-secondary:hover { background: rgba(46,139,58,0.08); }
.btn-secondary:disabled { opacity: 0.5; cursor: default; }
.seed-label { font-size: 0.82rem; color: var(--ink-soft); font-family: 'DM Mono', monospace; }
.seed-label input {
  width: 5.5rem; font: inherit; padding: 0.35rem 0.45rem;
  border: 1px solid var(--rule); border-radius: 2px; margin-left: 0.3rem;
}

#session-output { max-width: 46rem; margin-top: 2rem; outline: none; }
.session-head { border-top: 2px solid var(--accent); padding-top: 1rem; }
.session-head h2 { margin-top: 0; }
.session-meta {
  font-family: 'DM Mono', monospace; font-size: 0.82rem;
  color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.03em;
}
.session-list { list-style: none; padding: 0; margin: 1.25rem 0; }
.session-move {
  display: grid;
  grid-template-columns: 2rem 1fr auto;
  gap: 0.5rem 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.sm-n {
  font-family: 'DM Mono', monospace; font-weight: 500;
  color: #fff; background: var(--accent);
  width: 1.7rem; height: 1.7rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 0.85rem;
}
.sm-title { font-weight: 500; font-size: 1.05rem; text-decoration: none; }
.sm-title:hover { text-decoration: underline; }
.sm-summary { margin: 0.25rem 0 0.4rem; color: var(--ink-soft); font-size: 0.93rem; }
.sm-why { margin: 0; font-size: 0.82rem; color: var(--ink-soft); }
.sm-label {
  font-family: 'DM Mono', monospace; text-transform: uppercase;
  letter-spacing: 0.06em; font-size: 0.7rem; color: var(--accent); margin-right: 0.3rem;
}
.sm-sets {
  font-family: 'DM Mono', monospace; font-size: 0.85rem;
  color: var(--ink-soft); white-space: nowrap;
}
.session-reps, .session-seed, .session-empty {
  border: 1px solid var(--rule); background: var(--card);
  border-radius: 3px; padding: 1rem 1.25rem; margin-top: 1.25rem;
}
.session-reps h3 { margin-top: 0; }
.session-seed p { margin: 0; font-size: 0.85rem; color: var(--ink-soft); }
.session-seed code { font-family: 'DM Mono', monospace; color: var(--ink); }
.builder-how { max-width: var(--measure); margin-top: 3rem; }

@media (max-width: 34rem) {
  .session-move { grid-template-columns: 1.7rem 1fr; }
  .sm-sets { grid-column: 2; }
}

/* ── Region pages ──────────────────────────────────────────────────────── */

.rp-head { padding-top: 0.5rem; }
.rp-eyebrow {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent);
  margin: 0 0 0.3rem;
}

.rp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  align-items: start;          /* short panels must not stretch to the tall one */
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.rp-panel {
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
  padding: 1.1rem 1.35rem 1.35rem;
  margin: 1.25rem 0;
}
.rp-grid .rp-panel { margin: 0; }
.rp-panel h2 {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-soft);
  margin: 0 0 0.7rem;
  border-top: none;
  padding-top: 0;
}
.rp-none { color: var(--ink-soft); font-size: 0.93rem; margin: 0; }

.rp-bones, .rp-functions { list-style: none; padding: 0; margin: 0; }
.rp-bones li, .rp-functions li {
  padding: 0.25rem 0;
  border-bottom: 1px dotted var(--rule);
  font-size: 0.96rem;
}
.rp-bones li:last-child, .rp-functions li:last-child { border-bottom: none; }

.rp-structures { list-style: none; padding: 0; margin: 0; }
.rp-structures li {
  display: grid;
  grid-template-columns: minmax(10rem, 15rem) 1fr;
  gap: 0.2rem 1.25rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--rule);
}
.rp-structures li:last-child { border-bottom: none; }
.rp-name { font-weight: 500; text-decoration: none; }
.rp-name:hover { text-decoration: underline; }
.rp-actions { color: var(--ink-soft); font-size: 0.9rem; }

