/* BlooglyBlob guide: one shared, self-hosted editorial system. */
@font-face {
  font-family: "Bricolage Grotesque";
  src: url("assets/fonts/BricolageGrotesque-Bold.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: Inter;
  src: url("assets/fonts/InterVariable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #faf8f1;
  --surface: #fffefa;
  --pale: #f0eee5;
  --ink: #292747;
  --nav: #292747;
  --blue: #46417d;
  --muted: #62616b;
  --line: #d9d5c9;
  --control: #8a8490;
  --copper: #855037;
  --sage: #365e48;
  --sage-pale: #eaf0e6;
  --teal: #365e48;
  --warn: #754913;
  --yellow: #fbefd6;
  --danger: #8f1d14;
  --danger-pale: #fbe7e3;
  --violet-pale: #eceaf4;
  --focus: #6541a2;
  --display: "Bricolage Grotesque", "Arial Rounded MT Bold", sans-serif;
  --reading: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --header-height: 88px;
  --sidebar-width: 274px;
  --radius: 12px;
}

/* Reading, controls and keyboard access. */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.7 var(--reading); }
a { color: var(--blue); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
button, input, select { font: inherit; }
button, a, input, select, summary { touch-action: manipulation; }
button, .button {
  display: inline-block; padding: 10px 17px; border: 1px solid var(--control);
  border-radius: 7px; background: var(--surface); color: var(--ink);
  font-size: 15px; font-weight: 650; line-height: 1.5; cursor: pointer;
}
.button { text-decoration: none; }
button:hover, .button:hover { border-color: var(--blue); background: var(--violet-pale); }
.primary, .standalone .downloads .button:not(.secondary) { background: var(--blue); border-color: var(--blue); color: #fff; }
.primary:hover, .standalone .downloads .button:not(.secondary):hover { background: var(--ink); border-color: var(--ink); }
:where(button, a, input, select, summary, [tabindex]):focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
h1[tabindex="-1"]:focus { outline: none; }
.skip { position: fixed; top: -100px; left: 16px; background: var(--surface); padding: 12px 18px; z-index: 100; }
.skip:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
h1, h2, h3, .brand b, .build-path b, .stats strong { font-family: var(--display); font-weight: 700; }
h1 { font-size: clamp(34px, 3.5vw, 52px); line-height: 1.08; letter-spacing: -.035em; margin: 0 0 22px; max-width: 24ch; }
h2 { font-size: 28px; line-height: 1.25; letter-spacing: -.025em; margin: 40px 0 16px; }
h3 { font-size: 21px; line-height: 1.35; letter-spacing: -.015em; }
p { margin: 12px 0 20px; }
code, pre, .part-id, .step-number, nav .num, .image-key b, .gather-amount, .parts, .references-page td:first-child {
  font-family: var(--mono); font-weight: 400; font-variant-numeric: tabular-nums;
}
code { font-size: .88em; overflow-wrap: anywhere; }
img { max-width: 100%; }
.eyebrow { color: var(--copper); font-size: 12px; line-height: 1.6; font-weight: 700; text-transform: uppercase; letter-spacing: .13em; margin: 0 0 14px; }
.lede, .lead { font-size: 19px; line-height: 1.75; color: var(--muted); max-width: 65ch; }
.fine, .status { font-size: 13px; line-height: 1.65; color: var(--muted); }
.fine, .print-package, .source-state { overflow-wrap: anywhere; }

/* Character-led masthead and persistent build progress. */
header {
  height: var(--header-height); display: flex; align-items: center; justify-content: space-between;
  gap: 18px; padding: 0 32px; position: sticky; top: 0; z-index: 20;
  background: radial-gradient(ellipse at 60px 50%, #eceaf480, transparent 380px), var(--surface);
  border-bottom: 1px solid var(--line); box-shadow: 0 3px 16px #29274706;
}
header::after { content: ""; position: absolute; inset: auto 0 -1px; height: 2px; pointer-events: none; background: linear-gradient(90deg, #bd8869 0%, #dcc18e 25%, #92bda8 50%, #9abed5 75%, #aaa0cf 100%); }
.brand { display: inline-flex; gap: 14px; align-items: center; flex-shrink: 0; color: var(--ink); text-decoration: none; line-height: 1; border-radius: 8px; }
.brand-avatar { position: relative; display: block; width: 48px; height: 68px; flex-shrink: 0; }
.brand-mark { display: block; width: 100%; height: 100%; }
.brand-lights { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: 0; filter: drop-shadow(0 0 3px #7edcf5); transition: opacity .2s ease; }
.brand b { font-size: 36px; letter-spacing: -.055em; white-space: nowrap; }
.brand b span { color: var(--copper); }
.brand:is(:hover, :focus-visible) .brand-lights { opacity: 1; animation: brand-led-pulse 1.8s ease-in-out infinite; }
@keyframes brand-led-pulse { 0%, 100% { opacity: .4; } 50% { opacity: 1; } }
header button { min-height: 44px; border-color: var(--line); background: var(--surface); border-radius: 12px; }
.header-right { display: flex; align-items: center; gap: 20px; }
.header-right a { font-size: 14px; }
.header-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.header-link { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 44px; min-height: 44px; padding: 8px 10px; border-radius: 12px; color: var(--ink); font-size: 14px; font-weight: 650; text-decoration: none; }
.github-link img { width: 22px; height: 22px; }
.header-link.studio-link { padding: 9px; }
.studio-link img { width: 26px; height: 26px; border-radius: 6px; opacity: .82; filter: grayscale(1); }
.studio-link:is(:hover, :focus-visible) img { opacity: 1; filter: grayscale(0); }
.header-link:hover { background: var(--violet-pale); }
.iconbutton { display: none; }
aside {
  width: var(--sidebar-width); position: fixed; top: var(--header-height); bottom: 0; overflow-y: auto;
  padding: 28px 18px; border-right: 1px solid var(--line); background: var(--pale);
}
.progress-label { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; }
#progress-count { font-family: var(--mono); font-weight: 400; white-space: nowrap; }
progress { display: block; appearance: none; width: 100%; height: 6px; border: 0; border-radius: 3px; overflow: hidden; accent-color: var(--sage); background: var(--line); margin: 12px 0 25px; }
progress::-webkit-progress-bar { background: var(--line); }
progress::-webkit-progress-value { background: var(--sage); border-radius: 3px; }
progress::-moz-progress-bar { background: var(--sage); }
nav a { display: block; padding: 9px 10px; margin: 3px 0; border-radius: 6px; text-decoration: none; color: var(--ink); font-size: 13px; line-height: 1.5; }
nav a:hover { background: #e5e1d5; }
nav a.active, nav a.active:hover { background: var(--blue); color: #fff; box-shadow: inset 3px 0 #d0a083; }
nav h3 { font-family: var(--reading); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--copper); margin: 24px 10px 8px; }
nav .num { display: inline-block; width: 29px; color: var(--muted); font-size: 12px; }
nav .active .num { color: #fff; }
nav .done::after { content: '✓'; float: right; font-weight: 700; }
#step-nav { padding-top: 4px; }
.side-note { font-size: 12px; line-height: 1.7; color: var(--muted); margin: 28px 10px; }
main { margin-left: var(--sidebar-width); max-width: 1600px; padding: 46px 48px 72px; min-height: calc(100vh - 155px); }
main > *, #page > *{ min-width: 0; }
#page > p, #page > ul { max-width: 75ch; }
footer { margin-left: var(--sidebar-width); padding: 24px 48px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); background: var(--pale); }
footer .font-credits { margin-top: 7px; font-size: 11px; }
.studio-credit { display: flex; width: fit-content; align-items: center; justify-content: center; gap: 7px; margin: 24px auto 0; color: var(--muted); font-size: 13px; text-decoration: none; }
.studio-credit b { font-weight: 600; }
.studio-credit svg { flex-shrink: 0; }
.studio-credit:hover { color: var(--copper); }
footer { padding-block: 28px; }
.footer-top { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; }
.footer-name { color: var(--ink); font: 700 20px/1.2 var(--display); letter-spacing: -.04em; text-decoration: none; }
.footer-links { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: flex-end; gap: 12px 24px; font-size: 12px; }
.footer-links > a, .footer-credits > summary { color: var(--muted); text-decoration: none; }
.footer-links > a:hover, .footer-credits > summary:hover { color: var(--copper); }
.footer-credits { margin: 0; padding: 0; border: 0; background: transparent; }
.footer-credits > summary { cursor: pointer; padding: 0; font-weight: 400; }
.footer-credits > div { max-width: 34ch; padding-top: 8px; font-size: 11px; }
.footer-credits p { margin: 8px 0; }
.footer-note { margin: 0 0 20px; }
footer .studio-credit { margin-top: 28px; font-size: 12px; }
@media (max-width: 600px) {
  .footer-top { flex-direction: column; align-items: center; gap: 14px; }
  .footer-links { justify-content: center; }
  .footer-credits > div { text-align: left; }
}

