:root {
  color-scheme: dark;
  --background: #000;
  --surface: #0b0b0b;
  --surface-raised: #161616;
  --line: #202020;
  --line-strong: #303030;
  --field-line: #626262;
  --radius: 8px;
  --radius-panel: 12px;
  --button-hover: #d4d4d0;
  --button-secondary-hover: #2a2a2a;
  --text: #eaeae7;
  --muted: #a0a09c;
  --quiet: #999995;
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --panel-gutter: var(--space-24);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--background); color: var(--text); font-size: 14px; line-height: 1.6; }
button, input, select { font: inherit; color: inherit; border-radius: var(--radius); }
a { color: inherit; text-decoration: none; }
a:not(.button):is(:hover, :focus-visible) { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
button, summary, select { cursor: pointer; }
button { -webkit-appearance: none; }
button:disabled { cursor: not-allowed; }
input, select { min-width: 0; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--text); outline-offset: 4px; }
main:focus { outline: none; }
::selection { color: #000; background: #cececa; }
h1, h2, h3, p { margin: 0; }
h1 { font-size: clamp(34px, 3.2vw, 44px); font-weight: 500; line-height: 1.12; letter-spacing: -.02em; overflow-wrap: anywhere; }
h2 { font-size: 22px; font-weight: 500; line-height: 1.3; letter-spacing: 0; }
h3 { font-size: 16px; font-weight: 500; letter-spacing: 0; }
code, .mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: .88em; }
code { overflow-wrap: anywhere; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.muted, .small-copy, .field-note, .quiet-label { color: var(--muted); }
.small-copy, .field-note, .quiet-label { font-size: 12px; line-height: 1.7; }
.eyebrow { color: var(--muted); font-size: 12px; line-height: 1.4; font-weight: 400; letter-spacing: .015em; }
.skip-link { position: absolute; z-index: 20; top: 8px; left: 12px; padding: 12px 20px; color: #000; background: var(--text); transform: translateY(-150%); }
.skip-link:focus { transform: none; }

[hidden] { display: none !important; }
.info-label { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.info-label > label { margin: 0; font-size: 12px; }
.info-help { display: inline-flex; align-items: center; flex-shrink: 0; vertical-align: middle; }
.info-trigger { display: inline-grid; place-items: center; width: 40px; min-width: 40px; height: 40px; min-height: 40px; padding: 0; border: 0; border-radius: 50%; color: var(--muted); background: transparent; font-size: 16px; font-weight: 400; line-height: 1; }
.info-trigger i { display: grid; place-items: center; width: 16px; height: 16px; border: 1px solid currentColor; border-radius: 50%; font-family: inherit; font-size: 11px; font-style: normal; font-weight: 500; }
.info-trigger:is(:hover, :focus-visible, [aria-expanded="true"]) { color: var(--text); }
.info-tip { position: fixed; z-index: 60; display: block; width: max-content; max-width: min(288px, calc(100vw - 16px)); max-height: calc(100dvh - 16px); padding: 12px 16px; overflow-y: auto; overflow-wrap: anywhere; color: var(--text); background: var(--surface-raised); border: 1px solid var(--line-strong); border-radius: var(--radius); font-size: 12px; font-weight: 400; line-height: 1.6; letter-spacing: normal; text-align: left; white-space: normal; }
@media (pointer: coarse) { .info-trigger { width: 44px; min-width: 44px; height: 44px; min-height: 44px; } }
.workspace-shell { display: flex; flex-direction: column; min-height: 100vh; min-width: 0; margin-left: 232px; }
.sidebar { position: fixed; z-index: 30; inset: 0 auto 0 0; width: 232px; padding: 28px 20px 20px; background: var(--surface); display: flex; flex-direction: column; overflow-y: auto; }
.sidebar-brand { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 12px; }
.brand-logo { display: block; flex-shrink: 0; width: 32px; height: 32px; object-fit: contain; }
.wordmark { display: inline-flex; align-items: center; flex-shrink: 0; max-width: 100%; font-size: 21px; font-weight: 600; letter-spacing: -.04em; }
.wordmark .brand-logo { margin-right: 8px; }
.header-brand { display: none; flex-shrink: 0; }
.brand-product { margin-left: 8px; color: var(--muted); font-size: 12px; font-weight: 400; letter-spacing: .02em; }
.workspace-label { display: flex; align-items: center; gap: 12px; padding: 16px 12px; margin: 32px 0 12px; background: var(--surface-raised); border-radius: var(--radius); font-size: 12px; }
.workspace-symbol { display: grid; place-items: center; width: 32px; height: 32px; background: #292929; border-radius: 6px; font-size: 12px; }
.workspace-label small { display: block; color: var(--muted); font-size: 12px; }
.primary-nav { display: flex; flex-direction: column; gap: 4px; }
.nav-group-label { margin: 20px 12px 8px; color: var(--quiet); font-size: 12px; }
.primary-nav a { display: flex; align-items: center; gap: 12px; min-height: 44px; padding: 8px 12px; color: var(--muted); border-radius: var(--radius); font-size: 14px; line-height: 20px; }
.primary-nav a[aria-current="page"] { color: var(--text); background: #242424; }
.primary-nav a:hover { color: var(--text); background: var(--surface-raised); }
.nav-symbol { width: 17px; font-size: 17px; line-height: 1; text-align: center; }
.nav-count { margin-left: auto; font-size: 12px; }
.nav-count, .count, .result-count, .membership-price, .completion-meter, .firmware-facts { font-variant-numeric: tabular-nums; }
.sidebar-bottom { margin-top: auto; padding-top: 44px; }
.sidebar-help { display: flex; flex-wrap: wrap; gap: 12px; padding: 12px; }
.sidebar-help a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 12px; }
.sidebar-preview { padding: 20px 12px 0; color: var(--muted); font-size: 12px; }
.sidebar-preview span { display: block; margin-top: 4px; color: var(--quiet); font-size: 12px; }
.sidebar-close, .menu-toggle, .sidebar-backdrop { display: none; }
.site-header { border: 0; }
.header-inner { max-width: 1400px; min-height: 80px; margin: 0 auto; padding: 0 40px; display: flex; align-items: center; gap: 24px; }
.breadcrumb { display: flex; align-items: center; gap: 12px; font-size: 12px; }
.breadcrumb > span:not(:last-child) { color: var(--quiet); }
.preview-label { margin-left: auto; padding: 4px 8px; border-radius: 5px; color: var(--muted); background: var(--surface-raised); font-size: 12px; white-space: nowrap; }
.header-account { display: flex; align-items: center; gap: 20px; min-width: 0; font-size: 13px; }
.account-link { max-width: 220px; text-align: right; line-height: 1.4; overflow-wrap: anywhere; }
.account-link span { display: block; color: var(--muted); font-size: 12px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-width: 0; max-width: 100%; min-height: 44px; padding: 10px 20px; background: var(--text); color: #080808; border: 1px solid var(--text); border-radius: var(--radius); font-size: 13px; line-height: 22px; font-weight: 500; white-space: normal; text-align: center; overflow-wrap: anywhere; }
.button.secondary { color: var(--text); background: var(--surface-raised); border-color: transparent; }
.button.small { min-height: 44px; padding: 8px 12px; font-size: 12px; }
.button:not(:disabled):is(:hover, :focus-visible) { background: var(--button-hover); border-color: var(--button-hover); }
.button.secondary:not(:disabled):is(:hover, :focus-visible) { background: var(--button-secondary-hover); border-color: transparent; }
.text-button { min-height: 44px; padding: 8px 0; color: var(--text); background: transparent; border: 0; font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.text-button:is(:hover, :focus-visible) { color: #fff; text-decoration-color: currentColor; }
.inline-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; font-weight: 500; }
.legal-content a:hover { text-decoration-color: var(--text); }

