:root{--bg:#f4f5f5;--panel:#fff;--ink:#1b2a32;--muted:#79848b;--faint:#a6b0b5;--border:#e2e7e9;--teal:#0b746b;--teal-d:#07534e;--soft:#edf5f4;--orange:#c98042;--radius:14px;--shadow:0 2px 16px rgba(20,43,50,.035)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #73b4ac;outline-offset:2px}.container{width:min(1560px,calc(100% - 72px));margin:auto}
.topbar{background:#fff;border-bottom:1px solid var(--border)}.topbar__inner{min-height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:11px;align-items:center}.brand__mark{width:42px;height:42px;background:#0f5e59;border-radius:9px;display:flex;justify-content:center;align-items:center;color:white}.brand__mark svg{width:29px;height:29px}.brand__name{font-size:18px;line-height:1;letter-spacing:.055em;font-weight:850}.brand__name>span{color:var(--teal)}.brand__name small{font-size:10px;font-weight:500;letter-spacing:.03em;color:var(--muted);display:block;margin-top:6px}.topbar__right{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:600;color:#68787e}.status-dot{width:7px;height:7px;border-radius:50%;background:#359a87}.divider-v{width:1px;height:17px;background:var(--border);margin:0 8px}
.main{padding-top:38px}.intro{margin-bottom:27px}.eyebrow{color:var(--teal);font-size:11px;font-weight:800;letter-spacing:.115em}.eyebrow span{color:#aebbbd;margin:0 6px}.intro h1{font-size:clamp(27px,2.8vw,40px);line-height:1.2;letter-spacing:-.04em;margin:12px 0 11px;font-weight:780}.intro h1 span{color:var(--teal)}.intro p{color:#75828a;font-size:14px;line-height:1.65;margin:0;max-width:760px}
.workspace{display:grid;grid-template-columns:minmax(330px,390px) minmax(375px,1fr) minmax(320px,360px);gap:18px;align-items:start}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);min-width:0}.panel__head,.preview__head{display:flex;align-items:center;justify-content:space-between}.panel__head{padding:23px 25px 19px;border-bottom:1px solid var(--border)}.panel__overline{color:#9ba7ad;font-size:10px;letter-spacing:.13em;font-weight:750;margin-bottom:7px}.panel h2{font-size:17px;letter-spacing:-.025em;line-height:1.3;margin:0;font-weight:760}.icon-button{width:34px;height:34px;border-radius:9px;border:1px solid var(--border);background:#fff;color:#7d8b91;display:grid;place-items:center}.icon-button svg{width:17px}.icon-button:hover{border-color:#0b746b;color:var(--teal)}
.settings{overflow:hidden}.field-block{padding:23px 25px 24px;border-bottom:1px solid var(--border)}.field-block.last{border-bottom:0}.section-label{display:flex;gap:10px;align-items:center;font-size:13px;font-weight:760;margin-bottom:22px}.section-label span{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:6px;background:#e8f3f1;color:var(--teal);font-size:11px;font-weight:800}.dim-field{margin-bottom:21px}.dim-field__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.dim-field__head label{color:#57646c;font-weight:600;font-size:13px}.number-wrap{display:flex;align-items:center;gap:5px;border:1px solid var(--border);border-radius:7px;height:34px;padding:0 10px;background:#fff}.number-wrap input{color:var(--ink);font-size:14px;font-weight:760;width:46px;text-align:right;border:0;outline:0;background:transparent;appearance:textfield}.number-wrap input::-webkit-inner-spin-button,.number-wrap input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.number-wrap span{font-size:12px;color:#829096}.dim-field input[type=range]{display:block;width:100%;margin:0;cursor:pointer;accent-color:var(--teal);height:5px}.range-bounds{display:flex;justify-content:space-between;color:#a1adb4;font-size:11px;margin-top:11px}.metrics{display:grid;grid-template-columns:1fr 1fr;background:#f5f8f8;border:1px solid #edf1f2;border-radius:9px;padding:16px 14px;gap:10px}.metrics div+div{border-left:1px solid #e1e7e9;padding-left:14px}.metrics span{font-size:10.5px;color:#829096;display:block;margin-bottom:8px}.metrics strong{font-size:20px;letter-spacing:-.035em}.metrics small{font-size:12px;font-weight:500;color:#7c8b91}.label{font-size:12px;font-weight:650;color:#626d74;margin-bottom:11px}.option-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:20px}.option{position:relative;display:block}.option input{position:absolute;opacity:0;inset:0;width:100%;height:100%;cursor:pointer}.option span{display:flex;align-items:center;justify-content:center;min-height:42px;text-align:center;padding:6px 