.story-reader{padding:30px 0 55px}.story-topline{font:12px/1.6 var(--sans);color:var(--muted);justify-content:space-between;gap:20px;margin-bottom:32px;display:flex}.story-topline>span{font:11px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.08em}.story-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;padding-bottom:14px;display:flex}.story-toolbar button,.story-share button,.story-return{font:13px/1.4 var(--sans);background:0 0;border:0;padding:8px 12px}.story-toolbar>button{padding-right:0}.story-toolbar>button span{margin-left:10px}.story-mode{background:var(--soft);border-radius:5px;gap:3px;padding:3px;display:flex}.story-mode button{color:var(--muted);border-radius:3px}.story-mode button[aria-pressed=true]{background:var(--surface);color:var(--accent);box-shadow:0 1px 3px #182c1520}.story-progress{gap:6px;margin:16px 0 0;display:flex}.story-progress button{background:0 0;border:0;flex:1;height:18px;padding:0;position:relative}.story-progress button:after{content:"";background:var(--line);height:2px;display:block}.story-progress button.visited:after{background:var(--accent)}.story-progress button[aria-current=step]:after{height:4px}.story-card{min-height:650px;padding:28px 30px 40px}.story-card:focus{outline:none}.story-card:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.story-chapter-label{font:11px/1.6 var(--mono);color:var(--muted);letter-spacing:.07em;text-transform:uppercase;justify-content:space-between;gap:15px;margin-bottom:30px;display:flex}.story-card-content{max-width:730px;margin:auto;animation:.25s ease-out story-in}.story-card h1{max-width:700px;margin:0 0 24px;font-size:clamp(32px,4vw,48px);line-height:1.14}.story-card p{font-size:17px;line-height:1.75}.story-card p.story-deck{font:19px/1.65 var(--serif);color:var(--muted);max-width:640px}.story-card p.story-pullquote{border-left:2px solid var(--accent);color:var(--accent);margin-top:27px;padding-left:20px;font-size:21px}.story-card p.story-small{font:12px/1.7 var(--sans);color:var(--muted);margin:27px 0 0}.system-drawing{max-width:590px;color:var(--accent);margin:35px auto}.system-drawing svg{width:100%;height:auto;display:block}.system-drawing figcaption{text-align:center;font:11px/1.5 var(--mono);color:var(--muted);margin-top:10px}.story-controls{border-top:1px solid var(--line);font:12px/1.5 var(--sans);color:var(--muted);justify-content:space-between;align-items:center;gap:18px;padding:20px 0;display:flex}.story-controls button{font:13px/1.4 var(--sans);border:1px solid var(--line);background:0 0;border-radius:4px;padding:13px 20px}.story-controls button:disabled{opacity:.4;cursor:default}.story-controls button.story-next{background:var(--accent);color:#fff;border-color:var(--accent)}.story-share{font:12px/1.5 var(--sans);color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding:15px 0;display:flex}.story-share button{padding-right:0}.story-share-status{overflow-wrap:anywhere;flex-basis:100%}.story-share-status:empty{display:none}.story-index{background:var(--background);color:var(--text);border:1px solid var(--line);border-radius:6px;width:min(600px,100% - 32px);max-height:calc(100dvh - 50px);padding:35px;overflow-y:auto}.story-index::backdrop{background:#16231bb3}.story-index>div{position:relative}.story-index h2{margin:0 0 25px}.story-index-close{font:30px/1 var(--sans);background:0 0;border:0;position:absolute;top:0;right:0}.story-index ol{margin:0;padding:0;list-style:none}.story-index li{border-top:1px solid var(--line)}.story-index li button{text-align:left;width:100%;font:16px/1.5 var(--serif);background:0 0;border:0;grid-template-columns:25px 1fr 15px;gap:13px;padding:15px 0;display:grid}.story-index li button span{font:11px/1.8 var(--mono);color:var(--muted)}.story-longread{max-width:730px;margin:50px auto 0}.story-longread[hidden]{display:none}.story-longread header h1{margin:20px 0;font-size:clamp(34px,4.5vw,50px);line-height:1.15}.story-longread .story-deck{color:var(--muted);font-size:21px}.story-byline{font:12px/1.6 var(--sans);color:var(--muted);margin-top:25px}.story-contents{background:var(--soft);font:14px/1.6 var(--sans);gap:8px;margin:40px 0;padding:25px;display:grid}.story-contents>span{font:11px/1.6 var(--mono);text-transform:uppercase;color:var(--muted);margin-bottom:8px}.story-longread>section{border-top:1px solid var(--line);padding:40px 0 20px;scroll-margin-top:30px}.story-longread h2{margin:14px 0 22px;font-size:31px}.story-longread h3{font-size:22px}.story-return{margin:30px 0;padding-left:0}.algo-widget,.rule-sheet{border:1px solid var(--line);background:var(--surface);font-family:var(--sans);border-radius:5px;margin:28px 0;padding:27px}.widget-kicker{font:10px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--muted);display:block}.algo-widget h3{font:24px/1.3 var(--serif);letter-spacing:-.02em;margin:8px 0 16px}.story-reader .widget-note,.story-reader .story-source{font:12px/1.7 var(--sans);color:var(--muted)}.widget-options{flex-wrap:wrap;gap:7px;margin:18px 