.page { width: 100%; max-width: 1400px; flex: 1; margin: 0 auto; padding: 40px 40px 72px; }
.page-intro { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 32px; }
.page-intro h1 { margin-top: 12px; }
.page-intro.compact-intro { align-items: center; }
.page-intro.compact-intro h1 { margin-top: 0; }
.intro-copy { max-width: 620px; margin-top: 16px; color: var(--muted); font-size: 14px; line-height: 1.65; letter-spacing: 0; }
.catalog-intro > .button { margin-bottom: 4px; }
.back-link { display: inline-flex; align-items: center; min-height: 44px; margin-bottom: 16px; color: var(--muted); font-size: 13px; }
.back-link:hover { color: var(--text); }
.badge { display: inline-flex; align-items: center; width: fit-content; max-width: 100%; padding: 4px 8px; background: #1c1c1c; border-radius: 6px; color: #c9c9c5; font-size: 12px; line-height: 1.5; white-space: normal; }
.metadata { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 24px; color: var(--muted); font-size: 12px; }
.count { display: inline-flex; justify-content: center; align-items: center; min-width: 24px; min-height: 24px; color: var(--muted); font-size: 12px; }

.catalog-toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-16); margin-bottom: var(--space-8); }
.result-count { margin-bottom: var(--space-16); color: var(--muted); font-size: 12px; }
.catalog-label { display: flex; align-items: center; gap: 12px; }
.catalog-label h2 { font-size: 16px; letter-spacing: 0; }
.filters { display: flex; flex-wrap: wrap; gap: var(--space-12); }
.curriculum-description { max-width: 72ch; margin-bottom: var(--space-24); color: var(--muted); font-size: 13px; }
.curriculum-label { margin-top: var(--space-16); color: var(--muted); font-size: 12px; }
.curriculum-label + h3 { margin-top: var(--space-8); }
input, select { min-height: 44px; padding: 8px 12px; background: var(--surface); border: 1px solid var(--field-line); font-size: 13px; caret-color: var(--text); }
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--text); }
input::placeholder { color: var(--quiet); opacity: 1; }
.filters input { width: 220px; }
.filters select { width: 150px; }
.box-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-24); }
.box-card { position: relative; min-width: 0; overflow: hidden; background: var(--surface); border-radius: var(--radius-panel); }
.box-art { position: relative; min-width: 0; display: flex; align-items: center; justify-content: center; min-height: 208px; background: #131313; color: #999; }
.box-art.box-art-has-image { min-height: 0; aspect-ratio: 3 / 2; background: var(--surface); }
.box-art-image { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: contain; }
.box-art-icons8 .box-art-image { inset: 50% auto auto 50%; width: 88px; height: 88px; transform: translate(-50%, -50%); filter: invert(1) brightness(.92); }
.box-card > .box-art { min-height: 0; height: clamp(128px, 24vw, 160px); aspect-ratio: auto; }
.box-art-placeholder { color: var(--quiet); font-size: 18px; letter-spacing: -.02em; }
.box-nano { display: block; width: auto; height: 164px; max-width: 100%; }
.recommended-box .box-nano { height: 112px; }
.box-art-gate { background: #181818; }
.art-label { position: absolute; top: 16px; left: 20px; color: var(--quiet); font-size: 12px; letter-spacing: 0; }
.box-card-body { padding: var(--panel-gutter); }
.box-card-body > h3 { margin: var(--space-16) 0 var(--space-8); font-size: 20px; line-height: 28px; }
.box-card-body > h3 strong { font-weight: inherit; }
.card-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 12px; }
.box-link { display: inline-block; margin: 20px 0 12px; border-radius: var(--radius); }
.box-link strong { font-size: 25px; font-weight: 500; letter-spacing: -.025em; }
.box-description { display: block; color: var(--muted); font-size: 13px; line-height: 1.7; }
a.box-link:is(:hover, :focus-visible) { text-decoration: none; }
.box-link:is(:hover, :focus-visible) strong { color: #fff; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.box-card .skill-list { margin-top: var(--space-16); gap: 8px 16px; }
.box-card .skill-list span, .recommended-box .skill-list span, .practiced-skills span { padding: 4px 8px; background: var(--surface-raised); border-radius: 5px; font-size: 12px; }
.box-card .skill-list span { padding: 0; background: transparent; border-radius: 0; }
.card-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-12); margin-top: var(--space-24); font-size: 12px; }
.card-progress { color: var(--quiet); }
.card-open { display: inline-flex; align-items: center; min-height: 44px; padding: var(--space-8) 0; }
.card-open > span { margin-left: 8px; }
.card-open::after, .recommended-open::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: var(--radius-panel); }
.card-open:focus-visible, .recommended-open:focus-visible { outline: none; }
.card-open:focus-visible::after, .recommended-open:focus-visible::after { outline: 2px solid var(--text); outline-offset: -2px; }
.table-note { margin-top: 16px; color: var(--quiet); font-size: 12px; }
.empty-state { grid-column: 1 / -1; min-height: 220px; display: flex; flex-direction: column; align-items: center; justify-content: center; border-radius: var(--radius-panel); background: var(--surface); }
.empty-state h2 { font-size: 20px; }
.empty-state p { margin: 8px 0 16px; }
.quiet-label { display: block; margin-top: 8px; color: var(--quiet); font-size: 12px; }
.device-diagram { display: flex; align-items: center; justify-content: center; width: 320px; max-width: 100%; padding: 12px 8px; }
.nano-unit { display: flex; flex-direction: column; align-items: center; flex: 0 1 112px; min-width: 0; margin: 0; }
.nano-illustration { display: block; width: 100%; max-width: 100px; height: auto; }
.nano-unit figcaption { margin-top: 12px; font-size: 12px; color: var(--muted); }
.radio-link { flex: 1; min-width: 26px; padding: 0 8px; text-align: center; }
.radio-link span { font-size: 12px; color: var(--quiet); }
.radio-link div { margin-top: 8px; height: 1px; border-top: 1px dashed #51514d; }

