/* «الوصفة التعليمية» - the recipe section, the recipe spine of a concept page,
   the lesson page and the lesson builder, and the three-track band on the home
   page. Loaded by those pages only. Identity tokens only; every state pairs its
   colour with a shape, an icon or a word. */

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }
details > summary:focus-visible { outline: none; box-shadow: var(--focus); border-radius: var(--r-sm); }

/* ── The numbered disc: the ONE way a step number is drawn ────────────────── */
.step-disc, .step-no { flex: none; width: 1.8rem; height: 1.8rem; border-radius: 50%; display: inline-grid; place-content: center;
  background: var(--slate-deep); color: #fff; font-weight: 700; font-size: 0.95rem; line-height: 1; font-variant-numeric: tabular-nums; }
.step-tag { display: inline-flex; align-items: center; gap: 0.45rem; margin: 0 0 0.6rem; font-size: var(--t-sm); font-weight: 700; color: var(--clay-strong); }
.step-tag .step-no { background: var(--clay-strong); }

/* ── Home: the three tracks, three shapes ─────────────────────────────────── */
.tracks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.track { display: flex; flex-direction: column; gap: 0.6rem; padding: 1.4rem 1.4rem 1.2rem; background: var(--surface);
  border: 1px solid var(--rule); border-top: 5px solid var(--slate); border-radius: var(--r-md); }
.track h3 { font-size: var(--t-md); color: var(--slate-deep); }
.track > p { color: var(--ink-2); }
.track-mark { width: 3rem; height: 3rem; display: grid; place-content: center; color: #fff; background: var(--slate-deep); }
.track-mark .icon { width: 1.5rem; height: 1.5rem; }
.track-mark-library { border-radius: 50%; }
.track-mark-recipe { border-radius: var(--r-sm); }
.track-mark-map { width: 2.5rem; height: 2.5rem; margin: 0.25rem; border-radius: 6px; transform: rotate(45deg); }
.track-mark-map .icon { transform: rotate(-45deg); }
.track-links { list-style: none; margin: auto 0 0; padding: 0.3rem 0 0; display: grid; gap: 0.3rem; }
.track-links a { display: inline-flex; align-items: center; gap: 0.3rem; font-weight: 600; text-decoration: none; }
.track-links a:hover { text-decoration: underline; }

/* ── The concept page: the sign, then the spine, then the parts ───────────── */
.term-layout-recipe { grid-template-areas: "stage aside" "main aside"; grid-template-rows: auto 1fr; row-gap: 1.5rem; }
.term-layout-recipe > .term-stage { grid-area: stage; }
.term-layout-recipe > .term-main { grid-area: main; }
.term-layout-recipe > .term-aside { grid-area: aside; align-self: start; }
.side-card > .small:last-child { margin-top: 0.75rem; }

/* The spine: five stops on one thread. A stop that is there is a filled disc;
   one that is not yet is a dashed ring - and says so in words. */
.spine { list-style: none; margin: 0; padding: 0; }
.spine-step { position: relative; display: flex; gap: 0.7rem; padding: 0.6rem 0; border-bottom: 1px solid var(--rule); }
.spine-step:last-child { border-bottom: 0; }
.spine-step::before { content: ""; position: absolute; inset-inline-start: calc(0.95rem - 1.5px); top: 2.55rem; bottom: -0.1rem; width: 3px;
  background: var(--rule); border-radius: 2px; }
.spine-step:last-child::before { display: none; }
.spine-no { flex: none; width: 1.9rem; height: 1.9rem; margin-top: 0.15rem; border-radius: 50%; display: grid; place-content: center;
  font-weight: 700; background: var(--slate-deep); color: #fff; position: relative; z-index: 1; }
.is-missing .spine-no { background: var(--surface); color: var(--ink-2); border: 2px dashed var(--rule-strong); }
.spine-body { flex: 1; min-width: 0; }
.spine-body p { margin: 0; }
.spine-name { font-weight: 700; line-height: 1.5; }
.spine-name a { text-decoration: none; }
.spine-name a:hover { text-decoration: underline; }
.is-missing .spine-name { color: var(--ink-2); }
.spine-state { display: flex; align-items: center; gap: 0.3rem; margin-top: 0.15rem; font-size: var(--t-sm); font-weight: 600; color: var(--slate-deep); }
.spine-state .none { display: inline-block; padding: 0 0.6rem; border: 1.5px dashed var(--rule-strong); border-radius: var(--r-full);
  color: var(--ink-2); font-weight: 500; }
.spine-support { list-style: none; margin: 0.5rem 0 0; padding: 0.4rem 0.7rem; display: grid; gap: 0.25rem;
  background: var(--slate-soft); border-radius: var(--r-sm); font-size: var(--t-sm); }
.spine-support li { display: flex; align-items: center; gap: 0.4rem; }
.spine-support .state { margin-inline-start: auto; display: inline-flex; align-items: center; gap: 0.25rem; color: var(--ink-2); white-space: nowrap; }
.spine-support .none { color: var(--ink-2); }

