/* Книжная структура справочников Макарова. Собственная палитра телеметрии. */
:root{--ink:#1d1f27;--soft:#4e5560;--faint:#8a919c;--accent:#d4380d;--bright:#ffb38f;--pale:#ffe7de;--teal:#147577;--teal-pale:#d9efeb;--violet:#756091;--paper:#eef1f5;--page:#ffffff;--line:#d5dae1;--mono:'Roboto Mono',monospace;--pixel:var(--mono);--display:Literata,Georgia,serif;--body:Inter,system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.8 var(--body);background-image:linear-gradient(#1d1f2706 1px,transparent 1px),linear-gradient(90deg,#1d1f2706 1px,transparent 1px);background-size:32px 32px;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-underline-offset:4px}a:hover{color:var(--ink)}button,input,select{font:inherit}button,summary{cursor:pointer}button{color:var(--ink)}button:disabled{opacity:.4;cursor:default}:focus-visible{outline:3px solid var(--teal);outline-offset:5px}.skip{position:absolute;left:20px;top:-100px;background:white;padding:10px;z-index:50}.skip:focus{top:15px}[hidden]{display:none!important}.progress{position:fixed;z-index:40;top:0;width:100%;height:4px}.progress span{display:block;height:100%;width:0;background:var(--accent)}.topbar{position:sticky;top:0;z-index:25;display:flex;gap:25px;align-items:center;padding:16px max(22px,calc((100vw - 1280px)/2));background:#eef1f5f5;border-bottom:1px solid var(--line);backdrop-filter:blur(10px);font-size:12px}.topbar a{text-decoration:none}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:700;line-height:1.4}.brand b{display:grid;place-items:center;background:var(--ink);color:var(--bright);width:42px;height:42px;font:700 29px var(--mono);box-shadow:3px 3px 0 var(--accent)}.top-links{display:flex;gap:25px;margin-left:auto}.chapter-menu{position:relative}.chapter-menu summary{font:600 12px var(--pixel);padding:10px;border:1px solid var(--ink)}.chapter-menu nav{position:absolute;right:0;top:48px;width:350px;max-height:75vh;overflow:auto;background:var(--page);border:2px solid var(--ink);padding:10px 16px;box-shadow:5px 5px 0 var(--ink)}.chapter-menu nav a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px;color:var(--soft)}.chapter-menu nav a[aria-current]{color:var(--accent);font-weight:700}.book{max-width:1260px;padding:40px 24px 80px;margin:auto}.book-body{display:grid;grid-template-columns:54px minmax(0,1fr);border:3px solid var(--ink);background:var(--page);box-shadow:9px 9px 0 var(--ink)}.spine{position:relative;background:var(--ink);overflow:hidden;display:flex;justify-content:center;align-items:flex-start;padding:42px 0;color:var(--bright)}.spine span{position:sticky;top:130px;writing-mode:vertical-rl;font:600 11px var(--pixel);text-transform:uppercase;letter-spacing:3px;white-space:nowrap}.spine:before,.spine:after{content:'';position:absolute;top:14px;bottom:14px;border-left:1px dashed #ffb38f70}.spine:before{left:12px}.spine:after{right:12px}.leaf{padding:clamp(28px,4.5vw,65px);min-width:0}.running{display:flex;justify-content:space-between;gap:20px;border-bottom:2px solid var(--ink);padding-bottom:16px;margin-bottom:40px;font:600 11px/1.6 var(--pixel);letter-spacing:1.3px;text-transform:uppercase;color:var(--soft)}.running a{text-decoration:none}.eyebrow{font:600 11px/1.6 var(--pixel);letter-spacing:1.3px;text-transform:uppercase;color:var(--accent)}h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.2;letter-spacing:-.025em}h1{font-size:clamp(34px,4.6vw,60px);margin:16px 0 23px;text-wrap:balance}h2{display:flex;gap:15px;align-items:baseline;font-size:clamp(25px,2.7vw,34px);margin:0 0 24px}.sec{flex:0 0 auto;background:var(--ink);color:var(--bright);font:600 12px var(--pixel);padding:5px 9px;letter-spacing:1px}h3{font-size:23px;margin:25px 0 13px}p{margin:0 0 19px}ul,ol{padding-left:23px;margin:0 0 20px}li{margin-bottom:10px}section{margin:52px 0}.chapter-num{display:inline-block;font:700 13px var(--pixel);padding:6px 12px;letter-spacing:2px;background:var(--accent);color:white;box-shadow:3px 3px 0 var(--ink)}.chapter-head{margin-bottom:32px}.lead{font-size:20px;line-height:1.7;color:var(--soft)}.passport{display:grid;grid-template-columns:repeat(4,1fr);border:2px solid var(--ink);box-shadow:5px 5px 0 var(--ink);margin:0 0 34px}.passport>div{padding:16px 18px;border-right:1px solid var(--line)}.passport>div:last-child{border:0}.passport dt{font:600 10px var(--pixel);text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:9px}.passport dd{margin:0;font-size:13px;line-height:1.6}.contents{border:1px