.lewis-terms,
.lt-learning-page {
  --lt-ink: var(--charcoal, #373638);
  --lt-muted: var(--charcoal-80, #5a595b);
  --lt-soft: var(--charcoal-50, #9b9a9c);
  --lt-paper: var(--cream, #f5f3ef);
  --lt-white: var(--white, #fff);
  --lt-red: var(--red, #ff2c3f);
  --lt-rule: var(--rule, #e4e1dc);
  color: var(--lt-ink);
  font-family: var(--font-sans, sans-serif);
}
.lewis-terms *, .lewis-terms *::before, .lewis-terms *::after,
.lt-learning-page *, .lt-learning-page *::before, .lt-learning-page *::after { box-sizing: border-box; }
.lewis-terms { margin: 46px 0; }
.lt-section-head {
  display: flex; align-items: end; justify-content: space-between; gap: 20px;
  margin-bottom: 18px;
}
.lt-eyebrow {
  margin: 0 0 8px; color: var(--lt-red); font-size: .67rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
}
.lt-heading {
  margin: 0; font-family: var(--font-display, Georgia, serif);
  font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 300; letter-spacing: -.025em; line-height: 1;
}
.lt-count { color: var(--lt-soft); font-size: .75rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lt-feature {
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(250px, .92fr);
  overflow: hidden; background: var(--lt-white); border-top: 2px solid var(--lt-red);
}
.lt-copy { min-width: 0; padding: clamp(24px, 4vw, 50px); display: flex; flex-direction: column; }
.lt-term-number { margin: 0 0 14px; color: var(--lt-red); font-size: .68rem; letter-spacing: .14em; }
.lt-term-title {
  display: block; width: fit-content; max-width: 100%; margin: 0; padding: 0; border: 0; border-radius: 0;
  color: var(--lt-ink); background: transparent; text-align: left;
  font: 300 clamp(2.15rem, 4.1vw, 3.7rem)/.98 var(--font-display, Georgia, serif);
  letter-spacing: -.035em; cursor: pointer; overflow-wrap: anywhere;
}
.lt-term-title:hover { color: var(--lt-red); background: transparent; }
h1.lt-term-title { cursor: default; }
h1.lt-term-title:hover { color: var(--lt-ink); }
.lt-definition {
  max-width: 610px; margin: 18px 0 22px; color: var(--lt-muted);
  font-size: clamp(.94rem, 1.2vw, 1.08rem); line-height: 1.6;
}
.lt-controls { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.lt-control-group { display: flex; gap: 8px; }
.lt-control, .lt-open, .lt-back {
  min-height: 42px; padding: 10px 15px; border: 1px solid var(--lt-rule); border-radius: 2px;
  color: var(--lt-ink); background: transparent; font: 500 .76rem var(--font-sans, sans-serif);
  cursor: pointer; transition: color .16s ease, background-color .16s ease, border-color .16s ease;
}
.lt-control:hover:not(:disabled), .lt-open:hover, .lt-back:hover {
  color: var(--lt-white); background: var(--lt-red); border-color: var(--lt-red);
}
.lt-control:disabled { opacity: .45; cursor: not-allowed; }
.lt-open { border-color: var(--lt-red); color: var(--lt-red); }
.lt-visual-wrap {
  min-width: 0; padding: clamp(18px, 2.5vw, 30px); background: var(--lt-paper);
  display: flex; flex-direction: column; justify-content: center;
}
.lt-visual-label { margin: 0 0 10px; color: var(--lt-soft); font-size: .65rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; }
.lt-visual { flex: 1; min-height: 180px; display: flex; align-items: center; justify-content: center; }
.lt-visual-details { margin-top: 12px; border-top: 1px solid var(--lt-rule); }
.lt-visual-details summary {
