/* Wattstanding - "charge meter": ink navy, signal amber, charge green, precise figures. */
@font-face{font-family:"Inter";src:url(/fonts/inter-latin.woff2) format("woff2");font-weight:300 800;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/fonts/ibm-plex-mono-500-latin.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}

:root{
  --paper:#f4f2ec;--paper-2:#ebe8dd;--card:#ffffff;--line:#d9d5c8;--line-2:#e8e5da;
  --ink:#0c1722;--ink-2:#34434f;--muted:#5d6b76;
  --navy:#0e2a47;--navy-2:#15385d;--navy-3:#e3ebf4;--navy-ink:#091c31;
  --volt:#f2b200;--volt-2:#7a5600;--volt-3:#fff2c4;--volt-hi:#ffd24a;
  --charge:#127a52;--charge-2:#0e6342;--charge-3:#dcf2e7;
  --red:#b83a24;--red-3:#fbe6e0;--sky:#1d5aa6;--sky-3:#e2edf8;
  --serif:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --wrap:1200px;--r:10px;--r-sm:6px;
  --shadow:0 1px 2px rgba(12,23,34,.06),0 10px 26px -14px rgba(12,23,34,.28);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.65 var(--sans);font-feature-settings:"cv11","ss01";text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy);text-decoration-thickness:1px;text-underline-offset:.18em}
a:hover{color:var(--navy-2)}
:focus-visible{outline:3px solid var(--volt);outline-offset:2px;border-radius:3px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:800;color:var(--ink);line-height:1.1;letter-spacing:-.025em;margin:0 0 .5em}
h1{font-size:clamp(2rem,1.3rem + 2.6vw,3.1rem)}
h2{font-size:clamp(1.45rem,1.15rem + 1.1vw,1.95rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:100;border-radius:6px}
.skip:focus{left:8px}
.num,.fig{font-family:var(--mono);font-weight:500;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.proto-bar{background:var(--ink);color:#e9e3d6;font:500 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;text-align:center;padding:7px 10px}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(244,242,236,.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;gap:24px;min-height:66px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand__mark{width:30px;height:30px;flex:none}
.brand__word{font:600 1.42rem/1 var(--serif);letter-spacing:-.01em}
.brand__word b{font-family:var(--sans);font-weight:800;letter-spacing:.02em;color:var(--navy);font-size:.86em;margin-right:.02em}
.brand__tag{display:block;font:500 10.5px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--ink-2);text-decoration:none;font:500 14.5px/1 var(--sans);padding:10px 11px;border-radius:8px}
.nav a:hover{background:var(--paper-2);color:var(--ink)}
.nav a[aria-current=page]{color:var(--navy);background:var(--navy-3)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:44px;color:var(--ink);cursor:pointer}
.nav-toggle svg{width:22px;height:22px;margin:auto}
@media (max-width:1060px){
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--card);border-bottom:1px solid var(--line);flex-direction:column;padding:10px 16px 16px;box-shadow:var(--shadow)}
  .nav.is-open{display:flex}
  .nav a{padding:13px 10px;font-size:16px}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;font:600 15px/1 var(--sans);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.btn--primary{background:var(--volt);color:var(--navy-ink)}
.btn--primary:hover{background:var(--volt-hi);color:var(--navy-ink)}
.btn--secondary{background:var(--card);color:var(--navy);border-color:var(--navy)}
.btn--secondary:hover{background:var(--navy-3);color:var(--navy-ink)}
.btn--amazon{background:#fff;color:var(--navy-ink);border-color:var(--navy)}
.btn--amazon:hover{background:var(--navy-3);color:var(--navy-ink)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn__arrow{width:15px;height:15px;flex:none}

/* Breadcrumbs & eyebrow */
.crumbs{margin:22px 0 14px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;font:500 13px/1.4 var(--sans);color:var(--muted)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--navy)}
.eyebrow{font:600 12px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--volt-2);margin:0 0 10px}
.dek{font-size:1.14rem;color:var(--ink-2);max-width:760px}

