/* Mama has Superpowers case study: the case-study layout standard (big side numbers, two-column justified text,
   three generation cards, hover states). Only colours from the site variables, so light and dark follow. */
body.cs-mama{counter-reset:ch}

/* numbered chapters: big muted number on the left, content beside it */
body.cs-mama .chapter{display:grid;grid-template-columns:clamp(64px,9vw,120px) minmax(0,1fr);column-gap:clamp(1rem,3vw,2.4rem);counter-increment:ch;padding-block:clamp(2.4rem,5vw,3.8rem);border-bottom:1px solid var(--line)}
body.cs-mama .chapter::before{content:counter(ch,decimal-leading-zero);grid-column:1;grid-row:1/span 40;align-self:start;font-size:clamp(2.6rem,5.4vw,4.6rem);font-weight:700;letter-spacing:-.05em;line-height:.9;color:var(--line)}
body.cs-mama .chapter>*{grid-column:2;min-width:0}
body.cs-mama .chapter>.stag{display:none}
body.cs-mama .chapter h2{font-size:clamp(1.7rem,3.4vw,2.6rem);max-width:none;margin-bottom:.4rem}
body.cs-mama .chapter h2.one-line{white-space:normal}
@media(max-width:600px){
 body.cs-mama .chapter{grid-template-columns:minmax(0,1fr)}
 body.cs-mama .chapter::before{grid-column:1;grid-row:auto;margin-bottom:.5rem}
 body.cs-mama .chapter>*{grid-column:1}
}

/* body text: full width, justified, two columns for long text */
body.cs-mama .lead{max-width:none}
body.cs-mama .chapter p,body.cs-mama .chapter li,body.cs-mama .chapter figcaption,body.cs-mama .cs-hero .lead,body.cs-mama .reel-side p{text-align:justify;text-justify:inter-word;hyphens:auto;-webkit-hyphens:auto}
body.cs-mama .cols{column-count:2;column-gap:40px;margin-top:1.3rem}
body.cs-mama .cols>p{margin-top:0!important;margin-bottom:.9em}
body.cs-mama .cols>p:last-child{margin-bottom:0}
body.cs-mama .cols>p.lead{font-size:1.05rem}
body.cs-mama .cs-hero .cols>p.lead{font-size:clamp(1.05rem,1.4vw,1.15rem)}
@media(max-width:820px){body.cs-mama .cols{column-count:1}}
body.cs-mama .split-media{grid-template-columns:minmax(0,300px) minmax(0,1fr)}
@media(max-width:820px){body.cs-mama .split-media{grid-template-columns:minmax(0,1fr)}}
body.cs-mama .oi{font-style:italic;color:var(--accent-text)}

/* the three generations: three vertical cards in one row, same height */
body.cs-mama .gens{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:1rem}
body.cs-mama .gen{display:flex;flex-direction:column;padding:1.2rem}
body.cs-mama .gen-head>p{max-width:none;font-size:.92rem}
body.cs-mama .gen-shots{grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem}
body.cs-mama .gen-shots figure{grid-template-columns:minmax(0,1fr);gap:.6rem}
body.cs-mama .gen-shots img{width:100%;aspect-ratio:9/16;object-fit:cover}
body.cs-mama .gen-shots figcaption{font-size:.74rem;line-height:1.45}
body.cs-mama .gen>.pdrop{margin-top:auto}
body.cs-mama .gen-shots+.pdrop{margin-top:1.1rem}
@media(min-width:1021px){
 body.cs-mama .gens{grid-auto-flow:row}
 body.cs-mama .gen{display:grid;grid-row:span 3;grid-template-rows:subgrid;row-gap:0}
 body.cs-mama .gen>.pdrop{margin-top:1.1rem;align-self:end}
}
@media(max-width:1020px){body.cs-mama .gens{grid-template-columns:minmax(0,1fr)}body.cs-mama .gen-shots{max-width:520px}}

