:root {
  color-scheme: dark;
  --bg: #12161b; --surface: #1c222a; --surface-raised: #232c36;
  --line: #35414d; --text: #edf2f7; --muted: #b3bfcb; --accent: #a9cef7;
  --button: #accdf1; --button-text: #14293f; --code: #171d24; --focus: #f0c78d;
  --dim: var(--muted); --fg: var(--text); --border: var(--line); --panel: var(--surface);
}
html[data-theme=light] {
  color-scheme: light;
  --bg: #f5f7fa; --surface: #fff; --surface-raised: #edf2f7;
  --line: #ccd7e1; --text: #202e3e; --muted: #536477; --accent: #235b94;
  --button: #235b94; --button-text: #fff; --code: #eaf0f6; --focus: #885316;
}
@media (prefers-color-scheme: light) {
  html:not([data-theme=dark]) {
    color-scheme: light;
    --bg: #f5f7fa; --surface: #fff; --surface-raised: #edf2f7;
    --line: #ccd7e1; --text: #202e3e; --muted: #536477; --accent: #235b94;
    --button: #235b94; --button-text: #fff; --code: #eaf0f6; --focus: #885316;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.75 system-ui,-apple-system,'Segoe UI',sans-serif; }
[hidden] { display: none !important; }
a { color: var(--accent); text-underline-offset: 4px; }
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }
html { scroll-padding-top: 90px; }
button,input,select { font: inherit; }
code { font: 12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; background: var(--code); padding: 2px 4px; border-radius: 3px; }
pre { overflow: auto; max-width: 100%; }
pre code { display: block; padding: 12px; }
.wb-skip { position: fixed; z-index: 100; left: 18px; top: -80px; padding: 8px 14px; background: var(--surface); border: 1px solid var(--line); }
.wb-skip:focus { top: 10px; }
.wb-site-header { position: sticky !important; top: 0; z-index: 40; margin: 0 !important; padding: 0 !important; width: 100%; background: var(--bg); color: var(--text); border-bottom: 1px solid var(--line); }
.wb-site-bar { max-width: 1160px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 24px; }
.wb-site-brand { display: flex; flex: none; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-size: 18px; font-weight: 700; }
.wb-site-brand img { width: 32px !important; height: 32px !important; }
.wb-site-brand small { display: block; color: var(--muted); font-size: 10px; letter-spacing: .05em; font-weight: 400; }
.wb-site-nav { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin: 0 !important; font-size: 13px; }
.wb-site-nav a { color: var(--muted); text-decoration: none; border: 0; border-radius: 0; padding: 0; background: none; white-space: nowrap; }
.wb-site-nav a:hover,.wb-site-nav a[aria-current] { color: var(--text); background: none; }
.wb-site-nav a[aria-current] { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 8px; }
.wb-site-nav button,.wb-menu-button { color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 5px; padding: 5px 9px; font-size: 12px; cursor: pointer; }
.wb-menu-button { display: none; }
.wb-home { max-width: 1160px; margin: auto; padding: 28px 24px 48px; }
.wb-intro { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 48px; padding: 8px 0 30px; }
.wb-eyebrow { font: 11px/1.8 ui-monospace,monospace; letter-spacing: .055em; color: var(--muted); }
.wb-intro h1,.wb-page-title { font-size: 42px; font-weight: 650; line-height: 1.26; letter-spacing: -.045em; margin: 10px 0 16px; }
.wb-lead { font-size: 17px; line-height: 1.8; color: var(--muted); margin: 0 0 20px; }
.wb-intro-links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13px; }
.wb-preview { margin: 0; min-width: 0; padding: 6px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); box-shadow: 0 12px 36px #00000015; }
.wb-preview-top { display: flex; gap: 6px; align-items: center; padding: 8px 10px; font: 10px/1.6 ui-monospace,monospace; color: var(--muted); }
.wb-preview-top i { width: 5px; height: 5px; background: var(--line); border-radius: 50%; }
.wb-preview-top span { margin-left: auto; }
.wb-preview img { display: block; width: 100%; height: clamp(200px,18vw,260px); object-fit: cover; object-position: center; border-radius: 4px; border: 1px solid var(--line); }
