/* Complete feature guides in the Better UIX visual language. */
.personalization-hero{padding:58px 0 34px}
.personalization-hero-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:68px;align-items:center}
.personalization-hero h1{font-size:clamp(40px,4.6vw,64px)}
.personalization-hero .lede{max-width:670px;font-size:20px}
.personalization-hero .hero-description{max-width:670px;font-size:17px;line-height:1.75}
.personalization-hero .feature-definition{font-size:14px;margin:16px 0;color:var(--muted)}
.personalization-hero .feature-definition strong{color:var(--accent)}
.personalization-hero .guide-quote{margin:0 0 22px;color:var(--accent);font:italic 22px Georgia,serif}
.personalization-art{width:100%;max-width:365px;margin-inline:auto}
.personalization-art>img{width:100%;height:auto}
.personalization-art>img{border-radius:22px}
/* Let the warm paper background merge into the light canvas; artwork only. */
:root[data-theme=light] .guide-arc-page .personalization-art>img{filter:brightness(1.035);mix-blend-mode:darken}
.personalization-art figcaption{text-align:center;font-size:12px}
.personalization-art .preference-visual{position:relative;aspect-ratio:1.25;overflow:hidden;border-radius:20px;background:var(--surface);box-shadow:var(--shadow)}
.personalization-art .preference-background{width:100%;height:100%;object-fit:cover}
.personalization-art .preference-interface{position:absolute;left:37%;bottom:5%;width:58%;border-radius:8px;box-shadow:0 9px 24px #0004;overflow:hidden}
.personalization-art .screenshot-crop,.self-contained-guide .screenshot-crop{position:relative;overflow:hidden;border-radius:12px}
.personalization-art .screenshot-crop img,.self-contained-guide .screenshot-crop img{position:absolute;max-width:none}
.guide-local-search{margin-top:30px;max-width:590px}
.guide-local-search label{font-size:13px;margin-bottom:7px}
.guide-local-search .doc-search-bar{display:flex;gap:8px;align-items:center}
.guide-local-search input{min-width:0;flex:1;margin:0;background:var(--surface);border:1px solid var(--control-line);padding:11px 14px;border-radius:10px;font-size:14px;color:var(--ink)}
.guide-local-search button{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;padding:10px 14px;font-size:13px;min-height:44px}
.guide-local-search button:hover{background:var(--subtle)}
.doc-search-status{font-size:13px;margin:8px 0 0}
.guide-local-search [data-search-results]{padding:0;list-style:none}
.guide-local-search [data-search-broader]{font-size:14px}
.guide-contents{padding:0;background:transparent;border:0;margin:30px 0 0}
.guide-contents>summary{font-size:14px;padding:12px 0;min-height:44px;color:var(--muted)}
.guide-contents nav{display:flex;flex-wrap:wrap;gap:8px 28px;padding:8px 0 4px}
.guide-contents a{font-size:14px;min-height:40px;display:inline-flex;align-items:center}
.self-contained-guide{padding:64px 0}
.eq-page .self-contained-guide.guide-band-alt{background:var(--section-alt)}
.eq-page .self-contained-guide.guide-band-base{background:var(--canvas)}
:root[data-theme=dark] .eq-page .self-contained-guide.guide-band-alt .eq-guide-body{background:var(--canvas)}
:root[data-theme=dark] .eq-page .self-contained-guide.guide-band-base .eq-guide-body{background:var(--surface)}
.guide-group-intro{max-width:800px;margin:-8px 0 28px;color:var(--muted)}
.self-contained-guide .container{max-width:1120px}
.guide-topics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:stretch}
.guide-topic{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:32px;min-width:0}
:root[data-theme=dark] .self-contained-guide:nth-of-type(even) :is(.guide-topic,.eq-guide-body){background:var(--canvas)}
.guide-topic-illustrated{grid-column:1/-1}
.guide-topics-three{grid-template-columns:repeat(3,minmax(0,1fr))}