/* Home hero */
.hero{position:relative;background:var(--navy-ink);color:#eaf0f6;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(1200px 500px at 85% -10%,rgba(242,178,0,.20),transparent 60%),repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 96px),repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 96px)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;padding-top:64px;padding-bottom:64px;align-items:center}
.hero h1{color:#fff;font-size:clamp(2.2rem,1.4rem + 3vw,3.6rem)}
.hero .eyebrow{color:var(--volt-hi)}
.hero p.lede{font-size:1.2rem;color:#c9d6e4;max-width:620px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero .btn--secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.hero .btn--secondary:hover{background:rgba(255,255,255,.1)}
.hero .btn--primary{background:var(--volt);color:var(--navy-ink)}
.hero .btn--primary:hover{background:var(--volt-hi)}
.hero__panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:22px}
.hero__panel h2{color:#fff;font-size:1.2rem;margin-bottom:12px}
.room-diagram{width:100%;height:auto;color:var(--volt-hi)}
.hero__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.hero__stat{border-top:1px solid rgba(255,255,255,.2);padding-top:10px}
.hero__stat b{display:block;font:500 1.5rem/1.1 var(--mono);color:#fff}
.hero__stat span{font-size:12.5px;color:#a9bbcf}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;padding-top:40px;padding-bottom:44px}}

/* Sections */
.section{padding:56px 0}
.section--alt{background:var(--paper-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.section__head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;flex-wrap:wrap}
.section__head p{margin:0;color:var(--ink-2);max-width:640px}
.link-more{font:600 14.5px/1 var(--sans);text-decoration:none;white-space:nowrap}

/* Grids & cards */
.grid{display:grid;gap:18px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
@media (max-width:1000px){.grid--4{grid-template-columns:repeat(2,1fr)}.grid--3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid--4,.grid--3,.grid--2{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);transition:border-color .15s,box-shadow .15s,transform .15s}
a.card:hover{border-color:#b9b39f;box-shadow:var(--shadow);transform:translateY(-1px);color:var(--ink)}
.card__media{aspect-ratio:4/3;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line-2);padding:14px}
.card__media img{max-height:100%;width:auto;object-fit:contain}
.card__body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.card__kicker{font:600 11.5px/1.2 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--volt-2)}
.card h3{font-size:1.12rem;margin:0}
.card p{font-size:14.5px;color:var(--ink-2);margin:0}
.card__meta{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-top:auto;padding-top:8px;font-size:13.5px;color:var(--muted)}
.card__meta strong{font:500 15px/1 var(--mono);color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:5px;font:600 11.5px/1 var(--sans);padding:6px 9px;border-radius:999px;background:var(--paper-2);color:var(--ink-2);border:1px solid var(--line-2)}
.chip--green{background:var(--charge-3);color:var(--charge-2);border-color:#b9dfcc}
.chip--brass{background:var(--volt-3);color:var(--volt-2);border-color:#ead7ae}
.tile{display:block;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--ink)}
a.tile:hover{border-color:var(--navy);color:var(--ink)}
.tile h3{margin:6px 0 6px}
.tile p{margin:0;font-size:15px;color:var(--ink-2)}
.tile__icon{width:38px;height:38px;color:var(--navy)}

/* Product hero */
.p-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:44px;align-items:start;padding-bottom:30px}
@media (max-width:920px){.p-hero{grid-template-columns:1fr;gap:26px}}
.gallery{position:sticky;top:90px}
@media (max-width:920px){.gallery{position:static}}
.gallery__main{background:#fff;border:1px solid var(--line);border-radius:14px;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:26px;overflow:hidden}
.gallery__main img{max-height:100%;width:auto;object-fit:contain}
.gallery__thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.gallery__thumb{width:68px;height:68px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px;cursor:pointer}
.gallery__thumb[aria-pressed=true]{border-color:var(--navy);box-shadow:0 0 0 2px var(--navy-3)}
.gallery__thumb img{width:100%;height:100%;object-fit:contain}
.gallery__credit{font-size:12px;color:var(--muted);margin-top:8px}
.gallery__none{aspect-ratio:1/1;border:1px dashed var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--muted);background:var(--card)}
.p-sub{color:var(--ink-2);margin-top:-4px}
.finding{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--volt);border-radius:var(--r-sm);padding:16px 18px;margin:18px 0}
.finding__label{display:block;font:700 11.5px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--navy);margin-bottom:8px}
.finding p{margin:0}
.keyspecs{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;margin:18px 0}
.keyspec{background:var(--card);padding:12px 14px;box-shadow:1px 0 0 var(--line-2),0 1px 0 var(--line-2)}
.keyspec dt{font:600 11px/1.2 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.keyspec dd{margin:0;font:500 1.05rem/1.25 var(--mono);color:var(--ink)}
.fit{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}
@media (max-width:620px){.fit{grid-template-columns:1fr}}
.fit>div{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px}
.fit h2{font:700 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;margin:0 0 10px}
.fit--yes h2{color:var(--charge)}.fit--no h2{color:var(--red)}
.fit ul{margin:0;padding-left:18px;font-size:15px}.fit li{margin:4px 0}