/* hover: lift 5px, orange outline, lighter fill, soft glow (mouse only) */
@media(hover:hover){
 body.cs-mama :is(.gen,.panel,.iter>div,.wrong,.promptnotes>div,.reel-frame,.sheet-col,.wide-figure img,.split-media img,.tp-stage){transition:opacity .9s var(--ease) var(--d,0s),transform .25s ease,border-color .25s ease,background-color .25s ease,box-shadow .25s ease}
 body.cs-mama :is(.reel-frame,.wide-figure img,.split-media img,.tp-stage):hover{transform:translateY(-5px);box-shadow:0 0 0 2px var(--accent),0 10px 26px rgba(255,106,56,.16)}
}
@media(prefers-reduced-motion:reduce){
 body.cs-mama :is(.gen,.panel,.iter>div,.wrong,.promptnotes>div,.sheet-col,.reel-frame,.wide-figure img,.split-media img,.tp-stage):hover{transform:none!important}
}

/* hero: one description beside the film */
body.cs-mama .reel-embed{margin-top:1.6rem;align-items:start}
body.cs-mama .reel-side p{font-size:clamp(1.02rem,1.3vw,1.12rem);line-height:1.65;color:var(--ink-2);margin:0 0 .95em;max-width:none}
body.cs-mama .reel-side p:last-child{margin-bottom:0}
body.cs-mama .reel-side p:first-child{margin-top:-.3em}

/* chapter bar: soft orange hover on each option (mouse only), orange numbers */
body.cs-mama .chapbar a{transition:background .2s ease,color .2s ease}
@media(hover:hover){body.cs-mama .chapbar a:hover{background:rgba(255,90,54,.16);color:var(--ink)}
 body.cs-mama .chapbar a.active:hover{background:var(--ink);color:var(--bg)}}
body.cs-mama .chapbar a span{color:var(--accent-text)}

/* ---- round 3: prompt buttons + overlay ---- */
body.cs-mama .pbtn-wrap{margin-top:1.1rem}
body.cs-mama #music .pbtn-wrap{margin-top:1.8rem}
body.cs-mama .pbtn{display:flex;align-items:center;gap:.8rem;width:100%;text-align:left;cursor:pointer;border:1px solid transparent;border-radius:16px;padding:1rem 1.1rem 1rem 1.2rem;background:var(--ink);color:var(--bg);font:inherit;transition:border-color .25s,transform .25s,box-shadow .25s}
html[data-theme="dark"] body.cs-mama .pbtn{background:var(--raise);color:#F2F0EC}
body.cs-mama .pbtn .pd-icon::before{content:'↗';width:auto;height:auto;border:0;transform:none;color:inherit;font-size:.95rem;line-height:1}
body.cs-mama .pbtn .pd-icon{color:inherit}
@media(hover:hover){body.cs-mama .pbtn:hover{border-color:var(--accent);box-shadow:0 8px 22px rgba(255,106,56,.18)}body.cs-mama .pbtn:hover .pd-icon{background:var(--accent);border-color:var(--accent)}}
body.cs-mama .pbtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
body.cs-mama .gen>.pbtn-wrap{margin-top:1.1rem;align-self:end}
body.cs-mama .prompt-pair.voice-pair{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:start}
@media(max-width:700px){body.cs-mama .prompt-pair.voice-pair{grid-template-columns:1fr}}
.po{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:clamp(12px,4vw,40px);background:rgba(16,14,10,.78);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .25s,visibility 0s .25s}
.po.on{opacity:1;visibility:visible;transition:opacity .25s}
.po-panel{width:min(780px,100%);max-height:min(86vh,100%);display:flex;flex-direction:column;border-radius:16px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.po-head{display:flex;align-items:center;gap:.8rem;padding:1rem 1.1rem 1rem 1.2rem;border-bottom:1px solid rgba(244,242,238,.12);flex:none}
.po-head .copy-btn{flex:none}
.po-x{flex:none;width:34px;height:34px;border-radius:50%;border:1px solid rgba(244,242,238,.3);background:transparent;color:#F2F0EC;font-size:1.3rem;line-height:1;cursor:pointer;display:grid;place-items:center;transition:background .2s,border-color .2s}
.po-x:hover{background:var(--accent);border-color:var(--accent)}
.po-x:focus-visible,.po-copy:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.po-body{overflow:auto;padding:0 1.3rem 1.4rem;min-height:0}
.po-body pre{max-height:none!important}
html.po-lock{overflow:hidden}
@media(max-width:560px){.po-head{flex-wrap:wrap}.po-head .pd-title{flex-basis:100%;order:3}}

