/* Beginner glossary: one concrete example, then progressive exploration. */
[hidden] { display: none !important; }
#dictionary-screen .search-section { max-width: none; margin-bottom: 24px; }
#dictionary-screen .search-section > label { color: var(--color-text-muted); font-weight: 500; }
#learning-home-screen .gl-welcome { padding: 0; border: 0; }
.gl-lesson-heading { margin-bottom: 24px; }
.gl-lesson-heading h1 { font-size: clamp(26px, 3.2vw, 34px); letter-spacing: -.04em; margin: 8px 0; line-height: 1.3; }
.gl-lesson-heading > p:last-child { color: var(--color-text-muted); margin: 8px 0 0; }
.gl-workbench { display: grid; grid-template-columns: minmax(230px, .95fr) 28px minmax(270px, 1.1fr); align-items: center; gap: 16px; }
.gl-roles { display: grid; gap: 10px; }
.gl-role { display: flex; gap: 14px; align-items: center; text-align: left; width: 100%; min-height: 80px; padding: 16px; border: 1px solid var(--color-border); border-radius: 8px; color: var(--color-text); background: var(--color-surface); cursor: pointer; }
.gl-role[aria-pressed="true"] { background: var(--color-accent-soft); border-color: var(--color-accent); }
.gl-role strong { display: block; font-size: 17px; font-weight: 650; }
.gl-role small { display: block; font-size: 14px; color: var(--color-text-muted); }
.gl-number { color: var(--color-text-muted); font-size: 13px; }
.gl-role-mark { margin-left: auto; color: var(--color-accent); font-size: 20px; }
.gl-arrow { font-size: 24px; text-align: center; color: var(--color-text-muted); }
.gl-browser { min-width: 0; border: 1px solid var(--color-border); border-radius: 10px; overflow: hidden; background: var(--color-surface); }
.gl-browser-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; border-bottom: 1px solid var(--color-border); color: var(--color-text-muted); font-size: 12px; }
.gl-dots { color: var(--color-border-strong); font-size: 9px; }
.gl-demo { min-height: 214px; padding: 24px 16px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; }
#gl-demo-label, #gl-demo-feedback { color: var(--color-text-muted); font-size: 14px; text-align: center; }
#gl-demo-feedback { margin: 0; min-height: 22px; }
#gl-demo-button { padding: 11px 28px; min-height: 48px; min-width: 150px; border: 1px solid var(--color-border-strong); border-radius: 2px; background: var(--color-bg); color: var(--color-text); cursor: pointer; }
#gl-demo-button.is-styled { border-radius: 9px; background: var(--color-accent); border-color: var(--color-accent); color: var(--color-on-accent); }
#gl-caption { margin: 0; border-top: 1px solid var(--color-border); padding: 14px 18px; background: var(--color-bg); font-size: 14px; }
.gl-next-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 24px 0 28px; }
.gl-next-row p { margin: 0; font-size: 13px; color: var(--color-text-muted); }
.gl-quiz { padding: 24px 0; border-top: 1px solid var(--color-border); }
.gl-quiz h2 { font-size: 21px; margin: 8px 0; }
.gl-answers { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.gl-overview { border-top: 1px solid var(--color-border); padding-top: 20px; }
.gl-overview-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.gl-overview-heading h2 { font-size: 16px; margin: 0; }
.gl-overview-heading > span { font-size: 12px; color: var(--color-text-muted); }
.gl-journey { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 4px; padding: 0; margin: 20px 0; list-style: none; }
.gl-journey li { position: relative; text-align: center; padding-top: 22px; font-size: 13px; color: var(--color-text-muted); }
.gl-journey li::before { content: ""; position: absolute; left: 0; right: 0; top: 6px; height: 1px; background: var(--color-border); }