  width: fit-content; padding: 11px 0 2px; color: var(--lt-red); font-size: .76rem;
  font-weight: 600; cursor: pointer; list-style: none;
}
.lt-visual-details summary::-webkit-details-marker { display: none; }
.lt-visual-details summary::after { content: " ↓"; display: inline-block; margin-left: 6px; transition: transform .18s ease; }
.lt-visual-details[open] summary::after { transform: rotate(180deg); }
.lt-visual-details[open] .lt-visual { min-height: 260px; padding-top: 14px; }
.lt-illustration { width: 100%; color: var(--lt-ink); font-size: .78rem; }
.lt-node {
  padding: 12px 13px; background: var(--lt-white); border: 1px solid #d8d4cd;
  color: var(--lt-ink); line-height: 1.35; text-align: center;
}
.lt-node strong { display: block; margin-bottom: 4px; font-weight: 600; }
.lt-node span { color: var(--lt-muted); font-size: .72rem; }
.lt-tag { color: var(--lt-red); font-size: .62rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.lt-flow { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; }
.lt-arrow { color: var(--lt-red); font-size: 1.15rem; }
.lt-stack { display: grid; gap: 8px; width: min(100%, 330px); }
.lt-split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; }
.lt-lane { padding: 12px; border-top: 2px solid var(--lt-red); background: rgba(255,255,255,.6); }
.lt-lane-title { margin: 0 0 9px; color: var(--lt-muted); font-size: .63rem; font-weight: 600; letter-spacing: .11em; text-transform: uppercase; }
.lt-mini { padding: 9px; background: var(--lt-white); border: 1px solid var(--lt-rule); line-height: 1.4; }
.lt-mini + .lt-mini { margin-top: 6px; }
.lt-bars { display: grid; gap: 10px; width: 100%; }
.lt-bar { height: 11px; background: var(--lt-white); border-left: 3px solid var(--lt-red); }
.lt-bar:nth-child(2) { width: 80%; }.lt-bar:nth-child(3) { width: 61%; }
.lt-visual-note { margin: 10px 0 0; color: var(--lt-soft); font-size: .68rem; line-height: 1.45; }
.lt-business-image { display: block; width: 100%; height: auto; max-height: 430px; object-fit: contain; }
.lt-illustration:has(.lt-business-image) { display: grid; place-items: center; }
.lt-multiple-slides { --lt-slide-controls-offset: 40px; }
.lt-slide-picker { max-width: 100%; margin-bottom: 8px; padding: 7px 10px; border: 1px solid var(--lt-rule); background: #fff; color: var(--lt-ink); font: inherit; }
.lt-illustration.lt-image-fit { display: grid; place-items: center; padding: 10px; background: var(--lt-paper); }
.lt-illustration.lt-image-fit .lt-business-image { max-height: none; }
.lt-transcript { width: 100%; padding: 15px; background: var(--lt-white); border-left: 2px solid var(--lt-red); color: var(--lt-muted); line-height: 1.55; }
.lt-transcript p { margin: 0; }
.lt-transcript p + p { margin-top: 9px; }
.lt-fullscreen { display: block; margin: 10px auto 0; }
.lt-visual:fullscreen { display: grid; place-items: center; padding: 4vw; background: var(--lt-paper); }
.lt-visual:fullscreen .lt-business-image { max-height: 88dvh; }
.lt-error { color: var(--lt-muted); }
.lewis-terms button:focus-visible, .lewis-terms summary:focus-visible,
.lt-learning-page button:focus-visible, .lt-learning-page input:focus-visible,
.lt-learning-page summary:focus-visible {
  outline: 2px solid var(--lt-red); outline-offset: 3px;
}

/* Dedicated, document-flow learning stage; no dialog or nested scroller. */
body.terminology-stage-active {
  background: var(--cream, #f5f3ef);
  max-width: none;