.wb-preview figcaption { font-size: 11px; color: var(--muted); padding: 7px 10px 4px; line-height: 1.7; }
.wb-note { color: var(--muted); font-size: 12px !important; line-height: 1.9; }
.wb-section { border-top: 1px solid var(--line); padding: 26px 0; }
.wb-section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; margin-bottom: 16px; }
.wb-section-heading h2,.wb-section h2 { margin: 0; font-size: 21px; font-weight: 600; line-height: 1.5; letter-spacing: -.025em; }
.wb-section-heading a { font-size: 13px; white-space: nowrap; }
.wb-downloads { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.download { min-width: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 18px; }
.download h3 { display: flex; align-items: center; gap: 9px; margin: 7px 0 16px; font-size: 20px; line-height: 1.5; font-weight: 650; letter-spacing: -.025em; }
.wb-os-icon { width: 20px; height: 20px; color: var(--muted); flex: none; }
.button { display: flex; justify-content: space-between; align-items: center; gap: 8px; color: var(--button-text); background: var(--button); border: 1px solid transparent; border-radius: 5px; padding: 9px 11px; text-decoration: none; font-size: 12px; font-weight: 650; }
.button:hover { filter: brightness(1.05); color: var(--button-text); }
.wb-file { font: 11px/1.9 ui-monospace,monospace; font-variant-numeric: tabular-nums; color: var(--muted); overflow-wrap: anywhere; margin: 12px 0; }
.download details { padding-top: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.download details code { display: block; padding: 10px; margin: 10px 0; }
summary { cursor: pointer; }
.wb-install { color: var(--muted); font-size: 13px; }
.wb-resource-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 32px; }
.wb-resource { min-width: 0; display: block; color: var(--text); text-decoration: none; border-bottom: 1px solid var(--line); padding: 16px 0; }
.wb-resource strong { display: flex; justify-content: space-between; gap: 12px; font-size: 15px; font-weight: 550; }
.wb-resource strong span { color: var(--muted); }
.wb-resource>span { font-size: 13px; color: var(--muted); }
.wb-resource:hover strong { color: var(--accent); }
.wb-utility-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 20px; font-size: 13px; }
.wb-footer { max-width: 1160px; margin: auto; padding: 22px 24px; border-top: 1px solid var(--line); color: var(--muted); display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 12px; }
.wb-footer p { width: 100%; margin: 0; }
.wb-footer a { color: var(--muted); }
.wb-editions { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 28px 0; }
.wb-editions article { padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.wb-editions h2 { font-size: 27px; margin: 5px 0 10px; }
.wb-editions p,.wb-editions li { color: var(--muted); font-size: 14px; }
.wb-editions ul { padding-left: 20px; line-height: 2; }
.wb-editions article>code { display: block; margin: 12px 0 0; padding: 10px; }
.wb-edition-downloads { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px; }
.wb-edition-downloads article { min-width:0;padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--surface); }
.wb-edition-downloads h3 { margin:4px 0 10px;font-size:25px;line-height:1.4;letter-spacing:-.025em; }
.wb-edition-downloads .button { margin-top:18px; }
.wb-edition-downloads .wb-note { margin-bottom:0; }
.wb-edition-status { margin:24px 0;padding:16px 20px;border-left:3px solid var(--accent);background:var(--surface); }
.wb-edition-status p { margin:6px 0 0; }
.wb-edition-source { display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:12px 0 28px; }
.wb-edition-source>div { min-width:0; }
.wb-edition-source h2 { font-size:20px;line-height:1.5; }
.wb-edition-source pre { margin:14px 0; }
.wb-edition-source code { font-size:14px;line-height:1.9; }
.wb-edition-source .button { max-width:360px; }
.wb-edition-platforms { display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px; }
