/* Review changes are scoped away from the protected right-hand cards. */
.page-heading h1{font:600 clamp(28px,3.2vw,44px)/1.15 Arial,sans-serif!important;letter-spacing:-.7px!important}
.page-heading:has(+ #timber-app){margin:18px 0 24px}
.hero h1 em,.hero h1 .construction-word{color:#343b3a}
.hero-photo{background-image:linear-gradient(90deg,#f2f2f2fa 0%,#f2f2f2ed 30%,#f2f2f2bb 43%,#f2f2f200 65%),url('/_assets/5efd1b732075629c42c0/hero-reference.webp')}
.ready-tools{padding-top:36px;padding-bottom:36px}
.tool-card:not(.tool-ready){background:#f6f7f4;border-color:#e4e7df;box-shadow:none}
.tool-card .tool-scheme-icon{width:90px;height:48px;color:#294b3c}
.tool-card .tool-scheme-icon.wood-tool-icon{width:108px;height:72px;flex:0 0 auto}
.hero .button,#proposal-form .button,#timber-app .tc-actions .button,#timber-app .tr-actions .button{background:#355b46!important;border-color:#355b46!important;color:#fff!important}
.hero .button:hover,#proposal-form .button:hover,#timber-app .tc-actions .button:hover,#timber-app .tr-actions .button:hover{background:#274734!important}
#timber-app form .tc-field,#timber-app form .tr-field{gap:8px;margin-bottom:9px;min-width:0}
#timber-app form .tc-field>span,#timber-app form .tr-field>span{font:400 14px/1.4 Arial,sans-serif;margin:0 0 5px}
#timber-app form .tc-field input,#timber-app form .tc-field select,#timber-app form .tr-field input,#timber-app form .tr-field select,#proposal-form input,#proposal-form select{height:42px;min-height:42px;font:400 16px/1.3 Arial,sans-serif;padding:8px;min-width:0;width:100%;box-sizing:border-box}
#timber-app form .tc-field small,#timber-app form .tr-field small{white-space:nowrap;flex-shrink:0;font:12px Arial,sans-serif;padding:0 6px}
#timber-app form .audit-wide-field{display:block!important;grid-column:1/-1}
#timber-app form .audit-wide-field select{width:100%}
#timber-app form .audit-wide-field>.chosen-field-value{display:block;font:13px/1.4 Arial,sans-serif;color:#4b5b50;margin:5px 0 0;white-space:normal}
#timber-app form .tc-hint,#timber-app form .tr-note{font-size:13px;line-height:1.5}
#timber-app form .material-label-accessible{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip-path:inset(50%);padding:0!important;margin:0!important;white-space:nowrap}
#timber-app .tr-section-group{margin:14px 0;padding-top:12px;border-top:1px solid #e3e7df}
#timber-app .tr-section-group h3{font:600 15px/1.4 Arial,sans-serif;letter-spacing:normal;margin:0 0 8px}
#timber-app .tr-section-group .tr-fields{margin-top:0}