/* Buy box */
.buy{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:18px 0}
.buy__price{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:12px}
.buy__amount{font:500 1.7rem/1 var(--mono);color:var(--ink)}
.buy__note{font-size:13px;color:var(--muted)}
.buy__ctas{display:flex;flex-wrap:wrap;gap:10px}
.buy__ctas .btn{flex:1 1 200px}
.buy__disclose{font-size:12.5px;color:var(--muted);margin:12px 0 0}
.buy__none{margin:0;color:var(--ink-2);font-size:15px}
.offers{width:100%;border-collapse:collapse;margin:8px 0 4px;font-size:15px}
.offers th,.offers td{padding:10px 8px;border-bottom:1px solid var(--line-2);text-align:left}
.offers td.num{white-space:nowrap}
.offers a{font-weight:600}

/* Table of contents */
.toc{position:sticky;top:66px;z-index:30;background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.toc ul{display:flex;gap:4px;list-style:none;margin:0;padding:8px 0;overflow-x:auto;scrollbar-width:none}
.toc ul::-webkit-scrollbar{display:none}
.toc a{display:block;white-space:nowrap;padding:8px 12px;border-radius:999px;text-decoration:none;color:var(--ink-2);font:500 14px/1 var(--sans)}
.toc a:hover{background:var(--paper-2);color:var(--ink)}

/* Body grid & prose */
.body-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;padding-top:34px;padding-bottom:60px}
@media (max-width:1000px){.body-grid{grid-template-columns:minmax(0,1fr)}}
.prose{max-width:820px}
.prose section{margin-bottom:44px}
.prose h2{padding-top:6px}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin:.3em 0}
.prose table{width:100%;border-collapse:collapse;font-size:15px;background:var(--card)}
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-sm);margin:14px 0 18px;background:var(--card)}
.table-scroll table{min-width:520px}
th,td{padding:10px 12px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:top}
thead th{background:var(--paper-2);font:600 12px/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);border-bottom:1px solid var(--line)}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
td.num,th.num{font-family:var(--mono);font-size:14.5px;white-space:nowrap}
.note{background:var(--sky-3);border-left:4px solid var(--sky);border-radius:var(--r-sm);padding:14px 16px;margin:16px 0;font-size:15.5px}
.note__label,.claim__label,.calc__label{display:block;font:700 11px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px}
.note__label{color:var(--sky)}
.claim{background:var(--volt-3);border-left:4px solid var(--volt);border-radius:var(--r-sm);padding:14px 16px;margin:16px 0;font-size:15.5px}
.claim__label{color:var(--volt-2)}
.calc{background:var(--charge-3);border-left:4px solid var(--charge);border-radius:var(--r-sm);padding:14px 16px;margin:16px 0;font-size:15.5px}
.calc__label{color:var(--charge-2)}
.formula{font-family:var(--mono);font-size:14px;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:8px 10px;display:inline-block;margin:4px 0}
.owner-note{background:#fff3cd;border:1px dashed #b08a00;padding:10px 12px;border-radius:6px;font-size:14px;margin:12px 0}