/* Step ٣: two columns that differ in shape and words, not in colour alone. */
.block > .block-head + .pairs { margin-top: 0; }
.block > * + .pairs, .block > * + .staff-add, .block > * + .sheet-list, .block > * + .sheet-note { margin-top: 1.25rem; }
.pairs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 1rem; }
.pair { padding: 1rem 1.1rem; background: var(--surface); border-radius: var(--r-md); }
.pair-yes { border: 2px solid var(--ok); }
.pair-no { border: 2px dashed var(--bad); }
.pair-head { display: flex; align-items: center; gap: 0.6rem; font-size: var(--t-md); }
.pair-yes .pair-head { color: var(--ok); }
.pair-no .pair-head { color: var(--bad); }
.pair-mark { width: 2rem; height: 2rem; display: inline-grid; place-content: center; color: #fff; }
.pair-yes .pair-mark { border-radius: 50%; background: var(--ok); }
.pair-no .pair-mark { border-radius: 4px; background: var(--bad); }
.pair-mark .icon { width: 1.2rem; height: 1.2rem; }
.pair-list { list-style: none; margin: 0.75rem 0 0; padding: 0; display: grid; gap: 0.6rem; }
.pair-item { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 0.9rem; padding: 0.7rem 0.9rem; background: var(--paper); border-radius: var(--r-sm); }
.pair-item > p { flex: 1 1 10rem; margin: 0; font-weight: 600; line-height: 1.6; }
.pair-pic { flex: none; max-width: 100%; }
.pair-pic svg { display: block; max-width: 100%; height: auto; }
.pair-item form { margin-inline-start: auto; }
.pair-empty { margin-top: 0.75rem; }

.staff-add { border: 2px dashed var(--rule-strong); border-radius: var(--r-md); padding: 0.4rem 1rem; }
.staff-add > summary { display: flex; align-items: center; gap: 0.5rem; min-height: 2.6rem; font-weight: 700; }
.staff-add[open] > summary { margin-bottom: 0.75rem; }
.staff-add[open] { padding-bottom: 1rem; }
.side-picker { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 0.6rem; border: 0; padding: 0; margin: 0; }
.side-picker legend { font-weight: 600; margin-bottom: 0.3rem; padding: 0; }
.side-picker .role-option span { display: flex; align-items: center; justify-content: center; gap: 0.4rem; }

/* The per-slide / per-example picture: a select, one line of values, its preview. */
.visual-pick { display: grid; grid-template-columns: minmax(12rem, 1fr) 2fr; gap: 0.75rem 1rem; }
.visual-syntax { margin: 0.75rem 0 0; display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1rem; }
.visual-syntax dt { font-weight: 600; }
.visual-syntax dd { margin: 0; color: var(--ink-2); }
.syntax > summary { font-size: var(--t-sm); font-weight: 600; color: var(--ink-2); min-height: 2rem; display: flex; align-items: center; }
.visual-preview { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; padding: 0.6rem 0.9rem;
  border: 2px dashed var(--rule-strong); border-radius: var(--r-sm); background: var(--surface); }
.visual-preview svg { max-width: 100%; height: auto; }
.visual-problem { margin: 0; display: flex; align-items: center; gap: 0.4rem; padding: 0.5rem 0.9rem; border: 2px solid var(--bad); border-radius: var(--r-sm);
  background: var(--bad-soft); color: var(--bad); }

/* Step ٥: the worksheets tied to the concept. */
.sheet-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.sheet-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem 1rem; padding: 0.8rem 1rem; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-sm); }
.sheet-what { display: flex; align-items: center; gap: 0.6rem; flex: 1 1 14rem; min-width: 0; }
.sheet-what > .icon { width: 1.6rem; height: 1.6rem; color: var(--clay-strong); }
.sheet-what > span { display: flex; flex-direction: column; }
.sheet-row .row-actions { margin-inline-start: auto; }
.sheet-note { color: var(--ink-2); }