#timber-app .reinforcement-subheading{grid-column:1/-1;font:600 16px/1.4 Arial,sans-serif;letter-spacing:normal;margin:18px 0 8px;padding-top:12px;border-top:1px solid #e1e5de}
#timber-app .reinforcement-subheading[hidden]{display:none!important}
#timber-app .text-only-choices button{min-height:54px;height:auto;padding:12px 8px}
#timber-app .text-only-choices button span{font:600 18px/1.3 Arial,sans-serif!important;letter-spacing:normal!important}
#timber-app .result-help{vertical-align:middle;flex:none}
.coefficient-tooltip{max-height:calc(100vh - 24px);overflow:auto;overscroll-behavior:contain}
.normative-table{margin:16px 0}
.normative-table h4{font:600 15px/1.4 Arial,sans-serif;margin:10px 0}
.normative-table-scroll{overflow:auto;max-width:100%;border:1px solid #dce2db}
.normative-table table{border-collapse:collapse;width:100%;font:12px/1.4 Arial,sans-serif;background:white;table-layout:auto}
.normative-table td,.normative-table th{border:1px solid #dce2db;padding:8px;vertical-align:top;min-width:50px;white-space:normal}
.normative-table td:first-child{min-width:130px}
.normative-table img{display:inline-block!important;max-width:none!important;max-height:none!important;vertical-align:middle}
.normative-table a{font:12px/1.4 Arial,sans-serif;color:#355c45}
.normative-table p{margin:4px 0}
#timber-app .anchor-result-length{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;margin:14px 0;color:#355c45}
#timber-app .anchor-result-length strong{font:500 36px/1.2 Arial,sans-serif}
#timber-app .anchor-result-length small{font-size:19px}
#timber-app .anchor-length-details{margin:12px 0 20px;font:13px/1.4 Arial,sans-serif}
#timber-app .anchor-length-details>div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid #e1e5de}
#timber-app .anchor-length-details b{white-space:nowrap}
#timber-app .anchor-verdict{font:13px/1.4 Arial,sans-serif;color:#355c45}
#timber-app .anchor-result-length.fail,#timber-app .anchor-verdict.fail{color:#a84030}
#timber-app .member-section-row small{display:block;font:11px/1.3 Arial,sans-serif;color:#677367}
#timber-app .member-section-row[data-custom=true]{border-left:2px solid #947342;padding-left:5px}
#timber-app .tr-type label{position:relative;min-width:0}
#timber-app .tr-type input{position:absolute;width:1px!important;height:1px!important;min-width:0!important;padding:0!important;left:0;top:0;clip-path:inset(50%);overflow:hidden}
#timber-app .tr-type input:focus-visible+span{outline:2px solid #355b46;outline-offset:2px}
#timber-app .tc-scheme>.frame-scheme-choices,#timber-app .tr-scheme>.tr-type{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));overflow:visible;gap:7px}
#timber-app .tc-scheme>.frame-scheme-choices span,#timber-app .tr-scheme>.tr-type em,#timber-app .column-support-choices .frame-scheme-choices span{font:13px/1.3 Arial,sans-serif;min-height:54px;height:auto;overflow-wrap:normal}
#timber-app .tc-scheme>.frame-scheme-choices svg,#timber-app .tr-scheme>.tr-type .mini{height:45px;min-height:45px}
#timber-app .column-support-choices{grid-template-columns:1fr;overflow:visible}
#timber-app .column-support-choices h3{font:600 14px Arial,sans-serif!important;margin:12px 0 8px}
#timber-app .column-support-choices .frame-scheme-choices{grid-template-columns:repeat(4,minmax(0,1fr))}
/* One tab layout for all calculation diagrams; narrow panels wrap naturally. */
#timber-app .diagram-tabs{display:flex;flex-wrap:wrap;align-items:stretch;justify-content:flex-start;gap:4px;width:100%;min-width:0;max-width:100%;box-sizing:border-box;overflow:visible;margin:6px 0 4px;padding:0}
#timber-app .diagram-tabs button{flex:0 1 auto;min-width:0;max-width:100%;box-sizing:border-box;font:11px/1.25 Arial,sans-serif;min-height:30px;padding:7px 6px;white-space:normal;overflow-wrap:anywhere;text-align:center}
.diagram-tabs button,.diagram-zoom,.audit-jump,.catalog-modes button{font:14px/1.4 Arial,sans-serif;border:1px solid #cbd5cd;background:#fff;color:#294b3c;border-radius:5px;padding:9px 12px;cursor:pointer}
.diagram-tabs button[aria-selected=true],.catalog-modes button[aria-pressed=true]{background:#355b46;color:#fff;border-color:#355b46}
#frame-graphics>.frame-effort[hidden],.tc-report[hidden]{display:none!important}
.diagram-zoom{margin:8px 0;min-height:40px}
.audit-jump{display:block;margin:10px 0;width:100%;text-align:center}
