/* AntiderivativeCalculator.com – site skin on top of Kadence.
   Direction: calm "graph-paper notebook" – white pages, ink-navy text, indigo accent,
   a faint grid behind heroes, Bricolage Grotesque headings + Plus Jakarta Sans body. */
:root{
  --adc-ink:#131a33;--adc-text:#2b334d;--adc-muted:#5b6475;--adc-line:#e3e6ef;--adc-soft:#f5f6fb;
  --adc-accent:#4f46e5;--adc-accent-d:#3f37c9;--adc-accent-soft:#eef0ff;--adc-warm:#f97316;--adc-bg:#ffffff;
  --adc-display:'Bricolage Grotesque',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --adc-body:'Plus Jakarta Sans',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --global-palette1:#4f46e5;--global-palette2:#3f37c9;--global-palette3:#131a33;--global-palette4:#2b334d;--global-palette5:#5b6475;
  --global-palette6:#8a91a5;--global-palette7:#eef0ff;--global-palette8:#f5f6fb;--global-palette9:#ffffff;
}
body{font-family:var(--adc-body);color:var(--adc-text);background:var(--adc-bg);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.entry-title,.site-title{font-family:var(--adc-display);color:var(--adc-ink);letter-spacing:-.015em;text-wrap:balance}
h1,.entry-title{font-weight:800;font-size:clamp(1.9rem,4.2vw,2.8rem);line-height:1.12}
.entry-content h2{font-weight:700;font-size:clamp(1.45rem,3vw,1.9rem);line-height:1.2;margin:2.4rem 0 .8rem}
.entry-content h3{font-weight:700;font-size:clamp(1.15rem,2.4vw,1.35rem);margin:1.8rem 0 .5rem}
a{color:var(--adc-accent);text-underline-offset:3px}
a:hover{color:var(--adc-accent-d)}
.entry-content p,.entry-content li{max-width:72ch}
.entry-content code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:var(--adc-soft);border:1px solid var(--adc-line);padding:.05rem .35rem;border-radius:6px;color:var(--adc-ink)}
.entry-content ul,.entry-content ol{padding-left:1.3rem}
.entry-content li{margin:.3rem 0}
.entry-content li::marker{color:var(--adc-accent);font-weight:700}

/* content width + cards */
.content-container.site-container,.site-container{max-width:1120px}
.single-content,.entry-content{font-size:1.02rem}
.entry.content-bg{border-radius:18px;box-shadow:0 1px 2px rgba(19,26,51,.04),0 18px 40px -28px rgba(19,26,51,.25)}
body.page .entry.content-bg,body.single .entry.content-bg{padding-inline:clamp(16px,4vw,48px)}

/* tables: scroll on phones, zebra rows */
.entry-content table{width:100%;border-collapse:collapse;margin:1.2rem 0 1.6rem;font-size:.95rem;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
.entry-content table thead th{background:var(--adc-ink);color:#fff;font-weight:700;text-align:left}
.entry-content table th,.entry-content table td{border:1px solid var(--adc-line);padding:.65rem .85rem;vertical-align:top;min-width:110px}
.entry-content table tbody tr:nth-child(even){background:var(--adc-soft)}
.entry-content figure.wp-block-table{overflow-x:auto}

/* header */
#masthead,.site-header{background:#fff;border-bottom:1px solid var(--adc-line)}
.site-branding .site-title{font-weight:800;font-size:1.25rem}
.main-navigation .primary-menu-container>ul>li.menu-item>a,.header-navigation .header-menu-container>ul>li>a{font-weight:600;color:var(--adc-ink)}
.main-navigation .primary-menu-container>ul>li.menu-item>a:hover,.header-navigation .header-menu-container>ul>li>a:hover{color:var(--adc-accent)}
.header-navigation .sub-menu,.main-navigation .sub-menu{border-radius:12px;box-shadow:0 18px 40px -18px rgba(19,26,51,.35);border:1px solid var(--adc-line);overflow:hidden}

