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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Complete guide content in the accepted modern design. */
[hidden]{display:none!important}.arrow{vertical-align:middle;flex-shrink:0}.small-label{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600}.text-link{display:inline-flex;align-items:center;gap:10px;color:var(--purple);font-size:15px;font-weight:600;text-decoration:none;min-height:44px}.text-link:hover{text-decoration:underline}.hero-copy h1{font-size:clamp(52px,5.6vw,76px)}.article-hero h1{max-width:1000px;font-size:clamp(44px,5.2vw,66px);line-height:1.04}.article-deck{max-width:820px}.article-toc{margin-top:0}.article-toc a[aria-current]{color:var(--purple);font-weight:600}.reading-section>p,.reading-section>ol,.reading-section>ul{margin-top:18px}.reading-section h3{margin-bottom:9px}.reading-section a:not(.text-link){color:var(--purple)}.table-scroll{max-width:100%;overflow-x:auto;margin:24px 0;background:#fff;border-radius:7px;overscroll-behavior-x:contain}.table-scroll table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;min-width:550px}.table-scroll caption{text-align:left;padding:18px 20px;font-size:12px;color:var(--muted)}th,td{padding:16px 18px;text-align:left;vertical-align:top}thead{background:#eae5f3;color:#4a3a63}tbody tr+tr{border-top:1px solid #eeeaf4}tbody th{font-weight:600;min-width:135px}td .text-link{font-size:14px;min-width:110px}.note{padding:22px 25px;background:var(--soft);border-radius:6px;margin:24px 0}.note p{margin-top:9px}.steps{list-style:none;padding:0;margin:25px 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.steps li{background:#fff;padding:22px;border-radius:6px}.steps span{color:var(--purple);font-family:var(--display);font-size:27px;display:block;margin-bottom:12px}.steps h3{font-size:18px}.steps p{font-size:15px;color:var(--muted)}.card-explainer{display:grid;grid-template-columns:190px minmax(0,1fr);gap:26px;margin:25px 0;align-items:start}.card-explainer figure img{width:100%;border-radius:10px}.card-explainer figure>a{display:block;border-radius:10px}.card-explainer figcaption{font-size:11px;color:var(--muted);margin-top:12px;line-height:1.6}.card-explainer figcaption a{display:inline-block;min-height:24px}.card-copy h3{font-size:23px;margin:14px 0}.card-copy p{font-size:16px;color:var(--muted)}.errata-label{font-size:11px;color:var(--purple);font-weight:600}.result-list{padding:0;list-style:none;margin:20px 0}.result-list li{font-size:15px;color:var(--muted);margin:16px 0}.result-list strong{display:block;color:var(--ink);font-weight:600;margin-bottom:4px}.comparison,.date-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}.comparison>div,.date-pair>div{background:#fff;border-radius:7px;padding:23px}.comparison>div:last-child{background:var(--soft)}.comparison h3{font-size:20px;margin:10px 0}.comparison p{font-size:16px;color:var(--muted)}.date-pair strong{display:block;font-family:var(--display);font-size:38px;margin-top:15px;line-height:1.1}.date-pair strong span{display:block;color:var(--purple);font-size:26px;margin-top:8px}.reading-list{padding-left:22px}.reading-list li{margin:12px 0;padding-left:4px}.faq-list{display:grid;gap:10px}.faq-list details{padding:0 22px;background:#fff;border-radius:6px}.faq-list summary{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-weight:600;cursor:pointer;list-style:none;padding:16px 0;line-height:1.4}.faq-list summary::-webkit-details-marker{display:none}.faq-list details[open] summary svg{transform:rotate(180deg)}.faq-answer{padding-bottom:22px;color:var(--muted)}.faq-answer a{color:var(--purple)}.shopping-section{margin-top:45px;background:#ede9f4;padding:26px;border-radius:7px}.shopping-section h2{font-size:34px;margin:8px 0 16px}.shopping-intro,.shopping-footnote{font-size:14px;color:var(--muted)}.shopping-grid{display:grid;gap:22px;margin-top:24px}.shopping-item