/* Opening page, build path and reader references. */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; margin-bottom: 42px; }
.intro-grid h1 { font-size: clamp(42px, 4.6vw, 68px); max-width: 13ch; }
.intro-grid img { width: 100%; }
.intro-grid .diagram { background: var(--pale); border-radius: 24px 24px 10px 10px; }
.intro-grid .diagram figcaption { border-top: 3px solid var(--copper); }
.character-intro { --hero-scale: 1.28; }
.character-intro .intro-grid { gap: 44px; margin-bottom: 64px; }
.character-intro .intro-grid h1 { letter-spacing: -.05em; }
.intro-copy { max-width: 42ch; color: var(--muted); }
.character-intro .intro-grid .diagram { background: #f1f7fa; border-radius: 28px; overflow: hidden; }
.character-intro .intro-grid .diagram > button { overflow: hidden; }
/* Trim the capture's transparent margins without cropping the robot. */
.character-intro .intro-grid .diagram img { max-height: 520px; object-fit: contain; transform: scale(var(--hero-scale)); }
.character-intro .intro-grid .diagram figcaption { border-top: 0; padding: 10px 20px; background: transparent; }
.character-intro [data-hero] > button { position: relative; }
.hero-motion { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; transform: scale(var(--hero-scale)); pointer-events: none; visibility: hidden; }
.hero-motion-ready .hero-motion { visibility: visible; }
.hero-motion-ready > button > img { opacity: 0; }
.character-intro [data-hero] figcaption { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.character-intro [data-hero-pause] { width: auto; background: transparent; color: var(--blue); border: 1px solid var(--line); border-radius: 7px; padding: 5px 8px; font: inherit; font-size: 12px; cursor: pointer; }
[data-hero-pause][hidden] { display: none; }
.character-intro [data-hero-pause]:focus-visible { outline: 3px solid var(--copper); outline-offset: 3px; }
@media print {
 .hero-motion, .character-intro [data-hero-pause] { display: none; }
 .hero-motion-ready > button > img { opacity: 1; }
}
.character-demo > h2, .character-capabilities > h2, .character-build > h2 { margin-top: 0; font-size: clamp(28px, 3vw, 38px); letter-spacing: -.035em; }
.character-features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 32px; }
.character-features section { border-top: 1px solid var(--line); padding-top: 24px; }
.character-features svg { width: 42px; height: 42px; padding: 8px; border-radius: 12px; background: var(--violet-pale); color: var(--blue); }
.character-features section:nth-child(3n + 2) svg { color: var(--copper); background: #f4e8de; }
.character-features section:nth-child(3n) svg { color: var(--sage); background: var(--sage-pale); }
.character-features h3 { font-size: 21px; line-height: 1.25; margin: 16px 0 10px; }
.character-features p { color: var(--muted); font-size: 16px; line-height: 1.65; margin: 0; }
.character-prompts { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 36px; padding: 22px 0; border-block: 1px solid var(--line); }
.character-prompts span { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--copper); font-weight: 650; }
.character-prompts q { font-size: 15px; color: var(--ink); }
.character-build { margin-top: 64px; }
.character-build > p { max-width: 72ch; }
@media (max-width: 1200px) { .character-features { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 801px) { .character-intro .intro-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); } }
@media (max-width: 600px) {
  .character-intro .intro-grid { gap: 24px; margin-bottom: 42px; }
  .character-intro .intro-grid .diagram img { max-height: 380px; }
  .character-features { grid-template-columns: 1fr; gap: 24px; }
  .character-features section { display: grid; grid-template-columns: 42px 1fr; column-gap: 14px; align-items: center; }
  .character-features h3 { margin: 0; }
  .character-features p { grid-column: 2; margin-top: 8px; }
  .character-build { margin-top: 42px; }
}
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.stats { display: flex; flex-wrap: wrap; gap: 30px; margin: 30px 0 0; padding-top: 22px; border-top: 1px solid var(--line); }
.stats strong { display: block; font-size: 34px; line-height: 1.2; color: var(--blue); }
.stats span { font-size: 12px; color: var(--muted); }
.build-path, .downloads { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.build-path { margin: 26px 0 42px; }
.build-path a, .download-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: var(--surface); color: var(--ink); }
.build-path a { text-decoration: none; border-top: 3px solid var(--copper); }
.build-path a:hover { border-color: var(--blue); background: var(--violet-pale); }
.build-path span { display: block; font-family: var(--mono); font-size: 11px; color: var(--copper); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 16px; }
.build-path b { display: block; font-size: 25px; line-height: 1.2; }
.build-path p, .download-card p { font-size: 14px; line-height: 1.7; color: var(--muted); margin: 12px 0 0; }
.download-card b { display: block; margin-bottom: 10px; }
.reader-list { padding-left: 25px; max-width: 75ch; }
.reader-list li { padding: 7px 0 7px 5px; }
.readiness-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 24px; }
.readiness-grid section { background: var(--pale); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.readiness-grid h2 { margin-top: 0; }
.glossary { max-width: 80ch; }
.glossary dt, dt { font-weight: 700; margin-top: 14px; }
.glossary dd, dd { margin: 3px 0 0; color: var(--muted); }
.page-nav { margin: 10px 0 24px; }