9px;border:1px solid var(--border);border-radius:8px;font-size:11.5px;font-weight:620;color:#64747a;transition:background .12s,border .12s}.option input:checked+span{color:var(--teal);background:var(--soft);border-color:#70aca5}.option input:focus-visible+span{outline:3px solid #73b4ac}.select-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:15px}.select-row label{font-size:12px;color:#626e74;font-weight:590;line-height:1.4}.select-row select{width:178px;max-width:57%;font-size:12px;font-weight:610;background:#fff;border:1px solid #dde5e7;border-radius:7px;padding:10px 29px 10px 11px;color:#263a42;appearance:none;background-image:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%2373868a" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"%3E%3Cpath d="m6 9 6 6 6-6"/%3E%3C/svg%3E');background-position:right 8px center;background-repeat:no-repeat}.stepper{display:flex;align-items:center;border:1px solid var(--border);border-radius:7px;height:35px}.stepper button{border:0;background:none;width:34px;height:33px;color:var(--teal);font-size:21px}.stepper button:hover{background:#edf5f4}.stepper output{width:31px;text-align:center;font-size:13px;font-weight:750}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px}.switch-row strong{display:block;font-size:12px;color:#485a61;font-weight:650}.switch-row small{display:block;font-size:10.5px;color:#9da7aa;margin-top:4px}.switch{position:relative;width:40px;height:24px;flex-shrink:0}.switch input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.switch>span{position:absolute;pointer-events:none;background:#cbd5d7;inset:0;border-radius:100px;transition:background .15s}.switch>span:after{content:"";width:18px;height:18px;border-radius:50%;background:white;box-shadow:0 1px 3px #0002;position:absolute;left:3px;top:3px;transition:transform .15s}.switch input:checked+span{background:var(--teal)}.switch input:checked+span:after{transform:translateX(16px)}.switch input:focus-visible+span{outline:3px solid #73b4ac;outline-offset:3px}.subselect{margin:13px 0 2px;padding:10px;background:#f6f9f9;border-radius:7px}.subselect[hidden]{display:none}.hint-line{display:flex;align-items:flex-start;gap:9px;background:#f7f8f8;padding:12px;border-radius:8px;margin-top:18px;color:#819095;font-size:10.5px;line-height:1.5}.hint-line svg{width:17px;height:17px;flex-shrink:0;color:#768e93}.radio-list{display:grid;gap:8px}.radio-list label{display:flex;align-items:center;gap:12px;border:1px solid var(--border);padding:12px;border-radius:8px;cursor:pointer}.radio-list label:has(input:checked){background:var(--soft);border-color:#70aca5}.radio-list input{width:17px;height:17px;accent-color:var(--teal)}.radio-list strong{display:block;color:#3d5158;font-weight:650;font-size:11.7px}.radio-list small{display:block;color:#99a6aa;font-size:10px;margin-top:5px}
.preview-column{min-width:0;display:grid;gap:15px;position:sticky;top:18px}.preview{overflow:hidden}.preview__head{padding:22px 24px 16px}.small-badge{background:#f1f4f4;border:1px solid #e7eced;padding:6px 8px;border-radius:5px;font-size:9px;letter-spacing:.07em;color:#738287;font-weight:750}.small-badge--accent{background:var(--soft);color:var(--teal);border-color:transparent}.scene{background:radial-gradient(ellipse at 47% 45%,#fafbfb 0%,#f1f4f5 78%);min-height:395px;position:relative;overflow:hidden}.scene__legend{display:flex;justify-content:space-between;align-items:center;gap:8px;margin:22px 24px -12px}.scene__label{font-size:10.5px;color:#586d76;font-weight:650}.scene__hint{font-size:10px;color:#9aa9ae}.scene svg{display:block;width:100%;height:auto;max-height:375px}.scene-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-bottom:1px solid var(--border)}.scene-stats>div{padding:18px 20px;border-right:1px solid var(--border)}.scene-stats>div:last-child{border-right:0}.scene-stats span{display:block;color:#91a0a5;font-size:11px;margin-bottom:9px}.scene-stats strong{font-size:18px;white-space:nowrap;letter-spacing:-.02em}.preview__footer{padding:18px 24px;display:flex;align-items:flex-start;gap:10px}.preview__footer svg{width:19px;height:19px;flex-shrink:0;color:#94a6aa}.preview__footer p{margin:0;color:#98a5a9;font-size:10.5px;line-height:1.65}.info-strip{border:1px solid #dce7e7;border-radius:11px;background:#edf4f3;padding:21px;display:flex;gap:13px}.info-strip__icon{display:grid;place-items:center;align-self:flex-start;width:29px;height:29px;border-radius:7px;background:#dcece9;color:var(--teal);flex-shrink:0}.info-strip__icon svg{width:18px}.info-strip strong{font-size:12px}.info-strip p{color:#647c80;line-height:1.65;font-size:11.4px;margin:6px 0 0}