/* breadcrumbs + post meta */
.kadence-breadcrumbs,.entry-meta{font-size:.85rem;color:var(--adc-muted)}
.entry-meta a{color:var(--adc-ink);font-weight:600}

/* footer */
.site-footer{background:var(--adc-ink);color:#c9cee0}
.site-footer a{color:#fff}
.site-footer .site-info,.site-footer .footer-html{font-size:.88rem}

/* buttons */
.wp-block-button__link,.button,button[type=submit],input[type=submit]{border-radius:12px;font-weight:700}

/* author box on posts */
.entry-author{border:1px solid var(--adc-line);border-radius:16px;padding:1.2rem}

/* ---------- home page sections ---------- */
.adc-hero{position:relative;border-radius:22px;padding:clamp(22px,5vw,56px);margin:0 0 2rem;background:
  linear-gradient(var(--adc-accent-soft) 1px,transparent 1px) 0 0/28px 28px,
  linear-gradient(90deg,var(--adc-accent-soft) 1px,transparent 1px) 0 0/28px 28px,#fbfbff;border:1px solid var(--adc-line);overflow:hidden}
.adc-hero h1{margin:0 0 .6rem}
.adc-hero p.adc-lede{font-size:clamp(1.02rem,2.2vw,1.18rem);color:var(--adc-text);max-width:60ch;margin:0 0 1rem}
.adc-kicker{display:inline-block;font:700 .75rem/1 var(--adc-body);letter-spacing:.12em;text-transform:uppercase;color:var(--adc-accent);background:#fff;border:1px solid var(--adc-line);padding:.45rem .7rem;border-radius:999px;margin-bottom:.9rem}
.adc-pills{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.adc-pills li{margin:0;font-size:.85rem;font-weight:600;background:#fff;border:1px solid var(--adc-line);border-radius:999px;padding:.35rem .75rem;color:var(--adc-ink)}
.adc-pills li::marker{content:''}
.adc-answer{border-left:4px solid var(--adc-accent);background:var(--adc-accent-soft);border-radius:0 14px 14px 0;padding:1rem 1.2rem;margin:1.2rem 0}
.adc-answer p{margin:.2rem 0}
.adc-answer strong:first-child{display:block;font-family:var(--adc-display);color:var(--adc-ink);font-size:1.05rem;margin-bottom:.2rem}
.adc-steps3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:1rem 0 1.6rem;padding:0;list-style:none;counter-reset:s}
.adc-steps3 li{margin:0;max-width:none;border:1px solid var(--adc-line);border-radius:16px;padding:1.1rem 1.1rem 1.1rem 3.4rem;position:relative;background:#fff;counter-increment:s}
.adc-steps3 li::before{content:counter(s);position:absolute;left:1rem;top:1rem;width:1.8rem;height:1.8rem;border-radius:50%;background:var(--adc-ink);color:#fff;font-weight:800;display:grid;place-items:center;font-size:.9rem}
.adc-steps3 li::marker{content:''}
.adc-trust{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;border:1px solid var(--adc-line);border-radius:18px;padding:1.3rem;background:var(--adc-soft);margin:1.6rem 0}
.adc-trust .adct-avatar{width:64px;height:64px;font-size:1.5rem}
.adc-trust p{margin:.2rem 0}
.adc-guides{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin:1rem 0 2rem;padding:0;list-style:none}
.adc-guides li{margin:0;max-width:none}
.adc-guides a{display:block;height:100%;border:1px solid var(--adc-line);border-radius:14px;padding:.9rem 1rem;text-decoration:none;color:var(--adc-ink);font-weight:600;background:#fff}
.adc-guides a:hover{border-color:var(--adc-accent);color:var(--adc-accent)}
.adc-guides li::marker{content:''}
.adct-gcat{font-size:1.05rem!important;text-transform:uppercase;letter-spacing:.08em;color:var(--adc-muted)!important;margin:1.6rem 0 .2rem!important}