.guide-topics-three>.guide-topic{padding:28px}
.guide-topics-three>.guide-topic>h3{font-size:24px}
.guide-topic-endnote{display:flex;flex-direction:column}
.guide-topic-endnote>.guide-deep-dive{margin-top:auto}
.guide-topic>h3{font-size:27px}
.guide-topic>h4,.eq-guide-body h4,.eq-guide-body h5{font-size:21px;line-height:1.35;letter-spacing:-.02em;margin:28px 0 18px}
.self-contained-guide :is(p,li){font-size:16px;line-height:1.75}
.guide-topic p:last-child{margin-bottom:0}
.guide-topic>p,.guide-topic>ul,.guide-topic>ol{max-width:920px}
.arc-setting-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px;padding:22px 24px;margin:24px 0 20px;background:var(--subtle);border-radius:14px}
.arc-setting-summary>div{min-width:0}
.arc-setting-summary .setting-wide{grid-column:1/-1}
.arc-setting-summary dt{font-size:12px;font-weight:650;color:var(--accent);margin-bottom:5px;letter-spacing:.02em}
.arc-setting-summary dd{margin:0;color:var(--ink);font-size:15px;line-height:1.7;overflow-wrap:normal}
@media(min-width:761px){
 .setting-summary-compact{grid-template-columns:1fr 1fr 1.4fr;gap:16px 24px}
 .setting-summary-compact>div:nth-child(3){grid-column:auto}
 .setting-summary-compact>div{display:flex;align-items:baseline;gap:9px}
 .setting-summary-compact dt{flex-shrink:0;margin:0}
 .setting-summary-compact>div:last-child{grid-column:1/-1;padding-top:14px;border-top:1px solid var(--line)}
}
.guide-topic .table-wrapper{max-width:100%;margin:24px 0 0}
/* The remaining room-preset comparison has two columns, with room for prose. */
.guide-topic .responsive-table{width:100%;table-layout:auto}
.guide-topic .responsive-table :is(th,td){padding:14px 16px;overflow-wrap:normal;vertical-align:top}
.guide-topic .responsive-table th:first-child{width:28%}
.self-contained-guide li+li{margin-top:10px}
.self-contained-guide .image-fit,.self-contained-guide .image-med-sml,.self-contained-guide .image-small{margin:28px auto;max-width:800px}
.self-contained-guide .image-med-sml{max-width:660px}
.self-contained-guide .image-small{max-width:430px}
.self-contained-guide .image-fit img{width:100%;height:auto}
.self-contained-guide .image-fit.arc-overview{max-width:780px}
.self-contained-guide .image-fit.ear-shoulder-art{max-width:700px}
.ear-shoulder-art img{border-radius:20px}
.self-contained-guide .screenshot-crop{background:var(--canvas);box-shadow:0 10px 26px -10px #0005,0 1px 4px #0002}
:root[data-theme=dark] .self-contained-guide .screenshot-crop{box-shadow:0 10px 30px -8px #0008,0 0 0 1px #ffffff1c}
.self-contained-guide .arc-explanation-diagram{border-radius:16px}
.self-contained-guide .screenshot-crop[role=button],.guide-screenshot-frame{cursor:zoom-in}
.self-contained-guide details.guide-deep-dive{padding:0;margin:24px 0 0;border:1px solid var(--line);border-radius:14px;background:var(--detail-surface,var(--subtle));overflow:hidden}
.self-contained-guide .guide-topic-endnote>.guide-deep-dive{margin-top:auto}
.guide-deep-dive>summary{display:block;position:relative;padding:20px 58px 20px 22px;font-size:17px;font-weight:600;line-height:1.45;cursor:pointer;list-style:none;color:var(--ink)}
.guide-deep-dive>summary::-webkit-details-marker{display:none}
.guide-deep-dive>summary::after{content:'+';position:absolute;right:23px;top:22px;color:var(--accent);font-size:24px;font-weight:400;line-height:1}
.guide-deep-dive[open]>summary::after{content:'−'}
.guide-deep-dive>summary:hover{background:var(--subtle)}
.guide-deep-dive>summary:focus-visible{outline:2px solid var(--accent);outline-offset:-4px;border-radius:14px}
.guide-deep-dive-hint{display:block;margin-top:5px;font-size:13px;font-weight:400;color:var(--muted)}
.guide-deep-dive-body{padding:0 22px 22px}