/* ---- round 3: plain two-column text with headers ---- */
body.cs-mama .plain2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 40px;margin-top:1.6rem}
body.cs-mama .plain2 .pt{min-width:0}
body.cs-mama .plain2 .pt h3{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;font-weight:500;color:var(--accent-text,var(--accent));margin:0 0 .8rem}
body.cs-mama .plain2 .pt p{font-size:1.05rem;margin:0 0 .9em;text-align:justify;hyphens:auto}
body.cs-mama .plain2 .pt p:last-child{margin-bottom:0}
body.cs-mama .plain2+.wide-figure,body.cs-mama .wide-figure+.plain2{margin-top:2rem}
@media(max-width:820px){body.cs-mama .plain2{grid-template-columns:1fr;gap:1.6rem}}
body.cs-mama .split-media+.plain2{margin-top:2rem}
body.cs-mama .plain2+.prompt-pair{margin-top:1.8rem}

/* hero title on three lines */
body.cs-mama .cs-hero h1 .ln{display:block;white-space:nowrap}
body.cs-mama .cs-hero h1{max-width:none;font-size:clamp(2.1rem,6.2vw,5.4rem)}
@media(min-width:1001px){body.cs-mama .cs-hero h1{max-width:none}}
@media(max-width:560px){body.cs-mama .cs-hero h1{font-size:clamp(1.7rem,8vw,2.2rem)}}

/* ---- round 3: character sheets as folder tabs ---- */
body.cs-mama .mtabs{margin-top:1.8rem;min-width:0}
body.cs-mama .mt-tabs{display:flex;gap:6px;flex-wrap:wrap;position:relative;z-index:2}
body.cs-mama .mt-tabs button{font:500 .9rem var(--sans,inherit);color:var(--ink-2);background:var(--bg-deep);border:1px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0;padding:.7rem 1.2rem .6rem;cursor:pointer;display:flex;gap:.6rem;align-items:center;transition:background .3s,color .3s,transform .3s,border-color .3s}
body.cs-mama .mt-tabs button span{font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--accent-text,var(--accent))}
@media(hover:hover){body.cs-mama .mt-tabs button:hover{color:var(--ink);transform:translateY(-3px);border-color:var(--accent)}}
body.cs-mama .mt-tabs button.on{background:var(--surface);color:var(--ink);border-color:var(--accent);padding-top:.9rem;margin-bottom:-1px;transform:none}
body.cs-mama .mt-tabs button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
body.cs-mama .mt-view{background:var(--surface);border:1px solid var(--accent);border-radius:0 14px 14px 14px;padding:1rem}
body.cs-mama .mt-card{display:none;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:1.6rem;align-items:stretch}
body.cs-mama .mt-card.on{display:grid}
body.cs-mama .mt-face{background:#0d0d0d;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;align-self:start}
body.cs-mama .mt-face img{display:block;width:100%;height:auto;cursor:zoom-in}
body.cs-mama .mt-info{display:flex;flex-direction:column;gap:.7rem;min-width:0;min-height:0;padding:.3rem .4rem 0;position:relative}
body.cs-mama .mt-info>.mono{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-text,var(--accent))}
body.cs-mama .mt-prompt{flex:1 1 auto;min-height:0;overflow:auto;padding-right:.4rem}
body.cs-mama .mt-pl{display:block;font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.5rem}
body.cs-mama .mt-prompt pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--mono);font-size:.74rem;line-height:1.6;color:var(--ink);text-align:justify}
body.cs-mama .mt-note{margin:0;color:var(--ink-2)}
@media(min-width:821px){body.cs-mama .mt-card.on{grid-template-rows:auto}body.cs-mama .mt-info{contain:size}}
@media(max-width:820px){body.cs-mama .mt-card{grid-template-columns:1fr}body.cs-mama .mt-prompt{max-height:300px}}