/* contact form */
.adct-form{display:grid;gap:14px;max-width:560px;margin:1rem 0 2rem}
.adct-form label{display:grid;gap:6px;font-weight:600;font-size:.92rem;color:var(--adc-ink)}
.adct-form input,.adct-form select,.adct-form textarea{font:inherit;font-weight:400;padding:.75rem .9rem;border:1.5px solid var(--adc-line);border-radius:12px;background:#fff;width:100%}
.adct-form input:focus,.adct-form select:focus,.adct-form textarea:focus{outline:none;border-color:var(--adc-accent);box-shadow:0 0 0 4px rgba(79,70,229,.14)}
.adct-form .adct-go{justify-self:start;padding:.85rem 1.6rem}
.adct-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.adct-form-ok,.adct-form-err{border-radius:12px;padding:.9rem 1.1rem}
.adct-form-ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.adct-form-err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}

/* phones */
@media (max-width:640px){
  body{font-size:16px}
  .entry.content-bg{border-radius:0;box-shadow:none}
  body.page .entry.content-bg,body.single .entry.content-bg{padding-inline:16px}
  .adc-trust{grid-template-columns:1fr;text-align:left}
  .entry-content h2{margin-top:1.9rem}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* ================= v1.0.2 – richer home page ================= */
body.home .entry.content-bg{background:transparent;box-shadow:none;padding-inline:0!important}
body.home .content-area{margin-top:1.2rem}
.adc-hero{background:
   radial-gradient(60% 80% at 85% 10%,rgba(99,102,241,.55),transparent 60%),
   radial-gradient(50% 60% at 0% 100%,rgba(249,115,22,.28),transparent 60%),
   linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px) 0 0/32px 32px,
   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px) 0 0/32px 32px,
   #131a33;
  border:0;color:#dfe3f3;padding:clamp(28px,6vw,72px) clamp(20px,5vw,64px) clamp(90px,12vw,140px)}
.adc-hero h1{color:#fff;font-size:clamp(2.1rem,5.6vw,3.6rem);max-width:16ch}
.adc-hero p.adc-lede{color:#c9cee6;font-size:clamp(1.05rem,2.3vw,1.25rem)}
.adc-hero .adc-kicker{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#c7c9ff}
.adc-hero .adc-pills li{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#eef0ff}
.adc-hero .adc-int{position:absolute;right:clamp(10px,4vw,56px);top:50%;transform:translateY(-58%);font:italic 400 clamp(7rem,18vw,15rem)/1 Georgia,'Times New Roman',serif;color:rgba(255,255,255,.07);pointer-events:none;user-select:none}
body.home .adct{position:relative;z-index:2;margin-top:clamp(-110px,-10vw,-70px)}
body.home .adct-card{box-shadow:0 30px 60px -30px rgba(19,26,51,.45),0 1px 2px rgba(19,26,51,.06)}
body.home .adct-byline{margin:0 0 1.2rem}
body.home .adc-hero + p:empty{display:none}
.adc-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--adc-line);border-radius:18px;background:#fff;margin:1.4rem 0 2rem;overflow:hidden}
.adc-stats div{padding:1.1rem 1.2rem;border-right:1px solid var(--adc-line)}
.adc-stats div:last-child{border-right:0}
.adc-stats b{display:block;font-family:var(--adc-display);font-size:clamp(1.4rem,3vw,1.9rem);color:var(--adc-ink);line-height:1.1;font-variant-numeric:tabular-nums}
.adc-stats span{font-size:.85rem;color:var(--adc-muted)}
.adc-features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:1rem 0 2.2rem}
.adc-feature{border:1px solid var(--adc-line);border-radius:18px;padding:1.3rem;background:#fff}
