:root{font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#202b35;background:#f4f6f7;--ink:#202b35;--muted:#52616b;--subtle:#697780;--line:#dce3e6;--border:#7d8e96;--accent:#236574;--accent-hover:#174c59;--accent-soft:#e8f1f3;--result-surface:#eef5f6;--white:#fff}
*{box-sizing:border-box}
body{margin:0}a{color:var(--accent);text-underline-offset:3px}button,input,select{font:inherit}button,a,input,select,summary{outline-offset:3px}:where(button,a,input,select,summary):focus-visible{outline:2px solid var(--accent)}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}
[hidden]{display:none!important}
.skip-link{position:absolute;left:-9999px;top:8px;padding:8px;background:white;z-index:20}
.skip-link:focus{left:10px}
.topbar{height:64px;background:white;border-bottom:1px solid var(--line)}
.topbar-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 28px;max-width:1440px;margin:auto}
.brand-line{display:flex;align-items:center;gap:20px;min-width:0}
.brand{font-size:15px;font-weight:750;letter-spacing:.12em;text-decoration:none;color:var(--ink)}
.product-name{border-left:1px solid var(--line);padding-left:20px;font-size:14px;color:var(--muted)}
.edition{margin-left:auto;color:var(--muted);font-size:13px}
.app-frame{max-width:1440px;margin:auto;padding:0 28px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:32px;align-items:start}
.tool-nav{padding:24px 0;min-width:0}
.all-tools-link{display:flex;align-items:center;min-height:42px;padding:0 12px;margin-bottom:16px;border-radius:6px;background:var(--accent-soft);color:var(--accent);font-weight:650;text-decoration:none}
.tool-list{border-top:1px solid var(--line);padding-top:14px}
.tool-list>summary{display:none}
.tool-link-group{margin:0 0 20px}
.tool-link-group h2{margin:0 0 6px;padding:0 8px;color:var(--subtle);font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase}
.tool-link-list{display:block}
.tool-link{display:block;padding:8px;border-radius:5px;color:var(--muted);font-size:13px;line-height:1.35;text-decoration:none}
.tool-link:hover{background:#eaf0f1;color:var(--ink)}
.tool-link[aria-current=page]{background:var(--accent-soft);color:var(--accent);font-weight:700}
.global-nav{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:wrap}
.global-nav a{display:flex;align-items:center;min-height:40px;padding:7px 12px;border-radius:6px;color:var(--ink);font-size:14px;font-weight:550;text-decoration:none;white-space:nowrap}
.global-nav a:hover,.global-nav a[aria-current=location]{background:#f0f4f4;color:var(--accent)}
.global-nav .global-order{background:var(--accent);color:white;font-weight:650}
.global-nav .global-order:hover{background:var(--accent-hover)}
.nav-symbol{width:17px;height:17px;flex-shrink:0}
.tool-main{padding:26px 0 24px;min-width:0}
.tool-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:10px}
.tool-heading h1{font-size:30px;font-weight:650;letter-spacing:-.035em;line-height:1.2;margin:0}
.tool-heading p{font-size:15px;color:var(--muted);margin:7px 0 0}
.tool-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.tool-actions button,.mobile-result-link{min-height:42px;font-size:14px;border:1px solid var(--border);border-radius:8px;padding:8px 13px;background:white;color:var(--ink);text-decoration:none}
.tool-actions button:last-child{background:transparent;border-color:transparent;color:var(--muted)}
.tool-actions button:hover,.mobile-result-link:hover{background:var(--accent-soft)}
.mobile-result-link{display:none}
.example-notice{font-size:13px;color:#354e58;min-height:18px;margin:0 0 14px;padding:0}
.example-notice:not(:empty){padding:9px 12px;border-left:3px solid var(--accent);border-radius:0 8px 8px 0;background:#eaf2f4}
.workspace{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:28px;align-items:start}
.controls{min-width:0;padding:0 24px 20px;border:1px solid var(--line);border-radius:8px;background:white}
.control-top{display:flex;align-items:center;gap:18px;justify-content:space-between;min-height:82px;border-bottom:1px solid var(--line)}
.control-top>div{display:flex;flex-direction:column}
