/* Zephyr-only layout. Original article markup, anchors and site branding remain intact. */
.zv-toolbar,.zv-layout,body #zv-full > :is(.page-grid,.doc-layout) { width:min(1280px,calc(100% - 64px)); margin:28px auto; padding:0; color:var(--ink,#24282d); font-family:var(--site-font,"Segoe UI","Malgun Gothic",sans-serif); letter-spacing:0; }
.zv-toolbar *,.zv-layout * { box-sizing:border-box; letter-spacing:0; }
.zv-toolbar [hidden],.zv-layout [hidden],#zv-full[hidden],#zv-changes[hidden],#zv-unavailable[hidden] { display:none !important; }
.zv-modebar { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px 24px; border-bottom:1px solid var(--line,#dce1e5); }
.zv-tabs { display:flex; gap:24px; }
.zv-tabs button { min-height:54px; padding:8px 0; border:0; border-bottom:3px solid transparent; border-radius:0; color:var(--muted,#5b626a); background:none; font:400 15px/1.5 var(--site-font,"Segoe UI",sans-serif); cursor:pointer; white-space:nowrap; }
.zv-tabs button[aria-selected="true"] { border-bottom-color:var(--site-link,#08747b); color:var(--site-link,#08747b); font-weight:700; }
.zv-tabs button:disabled { color:#91989f; border-bottom-color:transparent; cursor:not-allowed; }
.zv-read-version { display:flex; align-items:center; gap:10px; padding:6px 0; font-size:13px; color:var(--muted,#5b626a); }
.zv-toolbar select,.zv-comparison select { min-height:44px; max-width:100%; border:1px solid var(--line,#dce1e5); border-radius:4px; background:#fff; color:var(--ink,#24282d); padding:8px 28px 8px 10px; font:400 14px/1.5 var(--site-font,"Segoe UI",sans-serif); }
.zv-read-version select { width:235px; }
.zv-baseline,.zv-review,.zv-scope { color:var(--muted,#5b626a); font-size:13px; line-height:1.8; }
.zv-baseline { margin:10px 0 0; }
.zv-layout,body #zv-full > :is(.page-grid,.doc-layout) { display:grid; grid-template-columns:195px minmax(0,1fr); align-items:start; gap:32px; }
.zv-main { min-width:0; }
body #zv-full.zv-index > .documents-main { width:100%; max-width:none; margin:0; padding:0; min-width:0; }
.zv-toc,body #zv-full > :is(.page-grid,.doc-layout) > :is(.toc,.doc-toc) { position:sticky; top:24px; align-self:start; max-height:calc(100vh - 48px); overflow:auto; padding:0 20px 0 0 !important; border-right:1px solid var(--line,#dce1e5) !important; min-width:0; }
.zv-toc strong { display:block; font-size:13px; color:var(--muted,#5b626a); margin:0 0 12px; }
.zv-toc a { display:flex; gap:12px; min-height:44px; padding:9px 0; color:var(--muted,#5b626a); text-decoration:none; font-size:13px; line-height:1.7; border-bottom:1px solid var(--line,#dce1e5); overflow-wrap:anywhere; }
.zv-toc a:hover,.zv-toc a:focus-visible { color:var(--site-link,#08747b); text-decoration:underline; text-underline-offset:4px; }
.zv-number { flex:none; font-size:11px; opacity:.8; padding-top:2px; }
.zv-toc > p { margin:22px 0 0; font-size:12px; color:var(--muted,#5b626a); }
.zv-context { display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; margin-bottom:22px; color:var(--muted,#5b626a); font-size:12px; }
.zv-context strong { color:var(--site-link,#08747b); font-size:13px; }
.zv-comparison { display:grid; grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr); align-items:end; gap:12px; padding-bottom:20px; border-bottom:1px solid var(--line,#dce1e5); margin-bottom:20px; }
.zv-comparison label { display:grid; gap:6px; min-width:0; font-size:12px; color:var(--muted,#5b626a); }
.zv-comparison select { width:100%; }
.zv-arrow { align-self:end; text-align:center; padding-bottom:10px; color:var(--muted,#5b626a); }
.zv-count { font-size:14px; margin:0 0 10px; }