.adc-feature h3{margin:.7rem 0 .35rem!important;font-size:1.1rem!important}
.adc-feature p{margin:0;color:var(--adc-muted);font-size:.95rem}
.adc-ficon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--adc-accent-soft);color:var(--adc-accent)}
.adc-ficon.warm{background:#fff3e8;color:#c2410c}.adc-ficon.green{background:#e8f8f1;color:#047857}
.adc-ficon svg{width:24px;height:24px}
.adct-grid .adct-gcard:nth-child(4n+2) .adct-gicon{background:#fff3e8;color:#c2410c}
.adct-grid .adct-gcard:nth-child(4n+3) .adct-gicon{background:#e8f8f1;color:#047857}
.adct-grid .adct-gcard:nth-child(4n+4) .adct-gicon{background:#e9f5ff;color:#0369a1}
.adct-gicon{font-family:Georgia,serif;font-style:italic}
.adc-faq details{border:1px solid var(--adc-line);border-radius:14px;background:#fff;margin:0 0 10px;padding:0 1.1rem}
.adc-faq summary{cursor:pointer;list-style:none;font-family:var(--adc-display);font-weight:700;color:var(--adc-ink);padding:1rem 1.6rem 1rem 0;position:relative;font-size:1.05rem}
.adc-faq summary::-webkit-details-marker{display:none}
.adc-faq summary::after{content:'+';position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--adc-accent);font-weight:400}
.adc-faq details[open] summary::after{content:'–'}
.adc-faq details p{margin:0 0 1rem;color:var(--adc-text)}
.adc-cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;border-radius:20px;padding:clamp(20px,4vw,36px);background:linear-gradient(135deg,#4f46e5,#6d28d9);color:#fff;margin:2.4rem 0 1rem}
.adc-cta h2{color:#fff!important;margin:0!important;font-size:clamp(1.3rem,3vw,1.8rem)!important}
.adc-cta p{margin:.3rem 0 0;color:#e0e0ff}
.adc-cta a.adc-btn{background:#fff;color:#3f37c9;font-weight:800;padding:.85rem 1.4rem;border-radius:12px;text-decoration:none;white-space:nowrap}
.adc-cta a.adc-btn:hover{background:#eef0ff}
.adc-section-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
.adc-section-title a{font-weight:700;font-size:.95rem}
/* header polish */
#masthead{position:sticky;top:0;z-index:50;box-shadow:0 1px 0 var(--adc-line)}
.admin-bar #masthead{top:32px}
@media (max-width:782px){.admin-bar #masthead{top:46px}}
@media (max-width:900px){.adc-features{grid-template-columns:1fr}.adc-stats{grid-template-columns:repeat(2,1fr)}.adc-stats div:nth-child(2){border-right:0}.adc-stats div:nth-child(-n+2){border-bottom:1px solid var(--adc-line)}}
@media (max-width:640px){
  .adc-hero{border-radius:0 0 22px 22px;margin-inline:-16px}
  .adc-hero .adc-int{display:none}
  body.home .adct{margin-top:-70px}
  .adc-cta{flex-direction:column;align-items:flex-start}
}
/* theme overrides: no forced capitalisation, links in accent colour */
h1,h2,h3,h4,h5,h6,.entry-title{text-transform:none!important}
.entry-content a{color:var(--adc-accent)}
.entry-content a:hover{color:var(--adc-accent-d)}
.site-footer .site-bottom-footer-wrap,.site-footer .site-middle-footer-wrap,.site-footer .site-top-footer-wrap{background:var(--adc-ink)!important}
.site-footer .footer-navigation a{color:#dfe3f3!important;font-weight:600}
.site-footer .footer-navigation a:hover{color:#fff!important}
.site-footer .footer-html,.site-footer .footer-html p{color:#aab1c9}
.katex{font-size:1.08em}
.entry-content .katex-display{overflow-x:auto;overflow-y:hidden;padding:.2rem 0}

/* ================= v1.0.3 – layout polish ================= */
/* theme button styles must not leak into the calculator */
