.ob-tool{box-sizing:border-box;border:0;border-radius:0;background:transparent;padding:0;margin:2rem 0;color:#172033;max-width:900px}.ob-tool *{box-sizing:border-box}.ob-tool h2{margin:0 0 1rem;font-size:clamp(1.25rem,2.5vw,1.6rem)}.ob-diagram{margin:1rem 0;text-align:center;background:transparent;border:0;padding:0;border-radius:0}.ob-diagram img{display:block;max-width:100%;max-height:570px;object-fit:contain;margin:auto}.ob-fields,.ob-report-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:14px;margin:1rem 0}.ob-tool label.ob-field,.ob-report-meta label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:.95rem}.ob-tool small{font-size:.85em;font-weight:400}.ob-tool input{font:inherit;color:inherit;background:#fff;border:1px solid #8a9bad;border-radius:6px;padding:10px;min-height:44px;width:100%;max-width:100%}.ob-tool input:focus-visible,.ob-print:focus-visible{outline:3px solid #1e71bb;outline-offset:2px}.ob-tool input:invalid{border-color:#ad3434}.ob-field-error{font-size:.82rem;line-height:1.4;color:#9d2525;font-weight:600}.ob-field-error:empty{display:none}.ob-formula,.ob-note{font-size:.93rem;line-height:1.55}.ob-result{display:block;padding:14px 17px;border-left:4px solid #086b83;background:#eaf7f9;font-weight:700;line-height:1.5}.ob-result-error{border-left-color:#ab4545;background:#fff2f0}.ob-print{cursor:pointer;background:#124a70;color:#fff;border:0;border-radius:7px;padding:11px 17px;font:inherit;font-weight:700;margin-top:1rem}.ob-print:hover{background:#0a3452}.ob-print-status{display:block;color:#9d2525;font-size:.9rem;margin-top:.6rem}.ob-measure-group{border:1px solid #ccd5df;border-radius:7px;margin:16px 0;padding:12px 16px 18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:12px}.ob-measure-group legend{padding:0 7px;font-weight:700}.ob-error{color:#a32929}.ob-notice{padding:10px 15px;border-left:4px solid #47718e;background:#f2f7fa}.ob-notice-qualified{border-left-color:#af5b27;background:#fff5ea}.ob-category-catalog ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px;list-style:none;padding:0}.ob-category-catalog li{margin:0}.ob-category-catalog a{display:inline-block;padding:12px 14px;border:1px solid #cbd5e1;border-radius:7px;text-decoration:none}.ob-category-catalog a:hover,.ob-category-catalog a:focus-visible{background:#eaf7f9}#ob-print-report{display:none} .ob-editor-tool{border:1px solid #b9c6d4;padding:18px;background:#f8fafc}
.ob-field-help{display:block;color:#425670;font-size:.84rem;line-height:1.45}.ob-field-group{grid-column:1/-1;margin:.5rem 0 0;font-size:1.05rem}.ob-diagram-hint{font-size:.87rem;color:#46546a}.ob-result{white-space:pre-line}
body.single-ob_guide article.type-ob_guide .entry-header .entry-meta,
body.single-ob_guide article.type-ob_guide .entry-header .post-meta,
body.single-ob_guide article.type-ob_guide .entry-header .entry-summary,
body.single-ob_guide article.type-ob_guide .hero-section .entry-header .page-description,
body.single-ob_guide article.type-ob_guide .entry-header .post-excerpt,
body.single-ob_guide article.type-ob_guide .entry-header .excerpt,
body.single-ob_guide article.type-ob_guide .entry-footer .entry-meta,
body.single-ob_guide article.type-ob_guide .entry-footer .post-meta,
body.single-ob_guide article.type-ob_guide > .post-info,
body.single-ob_guide article.type-ob_guide .byline,
body.single-ob_guide article.type-ob_guide .posted-on,
body.single-ob_guide article.type-ob_guide .cat-links,
body.single-ob_guide article.type-ob_guide .tags-links,
body.single-ob_guide article.type-ob_guide .post-categories,
body.single-ob_guide article.type-ob_guide .wp-block-post-excerpt,