/* Compatibility */
.compat{list-style:none;padding:0;margin:14px 0}
.compat li{display:grid;grid-template-columns:30px 190px 1fr;gap:12px;align-items:start;padding:12px 0;border-bottom:1px solid var(--line-2)}
@media (max-width:620px){.compat li{grid-template-columns:30px 1fr}.compat li>span:last-child{grid-column:2}}
.compat__icon{width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font:700 13px/1 var(--sans);font-style:normal}
.compat__icon--required{background:var(--charge-3);color:var(--charge)}
.compat__icon--check{background:var(--volt-3);color:var(--volt-2)}
.compat__icon--info{background:var(--sky-3);color:var(--sky)}
.compat__need{font-weight:600}
.compat-legend{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--muted)}
.compat-legend span{display:inline-flex;align-items:center;gap:6px}

/* Specs */
.spec-legend{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 14px}
.tier{display:inline-block;font:600 11px/1 var(--sans);padding:5px 8px;border-radius:999px;white-space:nowrap}
.tier--mfr,.tier--doc{background:var(--charge-3);color:var(--charge-2)}
.tier--retail{background:var(--sky-3);color:#1b4257}
.tier--calc{background:var(--volt-3);color:var(--volt-2)}
.tier--unknown{background:#eee;color:#555}
table.spec th{width:34%;font-weight:600;color:var(--ink-2)}
table.spec td:last-child{width:1%;white-space:nowrap}
.src-ref{font-size:12px;margin-left:6px;text-decoration:none}
.limits li{margin:.5em 0}
.sources{padding-left:20px;font-size:15px}
.sources li{margin:.4em 0}
.retrieved{color:var(--muted);font-size:13px}
.disclosure-line{font-size:14px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:18px}

/* Alternatives */
.alts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (max-width:620px){.alts{grid-template-columns:1fr}}
.alt{display:grid;grid-template-columns:78px 1fr;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px;text-decoration:none;color:var(--ink)}
.alt:hover{border-color:var(--navy);color:var(--ink)}
.alt img{width:78px;height:78px;object-fit:contain;background:#fff}
.alt strong{display:block;font-size:15px}
.alt span{display:block;font-size:13.5px;color:var(--ink-2)}

/* Aside */
.body-grid__aside{display:flex;flex-direction:column;gap:16px}
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;position:relative}
.aside-card h2{font:700 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.aside-card ul{list-style:none;margin:0;padding:0}
.aside-card li{padding:7px 0;border-bottom:1px solid var(--line-2);font-size:14.5px;line-height:1.35}
.aside-card li:last-child{border-bottom:0}
.aside-card a{text-decoration:none}
.aside-card a:hover{text-decoration:underline}
.aside-sticky{position:sticky;top:130px}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:0 16px;margin:10px 0}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:500 20px/1 var(--mono);color:var(--navy)}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 0 14px;color:var(--ink-2)}

/* Comparison */
.vs-head{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;margin:14px 0 22px}
.vs-head__item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center}
.vs-head__item img{height:160px;width:auto;margin:0 auto 10px;object-fit:contain}
.vs-head__item h2{font-size:1.15rem;margin:0 0 4px}
.vs-head__vs{font:700 1.1rem/1 var(--serif);color:var(--volt-2)}
@media (max-width:620px){.vs-head{grid-template-columns:1fr}.vs-head__vs{text-align:center}}
.cmp td.diff{background:#fff8dc}
.choose{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:620px){.choose{grid-template-columns:1fr}}
.choose>div{background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px}

/* Hub table */
.filter{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:16px 0}
.filter input,.filter select{font:15px var(--sans);padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:var(--card);min-width:220px;color:var(--ink)}
.filter input[type=search]{padding-left:38px;width:340px;max-width:100%;background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2366716a' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='6.5'/%3E%3Cpath d='M16 16l4.5 4.5'/%3E%3C/svg%3E") no-repeat 12px center/17px 17px}
.filter input[type=search]:focus{border-color:var(--navy)}
.sortable th[data-sort]{cursor:pointer;white-space:nowrap}
.sortable th[data-sort]::after{content:" ↕";color:var(--muted);font-size:11px}
.sortable th[aria-sort=ascending]::after{content:" ↑"}
.sortable th[aria-sort=descending]::after{content:" ↓"}
.hub-row-name{font-weight:600;text-decoration:none}
.thumb-cell img{width:52px;height:52px;object-fit:contain;background:#fff;border:1px solid var(--line-2);border-radius:6px}
.empty-state{padding:18px;color:var(--muted)}