.adct button,.adct select,.adct input{text-transform:none!important;letter-spacing:normal!important;font-family:inherit}
.adct .adct-chip{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace!important;box-shadow:none}
.adct .adct-go{font-family:var(--adc-body)!important}
.adct-preview:empty{min-height:0;margin:0;padding:0}
.adct-preview{min-height:1.8rem}
/* lists used as layouts: kill the theme's list padding */
.entry-content ul.adc-pills,.entry-content ol.adc-steps3,.entry-content ul.adc-guides{padding-left:0!important;margin-left:0!important}
.entry-content ol.adc-steps3 li,.entry-content ul.adc-guides li,.entry-content ul.adc-pills li{max-width:none}
.adc-steps3{grid-template-columns:repeat(3,1fr)}
@media (max-width:820px){.adc-steps3{grid-template-columns:1fr}}
/* hero spacing + integral mark */
.adc-hero h1{margin-top:.2rem!important}
.adc-hero .adc-pills{margin-top:1.2rem}
.adc-hero .adc-int{right:clamp(16px,5vw,72px);font-size:clamp(8rem,20vw,17rem);color:rgba(255,255,255,.06)}
@media (max-width:820px){.adc-hero .adc-int{display:none}}
/* calculator card on home sits inside the hero width */
body.home .adct{margin-inline:clamp(0px,3vw,40px)}
/* section rhythm */
body.home .entry-content>h2,body.home .adc-section-title{margin-top:3rem}
.adc-section-title h2{margin:0!important}
.adc-section-title{margin-bottom:.4rem}
/* feature + tool cards hover lift */
.adc-feature,.adct-gcard,.adc-guides a{transition:transform .15s,box-shadow .15s,border-color .15s}
.adc-feature:hover{transform:translateY(-2px);box-shadow:0 14px 30px -20px rgba(19,26,51,.35)}
/* logo */
.site-branding .custom-logo,.site-branding img{max-height:44px;width:auto}
/* phones */
@media (max-width:640px){
  .adc-hero{padding:28px 20px 96px}
  .adc-hero h1{font-size:2.1rem}
  .adc-hero .adc-pills li{font-size:.78rem;padding:.3rem .6rem}
  .adc-stats b{font-size:1.35rem}
  body.home .adct{margin-inline:0}
  .adct-card{padding:16px}
  .adc-features{gap:12px}
}

/* ===== v1.1.0 – tool + content pages: hero title band ===== */
body.page:not(.home) .entry-header.page-title{position:relative;overflow:hidden;border-radius:20px;padding:clamp(26px,5vw,48px) clamp(20px,4vw,44px)!important;margin:0 0 28px!important;background:radial-gradient(55% 90% at 90% 0%,rgba(99,102,241,.55),transparent 60%),linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px) 0 0/28px 28px,linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px) 0 0/28px 28px,#131a33}
body.page:not(.home) .entry-header.page-title .entry-title{color:#fff!important;font-size:clamp(1.9rem,4.6vw,3rem)!important;margin:0!important}
body.page:not(.home) .entry-header.page-title .kadence-breadcrumbs,body.page:not(.home) .entry-header.page-title .kadence-breadcrumbs a{color:#c7c9ff!important}
body.page:not(.home) .entry-header.page-title::after{content:'∫';position:absolute;right:4%;top:50%;transform:translateY(-55%);font:italic 400 9rem/1 Georgia,serif;color:rgba(255,255,255,.06);pointer-events:none}
body.single .entry-header.post-title{border-bottom:1px solid var(--adc-line);padding-bottom:1rem;margin-bottom:1.5rem}
.kb-button,.kt-button,.wp-block-kadence-singlebtn{text-transform:none!important;letter-spacing:normal!important}
.adct button,.adct select,.adct input{text-transform:none!important;letter-spacing:normal!important}
