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@media(prefers-reduced-motion:reduce){.enter-door,.enter-door svg,.door-art{transition:none}.enter-door:hover{transform:none}}

html:has(body.welcome-mode){background:#17201b}
/* Edition 04 adds a learning route without changing the reference design. */
.method-entry{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--green);color:var(--paper);padding:34px 36px;margin:36px 0 22px;text-decoration:none}.method-entry h2{font-size:clamp(30px,3vw,42px)}.method-entry .eyebrow{color:inherit;opacity:.8;margin-bottom:12px}.method-entry p:not(.eyebrow){margin-top:14px;font-size:14px}.method-entry>span{white-space:nowrap;font-size:14px}.method-entry+.continue-panel{margin-top:0}.method-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;border-bottom:1px solid var(--line);margin-bottom:36px}.method-tabs a{text-decoration:none;font-size:14px;padding:12px 4px 19px;display:flex;gap:12px;align-items:center}.method-tabs a span{font:20px Gloock;color:var(--accent)}.method-tabs a[aria-current=page]{border-bottom:3px solid var(--accent);font-weight:650}.method-body{max-width:840px}.method-body ol{counter-reset:method;list-style:none;padding:0}.method-body ol>li{position:relative;padding:0 0 27px 48px;margin:0 0 24px;border-bottom:1px solid var(--line);counter-increment:method}.method-body ol>li::before{content:counter(method,decimal-leading-zero);font:24px Gloock;color:var(--accent);position:absolute;left:0;top:0}.method-body ol>li strong{display:block;font-size:19px;margin-bottom:9px}.method-body table{font-size:14px}.lab-source{font-size:12px;color:var(--muted);max-width:820px;margin-bottom:30px}.lab-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px;max-width:740px}.lab-steps a{display:flex;gap:12px;align-items:center;padding:12px 0;text-decoration:none;font-size:14px;border-bottom:1px solid var(--line)}.lab-steps a[aria-current=step]{border-bottom:3px solid var(--accent);font-weight:650}.lab-steps a[aria-disabled=true]{opacity:.45;pointer-events:none}.lab-steps span{font:21px Gloock;color:var(--accent)}.lab-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:44px;align-items:start}.lab-form{margin-top:30px}.lab-field{margin-bottom:24px}.lab-field label{display:block;font-size:15px;font-weight:550;line-height:1.5;margin-bottom:10px}.lab-field input[type=number]{width:min(100%,260px);font:28px Gloock;padding:13px 16px}.lab-field textarea{font-size:16px;min-height:112px}.lab-field input[readonly]{background:var(--wash)}.lab-sidebar{background:var(--wash);padding:24px;font-size:14px}.lab-sidebar h3{font:25px/1.2 Gloock;margin-bottom:18px}.lab-sidebar>p{margin-bottom:16px}.lab-sidebar .review-record{margin:0;border:0}.lab-sidebar .review-record summary{font-weight:600}.commit-record p{margin:18px 0;font-size:13px;overflow-wrap:anywhere}.commit-record strong{display:block;line-height:1.5;margin-bottom:5px}.commit-record span{white-space:pre-wrap;line-height:1.6;display:block}.decision-comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.decision-comparison details{background:var(--wash);padding:18px 22px}.review-opening{display:flex;align-items:center;gap:25px;justify-content:space-between}.review-opening .intro{margin-top:0}.review-opening button{white-space:nowrap}.debrief-content{max-width:900px}.reveal-section{border-top:1px solid var(--line);padding:0}.reveal-section>summary{font:24px/1.35 Gloock;padding:22px 0;cursor:pointer}.reveal-section .prose{padding-bottom:22px}.review-work{border-top:3px solid var(--accent);margin-top:45px;padding-top:32px;max-width:850px}.review-work .intro{font-size:16px}.review-work h2{font-size:34px}.source-access{margin-top:30px;font-size:14px}.source-access p{margin:15px 0}.lab-choice .symbol{font:32px Gloock}.lab-choice:first-child{border-top:2px solid var(--accent)}
@media(max-width:1200px){.lab-layout{grid-template-columns:minmax(0,1fr) 230px;gap:25px}}
@media(max-width:960px){.rail nav{grid-template-columns:repeat(6,1fr)}.rail nav a{font-size:11px;padding:10px 2px}.method-entry{padding:28px}.lab-layout{grid-template-columns:minmax(0,1fr)}.lab-sidebar{order:-1}.lab-sidebar>h3,.lab-sidebar>p{display:none}.lab-sidebar:has(>h3){display:none}.lab-sidebar details .commit-record{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.lab-sidebar details .commit-record p{margin:12px 0}.review-opening{display:block}.review-opening button{margin-top:18px}}
@media(max-width:600px){.method-entry{display:block}.method-entry>span{display:block;margin-top:24px}.method-tabs{grid-template-columns:1fr 1fr;gap:0 20px}.method-tabs a{font-size:13px}.method-body ol>li{padding-left:38px}.lab-steps{gap:10px}.lab-steps a{font-size:12px;gap:8px}.decision-comparison{grid-template-columns:1fr;gap:0}.lab-sidebar details .commit-record{display:block}.review-work h2{font-size:30px}.reveal-section>summary{font-size:22px}.lab-field input[type=number]{width:100%}}
/* An optional reading route. The established colour, type, and practice stay. */