/* Step headers, action numbers, prerequisites and checkpoints. */
.step-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 22px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.step-head > div { min-width: 0; }
.step-number { font-size: 68px; line-height: 1; color: var(--copper); letter-spacing: -.07em; flex-shrink: 0; }
.instructions { counter-reset: action; list-style: none; padding: 0; margin: 0; max-width: 940px; }
.instructions li { counter-increment: action; position: relative; padding: 16px 0 18px 46px; border-bottom: 1px solid var(--line); }
.instructions li::before { content: counter(action, decimal-leading-zero); position: absolute; left: 0; top: 19px; font-family: var(--mono); font-size: 13px; font-weight: 400; line-height: 26px; color: var(--copper); }
.notice, .check { padding: 18px 22px; margin: 24px 0; border-left: 4px solid var(--warn); border-radius: 0 9px 9px 0; font-size: 15px; line-height: 1.75; }
.notice { color: var(--warn); background: var(--yellow); max-width: 100ch; }
.notice p { margin: 0; }
.info { background: var(--violet-pale); color: var(--ink); border-left-color: var(--blue); }
.check { background: var(--sage-pale); color: var(--sage); border-left-color: var(--sage); max-width: 75ch; }
.check strong { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 6px; }
.step-note { margin: 20px 0 0; max-width: none; }
/* Safety messages (INSTRUCTION-DESIGN.md "Safety messages"): the level label carries the
   meaning, so it reads the same without color or background in print. */
.safety { margin: 0 0 16px; padding: 12px 16px; border: 1px solid; border-left-width: 6px; border-radius: 0 9px 9px 0; font-size: 15px; line-height: 1.6; max-width: 75ch; overflow-wrap: anywhere; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.safety-label { display: block; font-size: 12px; font-weight: 800; letter-spacing: .12em; margin-bottom: 2px; }
.safety-text { display: block; }
.safety-warning { color: var(--danger); background: var(--danger-pale); border-color: var(--danger); }
.safety-caution { color: var(--warn); background: var(--yellow); border-color: var(--warn); }
.safety-notice { color: var(--ink); background: var(--violet-pale); border-color: var(--blue); }
.safety a { color: inherit; }
.step-safety { margin: 0 0 20px; }
.gather { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; background: var(--pale); border-radius: 8px; padding: 18px; }
.gather section { min-width: 0; }
.gather h2 { font-size: 20px; margin: 0 0 12px; }
.gather ul { padding: 0; margin: 0; list-style: none; }
.gather li { display: flex; align-items: center; gap: 9px; justify-content: space-between; min-width: 0; border-top: 1px solid var(--line); padding: 9px 0; font-size: 13px; }
.gather li > span:last-child { white-space: nowrap; font-weight: 600; }
.gather li a { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; text-decoration: none; }
.gather small { display: block; line-height: 1.5; font-size: 12px; color: var(--muted); }
.gather-name { min-width: 0; overflow-wrap: anywhere; }
.gather .thumb { width: 52px; height: 39px; flex: none; object-fit: contain; background: var(--surface); border: 1px solid var(--line); border-radius: 5px; }
.gather-amount { color: var(--ink); }
.bench-list { margin: 0 0 28px; background: var(--surface); padding: 16px 20px; }
.bench-list summary { font-size: 16px; }
.bench-count { font-weight: 400; color: var(--muted); font-size: 13px; margin-left: 6px; }
.bench-list .gather { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 26px; margin-top: 14px; }
.bench-list .gather ul { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); column-gap: 22px; }
.bench-list.single .gather { grid-template-columns: 1fr; }
@media (min-width: 1151px) { .bench-list.triple .gather { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); } }
.bench-list > .fine { margin: 12px 2px 0; }
.step-links { margin: 30px 0 24px; }
.step-end { display: flex; gap: 20px; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); padding-top: 24px; flex-wrap: wrap; }
.complete { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 650; }
.complete input, .stock input { width: 22px; height: 22px; accent-color: var(--sage); flex-shrink: 0; }
.next-step small { display: block; font-size: 12px; font-weight: 400; letter-spacing: .04em; }
.build-complete { margin-top: 28px; }
.command-block { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--violet-pale); border-left: 3px solid var(--blue); padding: 18px 22px; font-size: 14px; line-height: 1.85; }

/* Technical figures and supplementary detail cards. */
.diagram { margin: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--pale); }
.diagram button, .product-photo-button, .part-reference { display: block; width: 100%; padding: 0; border: 0; border-radius: 0; background: transparent; cursor: zoom-in; }
.diagram button:focus-visible, .product-photo-button:focus-visible, .part-reference:focus-visible { outline-offset: -4px; }
.diagram img { display: block; width: 100%; height: auto; }
.diagram figcaption { padding: 14px 18px; font-size: 13px; line-height: 1.7; color: var(--muted); background: var(--surface); }
.diagram-caption { margin: 0 0 4px; }
.diagram .enlarge-label { display: block; width: auto; color: var(--blue); font-size: 13px; font-weight: 650; padding: 0 0 7px; cursor: zoom-in; text-decoration: underline; }
.details .diagram { margin: 18px 0; max-width: 1000px; }
.details > .diagram { max-width: 850px; }
#page > .diagram { max-width: 820px; }
.color-views { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.color-views .diagram { min-width: 0; margin: 0; }
.color-views .diagram img { max-height: 620px; object-fit: contain; }
.print-orientation { max-width: 1000px; margin: 24px 0; }
.print-orientation img { max-height: none; object-fit: contain; }
.print-orientation h3 { margin-bottom: 12px; }