dashed var(--ink);padding:22px 26px;margin:30px 0 45px}.contents>b{display:block;font:600 11px var(--pixel);text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:14px}.contents ol{columns:2;column-gap:35px;margin:0;font-size:14px}.contents li{break-inside:avoid;margin:7px 0}.contents a{text-decoration:none;color:var(--ink)}code{font:.86em/1.7 var(--mono);border:1px solid var(--line);background:white;padding:1px 4px;overflow-wrap:anywhere}.code{border:2px solid var(--ink);box-shadow:5px 5px 0 var(--ink);margin:27px 0;background:#201c28;overflow:hidden}.code figcaption{display:flex;justify-content:space-between;gap:18px;padding:10px 16px;background:var(--ink);color:var(--bright);font:500 11px/1.6 var(--mono)}.code figcaption a{color:var(--bright)}.code pre{padding:22px;margin:0;color:#ebe2ed;overflow:auto;font:13px/1.9 var(--mono);tab-size:4}.code code{font:inherit;border:0;padding:0;background:none;overflow-wrap:normal}.code .k{color:#e5a2d4}.code .s{color:#a9d4b2}.code .n{color:#ecc283}.code .c{color:#9fa6b8}.margin-note{border:1px solid var(--line);border-left:5px solid var(--accent);background:#f8f9fb;padding:23px 25px;margin:30px 0;font-size:15px}.margin-note>b{display:block;font:600 11px/1.6 var(--pixel);text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:13px}.margin-note p:last-child{margin:0}.table-scroll{margin:28px 0;overflow:auto;border:1px solid var(--line)}table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.75;background:white}th,td{padding:15px 17px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{background:var(--pale);font-size:12px;font-weight:700}tr:last-child td{border-bottom:0}.case{border:2px solid var(--ink);background:white;box-shadow:5px 5px 0 var(--pale);padding:26px;margin:30px 0}.case h3{margin-top:8px}.case details{border-top:1px solid var(--line);padding-top:16px;margin-top:22px}.case summary{color:var(--accent);font-size:14px;font-weight:600}.case details[open] summary{margin-bottom:18px}.case details p:last-child{margin-bottom:0}.source{font-size:12px;color:var(--soft);padding-top:8px}.references{border-top:1px solid var(--line);padding-top:12px}.references li{font-size:13px;margin:6px 0}.recap{padding:24px;background:var(--teal-pale);border-left:5px solid var(--teal)}.recap ul{margin:0}.recap li{font-size:15px}.recap li:last-child{margin:0}.evidence{margin:32px 0;border:2px solid var(--ink);box-shadow:5px 5px 0 var(--ink);background:white}.evidence .zoom{padding:0;border:0;display:block;width:100%;background:#eee;cursor:zoom-in}.evidence img{display:block;width:100%;height:auto}.evidence figcaption{padding:20px 23px;font-size:13px;color:var(--soft);line-height:1.8}.evidence figcaption b{display:block;color:var(--accent);font:600 11px/1.6 var(--pixel);letter-spacing:1px;text-transform:uppercase;margin-bottom:9px}.evidence figcaption p{margin:0 0 10px}dialog{border:2px solid var(--ink);padding:15px;background:var(--page);max-width:96vw;max-height:95vh;overflow:auto}dialog::backdrop{background:#17101ddd}dialog img{display:block;max-width:100%;height:auto;margin-top:15px}dialog form{display:flex;justify-content:flex-end;position:sticky;top:0}dialog button{border:1px solid var(--ink);background:var(--page);padding:10px 18px}dialog p{font-size:13px;margin:15px 0 0}.chapter-nav{display:flex;justify-content:space-between;gap:20px;border-top:2px solid var(--ink);padding-top:25px;margin-top:45px;font-size:14px}.chapter-nav a{text-decoration:none}footer{border-top:1px solid var(--line);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:var(--soft);font:10px/1.8 var(--mono)}.primary{display:inline-block;border:2px solid var(--ink);background:var(--ink);color:white;padding:13px 20px;box-shadow:4px 4px 0 var(--accent);font:600 14px/1.6 var(--body);text-decoration:none}.primary:hover{background:var(--accent);color:white}.cover{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(250px,.8fr);gap:40px;align-items:start}.cover h1{font-size:clamp(40px,5.3vw,72px);line-height:1.08}.cover-sub{font:500 23px/1.5 var(--display);color:var(--accent)}.cover p{font-size:16px}.cover .author-line{font:600 11px var(--pixel);letter-spacing:1px;text-transform:uppercase;margin:25px 0}.cover-sheet{padding:25px;border:2px solid var(--ink);box-shadow:7px 7px 0 var(--ink);transform:rotate(-1deg);background:#f8f9fb;margin-top:20px}.cover-sheet>div{padding:22px 0;border-bottom:1px solid var(--line)}.cover-sheet