.zv-scope { margin:0 0 22px; }
.zv-change { padding:18px 0 22px; border-top:1px solid var(--line,#dce1e5); scroll-margin-top:24px; }
body .zv-main h2 { font-size:23px !important; margin:0 0 14px; }
body .zv-main h3 { font-size:18px !important; margin:0 0 12px; }
.zv-columns { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
.zv-columns > div { padding:14px 16px; background:#faf1ed; min-width:0; }
.zv-columns > div:last-child { background:#e9f5f4; }
.zv-columns h4 { margin:0 0 7px; font-size:12px; font-weight:500; color:var(--muted,#5b626a); }
.zv-columns p,.zv-impact,.zv-empty,.zv-main > p,#zv-comparison-status { font-size:14px; line-height:1.85; word-break:keep-all; overflow-wrap:anywhere; margin:0; }
.zv-impact { margin-top:14px; }
body .zv-change .zv-example { margin:12px 0 0; padding:10px 0 0; border:0; border-top:1px solid #cbd8d8; border-radius:0; background:transparent; color:var(--ink,#24282d); white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; font:13px/1.7 Consolas,monospace; }
body .zv-change .zv-example code { padding:0; background:transparent; color:inherit; white-space:inherit; font:inherit; }
.zv-example-note { margin:8px 0 0; font-size:12px; line-height:1.7; color:var(--muted,#5b626a); }
.zv-check-title { margin:16px 0 8px; font-size:14px; }
.zv-checks { margin:0; padding-left:20px; font-size:14px; line-height:1.85; overflow-wrap:anywhere; }
.zv-checks li + li { margin-top:6px; }
.zv-limit { margin:14px 0 0; padding-left:12px; border-left:2px solid #9daab0; font-size:13px; line-height:1.85; color:var(--muted,#5b626a); overflow-wrap:anywhere; }
.zv-empty strong { display:block; margin-bottom:8px; font-size:16px; }
.zv-empty p { margin:0; }
.zv-links { display:flex; align-items:center; flex-wrap:wrap; gap:8px 24px; margin-top:14px; }
.zv-links :is(a,button) { display:inline-flex; align-items:center; min-height:44px; padding:6px 0; border:0; border-radius:0; background:none; color:var(--site-link,#08747b); font:400 13px/1.6 var(--site-font,"Segoe UI",sans-serif); text-decoration:underline; text-underline-offset:4px; cursor:pointer; }
.zv-toolbar :is(button,select):focus-visible,.zv-layout :is(button,a,select):focus-visible { outline:2px solid var(--site-link,#08747b); outline-offset:4px; }
.zv-review { border-top:1px solid var(--line,#dce1e5); margin-top:22px; padding-top:16px; }
.zv-review a { color:var(--site-link,#08747b); }
.zv-empty,#zv-comparison-status { padding:20px 0; }
#zv-full :is(section[id],h2[id],h3[id]) { scroll-margin-top:24px; }
@media(max-width:720px) {
  .zv-toolbar,.zv-layout,body #zv-full > :is(.page-grid,.doc-layout) { width:calc(100% - 36px); margin:20px auto; }
  .zv-layout,body #zv-full > :is(.page-grid,.doc-layout) { grid-template-columns:minmax(0,1fr); gap:24px; }
  .zv-read-version { width:100%; justify-content:space-between; padding:8px 0 12px; }
  .zv-read-version select { width:min(235px,70%); font-size:16px; }
  .zv-toc,body #zv-full > :is(.page-grid,.doc-layout) > :is(.toc,.doc-toc) { position:static; max-height:none; overflow:visible; border-right:0 !important; padding:0 !important; }
  .zv-toc nav { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 16px; }
  .zv-toc a { gap:8px; font-size:12px; }
  .zv-toc > p { display:none; }
  .zv-columns { grid-template-columns:minmax(0,1fr); gap:6px; }
  .zv-comparison { grid-template-columns:minmax(0,1fr) 16px minmax(0,1fr); gap:8px; }
  .zv-comparison select { padding-left:7px; padding-right:12px; font-size:14px; }
}
@media print { .zv-toolbar,.zv-toc { display:none; } .zv-layout { display:block; } }