/* Parts, shopping checklist and plate cards. */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; position: sticky; top: var(--header-height); background: var(--paper); padding: 16px 0; z-index: 5; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.toolbar input { flex: 1; min-width: 180px; padding: 12px 14px; }
.toolbar input, .toolbar select { border: 1px solid var(--control); border-radius: 7px; color: var(--ink); background: var(--surface); font-size: 15px; }
.toolbar input::placeholder { color: var(--muted); opacity: 1; }
.toolbar select { max-width: 100%; padding: 11px; }
.parts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); gap: 24px; }
.part-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; scroll-margin-top: 180px; background: var(--surface); }
.part-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: var(--pale); }
.part-card .no-image { height: 150px; background: var(--pale); display: flex; align-items: center; justify-content: center; color: var(--muted); font: 40px var(--mono); }
.part-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.part-body h2 { font-size: 25px; line-height: 1.25; margin: 7px 0 14px; }
.part-body p { font-size: 14px; line-height: 1.75; margin: 7px 0 16px; }
.part-id { font-size: 12px; color: var(--copper); letter-spacing: .04em; }
.stock { display: flex; gap: 10px; align-items: center; font-size: 14px; border-top: 1px solid var(--line); padding-top: 16px; margin-top: auto; min-height: 49px; }
.badge { align-self: flex-start; display: inline-block; background: var(--violet-pale); color: var(--blue); border-radius: 4px; padding: 4px 9px; margin: 2px 0; font-size: 12px; font-weight: 650; }
.source-state { font-size: 12px; color: var(--copper); }
.product-photo { margin: 0; background: #fff; border-bottom: 1px solid var(--line); }
.part-card .product-photo img { display: block; width: 100%; height: 240px; object-fit: contain; padding: 20px; background: #fff; }
.product-photo figcaption { padding: 14px 22px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.product-photo figcaption p { margin: 6px 0 9px; }
.product-photo figcaption b { color: var(--ink); }
.product-photo figcaption a { font-size: 12px; }
.technical-reference { margin: 16px 0; font-size: 14px; background: var(--pale); }
.technical-reference img { object-fit: contain; }
.part-body details summary { font-size: 14px; }
.print-package { max-width: 1000px; border-bottom: 1px solid var(--line); padding-bottom: 28px; margin-bottom: 28px; }
.print-package > .diagram { max-width: 640px; }
.print-package img { max-width: 100%; max-height: 380px; object-fit: contain; background: var(--pale); }

/* Editorial tables, disclosures and enlarged drawings. */
.table-wrap, .table { overflow: auto; border: 1px solid var(--line); border-radius: 8px; margin: 20px 0; max-width: 100%; min-width: 0; }
table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.7; }
th, td { padding: 15px 17px; vertical-align: top; text-align: left; border-bottom: 1px solid var(--line); }
th { background: var(--ink); color: #fff; font-size: 12px; font-weight: 650; }
tr:last-child td { border-bottom: 0; }
tr:nth-child(even) td { background: var(--pale); }
.table-wrap a { white-space: normal; }
.net-diagram { overflow: auto; background: var(--pale); padding: 22px; border-radius: 8px; max-width: 100%; min-width: 0; }
.net-diagram pre { font: 14px/1.8 var(--mono); white-space: pre; }
details { border: 1px solid var(--line); border-radius: 8px; padding: 16px 20px; margin: 14px 0; }
summary { cursor: pointer; font-weight: 650; line-height: 1.6; }
.sources { background: var(--pale); margin: 22px 0; font-size: 13px; color: var(--muted); line-height: 1.8; }
.sources summary { font-size: 14px; }
.sources a { margin: 8px 12px 0 0; display: inline-block; overflow-wrap: anywhere; }
.empty { padding: 35px; background: var(--pale); border-radius: 8px; }
dialog { padding: 0; border: 1px solid var(--line); border-radius: var(--radius); width: min(1500px, 95vw); max-width: 95vw; background: var(--surface); color: var(--ink); max-height: 95vh; overflow: auto; touch-action: pan-x pan-y pinch-zoom; }
dialog::backdrop { background: #211f38e8; }
dialog img { display: block; width: 100%; min-width: 0; height: auto; max-height: calc(95vh - 120px); object-fit: contain; }
dialog p { padding: 0 20px; font-size: 13px; }
.zoom-tools { position: sticky; top: 0; left: 0; display: flex; gap: 12px; background: var(--surface); border-bottom: 1px solid var(--line); padding: 12px; z-index: 3; width: 100%; }
dialog img.detail-size { width: 1200px; min-width: 1200px; max-width: none; }
dialog.large img { max-height: none; }
dialog.large .zoom-hint { display: none; }

/* Standalone references and repeat-build pages use the same vocabulary. */
.standalone header { padding-inline: max(24px, calc((100% - 1120px) / 2)); }
.standalone main { max-width: 1168px; margin: 0 auto; padding: 44px 24px 72px; }
.standalone main > p { max-width: 75ch; }
.standalone footer { margin: 44px 0 0; padding: 24px 0 0; background: transparent; }
.standalone .downloads { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0; }
.standalone figure { margin: 28px 0; }
.standalone figcaption { font-size: 13px; color: var(--muted); margin-top: 12px; }
.standalone dl { font-size: 14px; }
.schedule { list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.plate { background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--accent, var(--copper)); border-radius: var(--radius); padding: 22px; min-width: 0; }
.plate h3 { margin: 0 0 14px; font-size: 27px; }
.plate img { display: block; width: 100%; height: auto; border-radius: 6px; }
.plate p { font-size: 15px; margin-bottom: 0; }
.plate .status { font-size: 13px; }
.plate .parts { font-size: 12px; line-height: 2.1; }
.plate details { padding: 14px; margin-top: 20px; }
.plate details p { font-size: 14px; }
.references-page small { display: block; color: var(--muted); font-size: 12px; }
.references-page td:nth-child(2) { min-width: 220px; }
.references-page td:nth-child(4) { min-width: 230px; }
.settings-table { min-width: 700px; }
.font-attribution { margin-top: 40px; }