.estimate{padding-bottom:22px;position:sticky;top:18px}.estimate .panel__head{padding:22px 23px 19px}.estimate__top{padding:24px 23px 22px}.estimate__caption{font-size:12px;font-weight:650;color:#78878b;margin-bottom:9px}.estimate__total{font-size:clamp(26px,2.45vw,37px);white-space:nowrap;font-weight:780;letter-spacing:-.05em;color:#152b31;line-height:1.2}.estimate__per{font-size:13px;color:var(--teal);font-weight:760;margin:9px 0}.estimate__sub{font-size:11px;color:#a0abad;margin-top:16px}.estimate__division{margin:0 23px;border:1px solid var(--border);background:#f8faf9;border-radius:9px;padding:10px 15px}.estimate__division>div{display:flex;justify-content:space-between;gap:8px;padding:9px 0;font-size:11px;color:#77888c}.estimate__division>div+div{border-top:1px solid #e7edef}.estimate__division strong{color:#3f565b;font-size:12px;white-space:nowrap}.breakdown-heading{display:flex;align-items:center;justify-content:space-between;padding:27px 23px 20px;gap:8px}.breakdown-heading h3{font-size:13px;letter-spacing:-.01em;margin:0}.breakdown-heading>span{font-size:9px;color:#9ca8ac;letter-spacing:.09em}.breakdown{padding:0 23px}.breakdown-item{margin-bottom:21px}.breakdown-item__head{display:flex;justify-content:space-between;gap:6px;align-items:baseline;margin-bottom:9px}.breakdown-item__head span{color:#66767c;font-size:11px}.breakdown-item__head strong{font-size:11.5px;font-weight:700;white-space:nowrap}.bar{height:6px;background:#edf1f2;border-radius:100px;overflow:hidden}.bar>span{display:block;height:100%;background:var(--teal);border-radius:100px;transition:width .16s}.estimate__disclaimer{margin:4px 23px 21px;padding:14px 15px;background:#fff8f1;border-radius:8px;border:1px solid #f5e8da}.estimate__disclaimer strong{font-size:10.6px;color:#926a48}.estimate__disclaimer p{font-size:10px;line-height:1.65;color:#9b816b;margin:6px 0 0}.estimate__actions{margin:0 23px;display:grid;gap:9px}.primary-button,.secondary-button{min-height:44px;border-radius:8px;display:flex;align-items:center;justify-content:center;gap:10px;border:1px solid transparent;font-size:12px;font-weight:750}.primary-button svg,.secondary-button svg{height:17px;width:17px}.primary-button{background:var(--teal);color:white}.primary-button:hover{background:var(--teal-d)}.secondary-button{background:white;color:#53666b;border-color:#dce4e6}.secondary-button:hover{background:#f6faf9}.site-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:26px 0 34px;color:#9aa8ad;font-weight:600;font-size:10px;letter-spacing:.04em}.toast{position:fixed;bottom:22px;right:22px;padding:13px 19px;border-radius:9px;background:#213940;color:#fff;box-shadow:0 10px 32px #152d3f30;font-size:12px;font-weight:650;opacity:0;transform:translateY(10px);pointer-events:none;transition:all .16s;z-index:999}.toast.show{opacity:1;transform:translateY(0)}
@media(max-width:1380px){.container{width:min(100% - 40px,1460px)}.workspace{grid-template-columns:minmax(305px,360px) minmax(300px,1fr) minmax(290px,325px);gap:14px}.panel__head,.estimate .panel__head{padding:18px}.field-block{padding:20px 18px}.estimate__top{padding:22px 18px}.estimate__division{margin:0 18px}.breakdown-heading{padding-left:18px;padding-right:18px}.breakdown{padding:0 18px}.estimate__actions{margin:0 18px}.estimate__disclaimer{margin:5px 18px 20px}.estimate__total{font-size:29px}.scene{min-height:320px}.scene-stats>div{padding:15px 12px}.scene-stats strong{font-size:15px}}
@media(max-width:1120px){.workspace{grid-template-columns:minmax(325px,.85fr) minmax(350px,1fr)}.estimate{grid-column:2;position:static}.preview-column{position:static}.settings{grid-row:1/span 2}}