.preview-invitation { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-24); margin-bottom: var(--space-32); padding: var(--panel-gutter); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-panel); }
.preview-invitation-copy { flex: 1 1 360px; min-width: 0; }
.preview-invitation h2 { font-size: 18px; }
.preview-invitation p { max-width: 64ch; margin-top: var(--space-8); color: var(--muted); }
.preview-invitation > .button { flex: 0 0 auto; }
.workspace-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: start; gap: var(--space-16); margin: 0 0 var(--space-24); padding-block: var(--space-12); border-block: 1px solid var(--line); }
.workspace-stats > div { display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); min-width: 0; }
.workspace-stats dt { display: flex; align-items: center; min-width: 0; min-height: 44px; font-size: 12px; color: var(--muted); }
.workspace-stats dd { flex-shrink: 0; margin: 0; font-size: 20px; line-height: 1.4; font-variant-numeric: tabular-nums; }
.overview-layout { display: grid; grid-template-columns: minmax(0, 1fr) 286px; align-items: start; gap: 28px; }
.overview-layout .section-title h2, .workspace-section h2 { font-size: 18px; }
.overview-layout .section-title { margin-bottom: 20px; }
.overview-layout .section-title .inline-link { font-size: 13px; }
.recommended-box { position: relative; display: grid; grid-template-columns: 144px minmax(0, 1fr); align-items: center; gap: var(--space-16); padding: var(--panel-gutter); overflow: hidden; background: var(--surface); border-radius: var(--radius-panel); }
.recommended-box .box-art { width: 100%; min-height: 0; height: 128px; aspect-ratio: auto; background: transparent; }
.recommended-body { min-width: 0; padding: 0; }
.recommended-body > .card-meta { margin-bottom: var(--space-8); }
.recommended-body h3 { margin: 0 0 var(--space-8); font-size: 24px; line-height: 1.25; overflow-wrap: anywhere; }
.recommended-body p { color: var(--muted); font-size: 13px; }
.recommended-body .skill-list { margin-top: var(--space-16); gap: var(--space-8); }
.recommended-body .button { margin-top: var(--space-16); }
.workspace-section { margin-top: var(--space-32); }
.overview-layout > div > .workspace-section:first-child { margin-top: 0; }
.workspace-section > h2 + :is(.collection-list, .account-boxes) { margin-top: var(--space-16); }
.workspace-section > .skill-list + .small-copy { margin-top: var(--space-12); }
.membership-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: 48px; }
.membership-offer { padding: var(--space-32); background: var(--surface); border-radius: var(--radius-panel); }
.membership-offer h2 { margin-top: var(--space-12); font-size: 26px; }
.membership-offer p:not(.eyebrow) { margin-top: var(--space-16); }
.membership-offer .device-actions { margin-block: var(--space-24) 0; }
.membership-price { font-size: 27px; line-height: 1.3; letter-spacing: -.03em; }
.membership-inclusions dl { margin: 24px 0 32px; display: grid; gap: 24px; }
.membership-inclusions dt { font-weight: 500; }
.membership-inclusions dd { margin: 8px 0 0; color: var(--muted); }
.membership-inclusions > p { margin-top: 16px; }
.membership-notes { margin-top: 40px; max-width: 760px; }
.membership-notes details { margin-top: 20px; padding: 20px 24px; background: var(--surface); border-radius: var(--radius); }
.membership-notes summary { font-weight: 500; }
.membership-notes p { margin-top: 16px; color: var(--muted); }
@media (max-width: 1100px) { .membership-layout { grid-template-columns: 1fr; gap: 32px; } }
@media (max-width: 600px) { .membership-offer { padding: var(--space-24); } .membership-price { font-size: 23px; } }
.membership-panel { margin-bottom: var(--space-32); padding: var(--panel-gutter); background: var(--surface); border-radius: var(--radius-panel); }
.membership-panel > .section-title { margin-bottom: 0; }
.membership-panel > .info-label { margin-top: var(--space-16); }
.membership-panel > .device-actions { margin-block: var(--space-24) 0; }
.membership-panel h2 { font-size: 18px; }
.membership-panel p { margin-top: 16px; max-width: 760px; color: var(--muted); }
.membership-panel .section-title { flex-wrap: wrap; gap: 12px; }
.membership-details { margin-top: var(--space-16); font-size: 12px; color: var(--muted); }
.membership-details summary { width: fit-content; padding-block: var(--space-8); color: var(--text); }
.membership-details p { margin-top: var(--space-8); }
.membership-welcome { margin-bottom: 32px; }
.membership-welcome h2 { max-width: 700px; margin-top: 12px; font-size: clamp(26px, 3vw, 34px); line-height: 1.2; letter-spacing: -.035em; }
.membership-welcome .eyebrow { margin-top: 0; }
.membership-welcome .button { margin-top: 24px; max-width: 100%; white-space: normal; }
.collection-list { display: flex; flex-direction: column; gap: 12px; }
.collection-list a { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: var(--surface); border-radius: var(--radius); }
.collection-list a:is(:hover, :focus-visible) { text-decoration: none; background: var(--surface-raised); }
.collection-list a:is(:hover, :focus-visible) strong { text-decoration: underline; text-underline-offset: 4px; }
.collection-mark { display: grid; place-items: center; width: 36px; height: 36px; flex-shrink: 0; color: var(--muted); background: #242424; border-radius: var(--radius); font-size: 14px; }
.collection-list strong { font-size: 13px; font-weight: 500; }
.collection-list small { display: block; color: var(--muted); font-size: 12px; }
.collection-list .badge { margin-left: auto; }
.cli-panel { padding: var(--panel-gutter); background: var(--surface); border-radius: var(--radius-panel); }
.cli-panel h2, .resource-panel h2 { font-size: 18px; }
.cli-panel .quiet-label { margin-top: 24px; }
.cli-panel .command { margin-top: var(--space-16); }
.cli-panel .command code { font-size: 12px; }
.cli-panel .small-copy { margin-top: 16px; font-size: 12px; }
.cli-panel .inline-link { margin-top: var(--space-8); font-size: 12px; }
.resource-panel { margin-top: 28px; padding: 0 8px; }
.resource-panel .inline-link { display: flex; width: fit-content; margin-top: var(--space-4); font-size: 12px; }
.preview-footnote { margin-top: 24px; color: var(--quiet); font-size: 12px; }
.progress-summary { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-24); padding: var(--panel-gutter); background: var(--surface); border-radius: var(--radius-panel); }
.progress-summary h2 { font-size: 22px; }
.progress-summary p { margin-top: 8px; color: var(--muted); font-size: 12px; }
.completion-meter { min-width: 180px; }
.completion-meter span { display: block; margin-bottom: 12px; color: var(--muted); font-size: 12px; }
.completion-meter progress { display: block; -webkit-appearance: none; appearance: none; border: 0; width: 100%; height: 5px; border-radius: 3px; background: #242424; accent-color: #ccc; }
.completion-meter progress::-webkit-progress-bar { border-radius: 3px; background: #242424; }
.completion-meter progress::-webkit-progress-value { border-radius: 3px; background: #ccc; }
.completion-meter progress::-moz-progress-bar { border-radius: 3px; background: #ccc; }
.progress-guest { padding: 36px; max-width: 700px; border-radius: var(--radius-panel); background: var(--surface); }
.progress-guest p { margin-top: 16px; color: var(--muted); font-size: 13px; }
.progress-guest .button { margin-top: 24px; }
.begin-box { width: 100%; margin-top: 20px; }
.button:disabled { color: #a4a4a0; background: #1c1c1c; border-color: #393939; }

