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.record-result{min-width:0}.table-wrap{max-width:100%;min-width:0;overflow-x:auto;overscroll-behavior-x:contain}.spec-table{min-width:560px}
*[hidden]{display:none!important}
.part-evidence{margin-top:20px;padding-top:15px;border-top:1px solid #bac6b9}.part-evidence h4{margin:0 0 10px;font-size:1rem;letter-spacing:-.01em}.part-list,.part-links{list-style:none;padding:0;margin:0}.part-list li{display:grid;gap:5px;padding:11px 12px;margin:8px 0;background:#fffefa;border:1px solid #cfd7cd}.part-list li strong{font-size:.9rem}.part-list li span,.part-list li small{color:#536159;font-size:.73rem}.part-list li p{font-size:.77rem;margin:1px 0 0}.part-list a,.part-links a{color:#174d3d;font-weight:650;font-size:.76rem}.parts-unresolved,.parts-scope{font-size:.77rem!important;margin:9px 0 0!important}.parts-unresolved{color:#603d25!important}.parts-scope{color:#647067!important}.part-links{margin:8px 0}
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.part-tool-id-label{margin-top:14px}.part-number-form>input:not([type="hidden"]){width:100%;height:43px;padding:0 12px;border:1px solid #aeb9af;border-radius:4px;background:white;color:var(--ink)}
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/* Keep the full research nav reachable at widths where a desktop row no longer fits. */
@media (min-width:701px) and (max-width:1200px){
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}

/* Preserve the layout when users enlarge text to 200% on a narrow screen. */
@media(max-width:700px){
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  .guide-library-grid{min-width:0;grid-template-columns:minmax(0,1fr)}
  .guide-library-card,.guide-library-card *{min-width:0;max-width:100%;overflow-wrap:anywhere}
}

.model-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px 24px;padding-left:1.4rem}
@media(max-width:700px){.model-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px}}
.answer-card{margin:12px 0 14px;padding:14px 16px;border:2px solid var(--forest);background:var(--white)}
.answer-label{margin:0 0 4px;font:700 .65rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--forest)}
.answer-sizes,.answer-parts{list-style:none;margin:0;padding:0}
.answer-sizes li{font-size:1.05rem;overflow-wrap:anywhere}.answer-sizes strong{font-size:1.3rem}.answer-sizes span{color:var(--muted)}
.answer-parts{margin-top:8px;font-size:.95rem}.answer-parts code{font:700 1rem var(--mono);user-select:all;background:#e9eddc;padding:1px 5px}
.answer-more{margin:8px 0 0;font-size:.8rem;color:var(--muted)}
.part-list-static{list-style:none;padding:0;margin:0 0 12px}.part-list-static li{padding:8px 0;border-bottom:1px solid var(--rule);overflow-wrap:anywhere}.part-list-static code{font:700 1rem var(--mono);user-select:all}.part-list-static a{display:inline-block;margin-left:6px;font-size:.9rem}
.triage-steps{margin:8px 0;padding-left:20px}.triage-steps li{margin:6px 0}
:root{--engage-bg:var(--white);--engage-fg:var(--ink);--engage-line:var(--rule);--engage-focus:#bd4e2c}.engage{font-family:var(--sans)}.engage button:not(.engage-x){border-color:var(--forest);color:var(--forest);font-weight:600}