.report-toc{padding:16px 0;border:0;background:transparent;margin:16px 0}
.report-toc ol{display:grid;gap:4px;list-style:none;padding:0}.report-toc a{display:block;padding:4px 0;font:14px/1.5 Arial,sans-serif;color:#765132;background:transparent;border:0;border-radius:0;box-shadow:none;text-decoration:none}.report-toc a:hover,.report-toc a:focus-visible{text-decoration:underline;text-underline-offset:3px}
.diagram-dialog{width:min(1200px,94vw);max-width:94vw;max-height:94dvh;border:1px solid #becac0;border-radius:10px;padding:16px;background:white;color:#17251d}
.diagram-dialog::backdrop{background:#17251d99}.diagram-dialog header{display:flex;align-items:center;justify-content:space-between;gap:16px}.diagram-dialog button{font:14px Arial,sans-serif;padding:10px;border:1px solid #cbd5cd;background:white;border-radius:5px;cursor:pointer}
.diagram-large{overflow:auto}.diagram-large svg{width:100%;height:auto;min-width:760px;max-height:none}.diagram-large .ref-column-axes{display:grid;grid-template-columns:1fr 1fr;min-width:760px}.diagram-large .ref-column-axes svg{min-width:0}
.diagram-detail{padding:10px;background:#f1f6ee;font:14px/1.5 Arial,sans-serif;min-height:40px}
.catalog-modes{display:flex;gap:8px;margin:16px 0}.catalog-search-status{margin:12px 0;font-size:14px;color:#4c5c51}
/* Shared catalogue groups, including filtered search results. */
.calculator-groups{display:grid;gap:36px}
.calculator-group{min-width:0}
.calculator-group-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:14px;margin-bottom:18px;border-bottom:1px solid #d4dcd4}
.calculator-group-heading :is(h2,h3){display:flex;align-items:center;gap:12px;margin:0;font:500 25px/1.25 Georgia,'Times New Roman',serif;color:#263e35;letter-spacing:normal}
.calculator-group-heading .line-icon{width:28px;height:30px;flex-shrink:0}
.calculator-group-heading a{text-decoration:none;color:inherit}
.calculator-group-heading a:hover{text-decoration:underline;text-underline-offset:4px}
.calculator-group-heading>span{font:13px/1.4 Arial,sans-serif;color:#677568;white-space:nowrap}
.calculator-groups .tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.calculator-groups .tool-card :is(h3,h4){font-size:21px;line-height:1.3;font-weight:600;letter-spacing:normal;margin:20px 0 12px;overflow-wrap:anywhere}
/* "Нагрузки" in the timber beam is the shared input-section reference. */
#timber-app form:is(.tc-input-panel,.tr-input) legend{font:500 21px/1.55 Georgia,'Times New Roman',serif;letter-spacing:normal;color:#090e15}
#timber-app form:is(.tc-input-panel,.tr-input) legend:not(.beam-load-heading){display:block}
#timber-app form:is(.tc-input-panel,.tr-input)>:is(.tc-panel-title,header){display:grid;grid-template-columns:1fr;gap:4px;align-items:center}
#timber-app form:is(.tc-input-panel,.tr-input)>:is(.tc-panel-title,header)>h2{font:500 26px/1.2 Georgia,'Times New Roman',serif;letter-spacing:normal;text-align:center;width:100%;margin:0;color:#090e15}
#timber-app form:is(.tc-input-panel,.tr-input)>:is(.tc-panel-title,header)>button{justify-self:end}
@media(max-width:1000px){.calculator-groups .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){
 .calculator-groups{gap:28px}
 .calculator-groups .tool-grid{grid-template-columns:1fr}
 .calculator-group-heading{align-items:flex-start;flex-direction:column;gap:8px}
 .calculator-group-heading :is(h2,h3){font-size:23px}
 .calculator-group-heading>span{padding-left:40px}
}
@media(max-width:760px){
 .hero-photo{background-image:linear-gradient(90deg,#f2f2f2fa,#f2f2f2ec),url('/_assets/5efd1b732075629c42c0/hero-reference.webp')}
 #timber-app form .tc-field,#timber-app form .tr-field{display:block}
 #timber-app form .tc-field input,#timber-app form .tc-field select,#timber-app form .tr-field input,#timber-app form .tr-field select{height:46px;min-height:46px}
 #timber-app .tc-scheme>.frame-scheme-choices,#timber-app .tr-scheme>.tr-type{grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}
 #timber-app .column-support-choices .frame-scheme-choices{grid-template-columns:repeat(2,minmax(0,1fr))}
 #timber-app .ref-column-axes{grid-template-columns:1fr}
 #timber-app .ref-column-details{grid-template-columns:1fr}
 #timber-app .diagram-tabs button{flex:1 1 calc(50% - 4px);min-height:44px}
}
@media print{.diagram-tabs,.diagram-zoom,.audit-jump,.report-toc,.diagram-dialog{display:none!important}}