body.single-ob_guide article.type-ob_guide .wp-block-post-author,
body.single-ob_guide article.type-ob_guide .wp-block-post-author-name,
body.single-ob_guide article.type-ob_guide .wp-block-post-date,
body.single-ob_guide article.type-ob_guide .wp-block-post-terms{display:none!important}



/* One column keeps the live diagram and its answer within the article width. */
.ob-tool.ob-calculator{width:100%;min-width:0;max-width:900px;margin-inline:auto}
.ob-calculator-layout{display:flex;flex-direction:column;gap:0;min-width:0;max-width:100%}
.ob-input-panel,.ob-live-panel{width:100%;min-width:0}
.ob-tool .ob-fields,.ob-tool .ob-measure-group,.ob-tool fieldset,.ob-tool label.ob-field{min-width:0;max-width:100%}
.ob-tool input[data-key]{min-width:0}
.ob-input-panel .ob-fields{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
.ob-input-panel .ob-opening-pair{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:0;background:transparent;border:0;border-radius:0}
.ob-opening-pair .ob-field{min-width:0}
.ob-calculator input[data-key]{background:#edf7fc;border:1px solid #719ab2;color:#102a40;font-weight:600;font-size:1rem;min-height:48px;box-shadow:none}
.ob-calculator input[data-key]:focus{background:#fff;border-color:#1765be}
.ob-calculator input[data-key][aria-invalid="true"]{background:#fff3f1;border-color:#b63a34}
.ob-live-panel{position:static;display:block;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}
.ob-live-label{font-weight:750;color:#124a70;margin:0 0 6px}
.ob-live-panel .ob-live-diagram{width:100%;margin:10px 0 14px;overflow:hidden}
.ob-live-panel .ob-live-diagram svg{display:block;width:100%;min-width:0;max-width:100%;height:auto;max-height:none}
.ob-result-actions{width:100%;background:transparent;margin:1.25rem 0}
.ob-result-actions .ob-result{font-size:clamp(.95rem,1.5vw,1.08rem);max-height:none;overflow:visible}
.ob-tool.ob-calculator .ob-input-panel>.ob-print{display:block;min-width:220px;max-width:100%;min-height:48px;margin-top:1rem}
.ob-calculator .ob-field-group{grid-column:1/-1}
@media(max-width:520px){
  .ob-input-panel .ob-fields{grid-template-columns:1fr}
  .ob-input-panel .ob-opening-pair{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:0}
  .ob-opening-pair .ob-field>span{font-size:.9rem}
}
/* Keep the same theme shell for guide archives and their taxonomy cards. */
body.tax-ob_category .site-main .ct-container,body.post-type-archive-ob_guide .site-main .ct-container{max-width:var(--theme-block-max-width,1200px)}
body.tax-ob_category .site-main .entries,body.post-type-archive-ob_guide .site-main .entries{row-gap:clamp(18px,2vw,30px)}
body.tax-ob_category .site-main .entry-card,body.post-type-archive-ob_guide .site-main .entry-card{height:100%;border-radius:10px;overflow:hidden}

/* Report fields and an in-article shortcut. No sticky UI and no account storage. */
.ob-tool[id^="ob-calculator-"],.ob-tool[id^="ob-measurements-"]{scroll-margin-top:calc(5rem + var(--wp-admin--admin-bar--height,0px))}
.ob-tool-shortcut{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:900px;margin:1rem auto 1.5rem;padding:10px 0;border:0;border-radius:0;background:transparent;color:#172033;box-sizing:border-box}
.ob-tool-shortcut-text{display:flex;flex-direction:column;gap:3px;min-width:0;line-height:1.4}
.ob-tool-shortcut-text strong{font-size:1rem}
.ob-tool-shortcut-text span{font-size:.9rem}
.ob-tool-shortcut-links{display:flex;flex-wrap:wrap;gap:8px;flex-shrink:0;max-width:100%}
.ob-tool-shortcut a.ob-tool-jump{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border-radius:6px;background:#124a70;color:#fff;font-size:.95rem;font-weight:700;text-decoration:none;line-height:1.4;overflow-wrap:anywhere}