  padding: 0;
}
body.terminology-stage-active #step-terminology.step {
  display: block; width: 100%; max-width: none; margin: 0; padding: 0;
}
body.terminology-stage-active #terminology-content { width: 100%; }
.lt-learning-page { min-height: 100dvh; padding: 18px clamp(18px, 4.5vw, 66px) 36px; }
.lt-page-top {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  max-width: 1500px; margin: 0 auto 16px; padding-bottom: 14px; border-bottom: 1px solid var(--lt-rule);
}
.lt-back { border-color: transparent; padding-left: 0; color: var(--lt-red); }
.lt-page-brand { margin: 0; color: var(--lt-soft); font-size: .66rem; font-weight: 600; letter-spacing: .15em; }
.lt-page-actions { display: flex; align-items: center; gap: 18px; }
.lt-print {
  min-height: 40px; padding: 9px 13px; border: 1px solid var(--lt-red); border-radius: 2px;
  color: var(--lt-red); background: transparent; font: 600 .72rem var(--font-sans, sans-serif); cursor: pointer;
}
.lt-print:hover { color: var(--lt-white); background: var(--lt-red); }
.lt-glossary-preview { display: block; }
.lt-glossary-preview .lt-copy { min-height: 0; padding: clamp(24px, 4vw, 42px); }
.lt-preview-title { margin: 0; font: 300 clamp(1.5rem, 2.5vw, 2.25rem)/1.15 var(--font-display, Georgia, serif); }
.lt-glossary-preview .lt-definition { max-width: 760px; }
.lt-glossary-preview .lt-open { width: fit-content; }
.lt-glossary-header {
  max-width: 1100px; margin: 38px auto 26px; padding: 24px 28px 27px;
  border-left: 3px solid var(--lt-red); background: var(--lt-white);
}
.lt-glossary-header .lt-eyebrow { margin-bottom: 11px; }
.lt-glossary-title {
  margin: 0; color: var(--lt-ink); font: 300 clamp(2.4rem, 5vw, 4.3rem)/.98 var(--font-display, Georgia, serif);
  letter-spacing: -.035em;
}
.lt-glossary-title:focus { outline: none; }
.lt-glossary-intro { max-width: 700px; margin: 14px 0 0; color: var(--lt-muted); font-size: .98rem; line-height: 1.55; }
.lt-glossary-tools {
  max-width: 1100px; margin: 0 auto 30px; display: flex; align-items: end; gap: 18px;
}
.lt-glossary-tools .lt-search-label { flex: 0 0 auto; }
.lt-glossary-tools .lt-search { max-width: 450px; }
.lt-glossary-count { margin: 0 0 10px auto; color: var(--lt-soft); font-size: .75rem; white-space: nowrap; }
.lt-glossary-list { max-width: 1100px; margin: 0 auto; }
.lt-glossary-section { margin: 0 0 36px; }
.lt-glossary-group-title {
  margin: 0 0 11px; padding: 0 0 10px; border-bottom: 1px solid var(--lt-rule);
  color: var(--lt-red); font-size: .69rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase;
}
.lt-glossary-entry {
  display: grid; grid-template-columns: 44px minmax(0, 1fr); column-gap: 12px;
  padding: 18px 20px; border-bottom: 1px solid var(--lt-rule); background: var(--lt-white);
}
.lt-glossary-number {
  grid-row: span 2; margin: 4px 0 0; color: var(--lt-red); font-size: .68rem;
  font-variant-numeric: tabular-nums; letter-spacing: .08em;
}
.lt-glossary-term { margin: 0; color: var(--lt-ink); font: 300 clamp(1.25rem, 2vw, 1.7rem)/1.15 var(--font-display, Georgia, serif); }
.lt-glossary-definition { max-width: 850px; margin: 7px 0 0; color: var(--lt-muted); font-size: .9rem; line-height: 1.6; }
.lt-glossary-entry[hidden], .lt-glossary-section[hidden], .lt-empty-search[hidden] { display: none; }
.lt-empty-search { margin: 0; padding: 24px; background: var(--lt-white); color: var(--lt-muted); }
.lt-page-layout {
