/* AI Tools for Doctoral Work: guest session deck.
   Palette and shell idiom harmonized with diss-proposal-defense/presentation. */

:root {
  /* Ground, ink and rules from the shared ecosystem tokens with pre-adoption
     fallbacks. Same palette family as the proposal-defense deck; accents local. */
  --ink: var(--mjm-ink, #17232d);
  --ink-soft: var(--mjm-muted, #34434e);
  --paper: var(--mjm-bg, #f3efe6);
  --paper-deep: #e8e0d2;
  --white: var(--mjm-surface, #fffdf8);
  --mjm-accent: var(--mjm-rust, #91462f);
  --rust: #91462f;
  --rust-dark: #6f3324;
  --teal: #2f6970;
  --teal-dark: #1f5057;
  --blue: #315f7c;
  --gold: #b58127;
  --line: rgba(23, 35, 45, .18);
  --line-light: rgba(255, 253, 248, .22);
  --shadow: 0 22px 70px rgba(18, 28, 36, .22);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, Aptos, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
html { color-scheme: light; }

body {
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  background: var(--ink);
  font-family: var(--sans);
}

button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

button:focus-visible,
a:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #f5c86a;
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px; left: 12px;
  padding: 12px 16px;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--ink);
  transform: translateY(-180%);
  transition: transform .16s ease;
}

.skip-link:focus { transform: translateY(0); }

/* ---------- Shell ---------- */

.presentation-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 66px minmax(0, 1fr) 74px;
  background:
    radial-gradient(circle at 50% -20%, rgba(74, 112, 126, .32), transparent 42%),
    #111b23;
}

.presentation-bar,
.control-dock {
  position: relative;
  z-index: 20;
  display: grid;
  align-items: center;
  color: rgba(255, 253, 248, .88);
  background: rgba(17, 27, 35, .94);
  backdrop-filter: blur(16px);
}

.presentation-bar {
  grid-template-columns: minmax(190px, 1fr) auto minmax(190px, 1fr);
  gap: 22px;
  padding: 10px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.presentation-brand {
  width: max-content;
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 253, 248, .4);
  font-weight: 800;
  font-size: .78rem;
  letter-spacing: .06em;
}

.presentation-brand strong { display: block; font-size: .84rem; letter-spacing: .01em; }
.presentation-brand small { display: block; font-size: .7rem; opacity: .62; }

.presentation-status { text-align: center; }
.presentation-status p { margin: 0; }
.presentation-status p:first-child {
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #d7b678;
}
.presentation-status p:last-child { font-size: .8rem; opacity: .72; font-variant-numeric: tabular-nums; }

.presentation-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.presentation-actions button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  color: inherit;
  background: rgba(255, 253, 248, .07);
  border: 1px solid rgba(255, 253, 248, .18);
  cursor: pointer;
  font-size: .78rem;
  transition: background .15s ease, border-color .15s ease;
}

.presentation-actions button:hover { background: rgba(255, 253, 248, .14); }
.presentation-actions button[aria-pressed="true"] {
  background: rgba(181, 129, 39, .28);
  border-color: rgba(213, 172, 96, .6);
}

/* ---------- Dock ---------- */

.control-dock {
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 20px;
  padding: 12px 22px;
  border-top: 1px solid rgba(255, 255, 255, .08);
}

.control-dock button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  color: inherit;
  background: rgba(255, 253, 248, .08);
  border: 1px solid rgba(255, 253, 248, .2);
  cursor: pointer;
  font-size: .8rem;
}

.control-dock button:hover:not(:disabled) { background: rgba(255, 253, 248, .16); }
.control-dock button:disabled { opacity: .3; cursor: default; }

.progress-wrap { min-width: 0; }

.progress-track {
  height: 3px;
  background: rgba(255, 253, 248, .14);
  overflow: hidden;
}

.progress-track span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  transition: width .28s ease;
}

.progress-wrap p {
  margin: 8px 0 0;
  font-size: .76rem;
  opacity: .66;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

/* ---------- Stage and slides ---------- */

.stage {
  position: relative;
  min-height: 0;
  padding: 26px;
  display: grid;
}