h3{font-size:20px;margin:7px 0}.shopping-item>p,.buying-details{font-size:16px}.buying-checklist summary{min-height:48px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;color:var(--purple);font-size:14px;font-weight:600;list-style:none}.buying-checklist summary::-webkit-details-marker{display:none}.buying-details{padding:6px 0 16px;color:var(--muted)}.shopping-footnote{margin-top:22px}.article-sources .source-list{margin-top:22px}.page-feedback{margin:40px 0;padding:24px;background:#fff;border-radius:7px}.page-feedback h2{font-family:var(--body);font-size:20px;line-height:1.3;margin-bottom:10px}.page-feedback p{font-size:14px;color:var(--muted)}.feedback-controls{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.feedback-controls button{min-height:44px;border:1px solid #d9cdeb;border-radius:5px;padding:10px 16px;background:var(--soft);font-size:14px;font-weight:600}.feedback-controls button[aria-pressed=true]{background:var(--purple);color:white}.feedback-status{margin-top:12px}.related-guides{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}.related-guides>a{padding:22px;background:#fff;border-radius:6px;text-decoration:none}.related-guides h3{display:flex;align-items:center;justify-content:space-between;gap:10px;font-family:var(--display);font-size:29px;margin:10px 0}.related-guides p{font-size:15px;color:var(--muted)}.about-page,.not-found{padding-top:40px;padding-bottom:60px}.about-page .breadcrumb{color:var(--muted)}.about-page>h1,.not-found h1{font-size:60px;margin:20px 0}.about-page .article-deck{color:var(--muted)}.about-content{max-width:780px;margin-top:40px}.about-content section{margin:32px 0}.about-content h2{font-size:34px;margin-bottom:17px}.not-found .button{margin-top:20px;background:var(--purple);color:#fff}.event-viewer h1{font-size:45px;line-height:1.2}.event-viewer h2{font-family:var(--body);font-size:23px}.article-body{min-width:0}.footer a{min-height:44px}.hero-copy,.feature-caption>div{min-width:0}
@media(max-width:1050px){.hero-copy h1{font-size:62px}.card-explainer{grid-template-columns:145px minmax(0,1fr);gap:20px}.steps{grid-template-columns:1fr}.steps li{padding:20px}.steps span{float:left;margin-right:18px}.steps p{margin-left:46px}}
@media(max-width:760px){.hero-copy h1{font-size:56px}.article-hero h1{font-size:48px;overflow-wrap:break-word}.article-deck{max-width:none}.article-layout{padding-top:22px}.mobile-toc{margin-bottom:26px}.card-explainer{grid-template-columns:116px minmax(0,1fr);gap:18px}.card-copy h3{font-size:21px;margin-top:10px}.card-copy p,.result-list li{font-size:15px}.card-explainer figcaption{font-size:10px}.comparison{grid-template-columns:1fr}.date-pair{gap:10px}.date-pair>div{padding:18px}.date-pair strong{font-size:32px}.shopping-section{padding:22px;margin-top:33px}.related-guides{grid-template-columns:1fr;gap:10px}.source-list a{overflow-wrap:anywhere}.about-page>h1,.not-found h1{font-size:46px}.page-feedback{margin-top:28px}.faq-list details{padding:0 18px}.faq-list summary{font-size:16px}.article-toc a{min-height:44px}}
@media(max-width:370px){.hero-copy h1{font-size:48px}.article-hero h1{font-size:42px}.card-explainer{grid-template-columns:108px minmax(0,1fr);gap:14px}.date-pair{grid-template-columns:1fr}.card-copy h3{font-size:19px}.short-answer h2{font-size:30px}}
@media(max-width:760px){.card-explainer{grid-template-columns:1fr;gap:22px}.card-explainer figure{display:flex;align-items:center;gap:16px;padding:14px;background:#fff;border-radius:7px}.card-explainer figure>a{width:64px;flex-shrink:0}.card-explainer figcaption{font-size:12px;margin:0;max-width:260px}.card-copy h3{font-size:23px}.card-copy p,.result-list li{font-size:16px}}

/* Versioned examples retain table semantics; small screens read one case at a time. */
.cell-label{display:none}
.home-version{padding-bottom:12px}.home-version .version-note{margin-top:0;max-width:900px}