.detail-intro { display: grid; grid-template-columns: minmax(0, 1fr) 200px; align-items: center; gap: 24px; margin-bottom: 32px; }
.detail-cover { min-width: 0; width: 100%; max-width: 200px; overflow: hidden; border-radius: var(--radius-panel); }
.detail-cover .box-art { min-height: 0; height: auto; aspect-ratio: 3 / 2; }
.detail-cover .box-nano { height: 132px; }
.detail-number { display: none; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; align-items: start; }
.detail-layout:has(.box-preparation) { grid-template-columns: minmax(0, 1fr); gap: var(--space-32); }
.briefing { min-width: 0; }
.box-briefing > h2:not(:first-child) { margin-top: var(--space-32); }
.content-section { padding: 0; margin-bottom: var(--space-40); }
.content-section:last-child { margin-bottom: 0; padding-bottom: 0; }
.content-section > p { margin-top: var(--space-16); color: var(--muted); max-width: 660px; }
.content-section h3 { margin-top: var(--space-24); }
.content-section > .button { margin-top: var(--space-24); }
.content-section > .small-copy { margin-top: var(--space-12); }
.skill-list { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 24px; color: var(--muted); font-size: 12px; }
.section-title { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-16); margin-bottom: var(--space-16); }
.section-title > span:not(.badge) { color: var(--quiet); font-size: 12px; }
.hints details { margin-bottom: var(--space-12); background: var(--surface); border-radius: 10px; }
.hints details:last-child { margin-bottom: 0; }
.walkthrough-pending { margin-top: var(--space-16); color: var(--muted); }
.hints details[open] { background: var(--surface-raised); }
.hints summary { display: flex; align-items: center; gap: var(--space-24); min-height: 55px; padding: var(--space-16); font-size: 13px; list-style: none; }
.hints summary::-webkit-details-marker { display: none; }
.hint-label { color: var(--muted); }
.disclosure { margin-left: auto; font-size: 18px; color: var(--muted); }
.hints details[open] .disclosure { font-size: 0; }
.hints details[open] .disclosure::after { content: "-"; font-size: 18px; }
.hints details p { padding: 0 var(--space-16) var(--space-16); color: var(--muted); font-size: 13px; }
.run-panel { padding: var(--panel-gutter); background: var(--surface); border-radius: var(--radius-panel); }
.run-panel > .section-title { margin-bottom: 0; }
.run-panel > .membership-panel { margin: var(--space-16) 0; padding: 0; }
.run-panel > #operation-status:empty { margin-top: 0; }
.run-panel h2, .guide-aside h2, .cli-access h2 { font-size: 18px; }
.run-panel > p { margin-top: 16px; color: var(--muted); font-size: 13px; }
.run-panel .command { margin-top: var(--space-16); }
.run-panel .small-copy { font-size: 12px; }
.run-panel > .inline-link { margin-top: var(--space-8); font-size: 12px; }
.box-preparation { min-width: 0; }
.preparation-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: var(--space-32); margin-top: var(--space-24); }
.preparation-option { min-width: 0; }
.preparation-option h3 { font-size: 18px; }
.preparation-option > p { margin-top: var(--space-12); }
.preparation-option > .inline-link { margin-top: 0; }
.preparation-option .run-actions { margin-top: var(--space-16); }
.selected-target { font-size: 13px; overflow-wrap: anywhere; }
.selected-target .mono { display: block; color: var(--muted); }
.investigation-step { margin-top: var(--space-24); padding-top: var(--space-24); border-top: 1px solid var(--line); }
.investigation-step h3 { font-size: 18px; }
.investigation-step p { max-width: 72ch; margin-top: var(--space-12); color: var(--muted); }
.run-diagnostics { margin-top: var(--space-16); border-top: 1px solid var(--line); }
.run-diagnostics summary { min-height: 44px; padding-block: 12px; font-size: 13px; }
.run-diagnostics > p { margin-top: var(--space-12); }
.box-submit { max-width: 760px; }
.command { display: flex; align-items: center; gap: var(--space-12); margin-top: var(--space-16); padding: var(--space-8) var(--space-12); background: var(--surface-raised); border-radius: var(--radius); }
.command + .command { margin-top: var(--space-12); }
.command code { min-width: 0; flex: 1; font-size: 12px; line-height: 1.8; user-select: all; }
.command button { flex-shrink: 0; min-width: 44px; min-height: 44px; padding: var(--space-8); color: var(--muted); background: none; border: 0; font-size: 12px; }
.command button:not(:disabled):is(:hover, :focus-visible) { color: var(--text); background: #303030; }
.firmware-facts { margin: var(--space-24) 0; font-size: 12px; }
.firmware-facts > div { display: flex; justify-content: space-between; gap: 20px; padding: 8px 0; overflow-wrap: anywhere; }
.firmware-facts dt { color: var(--muted); }
.firmware-facts dd { margin: 0; text-align: right; }
.artifact-details { padding-top: 12px; font-size: 12px; }
.artifact-details summary { min-height: 44px; padding-block: 12px; color: var(--muted); }
.artifact-details p { margin-top: 16px; }
.artifact-details a { text-decoration: underline; text-underline-offset: 4px; }
.hash-value { display: block; margin-top: 8px; color: var(--muted); overflow-wrap: anywhere; }
.run-panel .run-warning { margin-top: 24px; font-size: 12px; }
form label { display: block; margin-bottom: 8px; font-size: 12px; }
.input-action { display: flex; gap: var(--space-12); }
.input-action input { width: 100%; flex: 1; }
.input-action .button { flex-shrink: 0; }
.content-section form { margin-top: var(--space-24); }
.content-section form > .info-label { margin-bottom: var(--space-8); }
.field-note { margin-top: 8px; font-size: 12px; }
.field-error { margin-top: 8px; color: var(--text); font-size: 13px; line-height: 1.6; }
.form-message { margin-top: 20px; font-size: 12px; }
.form-message:empty { margin-top: 0; }

.narrow-intro { display: block; max-width: 720px; }
.setup-guide { width: 100%; max-width: 800px; }
.setup-digital { margin-bottom: var(--space-32); }
.setup-digital > p { margin-top: var(--space-16); color: var(--muted); }
.setup-digital > .button { margin-top: var(--space-24); }
.setup-physical > summary { min-height: 44px; padding-block: var(--space-12); font-size: 22px; font-weight: 500; cursor: pointer; }
.setup-physical[open] > .setup-equipment { margin-top: var(--space-24); }
.membership-physical-start { margin-top: var(--space-24); }
.membership-physical-start > summary { min-height: 44px; padding-block: var(--space-12); cursor: pointer; }
.membership-physical-start > p { margin-top: var(--space-16); }
.membership-inclusions > h3 { margin-top: var(--space-24); }
.setup-equipment { margin-bottom: var(--space-32); }
.setup-equipment > p { margin-top: var(--space-16); color: var(--muted); }
.setup-equipment > h3 { margin-top: var(--space-24); }
.setup-equipment > h3 + .command { margin-top: var(--space-8); }
.setup-equipment .device-diagram { margin-top: var(--space-16); }
.setup-restoration { margin-top: var(--space-32); }
.setup-restoration summary { min-height: 44px; padding-block: 12px; font-size: 14px; }
.setup-restoration > p { margin-top: var(--space-16); color: var(--muted); }
.guide-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; align-items: start; gap: 40px; }
.guide-step { display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: var(--space-24); padding-bottom: 0; margin-bottom: var(--space-40); }
.guide-step:last-child { margin: 0; padding-bottom: 0; }
.step-number { padding-top: 3px; font-size: 12px; color: var(--quiet); }
.guide-step h2 { font-size: 20px; }
.guide-step p { margin-top: 16px; color: var(--muted); font-size: 13px; }
.guide-step .small-copy { font-size: 12px; }
.guide-step .inline-link { margin-top: var(--space-8); }
.guide-aside { padding-top: 12px; }
.guide-aside .device-diagram { margin-bottom: 32px; }
.guide-aside .radio-link { width: 95px; }
.guide-aside p { margin: 12px 0 24px; font-size: 13px; color: var(--muted); }
.walkthrough-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 40px; align-items: start; }
.service-panel { padding: 28px; background: var(--surface); border-radius: var(--radius-panel); }
.service-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 20px; }
.service-heading h2 { margin-top: 12px; font-size: 22px; }
.characteristic { padding: 24px 0; }
.characteristic > div:first-child { display: flex; align-items: center; gap: 16px; }
.characteristic > div:first-child span { color: var(--muted); font-size: 12px; }
.characteristic > p { margin: 12px 0 20px; color: var(--muted); font-size: 13px; }
.byte-values { display: flex; flex-wrap: wrap; gap: 8px; }
.byte-values span { display: grid; place-items: center; width: 44px; height: 44px; background: #1c1c1c; border-radius: var(--radius); font: 15px "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
.characteristic form { margin-top: 20px; }
.demo-message { padding: 16px 20px; background: var(--surface-raised); border-radius: var(--radius); color: #cececa; font-size: 13px; }
.service-panel > .text-button { margin-top: 12px; font-size: 12px; }
.walkthrough-aside h2 { font-size: 22px; }
.walkthrough-aside p { margin-top: 16px; color: var(--muted); font-size: 13px; }
.walkthrough-aside .small-copy { font-size: 12px; }
.walkthrough-aside .inline-link { margin-top: 24px; }
.demo-hint { margin-top: 28px; padding: 20px; background: var(--surface); border-radius: 10px; font-size: 12px; }

