:root{--ink:#142b43;--muted:#53677b;--line:#d5dfe9;--paper:#fff;--wash:#f1f5f9;--accent:#eab34b;--link:#175a9d;--good:#22624b;--radius:12px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.55;font-synthesis:none}
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a{padding:18px 24px;border:1px solid var(--line);border-radius:8px;font-size:1.125rem}.skip-link{position:absolute;top:-100px;inset-inline-start:16px;background:var(--ink);color:white;z-index:99;padding:12px}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1020px){.hero{gap:28px;grid-template-columns:1.5fr 1fr}.header-inner{gap:22px}.header-inner nav{gap:18px}.stats{gap:32px}.content-layout{grid-template-columns:1fr;gap:18px}.section-nav{position:static;flex-direction:row;flex-wrap:wrap;padding:12px 0;border-inline-start:0;border-block:1px solid var(--line);gap:8px 20px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.key-specs{gap:25px}.battery-intro{gap:26px}.key-specs strong{font-size:1.15rem}.footer-inner{grid-template-columns:150px 1fr}.footer-inner>a{grid-column:2}}
@media(max-width:700px){.container{width:calc(100% - 36px)}.header-inner{padding:16px 18px;flex-wrap:wrap;gap:12px;justify-content:space-between}.header-inner nav{order:3;width:100%;margin:0;gap:10px 20px;flex-wrap:wrap}.header-inner nav a{font-size:.875rem}.logo{font-size:1.5rem}.hero{display:block;padding:32px 0 26px}.hero .dimension{display:none}.hero h1{max-width:17ch}.hero .lead{font-size:1rem}.search-row{gap:7px;flex-wrap:wrap}.search-row input{min-width:170px}.search-row button{flex:1;padding-inline:12px}.hero-bottom{margin-top:18px}.stats{gap:20px;justify-content:space-between;padding:18px 0;margin-bottom:28px}.stats div{display:block;flex:1}.stats strong{font-size:1.65rem}.stats span{display:block;font-size:.75rem;margin-top:7px}.section-head{display:block}.section-head a{display:inline-block;margin-top:8px}.cards{grid-template-columns:1fr}.battery-card{padding:20px}.battery-card>p{min-height:0}.battery-card h3{font-size:1.7rem}.card-top{margin-bottom:10px}.compare-strip{display:block;padding:22px;margin-top:28px}.comparison-links{gap:8px}.comparison-links a{padding:12px 10px;font-size:.8rem}.page-intro{padding:28px 0}.page-intro h1{font-size:2.2rem}.lead{font-size:1rem}.filters{gap:14px}.filters label{min-width:100%}.filters p{margin:0}.battery-intro{display:block;padding-top:26px}.battery-intro .dimension{display:none}.key-specs{gap:20px;flex-wrap:wrap}.key-specs strong{font-size:1.35rem}.notice{padding:14px 16px;font-size:.9rem}.section-nav{gap:4px 20px}.fact-table th{width:41%}td,th{padding:12px 10px;font-size:.875rem}.fact-proof,.source-ref{font-size:.75rem}.product{padding:14px!important}.product .table-wrap{margin-inline:-5px}.product summary{gap:8px}.compare-table th:first-child{width:30%}.compare-table td,.compare-table th{font-size:.875rem;padding:12px 8px}.compare-form{grid-template-columns:1fr}.plain-grid{grid-template-columns:1fr}.source-list .badge{margin-top:6px}.footer-inner{grid-template-columns:1fr;gap:16px}.footer-inner>a{grid-column:auto}.footer-inner>div{flex-direction:row;align-items:baseline;gap:16px}.language-root{padding-block:60px}.language-root h1{font-size:3.5rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{header,footer,.search-form,.compare-form,.section-nav,.languages{display:none!important}.container{width:100%}.product{break-inside:avoid}.notice{background:white}.dimension{display:none}a{color:inherit}.content-layout{display:block}}

.match-explain,.match-context{background:#edf4fa;border-inline-start:3px solid #396b98;color:#1b3b56;font-size:.88rem;padding:10px 12px;line-height:1.5;border-radius:3px}.match-context{margin-block:16px}.search-result .match-explain{margin:0}

/* v0.1.3 fact-grounded guides */
.battery-guide{padding:22px 24px;background:#f8fafc;border:1px solid var(--line);border-radius:10px}.battery-guide h2{margin-bottom:24px}.editorial-unit{margin-bottom:24px}.editorial-unit:last-child{margin-bottom:0}.editorial-unit h3{font-size:1.075rem;margin-bottom:10px}.editorial-unit p{max-width:82ch}.reference-siblings{padding-inline-start:22px}.reference-siblings li{margin:8px 0}.battery-guide a{font-weight:600}@media(max-width:700px){.battery-guide{padding:18px 16px}}

/* v0.1.4 evidence-first replacement presentation; never a compatibility success badge */
.evidence-groups {display:grid;gap:1.15rem;margin-block:1.4rem}
.evidence-groups>h3 {margin:0}
.evidence-group {border:1px solid #d4e0e9;border-radius:14px;padding:1rem 1.1rem;background:#f8fafc;min-width:0;overflow-wrap:anywhere}
.evidence-group h3,.evidence-group h4 {margin:.1rem 0 .55rem;line-height:1.35}
.evidence-group p {margin:.5rem 0}
.evidence-group code {display:inline-block;padding:.13rem .28rem;background:white;border:1px solid #d9e3eb;border-radius:4px;margin:.08rem}
.evidence-group .relation {background:#fff;border-radius:9px;border:1px solid #dae3eb;padding:.8rem 1rem;margin-top:.7rem}
.evidence-group [data-category="conditional"],.relation[data-category="conditional"] {border-left:4px solid #967021}
.evidence-group [data-category="restriction"],.relation[data-category="restriction"] {border-left:4px solid #a4534b}
[data-compare-result] [data-category="conditional"] {border-left:4px solid #967021}
[data-compare-result] [data-category="restriction"] {border-left:4px solid #a4534b}
[data-compare-result] [data-category="unassessed"] {border-left:4px solid #66758b}
@media(max-width:600px) {.evidence-group{padding:.8rem}.evidence-group .relation{padding:.7rem}}