.stage:focus { outline: none; }

.deck {
  position: relative;
  min-height: 0;
  display: grid;
}

.slide {
  position: relative;
  grid-area: 1 / 1;
  display: none;
  overflow: hidden;
  padding: clamp(28px, 3.4vw, 54px);
  background: var(--paper);
  box-shadow: var(--shadow);
  container-type: inline-size;
}

.slide.active { display: grid; }

.slide-field {
  position: relative;
  z-index: 2;
  align-self: center;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: clamp(.62rem, .82cqw, .74rem);
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 700;
}

.slide h1 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.4cqw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.01em;
}

.slide h2 {
  margin: 0 0 22px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.9cqw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -.005em;
}

.slide h3 {
  margin: 0 0 8px;
  font-size: clamp(.86rem, 1.16cqw, 1rem);
  letter-spacing: .02em;
}

.slide p { line-height: 1.5; }

.t-lead { color: var(--teal-dark); }
.t-quiet { color: var(--ink-soft); }

.subtitle {
  margin: 0 0 26px;
  font-size: clamp(.95rem, 1.4cqw, 1.2rem);
  color: var(--ink-soft);
}

.title-meta { border-top: 1px solid var(--line); padding-top: 18px; }
.title-meta p { margin: 0 0 4px; font-size: clamp(.78rem, 1cqw, .9rem); color: var(--ink-soft); }

.title-index {
  position: absolute;
  right: clamp(28px, 3.4vw, 54px);
  bottom: clamp(28px, 3.4vw, 54px);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--ink-soft);
  opacity: .5;
}

.title-index div { width: 54px; height: 1px; background: currentColor; }

.slide-coda {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-size: clamp(.95rem, 1.5cqw, 1.28rem);
  color: var(--rust-dark);
}

.source-line {
  margin: 22px 0 0;
  font-size: clamp(.66rem, .84cqw, .78rem);
  line-height: 1.5;
  color: var(--ink-soft);
  opacity: .82;
}

.source-line a { color: var(--blue); }

/* ---------- Slide variants ---------- */

.slide-title { background: linear-gradient(140deg, var(--white), var(--paper-deep)); }

.slide-statement { background: linear-gradient(150deg, #1d2c37, #16222b); }
.slide-statement .eyebrow { color: #d7b678; }
.slide-statement h2 { color: var(--white); }
.slide-statement p { color: rgba(255, 253, 248, .82); }
.slide-statement .slide-coda { border-top-color: var(--line-light); color: #e2b578; }

.slide-dark { background: linear-gradient(150deg, #1d2c37, #16222b); }
.slide-dark .eyebrow { color: #d7b678; }
.slide-dark h2, .slide-dark h3 { color: var(--white); }
.slide-dark p, .slide-dark li { color: rgba(255, 253, 248, .82); }
.slide-dark .slide-coda { border-top-color: var(--line-light); color: #e2b578; }
.slide-dark .source-line { color: rgba(255, 253, 248, .6); }
.slide-dark .source-line a { color: #8fc0d8; }

/* Four relationship cards */

.relationship-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.relationship-grid li {
  padding: 18px 16px;
  background: var(--white);
  border-top: 3px solid var(--teal);
  box-shadow: 0 8px 24px rgba(18, 28, 36, .07);
}

.relationship-grid li:nth-child(2) { border-top-color: var(--rust); }
.relationship-grid li:nth-child(3) { border-top-color: var(--gold); }
.relationship-grid li:nth-child(4) { border-top-color: var(--blue); }

.relationship-grid .r-num {
  display: block;
  font-size: .68rem;
  letter-spacing: .18em;
  color: var(--ink-soft);
  opacity: .6;
  margin-bottom: 8px;
}

.relationship-grid strong {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.05rem, 1.7cqw, 1.5rem);
  margin-bottom: 8px;
  color: var(--teal-dark);
}

.relationship-grid li:nth-child(2) strong { color: var(--rust-dark); }
.relationship-grid li:nth-child(3) strong { color: #8a6117; }
.relationship-grid li:nth-child(4) strong { color: var(--blue); }