.wb-edition-platforms article { min-width:0;padding:14px;border:1px solid var(--line);border-radius:7px; }
.wb-edition-platforms h3 { margin:0;font-size:17px; }
.wb-edition-platforms p { font-size:12px; }
.wb-pending { display:inline-block;border:1px solid var(--line);border-radius:4px;padding:3px 7px;font-size:11px;color:var(--muted); }
@media(max-width:760px) { .wb-edition-downloads,.wb-edition-source { grid-template-columns:minmax(0,1fr);gap:16px; }.wb-edition-platforms { grid-template-columns:repeat(2,minmax(0,1fr)); }.wb-edition-downloads article { padding:18px; } }
@media(max-width:430px) { .wb-edition-platforms { grid-template-columns:minmax(0,1fr); } }
.wb-inline-code { display: inline; }
.wb-doc-body { padding: 0 !important; max-width: none !important; }
.wb-doc-body>main { color: var(--text); overflow-wrap: anywhere; }
.wb-doc-body>main:not(.wb-home):not(.lesson):not(.library) { max-width: 1100px; margin: auto; padding: 32px 24px 50px; }
.wb-doc-body main h1,.wb-doc-body main h2,.wb-doc-body main h3 { color: var(--text); letter-spacing: -.025em; }
.wb-doc-body main h1 { line-height: 1.35; }
.wb-doc-body main p { color: var(--muted); line-height: 1.85; }
.wb-doc-body main .calc-error { color: var(--focus); }
.wb-doc-body main .eyebrow,.wb-doc-body main .intro,.wb-doc-body main figcaption { color: var(--muted); }
.wb-doc-body main a:not(.button) { color: var(--accent); }
.wb-doc-body main .scope,.wb-doc-body main .callout,.wb-doc-body main .register-note,.wb-doc-body main article { background: var(--surface); border-color: var(--line); color: var(--text); }
.wb-doc-body main .scope strong,.wb-doc-body main .register-note strong { color: var(--text); }
.wb-doc-body main .register-note.verified { border-left: 2px solid var(--accent); }
.wb-doc-body main .summary span,.wb-doc-body main [data-pdk-entry] .status { color: var(--muted); border-color: var(--line); }
.wb-preserved-intro { margin: 0 0 24px; padding: 0; max-width: 850px; }
.wb-preserved-intro>img { display: none; }
.wb-preserved-intro h1 { font-size: 34px; margin: 8px 0 12px; }
.wb-table-scroll { overflow: auto; max-width: 100%; border: 1px solid var(--line); border-radius: 6px; margin: 16px 0; }
.wb-table-scroll table { margin: 0 !important; width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
.wb-table-scroll th { background: var(--surface); color: var(--muted); }
.wb-table-scroll td,.wb-table-scroll th { border-color: var(--line); padding: 10px 12px; line-height: 1.65; }
.wb-table-scroll tr:hover { background: var(--surface); }
.wb-lesson-outline { margin: 20px 0; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); padding: 10px 14px; color: var(--muted); font-size: 13px; }
.wb-lesson-outline nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 12px 0 4px; }
.library h1 { font-size: 34px; }
.wb-doc-body main.library { max-width: 1160px; padding: 32px 24px 64px; }
.library .lead { font-size: 15px; }
.library .lesson-filters { padding: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.library .lesson-filters input,.library .lesson-filters select { background: var(--bg); }
.library .lesson-row>a { padding: 13px 8px; }
.library .lesson-list { border: 1px solid var(--line); border-radius: 7px; overflow: hidden; }
.library .lesson-row:last-child { border-bottom: 0; }
.wb-pagination { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 18px 0; font-size: 13px; color: var(--muted); }
.wb-pagination button { padding: 7px 12px; font-size: 13px; }
.wb-pagination button:disabled { opacity: .5; cursor: default; }
.wb-library-links { display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; }
.wb-pdk-filter { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; padding: 16px; margin: 22px 0 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.wb-pdk-filter label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.wb-pdk-filter label:first-child { flex: 1; min-width: 220px; }
.wb-pdk-filter input,.wb-pdk-filter select { min-height: 42px; border: 1px solid var(--line); border-radius: 5px; padding: 7px 10px; background: var(--bg); color: var(--text); }