/* One responsive progression, with no palette overrides. */
@media (min-width: 1600px) { .parts-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 1150px) {
  main { padding: 34px 28px 64px; }
 .intro-grid, .readiness-grid { grid-template-columns: 1fr; }
  .intro-grid h1 { max-width: 20ch; }
  .intro-grid .diagram { max-width: 600px; }
  .intro-grid .diagram img { max-height: 430px; object-fit: contain; }
  .downloads { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .build-path { gap: 12px; }
  .build-path a { padding: 16px; }
  .build-path b { font-size: 22px; }
}
@media (max-width: 1050px) {
  .iconbutton { display: block; }
  body:not(.standalone) header { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; }
  body:not(.standalone) header .brand { grid-column: 2; justify-self: center; }
  .header-link { padding: 8px; }
  aside { display: none; width: min(310px, 90vw); z-index: 18; box-shadow: 10px 0 28px #29274724; }
  body.menu-open aside { display: block; }
  main, footer { margin-left: 0; }
}
@media (max-width: 800px) {
  :root { --header-height: 76px; }
  header { padding: 0 16px; gap: 12px; }
  .brand { gap: 10px; }
  .brand-avatar { width: 38px; height: 54px; }
  .brand b { font-size: 28px; }
  .iconbutton { display: block; padding: 7px 10px; }
  .header-right { gap: 8px; }
  .header-right a { display: none; }
  .header-right button { font-size: 13px; padding: 8px 10px; }
  aside { display: none; width: min(310px, 90vw); z-index: 18; box-shadow: 10px 0 28px #29274724; }
  body.menu-open aside { display: block; }
  main { margin: 0; padding: 32px 20px 56px; min-height: 80vh; }
  footer { margin: 0; padding: 22px 20px; }
  .intro-grid { gap: 26px; }
  .intro-grid h1 { font-size: 46px; }
  .intro-grid .diagram img { max-height: 380px; }
  .lede, .lead { font-size: 18px; }
  .build-path, .downloads, .parts-grid, .color-views { grid-template-columns: 1fr; }
  .build-path a { padding: 19px 21px; }
  .build-path span { margin-bottom: 8px; }
  .build-path b { font-size: 25px; }
  .build-path p { margin-top: 7px; }
  .step-head { gap: 14px; }
  .step-head h1 { font-size: 35px; }
  .step-number { font-size: 44px; }
  .instructions li { padding-left: 40px; }
  .diagram figcaption { font-size: 13px; padding: 12px 14px; }
  .bench-list { padding: 13px 15px; }
  .bench-list .gather, .gather { grid-template-columns: 1fr; padding: 14px; gap: 20px; }
  .bench-list .gather ul { grid-template-columns: 1fr; }
  .step-end { gap: 16px; }
  .step-end .actions { margin: 0; }
  .part-body { padding: 20px; }
  .readiness-grid section { padding: 20px; }
  .stats { gap: 26px; }
}
@media (max-width: 680px) {
  .schedule { grid-template-columns: 1fr; }
  .standalone main { padding: 30px 20px 48px; }
  .standalone header { padding-inline: 20px; }
  .standalone header .brand { display: none; }
  .plate { padding: 20px; }
}
@media (max-width: 600px) {
  .table-wrap.cards { border: 0; overflow: visible; }
  .table-wrap.cards table, .table-wrap.cards tbody, .table-wrap.cards tr, .table-wrap.cards td { display: block; width: 100%; }
  .table-wrap.cards thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .table-wrap.cards tr { border: 1px solid var(--line); border-radius: 8px; margin: 0 0 12px; background: var(--surface); padding: 7px 0; }
  .table-wrap.cards td { border: 0; padding: 6px 14px; background: none; }
  .table-wrap.cards td::before { content: attr(data-label); display: block; font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
  .table-wrap.cards td:first-child { font-weight: 700; }
  dialog img { max-height: none; }
}
@media (max-width: 430px) {
  header { gap: 8px; padding-inline: 12px; }
  body:not(.standalone) header { grid-template-columns: 36px minmax(0, 1fr) auto; }
  .brand b { font-size: 22px; }
  .brand { gap: 6px; }
  .brand-avatar { width: 30px; height: 43px; }
  .toolbar { position: static; }
  .toolbar input { width: 100%; flex-basis: 100%; }
  .toolbar select { width: 100%; }
  .part-card img { max-height: 260px; }
  .intro-grid h1 { font-size: 42px; }
  .step-head h1 { font-size: 31px; }
  .step-number { font-size: 38px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Printing keeps instructions and labels, and removes interactive chrome. */
@media print {
  @page { margin: 14mm; }
  header, aside, footer, .step-end, .actions, .toolbar, .stock, dialog,
  .no-print, .skip, .page-nav, .zoom-hint, .enlarge-label, .build-path, .sources { display: none !important; }
  body { background: #fff; font-size: 11pt; line-height: 1.55; }
  main, .standalone main { margin: 0; padding: 0; max-width: none; min-height: 0; }
  h1, .intro-grid h1 { font-size: 26pt; }
  h2 { font-size: 18pt; }
  h3 { font-size: 14pt; }
  h2, h3 { break-after: avoid; }
  a { color: var(--ink); }
  .button { background: #fff !important; color: var(--ink) !important; border-color: var(--line); }
  .lede, .lead { font-size: 12pt; }
 .intro-grid, .readiness-grid{ display: block; }
  .diagram { break-inside: avoid; max-width: 145mm; margin: auto; }
  .diagram figcaption { font-size: 9pt; }
  .instructions li { font-size: 11pt; break-inside: avoid; padding-top: 8px; padding-bottom: 8px; }
  .instructions li::before { top: 8px; }
  .bench-list { padding: 0; border: 0; }
  .bench-list[open] summary { display: none; }
  .bench-list .gather, .gather { display: grid; grid-template-columns: 1fr 1fr; margin: 12px 0; padding: 10px; background: none; }
  .bench-list .gather ul { display: block; }
  .parts-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .part-card, .plate, .check, .notice, .safety, tr { break-inside: avoid; }
  .safety { font-size: 10pt; }
  .part-body h2 { font-size: 16pt; }
  .part-body p, .notice, .check { font-size: 10pt; }
  .part-card .product-photo img { height: 140px; }
  .table-wrap, .table { overflow: visible; }
  table { font-size: 9pt; }
  th, td { padding: 8px; }
  th { background: #fff; color: var(--ink); border-bottom: 2px solid var(--ink); }
  thead { display: table-header-group; }
  .settings-table { min-width: 0; font-size: 8pt; }
  .references-page td:nth-child(2), .references-page td:nth-child(4) { min-width: 0; }
  .references-page td { overflow-wrap: anywhere; }
  .full-print { break-before: page; }
}

