/* A quiet, readable extension of The Quarter Engineer's editorial language. */
.thesis-page{--mute:#aaa295}
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.thesis-page .mast .end{display:flex;gap:1.6rem}
.thesis{max-width:none;margin:0;padding:0 1.35rem}
.thesis :is(section,li)[id]{scroll-margin-top:6rem}
.thesis .reading{width:100%;max-width:42rem;margin-inline:auto}
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.thesis .thesis-deck{font-size:1.12rem;line-height:1.65;color:var(--ink-2);margin:0 0 1.6rem}
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.begin-reading span{font-size:1.1rem}
.thesis-hero{max-width:74rem;margin:0 auto 4rem}
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.chapter{padding-top:6.5rem}
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.thesis blockquote p{font:400 2rem/1.3 var(--display);color:var(--ink);margin:0}
.takeaway{border-top:1px solid var(--accent);border-bottom:1px solid var(--hair);padding:2rem 0;margin:2.5rem 0}
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/* The thesis explains a method, so its visual vocabulary is flow and state. */
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.logic-tag{display:block;margin-top:1rem;font:400 .64rem/1.6 var(--caps);color:var(--accent)}
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.logic-dot{width:.5rem;height:.5rem;flex-shrink:0;border:1px solid var(--accent);transform:rotate(45deg)}
.thesis .logic-overview figcaption{display:block;font-size:.75rem;max-width:52rem}
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.thesis .grammar-flow p{font:400 1rem/1.5 var(--caps);margin:0 0 .7rem}
.grammar-flow small{font:400 .78rem/1.6 var(--caps);color:var(--ink-2)}
.coordinate-line{border-top:1px solid var(--hair);padding:1.4rem 0 0;gap:1rem}
.coordinate-line span{font-size:1.15rem}
.transition-map>li{padding-top:.8rem}
.transition-map span{display:block;font:500 .67rem/1.6 var(--caps);color:var(--accent);margin-bottom:.7rem}
.transition-map strong{display:block;font:400 1.25rem/1.4 var(--display)}
.decision-paths{border-left:1px solid #726046;margin-top:2rem}
.decision-paths>div{position:relative;padding:0 0 1.8rem 1.3rem}
.decision-paths>div:last-child{padding-bottom:0}
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.path-state{display:block;font:500 .74rem/1.65 var(--caps);color:var(--accent);margin-bottom:.55rem}
.thesis .decision-paths p{font-size:1.06rem;line-height:1.65;margin:0}
.transfer-figure{padding:2rem;border:1px solid var(--hair);background:#11100e}
.transfer-core{text-align:center;border:1px solid var(--accent);padding:1.5rem}
.thesis .transfer-core p{font:400 clamp(1.3rem,2.5vw,1.8rem)/1.6 var(--display);margin:.6rem 0}
.transfer-core p span{color:var(--accent);padding-inline:.3rem}
.transfer-core small{font:400 .75rem/1.65 var(--caps);color:var(--ink-2)}
.transfer-stem{height:2.5rem;text-align:center;font-size:1.7rem;line-height:2.5rem;color:var(--accent)}
.transfer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem;border-top:1px solid var(--accent)}
.transfer-grid>div{position:relative;padding-top:1.5rem;min-width:0}
.transfer-grid>div::before{content:'';position:absolute;top:0;left:50%;height:.8rem;border-left:1px solid var(--accent)}
.transfer-grid h4{font-size:1.6rem}
.thesis .transfer-grid p{font:400 .84rem/1.65 var(--caps);color:var(--ink-2);margin:0}
.transfer-foundation{margin-top:2rem;padding-top:1.4rem;border-top:1px solid var(--hair)}
.thesis .transfer-foundation p{font:400 .8rem/1.8 var(--caps);margin:0;color:var(--ink-2)}
.learning-loop li{position:relative}
.learning-loop li::after{content:'→';position:absolute;right:0;top:.9rem;color:var(--accent)}
.learning-loop li:last-child::after{content:'↶'}
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}
@media(max-width:48rem){