.version-note p{font-size:16px;line-height:1.65}.version-note a{font-size:14px}
.update-list .text-link{font-size:15px;margin-top:10px}
.home-questions>.caption{margin-top:25px;max-width:760px}
.identity-line{flex-wrap:wrap;gap:14px}
@media(max-width:760px){
 .table-scroll{overflow:visible;border:0;background:transparent}
 .table-scroll table{min-width:0;width:100%;display:block}
 .table-scroll caption{display:block;text-align:left;padding:0 0 16px}
 .table-scroll thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
 .table-scroll tbody{display:grid;gap:12px}
 .table-scroll tr{display:block;background:#fff;padding:18px;border-radius:6px}
 .table-scroll th[scope=row],.table-scroll td{display:block;width:auto;padding:0;border:0;background:transparent;overflow-wrap:anywhere}
 .table-scroll th[scope=row]{font-size:17px;margin-bottom:16px}
 .table-scroll td+td{margin-top:14px}
 .cell-label{display:block;font-size:12px;color:var(--purple);font-weight:600;line-height:1.4;margin-bottom:4px}
 .version-note{padding:20px}.home-version{padding-top:0}
 .version-note a{display:inline-block;line-height:1.7;padding:7px 0}
 .faq-list summary svg{flex-shrink:0}
}

/* Fast lookup: questions first, background on demand. */
.question-directory{grid-template-columns:1fr 1fr;gap:12px}.question-link{display:grid;grid-template-columns:1fr auto;gap:5px 18px;padding:21px 24px;background:#fff;border-radius:7px;text-decoration:none}.question-link .topic-label{grid-column:1/-1}.question-link h3{font-size:20px;margin:0}.question-link>span:last-child{color:var(--purple)}.question-link:hover{background:var(--soft)}
.quick-questions{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}.quick-questions a{display:flex;align-items:center;min-height:44px;padding:9px 13px;border-radius:5px;background:#fff;color:var(--purple);font-size:14px;font-weight:600;text-decoration:none}.quick-questions a:hover{background:var(--soft)}
.reading-details{background:#fff;border-radius:6px;padding:0 20px}.reading-details>summary{padding:15px 0;min-height:52px;cursor:pointer;line-height:1.4;font-weight:600}.reading-details>summary h2{display:inline;font:600 19px/1.4 var(--body);margin:0}.reading-details>div{padding:2px 0 20px}.reading-details>div>p+p{margin-top:14px}.reading-details .reading-details{background:var(--soft);margin:16px 0}.folded-section{margin-top:14px}.version-status{font-size:15px;line-height:1.6;margin:18px 0}.home-version{padding-bottom:35px}.toc-utilities{display:flex;flex-direction:column;margin-top:15px}.toc-utilities a{font-size:13px;color:var(--muted)}
.color-panel[hidden]{display:none}.color-panel .identity-line{display:block;font:600 16px/1.5 var(--body);padding:14px 0;margin:8px 0}.example-row{grid-template-columns:minmax(0,1fr) auto;align-items:start}.example-row h3{margin:0;font-size:18px}.example-row .result-reason{grid-column:1/-1;font-size:15px;line-height:1.6}.result{white-space:nowrap}.color-status{font-size:14px;margin-top:15px;color:var(--muted)}
.stamp-reference{margin:24px 0;background:#fff;padding:24px;border-radius:7px}.stamp-visual{display:grid;grid-template-columns:190px minmax(0,1fr);align-items:center;gap:30px;max-width:530px}.stamp-card>a{display:block}.stamp-card img{width:100%;height:auto}.stamp-pointer{display:block;text-align:center;color:var(--purple);font-size:14px;font-weight:600;padding-top:5px}.stamp-closeup img{width:110px;height:110px;object-fit:contain;margin-bottom:14px}.stamp-closeup strong{display:block;font-size:18px}.stamp-closeup p{font-size:15px;color:var(--muted);margin-top:8px}.stamp-reference figcaption{font-size:13px;color:var(--muted);line-height:1.6;margin-top:20px}
.quick-facts{list-style:none;display:grid;gap:10px;padding:0}.quick-facts li{background:#fff;padding:14px 18px;border-radius:6px}.quick-facts span{display:block;font-size:15px;color:var(--muted)}.shopping-section{padding:0 20px;margin-top:20px}.shopping-disclosure>summary{min-height:56px;padding:14px 0;cursor:pointer}.shopping-disclosure>summary h2{display:inline;font:600 18px/1.4 var(--body);margin:0}.shopping-disclosure>.shopping-footnote{padding-bottom:20px}