.ob-tool-shortcut a.ob-tool-jump:hover{background:#0a3452}
.ob-tool-shortcut a.ob-tool-jump:focus-visible,.ob-tool textarea:focus-visible{outline:3px solid #1e71bb;outline-offset:3px}
.ob-tool .ob-report-meta{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}
.ob-tool .ob-user-notes{margin:1rem 0 0}
.ob-tool .ob-user-notes label{display:flex;flex-direction:column;gap:5px;font-size:.95rem;font-weight:600}
.ob-tool .ob-user-notes textarea{box-sizing:border-box;width:100%;min-height:100px;max-width:100%;resize:vertical;font:inherit;font-weight:400;line-height:1.5;color:#172033;background:#fff;border:1px solid #8a9bad;border-radius:6px;padding:10px}
@media(max-width:560px){
  .ob-tool-shortcut{align-items:stretch;flex-direction:column;gap:10px;padding:10px 0}
  .ob-tool-shortcut-links{width:100%;flex-direction:column}
  .ob-tool-shortcut a.ob-tool-jump{width:100%;box-sizing:border-box}
  .ob-tool .ob-report-meta{grid-template-columns:1fr}
}

/* 0.4.12: one open form, prominent inputs, a vertical result list. */
.ob-tool.ob-calculator .ob-result-heading{margin:0 0 .6rem;font-size:1.08rem;font-style:normal}
.ob-tool.ob-calculator .ob-result{display:block;white-space:normal;padding:12px 16px!important;border:0!important;border-radius:0!important;background:#f3f7f9!important;color:#172033!important;box-shadow:none!important;font-size:1rem;font-weight:400;line-height:1.5}
.ob-tool.ob-calculator .ob-result.ob-result-error{background:#fff3f1!important;color:#8b2323!important}
.ob-tool.ob-calculator .ob-result-list{display:block;list-style:disc outside;margin:0;padding-left:1.2rem}
.ob-tool.ob-calculator .ob-result-list>li{display:list-item;margin:0 0 .35rem;padding:0;overflow-wrap:anywhere}
.ob-tool .ob-result-label{font-weight:400}
.ob-tool .ob-result-value{font-weight:700}
.ob-tool .ob-result-note{font-size:.94rem;font-weight:400;margin:.65rem 0 0;line-height:1.5}
.ob-tool .ob-result-precision{font-size:.8rem;font-weight:400;color:#4c5965;margin:.45rem 0 0;line-height:1.4}
.ob-tool .ob-field input{scroll-margin-top:6rem}
.ob-tool .ob-report-meta{margin-top:1.25rem}
.ob-tool .ob-user-notes textarea{font-size:1rem}
@media(max-width:560px){.ob-tool.ob-calculator .ob-input-panel>.ob-print{width:100%}}

/* Standalone A4 report: scoped to the temporary print root, not the website. */
@media print{
  @page{size:A4;margin:11mm 12mm 12mm}
  body.ob-printing>*:not(#ob-print-report){display:none!important}
  body.ob-printing{background:#fff!important;color:#111!important;margin:0!important;padding:0!important;min-width:0!important}
  body.ob-printing #ob-print-report{display:block!important;position:static!important;box-sizing:border-box!important;width:auto!important;max-width:none!important;margin:0!important;padding:0!important;background:#fff!important;color:#111!important;font:9.5pt/1.3 Arial,Helvetica,sans-serif!important}
  #ob-print-report *{box-sizing:border-box;letter-spacing:normal;text-transform:none;box-shadow:none;text-shadow:none}
  #ob-print-report p{margin:0 0 2mm;font-size:inherit;line-height:inherit}
  #ob-print-report h1{font:700 15pt/1.18 Arial,Helvetica,sans-serif!important;color:#111!important;margin:0 0 3mm!important;overflow-wrap:anywhere}
  #ob-print-report h2,#ob-print-report h3{font:700 10pt/1.25 Arial,Helvetica,sans-serif!important;color:#111!important;margin:3mm 0 1.5mm!important;break-after:avoid;page-break-after:avoid}
  #ob-print-report .ob-print-header{display:block!important;position:static!important;margin:0 0 3mm;padding:0;border-bottom:1px solid #8a949c;break-inside:avoid;page-break-inside:avoid}