.relationship-grid p {
  margin: 0 0 8px;
  font-size: clamp(.74rem, .95cqw, .88rem);
  color: var(--ink-soft);
}

.relationship-grid .r-duty {
  margin: 0;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: clamp(.68rem, .86cqw, .8rem);
  color: var(--ink);
}

.relationship-grid .r-duty span {
  display: block;
  font-size: .62rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 4px;
}

/* Pull quote */

.pull-quote {
  margin: 0 0 22px;
  padding: clamp(20px, 2.6cqw, 34px) clamp(22px, 3cqw, 40px);
  background: var(--white);
  border-left: 5px solid var(--rust);
  box-shadow: 0 10px 30px rgba(18, 28, 36, .08);
}

.pull-quote p {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(1rem, 1.7cqw, 1.45rem);
  line-height: 1.42;
}

.pull-quote p:last-child { margin-bottom: 0; }
.pull-quote .q-hot { color: var(--rust-dark); font-style: italic; }

.quote-attrib {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(.68rem, .86cqw, .8rem);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* Two-panel compare */

.panel-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0 0 20px;
}

.panel {
  padding: 20px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(18, 28, 36, .07);
}

.slide-dark .panel { background: rgba(255, 253, 248, .06); box-shadow: none; border: 1px solid var(--line-light); }

.panel-head {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: .64rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 700;
}

.slide-dark .panel-head { border-bottom-color: var(--line-light); color: #d7b678; }

.panel ul { margin: 0; padding-left: 18px; }
.panel li { margin-bottom: 7px; font-size: clamp(.78rem, .98cqw, .92rem); line-height: 1.45; }
.panel li:last-child { margin-bottom: 0; }

/* Field list, for the memo template */

.field-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.field-list li {
  padding: 11px 13px;
  background: rgba(47, 105, 112, .08);
  border-left: 2px solid var(--teal);
  font-size: clamp(.78rem, .98cqw, .9rem);
  line-height: 1.4;
}

.field-list strong {
  display: block;
  margin-bottom: 2px;
  color: var(--teal-dark);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

/* One completed AI-use decision trace */

.decision-case {
  margin: 0 0 18px;
  padding: 18px 22px;
  background: var(--white);
  border-top: 3px solid var(--teal);
  box-shadow: 0 8px 24px rgba(18, 28, 36, .07);
}

.decision-case-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: clamp(1rem, 1.35cqw, 1.18rem);
  color: var(--teal-dark);
}

.decision-trace {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 26px;
  margin: 0;
}

.decision-trace div {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.decision-trace dt {
  font-size: .64rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 700;
}

.decision-trace dd {
  margin: 0;
  font-size: clamp(.78rem, .98cqw, .9rem);
  line-height: 1.42;
  color: var(--ink-soft);
}

/* Numbered hard rules */

.rule-list { margin: 0 0 20px; padding: 0; list-style: none; counter-reset: rule; }

.rule-list li {
  position: relative;
  counter-increment: rule;
  padding: 11px 0 11px 52px;
  border-bottom: 1px solid var(--line-light);
  font-size: clamp(.8rem, 1.06cqw, .98rem);
  line-height: 1.45;
}

.rule-list li:last-child { border-bottom: none; }

.rule-list li::before {
  content: counter(rule, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 11px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: #d7b678;
  font-weight: 700;
}

/* Link list for the live demo slide */

.demo-list { margin: 0 0 18px; padding: 0; list-style: none; display: grid; gap: 12px; }

.demo-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 22px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(18, 28, 36, .07);
}

.demo-list .d-time {
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--rust);
  font-weight: 700;
  padding-top: 3px;
}

.demo-list strong { display: block; font-size: clamp(1rem, 1.35cqw, 1.18rem); margin-bottom: 4px; }
.demo-list a { color: var(--blue); font-size: clamp(.78rem, .98cqw, .9rem); word-break: break-all; }
.demo-list p { margin: 7px 0 0; font-size: clamp(.82rem, 1.04cqw, .96rem); color: var(--ink-soft); }

.reference-links {
  margin: 0 0 18px;
  font-size: clamp(.8rem, 1cqw, .92rem);
  color: var(--ink-soft);
}

