/* Level selector v1.0, scoped to .ls-page; respects existing brand palette. */
.ls-page{background:var(--paper);color:var(--ink)}
.ls-page .ls-hero{padding:66px 0 60px;min-height:0}
.ls-page .ls-hero h1{font-size:clamp(40px,5vw,66px);letter-spacing:-.04em;line-height:1.06;margin:9px 0 18px}
.ls-page .ls-hero .page-lead{max-width:950px;font-size:18px;line-height:1.6}
.ls-hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:21px}
.ls-hero-pills span{font:700 11px/1.3 Consolas,monospace;color:#eee;padding:7px 11px;border:1px solid #778087;border-radius:999px;letter-spacing:.015em}
.ls-page .ls-main-section{padding:56px 0 76px;background:var(--paper)}
.ls-page .ls-section-head{display:flex;gap:32px;align-items:end;justify-content:space-between;margin-bottom:24px}
.ls-section-head h2{margin:6px 0 0!important;font-size:34px;letter-spacing:-.03em}
.ls-section-head>p{max-width:500px;font-size:14px;line-height:1.55;color:#59656b;margin:0}
.ls-workspace{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:start;gap:22px}
.ls-card{border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 10px 25px rgba(20,29,35,.035);min-width:0}
.ls-form-card{padding:29px}
.ls-card-heading{display:flex;gap:14px;align-items:start;margin:0 0 20px}
.ls-step{display:flex;align-items:center;justify-content:center;flex:0 0 36px;height:36px;border:1px solid #bc9b69;border-radius:11px;color:#846739;background:#faf8f2;font:800 13px Consolas,monospace}
.ls-card-heading h3{margin:1px 0 4px;font-size:21px;line-height:1.24}
.ls-card-heading p{margin:0;color:#667078;font-size:13px;line-height:1.5}
.ls-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 14px}
.ls-field{min-width:0;display:flex;flex-direction:column;gap:7px;font-size:13px;line-height:1.3;color:#313e45;font-weight:720}
.ls-field>span{display:block}
.ls-field b{color:#a87629}
.ls-field small{font-size:11px;font-weight:500;color:#78838b}
.ls-field input,.ls-field select{appearance:auto;display:block;box-sizing:border-box;width:100%;min-height:45px;padding:10px 12px;border:1px solid #ccd2d2;border-radius:10px;background:#fbfaf7;color:#202a30;font-family:inherit;font-weight:500;font-size:14px;line-height:1.35;outline:none;transition:border-color .15s,box-shadow .15s}
.ls-field input::placeholder{color:#899197}
.ls-field input:focus,.ls-field select:focus{border-color:#a47a3e;box-shadow:0 0 0 3px rgba(181,138,73,.16)}
.ls-wide{grid-column:1/-1}
.ls-divider{height:1px;background:var(--line);margin:28px 0 27px}
.ls-advanced{margin:25px 0 0;border:1px solid #d8d9d4;border-radius:13px;background:#fcfbf8;overflow:hidden}
.ls-advanced summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;padding:16px;color:#273037;font-size:14px;font-weight:750;list-style:none}
.ls-advanced summary::-webkit-details-marker{display:none}
.ls-advanced summary:after{content:'+';display:inline-block;margin-left:auto;font-size:21px;font-weight:400;color:#997a50}
.ls-advanced[open] summary:after{content:'−'}
.ls-advanced summary span{margin-left:auto;color:#79838a;font-size:11px;font-weight:500}
.ls-advanced-body{padding:4px 16px 18px}
.ls-checks{display:grid;grid-template-columns:1fr;gap:9px;margin-top:3px}
.ls-checks label{display:flex;align-items:start;gap:9px;padding:8px 9px;background:#fff;border:1px solid #e0e1dd;border-radius:9px;font-size:13px;line-height:1.35;font-weight:500;cursor:pointer}