@media(max-width:740px){.container{width:calc(100% - 28px)}.topbar__inner{min-height:64px}.topbar__right{font-size:0;gap:0}.topbar__right .status-dot{margin-right:0}.divider-v{display:none}.main{padding-top:29px}.intro h1{font-size:28px}.intro p{font-size:13px}.workspace{grid-template-columns:1fr}.settings,.estimate{grid-column:auto;grid-row:auto}.preview-column{grid-row:1}.scene{min-height:0}.scene__legend{margin:18px 16px -20px}.scene svg{max-height:335px}.scene-stats strong{font-size:16px}.preview__head{padding:18px}.site-footer{font-size:9px;align-items:start;line-height:1.5;flex-direction:column}.estimate__total{font-size:34px}}
@media(max-width:370px){.option span{font-size:10.5px}.select-row select{max-width:53%;width:145px}.scene-stats strong{font-size:13px}.scene-stats span{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}

/* v0.2 — предварительная правовая проверка */
.legal-fields__description { color:#687a83; margin:0 0 18px; font-size:13px; line-height:1.55; }
.compliance { padding:0; margin-top:16px; }
.compliance__body { padding:18px 22px 22px; }
.compliance__status { display:flex; justify-content:space-between; align-items:flex-start; gap:15px; padding:13px 0; border-bottom:1px solid #e5edef; font-size:13px; }
.compliance__status > span { color:#5d747f; max-width:48%; }
.compliance__status > strong { color:#183847; text-align:right; max-width:52%; }
.compliance__reason { font-size:13px; line-height:1.65; color:#4f6772; margin:15px 0 0; }
.compliance__note { background:#f3f8fa; color:#667983; border-radius:10px; padding:13px; margin-top:14px; font-size:12px; line-height:1.55; }
.legal-status--required { color:#ad532c!important; }
.legal-status--review { color:#95661a!important; }
.legal-status--possibleExemption { color:#0b7d6e!important; }
.sections-panel {border-top:1px solid #e3edf0; margin-top:16px; padding-top:13px;}
.sections-panel[hidden], .select-row[hidden] {display:none!important;}
.sections-list { display:grid; gap:8px; margin:13px 0; }
.sections-list__row {display:flex; justify-content:space-between; align-items:flex-start; gap:10px; font-size:12px; color:#54707d;}
.sections-list__row b {display:inline-block; min-width:43px; color:#163f50;}
.sections-list__row strong {white-space:nowrap;color:#213b49;}
.sections-panel > p {font-size:11px; line-height:1.55;color:#788892;margin:12px 0;}
/* v0.3 / выбор продукта, сети участка и неполные расчёты */
.sale-selector{margin:24px 0 21px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 23px}
.sale-selector__title{display:block;font-size:10px;color:#75909a;font-weight:750;letter-spacing:.11em;margin-bottom:12px}
.sale-selector__choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.sale-selector__choices label{display:block;cursor:pointer}
.sale-selector__choices input{position:absolute;width:1px;height:1px;opacity:0}
.sale-selector__choices span{min-height:68px;display:flex;flex-direction:column;justify-content:center;border-radius:9px;border:1px solid #e1e9ea;padding:13px 16px;background:#fbfcfc;transition:border-color .12s,background .12s}
.sale-selector__choices b{font-size:15px;color:#28454c}
.sale-selector__choices small{font-size:11px;color:#8c9ca1;margin-top:5px;line-height:1.5}
.sale-selector__choices input:checked+span{border-color:#248678;background:#edf7f4;box-shadow:inset 0 0 0 1px #248678}
.sale-selector__choices input:focus-visible+span{outline:3px solid #7bc5b3;outline-offset:2px}
.section-subhead{font-size:12px;color:#355a63;font-weight:750;margin:23px 0 10px;border-bottom:1px solid #e5ecec;padding-bottom:7px}
.input-duo{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}
.input-duo label{display:grid;gap:6px;font-size:11px;color:#617a80;font-weight:600}
.input-duo input{min-width:0;width:100%;padding:10px 9px;border:1px solid #dfe8e9;border-radius:7px;font-family:inherit;font-size:14px;color:#38525a;background:white}
.input-duo input:focus{outline:2px solid #7bc5b3}
.infrastructure-explain{font-size:11px;line-height:1.65;color:#849397;background:#f2f7f6;padding:12px;border-radius:8px;margin-top:18px}
.estimate__division>div:last-child{border-top:1px solid #e7edef}
.unpriced{margin:12px 23px 0;background:#fff9ee;border:1px solid #f3e0bc;padding:13px;border-radius:8px;color:#795b25;font-size:11px;line-height:1.55}
.unpriced strong{display:block;margin-bottom:7px}
.unpriced ul{padding-left:18px;margin:0}.unpriced li{margin-top:5px}
@media(max-width:740px){.sale-selector{padding:14px}.sale-selector__choices{grid-template-columns:1fr}.sale-selector__choices span{min-height:54px}.sale-selector__choices b{font-size:14px}}