.public-shell .workspace-shell { margin-left: 0; }
.public-shell .page { max-width: none; padding: 0; }
.public-page-content { width: min(100%, 1200px); margin-inline: auto; padding: 40px 40px 72px; }
.auth-shell .workspace-shell { margin-left: 0; }
.auth-shell .site-header, .auth-shell .site-footer, .auth-shell .sidebar, .auth-shell .sidebar-backdrop { display: none; }
.auth-shell .page { display: flex; flex-direction: column; justify-content: center; width: 100%; max-width: 468px; padding: 48px 24px; }
.auth-shell .auth-layout { display: block; width: 100%; padding: 0; }
.auth-shell .auth-main { width: 100%; margin: 0; }
.auth-shell .workspace-notice .button { display: block; margin-top: 12px; }
.auth-brand { font-size: 24px; font-weight: 600; letter-spacing: -.045em; }
.auth-brand > a { display: inline-flex; align-items: center; }
.auth-brand .brand-logo { width: 36px; height: 36px; margin-right: 12px; }
.auth-brand span { margin-left: 8px; color: var(--muted); font-size: 12px; font-weight: 400; letter-spacing: .02em; }
.auth-layout { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 300px); justify-content: center; align-items: start; gap: 64px; padding: 28px 0 16px; }
.auth-main h1 { margin-top: 20px; font-size: 42px; }
.auth-copy { margin-top: 20px; color: var(--muted); font-size: 14px; }
.auth-instruction { margin-top: var(--space-16); color: var(--muted); font-size: 14px; }
.auth-box-context { margin-top: var(--space-24); padding: 0; border: 0; }
.auth-box-context h2 { font-size: 18px; }
.auth-box-context > p { margin-top: var(--space-8); color: var(--muted); font-size: 13px; }
.auth-box-context > .inline-link { display: inline-block; margin-top: var(--space-8); }
.account-form { margin-top: 32px; }
.account-form > input { width: 100%; min-height: 46px; }
.account-form > label:not(:first-child) { margin-top: 24px; }
.forgot-link { display: inline-block; margin-top: 16px; color: var(--muted); font-size: 12px; text-decoration: underline; text-underline-offset: 4px; }
.full-width { width: 100%; margin-top: 28px; }
.agreement { margin-top: 24px; color: var(--muted); font-size: 12px; }
.agreement a, .auth-after a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.auth-after { margin-top: 24px; color: var(--muted); font-size: 12px; }
.auth-shell .account-form { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.auth-shell .account-form > label { margin: 0; }
.auth-shell .account-form > :is(input, .field-note) + label { margin-top: 12px; }
.auth-shell .account-form > :is(input, .field-note) + .info-label { margin-top: var(--space-12); }
.auth-main > .info-label { margin-top: var(--space-24); }
.auth-main > .info-label h1 { margin-top: 0; }
.auth-shell .account-form > .field-note { margin-top: 0; }
.auth-shell .account-form > .field-error { margin-top: 0; }
.auth-shell .account-form > :is(.inline-link, .agreement, .form-actions, .button[type="submit"]) { margin-top: 12px; }
.auth-shell .account-form .form-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.auth-shell .account-form .form-actions > .button { flex: 1 1 160px; width: auto; margin: 0; }
.auth-shell .auth-main .button { min-width: 0; max-width: 100%; white-space: normal; overflow-wrap: anywhere; }
.auth-shell .account-form > .form-message { margin-top: 4px; overflow-wrap: anywhere; }
.auth-shell .account-form > .form-message:empty { display: none; }
.auth-shell .auth-after { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 12px; margin-top: 24px; }
.auth-shell .auth-after > a { min-width: 0; overflow-wrap: anywhere; }
.auth-aside { padding-top: 4px; }
.auth-aside h2 { max-width: 260px; margin-top: 20px; font-size: 28px; line-height: 1.25; }
.auth-aside p:not(.eyebrow) { margin-top: 20px; color: var(--muted); font-size: 13px; }
.auth-aside .preview-boundary { margin-top: 24px; font-size: 12px; }
.auth-aside .inline-link { margin-top: 24px; }
.account-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; }
.account-boxes { display: grid; gap: 12px; }
.account-boxes a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 24px; background: var(--surface); border-radius: var(--radius-panel); }
.account-boxes a:is(:hover, :focus-visible) { text-decoration: none; }
.account-boxes a:is(:hover, :focus-visible) strong { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.account-boxes strong { display: block; font-weight: 500; font-size: 16px; }
.account-boxes small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
.account-boxes a > span:last-child { color: var(--muted); font-size: 12px; }
.account-layout > section > .small-copy { margin-top: 20px; }
.account-membership-summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-12) var(--space-16); margin-top: var(--space-32); padding-top: var(--space-24); border-top: 1px solid var(--line); }
.account-membership-summary h2 { font-size: 18px; }
.account-membership-summary > div > p { margin-top: var(--space-8); color: var(--muted); font-size: 13px; }
.account-membership-summary > .button { justify-self: start; }
.account-membership-summary > .setup-restoration { grid-column: 1 / -1; margin-top: 0; }
.account-membership-summary > .setup-restoration > summary { color: var(--muted); font-size: 13px; }
.account-membership-summary > .setup-restoration > p { margin-top: var(--space-8); }
.account-membership-summary > .setup-restoration > .button { margin-top: var(--space-8); }
.cli-access { padding: var(--panel-gutter); background: var(--surface); border-radius: var(--radius-panel); }
.cli-access p { margin-top: 16px; color: var(--muted); font-size: 13px; }
.cli-access .small-copy { font-size: 12px; }
.cli-access .inline-link { margin-top: var(--space-8); font-size: 12px; }
:is(p:not(.auth-after), dd, .field-note) .inline-link { display: inline; min-height: 0; margin: 0; font-size: inherit; line-height: inherit; font-weight: inherit; }

.legal-content { max-width: 690px; margin: 0 auto; }
.legal-content h1 { margin-top: 20px; font-size: 48px; }
.legal-content .legal-lead { margin-top: 28px; font-size: 15px; }
.legal-content h2 { margin-top: var(--space-32); font-size: 20px; }
.legal-content p { margin-top: var(--space-12); color: var(--muted); font-size: 14px; }
.legal-content > .eyebrow { margin-top: 0; }
.legal-content > .eyebrow { font-size: 12px; }
.not-found { min-height: 370px; }
.not-found h1 { margin-top: 24px; }
.not-found > p:not(.eyebrow) { margin: 24px 0; color: var(--muted); }
.site-footer { border: 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; max-width: 1400px; padding: 28px 40px; margin: 0 auto; }
.footer-brand { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; }
.footer-inner p { margin-top: 4px; color: var(--quiet); font-size: 12px; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--muted); font-size: 12px; }
.footer-inner nav a { display: inline-flex; align-items: center; min-height: 44px; }
.footer-inner nav a:hover { color: var(--text); }
.announcement { position: fixed; z-index: 10; bottom: 20px; right: 24px; max-width: min(390px, calc(100vw - 48px)); color: var(--text); background: #080808; font-size: 12px; }
.announcement:not(:empty) { padding: 12px 20px; border: 1px solid var(--line-strong); border-radius: var(--radius); }
.noscript { padding: 24px; }
body:has(noscript .noscript) .loading-preview { display: none; }