0;display:flex}.widget-options button{font:12px/1.5 var(--sans);border:1px solid var(--line);background:var(--background);border-radius:3px;padding:8px 12px}.widget-options button[aria-pressed=true]{background:var(--accent);color:#fff;border-color:var(--accent)}.workflow-comparison{grid-template-columns:1fr 1fr;gap:24px;margin:24px 0;display:grid}.workflow-comparison>div+div{border-left:1px solid var(--line);padding-left:24px}.workflow-comparison span{font:11px/1.5 var(--mono);text-transform:uppercase;color:var(--muted)}.story-reader .workflow-comparison p{font:16px/1.7 var(--serif);margin:10px 0 0}.story-reader .widget-takeaway{font:13px/1.7 var(--sans);border-top:1px solid var(--line);margin:0;padding-top:18px}.widget-heading{justify-content:space-between;align-items:start;gap:15px;display:flex}.widget-reset{font:12px/1.5 var(--sans);white-space:nowrap;background:0 0;border:0;flex-shrink:0;padding:0}.cost-widget label{font:13px/1.5 var(--sans);justify-content:space-between;gap:20px;margin:22px 0 10px;display:flex}.cost-widget output{font-family:var(--mono)}.cost-widget input{width:100%;accent-color:var(--accent);cursor:pointer;height:22px;margin:0}.cost-bars{gap:11px;margin:28px 0;display:grid}.cost-bars>div{font:11px/1.5 var(--sans);color:var(--muted);grid-template-columns:135px 1fr 50px;align-items:center;gap:12px;display:grid}.cost-bars i{background:var(--accent);height:9px;display:block}.cost-bars i.friction-bar{background:#b3997c}.cost-bars b{text-align:right;font:12px var(--mono);color:var(--text)}.cost-result{background:var(--soft);border-left:2px solid var(--accent);padding:18px}.cost-result>div{justify-content:space-between;align-items:center;gap:15px;display:flex}.cost-result span{font:12px/1.5 var(--sans)}.cost-result strong{font:34px/1.2 var(--serif);color:var(--accent);font-variant-numeric:tabular-nums}.story-reader .cost-result p{font:12px/1.7 var(--sans);margin:12px 0 0}.cost-result.negative{border-color:var(--danger);background:#f9eeea}.cost-result.negative strong{color:var(--danger)}.widget-method{font:12px/1.7 var(--sans);color:var(--muted);margin-top:18px}.widget-method summary{cursor:pointer;color:var(--accent)}.story-reader .widget-method p{font:inherit;margin:12px 0 0}.execution-status{border-block:1px solid var(--line);font:11px/1.6 var(--mono);color:var(--accent);justify-content:space-between;gap:15px;padding:16px 0;display:flex}.execution-result ol{margin:22px 0;padding:0;list-style:none}.execution-result li{font:13px/1.6 var(--sans);gap:15px;padding:7px 0;display:flex}.execution-result li span{font:10px/2 var(--mono);color:var(--muted)}.story-reader .execution-result p{font:14px/1.7 var(--serif);border-top:1px solid var(--line);padding-top:18px}.execution-widget>p.widget-note{margin-bottom:0}.rule-sheet ol{font:14px/1.8 var(--sans);margin-bottom:0;padding-left:22px}.rule-sheet li{padding:4px 0 4px 7px}.responsibility-list{margin:30px 0}.responsibility-list>div{border-top:1px solid var(--line);gap:22px;padding:21px 0;display:flex}.responsibility-list>div>span{color:var(--accent);font:11px/2 var(--mono)}.responsibility-list h3{margin:0 0 8px;font-size:22px}.story-reader .responsibility-list p{color:var(--muted);margin:0;font-size:15px}.story-closing{background:var(--soft);margin:30px 0;padding:27px}.story-reader .story-closing p{font:23px/1.7 var(--serif);color:var(--accent);margin:15px 0 0}.story-disclosure{border-top:1px solid var(--line);font:12px/1.7 var(--sans);color:var(--muted);margin-top:30px;padding-top:20px}.story-reader .story-disclosure p{font:inherit;margin:10px 0}.story-reader a:not(.story-topline a){text-decoration:underline}@keyframes story-in{0%{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.story-card-content{animation:none}html{scroll-behavior:auto}}@media (max-width:640px){.story-topline{margin-bottom:24px}.story-topline>span{display:none}.story-card{min-height:580px;padding:22px 0 28px}.story-chapter-label{margin-bottom:25px;font-size:9px}.story-card h1{font-size:36px}.story-card p{font-size:16px}.story-card p.story-deck{font-size:18px}.story-key-hint{display:none}.story-controls{gap:10px}.story-controls button{padding:12px;font-size:12px}.story-share{gap:5px;font-size:11px}.story-share button{font-size:11px}.algo-widget,.rule-sheet{margin:23px 0;padding:20px 16px}.workflow-comparison{gap:15px}.workflow-comparison>div+div{padding-left:15px}.workflow-comparison span{font-size:9px}.cost-bars>div{grid-template-columns:104px 1fr 37px;gap:7px;font-size:10px}.cost-widget label{font-size:12px}.cost-result{padding:15px}.cost-result strong{font-size:30px}.story-longread{margin-top:35px}.story-longread h2{font-size:28px}.story-index{padding:25px}.system-drawing{margin:30px 0}}@media print{.site-header,.site-footer,.story-toolbar,.story-topline,.story-progress,.story-card,.story-controls,.story-share,.story-index,.story-return{display:none!important}.story-longread[hidden]{display:block}.story-longread{max-width:none}.algo-widget{break-inside:avoid}}