b{display:block;font:500 11px var(--mono);letter-spacing:1.2px}.cover-sheet p{font-size:12px;margin:10px 0 0}.cover-series{color:var(--accent)}.cover-series svg{display:block;width:100%;margin-bottom:10px}.cover-grid{stroke:var(--line);stroke-width:1}.cover-log{color:var(--teal)}.cover-log code{display:block;margin-top:13px;font-size:11px;border:0;background:none;padding:0}.cover-trace{color:var(--violet)}.cover-trace span{display:block;margin-top:9px;background:#e7def0;padding:4px 8px;font:10px var(--mono)}.cover-sheet small{display:block;color:var(--soft);font-size:10px;line-height:1.7;margin-top:18px}.cover-meta{display:flex;gap:9px;flex-wrap:wrap;margin:30px 0}.cover-meta span{border:1px solid var(--ink);background:white;padding:8px 11px;font:600 10px/1.6 var(--pixel);letter-spacing:.7px}.reading-path{display:flex;flex-wrap:wrap;align-items:center;gap:14px;border-block:1px solid var(--line);padding:20px 0;font-size:12px}.reading-path span{color:var(--accent)}.module-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.module{display:grid;grid-template-columns:34px minmax(0,1fr);background:white;border:2px solid var(--ink);box-shadow:5px 5px 0 var(--ink);min-width:0}.module-spine{writing-mode:vertical-rl;transform:rotate(180deg);display:flex;align-items:center;justify-content:center;background:var(--ink);color:var(--bright);font:600 11px var(--mono);letter-spacing:2px;padding:18px 7px}.module-body{padding:22px}.module-body h3{font-size:24px;margin:0 0 15px}.module-body>p{font-size:13px;color:var(--soft)}.toc{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.toc li{border-bottom:1px solid var(--line);margin:0}.toc li:last-child{border:0}.toc a,.planned-row{display:flex;align-items:baseline;gap:11px;padding:12px 0;color:var(--ink);text-decoration:none;font-size:13px;line-height:1.65}.toc b{font:500 11px var(--mono);color:var(--accent);flex-shrink:0}.toc span{flex:1;min-width:0}.toc em{font:500 9px var(--pixel);color:var(--accent);white-space:nowrap;font-style:normal}.practice-link{display:block;border:1px solid var(--accent);padding:12px 14px;font-size:12px;text-decoration:none;margin-top:20px}.module-ready{grid-column:1/-1}.module-ready .toc{display:grid;grid-template-columns:1fr 1fr;column-gap:30px}.planned{box-shadow:4px 4px 0 #c3c9d2}.planned .module-spine{background:#6f7682;color:#eef1f5}.planned-row{color:var(--soft)}.downloads{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0}.downloads a{display:block;border:2px solid var(--ink);box-shadow:4px 4px 0 var(--pale);padding:22px;text-decoration:none;background:white;color:var(--ink)}.downloads b{display:block;font-size:16px}.downloads span{display:block;font-size:13px;color:var(--soft);margin-top:10px;line-height:1.8}
/* Visual mechanisms, each tied to the question in its chapter. */
.interactive{border:2px solid var(--ink);padding:25px;background:#f8f9fb;box-shadow:5px 5px 0 var(--pale);margin:30px 0}.widget-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.widget-head>b{font:600 13px/1.7 var(--mono)}.controls{display:flex;gap:8px;flex-wrap:wrap}.controls button,.widget-head>button,.log-fields button{border:1px solid var(--ink);background:white;padding:9px 12px;font:500 12px/1.6 var(--body)}button[aria-pressed=true]{background:var(--ink);color:white}.widget-detail{font-size:14px!important;line-height:1.8;margin:20px 0 0;min-height:50px;color:var(--soft)}.interactive small{display:block;font-size:11px;color:var(--soft);line-height:1.8;margin-top:15px}.system-route{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;min-height:150px}.system-route>span{border:2px solid var(--ink);background:white;padding:17px;font:500 13px var(--mono)}.system-route>span.active{background:var(--teal-pale);border-color:var(--teal)}.system-route i{font-style:normal;color:var(--accent)}.pipeline{list-style:none;padding:0;display:grid;grid-template-columns:repeat(5,1fr);border:2px solid var(--ink);margin:30px 0}.pipeline li{padding:20px 14px;border-right:1px solid var(--line);margin:0}.pipeline li:last-child{border:0}.pipeline b{font-size:13px}.pipeline span{display:block;color:var(--soft);font-size:11px;margin-top:10px}.history svg{display:block;width:100%;height:auto;background:white}.gridlines path{stroke:var(--line);stroke-width:1;fill:none}.axis-labels{fill:var(--soft);font:12px var(--mono)}.history-line{stroke:var(--accent);transition:points .45s}.history-dots