/* ---- Mobile-native layer: touch, safe areas, targets, contrast (see research/audits ux-line.md §5) ---- */
html{-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;text-size-adjust:100%}
a,button,summary,label,select,.radio-row{touch-action:manipulation}
button,.button,.masthead nav a,.locale-switch a,.guide-nav a,.radio-row,summary,.preview-tag,.brand{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
input,select,textarea{font-size:max(16px,1rem)}
.masthead{padding-left:max(28px,calc((100% - 1200px)/2),env(safe-area-inset-left,0px));padding-right:max(28px,calc((100% - 1200px)/2),env(safe-area-inset-right,0px))}
footer{padding-bottom:calc(20px + env(safe-area-inset-bottom,0px))}
/* Control borders and muted text: 3:1 / 4.5:1+ for glare and aisle use. */
.field input,.field select,.measure-inputs input,.measure-inputs select,.part-number-controls input{border-color:#7d8a80}
.reading-links span{color:#55645b}
.method-small{color:#4f5b54!important}
/* Press feedback on every input type (hover is gated above). */
.button:active{transform:scale(.97);transition-duration:.1s}
.button.primary:active{background:#0d392f}.button.quiet:active{background:#dfe3d6}
.field select:active,.radio-row:active,.masthead nav a:active,.locale-switch a:active,.guide-nav a:active,.reading-links a:active,.text-link:active,.part-links a:active,.faq-section summary:active{background:#e8ebe1}
.guide-nav a:active{background:#16483d;color:var(--leaf)}
@media(pointer:coarse){
  .masthead nav a,.locale-switch a,.text-link,.part-links a,.guide-nav a,.source-links a,.legal-links a,footer>a,.breadcrumbs a,.model-list a,.reading-links a{display:inline-flex;align-items:center;min-height:44px}
  .legal-links{display:flex;flex-wrap:wrap;gap:0 4px}
  .legal-links a,footer>a{padding:0 8px}
  .part-links li{display:block}.part-links a{display:flex;width:100%}
  .brand{min-height:44px}
  .field input,.field select,.measure-inputs input,.measure-inputs select,.part-number-controls input,.button{min-height:48px}
  .radio-row{min-height:44px;align-items:center;padding:6px 4px;gap:12px;font-size:.9rem}
  .radio-row input{width:22px;height:22px;margin:0;flex:none}
  .faq-section summary{display:flex;align-items:center;min-height:44px;padding:8px 0}
  .faq-section details{padding-top:0;padding-bottom:0}
}
@media(max-width:700px){
  html{scroll-padding-top:16px}
  /* One compact header: brand on top, nav and market/language as single swipeable rows, 44px pills. */
  .masthead{min-height:0;padding-top:max(10px,env(safe-area-inset-top,0px));padding-bottom:0;gap:0}
  .masthead nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;padding:0;gap:4px;margin:0 -18px;padding:0 18px;width:calc(100% + 36px)}
  .masthead nav a{flex:none;white-space:nowrap;font-size:.85rem;padding:0 10px;scroll-snap-align:start}
  .locale-switch{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0;padding:2px 18px;gap:6px;border-bottom:1px solid var(--rule)}
  .locale-switch>span{flex:none;font-size:.72rem}
  .locale-switch a{flex:none;white-space:nowrap;font-size:.8rem;padding:0 14px}
  .preview-tag{order:2;font-size:.7rem}
  /* Labels never under 11px. */
  .overline,.tool-index,.plate-head,.line-spec-tail,.source-stamp,.measure-output>span,.reading-links span,.result-kicker,.empty-mark{font-size:max(.72rem,11.5px)}
  .line-spec-tail,.source-stamp{letter-spacing:.08em}
  /* Reference tables become labelled cards instead of sideways scrolling (labels added by track.js). */
  .guide-table-wrap{overflow:visible}
  .guide-table,.guide-table tbody,.guide-table tr,.guide-table td{display:block;width:100%;min-width:0}
  .guide-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .guide-table tr{border:1px solid var(--rule);background:var(--white);margin:0 0 10px;padding:6px 12px}
  .guide-table td{border:0;padding:5px 0}
  .guide-table td[data-label]::before{content:attr(data-label);display:block;font:700 .7rem/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:#4f5b54}
}
/* Feedback card: out of the way of the keyboard and the answer. */
@media(max-width:700px){.engage{left:12px;right:12px;width:auto;bottom:calc(12px + env(safe-area-inset-bottom,0px));padding:12px 14px}}
body:has(#fit-form :focus,#part-number-form :focus,.measure-inputs :focus) .engage:not(:focus-within){display:none}
@media(max-width:700px){
  .brand span,.footer-brand span,.record-meta span,.spec-table th,.answer-label,.answer-more,.guide-table th,.source-stamp,.preview-tag{font-size:max(.72rem,11.5px)}
  .brand small{font-size:max(.7rem,11px)}
  .measure-inputs input,.measure-inputs select{height:48px}
}
@media(pointer:coarse){
  .part-list-static a,.part-evidence a,.part-list a,.source-note a,.model-use-sources a,.part-number-result a,.part-number-table a,.record-result li>a,.guide-callout a,.text-link{display:inline-flex;align-items:center;min-height:44px}
  .breadcrumbs a{min-width:44px;justify-content:center}
  .part-list-static li{display:flex;flex-wrap:wrap;align-items:center;gap:0 8px}
}
#part-tool-id,#part-number-input,#product-sku,#model{min-height:48px;height:48px}
@media(max-width:700px){.result-kicker{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}}
.answer-sizes .role{font:700 .68rem/1 var(--mono);font-style:normal;letter-spacing:.04em;text-transform:uppercase;padding:3px 6px;margin:0 2px;border:1px solid #7d8a80;color:#33463d;white-space:nowrap}
.answer-sizes .role-standard{background:#e9eddc;border-color:var(--forest);color:var(--forest)}
@media(max-width:700px){.answer-sizes .role{font-size:max(.72rem,11.5px)}}
.suggestions li a{font-weight:700}
/* Shared consent bar (consent.css) in site colours. */
:root{--consent-bg:var(--white);--consent-fg:var(--ink);--consent-line:var(--forest);--consent-focus:#bd4e2c}
.consent{border-width:2px;border-radius:6px}
.consent button{min-width:44px;border-color:var(--forest);color:var(--forest)}
.consent button[data-c=granted]{background:var(--forest);color:#fff}
.consent button:active{transform:scale(.97)}
.consent a{font-weight:700;text-underline-offset:3px;display:inline-flex;align-items:center;min-height:44px}
/* Phones: the tool comes first. The decorative line-size plate is hidden; the same sizes are in the size chart. */
@media(max-width:700px){.hero-plate{display:none}.hero{padding-bottom:20px}}

/* "Cite this page" block on guides and model pages */
.cite{max-width:960px;margin:44px auto 0;padding:18px 20px;border:1px solid var(--rule);background:var(--white);font-size:.85rem}.cite h2{font-size:1.05rem;margin:0 0 10px}.cite dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0 0 12px}.cite dt{color:var(--muted);font-weight:600}.cite dd{margin:0;overflow-wrap:anywhere}.cite button{min-height:44px;padding:10px 14px;border:1px solid var(--forest);border-radius:4px;background:transparent;color:var(--forest);font-weight:650;cursor:pointer}.cite [role=status]{margin-left:8px;color:var(--forest);font-weight:600}
@media(max-width:700px){.cite{margin-inline:18px}.cite dl{grid-template-columns:minmax(0,1fr);gap:2px}.cite dd{margin-bottom:8px}}