/* ── The landing: a line of stops, a nesting, and a column beside both ────── */
.recipe-map { display: grid; grid-template-columns: minmax(0, 1fr) 300px; grid-template-areas: "concepts diag" "curriculum diag"; gap: 1.25rem; align-items: stretch; }
.track-panel { display: flex; flex-direction: column; gap: 0.9rem; padding: clamp(1.25rem, 3vw, 2rem); background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-lg); }
#concepts { grid-area: concepts; }
#curriculum { grid-area: curriculum; }
.diag-column { grid-area: diag; }
.panel-eyebrow { display: flex; align-items: center; gap: 0.4rem; margin: 0; font-size: var(--t-sm); font-weight: 700; color: var(--clay-strong); }
.track-panel h2 { font-family: var(--font-display); font-size: var(--t-xl); color: var(--slate-deep); }
.panel-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; margin-top: auto; padding-top: 0.5rem; }

.step-path { list-style: none; margin: 0.5rem 0 0; padding: 0; position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.5rem; }
.step-path::before { content: ""; position: absolute; top: 0.95rem; inset-inline: 10%; height: 4px; background: var(--rule-strong); border-radius: 2px; }
.step-stop { position: relative; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; text-align: center; }
.step-stop .step-disc { width: 2rem; height: 2rem; font-size: 1.05rem; box-shadow: 0 0 0 4px var(--surface); }
.step-what { display: flex; flex-direction: column; gap: 0.2rem; }
.step-what strong { display: flex; align-items: center; justify-content: center; gap: 0.3rem; color: var(--slate-deep); line-height: 1.4; }
.step-what .icon { color: var(--clay-strong); }

.nest { list-style: none; margin: 0.5rem 0 0; padding: 0; display: grid; gap: 0.4rem; }
.nest-level { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 0.8rem; padding: 0.55rem 0.9rem; background: var(--paper);
  border: 1px solid var(--rule); border-inline-start: 5px solid var(--slate); border-radius: var(--r-sm); }
.nest-2 { margin-inline-start: 1rem; }
.nest-3 { margin-inline-start: 2rem; }
.nest-4 { margin-inline-start: 3rem; }
.nest-5 { margin-inline-start: 4rem; border-inline-start-color: var(--clay-strong); }
.kind-row { display: inline-flex; flex-wrap: wrap; gap: 0.35rem 0.6rem; margin: 0; }
.kind-mark { display: inline-flex; align-items: center; gap: 0.3rem; min-height: 1.9rem; padding: 0 0.7rem; white-space: nowrap;
  border: 1.5px solid var(--rule-strong); border-radius: var(--r-full); background: var(--surface); font-size: var(--t-sm); font-weight: 600; color: var(--slate-deep); }
.kind-count { color: var(--ink-2); font-weight: 500; }

.diag-column { display: flex; flex-direction: column; gap: 0.9rem; padding: clamp(1.25rem, 3vw, 1.75rem); background: var(--slate); color: #fff; border-radius: var(--r-lg); }
.diag-column .panel-eyebrow { color: var(--sand); }
.diag-column h2 { font-family: var(--font-display); font-size: var(--t-lg); }
.diag-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.diag-steps li { position: relative; display: flex; align-items: flex-start; gap: 0.7rem; padding: 0.75rem 0.9rem;
  background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.4); border-radius: var(--r-sm); }
.diag-steps li > .icon { flex: none; width: 1.6rem; height: 1.6rem; margin-top: 0.15rem; color: var(--sand); }
.diag-steps li > span { display: flex; flex-direction: column; gap: 0.1rem; }
.diag-steps li .small { color: var(--stone); }
.diag-steps li + li::before { content: ""; position: absolute; top: -0.7rem; inset-inline-start: 1.35rem; width: 0; height: 0;
  border: 0.45rem solid transparent; border-top: 0.55rem solid var(--sand); border-bottom: 0; }
.diag-column .btn-quiet { align-self: flex-start; color: #fff; border-color: #fff; }
.diag-column .btn-quiet:hover { background: #fff; color: var(--slate-deep); }
.diag-note { margin-top: auto; padding: 0.5rem 0.8rem; border: 1px dashed var(--stone); border-radius: var(--r-sm); color: var(--stone); }

/* ── The concepts index: the gap report, then a row per concept ───────────── */
.coverage { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.6rem; }
.cover-cell { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 0.35rem 0.6rem; padding: 0.8rem 0.9rem;
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md); }
.cover-cell.is-full { border: 2px solid var(--slate-deep); }
.cover-what { display: flex; flex-direction: column; min-width: 0; line-height: 1.5; }
.cover-what strong { display: flex; align-items: center; gap: 0.3rem; color: var(--slate-deep); }
.cover-what .icon { color: var(--clay-strong); }
.cover-cell .rate { grid-column: 1 / -1; margin-top: 0; border-color: var(--slate); }
.cover-cell .rate-fill { background: var(--slate); }
.cover-cell.is-empty .rate { border-style: dashed; }

