/* ==========================================================================
   CSB · Creator Scripts Blog post system  v1.0  (2026-10-29)
   Install once in Zoho Sites (Settings > SEO/Code > Header code), wrapped
   inside a style tag. Posts carry classes only: no inline styles.
   Scope: everything lives under div.csb, so the theme is never touched.
   ========================================================================== */

div.csb{
  /* tokens: hex first, OKLCH where supported */
  --csb-ink:#222240;          --csb-ink:oklch(25.5% .05 285);
  --csb-ink-soft:#55566b;     --csb-ink-soft:oklch(46% .03 285);
  --csb-paper:#f8f7fa;        --csb-paper:oklch(97.8% .005 300);
  --csb-line:#e2e0e8;         --csb-line:oklch(90.5% .01 295);
  --csb-accent:#c8102e;       --csb-accent:oklch(51.5% .2 24);
  --csb-accent-deep:#9c0c24;  --csb-accent-deep:oklch(43% .17 24);
  --csb-accent-tint:#fcf1f2;  --csb-accent-tint:oklch(97% .016 18);
  --csb-tip:#2f6b4f;          --csb-tip:oklch(45% .08 160);
  --csb-tip-tint:#eef6f1;     --csb-tip-tint:oklch(96.5% .018 160);
  --csb-warn:#8a5300;         --csb-warn:oklch(47% .1 65);
  --csb-warn-tint:#fdf4e6;    --csb-warn-tint:oklch(97% .03 80);
  --csb-on-ink:#f4f3f8;       --csb-on-ink:oklch(96.5% .008 290);
  --csb-radius:10px;
  --csb-measure:46rem;
  --csb-ease:cubic-bezier(.22,1,.36,1);       /* ease-out-quint */

  font-size:1.0625rem; line-height:1.7; color:var(--csb-ink);
  max-width:var(--csb-measure); margin-inline:auto; text-align:left;
  font-family:inherit;                        /* sits in the site theme */
}
div.csb *{box-sizing:border-box}
div.csb > * + *,
div.csb .csb-section > * + *{margin-top:1.1rem}
div.csb p,div.csb li{max-width:68ch}
div.csb p{margin-bottom:0}

/* ---------- type ---------- */
div.csb h2{
  font:inherit; font-weight:700; color:var(--csb-ink);
  font-size:clamp(1.45rem,1.15rem + .9vw,1.85rem); line-height:1.2;
  letter-spacing:-.012em; text-wrap:balance; margin:0; padding:0;
  scroll-margin-top:96px;
}
div.csb h3{font:inherit;font-weight:700;font-size:1.15rem;line-height:1.3;margin:0;text-wrap:balance}
div.csb .csb-section{margin-top:3rem}
div.csb .csb-section > h2 + *{margin-top:.85rem}
div.csb a{color:var(--csb-accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
div.csb a:hover{color:var(--csb-accent-deep);text-decoration-thickness:2px}
div.csb a:focus-visible,div.csb summary:focus-visible{outline:2px solid var(--csb-accent);outline-offset:3px;border-radius:3px}
div.csb strong{font-weight:700}
div.csb code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.88em;background:var(--csb-paper);border:1px solid var(--csb-line);border-radius:5px;padding:.05em .35em}
div.csb ul,div.csb ol{padding-left:1.25rem;margin-bottom:0}
div.csb li + li{margin-top:.4rem}

/* ---------- lede ---------- */
div.csb .csb-lede{font-size:1.22rem;line-height:1.6;color:var(--csb-ink);font-weight:400}

/* ---------- key takeaways (signature: items tick as you read) ---------- */
div.csb .csb-takeaways{
  background:var(--csb-accent-tint); border:1px solid color-mix(in oklab,var(--csb-accent) 18%,transparent);
  border-radius:var(--csb-radius); padding:1.25rem 1.4rem 1.35rem; margin-top:1.6rem;
}
div.csb .csb-takeaways h2{font-size:.8rem;letter-spacing:.09em;text-transform:uppercase;color:var(--csb-accent-deep);line-height:1.3}
div.csb .csb-takeaways ul{list-style:none;padding:0;margin-top:.75rem;display:grid;gap:.55rem}
div.csb .csb-takeaways li{position:relative;padding-left:1.9rem;margin:0}
div.csb .csb-takeaways li::before{
  content:""; position:absolute; left:0; top:.32em; width:1.1rem; height:1.1rem; border-radius:50%;
  border:1.5px solid var(--csb-accent); background:transparent;
  transition:background-color .35s var(--csb-ease);
}
div.csb .csb-takeaways li::after{
  content:""; position:absolute; left:.36rem; top:.56em; width:.38rem; height:.62rem;
  border:solid var(--csb-on-ink); border-width:0 2px 2px 0; transform:rotate(45deg) scale(0);
  transition:transform .35s var(--csb-ease);
}
div.csb .csb-takeaways li.is-read::before{background:var(--csb-accent)}
div.csb .csb-takeaways li.is-read::after{transform:rotate(45deg) scale(1)}
div.csb .csb-takeaways a{color:inherit;text-decoration-color:color-mix(in oklab,var(--csb-accent) 45%,transparent)}