.gl-journey li:first-child::before { left: 50%; }
.gl-journey li:last-child::before { right: 50%; }
.gl-journey li::after { content: ""; position: absolute; left: calc(50% - 4px); top: 3px; width: 8px; height: 8px; border-radius: 50%; background: var(--color-border-strong); }
.gl-journey li[aria-current] { color: var(--color-accent); font-weight: 600; }
.gl-journey li[aria-current]::after { background: var(--color-accent); width: 10px; height: 10px; left: calc(50% - 5px); top: 2px; }
.gl-journey small { display: block; min-height: 18px; font-size: 11px; }
#gl-full-map > summary, .gl-relation summary { cursor: pointer; min-height: 44px; padding: 10px 0; }
#gl-full-map > summary { color: var(--color-text-muted); font-size: 14px; }
summary:focus-visible, [tabindex="-1"]:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 3px; }
.gl-muted { color: var(--color-text-muted); font-size: 14px; }
.gl-map-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin: 20px 0; }
.gl-map-group h3 { margin: 0 0 8px; font-size: 16px; }
.gl-path-link { width: 100%; display: block; text-align: left; padding: 12px 0; border: 0; border-bottom: 1px solid var(--color-border); background: transparent; color: var(--color-text-muted); min-height: 44px; cursor: pointer; overflow-wrap: anywhere; font-size: 14px; }
.gl-path-link[aria-pressed="true"] { color: var(--color-accent); font-weight: 600; }
.gl-path { border-top: 1px solid var(--color-border); padding: 24px 0; scroll-margin-top: 90px; }
.gl-path h2 { font-size: 24px; margin: 8px 0; }
.gl-path h3 { font-size: 15px; margin: 20px 0 10px; }
.gl-term-list { display: flex; flex-wrap: wrap; gap: 8px; }
.gl-term-button { padding: 10px 14px; border: 1px solid var(--color-border); border-radius: 6px; background: var(--color-surface); color: var(--color-text); cursor: pointer; min-height: 44px; text-align: left; max-width: 100%; overflow-wrap: anywhere; }
.gl-term-button:hover { border-color: var(--color-accent); }
#gl-path-quiz { margin-top: 24px; }
.gl-term-dialog { width: min(640px, calc(100% - 32px)); max-height: calc(100dvh - 40px); padding: 24px; border: 1px solid var(--color-border); border-radius: 12px; background: var(--color-surface); color: var(--color-text); overflow-y: auto; }
.gl-term-dialog::backdrop { background: rgb(0 0 0 / .55); }
.gl-dialog-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.gl-dialog-heading h2 { margin: 4px 0 12px; font-size: 24px; overflow-wrap: anywhere; }
.gl-dialog-heading button { flex-shrink: 0; }
#glossary-term-body h3 { font-size: 17px; margin: 24px 0 8px; }
.gl-relation { padding: 12px 0; border-bottom: 1px solid var(--color-border); overflow-wrap: anywhere; }
.gl-relation p { margin: 8px 0; }
.gl-source { font-size: 13px; color: var(--color-text-muted); overflow-wrap: anywhere; }
#dictionary-screen .dictionary-actions { padding: 20px 0; }
#dictionary-screen .text-button { min-height: 44px; }
@media (max-width: 720px) {
  .gl-workbench { grid-template-columns: 1fr; gap: 12px; }
  .gl-arrow { display: none; }
  .gl-role { min-height: 68px; padding: 12px 16px; }
  .gl-demo { min-height: 180px; }
  .gl-next-row { padding: 18px 0 24px; }
  #gl-next { width: 100%; }
  .gl-journey { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 16px; }
  .gl-journey li:nth-child(3)::before { right: 50%; }
  .gl-journey li:nth-child(4)::before { left: 50%; }
  .gl-map-groups { grid-template-columns: 1fr; }
  .gl-overview-heading { align-items: flex-start; }
  .gl-term-dialog { padding: 18px; }
}

/* Definitions remain visible before the concrete example at every width. */
#dictionary-screen .search-input-wrapper { grid-template-columns: minmax(0, 1fr) auto; }