/* Collapsible input headings: all sections start open, at every screen width. */
#timber-app form fieldset.input-section>legend{width:100%;max-width:100%;box-sizing:border-box}
#timber-app form .input-section-toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:1 1 auto;min-width:0;width:100%;min-height:44px;padding:4px 0;border:0;border-radius:4px;background:transparent;color:inherit;font:inherit;letter-spacing:inherit;text-align:left;white-space:normal;cursor:pointer;box-shadow:none}
#timber-app form .input-section-toggle::after{content:'';flex:0 0 8px;width:8px;height:8px;margin:0 6px 4px 2px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg)}
#timber-app form .input-section-toggle[aria-expanded=false]::after{transform:rotate(-45deg);margin-bottom:0}
#timber-app form .input-section-toggle:hover{color:#315847;background:#3158470a}
#timber-app form .input-section-toggle:focus-visible{outline:2px solid #315847;outline-offset:3px}
#timber-app form .beam-load-heading>.input-section-toggle{width:auto}
@media screen{
 #timber-app form fieldset.input-section-collapsed>:not(legend){display:none!important}
 #timber-app form fieldset.input-section-collapsed{padding-bottom:0!important;min-height:0}
}
@media print{#timber-app form .input-section-toggle::after{display:none}}

/* Left aligned input headings; keep unit switches on the right. */
#timber-app form:is(.tc-input-panel,.tr-input) legend{font-size:23.1px;text-align:left;margin-left:0;margin-right:0}
#timber-app form .input-section-toggle{justify-content:flex-start;text-align:left;gap:6px}
#timber-app form .input-section-toggle::after{margin-left:auto}
#timber-app form .input-section-toggle b{flex:none;margin-right:4px}
#timber-app .beam-coefficient-panel .coefficient-lock{display:flex;justify-content:flex-end;align-items:center;gap:5px;font:11px Arial;margin:0 0 8px;cursor:pointer}
#timber-app .beam-coefficient-panel .coefficient-lock input{width:14px;height:14px;accent-color:#b38b48}

/* Compact numeric value boxes; keep labels, dropdowns and touch height intact. */
#timber-app form :is(.tc-field,.tr-field,.nx-field)>:is(div,.nx-value):has(>input[type="number"]){
 width:var(--numeric-field-width,70%)!important;min-width:var(--numeric-field-width,min(100%,104px))!important;max-width:100%;justify-self:end;margin-left:auto;box-sizing:border-box;
}
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions) :is(.tc-field,.tr-field,.nx-field)>:is(div,.nx-value):has(>input[type="number"]){
 min-width:min(100%,84px)!important;
}

/* Hide native steppers in every numeric input, including tables and coefficients. */
input[type="number"]{-moz-appearance:textfield!important;appearance:textfield!important}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button{-webkit-appearance:none!important;appearance:none!important;margin:0}

/* Coefficients retain their native increment/decrement controls. */
#timber-app :is([data-coefficient-editor],.beam-coefficient-panel,.coefficient-settings) input[type="number"]{
 -moz-appearance:auto!important;appearance:auto!important;
}
#timber-app :is([data-coefficient-editor],.beam-coefficient-panel,.coefficient-settings) input[type="number"]::-webkit-inner-spin-button,
#timber-app :is([data-coefficient-editor],.beam-coefficient-panel,.coefficient-settings) input[type="number"]::-webkit-outer-spin-button{
 -webkit-appearance:auto!important;appearance:auto!important;opacity:1;
}
/* Keep b with the left input and h with the right input. */
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions .tr-fields)>label{
 display:flex!important;align-items:center;gap:6px!important;min-width:0;
}
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions .tr-fields)>label:first-child{justify-content:flex-start}
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions .tr-fields)>label:last-child{justify-content:flex-end}
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions .tr-fields)>label>span:first-child{
 flex:0 0 auto;width:auto;margin:0;white-space:nowrap;
}
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions .tr-fields)>label>:is(div,.nx-value):has(>input[type="number"]){
 flex:0 0 auto;width:calc((100% - 1ch - 6px)*.7)!important;margin-left:0;max-width:calc(100% - 1ch - 6px);
}

/* Right-align the two dimension groups with half an input width between them. */
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions .tr-fields){
 display:flex!important;justify-content:flex-end;gap:0!important;container-type:inline-size;
}
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions .tr-fields)>label{
 --dimension-value-width:max(84px,calc((50cqw - 1ch - 13px)*.7));
 flex:0 0 auto;width:auto!important;justify-content:flex-start;
}
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions .tr-fields)>label:first-child{
 margin-right:calc(var(--dimension-value-width)*.5)!important;
}
#timber-app form :is(.section-dimension-pair,.tr-section-dimensions .tr-fields)>label>:is(div,.nx-value):has(>input[type="number"]){
 width:var(--dimension-value-width)!important;min-width:0!important;max-width:none;
}