/* ---------- figure ---------- */
div.csb .csb-figure{margin-inline:0}
div.csb .csb-figure img{display:block;width:100%;height:auto;border-radius:var(--csb-radius);border:1px solid var(--csb-line)}
div.csb .csb-figure figcaption{font-size:.85rem;color:var(--csb-ink-soft);margin-top:.5rem}

/* ---------- callouts: full border + tint + label, no side stripe ---------- */
div.csb .csb-callout{
  --tone:var(--csb-ink-soft); --tone-tint:var(--csb-paper);
  background:var(--tone-tint); border:1px solid color-mix(in oklab,var(--tone) 22%,transparent);
  border-radius:var(--csb-radius); padding:.9rem 1.1rem; font-size:.98rem;
}
div.csb .csb-callout::before{
  content:"Note"; display:block; font-size:.72rem; font-weight:700; letter-spacing:.09em;
  text-transform:uppercase; color:var(--tone); margin-bottom:.2rem;
}
div.csb .csb-callout[data-tone="tip"]{--tone:var(--csb-tip);--tone-tint:var(--csb-tip-tint)}
div.csb .csb-callout[data-tone="tip"]::before{content:"Tip"}
div.csb .csb-callout[data-tone="warning"]{--tone:var(--csb-warn);--tone-tint:var(--csb-warn-tint)}
div.csb .csb-callout[data-tone="warning"]::before{content:"Heads up"}
div.csb .csb-callout > p{margin:0}

/* ---------- numbered steps (only for real sequences) ---------- */
div.csb ol.csb-steps{list-style:none;padding:0;counter-reset:csb-step;display:grid;gap:1.1rem}
div.csb ol.csb-steps > li{counter-increment:csb-step;position:relative;padding-left:3rem;margin:0}
div.csb ol.csb-steps > li::before{
  content:counter(csb-step); position:absolute; left:0; top:0; width:2rem; height:2rem; border-radius:50%;
  display:grid; place-items:center; font-weight:700; font-size:.95rem; font-variant-numeric:tabular-nums;
  background:var(--csb-ink); color:var(--csb-on-ink);
}
div.csb ol.csb-steps > li:not(:last-child)::after{
  content:""; position:absolute; left:calc(1rem - 1px); top:2.3rem; bottom:-.9rem; width:2px; background:var(--csb-line);
}
div.csb ol.csb-steps > li > strong:first-child{display:block}

/* ---------- comparison table ---------- */
div.csb .csb-table{overflow-x:auto;border:1px solid var(--csb-line);border-radius:var(--csb-radius);-webkit-overflow-scrolling:touch}
div.csb .csb-table table{border-collapse:collapse;width:100%;min-width:32rem;font-size:.94rem;margin:0}
div.csb .csb-table th,div.csb .csb-table td{text-align:left;vertical-align:top;padding:.7rem .9rem;border:0;border-bottom:1px solid var(--csb-line)}
div.csb .csb-table thead th{font-size:.75rem;letter-spacing:.07em;text-transform:uppercase;color:var(--csb-ink-soft);background:var(--csb-paper);border-bottom:2px solid var(--csb-ink)}
div.csb .csb-table tbody tr:last-child td{border-bottom:0}
div.csb .csb-table tbody td:first-child{font-weight:700}

/* ---------- FAQ: native details ---------- */
div.csb .csb-faq{margin-top:3rem}
div.csb .csb-faq details{border-bottom:1px solid var(--csb-line);margin:0}
div.csb .csb-faq h2 + details{border-top:1px solid var(--csb-line);margin-top:1rem}
div.csb .csb-faq summary{
  list-style:none; cursor:pointer; display:flex; justify-content:space-between; gap:1rem; align-items:baseline;
  padding:1rem 0; font-weight:700; line-height:1.4;
}
div.csb .csb-faq summary::-webkit-details-marker{display:none}
div.csb .csb-faq summary::after{
  content:"+"; flex:none; font-weight:400; font-size:1.4rem; line-height:1; color:var(--csb-accent);
  transition:transform .3s var(--csb-ease);
}
div.csb .csb-faq details[open] summary::after{transform:rotate(45deg)}
div.csb .csb-faq details > :not(summary){margin:0 0 1.1rem;color:var(--csb-ink)}