.rp-attach { margin: 0; }
.rp-attach-row {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: minmax(10rem, 15rem) 1fr;
  gap: 0.15rem 1.25rem;
}
.rp-attach-row:last-child { border-bottom: none; }
.rp-attach dt { grid-row: span 2; font-weight: 500; }
.rp-attach dt a { text-decoration: none; }
.rp-attach dt a:hover { text-decoration: underline; }
.rp-attach dd {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.35rem;
}
.rp-lbl {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  padding-top: 0.12rem;
}

.rp-loaded { list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 0.4rem 0.6rem; }
.rp-loaded li { margin: 0; }
.rp-loaded a {
  display: inline-block;
  font-size: 0.9rem;
  padding: 0.25rem 0.6rem;
  background: rgba(46,139,58,0.08);
  border: 1px solid rgba(46,139,58,0.25);
  border-radius: 2px;
  text-decoration: none;
}
.rp-loaded a:hover { background: rgba(46,139,58,0.16); }

.rp-provenance {
  max-width: var(--measure);
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}
.rp-provenance h2 { font-size: 1.1rem; margin-top: 0; }
.rp-provenance p { font-size: 0.93rem; color: var(--ink-soft); }

.rp-other { margin-top: 2.5rem; }
.rp-other h2 { font-size: 1.1rem; }
.rp-other-links { display: flex; flex-wrap: wrap; gap: 0.4rem 0.6rem; }
.rp-other-links a {
  font-size: 0.9rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  text-decoration: none;
  color: var(--ink);
}
.rp-other-links a:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 34rem) {
  .rp-structures li, .rp-attach-row { grid-template-columns: 1fr; }
  .rp-attach dt { grid-row: auto; }
}

/* Region nav on the Atlas hub */
.rp-nav { margin: 2rem 0 2.5rem; }
.rp-nav h2 { font-size: 1.15rem; margin-bottom: 0.3rem; }
.rp-nav-lede { max-width: var(--measure); color: var(--ink-soft);
  font-size: 0.95rem; margin: 0 0 1rem; }
.rp-nav-links {
  list-style: none; padding: 0; margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: 0.6rem;
}
.rp-nav-links a {
  display: block;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
  text-decoration: none;
  background: var(--card);
}
.rp-nav-links a:hover { border-color: var(--accent); }
.rp-nav-name { display: block; font-weight: 500; color: var(--ink); }
.rp-nav-count {
  display: block;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin-top: 0.15rem;
}

/* Sourced anatomical plate on a region page */
.rp-plate {
  margin: 2rem 0 0;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 3px;
  display: grid;
  grid-template-columns: minmax(0, 20rem) minmax(0, 1fr);
  gap: 0 2rem;
  align-items: start;
}
.rp-plate img {
  /* Carter's plates vary wildly in shape -- 354x1229 for the thigh, 500x189
     for the foot. Bound both axes and let the aspect ratio do the rest. */
  display: block;
  max-width: 100%;
  max-height: 30rem;
  width: auto;
  height: auto;
  margin: 0 auto;
  /* The scans are on aged paper; this sits them on the site's cream. */
  mix-blend-mode: multiply;
}
.rp-plate figcaption { max-width: var(--measure); }
.rp-plate-cap {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.08rem;
  line-height: 1.4;
  margin: 0 0 0.5rem;
  color: var(--ink);
}
.rp-plate-note,
.rp-plate-src {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 0.5rem;
}
.rp-plate-src cite { font-style: italic; }
.rp-plate-term {
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0.9rem 0 0;
  padding: 0.7rem 0.9rem;
  background: rgba(46,139,58,0.06);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
  color: var(--ink);
}

@media (max-width: 44rem) {
  .rp-plate { grid-template-columns: 1fr; gap: 1.25rem; padding: 1.1rem; }
  .rp-plate img { max-height: 22rem; }
}