textarea { font: inherit; color: inherit; background: var(--surface); border: 1px solid var(--field-line); border-radius: var(--radius); padding: 12px; resize: vertical; width: 100%; caret-color: var(--text); }
.profile-heading { display: flex; gap: 20px; align-items: center; }
.profile-initials { display: grid; place-items: center; width: 52px; height: 52px; border-radius: var(--radius-panel); background: var(--surface-raised); }
.profile-form > .info-label { margin-bottom: var(--space-8); }
.profile-form .button { margin-top: 20px; }
.account-aside { display: grid; gap: 24px; min-width: 0; align-content: start; }
.account-aside > .small-copy { overflow-wrap: anywhere; }
.sessions-panel { min-width: 0; padding: var(--panel-gutter); background: var(--surface); border-radius: var(--radius-panel); }
.sessions-panel h2 { font-size: 18px; }
.sessions-panel > .section-title { margin-bottom: 0; }
.session-list { display: grid; gap: var(--space-16); margin: var(--space-24) 0; padding: 0; list-style: none; }
.session-list > li { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.session-info { min-width: 0; overflow-wrap: anywhere; }
.session-list small { display: block; color: var(--muted); font-size: 12px; }
.session-list .button { flex-shrink: 0; padding: 12px 12px; }
.sessions-empty { margin: var(--space-16) 0 var(--space-24); color: var(--muted); font-size: 13px; }
.session-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.session-actions .button { width: 100%; min-width: 0; padding: 12px 12px; white-space: normal; overflow-wrap: anywhere; }
.device-serial { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.device-name-form { display: grid; gap: var(--space-8); margin-top: var(--space-24); min-width: 0; }
.device-name-form input { width: 100%; }
.device-name-form label { margin: 0; }
.device-name-form > .field-note { margin-top: 0; }
.device-name-form > input + .info-label { margin-top: var(--space-16); }
.device-panel .device-name-form > select { margin: 0; }
.device-name-form > .button { justify-self: start; max-width: 100%; margin-top: var(--space-8); white-space: normal; }
.prepare-notice { margin-top: 12px; }
.prepare-notice .badge { margin-right: 8px; }
.workspace-loading { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.workspace-loading-indicator { display: inline-block; width: 12px; height: 12px; border: 1px solid var(--line-strong); border-top-color: var(--text); border-radius: 50%; }
[aria-busy="true"] .workspace-loading-indicator { animation: workspace-pending 900ms linear infinite; }
@keyframes workspace-pending { to { transform: rotate(360deg); } }
progress[data-operation-progress] { display: block; width: 100%; height: 6px; margin: 16px 0; accent-color: var(--text); }
progress[data-operation-progress][hidden] { display: none; }
progress[data-operation-progress]::-webkit-progress-bar { background: var(--line); border-radius: 3px; }
progress[data-operation-progress]::-webkit-progress-value { background: var(--text); border-radius: 3px; transition: none; }
progress[data-operation-progress]::-moz-progress-bar { background: var(--text); transition: none; }
@media (prefers-reduced-motion: reduce) {
  [aria-busy="true"] .workspace-loading-indicator { animation: none; }
  progress[data-operation-progress]::-webkit-progress-value { transition: none; }
  progress[data-operation-progress]::-moz-progress-bar { transition: none; }
}
.device-list { display: grid; gap: var(--space-24); margin-top: var(--space-24); }
.device-panel { padding: var(--panel-gutter); background: var(--surface); border-radius: var(--radius-panel); min-width: 0; }
.device-body { display: flex; align-items: center; gap: var(--space-24); }
.device-nano { width: 88px; height: auto; flex-shrink: 0; }
.device-body .firmware-facts { flex: 1; min-width: 0; margin-block: var(--space-16); }
.device-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: var(--space-16) 0; }
.device-panel select, .run-panel select { width: 100%; margin: var(--space-8) 0 0; }
.device-panel > .section-title { margin-bottom: var(--space-16); }
.device-panel > .info-label + .small-copy { margin-top: var(--space-8); }
.device-panel .device-actions .button { max-width: 100%; white-space: normal; }
.device-current-role { margin-top: var(--space-16); }
.device-current-role > label { display: block; font-size: 13px; }
.device-current-role > .small-copy { margin-top: var(--space-8); }
.device-role-summary { margin-top: var(--space-12); font-size: 13px; }
.device-readiness { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-16); margin-block: var(--space-16); }
.device-readiness > div { display: block; min-width: 0; padding: 0; }
.device-readiness dd { margin-top: var(--space-4); color: var(--text); font-size: 13px; text-align: left; }
.device-details, .device-management { min-width: 0; margin-top: var(--space-16); border-top: 1px solid var(--line); }
.device-details summary, .device-management summary { min-height: 44px; padding-block: 12px; font-size: 13px; }
.device-details .firmware-facts { margin-block: var(--space-12); }
.device-management .device-name-form { margin-top: var(--space-12); }
.device-management > p { margin-top: var(--space-12); }
.saved-device-tools { margin-top: var(--space-16); }
.saved-device-tools summary { min-height: 44px; padding-block: 12px; font-size: 13px; }
.run-panel > .button { width: 100%; min-height: 44px; margin-top: var(--space-16); }
.run-target { display: grid; gap: 8px; margin-top: 16px; }
.run-target select { margin: 0; }
.run-actions { display: grid; gap: 12px; margin-top: 12px; }
.run-actions .device-actions { display: grid; gap: 12px; margin: 0; }
.run-actions .button { width: 100%; min-height: 44px; margin: 0; }
[data-progress-track] { height: 5px; width: 100%; margin-top: 16px; overflow: hidden; border-radius: 3px; background: #242424; }
[data-progress-fill] { width: 100%; height: 100%; background: #ccc; transform: scaleX(0); transform-origin: left center; }
.workspace-notice { padding: 16px 20px; margin-bottom: 24px; background: var(--surface); border-radius: var(--radius); }
button:disabled { opacity: 1; color: #a4a4a0; }
@media (max-width: 600px) { :root { --panel-gutter: var(--space-16); } .device-body { align-items: start; gap: 16px; } .device-nano { width: 52px; } .session-actions { grid-template-columns: 1fr; } }

.loading-preview { padding-top: 12px; min-height: 530px; }
.skeleton { background: #171717; border-radius: var(--radius); }
.skeleton-label { width: 180px; height: 10px; }
.skeleton-heading { width: min(440px, 80%); height: 45px; margin-top: 28px; }
.skeleton-line { width: min(470px, 90%); height: 12px; margin-top: 28px; margin-bottom: 92px; }
.skeleton-row { width: 100%; height: 86px; margin-top: 20px; background: #0b0b0b; border-radius: var(--radius-panel); }

@media (max-width: 1200px) {
  .header-inner { gap: 20px; padding-right: 28px; padding-left: 28px; }
  .page, .footer-inner { padding-right: 28px; padding-left: 28px; }
  .overview-layout { grid-template-columns: minmax(0, 1fr) 260px; gap: 24px; }
  .detail-layout, .account-layout { grid-template-columns: minmax(0, 1fr) 270px; gap: 28px; }
  .guide-layout, .walkthrough-layout { grid-template-columns: minmax(0, 1fr) 240px; gap: 28px; }
  .auth-layout { gap: 40px; }
  .workspace-stats { gap: var(--space-16); }
  .radio-link { padding: 0 12px; }
}

@media (min-width: 901px) and (max-width: 1100px) {
  .overview-layout { grid-template-columns: minmax(0, 1fr); }
  .workspace-aside { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .resource-panel { margin-top: 0; }
  .detail-layout, .account-layout, .guide-layout, .walkthrough-layout, .auth-layout { grid-template-columns: 1fr; gap: 36px; }
  .auth-main, .auth-aside { max-width: 440px; width: 100%; margin: 0 auto; }
  .preview-label { display: none; }
  .header-account { margin-left: auto; }
}

@media (max-width: 900px) {
  .workspace-shell { margin-left: 0; }
  .header-inner { min-height: 72px; padding: 16px 24px; gap: 20px; flex-wrap: wrap; }
  .header-brand { display: inline-flex; align-items: center; }
  .menu-toggle, .sidebar-close { display: inline-flex; justify-content: center; align-items: center; min-width: 44px; min-height: 44px; padding: 8px; background: var(--surface-raised); border: 0; font-size: 12px; }
  .sidebar-close { font-size: 22px; background: transparent; }
  .menu-toggle:is(:hover, :focus-visible), .sidebar-close:is(:hover, :focus-visible) { background: var(--button-secondary-hover); }
  .sidebar { width: min(280px, calc(100vw - 32px)); }
  .sidebar-backdrop { display: block; position: fixed; z-index: 25; inset: 0; width: 100%; height: 100%; border: 0; border-radius: 0; background: rgb(0 0 0 / .7); }
  .menu-open { overflow: hidden; }
  .breadcrumb > span:not(:last-child), .preview-label { display: none; }
  .header-account { margin-left: auto; }
  .account-link { max-width: min(36vw, 220px); }
  .page { padding: 32px 24px 60px; }
  .footer-inner { padding-right: 24px; padding-left: 24px; }
}