circle{fill:var(--accent);stroke:white;stroke-width:2}.signal-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0}.signal-cards>div{border:2px solid var(--ink);padding:22px;background:white}.signal-icon{font:700 33px var(--mono);color:var(--accent)}.signal-cards>div:nth-child(2) .signal-icon{color:var(--teal)}.signal-cards>div:nth-child(3) .signal-icon{color:var(--violet)}.signal-cards h3{font-size:23px;margin:12px 0}.signal-cards p{font-size:13px;line-height:1.8}.signal-cards code{font-size:10px}.duration-chart{height:270px;display:flex;align-items:end;gap:6px;padding:30px 0 30px;border-bottom:1px solid var(--ink);position:relative;background:repeating-linear-gradient(to top,transparent 0,transparent 49px,var(--line) 50px)}.duration-chart:before{content:'Время клиента · мс';position:absolute;top:-2px;left:0;color:var(--soft);font:10px var(--mono)}.duration-chart button{position:relative;flex:1;min-width:0;border:0;background:var(--teal);padding:0;min-height:5px;transition:height .45s,background .25s}.duration-chart button.slow{background:var(--accent)}.duration-chart button.error{background:var(--violet)}.duration-chart button.selected{outline:3px solid var(--ink);outline-offset:2px}.duration-chart button span{position:absolute;bottom:-23px;left:50%;transform:translateX(-50%);font:10px var(--mono);color:var(--soft)}.log-fields{display:flex;gap:8px;flex-wrap:wrap}.log-anatomy pre{background:var(--ink);color:#fdebe3;padding:20px;overflow:auto;font:12px/1.8 var(--mono)}.log-anatomy code{background:none;border:0;color:inherit}.waterfall-axis{display:flex;justify-content:space-between;padding:0 0 10px 210px;font:11px var(--mono);color:var(--soft)}.waterfall-row{display:grid;grid-template-columns:195px 1fr;gap:15px;margin:12px 0;align-items:center}.waterfall-row button{padding:8px 9px;border:1px solid var(--line);background:white;text-align:left;font:11px/1.5 var(--mono);overflow-wrap:anywhere}.waterfall-row.active button{border:2px solid var(--accent);background:var(--pale)}.span-track{position:relative;height:33px;background:#e3e7ed}.span-bar{position:absolute;top:0;height:100%;min-width:3px;background:var(--teal);transition:background .25s}.waterfall-row.active .span-bar{background:var(--accent)}.span-track .span-bar span{position:absolute;top:34px;left:0;color:var(--soft);font:9px var(--mono);white-space:nowrap}.queue-timeline{border:2px solid var(--ink);margin:28px 0;padding:20px;background:white}.queue-timeline>div{display:grid;grid-template-columns:85px minmax(0,1fr) 135px;align-items:center;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}.queue-timeline>div:last-child{border:0}.queue-timeline b{font:500 12px var(--mono)}.queue-timeline span{font-size:13px;background:var(--teal-pale);padding:10px}.queue-timeline em{font:11px var(--mono);font-style:normal}.finding-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:22px 0}.finding-columns>div{border-left:3px solid var(--teal);padding-left:15px}.finding-columns b{font:600 11px var(--pixel);text-transform:uppercase;color:var(--teal);letter-spacing:1px}.finding-columns p{font-size:14px;margin:10px 0 0}.step-count{font:500 12px var(--mono);color:var(--accent)}.signal-exercise{border:2px solid var(--ink);padding:25px;background:white}.signal-exercise fieldset{padding:18px;margin:0 0 22px;border:1px solid var(--line)}.signal-exercise legend{font-size:15px;font-weight:600;padding:0 8px}.signal-exercise label{display:block;font-size:14px;margin:9px 0}.signal-exercise input{accent-color:var(--accent);width:16px;height:16px;vertical-align:middle;margin-right:7px}.feedback{font-size:13px;background:var(--teal-pale);padding:15px;margin:15px 0 0}.exercise-score{font-size:14px;margin:20px 0 0}.scrape-route{display:flex;gap:13px;align-items:center;justify-content:center}.scrape-route>div:not(.scrape-arrow){border:2px solid var(--ink);background:white;padding:18px;min-width:0}.scrape-route b{display:block;font-size:14px}.scrape-route code{display:block;font-size:10px;margin-top:8px;border:0}.scrape-arrow{font:11px var(--mono);color:var(--accent);max-width:80px}.scrape-route .active{outline:3px solid var(--teal);outline-offset:3px}.os-commands{margin:28px 0}
@media(max-width:1100px){.book{padding:25px 22px 65px}.leaf{padding:35px}.cover{gap:25px;grid-template-columns:minmax(0,1.2fr) minmax(220px,.8fr)}.cover h1{font-size:49px}.cover-sheet{padding:20px}.widget-head{align-items:start;flex-direction:column}.scrape-route{flex-wrap:wrap}.module-body{padding:19px}.topbar{padding:14px 23px}.top-links{gap:15px}.passport>div{padding:13px}}