  #ob-print-report .ob-print-brand{display:flex;align-items:center;gap:2mm;margin:0 0 2mm;font:700 9pt/1.2 Arial,Helvetica,sans-serif;color:#263a48}
  #ob-print-report .ob-print-brand-icon{display:block;width:6mm;height:6mm;object-fit:contain}
  #ob-print-report .ob-print-meta{display:grid;grid-template-columns:minmax(0,1fr) 49mm;gap:3mm 7mm;margin:0 0 3mm;padding:0}
  #ob-print-report .ob-print-meta>div{min-width:0}
  #ob-print-report .ob-print-meta dt{margin:0 0 .8mm;font-size:8pt;color:#4b555e;font-weight:400}
  #ob-print-report .ob-print-meta dd{margin:0;font-size:9.5pt;font-weight:600;overflow-wrap:anywhere;min-height:4mm}
  #ob-print-report .ob-print-place-blank{border-bottom:1px solid #c3c8cd}
  #ob-print-report .ob-print-section{display:block;break-inside:auto}
  #ob-print-report .ob-print-diagram{max-width:164mm;margin:2mm auto 3mm;padding:0;text-align:center;break-inside:avoid;page-break-inside:avoid}
  #ob-print-report .ob-print-diagram img{display:block;max-width:100%;max-height:90mm;object-fit:contain;margin:0 auto}
  #ob-print-report .ob-print-live-diagram svg{display:block;width:100%;max-width:100%;height:auto;max-height:78mm;margin:0 auto}
  #ob-print-report .ob-print-diagram figcaption{font:7.5pt/1.2 Arial,Helvetica,sans-serif;color:#444;margin:1mm 0 0}
  #ob-print-report .ob-print-result-box{border:0;background:transparent;padding:0;margin:2mm 0 3mm;break-inside:avoid;page-break-inside:avoid}
  #ob-print-report .ob-print-result-box-pv{break-inside:auto;page-break-inside:auto}
  #ob-print-report .ob-print-result-box .ob-print-heading{margin:0 0 1mm!important}
  #ob-print-report .ob-print-result{font:700 10pt/1.3 Arial,Helvetica,sans-serif!important;white-space:pre-line;margin:0 0 1mm}
  #ob-print-report .ob-print-equation{font-size:8.5pt;line-height:1.3;white-space:pre-line;color:#303940;margin:0;overflow-wrap:anywhere}
  #ob-print-report .ob-print-table{width:100%;border-collapse:collapse;margin:0 0 3mm;table-layout:fixed;font:9pt/1.25 Arial,Helvetica,sans-serif!important}
  #ob-print-report .ob-print-table th,#ob-print-report .ob-print-table td{border:1px solid #bcc4ca;padding:1.25mm 2mm;text-align:left;vertical-align:top;overflow-wrap:anywhere;font-size:9pt!important;line-height:1.25!important}
  #ob-print-report .ob-print-table th{width:64%;background:#f4f5f6;font-weight:400}
  #ob-print-report .ob-print-table th[colspan]{font-weight:700;background:#e9edef}
  #ob-print-report .ob-print-table tr{break-inside:avoid;page-break-inside:avoid}
  #ob-print-report .ob-print-note{font-size:8pt;line-height:1.3;margin:2mm 0;color:#303940}
  #ob-print-report .ob-print-user-notes{margin:3mm 0 0;break-inside:auto}
  #ob-print-report .ob-print-user-note-text{font-size:9pt;line-height:1.35;white-space:pre-wrap;overflow-wrap:anywhere;widows:2;orphans:2;margin:0}
  #ob-print-report .ob-print-note-lines{break-inside:avoid;page-break-inside:avoid}
  #ob-print-report .ob-print-note-lines>div{height:5.5mm;border-bottom:1px solid #c1c7cc}
  #ob-print-report .ob-print-footer{display:block!important;position:static!important;border-top:1px solid #bcc4ca;padding:2mm 0 0;margin:4mm 0 0;color:#454c53;font:7.5pt/1.25 Arial,Helvetica,sans-serif!important;overflow-wrap:anywhere;break-inside:avoid;page-break-inside:avoid}
  #ob-print-report .ob-print-footer p{font-size:7.5pt;line-height:1.25;margin:0 0 1mm}
  #ob-print-report .ob-print-url{color:#454c53}
  .ob-tool-shortcut{display:none!important}
  #ob-print-report .ob-print-result-list{display:block;list-style:disc outside;margin:0 0 2mm!important;padding-left:4mm!important;font:9.5pt/1.3 Arial,Helvetica,sans-serif!important}