/* Keep the operation and its drawing together without enlarging small artwork. */
.action-sequence { margin: 18px 0; container-type: inline-size; }
.action-panel { padding: 20px 0 24px; border-bottom: 1px solid var(--line); }
.action-panel-heading { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.action-panel-heading > span { font: 600 14px var(--mono); color: var(--copper); }
.action-panel-heading h2 { margin: 0; font-size: clamp(21px, 2vw, 25px); }
.action-panel-body { display: grid; grid-template-columns: minmax(250px, 360px) minmax(0, 1fr); gap: 24px; align-items: start; }
:is(.action-panel, .harness-overview) .diagram { margin: 0; width: 100%; min-width: 0; background: #f3f7fa; }
:is(.action-panel, .harness-overview) .diagram img { width: 100%; height: auto; max-height: 440px; object-fit: contain; }
/* Wiring labels are functional content: preserve extra height for dense circuits. */
.action-panel-circuit .diagram img { max-height: 640px; }
:is(.action-panel, .harness-overview) .diagram figcaption { padding: 6px 12px; }
:is(.action-panel, .harness-overview) .diagram .enlarge-label { padding: 4px 0; min-height: 32px; }
.action-copy { max-width: 58ch; min-width: 0; overflow-wrap: anywhere; }
.action-copy .instructions { margin: 0; }
.action-copy .instructions li { padding: 0 0 10px; margin: 0 0 10px; }
.action-copy .instructions li:last-child { border: 0; margin-bottom: 0; padding-bottom: 0; }
.action-copy .instructions li::before { display: none; }
.action-panel-command .action-panel-body { display: block; }
.action-panel-command .action-copy { max-width: 72ch; }
/* Before you start: tools in two columns where they fit; each chapter's step range follows its name, or sits under it on narrow screens. */
#start-tools { columns: 2 280px; column-gap: 32px; }
#start-tools li { break-inside: avoid; }
.chapter-steps { margin-left: 10px; color: var(--muted); font-size: 13px; white-space: nowrap; }
@media (max-width: 800px) { .chapter-steps { display: block; margin-left: 0; } }
@container (max-width: 650px) { .action-panel-body { grid-template-columns: 1fr; gap: 14px; } :is(.action-panel, .harness-overview) .diagram { max-width: 360px; justify-self: center; } }
@media (max-width: 600px) {
  .action-panel { padding-block: 16px 20px; }
  .action-panel-heading { gap: 10px; margin-bottom: 12px; }
  .action-panel-body { grid-template-columns: 1fr; gap: 14px; }
  :is(.action-panel, .harness-overview) .diagram { max-width: 360px; justify-self: center; }
  :is(.action-panel, .harness-overview) .diagram img { max-height: 400px; }
  .action-panel-circuit .diagram img { max-height: 640px; }
}
@media print {
  .action-sequence { container-type: normal; }
  .action-panel-body { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 6mm; }
  .action-panel-heading { break-after: avoid; }
  .action-copy { max-width: none; }
  :is(.action-panel, .harness-overview) .diagram { max-width: 100%; }
  :is(.action-panel, .harness-overview) .diagram img, .action-panel-circuit .diagram img { max-height: 140mm; }
  /* The enlarge link is hidden in print; keep the caption under its picture. */
  :is(.action-panel, .harness-overview) .diagram figcaption:not(:has(.diagram-caption)) { display: none; }
}

/* Reference diagrams remain legible at their natural aspect ratio. */
.circuit-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; align-items: start; }
.circuit-grid .diagram { min-width: 0; margin: 0; }
@media (max-width: 800px) { .circuit-grid { grid-template-columns: 1fr; } }

/* Download affordance follows the actual native download behavior. */
a[download]::before { content: ""; display: inline-block; width: 1.15em; height: 1.15em; margin-right: .4em; vertical-align: -.18em; background: currentColor; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3v12m-5-5 5 5 5-5M4 16v5h16v-5'/%3E%3C/g%3E%3C/svg%3E") center / contain no-repeat; }
.plate-settings { margin-block: 24px; scroll-margin-top: 100px; }
.plate-settings > summary { font-weight: 700; }
.plate-settings-content { padding-top: 20px; }
.plate-settings-content .downloads { display: flex; flex-wrap: wrap; gap: 12px; }

.plate-settings .plate > button[data-zoom] { display: block; padding: 0; width: 100%; border: 0; background: none; }

.plate.selected-plate { outline: 3px solid var(--copper); outline-offset: 3px; scroll-margin-top: 110px; }

.action-detail { margin-top: 16px; }
.action-detail summary { cursor: pointer; color: var(--copper); font-size: 14px; }
.action-detail .diagram { max-width: 320px; margin-top: 12px; }

/* Electrical lookup: visual topic choices and bounded connection drawings. */
.electrical-reference > .lede { max-width: 65ch; }
.reference-safety { color: var(--muted); max-width: 75ch; }
.reference-topic { margin: 12px 0; border: 1px solid var(--line); border-radius: 10px; background: var(--paper, #fbfaf6); }
.reference-topic > summary { padding: 18px 20px; font-weight: 700; font-size: 19px; cursor: pointer; }
.reference-topic[open] > summary { border-bottom: 1px solid var(--line); }
.reference-content { padding: 4px 20px 20px; }
.reference-content > p, .reference-notes { max-width: 76ch; }
.reference-notes { padding-left: 22px; }
.reference-notes li { margin: 8px 0; }
.reference-figures { margin-block: 18px; }
.reference-figures > summary { padding: 10px 0; font-weight: 600; cursor: pointer; }
.reference-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 360px)); gap: 24px; padding-top: 14px; align-items: start; }
.reference-pair { display: grid; grid-template-columns: minmax(240px,360px) minmax(0,1fr); gap: 24px; align-items: start; margin-block: 16px; }
.electrical-reference .diagram { width: 100%; max-width: 360px; min-width: 0; margin: 0; }
.electrical-reference .diagram img { width: 100%; height: auto; max-height: 640px; object-fit: contain; }
.electrical-reference .diagram .enlarge-label { padding: 4px 0; }
.reference-build { font-size: 15px; margin-bottom: 0; }
@media (max-width:800px) { .reference-pair { grid-template-columns: 1fr; } }
@media (max-width:600px) {
 .reference-topic > summary { padding: 15px 12px; font-size: 18px; }
 .reference-content { padding: 0 12px 16px; }
 .reference-gallery { justify-content: center; }
 .electrical-reference .table-wrap { margin-inline: 0; }
}
@media print {
 .reference-topic { border: 0; margin: 0; }
 .reference-topic > summary { padding: 12px 0; break-after: avoid; }
 .reference-content { padding: 0; }
 .reference-gallery { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .electrical-reference .diagram img { max-height: 140mm; }
}