.section-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.control-top label{font-size:16px;font-weight:600}
.control-top select{max-width:64%;font-size:15px}select{color:var(--ink);border:1px solid var(--border);border-radius:8px;background:white;padding:9px 11px;cursor:pointer;min-height:44px}
.method-help{font-size:14px;line-height:1.55;color:var(--muted);padding:14px 0;margin:0;border-bottom:1px solid var(--line)}
.input-section{padding:19px 0 15px;border-bottom:1px solid var(--line)}
.input-section h2{font-size:17px;line-height:1.35;margin:0 0 15px;font-weight:650;letter-spacing:-.01em}
.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px}
.full-field{grid-column:1/-1}
.parameter{min-width:0;display:flex;flex-direction:column;gap:7px}
.parameter>label,.material-pair label{font-weight:550;font-size:15px;color:var(--ink)}
.numeric{display:flex;align-items:stretch;min-width:0;width:100%;height:46px}
.numeric input{font-size:16px;font-variant-numeric:tabular-nums;width:100%;min-width:0;padding:9px 11px;color:var(--ink);background:white;border:1px solid var(--border);border-right:0;border-radius:8px 0 0 8px;-moz-appearance:textfield}
.numeric input::-webkit-inner-spin-button,.numeric input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.numeric input:hover{border-color:var(--accent)}
.numeric>span,.numeric select{display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--muted);min-width:58px;padding:0 11px;background:#f5f8f9;border:1px solid var(--border);border-radius:0 8px 8px 0}
.numeric select{min-width:100px;max-width:42%;height:46px}
.micro{font-size:14px;color:var(--muted);line-height:1.55;margin:10px 0 0}
.input-hint{margin-top:13px}
.material-pair select,.field-grid select{width:100%;font-size:15px}
.extra-conditions{font-size:15px;border-top:1px solid var(--line)}
.extra-conditions summary{padding:17px 0;cursor:pointer;color:var(--ink);font-weight:550}
.extra-conditions summary span{float:right;font-size:13px;color:var(--muted);font-weight:400}
.extra-inner{padding:0 0 4px}
.extra-inner label{font-size:14px;display:block;margin:12px 0 6px}
.extra-inner label span{color:var(--muted)}
.extra-inner input{width:100%;min-width:0;height:44px;border:1px solid var(--border);background:white;border-radius:8px;padding:8px 10px;font-size:15px}
.extra-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.inline-error{border-left:3px solid #a04424;font-size:14px;color:#84391e;background:#fff1e8;padding:10px 12px;margin:14px 0 0}
.readout{padding:24px;background:var(--result-surface);border:1px solid #d6e4e7;border-radius:8px;min-width:0}
.readout-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--accent);font-size:12px;font-weight:650;letter-spacing:.07em}
.live-label{display:flex;align-items:center;gap:6px;letter-spacing:0;font-size:13px;color:var(--muted);font-weight:400}
.live-label::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--accent)}
.result-value,.blank-value{font-size:58px;font-weight:580;letter-spacing:-.055em;line-height:1.14;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin:19px 0 4px}
.result-unit{font-size:19px;font-weight:400;letter-spacing:-.02em;margin-left:2px;white-space:nowrap}
.result-sub{font-size:15px;color:var(--muted);margin:5px 0 12px}
.result-breakdown>summary{display:none}
.result-equation{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px;color:#354a52;line-height:1.7;border-top:1px solid #d2e0e3;padding-top:16px;margin-top:20px;overflow-wrap:anywhere}
.result-scope{font-size:14px;color:var(--muted);margin:10px 0 0}
.readout-actions{display:flex;align-items:center;gap:12px;padding-top:20px}
.readout-actions button{display:flex;align-items:center;gap:8px;background:white;border:1px solid #9eb2b8;padding:9px 13px;border-radius:8px;color:var(--ink);font-size:14px;min-height:44px}
.readout-actions button svg{width:16px;height:16px}
.readout-actions button:hover:enabled{background:#e1edef;border-color:var(--accent)}
.readout-actions span,.result-status{font-size:13px;color:var(--accent)}