.ls-checks input{width:16px;height:16px;accent-color:#86683c;flex-shrink:0;margin:1px 0 0}
.ls-form-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:23px}
.ls-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 15px;border:1px solid transparent;border-radius:11px;font-family:inherit;font-weight:750;font-size:13px;line-height:1.35;cursor:pointer;transition:background .15s,border-color .15s,transform .15s}
.ls-button:hover{transform:translateY(-1px)}
.ls-button:focus-visible{outline:3px solid #b58a49;outline-offset:3px}
.ls-primary{background:#171c20;color:#fff;border-color:#171c20}
.ls-primary:hover{background:#303a40}
.ls-primary:disabled{opacity:.6;cursor:wait}
.ls-secondary{background:#fff;color:#262e33;border-color:#c5c9c8}
.ls-secondary:hover{border-color:#a47a3e}
.ls-plain{background:transparent;color:#646d72;border-color:transparent}
.ls-plain:hover{background:#ecebe6}
.ls-smallprint{font-size:11px;line-height:1.55;color:#7a8286;margin:17px 0 0}
.ls-results-pane{display:grid;gap:16px}
.ls-results{padding:26px 25px 22px;min-height:350px}
.ls-result-head{border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:19px}
.ls-result-head h3{font-size:22px;margin:7px 0 0;letter-spacing:-.02em}
.ls-empty{text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:54px 12px 38px;color:#59636b}
.ls-empty-icon{font-size:34px;display:grid;place-items:center;width:62px;height:62px;border-radius:20px;background:#f1efe9;color:#98764c;margin:0 auto 20px}
.ls-empty strong{font-size:17px;color:#293239}
.ls-empty p{font-size:14px;line-height:1.6;max-width:345px;margin:12px 0 0}
.ls-aside-note{background:#efede6;border:1px solid #d9d7cd;border-radius:15px;padding:18px 21px;color:#293239}
.ls-aside-note strong{font-size:14px}
.ls-aside-note p{font-size:12px;line-height:1.65;margin:7px 0 0;color:#5d676b}
.ls-status{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding-bottom:13px}
.ls-count{font-size:27px;letter-spacing:-.04em;font-weight:800;color:#171c20}
.ls-count small{font-size:13px;font-weight:500;color:#646d72;letter-spacing:0}
.ls-stamp{font:650 11px Consolas,monospace;color:#6b716f}
.ls-matches{display:grid;gap:11px}
.ls-candidate{padding:18px;border:1px solid #d6dad7;border-radius:13px;background:#fdfdfa}
.ls-candidate-head{display:flex;gap:12px;align-items:start;justify-content:space-between}
.ls-candidate-rank{flex:0 0 30px;height:30px;display:grid;place-items:center;border-radius:9px;background:#ece8df;color:#795b35;font:750 13px Consolas,monospace}
.ls-candidate-title{flex:1;min-width:0}
.ls-candidate-brand{font-size:10px;letter-spacing:.07em;text-transform:uppercase;color:#84704c;font-weight:800}
.ls-candidate h4{font-size:19px;margin:3px 0 4px;line-height:1.3;color:#202b30;overflow-wrap:anywhere}
.ls-candidate-method{font-size:12px;color:#657077}
.ls-candidate-specs{display:flex;gap:6px;flex-wrap:wrap;margin:13px 0 11px}
.ls-candidate-specs span{font-size:11px;padding:5px 8px;border:1px solid #daddda;border-radius:8px;background:#fff;color:#4b595d}
.ls-candidate-note{margin:6px 0 11px;color:#5e696e;font-size:12px;line-height:1.55}
.ls-candidate details{border-top:1px solid #e4e5e1;padding-top:11px}
.ls-candidate summary{cursor:pointer;font-size:12px;font-weight:800;color:#3e484d}
.ls-candidate ul{margin:9px 0 9px;padding-left:19px;font-size:12px;color:#5e686c;line-height:1.55}
.ls-candidate li{margin:0 0 7px}