@media(max-width:760px){.top-links>a:first-child{display:none}.topbar{gap:15px;flex-wrap:wrap}.top-links{font-size:11px}.chapter-menu{margin-left:auto}.book-body{grid-template-columns:24px minmax(0,1fr)}.spine span{font-size:9px}.spine:before{left:5px}.spine:after{right:5px}.cover{grid-template-columns:1fr}.cover h1{font-size:52px}.cover-sheet{transform:none;margin:5px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cover-sheet>.eyebrow,.cover-sheet small{grid-column:1/-1}.cover-sheet>div{border-bottom:0;padding:0}.cover-log code{font-size:9px}.cover-trace span{font-size:9px}.passport{grid-template-columns:1fr 1fr}.passport>div:nth-child(2){border-right:0}.passport>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.module-grid{grid-template-columns:1fr}.module-ready .toc{grid-template-columns:1fr}.module-body h3{font-size:26px}.signal-cards{grid-template-columns:1fr}.signal-cards>div{display:grid;grid-template-columns:55px 1fr;column-gap:17px}.signal-icon{grid-row:1/4}.signal-cards h3{margin:0 0 12px}.pipeline{grid-template-columns:1fr}.pipeline li{border-right:0;border-bottom:1px solid var(--line);padding:14px 20px;display:flex;align-items:baseline;gap:20px}.pipeline span{margin:0}.waterfall-axis{padding-left:0}.waterfall-row{grid-template-columns:1fr;gap:6px;margin-bottom:25px}.waterfall-row button{width:fit-content}.finding-columns{grid-template-columns:1fr}.queue-timeline>div{grid-template-columns:1fr}.downloads{grid-template-columns:1fr}.contents ol{columns:1}}
@media(max-width:480px){body{font-size:15px;line-height:1.9}.topbar{padding:12px 15px;gap:12px}.brand{font-size:11px}.brand b{width:34px;height:34px}.top-links{font-size:10px;max-width:130px;text-align:right;line-height:1.5}.chapter-menu{width:100%;margin:0}.chapter-menu summary{padding:8px 10px;font-size:11px}.chapter-menu nav{width:100%;top:42px}.book{padding:20px 12px 45px}.book-body{grid-template-columns:9px minmax(0,1fr);box-shadow:4px 4px 0 var(--ink);border-width:2px}.spine span{font-size:0}.spine:before,.spine:after{display:none}.leaf{padding:23px 18px}.running{font-size:9px;letter-spacing:.5px;margin-bottom:28px;gap:12px}.running span{text-align:right}.cover h1{font-size:39px}.cover-sub{font-size:22px}.cover p{font-size:14px}.cover-sheet{display:block;padding:20px}.cover-sheet>div{padding:17px 0;border-bottom:1px solid var(--line)}.cover-sheet svg{max-height:90px}.cover-log code{font-size:12px}.cover-trace span{font-size:11px}.cover-sheet small{font-size:11px}.cover-meta span{font-size:9px;padding:7px 9px}h1{font-size:34px;overflow-wrap:anywhere}.lead{font-size:16px}h2{font-size:25px;gap:10px;align-items:start}.sec{font-size:10px;margin-top:4px}h3{font-size:22px}.passport dd{font-size:12px}.passport dt{font-size:9px}.passport>div{padding:12px}.contents{padding:18px}.contents ol{font-size:13px}.module{grid-template-columns:25px minmax(0,1fr)}.module-spine{font-size:9px;padding:15px 5px}.module-body{padding:18px 15px}.module-body h3{font-size:23px}.toc a,.planned-row{font-size:12px;gap:9px}.toc em{font-size:8px}.toc b{font-size:10px}.module-body>p{font-size:12px}section{margin:40px 0}.margin-note,.case{padding:20px 18px;font-size:14px}.case .eyebrow{font-size:10px}.case h3{font-size:21px}.table-scroll{margin:23px 0}th,td{font-size:12px;padding:11px;min-width:105px}.code figcaption{padding:9px 12px;font-size:9px;flex-wrap:wrap;gap:8px}.code pre{font-size:11px;padding:16px 13px}.evidence figcaption{padding:17px;font-size:12px}.interactive{padding:20px 15px}.widget-head{gap:15px}.widget-head>b{font-size:12px}.controls button,.widget-head>button,.log-fields button{font-size:11px;padding:9px 10px}.widget-detail{font-size:13px!important}.system-route{gap:8px}.system-route>span{font-size:11px;padding:12px}.signal-cards>div{padding:18px}.duration-chart{gap:4px;height:225px}.duration-chart button span{font-size:8px}.finding-columns{padding:18px 0}.signal-exercise{padding:18px 14px}.signal-exercise fieldset{padding:12px}.signal-exercise legend{font-size:13px}.signal-exercise label{font-size:12px}.primary{font-size:12px;padding:12px 16px}.scrape-route{flex-direction:column;gap:15px;align-items:stretch}.scrape-arrow{max-width:none;text-align:center}.scrape-route>div:not(.scrape-arrow){padding:14px}.chapter-nav{font-size:12px}footer{font-size:9px;gap:12px}.recap{padding:20px}.recap