.reference-links a { color: var(--blue); }

/* Tension list */

.tension-list { margin: 0 0 18px; padding: 0; list-style: none; display: grid; gap: 11px; }

.tension-list li {
  padding: 13px 18px;
  background: rgba(255, 253, 248, .06);
  border-left: 3px solid var(--rust);
}

.tension-list strong {
  display: block;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(.95rem, 1.35cqw, 1.18rem);
  color: #e2b578;
  margin-bottom: 4px;
}

.tension-list p { margin: 0; font-size: clamp(.74rem, .94cqw, .86rem); }

/* Resource cards */

.resource-list { margin: 0 0 18px; padding: 0; list-style: none; display: grid; gap: 13px; }

.resource-list li {
  padding: 15px 18px;
  background: var(--white);
  border-left: 4px solid var(--teal);
  box-shadow: 0 8px 24px rgba(18, 28, 36, .07);
}

.resource-list li:nth-child(2) { border-left-color: var(--rust); }
.resource-list li:nth-child(3) { border-left-color: var(--gold); }

.resource-list .r-role {
  display: block;
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--rust);
  font-weight: 700;
  margin-bottom: 6px;
}

.resource-list cite {
  display: block;
  font-style: normal;
  font-size: clamp(.78rem, 1cqw, .92rem);
  line-height: 1.45;
  margin-bottom: 6px;
}

.resource-list p { margin: 0; font-size: clamp(.72rem, .9cqw, .83rem); color: var(--ink-soft); }
.resource-list a { color: var(--blue); }

/* Discussion questions */

.question-list { margin: 0; padding: 0; list-style: none; counter-reset: q; display: grid; gap: 16px; }

.question-list li {
  position: relative;
  counter-increment: q;
  padding-left: 58px;
  font-family: var(--serif);
  font-size: clamp(1rem, 1.65cqw, 1.42rem);
  line-height: 1.36;
  color: var(--white);
}

.question-list li::before {
  content: counter(q);
  position: absolute;
  left: 0;
  top: -2px;
  width: 38px; height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(213, 172, 96, .55);
  font-family: var(--sans);
  font-size: .82rem;
  color: #d7b678;
}

/* Reveal steps: opacity only, never layout */

[data-step] { opacity: .12; transition: opacity .34s ease; }
[data-step].revealed { opacity: 1; }

/* ---------- Overview ---------- */

.deck.overview {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  align-content: start;
  overflow-y: auto;
  padding: 4px;
}

.deck.overview .slide {
  display: grid;
  grid-area: auto;
  aspect-ratio: 16 / 9;
  padding: 16px;
  cursor: pointer;
  box-shadow: 0 8px 26px rgba(0, 0, 0, .3);
  transition: transform .16s ease, outline-color .16s ease;
  outline: 2px solid transparent;
}

.deck.overview .slide:hover { transform: translateY(-3px); }
.deck.overview .slide.active { outline-color: var(--gold); }
.deck.overview .slide h1 { font-size: 1.05rem; }
.deck.overview .slide h2 { font-size: .86rem; margin-bottom: 6px; }
.deck.overview .slide .eyebrow { font-size: .52rem; margin-bottom: 6px; }
.deck.overview .slide .title-index,
.deck.overview .slide .source-line,
.deck.overview .slide .slide-coda,
.deck.overview .slide .subtitle,
.deck.overview .slide .title-meta,
.deck.overview .slide ul,
.deck.overview .slide ol,
.deck.overview .slide .pull-quote,
.deck.overview .slide .panel-pair,
.deck.overview .slide .decision-case,
.deck.overview .slide .reference-links { display: none; }

/* ---------- Notes drawer ---------- */

.notes-drawer {
  position: fixed;
  z-index: 60;
  top: 0; right: 0;
  width: min(430px, 92vw);
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--white);
  box-shadow: -18px 0 50px rgba(0, 0, 0, .34);
  transform: translateX(102%);
  transition: transform .22s ease;
}