/* ---- round 3: ch04 working notes as one ruled block ---- */
body.cs-mama .iter3{margin-top:2.4rem;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--ink);counter-reset:it}
body.cs-mama .iter3>div{padding:1.1rem 1.6rem 0 0;counter-increment:it;min-width:0}
body.cs-mama .iter3>div+div{padding-left:1.6rem;border-left:1px solid var(--line)}
body.cs-mama .iter3 .fid{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-text,var(--accent));margin:0 0 .9rem}
body.cs-mama .iter3 .fid::before{content:counter(it,decimal-leading-zero) "  ";color:var(--ink-2)}
body.cs-mama .iter3 ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
body.cs-mama .iter3 li{font-size:1.02rem;line-height:1.5;color:var(--ink);padding:0}
body.cs-mama .iter3 li::before{content:none}
@media(max-width:820px){
 body.cs-mama .iter3{grid-template-columns:1fr}
 body.cs-mama .iter3>div,body.cs-mama .iter3>div+div{padding:1.1rem 0 1.2rem;border-left:0}
 body.cs-mama .iter3>div+div{border-top:1px solid var(--line)}
}
body.cs-mama .iter3 li{text-align:left;hyphens:none}
body.cs-mama .mt-prompt pre{text-align:left}

/* ---- round 3: ch08 stacked bars that open on click ---- */
body.cs-mama .accs{display:grid;gap:.7rem;margin-top:1.8rem}
body.cs-mama .acc{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .25s,background-color .25s}
body.cs-mama .acc.open{border-color:var(--accent)}
body.cs-mama .acc-h{all:unset;box-sizing:border-box;display:flex;align-items:center;gap:1rem;width:100%;padding:1.1rem 1.3rem;cursor:pointer}
body.cs-mama .acc-h:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:14px}
body.cs-mama .acc-n{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;color:var(--accent-text,var(--accent));flex:none}
body.cs-mama .acc-t{flex:1;min-width:0;font-size:1.15rem;line-height:1.3;color:var(--ink);letter-spacing:-.01em}
body.cs-mama .acc-i{flex:none;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);position:relative;transition:background .25s,border-color .25s}
body.cs-mama .acc-i::before,body.cs-mama .acc-i::after{content:'';position:absolute;left:50%;top:50%;width:10px;height:1.6px;background:var(--ink);transform:translate(-50%,-50%);transition:transform .35s var(--ease)}
body.cs-mama .acc-i::after{transform:translate(-50%,-50%) rotate(90deg)}
body.cs-mama .acc.open .acc-i::after{transform:translate(-50%,-50%) rotate(0)}
@media(hover:hover){body.cs-mama .acc-h:hover .acc-i{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,transparent)}body.cs-mama .acc:hover{border-color:var(--accent)}}
body.cs-mama .acc-b{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s var(--ease)}
body.cs-mama .acc.open .acc-b{grid-template-rows:1fr}
body.cs-mama .acc-in{overflow:hidden;min-height:0}
body.cs-mama .acc-in p{margin:0;padding:0 1.3rem 1.3rem calc(1.3rem + 2.2rem);font-size:1.05rem;text-align:justify;hyphens:auto}
@media(max-width:560px){body.cs-mama .acc-in p{padding-left:1.3rem}}
@media(prefers-reduced-motion:reduce){body.cs-mama .acc-b,body.cs-mama .acc-i::after{transition:none}}

/* ch09: even columns */
body.cs-mama #end .cols{orphans:1;widows:1}
body.cs-mama #end .cols>p{orphans:1;widows:1}

/* ch08: open on hover (mouse); tap on touch; focus for keyboard */
@media(hover:hover){
 body.cs-mama .acc:hover .acc-b,body.cs-mama .acc:focus-within .acc-b{grid-template-rows:1fr}
 body.cs-mama .acc:hover,body.cs-mama .acc:focus-within{border-color:var(--accent)}
 body.cs-mama .acc:hover .acc-i::after,body.cs-mama .acc:focus-within .acc-i::after{transform:translate(-50%,-50%) rotate(0)}
 body.cs-mama .acc-h{cursor:default}
}

