/* Blog-scoped header + share styling, matching the marketing nav in
   kanonik-v2.css (light cream bar, evergreen logo, Inter). All classes are
   knb- prefixed so nothing here touches Material's own .md-* rules. */
:root{
  --knb-bg:#eef1ed; --knb-cream:#f5f6f2; --knb-ink:#0e1a17; --knb-ink-soft:#3a4642;
  --knb-ink-mute:#606a65; --knb-evergreen:#0a3d34; --knb-evergreen-deep:#062822;
  --knb-mint:#8fcaa3; --knb-line:#d3d8d0;
  --knb-sans:"Inter",ui-sans-serif,system-ui,sans-serif;
  --knb-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
/* Header ------------------------------------------------------------------ */
.knb-nav{position:sticky;top:0;z-index:41;font-family:var(--knb-sans);
  border-bottom:1px solid rgb(255 255 255/.1);
  background:color-mix(in srgb,var(--knb-ink) 94%,transparent);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.knb-nav-in{margin-inline:auto;max-width:1240px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;padding:13px 24px}
.knb-brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:0}
.knb-brand img{height:26px;width:26px;flex:none;display:block}
.knb-nm{font-weight:600;letter-spacing:-.022em;font-size:19px;line-height:1;color:var(--knb-cream)}
.knb-tag{font-family:var(--knb-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  color:rgb(245 246 242/.64);border:1px solid rgb(255 255 255/.18);border-radius:4px;padding:3px 6px}
.knb-right{display:flex;align-items:center;gap:16px}
.knb-back,.knb-signin{font-size:13px;text-decoration:none;white-space:nowrap}
.knb-back{color:rgb(245 246 242/.85)} .knb-back:hover{color:var(--knb-cream)}
.knb-signin{color:rgb(245 246 242/.85)} .knb-signin:hover{color:var(--knb-cream)}
.knb-cta{display:inline-flex;align-items:center;border-radius:6px;padding:8px 16px;
  font-size:13px;font-weight:500;text-decoration:none;white-space:nowrap;
  background:var(--knb-evergreen);color:var(--knb-cream);transition:background .15s ease}
.knb-cta:hover{background:var(--knb-evergreen-deep)}
:focus-visible{outline:2px solid var(--knb-evergreen);outline-offset:2px}
@media(max-width:720px){.knb-back{display:none}.knb-tag{display:none}}
@media(max-width:520px){.knb-signin{display:none}}
/* Per-article share row --------------------------------------------------- */
.knb-share{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:40px 0 8px;
  padding-top:20px;border-top:1px solid var(--knb-line);font-family:var(--knb-sans)}
.knb-share-lbl{font-family:var(--knb-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--knb-ink-mute);margin-right:2px}
.knb-share-btn{display:inline-flex;align-items:center;gap:6px;border-radius:6px;
  border:1px solid var(--knb-line);background:transparent;cursor:pointer;
  padding:6px 12px;font-size:13px;font-family:inherit;color:var(--knb-ink-soft);
  text-decoration:none;transition:border-color .15s ease,color .15s ease,background .15s ease}
.knb-share-btn:hover{border-color:var(--knb-evergreen);color:var(--knb-evergreen);
  background:color-mix(in srgb,var(--knb-mint) 18%,transparent)}

/* Author avatar: square-crop so a non-square mark never stretches. */
.md-author img,.md-post__authors img,.md-profile img{object-fit:cover}