.reference-picker { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin: 24px 0 12px; }
.reference-picker button { display: flex; gap: 14px; align-items: center; text-align: left; padding: 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper, #fbfaf6); color: var(--ink); cursor: pointer; }
.reference-picker img { width: 74px; height: 68px; object-fit: contain; flex-shrink: 0; }
.reference-picker b { display: block; font-size: 18px; }
.reference-picker small { display: block; font-size: 14px; line-height: 1.4; margin-top: 4px; color: var(--muted); }
.reference-picker button:hover, .reference-picker button[aria-expanded="true"] { border-color: var(--copper, #aa6541); }
.reference-shortcuts { display: flex; flex-wrap: wrap; gap: 8px; }
.reference-shortcuts button { font: inherit; font-size: 14px; padding: 8px 12px; background: transparent; border: 1px solid var(--line); border-radius: 6px; color: var(--ink); cursor: pointer; }
.reference-topic { scroll-margin-top: 24px; }
.reference-gallery { margin-bottom: 20px; }
.reference-table { margin-block: 18px; }
.reference-table > summary { cursor: pointer; padding: 12px 0; font-weight: 600; }
@media (max-width:600px) {
 .reference-picker { gap: 8px; }
 .reference-picker button { flex-direction: column; align-items: flex-start; gap: 8px; padding: 12px; }
 .reference-picker img { width: 64px; height: 56px; }
 .reference-picker b { font-size: 16px; }
 .reference-picker small { font-size: 13px; }
}
@media print { .reference-picker, .reference-shortcuts { display: none; } }
.electrical-reference .reference-topic:not([open]) { display: none; }

.safety-reference { max-width: 76ch; }
.safety-reference li { margin-block: 12px; }

/* Setup screenshots and explicit command/file/output cards. */
.setup-step .action-panel-screenshot .action-panel-body { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
.setup-step .action-panel-screenshot .diagram { max-width: 520px; background: var(--surface); }
/* Show the active controls; enlargement retains the full, unaltered app window. */
.setup-step .action-panel-screenshot .diagram > button { overflow: hidden; }
.setup-step .action-panel-screenshot .diagram img { width: 151.111%; max-width: none; max-height: none; margin: -7.778% 0 -3.333% -48.889%; }
.setup-step .action-panel-screenshot .enlarge-label { font-size: 13px; }
.setup-step .action-copy { max-width: 68ch; }
.panel-links { padding-left: 20px; margin-block: 14px 0; }
.panel-links li { margin-block: 6px; }
.code-card { margin: 18px 0; border: 1px solid #c5c1d4; border-radius: 9px; overflow: hidden; min-width: 0; max-width: 100%; background: var(--surface); }
.code-card-header { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 16px; background: #eeecf5; border-bottom: 1px solid #d5d1e3; }
.code-card-header > div { min-width: 0; }
.code-context { display: block; color: #4c4567; font-size: 12px; font-weight: 700; line-height: 1.5; }
.code-label { display: block; color: var(--ink); font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.code-card-header button { flex-shrink: 0; padding: 8px 12px; min-height: 42px; border: 1px solid #9891ae; border-radius: 6px; background: var(--surface); color: var(--ink); font: 600 13px var(--reading); cursor: pointer; }
.code-card-header button:hover { background: #dfdbea; }
.code-card-header button:focus-visible, .code-content:focus-visible, .software-topic-nav a:focus-visible { outline: 3px solid var(--copper); outline-offset: -3px; }
.code-card pre.code-content { margin: 0; padding: 17px 18px; color: #f8f6ff; background: #302c48; font: 14px/1.8 var(--mono); white-space: pre; overflow-x: auto; overflow-wrap: normal; word-break: normal; border: 0; border-radius: 0; max-width: 100%; tab-size: 2; }
.code-content code { padding: 0; color: inherit; background: transparent; font: inherit; white-space: inherit; overflow-wrap: normal; word-break: normal; }
.code-card[data-kind="config"] { border-color: #c7b9a8; }
.code-card[data-kind="config"] .code-card-header { background: #f2ebe1; border-color: #d8cbb9; }
.code-card[data-kind="config"] .code-context { color: #71502f; }
.code-card[data-kind="config"] pre.code-content { background: #f9f4ea; color: #433728; }
.code-card[data-kind="output"] { border-color: var(--line); }
.code-card[data-kind="output"] .code-card-header { background: var(--pale); border-color: var(--line); }
.code-card[data-kind="output"] .code-context { color: var(--muted); }
.code-card[data-kind="output"] pre.code-content { background: var(--surface); color: #555365; }
.copy-status { margin: 0; padding: 0 16px; font-size: 13px; color: #4c4567; line-height: 1.5; }
.copy-status:not(:empty) { padding-block: 9px; }
.software-reference { max-width: 1020px; }
.setup-cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px; margin: 24px 0; background: #f0eee5; border-radius: 9px; }
.setup-cta strong { font-size: 18px; }
.setup-cta p { font-size: 15px; margin: 5px 0 0; }
.setup-cta .button { flex-shrink: 0; }
.software-topic-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
.software-topic-nav a { padding: 10px 14px; border: 1px solid var(--line); border-radius: 6px; color: var(--ink); font-size: 14px; text-decoration: none; }
.software-topic-nav a:hover, .software-topic-nav a[aria-current] { border-color: var(--copper); background: #f1e9df; }
.software-section { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 20px; scroll-margin-top: 100px; }
.software-section h2 { margin-top: 0; }
.software-section > p { max-width: 76ch; }
.software-section h3 { margin: 28px 0 8px; font-size: 20px; }
.software-overview { display: grid; grid-template-columns: minmax(0, 1fr) minmax(220px, 310px); gap: 24px; align-items: start; }
.software-overview .diagram { margin: 0; }
.software-overview .diagram img { max-height: 300px; object-fit: contain; }
.software-overview p:first-child { margin-top: 0; }
.software-command-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 20px; align-items: start; }
.software-command { min-width: 0; }
.software-command > p { font-size: 14px; line-height: 1.65; margin: -6px 0 14px; }
.software-tests { margin-top: 24px; }
@container (max-width: 760px) {
 .setup-step .action-panel-screenshot .action-panel-body { grid-template-columns: 1fr; }
 .setup-step .action-panel-screenshot .diagram { justify-self: start; max-width: 520px; }
}
@media (max-width: 800px) {
 .software-overview, .software-command-grid { grid-template-columns: 1fr; }
 .software-overview .diagram { max-width: 340px; }
 .setup-cta { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 600px) {
 .setup-step .action-panel-screenshot .action-panel-body { grid-template-columns: 1fr; }
 .setup-step .action-panel-screenshot .diagram { max-width: 520px; }
 .code-card-header { gap: 8px; padding: 10px 12px; flex-wrap: wrap; }
 .code-card pre.code-content { padding: 14px 12px; font-size: 13px; }
 .software-topic-nav a { padding: 10px; }
}
@media print {
 .code-card-header button, .copy-status, .software-topic-nav, .setup-cta { display: none; }
 .code-card { break-inside: avoid; }
 .code-card pre.code-content { color: var(--ink); background: white; white-space: pre-wrap; overflow-wrap: anywhere; }
 .software-overview { display: block; }
 .software-command-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* The complete wiring sheet keeps readable type inside a bounded, pannable view. */
.master-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin: 18px 0; }
.master-tools button { padding: 9px 12px; }
.master-tools a { font-size: 15px; }
.master-wiring { margin: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.master-window { height: min(65vh, 600px); min-height: 320px; overflow: auto; background: #fbfaf6; }
.master-window img { display: block; width: 100%; max-width: none; height: 100%; object-fit: contain; }
.master-window.is-detail img { width: 2640px; height: 2120px; }
.master-window:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
.master-wiring figcaption { padding: 12px 16px; font-size: 14px; line-height: 1.6; color: var(--muted); }