#dictionary-screen .search-btn { width: auto; min-width: 64px; padding: 10px 16px; }
.gl-role-definition { display: block; margin: 6px 0 8px; color: var(--color-text); font-size: 14px; line-height: 1.55; }
.gl-role > span:nth-child(2) { min-width: 0; }
.gl-role-mark { flex-shrink: 0; }
.gl-workbench { align-items: start; }
.gl-arrow { align-self: center; }
.gl-term-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 24px; }
.gl-path-term { min-width: 0; padding: 12px 0; border-bottom: 1px solid var(--color-border); }
.gl-path-term h4 { margin: 0 0 8px; font-size: 16px; overflow-wrap: anywhere; }
.gl-path-term p { margin: 0 0 8px; font-size: 14px; line-height: 1.65; overflow-wrap: anywhere; }
@media (max-width: 720px) {
  .gl-roles { grid-template-columns: 1fr; gap: 8px; }
  .gl-role { padding: 12px 14px; }
  .gl-number { display: none; }
  .gl-role strong { font-size: 16px; }
  .gl-role small { font-size: 13px; }
  .gl-lesson-heading { margin-bottom: 18px; }
  .gl-term-list { grid-template-columns: 1fr; }
}

/* One navigation vocabulary across the app, with a visible current page. */
.nav-button[aria-current="page"] { background: var(--color-accent-soft); color: var(--color-accent); box-shadow: inset 0 -2px var(--color-accent); }
.app-header__inner { display: grid; grid-template-columns: 1fr auto auto; }
.app-nav .nav-button, #theme-toggle { min-height: 44px; }
.search-page-title { margin: 0 0 24px; font-size: 28px; }
#learning-home-screen .gl-welcome { border: 0; padding: 0; }
#learning-home-screen .dictionary-actions { padding: 20px 0; }
#learning-home-screen .text-button { min-height: 44px; }
#glossary-path-title, #gl-intro { scroll-margin-top: 140px; }
.gl-term-dialog [tabindex="-1"]:focus-visible { outline: 3px solid var(--color-accent); }
#learning-map-screen .graph-insights { display: none; }
@media (max-width: 720px) {
  .app-header__inner { grid-template-columns: 1fr auto; gap: 0 12px; padding-top: 4px; }
  .app-nav { grid-column: 1 / -1; grid-row: 2; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); width: 100%; }
  #theme-toggle { grid-column: 2; grid-row: 1; }
  .app-nav .nav-button { white-space: nowrap; padding: 8px 4px; font-size: 13px; }
  .app-shell { padding-top: 24px; }
}

.gl-stage-button { display: block; width: 100%; min-height: 44px; padding: 4px 2px; border: 0; background: transparent; color: inherit; cursor: pointer; font: inherit; }
.gl-stage-button:hover { text-decoration: underline; }

/* The learning map is the default structure; examples are inside their topic. */
.gl-map-heading { margin-bottom: 24px; }
.gl-map-heading h1 { margin: 0 0 8px; font-size: 30px; }
.gl-map-heading p { margin: 0; color: var(--color-text-muted); }
.gl-map-groups { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 24px; }
.gl-map-group { border-top: 2px solid var(--color-border); padding-top: 16px; min-width: 0; }
.gl-map-number { margin: 0 0 6px; color: var(--color-accent); font-size: 13px; }
.gl-map-group h3 { font-size: 19px; margin-bottom: 8px; }
.gl-map-purpose { margin: 0 0 14px; font-size: 14px; color: var(--color-text-muted); min-height: 44px; }
.gl-map-note { color: var(--color-text-muted); font-size: 13px; border-top: 1px solid var(--color-border); padding-top: 16px; }
.gl-lesson-heading h2 { font-size: 28px; line-height: 1.35; margin: 8px 0; }
#gl-intro { padding-top: 24px; }
#gl-start-lesson { margin: 12px 0; }
#gl-restart { display: none; }
@media (max-width: 900px) { .gl-map-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .gl-map-groups { grid-template-columns: 1fr; gap: 24px; } .gl-map-purpose { min-height: 0; } }