@media (max-width: 760px) {
  .header-account { gap: 16px; font-size: 13px; }
  .workspace-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-8) var(--space-16); margin-bottom: var(--space-24); }
  .overview-layout { grid-template-columns: 1fr; gap: 32px; }
  .workspace-aside { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; }
  .resource-panel { margin-top: 8px; }
  .progress-guest { padding: 28px; }
  .completion-meter { width: 100%; }
  .page-intro { display: block; margin-bottom: 32px; }
  .page-intro.compact-intro { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 28px; }
  .page-intro.compact-intro > .button { margin: 0; }
  .page-intro h1 { margin-top: 16px; }
  .intro-copy { margin-top: 20px; font-size: 14px; }
  .catalog-intro > .button { margin-top: 24px; }
  .catalog-toolbar { align-items: stretch; gap: var(--space-16); }
  .catalog-label { width: 100%; }
  .filters { width: 100%; }
  .filters input { flex: 1; width: 0; }
  .filters select { width: 145px; }
  .box-grid { gap: var(--space-16); }
  .box-description { font-size: 12px; }
  .detail-number { display: none; }
  .detail-layout, .account-layout { grid-template-columns: 1fr; gap: 40px; }
  .detail-intro { display: grid; grid-template-columns: minmax(0, 1fr) 144px; gap: 16px; margin-bottom: 32px; }
  .detail-cover { max-width: 144px; }
  .detail-cover .box-nano { height: 96px; }
  .back-link { margin-bottom: 16px; }
  .metadata { gap: 16px; }
  .content-section { margin-bottom: var(--space-32); }
  .section-title { gap: 16px; flex-wrap: wrap; }
  .hints summary { gap: 20px; }
  .guide-layout, .walkthrough-layout { grid-template-columns: 1fr; gap: 40px; }
  .guide-aside { padding-top: 28px; }
  .guide-aside .device-diagram { max-width: 350px; margin-right: auto; margin-left: auto; }
  .guide-step { gap: 16px; grid-template-columns: 24px minmax(0, 1fr); }
  .guide-step h2 { font-size: 19px; }
  .guide-step p { font-size: 12px; }
  .service-panel { padding: 24px; }
  .service-heading h2 { font-size: 20px; }
  .auth-layout { grid-template-columns: 1fr; gap: 44px; padding: 4px 0 0; }
  .auth-main { max-width: 440px; width: 100%; margin: 0 auto; }
  .auth-main h1 { font-size: 38px; }
  .auth-aside { max-width: 440px; margin: 0 auto; padding-top: 24px; }
  .auth-aside h2 { max-width: none; font-size: 24px; }
  .account-layout { margin-top: 0; }
  .account-layout .section-title > span { font-size: 12px; }
  .page-intro > [data-action="logout"] { margin-top: 24px; }
  .legal-content h1 { font-size: 40px; }
  .footer-inner { align-items: flex-start; padding: 24px 24px; gap: 20px; }
  .footer-inner nav { gap: 20px; }
  .footer-inner p { max-width: 205px; }
  .desktop-break { display: none; }
}

@media (max-width: 600px) {
  .filters input { flex: 1 0 100%; width: 100%; }
  .filters select { flex: 1; min-width: 0; }
  .account-membership-summary { grid-template-columns: minmax(0, 1fr); }
  .auth-shell .page { padding: 32px 20px; }
  .info-trigger { width: 44px; min-width: 44px; height: 44px; min-height: 44px; }
  .box-grid, .workspace-aside { grid-template-columns: 1fr; }
  .box-card-body { padding: var(--panel-gutter); }
  .box-art { min-height: 195px; }
  .recommended-box { grid-template-columns: 88px minmax(0, 1fr); gap: 12px; }
  .recommended-box .box-art { height: 88px; }
  .recommended-box .box-nano { height: 80px; }
  .recommended-body h3 { font-size: 22px; }
  .preparation-options { grid-template-columns: minmax(0, 1fr); gap: var(--space-24); }
  .preparation-option + .preparation-option { padding-top: var(--space-24); border-top: 1px solid var(--line); }
  .detail-intro { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .detail-cover { max-width: 132px; }
  .detail-cover .box-nano { height: 84px; }
  .breadcrumb { display: none; }
  .header-inner { padding-right: 20px; padding-left: 20px; }
  .header-account { gap: 16px; }
  .header-account .button { min-height: 44px; }
  .menu-toggle { min-height: 44px; }
  .progress-summary { padding: var(--panel-gutter); }
  .account-boxes a { padding: 20px; gap: 16px; }
  .account-boxes a > span:last-child { font-size: 12px; }
}

@media (max-width: 380px) {
  .sidebar-brand { padding-inline: 0; }
  .wordmark { flex-shrink: 1; flex-wrap: wrap; overflow-wrap: anywhere; }
  .header-account { gap: 12px; font-size: 12px; }
  .header-account .button { padding: 8px 8px; font-size: 12px; }
  .page { padding-right: 20px; padding-left: 20px; }
  .filters select { width: 132px; }
  .input-action { flex-direction: column; }
  .input-action .button { width: 100%; }
  .service-heading .eyebrow { font-size: 12px; }
  .service-panel { padding: 20px; }
  .collection-list a { padding-right: 16px; padding-left: 16px; gap: 12px; }
  .collection-list small { max-width: 125px; }
  .footer-inner { padding-right: 20px; padding-left: 20px; }
  .footer-inner nav { gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}

.paired-preparation .paired-summary { margin-top: var(--space-12); color: var(--text); font-size: 14px; }
.paired-preparation .paired-devices { margin-top: var(--space-24); }
.paired-device { min-width: 0; overflow-wrap: anywhere; }
.paired-device + .paired-device { margin-top: var(--space-24); padding-top: var(--space-24); border-top: 1px solid var(--line); }
.paired-device-heading { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: var(--space-8) var(--space-16); margin-bottom: var(--space-12); }
.paired-device-heading h4 { min-width: 0; font-size: 16px; }
.paired-device-status { color: var(--muted); font-size: 12px; }
.paired-device > label { display: block; margin-bottom: var(--space-8); color: var(--muted); font-size: 12px; }
.paired-device > select { width: 100%; min-width: 0; max-width: 100%; margin: 0; text-overflow: ellipsis; }
.paired-device > p { margin-top: var(--space-8); }
.paired-device .selected-target { margin-top: var(--space-8); }
.paired-device .paired-build-status { overflow-wrap: anywhere; }
.paired-device .paired-device-phase:empty { margin: 0; }
.paired-recovery { margin-top: var(--space-12); }
.paired-recovery > summary { min-height: 44px; padding-block: var(--space-12); color: var(--muted); font-size: 12px; }
.paired-recovery > p { margin-top: var(--space-8); }
.paired-recovery .device-actions { margin-top: var(--space-12); }
.paired-recovery .device-actions .button { flex: 1 1 160px; }
.paired-attacker-list { display: grid; gap: var(--space-12); margin: var(--space-12) 0 0; padding: 0; list-style: none; }
.paired-attacker-list li { display: grid; gap: var(--space-4); min-width: 0; font-size: 13px; overflow-wrap: anywhere; }
.paired-attacker-list .mono { color: var(--muted); font-size: 12px; }
.paired-requirements { margin: var(--space-16) 0 var(--space-24); padding-left: 20px; color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.paired-requirements li + li { margin-top: var(--space-8); }
.paired-preparation .investigation-step .device-actions { margin-top: var(--space-16); }
.device-interaction { display: inline-flex; align-items: center; gap: 8px; max-width: 100%; color: var(--text); font-size: 12px; line-height: 1.5; }
.device-interaction svg { flex: 0 0 16px; }
.box-interactions { margin-top: var(--space-24); }
.box-interactions > ul { display: grid; gap: var(--space-16); margin: var(--space-12) 0 0; padding-left: 20px; }
.box-interactions li { min-width: 0; padding-left: 2px; overflow-wrap: anywhere; }
.box-interactions li > p { max-width: 70ch; color: var(--muted); font-size: 13px; }
.box-interactions li > p + p { margin-top: var(--space-4); }
.box-interactions strong { color: var(--text); font-weight: 500; }
.activation-instructions { margin-top: var(--space-16); }
.activation-instructions > ul { margin-top: var(--space-8); }
.document-list { margin: var(--space-16) 0 0; padding: 0; list-style: none; }
.document-list > li { display: flex; align-items: center; justify-content: space-between; gap: var(--space-16); min-width: 0; padding-block: var(--space-16); border-bottom: 1px solid var(--line); }
.document-description { min-width: 0; overflow-wrap: anywhere; }
.box-documents .document-description h3 { margin-top: 0; font-size: 15px; }
.document-description p { margin-top: var(--space-4); }
.document-list .button { flex: 0 0 auto; min-height: 44px; }
.box-documents .document-status:empty { margin: 0; }
@media (max-width: 600px) {
  .paired-preparation .investigation-step .button { width: 100%; }
  .paired-recovery .device-actions .button { flex-basis: 100%; }
  .document-list > li { align-items: flex-start; flex-direction: column; gap: var(--space-12); }
  .document-list .button { width: 100%; }
}