.result-status:not(:empty){margin-top:8px}
.readout-note{margin-top:20px;font-size:13px;color:var(--muted);border-top:1px solid #d2e0e3;padding-top:13px}#result-empty p{font-size:15px;color:var(--muted)}
.result-order-cta,.directory-order-cta{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:18px;padding:15px 16px;background:#eef4f4;border-left:3px solid var(--accent);border-radius:4px}
.result-order-cta strong,.directory-order-cta strong{font-size:14px;color:var(--ink)}
.result-order-cta p,.directory-order-cta p{margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.5}
.result-order-cta .primary-button,.directory-order-cta .primary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:9px 14px;border-radius:6px;background:var(--accent);color:white;text-decoration:none;font-size:13px;font-weight:600;white-space:nowrap}
.result-order-cta .primary-button:hover,.directory-order-cta .primary-button:hover{filter:brightness(.92)}
.result-table{margin-top:18px;font-size:14px;line-height:1.5;border-top:1px solid #d2e0e3}
.result-table .result-row{display:grid;grid-template-columns:1fr auto;gap:10px;padding:12px 0;border-bottom:1px solid #d2e0e3}
.result-row small{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.result-row strong{font-weight:600;font-variant-numeric:tabular-nums}
.result-constraint{font-size:14px;background:#e4eff1;border-left:3px solid var(--accent);padding:11px 13px;margin:16px 0}
.result-constraint.conflict{background:#fff1e8;border-color:#a04424;color:#84391e}
.result-details{font-size:14px;color:var(--muted);margin-top:16px}
.result-details summary{cursor:pointer;padding:5px 0}
.result-details ul{padding-left:18px;line-height:1.6}
.result-details li+li{margin-top:7px}
.reference{border-top:1px solid var(--line);margin-top:28px}
.reference>summary{padding:17px 0;font-size:14px;cursor:pointer;color:var(--ink)}
.reference>summary>span{float:right;font-size:13px;color:var(--muted)}
.reference-body{padding:0 0 20px;max-width:780px}
.reference-basis{font-size:14px;color:var(--muted)}
.content-section{padding:16px 0;color:#43515a}
.content-section h2{font-size:21px;color:var(--ink);margin:0 0 10px;letter-spacing:-.02em}
.content-section h3{font-size:17px;color:var(--ink)}
.content-section p{font-size:15px;line-height:1.7}
.formula{font:14px/1.6 ui-monospace,SFMono-Regular,monospace;padding:16px;background:#eaf1f2;border-radius:8px;overflow:auto}
.faq details{border-top:1px solid var(--line);padding:14px 0;font-size:15px}
.faq summary{cursor:pointer}
.tool-footer{display:flex;justify-content:space-between;gap:15px;font-size:13px;color:var(--muted);margin-top:30px}
.tool-footer a{color:var(--muted)}
.directory-list{margin-top:28px;border-top:1px solid var(--line)}
.directory-item{display:grid;grid-template-columns:54px 1fr auto 22px;gap:20px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.directory-item:hover h2{color:var(--accent)}
.directory-icon{display:grid;place-items:center;width:50px;height:50px;border-radius:8px;background:var(--accent-soft);color:var(--accent)}
.directory-icon svg{width:25px;height:25px}
.directory-item h2{font-size:19px;margin:0 0 5px;font-weight:620;letter-spacing:-.02em}
.directory-item p{font-size:15px;color:var(--muted);margin:0;max-width:560px}
.directory-item .output-type{font-size:14px;color:var(--muted)}
.directory-arrow{color:var(--accent);font-size:21px;transition:transform .15s}
.directory-item:hover .directory-arrow{transform:translateX(3px)}
.directory-note{font-size:14px;color:var(--muted);margin:22px 0;max-width:740px;line-height:1.7}
body[data-tool=directory] .tool-main{max-width:940px}
.noscript-note{max-width:1128px;margin:12px auto;padding:12px 24px;background:#fff1e8;color:#84391e;border-radius:8px}
@media(max-width:850px){.app-frame{padding:0 22px}
.workspace{grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr);gap:18px}
.controls{padding-left:20px;padding-right:20px}
.readout{padding:20px}
.result-value,.blank-value{font-size:48px}}
@media(max-width:900px){.topbar{height:auto}