/* Numeric controls share the measured b/h size within the input panel. */
#timber-app form [data-uniform-number-box][data-uniform-number-box][data-uniform-number-box]{
 width:var(--numeric-field-width)!important;min-width:var(--numeric-field-width)!important;max-width:var(--numeric-field-width)!important;
 height:var(--numeric-field-height)!important;min-height:var(--numeric-field-height)!important;box-sizing:border-box;flex-shrink:0;justify-self:end;
}
#timber-app form [data-uniform-number-box]>input[type="number"]{
 height:100%!important;min-height:0!important;box-sizing:border-box;
}

/* The snow-case switch belongs to the load inputs, below the snow region. */
#timber-app .snow-unbalanced-control { justify-content:space-between; gap:12px; }
#timber-app .snow-unbalanced-control input { flex:none; width:18px; height:18px; }

/* Keep separators between the main input sections, not their dimension groups. */
#timber-app form :is(.tr-section-group,.dowel-board-section,.reinforcement-subheading,.tc-purlin-controls,.tc-unit-row,.tr-advanced,.nx-advanced,.load-passport-import) { border-top:0!important; border-bottom:0!important; }
#timber-app form hr { display:none; }
#timber-app form :is(.tr-section-group,.dowel-board-section) { margin:10px 0!important; padding:0!important; }
#timber-app form :is(.tr-section-group,.dowel-board-section) h3 { margin:0 0 6px!important; }
#timber-app form .reinforcement-subheading { padding-top:0!important; margin:10px 0 6px!important; }
.calculator-primary-actions{container-type:inline-size}
#main.calculator-page #timber-app form :is(.tc-actions,.tr-actions).calculator-primary-actions{display:grid;grid-template-columns:minmax(0,1fr);align-items:stretch;gap:8px;width:100%;min-width:0;box-sizing:border-box}
#timber-app .calculator-primary-actions>.cloud-save{display:contents}
#timber-app .calculator-primary-actions>button,#timber-app .calculator-primary-actions>.cloud-save>[data-cloud-save]{width:100%;min-width:0;max-width:100%;height:100%;min-height:44px;margin:0;padding:8px 5px;font-size:clamp(11px,3.5cqi,14px);line-height:1.25;white-space:normal;overflow-wrap:anywhere;box-sizing:border-box;gap:4px;justify-content:center;grid-row:1}
#timber-app .calculator-primary-actions>button[type=submit]{grid-column:1;grid-row:1}
#timber-app .calculator-primary-actions>.audit-jump{grid-column:1;grid-row:2}
#timber-app .calculator-primary-actions>.cloud-save>[data-cloud-save]{grid-column:1;grid-row:3}
#timber-app .calculator-primary-actions>:not(button):not(.cloud-save),#timber-app .calculator-primary-actions>.cloud-save>:not([data-cloud-save]){grid-column:1/-1;min-width:0;max-width:100%;overflow-wrap:anywhere}
#timber-app .calculator-primary-actions>p:empty,#timber-app .calculator-primary-actions>.cloud-save>p:empty{display:none}

:is(#timber-app,.wood-heading-toolbar) .calculator-feedback{margin-top:16px;min-width:0}
:root[data-site-theme] :is(#timber-app,.wood-heading-toolbar) .calculator-feedback>a.button{
  width:auto;max-width:100%;min-width:0;min-height:50px;box-sizing:border-box;
  padding:14px 20px;border:1px solid #f5f5f5!important;border-radius:6px;
  background:transparent!important;color:#f5f5f5!important;
  font-size:16px;font-weight:400;line-height:1.4;
  justify-content:center;text-align:center;white-space:normal;text-decoration:none;
}
:root[data-site-theme] :is(#timber-app,.wood-heading-toolbar) .calculator-feedback>a.button:hover{
  background:rgba(255,255,255,.06)!important;border-color:#fff!important;transform:none;
}
:root[data-site-theme] :is(#timber-app,.wood-heading-toolbar) .calculator-feedback>a.button:focus-visible{
  outline:2px solid #f5f5f5;outline-offset:4px;
}
:is(#timber-app,.wood-heading-toolbar) .calculator-feedback>p:empty{display:none}@media print{.calculator-feedback{display:none!important}}