li{font-size:14px}.reading-path{font-size:11px;gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{body{background:white;font-size:11pt}.topbar,.progress,.spine,.skip,.chapter-nav,.controls,.zoom+.controls{display:none}.book{padding:0;max-width:none}.book-body{display:block;border:0;box-shadow:none}.leaf{padding:0}.cover-sheet,.evidence,.code,.interactive,.passport,.module,.case{box-shadow:none}.evidence{break-inside:avoid}.code pre{white-space:pre-wrap;color:black;background:#eee}.code figcaption{background:#ddd;color:black}.code figcaption a{display:none}.code .k,.code .s,.code .n,.code .c{color:black}.interactive{break-inside:avoid}.table-scroll{overflow:visible}h1{font-size:30pt}h2{font-size:20pt}.cover{display:block}.cover-sheet{transform:none}.references{break-before:auto}.module-grid{display:block}.module{margin:20px 0;break-inside:avoid}a{color:inherit}.contents{break-after:page}.duration-chart{height:230px}.waterfall-row{break-inside:avoid}}

/* Keep the book title together and selected stages readable. */
.cover h1{font-size:clamp(38px,4.1vw,59px)}
.waterfall-row.active button{color:var(--ink)}
@media(max-width:600px){.cover h1{font-size:clamp(27px,8.7vw,34px)}}
/* Блоки переписанных глав: определение, разобранный пример, проверка себя, вывод терминала. */
.quote{margin:26px 0 0;padding:15px 20px;border-left:6px solid var(--ink);background:var(--paper);font:600 17px/1.6 var(--display)}
.quote p{margin:0}
/* Схемы: рисуются в SVG, читаются подписью и без изображения. */
.diagram{border:2px solid var(--ink);background:white;box-shadow:5px 5px 0 var(--pale);padding:24px;margin:30px 0}
.diagram-scroll{overflow-x:auto;overflow-y:hidden}
.diagram-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.diagram svg{display:block;width:100%;height:auto;overflow:visible}
/* На узком экране схему не сжимают до нечитаемого: она прокручивается вбок, как таблица. */
@media(max-width:680px){.diagram svg{width:620px;max-width:none}}
.diagram figcaption{margin-top:18px;font-size:13px;line-height:1.8;color:var(--soft);border-top:1px solid var(--line);padding-top:14px}
.diagram figcaption b{display:block;color:var(--ink);font-size:12px;margin-bottom:7px}
.diagram figcaption p{margin:0;font-size:13px}
.dg-frame{fill:none;stroke:var(--ink);stroke-width:2}
.dg-grid{fill:none;stroke:var(--line);stroke-width:1}
.dg-axis{fill:var(--soft);font:11px var(--mono)}
.dg-name{fill:var(--ink);font:600 13px var(--mono)}
.dg-small{fill:var(--soft);font:11px var(--mono)}
.dg-on-bar{fill:#fff;font:600 11px var(--mono)}
.dg-bar{fill:var(--teal)}
.dg-bar-slow{fill:var(--accent)}
.dg-bar-quiet{fill:#e3e7ed}
.dg-line{fill:none;stroke:var(--accent);stroke-width:3}
.dg-line-calm{fill:none;stroke:var(--teal);stroke-width:3}
.dg-box{fill:white;stroke:var(--ink);stroke-width:2}
.dg-box-accent{fill:var(--pale);stroke:var(--ink);stroke-width:2}
.dg-box-teal{fill:var(--teal-pale);stroke:var(--teal);stroke-width:2}
.dg-arrow{fill:none;stroke:var(--accent);stroke-width:2}
@media(max-width:480px){.diagram{padding:15px}.quote{font-size:15px;padding:13px 15px}}

.definition{border-left:5px solid var(--teal);background:#f1f8f6;padding:18px 22px;margin:26px 0}.definition strong{color:var(--teal)}
.example{border:2px solid var(--ink);background:white;box-shadow:5px 5px 0 var(--pale);padding:26px;margin:30px 0}.example h3{margin-top:8px}.example p:last-child,.example .table-scroll:last-child{margin-bottom:0}
.selfcheck details{border:1px solid var(--line);background:white;margin:12px 0}.selfcheck summary{padding:16px 20px;font-weight:600;font-size:15px;line-height:1.6}.selfcheck details[open] summary{border-bottom:1px solid var(--line)}.selfcheck .answer{padding:16px 20px;font-size:15px}.selfcheck .answer p:last-child{margin:0}
.code-output pre{background:#17151c;color:#d0d5dd}.code-output figcaption{background:#3d424c;color:#fdebe3}
.evidence figcaption p:last-of-type{margin-bottom:10px}
@media(max-width:700px){.example{padding:18px}.definition{padding:14px 16px}}
/* Длинные слова в заголовках разделов и вопросах не должны расширять страницу на узком экране. */
.h2-text{min-width:0;overflow-wrap:anywhere;hyphens:auto}.selfcheck summary{overflow-wrap:anywhere}

/* Главное в главе: вместо эпиграфа — обычная мысль с меткой. */
.quote .eyebrow{display:block;margin-bottom:6px;font-family:var(--pixel)}
/* Номер рисунка в подписях снимков, схем и интерактивов. */