.ls-vendor-link{display:inline-flex;align-items:center;margin-top:12px;text-decoration:none;font-size:12px;font-weight:750;color:#836236;border-bottom:1px solid #b39770}
.ls-vendor-link:hover{color:#4d3923}
.ls-alert{border-left:3px solid #b58a49;padding:11px 12px;background:#faf7ef;margin:13px 0;border-radius:0 9px 9px 0;font-size:12px;line-height:1.55;color:#485259}
.ls-alert p{margin:0 0 7px}.ls-alert p:last-child{margin:0}
.ls-alert strong{display:block;margin-bottom:5px}
.ls-disclaimer{margin:16px 0 0;font-size:11px;line-height:1.55;color:#788184}
.ls-result-actions{display:flex;gap:9px;flex-wrap:wrap;padding-top:17px;border-top:1px solid var(--line);margin-top:18px}
.ls-knowledge{padding:56px 0 70px}
.ls-knowledge h2{margin:8px 0 23px;font-size:clamp(26px,3vw,36px);max-width:800px;letter-spacing:-.025em}
.ls-knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.ls-knowledge-grid article{padding:22px;border:1px solid var(--line);background:#fff;border-radius:16px}
.ls-knowledge-grid article>span{color:#9a7846;font:800 12px Consolas,monospace}
.ls-knowledge-grid h3{font-size:19px;margin:12px 0 9px}
.ls-knowledge-grid p{font-size:14px;color:#5e686d;line-height:1.6;margin:0}
.ls-source-intro{font-size:13px;color:#627077;line-height:1.65;margin:22px 0 0}
.ls-source-intro a{color:#735b35}
@media(max-width:1050px){.ls-workspace{grid-template-columns:1fr}.ls-results-pane{grid-template-columns:1fr}.ls-section-head{align-items:start}.ls-page .ls-hero{padding:50px 0}}
@media(max-width:720px){.ls-page .ls-section-head{display:block}.ls-section-head>p{margin-top:13px}.ls-form-card{padding:18px}.ls-form-grid{grid-template-columns:1fr;gap:13px}.ls-field{grid-column:1!important}.ls-results{padding:21px 17px}.ls-advanced summary{flex-wrap:wrap}.ls-advanced summary span{margin-left:0;flex-basis:100%}.ls-advanced summary:after{position:absolute;right:36px}.ls-knowledge-grid{grid-template-columns:1fr}.ls-form-actions .ls-primary{width:100%}.ls-page .ls-hero h1{font-size:38px}.ls-page .ls-hero .page-lead{font-size:16px}}
@media print{.site-header,.footer,.ls-hero,.ls-form-card,.ls-aside-note,.ls-knowledge,.ls-result-actions,.ls-section-head{display:none!important}.ls-workspace{display:block}.ls-results{border:0;box-shadow:none;padding:0}.ls-candidate{break-inside:avoid}.ls-main-section{padding:0!important}}
/* v1.1: компактный выбор значений и открытое сравнение */
.ls-field input[hidden]{display:none!important}
.ls-field .ls-custom-value:not([hidden]){margin-top:7px;border-color:#b7996f;background:#fff}
.ls-card-heading:has(h3) {margin-bottom:17px}
.ls-candidate-head{align-items:flex-start;gap:14px;flex-wrap:wrap}
.ls-candidate-title h4{margin:0 0 5px;font-size:18px;line-height:1.35}
.ls-result-badge{display:inline-flex;align-items:center;flex:0 0 auto;border-radius:999px;padding:7px 10px;font-weight:750;font-size:11px;line-height:1.2;border:1px solid transparent}
.ls-result-ok{color:#245d3f;background:#e9f5ed;border-color:#c9e5d3}
.ls-result-unknown{color:#805b1d;background:#fff6df;border-color:#eedcb1}
.ls-result-no{color:#983d39;background:#fff0ee;border-color:#f0cac5}
.ls-match-no{border-left:4px solid #ca6b60}
.ls-match-unknown{border-left:4px solid #c29a4b}
.ls-match-ok{border-left:4px solid #549b6c}
.ls-ref-note{font-size:11px;font-weight:750;color:#5c6470;margin:9px 0 0}
.ls-criteria{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 6px}