.wb-pdk-filter button { padding: 8px 12px; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 5px; }
.wb-pdk-count { font-size: 13px; }
.wb-doc-body main .resource-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.wb-doc-body main .resource-grid h3 { font-size: 22px; margin: 8px 0 12px; }
.wb-doc-body main .resource-grid article { border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.wb-doc-body main .resource-links { display: flex; flex-wrap: wrap; gap: 10px 16px; }
.wb-doc-body main .resource-links a { border: 0; background: none; padding: 0; border-radius: 0; font-size: 13px; text-decoration: underline; }
.wb-doc-body main .resource-links span { color: var(--muted); }
.wb-doc-body main .register-note { font-size: 12px; padding: 12px 14px; }
@media (max-width: 1000px) {
  .wb-downloads { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .wb-intro { gap: 28px; }
  .wb-site-nav { gap: 14px; font-size: 12px; }
  .wb-intro h1 { font-size: 36px; }
}
@media (max-width: 700px) {
  .wb-site-bar { flex-wrap: wrap; gap: 12px; padding: 12px 18px; }
  .wb-menu-button { display: block; margin-left: auto; }
  .wb-site-nav { display: none; flex-basis: 100%; gap: 15px 20px; padding: 12px 0 4px; border-top: 1px solid var(--line); }
  .wb-site-nav[data-open] { display: flex; }
  .wb-site-nav a { font-size: 13px; }
  .wb-site-nav button { margin-left: auto; }
  .wb-home { padding: 24px 18px 32px; }
  .wb-intro { grid-template-columns: 1fr; gap: 20px; padding: 0 0 24px; }
  .wb-intro h1,.wb-page-title { font-size: 34px; }
  .wb-preview { display: none; }
  .wb-section-heading { align-items: flex-start; gap: 10px; flex-direction: column; }
  .wb-resource-grid,.wb-editions { grid-template-columns: 1fr; }
  .wb-footer { padding: 18px; }
  .wb-doc-body>main:not(.wb-home):not(.lesson):not(.library) { padding: 24px 18px 38px; }
  .wb-doc-body main.library,.wb-doc-body main.lesson { padding: 24px 18px 48px; }
  .wb-doc-body main .resource-grid { grid-template-columns: 1fr; }
  .wb-preserved-intro h1,.library h1 { font-size: 29px; }
  .wb-pdk-filter label { flex: 1; min-width: 170px; }
  .wb-pdk-filter label:first-child { min-width: 100%; }
  .wb-table-scroll table { min-width: 600px; }
  .wb-pagination { flex-wrap: wrap; }
}
@media (max-width: 430px) {
  .wb-downloads { grid-template-columns: 1fr; }
  .wb-intro h1 { font-size: 31px; }
  .wb-lead { font-size: 16px; }
}
@media print {
  html,html[data-theme] { --bg: #fff; --surface: #fff; --surface-raised: #fff; --text: #000; --muted: #333; --line: #777; --accent: #12446b; --code: #f3f3f3; }
  .wb-site-header,.wb-skip,.wb-lesson-outline,.wb-pagination,.wb-menu-button { display: none !important; }
  body { color: #000; background: #fff; }
  .wb-table-scroll { overflow: visible; }
  .wb-table-scroll table { min-width: 0; }
}
.wb-system{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,320px);gap:20px;padding:20px;border:1px solid var(--line,#454851);border-radius:12px;margin:24px 0;background:var(--surface,#202329)}
.wb-system p{margin:8px 0;font-size:14px}.wb-system small{color:var(--muted,#9da6b1);font-size:12px}.wb-system label{display:grid;gap:8px;font-size:13px}.wb-system select{color:inherit;background:var(--bg,#17191f);border:1px solid var(--line,#454851);border-radius:6px;padding:10px;max-width:100%;width:100%}.wb-system .button{margin-top:10px}.wb-edition-platforms [data-recommended]{outline:2px solid var(--accent,#91b9d4)}.wb-recommended{display:block;font-size:12px;color:var(--accent,#91b9d4);margin-bottom:10px}.wb-recommended[hidden],[data-system-action][hidden]{display:none}.wb-source-details>summary{cursor:pointer;font-size:18px;font-weight:650}.wb-source-details[open]>summary{margin-bottom:24px}.wb-edition-platforms details a{display:block;margin-top:8px}.wb-edition-platforms code{overflow-wrap:anywhere}
@media(max-width:640px){.wb-system{grid-template-columns:1fr;padding:16px;gap:16px}}