  #ob-print-report .ob-print-result-list>li{display:list-item;margin:0 0 1mm;padding:0;font-size:9.5pt;line-height:1.3;break-inside:avoid;overflow-wrap:anywhere}
  #ob-print-report .ob-result-label{font-weight:400}
  #ob-print-report .ob-result-value{font-weight:700}
  #ob-print-report .ob-result-note{font:9pt/1.3 Arial,Helvetica,sans-serif;margin:1.5mm 0}
  #ob-print-report .ob-result-precision{font:7.5pt/1.25 Arial,Helvetica,sans-serif;color:#454c53;margin:1mm 0 2mm}
  #ob-print-report>.ob-print-diagram{margin:4mm auto 2mm}
}

/* 0.4.13: print is discoverable before the graphic and remains below notes. */
.ob-tool .ob-tool-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin:0 0 .65rem}
.ob-tool .ob-tool-header>h2{flex:1;min-width:0;margin:0;font-size:clamp(1.15rem,2.3vw,1.5rem)}
.ob-tool .ob-print-action{margin-top:.8rem;max-width:100%}
.ob-tool .ob-print-action-top{margin:0;flex:0 0 auto;max-width:260px}
.ob-tool .ob-print-action .ob-print{margin:0;min-height:44px;line-height:1.35;white-space:normal}
.ob-tool .ob-print-status:empty{display:none}
.ob-tool .ob-print-status{font-size:.85rem;line-height:1.4}
.ob-tool .ob-print,.ob-tool-shortcut a.ob-tool-jump{background:#c62828!important;color:#fff!important;border:0!important;box-shadow:none!important;text-decoration:none!important}
.ob-tool .ob-print:hover,.ob-tool-shortcut a.ob-tool-jump:hover{background:#a31e1e!important;color:#fff!important}
.ob-tool .ob-print:focus-visible,.ob-tool-shortcut a.ob-tool-jump:focus-visible{outline:3px solid #17304b;outline-offset:3px}
.ob-tool .ob-live-panel .ob-live-diagram{margin-top:0;margin-bottom:8px}
.ob-tool .ob-fields{margin-top:.5rem}
@media(max-width:560px){
  .ob-tool .ob-tool-header{flex-direction:column;gap:8px}
  .ob-tool .ob-print-action-top{width:100%;max-width:none}
  .ob-tool .ob-print-action .ob-print{width:100%}
}
@media print{.ob-tool-header .ob-print-action,.ob-tool .ob-print-action{display:none!important}}

/* 0.4.14: the title of the page is not repeated as a tool/diagram heading. */
.ob-tool .ob-tool-header>.ob-tool-caption{flex:1;min-width:0;margin:0;font-size:1.15rem;font-weight:700;line-height:1.4}

/* A readable, live field diagram for every measurement card. */
.ob-measurement-visual{width:100%;max-width:100%;min-width:0;margin:.5rem 0 1rem}
.ob-measurement-visual .ob-measurement-diagram{max-width:800px;width:100%;margin:0 auto}
.ob-measurement-diagram svg{display:block;width:100%;max-width:100%;height:auto;margin:auto;overflow:hidden}
.ob-measurement-diagram [data-ob-field]{cursor:pointer}
.ob-measurement-diagram [data-ob-field]:hover rect{stroke:#a31e1e;stroke-width:2}
.ob-measurement-diagram [data-ob-field]:hover text{fill:#a31e1e}
.ob-measurement-diagram [data-ob-field]:focus-visible{outline:2px solid #1765be;outline-offset:3px}
.ob-measurement-visual [hidden]{display:none!important}
.ob-measurement-diagram figcaption{font-size:.88rem;line-height:1.45;color:#425670;margin:.5rem auto 0}
@media(max-width:560px){.ob-measurement-visual .ob-measurement-diagram{max-width:100%}}
@media print{
  #ob-print-report .ob-measure-print{max-width:100%;margin:4mm auto 2mm;break-inside:avoid;page-break-inside:avoid}
  #ob-print-report .ob-measure-print svg{display:block;width:100%;max-width:100%;max-height:none;height:auto;overflow:visible}
  #ob-print-report .ob-measure-print figcaption{font-size:7.5pt;line-height:1.3;margin:1mm 0;color:#394958}
}
.ob-tool .ob-window-measure-help{font-size:.94rem;line-height:1.55;margin:.5rem 0 .85rem}

@media print{#ob-print-report .ob-print-table-vertical th{width:auto}#ob-print-report .ob-print-table-vertical th:first-child{width:14%}}