/* Picks (best-of) */
.picks{counter-reset:pick;display:flex;flex-direction:column;gap:16px;margin:20px 0}
.pick{display:grid;grid-template-columns:150px 1fr auto;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;align-items:center}
@media (max-width:760px){.pick{grid-template-columns:1fr}}
.pick img{width:150px;height:130px;object-fit:contain;background:#fff}
.pick__rank{font:700 12px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--volt-2)}
.pick h3{margin:6px 0 4px}
.pick p{margin:4px 0;font-size:15px}
.pick__cta{display:flex;flex-direction:column;gap:8px;min-width:190px}

/* Tools */
.tool{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin:18px 0}
.tool__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.field label{display:block;font:600 13px/1.3 var(--sans);color:var(--ink-2);margin-bottom:6px}
.field input,.field select{width:100%;font:500 16px var(--mono);padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
.field small{display:block;color:var(--muted);font-size:12.5px;margin-top:4px}
.tool__out{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}
.result{background:var(--paper);border:1px solid var(--line-2);border-radius:8px;padding:12px}
.result b{display:block;font:500 1.35rem/1.2 var(--mono)}
.result span{font-size:12.5px;color:var(--muted)}
.status{display:inline-flex;gap:6px;align-items:center;font:600 13px/1 var(--sans);padding:6px 10px;border-radius:999px}
.status--ok{background:var(--charge-3);color:var(--charge-2)}
.status--warn{background:var(--volt-3);color:var(--volt-2)}
.status--bad{background:var(--red-3);color:var(--red)}
.tool-error{color:var(--red);font-size:14px;margin-top:8px}

/* Mobile buy bar */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--card);border-top:1px solid var(--line);padding:10px 16px;display:flex;align-items:center;gap:12px;transform:translateY(110%);transition:transform .2s}
.buybar.is-visible{transform:none}
.buybar__name{flex:1;font:600 14px/1.25 var(--sans);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (min-width:921px){.buybar{display:none}}
body.has-buybar{padding-bottom:0}

/* Footer */
.site-footer{background:var(--navy-ink);color:#c3ceda;padding:54px 0 28px;margin-top:40px;font-size:15px}
.site-footer a{color:#e8eef5;text-decoration:none}
.site-footer a:hover{text-decoration:underline;color:#fff}
.site-footer .brand{color:#fff}
.site-footer .brand__word b{color:var(--volt-hi)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.site-footer h2{font:700 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:#93a5b8;margin:6px 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:8px 0}
.footer-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;font-size:13px;color:#93a5b8}

/* Page header band */
.page-head{padding:10px 0 26px;border-bottom:1px solid var(--line);margin-bottom:10px}
.page-head .dek{margin-bottom:0}
.index-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (max-width:760px){.index-list{grid-template-columns:1fr}}
.index-item{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px;text-decoration:none;color:var(--ink)}
.index-item:hover{border-color:var(--navy);color:var(--ink)}
.index-item span{display:block;font:600 11px/1.2 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--volt-2);margin-bottom:5px}
.index-item strong{display:block;font-family:var(--serif);font-size:1.12rem;line-height:1.25}
.index-item p{margin:5px 0 0;font-size:14px;color:var(--ink-2)}
.pill-nav{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 6px}
.pill-nav a{display:inline-block;padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:var(--card);text-decoration:none;color:var(--ink-2);font:500 14px/1 var(--sans)}
.pill-nav a:hover{border-color:var(--navy);color:var(--navy)}
.muted{color:var(--muted)}
.small{font-size:14px}
@media print{.site-header,.toc,.buybar,.site-footer,.proto-bar{display:none}body{background:#fff}}