@media(max-width:760px){
 html{scroll-padding-top:70px}.hero{padding:20px 0 26px}.hero-grid{display:block}.hero .feature{display:none}.hero-copy h1{font-size:40px;line-height:1.04;margin:12px 0 14px}.hero-description{font-size:17px}.hero .button-light{margin-top:18px}.hero-meta{margin-top:14px}
 .guides-section{padding-top:26px;padding-bottom:30px}.section-heading{margin-bottom:17px}.section-heading h2{font-size:30px}.question-directory{grid-template-columns:1fr;gap:9px}.question-link{padding:14px 17px;gap:3px 12px}.question-link h3{font-size:17px}.question-link .topic-label{font-size:10px}
 .article-hero{padding:8px 0 22px}.article-hero .breadcrumb{margin-bottom:14px}.article-hero h1{font-size:34px;line-height:1.08;margin:10px 0 14px}.article-hero .eyebrow{font-size:11px}.article-layout{padding-top:14px}
 .mobile-toc{position:sticky;top:0;z-index:20;margin:0 0 14px;background:#eee9f8;box-shadow:0 4px 10px #2116350c;border-radius:6px}.mobile-toc>summary{min-height:50px}.mobile-toc>nav{max-height:60dvh;overflow-y:auto;overscroll-behavior:contain}.mobile-toc a{min-height:44px;line-height:1.35;padding:11px 0}
 .quick-questions{gap:6px;margin-bottom:16px}.quick-questions a{font-size:13px;padding:8px 11px}.short-answer{padding:20px}.short-answer h2{font-size:28px;line-height:1.15;margin:9px 0 13px}.short-answer>p:not(.eyebrow){font-size:16px}.short-answer .inline-link{margin-top:10px}
 .reading-section{margin-top:30px}.reading-section h2{font-size:29px;line-height:1.12}.folded-section{margin-top:12px}.reading-details{padding:0 17px}.reading-details>summary h2{font-size:17px;line-height:1.4}.color-example{padding:16px}.example-row{padding:16px 0}.example-row h3{font-size:17px}.result{font-size:11px}
 .stamp-reference{padding:17px}.stamp-visual{grid-template-columns:128px minmax(0,1fr);gap:18px}.stamp-closeup img{width:88px;height:88px}.stamp-closeup strong{font-size:16px}.stamp-closeup p{font-size:14px}.stamp-pointer{font-size:12px}.stamp-reference figcaption{font-size:12px}.article-sources{margin-top:24px}.article-sources .source-list a{padding:12px}.related-guides h3{font-size:25px}.table-scroll tbody tr+tr{border:0}
}
@media(max-width:370px){.hero-copy h1{font-size:36px}.article-hero h1{font-size:31px}.stamp-visual{grid-template-columns:112px minmax(0,1fr);gap:12px}.stamp-closeup img{width:72px;height:72px}.example-row{grid-template-columns:1fr}.example-row .result{justify-self:start}.example-row .result-reason{grid-column:1}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}

/* Optional analytics choices: equal choices, compact mobile layout, no modal lock. */
.cookie-settings {display:block;margin-top:.65rem;padding:0;border:0;background:none;color:inherit;text-decoration:underline;font:inherit;cursor:pointer}
.consent-panel {position:fixed;z-index:100;bottom:16px;right:16px;width:min(420px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:20px;background:#fff;color:#211635;border:1px solid #ddd5e8;border-radius:12px;box-shadow:0 5px 24px #21163522;font-size:14px;line-height:1.5}
.consent-panel strong {font-size:17px}.consent-panel p {margin:8px 0}.consent-panel a {color:#653ba1;text-decoration:underline}.consent-actions {display:flex;gap:10px;margin-top:14px}.consent-actions button {flex:1;min-height:44px;padding:9px 12px;border:1px solid #653ba1;border-radius:7px;background:#f6f2fa;color:#47256e;font:inherit;font-weight:600;cursor:pointer}.consent-actions button:hover {background:#ece2f6}.consent-actions button:focus-visible,.cookie-settings:focus-visible {outline:3px solid #ab8cd4;outline-offset:3px}

.qa-indicator{margin:0;padding:8px 16px;background:#f3e9ff;color:#47256e;font-size:13px;text-align:center}