  display: grid; grid-template-columns: minmax(210px, 260px) minmax(0, 1fr); gap: clamp(22px, 4vw, 58px);
  max-width: 1500px; margin: 0 auto;
}
.lt-picker { min-width: 0; }
.lt-picker-summary { display: none; }
.lt-picker-content { display: block; }
.lt-picker-heading { margin: 5px 0 16px; color: var(--lt-ink); font: 300 1.7rem/1.05 var(--font-display, Georgia, serif); }
.lt-search-label { display: block; margin-bottom: 7px; color: var(--lt-muted); font-size: .65rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.lt-search {
  width: 100%; min-height: 42px; padding: 10px 12px; border: 1px solid #cbc7c0; border-radius: 2px;
  color: var(--lt-ink); background: var(--lt-white); font: .84rem var(--font-sans, sans-serif);
}
.lt-term-list { margin: 14px 0 0; padding: 0; list-style: none; }
.lt-term-list button {
  width: 100%; padding: 8px 9px; border: 0; border-bottom: 1px solid var(--lt-rule); border-radius: 0;
  color: var(--lt-ink); background: transparent; text-align: left; font: .76rem var(--font-sans, sans-serif); cursor: pointer;
  transition: background-color .18s ease, color .18s ease;
}
.lt-term-list button[aria-current="true"] {
  color: var(--lt-red); background: var(--lt-white);
}
.lt-term-list button:hover:not(:disabled) {
  color: var(--lt-ink); background: rgba(255, 44, 63, .12);
}
.lt-page-detail {
  min-width: 0; align-self: start; display: grid; grid-template-columns: minmax(0, 1fr);
  background: var(--lt-white); border-top: 3px solid var(--lt-red);
}
.lt-page-detail .lt-copy { min-height: 0; padding: 18px clamp(20px, 2.5vw, 34px) 14px; }
.lt-page-detail .lt-term-number { margin-bottom: 8px; }
.lt-page-detail .lt-term-title { font-size: clamp(2rem, 3.6vw, 3.25rem); }
.lt-page-detail .lt-definition { max-width: 900px; margin: 8px 0 12px; font-size: .96rem; line-height: 1.45; }
.lt-page-detail .lt-controls { margin-top: 0; }
.lt-page-detail .lt-visual-wrap { min-height: 0; padding: 13px clamp(18px, 2.5vw, 34px) 17px; border-top: 1px solid var(--lt-rule); }
.lt-page-detail .lt-visual-label { margin-bottom: 6px; }
.lt-page-detail .lt-visual { min-height: 0; }
.lt-page-detail .lt-visual-details { margin-top: 6px; }
.lt-page-detail .lt-visual-details summary { padding: 7px 0 0; }
.lt-page-detail .lt-visual-details[open] .lt-visual { min-height: 0; padding-top: 8px; }
.lt-page-detail .lt-business-image { max-height: min(48vh, calc(100dvh - 380px - var(--lt-slide-controls-offset, 0px)), 500px); width: 100%; }
.lt-empty-search { padding: 12px 8px; color: var(--lt-muted); font-size: .8rem; }

@media (max-width: 980px) {
  .lt-page-layout { grid-template-columns: minmax(180px, 220px) minmax(0, 1fr); gap: 20px; }
}
@media (max-width: 680px) {
  .lt-feature { grid-template-columns: 1fr; }
  .lt-copy { min-height: 280px; }
  .lt-visual-wrap { min-height: 300px; }
  .lt-page-layout { grid-template-columns: 1fr; gap: 12px; }
  .lt-picker { padding: 0; border-bottom: 1px solid var(--lt-rule); }
  .lt-picker-summary {
    display: block; width: fit-content; padding: 10px 0; color: var(--lt-red);
    font-size: .76rem; font-weight: 600; cursor: pointer; border: 0; background: transparent;
  }
  .lt-picker-summary::-webkit-details-marker { display: none; }
  .lt-picker-summary::after { content: " ↓"; }
  .lt-picker.is-expanded > .lt-picker-summary::after { content: " ↑"; }
  .lt-picker:not(.is-expanded) > .lt-picker-content { display: none; }