@media (max-width: 350px) {
  body:not(.standalone) header .brand-avatar { display: none; }
}

/* Keep the print instructions specific to the reader's slicer. */
.slicer-choice { display: flex; flex-wrap: wrap; gap: 4px; border: 0; border-bottom: 1px solid var(--line); padding: 0; margin: 20px 0; }
.slicer-choice legend { font-weight: 700; margin-bottom: 8px; }
.slicer-choice label { position: relative; padding: 12px 16px; margin-bottom: -1px; border-bottom: 3px solid transparent; color: var(--muted); cursor: pointer; }
.slicer-choice label:has(input:checked) { border-bottom-color: var(--blue); color: var(--ink); font-weight: 700; }
.slicer-choice label:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: -3px; }
.slicer-choice input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
[data-print-slicer="other"] [data-slicer="bambu"] { display: none; }
[data-print-slicer="bambu"] [data-slicer="other"] { display: none; }

/* Costs use the same catalog quotes on cards and in the breakdown. */
.cost-summary { display: flex; flex-wrap: wrap; gap: 18px 32px; align-items: center; padding: 24px; margin: 24px 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--violet-pale); }
.cost-summary > div { flex: 1 1 260px; }
.cost-summary strong { display: block; font: 700 36px/1.3 var(--display); }
.cost-summary strong small { font: 500 16px var(--reading); color: var(--muted); }
.cost-summary p { margin: 6px 0 0; font-size: 15px; }
.cost-summary .cost-scope { flex-basis: 100%; color: var(--muted); font-size: 13px; }
.part-price { margin: 0 0 12px; border-top: 1px solid var(--line); padding-top: 12px; }
.part-price p { margin: 0 0 8px; }
.cost-total { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 20px; margin: 24px 0 8px; }
.cost-total strong { font-size: clamp(32px, 4vw, 42px); line-height: 1.2; color: var(--blue); }
.cost-categories { display: grid; grid-template-columns: repeat(auto-fit, minmax(135px, 1fr)); gap: 12px; margin: 28px 0; }
.cost-categories div { padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.cost-categories dt { font-size: 14px; color: var(--muted); }
.cost-categories dd { margin: 6px 0 0; font-size: 24px; font-weight: 650; }
.cost-detail, .shopping-detail { margin: 14px 0; border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
:is(.cost-detail, .shopping-detail) summary span { float: right; margin-left: 12px; font-weight: 500; }
:is(.cost-detail, .shopping-detail) td small { display: block; color: var(--muted); font-size: 13px; margin-top: 6px; }

.cost-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 16px; margin: 28px 0; }
.cost-options section { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.cost-options h2 { margin: 0; font-size: 19px; }
.cost-options p { font-size: 15px; line-height: 1.6; }
.cost-options .cost-total { margin: 16px 0; }
.cost-options .text-button { padding: 0; border: 0; background: none; color: var(--blue); font: inherit; text-align: left; text-decoration: underline; cursor: pointer; }
.shopping-total strong { font-size: 28px; color: var(--blue); }
#cost-materials { scroll-margin-top: 100px; }

/* The real-world demo complements the animated portrait above it. */
.character-demo { margin-bottom: 64px; }
.demo-player { width: 100%; min-width: 0; aspect-ratio: 16 / 9; min-height: 200px; overflow: hidden; border-radius: 20px; background: #16151d; }
.demo-preview { display: block; position: relative; width: 100%; height: 100%; padding: 0; border: 0; background: transparent; color: white; cursor: pointer; font: inherit; }
.demo-preview img { display: block; width: 100%; height: 100%; object-fit: cover; }
.demo-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; align-items: center; justify-content: center; gap: 10px; white-space: nowrap; padding: 14px 22px; border-radius: 999px; background: var(--blue); box-shadow: 0 3px 18px #0004; font-weight: 650; }
.demo-duration { font-size: 13px; opacity: .8; font-weight: 400; }
.demo-preview:hover .demo-play { background: var(--ink); }
.demo-preview:focus-visible { outline: 3px solid var(--copper); outline-offset: -5px; }
.demo-player iframe { display: block; width: 100%; height: 100%; border: 0; }
.demo-link { margin-top: 12px; text-align: right; }
@media (max-width: 600px) { .character-demo { margin-bottom: 42px; } .demo-player { border-radius: 14px; } }
@media print { .demo-player { display: none; } }