/* ---------- CTA: the one ask, at the end ---------- */
div.csb .csb-cta{
  margin-top:3rem; background:var(--csb-ink); color:var(--csb-on-ink);
  border-radius:calc(var(--csb-radius) + 4px); padding:1.75rem 1.75rem 1.9rem;
  display:grid; gap:.75rem;
}
div.csb .csb-cta > *{margin:0}
div.csb .csb-cta h2{color:var(--csb-on-ink);font-size:clamp(1.3rem,1.1rem + .6vw,1.6rem)}
div.csb .csb-cta p{color:color-mix(in oklab,var(--csb-on-ink) 82%,var(--csb-ink))}
div.csb .csb-cta a:not(.csb-btn){color:var(--csb-on-ink)}
div.csb a.csb-btn{
  justify-self:start; margin-top:.4rem; display:inline-block; text-decoration:none; font-weight:700;
  background:var(--csb-accent); color:#fff; color:oklch(99% .003 20); padding:.75rem 1.2rem; border-radius:8px;
  transition:background-color .2s var(--csb-ease), transform .2s var(--csb-ease);
}
div.csb a.csb-btn:hover{background:var(--csb-accent-deep);color:#fff;transform:translateY(-1px)}
div.csb .csb-cta a.csb-btn:focus-visible{outline-color:var(--csb-on-ink)}

/* ---------- source note ---------- */
div.csb .csb-source{margin-top:2rem;padding-top:1rem;border-top:1px solid var(--csb-line);font-size:.86rem;color:var(--csb-ink-soft)}

/* ---------- table of contents (built by csb.js on wide screens) ---------- */
div.csb .csb-toc{display:none}
@media (min-width:1120px){
  div.csb.has-toc{
    max-width:calc(var(--csb-measure) + 15rem); display:grid;
    grid-template-columns:12rem minmax(0,var(--csb-measure)); column-gap:3rem; align-items:start;
  }
  div.csb.has-toc > *{grid-column:2}
  div.csb.has-toc > .csb-toc{
    display:block; grid-column:1; grid-row:1 / span 80; position:sticky; top:96px; margin:0;
    font-size:.86rem; line-height:1.4;
  }
  div.csb .csb-toc p{font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--csb-ink-soft);margin:0 0 .6rem}
  div.csb .csb-toc ol{list-style:none;padding:0;margin:0;display:grid;gap:.15rem}
  div.csb .csb-toc li{margin:0}
  div.csb .csb-toc a{display:block;padding:.35rem .6rem;border-radius:6px;color:var(--csb-ink-soft);text-decoration:none;transition:background-color .25s var(--csb-ease),color .25s var(--csb-ease)}
  div.csb .csb-toc a:hover{color:var(--csb-ink);background:var(--csb-paper)}
  div.csb .csb-toc a[aria-current="true"]{color:var(--csb-ink);background:var(--csb-accent-tint);font-weight:700}
  div.csb .csb-toc a.is-read:not([aria-current="true"])::after{content:" ✓";color:var(--csb-accent)}
}

/* ---------- reading progress (element added by csb.js) ---------- */
.csb-progress{
  position:fixed; inset:0 0 auto 0; height:3px; z-index:2147483000; pointer-events:none;
  background:#c8102e; background:oklch(51.5% .2 24); transform-origin:0 50%; transform:scaleX(0);
}

/* ---------- gentle reveal: visible at rest, scroll-driven where supported ---------- */
@supports (animation-timeline: view()){
  @media (prefers-reduced-motion: no-preference){
    div.csb .csb-section,div.csb .csb-figure,div.csb .csb-cta,div.csb .csb-table{
      animation:csb-rise linear both; animation-timeline:view(); animation-range:entry 0% entry 35%;
    }
  }
}
@keyframes csb-rise{from{opacity:.6;transform:translateY(14px)}to{opacity:1;transform:none}}

@media (prefers-reduced-motion: reduce){
  div.csb *,.csb-progress{transition:none!important;animation:none!important}
}
@media (max-width:640px){
  div.csb{font-size:1rem}
  div.csb .csb-lede{font-size:1.1rem}
  div.csb .csb-cta{padding:1.35rem}
  div.csb ol.csb-steps > li{padding-left:2.6rem}
}
@media print{.csb-progress,div.csb .csb-toc{display:none!important}}