@media (max-width:640px){body.page:not(.home) .entry-header.page-title{border-radius:14px}body.page:not(.home) .entry-header.page-title::after{display:none}}
/* v1.2.0: phone-friendly equations, related guides */
.adct-wrapm{display:block;text-align:center;line-height:2.15;padding:.2rem 0}
.adct-wrapm .katex{white-space:normal}
.adc-rp{margin:2.5rem 0 0}
.adc-rp-title{font-size:clamp(1.25rem,2.6vw,1.55rem)!important;margin:0 0 1rem!important;padding:0!important}
.adc-rp-title::before{display:none!important}
.adc-rp-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.adc-rp-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e2e8f0;border-radius:18px;overflow:hidden;text-decoration:none!important;color:inherit;transition:transform .18s,box-shadow .18s}
.adc-rp-card:hover{transform:translateY(-3px);box-shadow:0 22px 44px -26px rgba(79,70,229,.5)}
.adc-rp-img img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;margin:0}
.adc-rp-body{display:flex;flex-direction:column;gap:.35rem;padding:14px 16px 16px;flex:1}
.adc-rp-cat{align-self:flex-start;font-size:.72rem;font-weight:800;color:#4f46e5;background:#eef0ff;border-radius:999px;padding:.12rem .55rem}
.adc-rp-body b{color:#0f172a;font-size:1rem;line-height:1.35}
.adc-rp-ex{font-size:.86rem;color:#64748b;line-height:1.5}
.adc-rp-more{margin-top:auto;font-size:.84rem;font-weight:800;color:#4f46e5}
@media (max-width:860px){.adc-rp-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.adc-rp-grid{grid-template-columns:1fr}}
/* v1.2.0 content components for calculator pages */
.adc-keyfacts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin:1.2rem 0 1.6rem}
.adc-keyfacts>div{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:14px 16px}
.adc-keyfacts b{display:block;font-family:var(--display,inherit);font-size:1.15rem;color:#4f46e5;margin-bottom:.2rem}
.adc-keyfacts span{font-size:.9rem;color:#475569;line-height:1.5}
.adc-formula{border-radius:18px;padding:18px 20px;margin:1.2rem 0 1.6rem;background:linear-gradient(135deg,#eef0ff,#f5f3ff 60%,#e0f7fb);border:1px solid #e0e7ff;text-align:center}
.adc-formula small{display:block;font-size:.75rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#4f46e5;margin-bottom:.4rem}
.adc-formula .katex-display{margin:.3rem 0}
.adc-tip,.adc-warn{border-radius:14px;padding:14px 16px 14px 48px;margin:1.2rem 0;position:relative;font-size:.97rem}
.adc-tip{background:#ecfdf5;border:1px solid #a7f3d0}.adc-warn{background:#fff7ed;border:1px solid #fed7aa}
.adc-tip::before,.adc-warn::before{position:absolute;left:14px;top:12px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.85rem;color:#fff}
.adc-tip::before{content:'✓';background:#059669}.adc-warn::before{content:'!';background:#f97316}
.adc-tip p:last-child,.adc-warn p:last-child{margin-bottom:0}
.adc-compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:1.2rem 0 1.6rem}
.adc-compare>div{border:1px solid #e2e8f0;border-radius:18px;padding:16px 18px;background:#fff}
.adc-compare>div:first-child{border-top:4px solid #4f46e5}.adc-compare>div:last-child{border-top:4px solid #06b6d4}
.adc-compare h3{margin-top:0!important;font-size:1.08rem}
.adc-compare ul{margin-bottom:0}
.adc-howto{list-style:none;counter-reset:hw;padding:0;margin:1rem 0 1.6rem}
.adc-howto li{counter-increment:hw;position:relative;padding:0 0 1rem 52px;margin:0}