.topbar-inner{padding:12px 18px;gap:10px;align-items:flex-start;flex-direction:column}
.brand-line{min-height:36px;flex-wrap:wrap;gap:12px}
.global-nav{width:100%;justify-content:flex-start;gap:2px}
.brand{font-size:14px}
.product-name{padding-left:16px;font-size:13px}
.edition{display:none}
.app-frame{display:block;padding:0 18px}
.tool-nav{padding:14px 0 4px}
.tool-main{padding-top:21px}
.tool-heading{display:block}
.tool-heading h1{font-size:26px}
.tool-heading p{font-size:15px}
.tool-actions{gap:6px;margin:12px 0 8px;flex-wrap:wrap}
.tool-actions button,.mobile-result-link{padding:7px 10px;font-size:13px;min-height:44px}
.mobile-result-link{display:inline-flex;align-items:center}
.example-notice{margin-bottom:12px}
.workspace{display:flex;flex-direction:column;gap:16px}
.controls{width:100%;padding:0 17px 15px}
.readout{width:100%;order:0;padding:18px;position:static;box-shadow:none}
.readout-top{font-size:12px}
.result-value,.blank-value{font-size:46px;margin:11px 0 3px}
.result-unit{font-size:18px}
.result-sub{font-size:14px;margin-bottom:5px}
.result-equation{font-size:12px;padding-top:13px;margin-top:15px}
.result-scope{font-size:13px}
.readout-actions{padding-top:14px}
.readout-note{display:block}
.result-breakdown{margin-top:12px;font-size:13px;color:var(--muted)}
.result-breakdown>summary{display:list-item;cursor:pointer}
.result-table{margin-top:14px}
.result-table .result-row{padding:9px 0}
.result-details{margin-top:10px}
.control-top{min-height:72px}
.control-top select{max-width:67%;font-size:14px}
.input-section{padding:17px 0 14px}
.parameter>label,.material-pair label{font-size:15px}
.numeric input{font-size:16px}
.field-grid{gap:14px 12px}
.material-pair{grid-template-columns:1fr 1fr}
.material-pair .full-field{grid-column:1/-1}
.material-pair select,.field-grid select{font-size:14px}
.extra-conditions{font-size:14px}
.reference{margin-top:24px}
.reference>summary>span{display:none}
.directory-list{margin-top:22px}
.directory-item{grid-template-columns:44px 1fr 18px;gap:13px;padding:20px 0}
.directory-icon{width:42px;height:42px}
.directory-item h2{font-size:18px}
.directory-item p{font-size:14px}
.directory-item .output-type{grid-column:2;margin-top:-4px}
.directory-arrow{grid-column:3;grid-row:1}
.tool-footer{margin-top:25px;font-size:12px}}
@media(max-width:380px){.app-frame{padding:0 12px}
.field-grid{gap:12px 8px}
.controls{padding-left:14px;padding-right:14px}
.parameter>label{font-size:14px}
.numeric>span{min-width:48px}
.numeric select{min-width:82px;padding:0 6px}
.result-value,.blank-value{font-size:42px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Result states and validation feedback */
.parameter .field-error{font-size:13px;color:#84391e;line-height:1.45}
.parameter:has(input[aria-invalid=true]) .numeric input,.parameter:has(select[aria-invalid=true]) select{border-color:#a04424;background:#fff8f5}
.readout[data-state="error"],.readout[data-state="conflict"]{border-color:#a04424}
.readout[data-state="error"] .readout-top,.readout[data-state="conflict"] .readout-top{color:#84391e}
.temperature-status{font-size:14px;color:var(--muted);margin:5px 0 12px}
.result-table .result-row{grid-template-columns:minmax(0,1fr) auto}
.result-number{white-space:nowrap;font-variant-numeric:tabular-nums}
@media(max-width:760px){.result-breakdown>summary{display:list-item;cursor:pointer}
.result-breakdown:not([open]) .result-table{display:none}}

/* Numeric readouts wrap by value and unit rather than clipping long results. */
.result-value{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px}
.result-number{white-space:normal;overflow-wrap:anywhere;min-width:0}
.result-unit{margin-left:0}
.result-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.material-pair label{display:block;margin-bottom:7px}
.parameter .field-error{margin:0}
@media(max-width:520px){.material-pair{grid-template-columns:1fr}.temp-row{grid-column:1/-1}.extra-grid{grid-template-columns:1fr}.control-top{align-items:stretch;flex-direction:column;gap:8px;padding:15px 0}.control-top select{max-width:100%;width:100%}.section-kicker{display:none}}