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  .thesis .logic-flow p{font-size:.83rem;margin-top:.4rem}
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  .logic-feedback{margin-top:1rem}
}
@media(max-width:32rem){
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  .thesis .logic-flow p{margin:.3rem 0}.logic-tag{margin-top:.4rem}
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  .grammar-flow>li:not(:last-child)::after,.transition-map>li:not(:last-child)::after{content:'↓';right:.1rem;top:auto;bottom:-1.45rem}
  .coordinate-line{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem 1rem}.coordinate-line span{font-size:1.1rem}
  .scenario-controls{display:grid;grid-template-columns:1fr 1fr}.scenario-controls button{font-size:.75rem;padding:.7rem .6rem}
  .transfer-grid{grid-template-columns:1fr;border-top:0;border-left:1px solid var(--accent);gap:1.5rem}
  .transfer-grid>div{padding:0 0 0 1rem}.transfer-grid>div::before{top:.5rem;left:0;width:.6rem;height:0;border-left:0;border-top:1px solid var(--accent)}
  .transfer-grid .logic-number{font-size:.62rem}.transfer-core{padding:1rem}.transfer-core p span{display:block;font-size:1.1rem;line-height:1.5;transform:rotate(90deg)}
  .learning-loop{grid-template-columns:1fr}.learning-loop li::after{content:'↓'}
}

/* Reading comfort on both a laptop and a narrow phone; diagrams retain real text. */
.thesis .reading{max-width:39rem}
.thesis :is(p,li,dd,td,th,figcaption,h2,h3,h4){overflow-wrap:break-word}
.thesis .reading>p{text-wrap:pretty}
.thesis .contents a{min-height:44px;display:flex;align-items:center}
.thesis-page .mast{background:var(--bg)}
.thesis-page .mast .end{align-items:center}
.reader-nav{position:relative;font-family:var(--caps)}
.reader-nav summary{cursor:pointer;display:flex;align-items:center;gap:.5rem;min-height:44px;color:var(--ink-2);font:400 .7rem/1.4 var(--caps);letter-spacing:.1em;text-transform:uppercase;list-style:none}
.reader-nav summary::-webkit-details-marker{display:none}
.reader-nav summary::after{content:'⌄';font-size:1rem;line-height:1}
.reader-nav[open] summary::after{content:'⌃'}
.reader-nav nav{position:absolute;top:calc(100% + .5rem);right:0;width:min(23rem,calc(100vw - 2rem));max-height:65vh;max-height:65dvh;overflow-y:auto;overscroll-behavior:contain;background:var(--bg);border:1px solid var(--hair);box-shadow:0 12px 30px #0006;padding:.6rem}
.reader-nav ol{list-style:none;padding:0;margin:0}
.thesis-page .mast .reader-nav a{display:flex;align-items:center;min-height:44px;padding:.65rem .75rem;font:400 .85rem/1.5 var(--caps);text-transform:none;letter-spacing:0;color:var(--ink-2)}
.thesis-page .mast .reader-nav a:hover,.thesis-page .mast .reader-nav a:focus-visible{background:#211d17;color:var(--ink)}
.thesis-page .mast .reader-nav a::after{display:none}
.thesis .logic-flow h3{text-wrap:pretty}
@media screen and (min-width:48.01rem) and (max-width:68rem){
  .logic-flow{grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem 1.5rem}
  .logic-flow>li:nth-child(3)::after{display:none}
  .business-chain{grid-template-columns:repeat(3,1fr)}
}
@media screen and (max-width:48rem){
  .reader-nav nav{right:-3.5rem}
  .thesis .thesis-cover{padding-top:6.2rem}
  .thesis .logic-flow p,.context-grid dd,.grammar-flow small,.transfer-core small,.transfer-grid p,.learning-loop span,.business-chain small,.thesis .study-grid p,.thesis figcaption,.thesis .logic-overview figcaption,.thesis .figure-note{font-size:.875rem}
  .thesis .logic-flow .logic-number,.logic-tag{font-size:.7rem;letter-spacing:.05em}
  .thesis .wide{padding:1.25rem}
  .thesis .authority-figure table,.thesis .authority-figure tbody,.thesis .authority-figure tr,.thesis .authority-figure td,.thesis .authority-figure tbody th{display:block;width:100%}
  .thesis .authority-figure thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .thesis .authority-figure tr{border-top:1px solid var(--hair);padding:1.1rem 0}