.account-data-panel { margin-top: var(--space-32); padding-top: var(--space-24); border-top: 1px solid var(--line); }
.account-data-panel > h2 { font-size: 18px; }
.account-data-panel > p { margin-top: var(--space-12); }
.account-data-panel > .device-actions { margin-top: var(--space-12); }
.account-deletion { margin-top: var(--space-24); }
.account-deletion > summary { font-size: 14px; }
.account-deletion > p { margin-top: var(--space-12); max-width: 65ch; font-size: 13px; color: var(--muted); }
.account-deletion > .account-form { margin-top: var(--space-16); max-width: 540px; }
.account-deletion .deletion-confirm { display: flex; gap: var(--space-12); align-items: flex-start; min-height: 44px; padding: 12px 0; margin-top: var(--space-16); }
.account-deletion .deletion-confirm > input { width: 18px; height: 18px; min-height: 18px; flex: 0 0 18px; padding: 0; margin: 3px 0 0; accent-color: var(--text); }
.account-deletion .deletion-confirm > span { font-size: 13px; }
.account-deletion button[type="submit"] { margin-top: var(--space-16); }
.account-data-panel .form-message:empty { display: none; }
.legal-content table { width: 100%; table-layout: fixed; border-collapse: collapse; margin-top: var(--space-16); }
.legal-content th, .legal-content td { padding: 12px 8px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); font-size: 13px; line-height: 1.7; overflow-wrap: anywhere; }
.legal-content th:first-child, .legal-content td:first-child { width: 34%; padding-left: 0; }
.legal-content th:last-child, .legal-content td:last-child { padding-right: 0; }
.legal-content td { color: var(--muted); }

@media (max-width: 1000px) {
  .public-page-content { padding-inline: 28px; }
}
@media (max-width: 700px) {
  .public-page-content { padding-inline: 24px; }
}
@media (max-width: 400px) {
  .public-page-content { padding-inline: 20px; }
}

.catalog-guest-note { margin-bottom: var(--space-24); }

.membership-price-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; }
.membership-standard-price { color: var(--muted); font-size: 16px; line-height: 1.6; letter-spacing: normal; }
.membership-standard-price s { text-decoration-thickness: 1px; }

.foundations { margin: 0 0 var(--space-40); }
.foundation-paths { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-32); margin-top: var(--space-24); }
.foundation-path { border-top: 1px solid var(--line-strong); padding-top: var(--space-24); min-width: 0; }
.foundation-path h3 { margin: 0; }
.foundation-path > p { color: var(--muted); max-width: 52ch; }
.foundation-steps { margin-top: var(--space-24); }
.foundation-steps ol { padding-left: var(--space-24); }
.foundation-steps li { padding: var(--space-8) 0; color: var(--muted); }
.foundation-steps a { display: block; padding-left: var(--space-8); color: var(--text); }
.foundation-steps small { display: block; color: var(--muted); margin-top: 4px; line-height: 1.5; }
.foundation-steps [aria-current="step"] > span { text-decoration: underline; text-underline-offset: 4px; }
.foundation-step-label { display: block; margin-top: var(--space-8); color: var(--muted); }
.hardware-free-detail .box-submit { grid-column: 1 / -1; }
.full-walkthrough { margin-top: var(--space-24); }
.full-walkthrough > summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-16); }
.full-walkthrough [data-video-slot] { position: relative; aspect-ratio: 16 / 9; background: #000; }
.walkthrough-play { position: absolute; inset: 0; display: block; width: 100%; height: 100%; padding: 0; border: 0; border-radius: 0; background: #000; color: var(--text); text-align: left; }
.walkthrough-play > img { display: block; width: 100%; height: 100%; object-fit: contain; }
.walkthrough-play-label { position: absolute; left: var(--space-16); bottom: var(--space-16); display: inline-flex; align-items: center; gap: var(--space-8); min-height: 44px; padding: var(--space-8) var(--space-12); border-radius: var(--radius); background: var(--surface-raised); font-size: 13px; }
.walkthrough-play:hover .walkthrough-play-label { background: var(--button-secondary-hover); }
.walkthrough-play:focus-visible { outline-offset: -4px; }
.full-walkthrough video { position: absolute; inset: 0; display: block; width: 100%; height: 100%; background: #000; color-scheme: dark; }
.full-walkthrough > .small-copy { display: flex; flex-wrap: wrap; gap: var(--space-16); }
.full-walkthrough > .walkthrough-chapters { margin: var(--space-16); }
.walkthrough-chapters ol { margin: 0; padding: 0 var(--space-16) var(--space-8); list-style: none; }
.walkthrough-chapters button { display: flex; align-items: baseline; width: 100%; min-height: 44px; gap: var(--space-16); padding: var(--space-12) 0; text-align: left; background: none; border: 0; color: var(--text); }
.walkthrough-chapters button span { font-variant-numeric: tabular-nums; color: var(--muted); flex: 0 0 4ch; }
.walkthrough-chapters button:hover { text-decoration: underline; }
@media (max-width: 700px) { .foundation-paths { grid-template-columns: 1fr; } }

.google-button img { display: block; width: 18px; height: 18px; flex: 0 0 18px; }
.google-entry { display: grid; gap: 22px; margin: 28px 0 24px; }
.google-entry > .google-button { width: 100%; }
.auth-alternative { color: var(--muted); font-size: 12px; text-align: center; }
.sign-in-settings { max-width: 680px; margin-block: 36px; }
.sign-in-settings > h2 { margin-bottom: 20px; }
.sign-in-settings details { margin-block: 16px; }
.sign-in-settings summary { cursor: pointer; padding-block: 8px; }
.sign-in-settings .account-form { max-width: 420px; margin-top: 20px; }
.google-connection { margin-top: 28px; }
.account-deletion .google-button { margin-block: 12px; }

.catalog-toolbar .filters { flex: 1; justify-content: flex-end; }
.catalog-more { margin-bottom: var(--space-8); }
.catalog-more > summary { width: fit-content; min-height: 44px; padding-block: var(--space-12); color: var(--muted); font-size: 13px; }
.catalog-filter-grid { display: grid; grid-template-columns: minmax(200px, 2fr) minmax(140px, 1fr) minmax(140px, 1fr); gap: var(--space-16); padding-block: var(--space-8) var(--space-16); }
.catalog-filter-grid > div { min-width: 0; }
.catalog-filter-grid label { display: block; margin-bottom: var(--space-8); font-size: 13px; color: var(--muted); }
.catalog-filter-grid input, .catalog-filter-grid select { width: 100%; }
.catalog-filter-grid .catalog-checkbox { display: flex; align-items: center; gap: var(--space-8); grid-column: 1 / -1; margin: 0; min-height: 44px; width: fit-content; color: var(--text); }
.catalog-checkbox input { min-height: 20px; width: 20px; height: 20px; margin: 0; accent-color: var(--text); }
.catalog-result-line { display: flex; align-items: center; flex-wrap: wrap; justify-content: space-between; gap: var(--space-12); margin-bottom: var(--space-16); }
.catalog-result-line .result-count { margin: 0; }
.catalog-clear { border: 0; background: transparent; min-height: 44px; padding: var(--space-8); color: var(--muted); font-size: 13px; }
.catalog-clear:is(:hover, :focus-visible) { color: var(--text); text-decoration: underline; text-underline-offset: 4px; }
.walkthrough-label { color: var(--text); }
.next-lab-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-16); margin-top: var(--space-16); }
[data-recovered-result] [data-copy-recovered-flag] { display: block; margin-top: var(--space-12); }
@media (max-width: 600px) {
  .catalog-filter-grid { grid-template-columns: minmax(0, 1fr); }
  .catalog-toolbar .filters { justify-content: stretch; }
  .catalog-filter-grid input, .filters input, .filters select { font-size: 16px; }
  .next-lab-actions .button { max-width: 100%; white-space: normal; }
}

.creator-credit { color: #b397ce; font-size: 13px; }
.creator-credit a { color: inherit; text-underline-offset: 3px; }