.strip { display: inline-flex; align-items: center; gap: 0.25rem; }
.strip-pip { width: 1.7rem; height: 1.7rem; display: inline-grid; place-content: center; border-radius: 50%; line-height: 1;
  border: 2px dashed var(--rule-strong); background: transparent; color: var(--ink-2); font-size: 0.9rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.strip-pip.on { border: 2px solid var(--slate-deep); background: var(--slate-deep); color: #fff; }
.strip-count { margin-inline-start: 0.4rem; font-size: var(--t-sm); font-weight: 700; color: var(--slate-deep); white-space: nowrap; }

.concept-rows { border-top: 2px solid var(--slate-deep); }
.concept-domain { padding: 1.1rem 0.25rem 0.4rem; font-size: var(--t-md); color: var(--slate-deep); }
.concept-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.25rem; padding: 0.8rem 0.25rem; border-bottom: 1px solid var(--rule); }
.concept-name { flex: 1 1 14rem; min-width: 0; display: flex; flex-direction: column; }
.concept-name a { text-decoration: none; font-size: var(--t-md); }
.concept-name a:hover { color: var(--clay-strong); }
.concept-level { flex: none; }

/* ── The curriculum: topics as stages, lessons as cards ───────────────────── */
.pickers { display: grid; gap: 0.6rem; }
.topic-title { min-height: 2.5rem; display: flex; align-items: center; font-size: var(--t-md); color: var(--slate-deep); }
.lesson-cards { list-style: none; margin: 0.5rem 0 0; padding: 0; display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.lesson-card { display: flex; align-items: flex-start; gap: 0.75rem; padding: 1rem 1.1rem; background: var(--surface); border: 2px solid var(--rule-strong); border-radius: var(--r-md); }
.lesson-card-body { flex: 1; min-width: 0; display: grid; gap: 0.4rem; }
.lesson-card h3 { font-size: var(--t-md); line-height: 1.5; }
.lesson-card h3 a { text-decoration: none; }
.lesson-card h3 a:hover { color: var(--clay-strong); }
.lesson-card .order-moves { margin: 0; flex-direction: column; }
.topic-empty { padding: 0.4rem 0.25rem; }

/* ── The lesson page ──────────────────────────────────────────────────────── */
.lesson-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.lesson-aside { position: sticky; top: calc(var(--header-h) + 1.5rem); }
.owner-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1rem; padding: 0.8rem 1.25rem; background: var(--slate-soft); border-radius: var(--r-md); }
.owner-bar .row-actions { margin-inline-start: auto; align-items: center; }
.objective { display: grid; gap: 0.4rem; padding: 1rem 1.25rem; background: var(--clay-soft); border: 2px solid var(--clay); border-radius: var(--r-md); }
.objective h2 { display: flex; align-items: center; gap: 0.5rem; font-size: var(--t-base); color: var(--clay-strong); }
.objective p { font-size: var(--t-md); font-weight: 600; line-height: 1.7; }
.activity { padding-top: 1.25rem; border-top: 1px dashed var(--rule-strong); }
.activity:first-child { padding-top: 0; border-top: 0; }
.activity > * + * { margin-top: 0.9rem; }
.activity-title { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.8rem; font-size: var(--t-md); color: var(--slate-deep); }
.audience-tag { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0 0.7rem; white-space: nowrap;
  border: 2px solid var(--slate); border-radius: var(--r-full); font-size: var(--t-sm); font-weight: 700; color: var(--slate-deep); }
.steps-prose ol, .steps-prose ul { margin: 0; padding-inline-start: 1.7rem; }
.steps-prose li { padding-inline-start: 0.3rem; line-height: 1.75; }
.steps-prose li + li { margin-top: 0.45rem; }
.steps-prose li::marker { font-weight: 700; color: var(--clay-strong); }
.concept-cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.concept-card { display: flex; flex-direction: column; gap: 0.35rem; padding: 0.6rem 0.8rem; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-sm); }
.concept-card a { text-decoration: none; }
.concept-card a:hover { text-decoration: underline; }