/* ch08: each bar its own colour */
body.cs-mama .acc:nth-child(1){--ac:#FF6A38}
body.cs-mama .acc:nth-child(2){--ac:#7B6CF0}
body.cs-mama .acc:nth-child(3){--ac:#2FA37A}
body.cs-mama .acc{background:color-mix(in srgb,var(--ac) 11%,var(--surface));border-color:color-mix(in srgb,var(--ac) 38%,var(--line))}
body.cs-mama .acc-n{color:color-mix(in srgb,var(--ac) 65%,var(--ink))}
body.cs-mama .acc-i{border-color:color-mix(in srgb,var(--ac) 50%,var(--line))}
body.cs-mama .acc.open{border-color:var(--ac)}
@media(hover:hover){
 body.cs-mama .acc:hover,body.cs-mama .acc:focus-within{border-color:var(--ac);background:color-mix(in srgb,var(--ac) 17%,var(--surface))}
 body.cs-mama .acc-h:hover .acc-i{border-color:var(--ac);background:color-mix(in srgb,var(--ac) 25%,transparent)}
}
body.cs-mama .acc-h:focus-visible{outline-color:var(--ac)}

/* one universal colour for every prompt button */
body.cs-mama .pbtn,html[data-theme="dark"] body.cs-mama .pbtn{background:color-mix(in srgb,var(--accent) 11%,var(--surface));border-color:color-mix(in srgb,var(--accent) 38%,var(--line));color:var(--ink)}
body.cs-mama .pbtn .pd-title{color:var(--ink-2)}
body.cs-mama .pbtn .pd-icon{border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}
@media(hover:hover){body.cs-mama .pbtn:hover{background:color-mix(in srgb,var(--accent) 17%,var(--surface));border-color:var(--accent)}}

/* ch04: failure labels stay on one line; Prompt-only buttons */
body.cs-mama .gen-shots figure{container-type:inline-size}
body.cs-mama .gen-shots .fl{white-space:nowrap;font-size:min(.6rem,calc((100cqw - 20px)/13.5));letter-spacing:.03em;padding-left:.45rem;padding-right:.45rem;max-width:100%}
body.cs-mama .pbtn .pd-tag{flex:none}
body.cs-mama .pbtn>.pd-tag+.pd-icon{margin-left:auto}

/* ch08: slower, softer reveal */
body.cs-mama .acc{transition:border-color .6s ease,background-color .6s ease}
body.cs-mama .acc-b{transition:grid-template-rows .9s cubic-bezier(.25,.8,.25,1)}
body.cs-mama .acc-in p{opacity:0;transform:translateY(-6px);transition:opacity .5s ease,transform .8s cubic-bezier(.25,.8,.25,1)}
body.cs-mama .acc.open .acc-in p{opacity:1;transform:none;transition-delay:.2s}
body.cs-mama .acc-i,body.cs-mama .acc-i::before,body.cs-mama .acc-i::after{transition-duration:.7s}
@media(hover:hover){
 body.cs-mama .acc:hover .acc-in p,body.cs-mama .acc:focus-within .acc-in p{opacity:1;transform:none;transition-delay:.2s}
}
@media(prefers-reduced-motion:reduce){body.cs-mama .acc-in p{transition:none;opacity:1;transform:none}}

/* images that open the overlay: zoom cursor + corner badge on the wide figures */
body.cs-mama [data-lightbox]{cursor:zoom-in}
body.cs-mama .wide-figure{position:relative}
body.cs-mama .wide-figure::after{content:'⤢';position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:rgba(16,14,10,.62);color:#fff;font-size:1rem;line-height:1;pointer-events:none;backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,.25);transition:background .25s,border-color .25s}
@media(hover:hover){body.cs-mama .wide-figure:hover::after{background:var(--accent);border-color:var(--accent)}}