  .thesis .authority-figure td,.thesis .authority-figure tbody th{padding:.3rem 0;border:0;min-width:0;font-size:.9rem}
  .thesis .authority-figure tbody th{color:var(--accent);font-size:.75rem;text-transform:uppercase;letter-spacing:.06em}
  .thesis .authority-figure td:nth-child(2){font-size:1.1rem;color:var(--ink)}
}
@media screen and (max-width:32rem){
  .thesis{padding-inline:1.1rem}
  .thesis h1{font-size:clamp(2.8rem,13.5vw,3.6rem)}
  .thesis h2{font-size:clamp(2rem,9vw,2.35rem)}
  .thesis p,.propositions li{font-size:1.1875rem;line-height:1.72}
  .thesis p{margin-bottom:1.25em}
  .thesis .chapter{padding-top:3.9rem}
  .thesis .context-grid,.thesis .study-grid{grid-template-columns:1fr}
  .context-grid dt{font-size:1.5rem}
  .context-grid{gap:1.25rem}
  .thesis .logic-overview{padding:1.1rem}
  .thesis .logic-feedback p,.thesis .logic-exception p,.thesis .transfer-foundation p{font-size:.875rem}
  .thesis .figure-heading h3{font-size:1.8rem}
  .thesis .scenario-controls button{font-size:.875rem}
  .reader-nav summary{font-size:.63rem;letter-spacing:.07em}
  .thesis-page .mast{padding-block:.55rem}
}
@media print{
  .reader-nav{display:none}
  .thesis .reading{max-width:none}
}
@media print{
  .logic-overview,.transfer-figure,.logic-brain{background:#fff}
  .logic-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem}
  .logic-flow>li{display:block;padding:.6rem 0;margin:0}
  .thesis .logic-flow h3{font-size:14pt}.thesis .logic-flow p{font-size:8pt}.logic-tag,.logic-number{font-size:7pt}
  .logic-flow>li:not(:last-child)::after{content:'→';top:-.6rem;right:-.8rem;bottom:auto}
  .thesis .logic-overview{max-width:none;break-inside:avoid;padding:1rem}
  .grammar-flow,.transition-map,.transfer-grid{display:grid;grid-template-columns:repeat(3,1fr)}
  .grammar-flow>li:not(:last-child)::after,.transition-map>li:not(:last-child)::after{content:'→';right:-1.35rem;top:-.7rem;bottom:auto}
  .thesis .scenario-figure{break-inside:auto}.scenario{break-inside:avoid}
  .thesis .decision-paths p{font-size:10pt}.transfer-core p span{display:inline;transform:none}
}

/* Keep the human consequence visible beside the operating diagrams. */
.expectation-figure{padding:2rem;border:1px solid var(--hair);background:#11100e;scroll-margin-top:6rem}
.expectation-paths{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem;margin-top:1.8rem}
.expectation-paths>div{border-top:1px solid var(--accent);padding-top:1.2rem;min-width:0}
.expectation-paths ol{list-style:none;counter-reset:expectation;margin:1.4rem 0 0;padding:0}
.expectation-paths li{counter-increment:expectation;display:flex;gap:1rem;align-items:baseline;padding:.65rem 0;border-bottom:1px solid var(--hair);font:400 clamp(1.2rem,2.2vw,1.55rem)/1.3 var(--display);color:var(--ink)}
.expectation-paths li::before{content:'0' counter(expectation);flex:none;font:400 .69rem/1.5 var(--caps);color:var(--accent)}
.expectation-paths>div:last-child li:last-child{color:var(--accent)}
@media(max-width:48rem){.expectation-paths{grid-template-columns:1fr;gap:2.2rem}}
@media(max-width:32rem){.expectation-figure{padding:1.2rem}.expectation-paths li{font-size:1.35rem}}
@media print{.expectation-figure{background:#fff}.expectation-paths{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.expectation-paths li{font-size:12pt}}

/* The Listen control stays within reach while a chapter is on screen. */
.thesis-listen{position:sticky;top:4.2rem;z-index:6;background:var(--bg);padding:.35rem 0 .7rem;max-width:42rem;margin:0 auto .4rem}
.thesis-listen #listen-section{max-width:12rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2);font-size:11px}
.thesis [data-say]{scroll-margin-top:7rem;scroll-margin-bottom:8rem}
.thesis [data-say].is-speaking{box-shadow:inset 3px 0 0 var(--accent)}
@media print{.thesis-listen,.thesis [data-say].is-speaking{box-shadow:none}}