.ls-criterion{display:inline-flex;align-items:center;gap:5px;border:1px solid #dcdedc;border-radius:8px;padding:5px 8px;font-size:11px;line-height:1.25;background:#fff;color:#354047}
.ls-criterion b{font-weight:800;display:inline-block;width:12px;text-align:center}
.ls-criterion-ok{background:#edf7f0;border-color:#c7e3cf;color:#27613f}
.ls-criterion-no{background:#fff1f0;border-color:#ebc9c5;color:#97403b}
.ls-criterion-unknown{background:#fff9e9;border-color:#eadcb8;color:#836221}
.ls-candidate-details{border-top:1px solid #e4e5e1;margin-top:12px;padding-top:10px}
.ls-candidate-details p{font-size:12px;color:#5e686c;line-height:1.55;margin:10px 0 4px}
.ls-tally{display:flex;gap:9px;align-items:center;flex-wrap:wrap;padding:0 0 16px;margin:0 0 14px;border-bottom:1px solid var(--line)}
.ls-tally span{display:inline-flex;padding:6px 10px;border-radius:9px;font-size:12px;font-weight:750}
.ls-tally-ok{color:#245d3f;background:#e9f5ed}
.ls-tally-unknown{color:#805b1d;background:#fff6df}
.ls-tally-no{color:#983d39;background:#fff0ee}
.ls-help-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ls-help-grid article{padding:21px 23px;background:#fff;border:1px solid var(--line);border-radius:15px}
.ls-help-grid h3{font-size:18px;margin:0 0 11px}
.ls-help-grid p{font-size:14px;color:#5f6b70;line-height:1.6;margin:0}
.ls-inline-ok{color:#28734a;font-weight:800}.ls-inline-no{color:#a13d36;font-weight:800}.ls-inline-unknown{color:#94681b;font-weight:800}
.ls-page .ls-hero{padding-bottom:46px}
.ls-page .ls-hero .page-lead{max-width:650px}
.ls-help-grid+.ls-source-intro{max-width:1000px}
@media(max-width:720px){.ls-help-grid{grid-template-columns:1fr}.ls-result-badge{font-size:10px}.ls-candidate h4{font-size:17px}.ls-criterion{font-size:11px}}
@media print{.ls-tally,.ls-criteria{break-inside:avoid}.ls-candidate{page-break-inside:avoid}}
.ls-field[hidden]{display:none!important}

/* v1.2: справочные статьи по принципам измерения */
.ls-seo-section{padding:66px 0}
.ls-seo-section h2{font-size:clamp(25px,2.9vw,35px);line-height:1.24;letter-spacing:-.02em;margin:10px 0 19px}
.ls-seo-lead{max-width:990px;font-size:15px;line-height:1.78;color:#515c63;margin:0 0 27px}
.ls-seo-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.ls-seo-cards article{border-color:#deded7;background:#fff;padding:24px}
.ls-seo-cards article h3{font-size:18px;line-height:1.38}
.ls-seo-cards article p{line-height:1.75;font-size:13px}
.ls-seo-caption{max-width:950px;font-size:12px;line-height:1.7;margin:20px 0 0;color:#67727a}
.ls-advice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin-bottom:42px}
.ls-advice-grid>div{border-left:3px solid #b79562;background:#fff;border-radius:0 12px 12px 0;padding:16px 20px}
.ls-advice-grid h3{margin:0 0 9px;font-size:17px;color:#263036}
.ls-advice-grid p{font-size:13px;line-height:1.72;color:#5b666c;margin:0}
.ls-faq-heading{margin-top:46px!important}
.ls-faq-list{display:grid;gap:9px;max-width:1000px}
.ls-faq-list details{border:1px solid #dfe0da;background:white;border-radius:12px;padding:17px 19px}
.ls-faq-list summary{font-size:15px;font-weight:750;color:#253037;cursor:pointer}
.ls-faq-list details p{font-size:13px;line-height:1.76;color:#5b666c;margin:12px 0 0}
@media(max-width:1050px){.ls-seo-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.ls-seo-cards,.ls-advice-grid{grid-template-columns:1fr}.ls-seo-section{padding:46px 0}.ls-seo-cards article{padding:20px}}
@media print{.ls-seo-section{display:none!important}}