  .lt-picker-content { padding: 0 0 14px; }
  .lt-picker-heading { margin: 0 0 10px; }
  .lt-term-list { display: flex; flex-wrap: wrap; gap: 6px; }
  .lt-term-list li { flex: 0 1 auto; max-width: 100%; }
  .lt-term-list button { width: auto; min-height: 38px; border: 1px solid var(--lt-rule); }
  .lt-page-detail { grid-template-columns: 1fr; }
  .lt-page-detail .lt-copy { padding: 18px 20px 14px; }
  .lt-page-detail .lt-visual-wrap { min-height: 0; }
  .lt-page-detail .lt-business-image { max-height: none; }
  .lt-learning-page { padding: 12px 16px 28px; }
}
@media (max-width: 420px) {
  .lt-section-head { align-items: flex-start; flex-direction: column; gap: 8px; }
  .lt-copy { padding: 24px 20px; }
  .lt-controls { align-items: flex-start; flex-direction: column; }
  .lt-control-group { width: 100%; }
  .lt-control { flex: 1; }
  .lt-page-top { align-items: center; flex-direction: row; gap: 8px; }
  .lt-page-brand { display: none; }
  .lt-page-actions { width: auto; justify-content: flex-end; margin-left: auto; }
  .lt-glossary-header { margin: 24px auto 20px; padding: 20px 18px; }
  .lt-glossary-tools { align-items: stretch; flex-direction: column; gap: 7px; }
  .lt-glossary-tools .lt-search-label { margin-bottom: 0; }
  .lt-glossary-tools .lt-search { max-width: none; }
  .lt-glossary-count { margin: 2px 0 0; }
  .lt-glossary-entry { grid-template-columns: 31px minmax(0, 1fr); column-gap: 8px; padding: 16px 13px; }
  .lt-glossary-section { margin-bottom: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  .lt-control, .lt-open, .lt-back, .lt-visual-details summary::after { transition: none; }
}

@media print {
  @page { size: letter; margin: .65in; }
  body.terminology-stage-active { background: #fff !important; color: #373638; }
  body.terminology-stage-active #step-terminology.step { margin: 0; padding: 0; }
  .lt-learning-page { min-height: 0; padding: 0; color: #373638; }
  .lt-page-top, .lt-glossary-tools { display: none !important; }
  .lt-glossary-header {
    max-width: none; margin: 0 0 24px; padding: 0 0 20px;
    border-left: 0; border-bottom: 2px solid #ff2c3f; background: #fff;
  }
  .lt-glossary-header::before {
    content: "LEWIS COMMUNICATIONS"; display: block; margin-bottom: 16px;
    color: #777; font: 600 8pt var(--font-sans, sans-serif); letter-spacing: .16em;
  }
  .lt-glossary-header .lt-eyebrow { color: #d91e32; font-size: 8pt; }
  .lt-glossary-title { color: #373638; font-size: 31pt; }
  .lt-glossary-intro { margin-top: 9px; color: #5a595b; font-size: 10pt; }
  .lt-glossary-list { max-width: none; }
  .lt-glossary-section { margin-bottom: 22px; }
  .lt-glossary-group-title {
    margin-bottom: 5px; padding-bottom: 6px; color: #d91e32; font-size: 8pt;
    break-after: avoid; page-break-after: avoid;
  }
  .lt-glossary-entry {
    grid-template-columns: 28px minmax(0, 1fr); gap: 5px 8px;
    padding: 10px 0; border-bottom: 1px solid #ddd; background: #fff;
    break-inside: avoid; page-break-inside: avoid;
  }
  .lt-glossary-number { margin-top: 2px; font-size: 8pt; }
  .lt-glossary-term { color: #373638; font-size: 13pt; }
  .lt-glossary-definition { margin-top: 4px; color: #4f4e50; font-size: 9.5pt; line-height: 1.45; }
  .lt-glossary-entry[hidden], .lt-glossary-section[hidden], .lt-empty-search[hidden] { display: none !important; }
  .lt-empty-search { display: none !important; }
}