/* Charge meter motif */
.meter{display:inline-flex;gap:3px;align-items:flex-end;height:18px;vertical-align:middle}
.meter i{display:block;width:6px;border-radius:2px;background:var(--line);height:100%}
.meter i.on{background:var(--volt)}
.meter--lg{height:30px}.meter--lg i{width:10px}
.bar{height:12px;border-radius:6px;background:var(--line-2);overflow:hidden;min-width:60px}
.bar>b{display:block;height:100%;background:linear-gradient(90deg,var(--volt),var(--volt-hi));border-radius:6px}
.bar--ok>b{background:linear-gradient(90deg,var(--charge-2),var(--charge))}
.runtime{width:100%;border-collapse:collapse;font-size:15px;background:var(--card)}
.runtime td.bar-cell{width:28%;min-width:110px}
.badge{display:inline-flex;align-items:center;gap:5px;font:700 11.5px/1 var(--sans);letter-spacing:.04em;padding:6px 9px;border-radius:999px}
.badge--yes{background:var(--charge-3);color:var(--charge-2)}
.badge--no{background:var(--red-3);color:var(--red)}
.badge--maybe{background:var(--volt-3);color:var(--volt-2)}
.safety{background:var(--red-3);border-left:4px solid var(--red);border-radius:var(--r-sm);padding:14px 16px;margin:16px 0;font-size:15.5px}
.safety__label{display:block;font:700 11px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px;color:var(--red)}

/* Layout helpers (no inline styles: the site's CSP forbids them) */
.footer-note{margin-top:14px}
.body-grid--tight{padding-top:14px}
.prose--wide{max-width:none}
.h-gap{margin-top:34px}
.buy__ctas--center{justify-content:center}
.aside-card--gap{margin:18px 0}
.wrap--pad{padding-bottom:40px}
.section--tight{padding:26px 0}
.index-list--one{grid-template-columns:1fr}
progress.bar{appearance:none;-webkit-appearance:none;width:100%;height:12px;border:0;border-radius:6px;background:var(--line-2);overflow:hidden;display:block}
progress.bar::-webkit-progress-bar{background:var(--line-2);border-radius:6px}
progress.bar::-webkit-progress-value{background:linear-gradient(90deg,var(--volt),var(--volt-hi));border-radius:6px}
progress.bar::-moz-progress-bar{background:var(--volt);border-radius:6px}
.hero-meter{display:grid;gap:10px;margin:6px 0 4px}
.hero-meter__row{display:grid;grid-template-columns:150px 1fr 64px;gap:12px;align-items:center;font:500 13.5px/1.2 var(--mono);color:#cfdbe8}
.hero-meter__row b{color:#fff;text-align:right;font-weight:500}
.hero-meter progress.bar{height:14px;background:rgba(255,255,255,.12)}
.hero-meter progress.bar::-webkit-progress-bar{background:rgba(255,255,255,.12)}
.hero-note{font-size:13px;color:#a9bbcf;margin:10px 0 0}
@media (max-width:520px){.hero-meter__row{grid-template-columns:104px 1fr 54px;font-size:12px}}
.wrap--narrow{max-width:760px;padding:70px 20px 90px}
.prose--page{padding:26px 0 60px}.wrap--pad-lg{padding-bottom:50px}.fig-block{margin:16px 0}

/* Interactive hero dial */
.hero-dial{margin:2px 0 14px}
.hero-dial label{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font:600 13px/1.2 var(--sans);color:#cfdbe8;margin-bottom:8px}
.hero-dial label b{font:500 1.15rem/1 var(--mono);color:var(--volt-hi)}
.hero-dial input[type=range]{width:100%;height:28px;background:transparent;accent-color:var(--volt);cursor:pointer}
.hero-dial input[type=range]:focus-visible{outline:3px solid var(--volt-hi);outline-offset:3px;border-radius:6px}
.hero-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.hero-chips button{font:600 12.5px/1 var(--mono);padding:8px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.28);background:transparent;color:#e6edf5;cursor:pointer;min-height:36px}
.hero-chips button:hover{background:rgba(255,255,255,.1)}
.hero-chips button[aria-pressed=true]{background:var(--volt);border-color:var(--volt);color:var(--navy-ink)}
.hero-note a{color:var(--volt-hi)}