@media(max-width:359px){.field-grid{grid-template-columns:1fr}.parameter>label{font-size:15px}}
@media print{.tool-actions,.tool-nav,.readout-actions,.example-notice{display:none}.workspace{display:block}.readout{break-inside:avoid;margin-top:20px}.result-breakdown>summary{display:list-item}.controls{break-inside:avoid}}

.numeric select{width:auto;flex:0 0 auto;max-width:50%}
.readout-actions{flex-wrap:wrap}
.readout-top{flex-wrap:wrap}

.readout:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
input[aria-invalid=true]{border-color:#a04424;background:#fff8f5}
.field-error{font-size:13px;color:#84391e;line-height:1.45;margin:6px 0 0}

.parameter>.micro{margin:0;font-size:13px}
@media(max-width:520px){body[data-tool=preheat] .field-grid{grid-template-columns:1fr}}
/* Allow navigation and numeric fields to grow with enlarged user text. */
.topbar{height:auto;min-height:64px}
.topbar-inner{height:auto;min-height:64px;flex-wrap:wrap;padding-block:12px}
.numeric{height:auto;min-height:46px}
.numeric input,.numeric select{height:auto;min-height:46px}
.numeric select{width:7.5em;min-width:7.5em;max-width:none}
.extra-inner input{height:auto;min-height:44px}
.field-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,max(calc((100% - 18px)/2),9em)),1fr))}
@media(max-width:520px){body[data-tool=preheat] .field-grid{grid-template-columns:1fr}}
@media(max-width:359px){.field-grid{grid-template-columns:1fr}}
/* Shared procedure, selection and range workbenches. */
.optional-label{font-size:12px;font-weight:400;color:var(--muted);margin-left:5px}
.workflow-headline{font-size:24px;line-height:1.25;letter-spacing:-.4px;margin:0 0 12px;overflow-wrap:anywhere}
.workflow-summary{font-size:15px;line-height:1.65;margin:0 0 20px}
.assessment-list{border-top:1px solid var(--border)}
.assessment-row{display:grid;grid-template-columns:1fr;gap:5px;padding:14px 0;border-bottom:1px solid var(--border)}
.assessment-label{font-size:12px;font-weight:600;color:var(--muted)}
.assessment-value{font-size:15px;line-height:1.45;overflow-wrap:anywhere}
.assessment-detail{font-size:13px;line-height:1.6;margin:0;color:var(--muted)}
.assessment-row[data-status=fail] .assessment-value{color:#84391e}
.assessment-row[data-status=unknown] .assessment-value{color:#735216}
.result-details{margin-top:18px;font-size:13px;line-height:1.6}
.result-details summary{cursor:pointer;font-weight:600}.result-details ul{padding-left:18px}
.result-scope{font-size:12px;line-height:1.6;color:var(--muted);margin:18px 0 0}
.candidate-area{margin:30px 0}.candidate-area>h2{font-size:21px;margin-bottom:8px}
.joint-candidate{border-top:1px solid var(--border);padding:16px 0;font-size:14px;line-height:1.6}
.joint-candidate:last-child{border-bottom:1px solid var(--border)}
.joint-candidate summary{cursor:pointer}.joint-candidate summary span{display:block;color:var(--muted);font-size:13px;margin:5px 0 0 17px}
.candidate-facts{display:grid;grid-template-columns:160px 1fr;gap:8px 18px;margin:20px 0}.candidate-facts dt{font-weight:600}.candidate-facts dd{margin:0;overflow-wrap:anywhere}.joint-candidate ul{padding-left:18px}
.candidate-jump{display:inline-block;margin-top:14px;font-size:14px;font-weight:600}
.directory-entry{border-color:var(--line)}.directory-entry:last-child{border-color:var(--line)}
/* Share label/control/help tracks so wrapped labels cannot offset paired controls. */
.field-grid>.parameter{display:grid;grid-template-rows:subgrid;grid-row:span 3;gap:7px;align-items:start}
.field-grid>.parameter>label{align-self:end}
.field-grid>.parameter>.numeric,.field-grid>.parameter>select{align-self:start}
.numeric>input:only-child{border-right:1px solid var(--border);border-radius:8px}
.section-help{font-size:13px;line-height:1.6;color:var(--muted);margin:0 0 18px;max-width:65ch}
.reuse-tools{margin:-2px 0 20px;font-size:13px;line-height:1.6;color:var(--muted)}
.reuse-tools>summary{cursor:pointer;width:fit-content;color:var(--accent);font-weight:600;padding:4px 0}
.reuse-inner{padding:8px 0 4px}.reuse-inner>p{margin:0 0 10px;max-width:75ch}