.adc-howto li::before{content:counter(hw);position:absolute;left:0;top:-2px;width:36px;height:36px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,#4f46e5,#7c3aed)}
.adc-howto li::after{content:'';position:absolute;left:17px;top:38px;bottom:2px;width:2px;background:#e0e7ff}
.adc-howto li:last-child::after{display:none}
.adc-howto b{display:block;color:#0f172a}
@media (max-width:640px){.adc-compare{grid-template-columns:1fr}}
/* KaTeX example chips */
.adct .adct-chip.adct-chip-k,.adct .adct-chip.adct-chip-t{font-family:inherit!important}
.adct .adct-chip.adct-chip-k{display:inline-flex;align-items:center;gap:.35rem;font-size:.95rem;line-height:1.15;padding:.3rem .8rem;min-height:2.1rem}
.adct .adct-chip.adct-chip-t{font-size:.84rem;font-weight:600}
.adct-chip .katex{font-size:1.02em;color:inherit}
.adct-chip .katex:has(.mtable){font-size:.74em}
.adct-chipx{font-size:.76rem;opacity:.75;font-family:ui-monospace,Menlo,Consolas,monospace}
@media (max-width:640px){.adct-tabs.adct-otabs{display:flex;flex-wrap:wrap;width:100%!important;gap:6px}.adct-otabs .adct-tab{flex:1 1 auto;white-space:nowrap;font-size:.84rem!important;padding:.45rem .6rem}}
/* v1.2.5: guide → calculator card, glossary */
.adc-tryit{display:flex;align-items:center;gap:14px;margin:1.4rem 0;padding:14px 16px;border-radius:18px;background:linear-gradient(135deg,#eef0ff,#f5f3ff 60%,#e0f7fb);border:1px solid #e0e7ff}
.adc-tryit-icon{flex:0 0 46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;font:italic 700 1.1rem Georgia,serif}
.adc-tryit-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;font-size:.93rem;color:#334155;line-height:1.45}
.adc-tryit-text b{color:#0f172a;font-size:1rem}
.adc-tryit-text code{font-size:.85em}
.adc-tryit-btn{flex:0 0 auto;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff!important;text-decoration:none!important;font-weight:800;font-size:.9rem;padding:.65rem 1rem;border-radius:12px;white-space:nowrap}
.adc-tryit-btn:hover{filter:brightness(1.08)}
@media (max-width:600px){.adc-tryit{flex-wrap:wrap}.adc-tryit-btn{flex:1 1 100%;text-align:center}}
.adc-glossary-az{display:flex;flex-wrap:wrap;gap:6px;margin:1rem 0 1.4rem}
.adc-glossary-az a{display:inline-grid;place-items:center;min-width:34px;height:34px;border-radius:10px;background:#eef0ff;color:#4f46e5!important;font-weight:800;text-decoration:none!important}
.adc-glossary{margin:0}
.adc-glossary dt{font-family:var(--display,inherit);font-weight:800;font-size:1.12rem;color:#0f172a;margin:1.4rem 0 .3rem;scroll-margin-top:110px}
.adc-glossary dd{margin:0 0 .6rem;padding:0 0 1rem;border-bottom:1px solid #e2e8f0;color:#334155}
.adc-glossary dd .adc-gl-links{display:block;margin-top:.35rem;font-size:.88rem}
.adc-glossary dt:target{color:#4f46e5}
/* topic link graph (1.2.7) */
.adc-learn{margin:2rem 0;padding:18px 20px;border:1px solid #e0e7ff;border-radius:18px;background:#f8f9ff}
.adc-learn h2{margin-top:0!important;font-size:1.25rem}
.adc-learn p{margin:.2rem 0 .8rem;color:#334155}
.adc-learn ul{list-style:none;margin:0!important;padding:0!important;display:grid;gap:8px}
.adc-learn li{margin:0!important;line-height:1.5;overflow-wrap:anywhere}
.adc-learn-k{display:inline-block;min-width:88px;margin-right:8px;padding:1px 8px;border-radius:999px;background:#eef0ff;color:#4f46e5;font-size:.78rem;font-weight:700;text-align:center}
@media (max-width:640px){.adc-learn{padding:14px}.adc-learn-k{min-width:0}}