.guide-deep-dive-body>h4{font-size:19px;margin:24px 0 14px}
.guide-deep-dive-body>:last-child{margin-bottom:0}
.self-contained-guide .text-muted,.self-contained-guide .ui-preview-label{font-size:13px;color:var(--muted)}
.self-contained-guide .ui-preview-label{text-align:center;margin-top:12px}
.self-contained-guide :is(.callout-info,.callout-warning){background:var(--detail-surface,var(--subtle));padding:20px 24px;border-radius:14px;margin:24px 0}
.self-contained-guide :is(.callout-info,.callout-warning)>:last-child{margin-bottom:0}
.eq-introduction{padding:24px 0!important;background:var(--canvas)!important}
.eq-introduction p{max-width:900px;font-size:16px;margin:0}
.eq-guide-body{background:var(--surface);padding:36px 40px;border:1px solid var(--line);border-radius:22px}
.eq-guide-body>p,.eq-guide-body>ul{max-width:980px}
.eq-format-example,.eq-filter-reference{padding:26px;background:var(--subtle);border-radius:16px;margin:24px 0}
.eq-format-example>h3,.eq-filter-reference>h3{font-size:22px}
.filter-recipe{max-width:650px;margin:22px 0;background:var(--canvas);border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.recipe-caption{display:flex;justify-content:space-between;gap:16px;padding:13px 18px;font-size:12px;color:var(--muted);background:var(--surface)}
.filter-recipe pre{overflow:auto;margin:0;padding:22px;font-size:16px;line-height:1.7;color:var(--ink)}
.recipe-header{color:var(--accent)}
.filter-types dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.filter-types dl>div{padding:12px 0;border-bottom:1px solid var(--line)}
.filter-types dt{color:var(--accent);font-family:monospace;font-size:15px;font-weight:650}
.filter-types dd{margin:6px 0 0;color:var(--muted);font-size:14px}
/* Preserve the existing, theme-correct screenshot and illustration enlargement. */
.zoom-overlay{position:fixed;inset:0;z-index:1200;background:#000d;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;cursor:zoom-out}
.zoom-overlay>img{max-width:94vw;max-height:84vh;object-fit:contain;border-radius:12px}
.zoom-crop{position:relative;overflow:hidden;flex-shrink:0;border-radius:12px}
.zoom-crop img{position:absolute;max-width:none}
.zoom-overlay__hint{color:#eee;font-size:13px;margin:16px 0 0}
.screenshot-highlight{position:absolute;border:2px solid #e0b65c;border-radius:5px;background:#ffd4720d;box-shadow:0 0 0 1px #3b2e1380;pointer-events:none}
@media(max-width:900px){
 .personalization-hero-grid{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:32px}
 .guide-topics{grid-template-columns:1fr}
 .guide-topic{padding:28px}
}
@media(max-width:760px){
 html:has(.guide-jumpbar){scroll-padding-top:142px}
 .guide-jumpbar{top:72px}
 .guide-jumpbar>.container{min-height:48px}
 .guide-jump-menu nav{max-height:calc(100svh - 150px)}
}
@media(max-width:600px){
 .personalization-hero{padding-top:36px}
 .personalization-hero-grid{grid-template-columns:1fr;gap:24px}
 .personalization-art{max-width:240px}
 .personalization-hero .lede{font-size:18px}
 .personalization-hero h1{font-size:39px}
 .guide-local-search .doc-search-bar{gap:6px}
 .guide-local-search input{padding:10px;font-size:13px}
 .guide-local-search button{padding-inline:10px}
 .self-contained-guide{padding:44px 0}
 .self-contained-guide h2{font-size:29px}
 .guide-topic,.eq-guide-body{padding:22px 20px;border-radius:18px}
 .guide-topic>h3{font-size:24px}
 .arc-setting-summary{padding:18px;gap:16px 20px}
 .guide-topic .responsive-table :is(th,td){padding:12px 10px;font-size:14px}
 .filter-types dl{grid-template-columns:1fr}
 .eq-format-example,.eq-filter-reference{padding:18px}
 .recipe-caption{flex-direction:column;gap:4px}
 .filter-recipe pre{padding:14px;font-size:13px}
}
@media(max-width:380px){
 .arc-setting-summary{grid-template-columns:1fr}
}