.reuse-actions{display:flex;flex-wrap:wrap;gap:8px}.reuse-actions button{padding:7px 11px;background:white;border:1px solid var(--border);border-radius:5px;font-size:13px;color:var(--ink)}
.reuse-status{display:block;margin-top:8px}.related-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;font-size:14px}
@media print{.reuse-tools,.related-actions,.candidate-jump{display:none}.candidate-area details:not([open]){display:none}.readout{background:white}.result-details{display:block}}
.optional-section>summary{cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);padding:3px 0}
.optional-section[open]>summary{margin-bottom:18px}.parameter datalist{display:none}
@media print{.optional-section>summary{font-weight:600}}
.field-assist .micro{font-size:13px;line-height:1.6;margin:0;color:var(--muted)}
.field-shortcut{font-size:13px;color:var(--accent);border:0;background:transparent;padding:2px 0;text-decoration:underline;text-underline-offset:3px}
@media(max-width:520px){.result-order-cta,.directory-order-cta{align-items:flex-start;flex-direction:column;gap:12px}.result-order-cta .primary-button,.directory-order-cta .primary-button{align-self:flex-start}}

/* Free tool navigation */
.directory-frame{display:block;max-width:1020px}.directory-page .tool-main{max-width:none}
.tool-list>summary{cursor:pointer;color:var(--ink);font-size:14px;font-weight:650;list-style:none}
.tool-list>summary::-webkit-details-marker{display:none}
.tool-list>summary span{float:right;color:var(--muted)}
@media(max-width:900px){.tool-list{border:1px solid var(--line);border-radius:7px;padding:0;background:white}.all-tools-link{display:inline-flex;margin:0 0 10px;min-height:38px}.tool-list>summary{display:block;padding:10px 12px}.tool-list[open]>summary{border-bottom:1px solid var(--line)}.tool-link-list{display:none;padding:12px}.tool-list[open] .tool-link-list{display:block}.tool-link-group{margin-bottom:12px}.tool-link-group h2{font-size:11px}.tool-link{padding:9px 8px;font-size:14px}}
@media(min-width:901px){.tool-list>summary{display:none}.tool-list>.tool-link-list,.tool-list:not([open])>.tool-link-list{display:block}}
@media(max-width:520px){.brand-line .product-name{display:none}.global-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;width:100%}.global-nav a{justify-content:center}.global-nav .global-order{gap:6px}}
@media print{.app-frame{display:block;max-width:none}.global-nav{display:none}}

/* The directory is the tool navigation; each card is one complete link. */
.directory-page .tool-main{padding-top:40px}
.directory-page .tool-heading{margin-bottom:10px}
.directory-basis{margin:12px 0 28px;color:var(--muted);font-size:13px;line-height:1.65}
.tool-directory{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.directory-entry{display:flex;flex-direction:column;min-width:0;min-height:225px;padding:23px 22px 18px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s}
.directory-entry:hover{border-color:#9eb9bf;box-shadow:0 8px 20px #1e465210;transform:translateY(-2px)}
.directory-entry:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.directory-category{color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase}
.directory-entry h2{margin:14px 0 8px;font-size:20px;line-height:1.28;letter-spacing:-.015em}
.directory-entry p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
.directory-meta{display:flex;justify-content:space-between;gap:12px;margin-top:auto;padding-top:20px;color:var(--accent);font-size:12px;font-weight:650;line-height:1.4}
.directory-meta span{font-size:17px;line-height:1}
.directory-note{margin:26px 0 0;color:var(--muted);font-size:13px;line-height:1.65}
@media(max-width:800px){.tool-directory{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.directory-page .tool-main{padding-top:28px}.tool-directory{grid-template-columns:minmax(0,1fr)}.directory-entry{min-height:0;padding:20px}.directory-meta{padding-top:16px}}
@media(prefers-reduced-motion:reduce){.directory-entry{transition:none}.directory-entry:hover{transform:none}}