.fig-title{display:block}.fig-no{display:inline-block;background:var(--ink);color:var(--bright);font:600 10px/1.6 var(--mono);letter-spacing:1px;padding:2px 7px;margin-right:6px;vertical-align:1px;text-transform:none}
.evidence figcaption .fig-title{color:var(--ink);font:700 14px/1.6 var(--body);letter-spacing:0;text-transform:none;margin-bottom:10px}
.diagram figcaption .fig-title{font-size:14px;margin-bottom:8px}
.widget-figure{margin:30px 0}.widget-figure .interactive,.widget-figure .signal-exercise{margin:0}
.widget-figure figcaption{border:2px solid var(--ink);border-top:0;background:white;padding:16px 22px;font-size:13px;line-height:1.8;color:var(--soft)}
.widget-figure figcaption p{margin:6px 0 0;font-size:13px}
/* Метки на снимках и их расшифровка. */
.shot-frame{position:relative;display:block}
.pins{position:absolute;inset:0;pointer-events:none}
.pin{position:absolute;transform:translate(-50%,-50%);width:26px;height:26px;border-radius:50%;background:var(--accent);color:white;font:700 13px/26px var(--mono);text-align:center;box-shadow:0 0 0 3px white,0 2px 6px #0006}
.pin-legend{list-style:none;counter-reset:pin;padding:0;margin:14px 0 14px;border-top:1px solid var(--line)}
.pin-legend li{counter-increment:pin;position:relative;padding:10px 0 10px 40px;margin:0;border-bottom:1px solid var(--line);color:var(--ink);font-size:14px;line-height:1.7}
.pin-legend li:before{content:counter(pin);position:absolute;left:0;top:10px;width:26px;height:26px;border-radius:50%;background:var(--accent);color:white;font:700 12px/26px var(--mono);text-align:center}
.pin-legend b{color:var(--ink)}
/* Шаги с крупными номерами и линией между ними. */
.steps{list-style:none;counter-reset:step;padding:0;margin:28px 0}
.steps>li{counter-increment:step;position:relative;padding:0 0 22px 62px;margin:0}
.steps>li:before{content:counter(step);position:absolute;left:0;top:0;width:40px;height:40px;display:grid;place-items:center;background:var(--ink);color:var(--bright);font:700 16px var(--mono);box-shadow:3px 3px 0 var(--accent)}
.steps>li:after{content:'';position:absolute;left:19px;top:48px;bottom:6px;border-left:2px dashed var(--line)}
.steps>li:last-child:after{display:none}
.steps>li>b{display:block;font-size:17px;margin:6px 0 4px}.steps>li>p{margin:0;font-size:15px}
/* Цепочка этапов. */
.flow{display:flex;align-items:stretch;gap:10px;margin:28px 0 8px;flex-wrap:wrap}
.flow>div{flex:1 1 120px;border:2px solid var(--ink);background:white;padding:14px 14px;box-shadow:3px 3px 0 var(--pale)}
.flow>div b{display:block;font:600 13px/1.5 var(--mono);color:var(--ink)}
.flow>div span{display:block;font-size:12px;line-height:1.6;color:var(--soft);margin-top:6px}
.flow>i{align-self:center;font-style:normal;color:var(--accent);font:700 18px var(--mono)}
.flow-note{font-size:13px!important;color:var(--soft);margin:10px 0 24px!important}
/* Карточки понятий. */
.cards{display:grid;grid-template-columns:repeat(var(--cols,2),minmax(0,1fr));gap:14px;margin:28px 0}
.card{border:2px solid var(--ink);background:white;padding:18px 20px}
.card-tag{display:inline-block;font:600 10px/1.6 var(--mono);letter-spacing:1px;text-transform:uppercase;padding:3px 8px;background:var(--teal-pale);color:var(--teal)}
.card:nth-child(4n+2) .card-tag{background:var(--pale);color:var(--accent)}
.card:nth-child(4n+3) .card-tag{background:#e7def0;color:var(--violet)}
.card:nth-child(4n+4) .card-tag{background:var(--ink);color:var(--bright)}
.card h4{font:700 18px/1.35 var(--display);margin:12px 0 8px}.card p{font-size:14px;line-height:1.75;margin:0}
/* Сравнение двух вариантов. */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0}
.compare-col{border:2px solid var(--ink);background:white;padding:18px 20px;min-width:0}
.compare-col.bad{border-color:var(--accent);background:#fff6f0}.compare-col.good{border-color:var(--teal);background:#f3faf8}
.compare-tag{font:600 10px/1.6 var(--mono);letter-spacing:1px;text-transform:uppercase;color:var(--soft)}
.compare-col.bad .compare-tag{color:var(--accent)}.compare-col.good .compare-tag{color:var(--teal)}
.compare-col h4{font:700 17px/1.4 var(--display);margin:8px 0 10px}
.compare-col p,.compare-col li{font-size:14px;line-height:1.75}.compare-col p:last-child,.compare-col ul:last-child{margin-bottom:0}
.compare-col .code{margin:10px 0 0;box-shadow:none}
/* Расчёт с расшифровкой частей. */
.formula{border:2px solid var(--ink);background:#f8f9fb;margin:28px 0;padding:22px 24px}
.formula-expr{font:600 19px/1.7 var(--mono);color:var(--ink);overflow-wrap:anywhere;padding-bottom:16px;border-bottom:1px dashed var(--line)}