.notes-drawer.open { transform: translateX(0); }

.notes-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
}

.notes-header p {
  margin: 0 0 4px;
  font-size: .62rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--rust);
}

.notes-header h2 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 1.1rem; }

.notes-header button {
  flex-shrink: 0;
  width: 34px; height: 34px;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.notes-content { padding: 20px 22px 40px; overflow-y: auto; }
.notes-content h2 {
  margin: 20px 0 8px;
  font-family: var(--sans);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal-dark);
}
.notes-content h2:first-child { margin-top: 0; }
.notes-content p { margin: 0 0 12px; font-size: .88rem; line-height: 1.58; }
.notes-content a { color: var(--blue); }

/* ---------- Keyboard help ---------- */

.keyboard-help {
  position: fixed;
  z-index: 90;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(12, 20, 26, .72);
}

.keyboard-help[hidden] { display: none; }

.keyboard-help-panel {
  position: relative;
  width: min(520px, 100%);
  padding: 34px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.keyboard-help-panel button {
  position: absolute;
  top: 14px; right: 14px;
  width: 34px; height: 34px;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.keyboard-help-panel h2 { margin: 0 0 20px; font-family: var(--serif); font-weight: 400; font-size: 1.4rem; }
.keyboard-help-panel dl { margin: 0; display: grid; gap: 10px; }
.keyboard-help-panel dl div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 14px; }
.keyboard-help-panel dt { font-size: .82rem; font-weight: 700; color: var(--teal-dark); }
.keyboard-help-panel dd { margin: 0; font-size: .82rem; color: var(--ink-soft); }

/* ---------- Narrow screens ---------- */

@media (max-width: 900px) {
  .presentation-bar { grid-template-columns: minmax(0, 1fr) auto; gap: 12px; }
  .presentation-brand { width: auto; max-width: 100%; min-width: 0; }
  .presentation-brand > span:last-child { min-width: 0; overflow: hidden; }
  .presentation-brand strong,
  .presentation-brand small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .presentation-status { display: none; }
  .action-label { display: none; }
  .relationship-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel-pair { grid-template-columns: minmax(0, 1fr); }
  .field-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .decision-trace { grid-template-columns: minmax(0, 1fr); }
  .stage, .deck, .slide { min-width: 0; min-height: 0; }
  .stage { padding: 12px; }
}

@media (max-width: 620px) {
  .presentation-shell {
    min-height: 0;
    height: 100vh;
    height: 100dvh;
  }
  .presentation-bar { padding: 8px 12px; }
  .stage, .deck { overflow: hidden; }
  .deck, .slide { height: 100%; }
  .slide {
    align-content: start;
    overflow-y: auto;
    padding: 22px 18px;
  }
  .slide-field { align-self: start; }
  .relationship-grid { grid-template-columns: minmax(0, 1fr); }
  .field-list { grid-template-columns: minmax(0, 1fr); }
  .control-dock { gap: 10px; padding-inline: 12px; }
  .control-dock button span:last-child { display: none; }
}

/* ---------- Reduced motion and print ---------- */

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* Landscape so slides print at close to their on-screen proportions and fill
   the sheet. Portrait left roughly 40% of every page empty. */

@media print {
  @page { size: letter landscape; margin: 10mm; }

  body { overflow: visible; background: #fff; }

  .presentation-bar,
  .control-dock,
  .keyboard-help,
  .skip-link,
  .title-index { display: none !important; }

  .presentation-shell { display: block; min-height: 0; background: none; }
  .stage { display: block; padding: 0; }
  .deck { display: block; }

  .slide {
    display: grid !important;
    grid-area: auto;
    align-content: center;
    /* Letter landscape is 215.9mm tall; 20mm of that is margin. 190mm fills the
       sheet with ~6mm of slack, which is enough that no slide splits. */
    min-height: 190mm;
    margin: 0;
    padding: 12mm 14mm;
    border: none;
    box-shadow: none;
    break-inside: avoid;
    page-break-after: always;
    break-after: page;
  }

  /* Without this the final slide's forced break emits a blank trailing page. */
  .slide:last-child { page-break-after: auto; break-after: auto; }

  [data-step] { opacity: 1 !important; }
}