.reading-choices{display:grid;gap:12px;min-width:200px}.deeper-entry{display:flex;justify-content:space-between;gap:25px;padding:14px 22px;border:1px solid var(--green);border-radius:3px;text-decoration:none;font-weight:600;color:var(--green)}.deeper-entry:hover{background:var(--paper)}.steps .deeper-tab{color:var(--accent);margin-left:auto;border:1px solid var(--accent)}.depth-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px;font-size:14px}.depth-intro{font-size:18px;color:var(--muted);max-width:770px;line-height:1.7}.depth-contents{display:flex;flex-wrap:wrap;gap:8px 22px;margin:26px 0 42px;max-width:850px}.depth-contents button{border:0;padding:8px 0;font-size:13px;text-decoration:underline;text-underline-offset:5px;text-align:left;color:var(--accent)}.depth-prose{max-width:800px}.depth-prose .depth-section{margin-bottom:38px;scroll-margin-top:24px;outline:none}.depth-prose h2{font-size:clamp(27px,3vw,37px);margin:0 0 20px}.depth-prose p{font-size:18px;line-height:1.85}.depth-prose p+p{margin-top:18px}.depth-original{max-width:850px;margin:40px 0 28px;background:var(--wash);padding:24px 28px;scroll-margin-top:24px}.depth-original summary{font:25px/1.3 Gloock;cursor:pointer}.depth-original>.helper{margin:18px 0 26px}.depth-original .prose{padding-top:4px}.depth-note{max-width:800px;margin:25px 0 32px}.depth-note summary{cursor:pointer;font-size:16px;font-weight:600;padding:12px 0}.depth-note label{display:block;margin:18px 0 10px}.depth-note textarea{font-size:18px}.depth-basis{font-size:12px;color:var(--muted);max-width:790px;line-height:1.7;margin:25px 0}.depth-original summary:focus-visible,.depth-contents button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
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.depth-map{margin:24px 0 36px}.depth-map>summary{font-size:13px;font-weight:600;cursor:pointer;color:var(--muted)}.depth-map .depth-contents{margin:8px 0 0}@media(max-width:600px){.depth-map{margin:22px 0 30px}.depth-map>summary{padding:10px 0;font-size:14px}.depth-map .depth-contents{margin-top:10px}}
.library-return{display:none}@media(max-width:960px){.library-return{display:block;color:var(--muted);font-size:14px;margin-bottom:24px}.welcome-mode .library-return{padding:20px 24px 0;margin:0;position:relative;z-index:2;color:#ded6be}}
.study-tools{display:flex;flex-wrap:wrap;gap:6px 18px;margin:24px 0 32px;align-items:center}.study-tools button{font:14px/1.5 Commissioner,sans-serif;padding:9px 0;min-height:44px;border:0;border-radius:0;background:none;color:var(--muted);text-align:left}.study-tools button:hover{color:var(--accent);text-decoration:underline;text-underline-offset:5px;background:none}.study-tools button:last-child{margin-left:auto}.study-note-action{display:block;font:14px/1.5 Commissioner,sans-serif;margin:8px 0;border:0;padding:8px 0;color:var(--accent);background:none}.study-dialog{box-sizing:border-box;width:min(760px,calc(100% - 24px));max-height:90dvh;padding:clamp(20px,4vw,36px);background:var(--bg);color:var(--ink);font:16px/1.65 Commissioner,sans-serif;border:1px solid var(--line);overflow:auto}.study-dialog *{box-sizing:border-box}.study-dialog-top{display:flex;align-items:start;gap:16px;justify-content:space-between;margin-bottom:20px}.study-dialog-top h2{font-size:clamp(25px,3vw,32px);margin:0}.study-dialog-top button{border:0;font-size:26px;padding:0 10px;min-width:44px}.study-dialog p{margin:16px 0}.study-dialog .study-help{font-size:14px;color:var(--muted);line-height:1.65}.study-actions{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.study-actions button,.study-restore button,.study-recovery button{font-size:15px;padding:11px 15px;min-height:46px;white-space:normal}.study-actions .study-preferred{border-color:var(--accent);color:var(--accent)}.study-dialog .study-check{display:flex;align-items:flex-start;gap:12px;margin:22px 0;cursor:pointer;font-size:15px}.study-dialog input[type=checkbox]{appearance:auto;width:20px;height:20px;min-height:20px;flex:0 0 20px;margin:3px 0 0;accent-color:var(--accent)}.study-preview-label{display:block;margin:18px 0 10px}.study-dialog textarea{width:100%;min-height:240px;max-height:45dvh;font:15px/1.65 Commissioner,sans-serif;padding:14px;resize:vertical;background:var(--paper,var(--bg));color:var(--ink)}.study-restore{margin:28px 0}.study-restore summary{font-size:18px;cursor:pointer;padding:10px 0}.study-restore label:not(.study-check){display:block;margin:12px 0}.study-dialog input[type=file]{display:block;width:100%;font-size:14px;padding:12px 0;white-space:normal}.study-status{font-size:15px;color:var(--accent);overflow-wrap:anywhere}.study-dialog [hidden]{display:none!important}.welcome-mode .study-tools{max-width:480px;margin:18px 0 0}.welcome-mode .study-tools button:last-child{margin-left:0}@media(max-width:600px){.study-tools{gap:4px 18px;margin:16px 0 26px;display:grid;grid-template-columns:1fr 1fr}.study-tools button{font-size:14px}.study-tools button:last-child{margin-left:0}.study-actions{display:grid;grid-template-columns:1fr}.study-actions button{width:100%;text-align:left}.study-dialog{max-height:88dvh}.study-dialog textarea{min-height:190px}.study-note-action{font-size:15px}}
.welcome-mode .study-tools button{color:inherit;opacity:.85}.welcome-mode .study-tools button:hover{opacity:1}