.formula-expr em{font-style:normal;color:var(--accent)}.formula-expr u{text-decoration:none;color:var(--teal)}
.formula dl{margin:14px 0 0;display:grid;gap:8px}.formula dl>div{display:grid;grid-template-columns:minmax(90px,max-content) 1fr;gap:14px;font-size:14px;line-height:1.7}
.formula dt{font:600 13px/1.7 var(--mono);color:var(--accent)}.formula dd{margin:0}
.formula-result{margin:16px 0 0!important;padding-top:14px;border-top:1px solid var(--line);font-size:15px}
/* Плитки с числами. */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:28px 0}
.stats>div{border:2px solid var(--ink);background:white;padding:16px 18px;box-shadow:4px 4px 0 var(--pale)}
.stats b{display:block;font:700 28px/1.2 var(--display);color:var(--accent)}
.stats>div:nth-child(2) b{color:var(--teal)}.stats>div:nth-child(3) b{color:var(--violet)}
.stats span{display:block;font:600 12px/1.6 var(--mono);margin-top:8px}
.stats em{display:block;font-style:normal;font-size:12px;line-height:1.6;color:var(--soft);margin-top:6px}
/* Полосы долей. */
.meter{margin:24px 0}.meter-row{display:grid;grid-template-columns:minmax(120px,190px) 1fr 70px;gap:14px;align-items:center;margin:10px 0;font-size:13px}
.meter-track{height:18px;background:#e3e7ed}.meter-track div{height:100%;background:var(--teal)}
.meter-row b{font:600 13px var(--mono);text-align:right}
/* Предупреждение. */
.margin-note.warn{border-left-color:var(--violet);background:#f6f2fa}.margin-note.warn>b{color:var(--violet)}
@media(max-width:760px){.cards,.compare{grid-template-columns:1fr}.flow{flex-direction:column}.flow>i{transform:rotate(90deg)}.meter-row{grid-template-columns:1fr 60px}.meter-row>span{grid-column:1/-1}.formula-expr{font-size:16px}}
@media(max-width:480px){.pin{width:20px;height:20px;font-size:10px;line-height:20px;box-shadow:0 0 0 2px white}.steps>li{padding-left:52px}.steps>li:before{width:34px;height:34px;font-size:14px}.steps>li:after{left:16px;top:42px}.formula{padding:16px}.stats b{font-size:24px}}
@media print{.pin{box-shadow:none}.widget-figure figcaption{border:1px solid #999}}
.evidence figcaption .pin-legend b{display:inline;font:700 14px/1.7 var(--body);letter-spacing:0;text-transform:none;color:var(--ink);margin:0}
.steps>li>b,.flow>div b,.card h4,.compare-col h4,.stats b,.pin-legend li{overflow-wrap:anywhere}
@media(max-width:760px){.flow>div{flex:0 0 auto}.flow{gap:6px}}

/* Плашка теста в блоке модуля: отдельный блок под списком глав. */
.test-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;margin-top:20px;padding:16px 18px;border:2px solid var(--ink);background:var(--ink);color:#fff;text-decoration:none;box-shadow:5px 5px 0 var(--accent)}
.test-card:hover{color:#fff;background:#2a2d38}
.test-card-tag{padding:6px 10px;background:var(--accent);color:#fff;font:700 11px/1 var(--mono);letter-spacing:2px;text-transform:uppercase}
.test-card-body b{display:block;font:700 18px/1.3 var(--display)}
.test-card-body span{display:block;margin-top:4px;font-size:12.5px;line-height:1.5;color:#d5dae1}
.test-card-go{padding:9px 14px;border:2px solid #fff;font:600 12px/1 var(--mono);white-space:nowrap}
@media(max-width:640px){.test-card{grid-template-columns:1fr;gap:12px}.test-card-tag,.test-card-go{justify-self:start}}

/* Границы между частями текста: полоса над разделом, полоса внутри раздела, переход, сравнение из жизни. */
main>section[id]{border-top:4px solid var(--ink);padding-top:30px;margin-top:64px}
.sep{height:0;margin:38px 0 26px;border-top:2px solid var(--ink);position:relative}
.sep:before{content:'';position:absolute;left:0;top:-5px;width:56px;height:8px;background:var(--accent)}
.bridge{margin:28px 0 0;padding:13px 18px;border-left:5px solid var(--ink);background:#f1f3f6;font-size:15.5px;line-height:1.7}
.analogy{margin:28px 0;border:2px solid var(--teal);background:white;box-shadow:5px 5px 0 var(--teal-pale)}
.analogy-head{padding:8px 16px;background:var(--teal);color:white;font:600 11px/1.6 var(--pixel);letter-spacing:1.2px;text-transform:uppercase}
.analogy-pair{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr))}
.analogy-pair>div{padding:15px 18px;border-right:1px solid var(--line)}
.analogy-pair>div:last-child{border-right:0}
.analogy-pair b{display:block;font:600 11px/1.6 var(--pixel);letter-spacing:1px;text-transform:uppercase;color:var(--teal);margin-bottom:6px}
.analogy-pair p{margin:0;font-size:15px;line-height:1.7}