/* The deck. Without JavaScript every slide is on the page and the numbers are
   anchors; static/js/slides.js shows one at a time with a visible counter. */
.deck-jumps { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.deck-jump { width: 2.2rem; height: 2.2rem; display: inline-grid; place-content: center; border: 2px solid var(--rule-strong); border-radius: 50%;
  background: var(--surface); color: var(--ink); font-weight: 700; text-decoration: none; cursor: pointer; font: inherit; font-weight: 700; }
.deck-jump:hover, .deck-jump.is-current { border-color: var(--slate-deep); background: var(--slate-deep); color: #fff; }
.slides { list-style: none; margin: 0.75rem 0 0; padding: 0; display: grid; gap: 0.75rem; }
.slide { padding: clamp(1rem, 3vw, 1.5rem); background: var(--paper); border: 2px solid var(--rule-strong); border-radius: var(--r-md);
  scroll-margin-top: calc(var(--header-h) + 1rem); }
.slide:target, .slide:focus-visible { outline: none; border-color: var(--clay-strong); box-shadow: var(--focus); }
.slide > * + * { margin-top: 0.7rem; }
.slide-no { display: flex; align-items: center; gap: 0.45rem; font-size: var(--t-sm); font-weight: 700; color: var(--ink-2); }
.slide-title { font-family: var(--font-display); font-size: var(--t-xl); line-height: 1.3; color: var(--slate-deep); }
.slide-pic svg { display: block; max-width: 100%; height: auto; }
.slide-text { max-width: var(--measure); font-size: var(--t-md); line-height: 1.8; white-space: pre-line; }
.deck-print-note { display: none; }
.deck-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.8rem; margin-top: 0.75rem; }
.deck-counter { min-width: 5rem; text-align: center; font-weight: 700; color: var(--slate-deep); }
.deck-controls .btn[disabled] { opacity: 0.45; cursor: default; }
.deck.is-deck .slides { gap: 0; }

/* ── The builder ──────────────────────────────────────────────────────────── */
.activity-rows { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.activity-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; padding: 0.7rem 0.9rem; background: var(--surface); border: 2px solid var(--rule-strong); border-radius: var(--r-sm); }
.activity-row .order-what p { margin: 0; }
.add-panel { padding: 0.4rem 1.25rem; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-md); }
.add-panel > summary { display: flex; align-items: center; gap: 0.6rem; min-height: 3rem; font-size: var(--t-md); font-weight: 700; color: var(--slate-deep); }
.add-panel > summary > .icon { width: 1.5rem; height: 1.5rem; color: var(--clay-strong); }
.add-panel[open] > summary { margin-bottom: 1rem; border-bottom: 2px solid var(--clay); }
.add-panel[open] { padding-bottom: 1.25rem; }
.slide-fields { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.slide-field { display: grid; gap: 0.6rem; padding: 0.9rem 1rem; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r-sm); }
.slide-field-no { display: flex; align-items: center; gap: 0.45rem; margin: 0; font-weight: 700; color: var(--slate-deep); }
.slide-more > details > summary { display: flex; align-items: center; min-height: 2.6rem; font-weight: 600; }
.slide-more > details[open] > summary { margin-bottom: 0.75rem; }
.term-picks { display: grid; gap: 0.6rem; border: 0; padding: 0; margin: 0; }
.term-picks legend { padding: 0; margin-bottom: 0.3rem; font-weight: 600; }
.term-picks .hint { font-size: var(--t-sm); color: var(--ink-2); }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 920px) {
  .term-layout-recipe { grid-template-areas: "stage" "aside" "main"; grid-template-rows: auto; }
  .recipe-map { grid-template-columns: minmax(0, 1fr); grid-template-areas: "concepts" "curriculum" "diag"; }
  .lesson-layout { grid-template-columns: minmax(0, 1fr); }
  .lesson-aside { position: static; }
  .coverage { grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); }
}
@media (max-width: 860px) {
  .tracks { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  /* The line of stops stands up: one thread down the side, a stop per row. */
  .step-path { grid-template-columns: minmax(0, 1fr); gap: 0.4rem; }
  .step-path::before { inset-inline: auto; inset-inline-start: calc(1rem - 2px); top: 1rem; bottom: 1rem; width: 4px; height: auto; }
  .step-stop { flex-direction: row; align-items: flex-start; text-align: start; }
  .step-what strong { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .nest-2 { margin-inline-start: 0.5rem; }
  .nest-3 { margin-inline-start: 1rem; }
  .nest-4 { margin-inline-start: 1.5rem; }
  .nest-5 { margin-inline-start: 2rem; }
  .visual-pick { grid-template-columns: minmax(0, 1fr); }
  .visual-syntax { grid-template-columns: minmax(0, 1fr); }
  .visual-syntax dd { margin-bottom: 0.4rem; }
  .side-picker { grid-template-columns: minmax(0, 1fr); }
}
@media print {
  .deck-jumps, .slides, .deck-note, .deck-controls { display: none !important; }
  .deck-print-note { display: block; font-weight: 700; }
}