:root{color-scheme:dark;--bg:#111111;--panel:#191919;--line:#2c2c2c;--text:#efefef;--muted:#989898;--accent:#d7d7d7}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 'Segoe UI',Arial,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}a,button{touch-action:manipulation}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}header{height:82px;position:fixed;inset:0 0 auto;z-index:10;border-bottom:1px solid var(--line);background:#111111f5;display:flex;align-items:center;gap:30px;padding:0 30px}.brand{display:flex;gap:13px;align-items:center}.brand img{width:48px;height:38px;object-fit:contain}.brand b{letter-spacing:3px;font-size:20px}.brand>span{border-left:1px solid #3a3a3a;margin-left:10px;padding-left:23px;color:#9d9d9d;font-size:13px}.search{margin-left:auto;display:flex;align-items:center;gap:12px;background:#1d1d1d;color:#979797;border:1px solid #363636;border-radius:8px;padding:8px 12px;width:295px;font-size:13px}.search>span:first-child{font-size:23px;line-height:1}kbd{margin-left:auto;border:1px solid #3f3f3f;border-radius:4px;padding:0 5px;font:11px 'Segoe UI',sans-serif}.help{font-size:13px}#menu{display:none}#sidebar{position:fixed;top:82px;bottom:0;left:0;width:268px;padding:32px 18px 20px;border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:auto}.label,.group{font-size:10px;font-weight:600;color:#6e6e6e;letter-spacing:1.6px;margin:0 15px 18px}.group{margin:26px 15px 8px}nav a{display:flex;align-items:center;gap:12px;padding:9px 14px;margin:3px 0;border-radius:7px;font-size:13px;color:#9f9f9f}.nav-icon{font-size:17px;width:20px;text-align:center;color:#7d7d7d}nav a:hover{background:#1e1e1e;color:white}nav a.active{color:#e9e9e9;background:#2b2b2b;box-shadow:inset 2px 0 #d7d7d7}.support{display:block;border:1px solid #333333;background:linear-gradient(135deg,#222222,#191919);padding:15px;border-radius:9px;margin:36px 5px 0;font-size:11px}.support span{display:block;color:#cbcbcb}.support small{display:block;margin-top:5px;color:#7f7f7f;font-size:10px}.side-foot{font-size:8px;letter-spacing:1.3px;color:#686868;margin:22px 15px}.side-foot i{display:inline-block;width:5px;height:5px;background:#a9a9a9;border-radius:50%;margin-right:6px}main{margin:82px 225px 0 268px;padding:34px 52px 50px;max-width:1100px;min-height:calc(100vh - 82px)}.crumb{font-size:11px;color:#7d7d7d;margin-bottom:34px}.crumb span{margin:0 10px;color:#4b4b4b}.hero{position:relative;border-bottom:1px solid var(--line);padding-bottom:32px}.eyebrow{display:flex;align-items:center;gap:8px;color:#c7c7c7;font-size:10px;font-weight:600;letter-spacing:2px;margin-bottom:12px}.eyebrow i{width:5px;height:5px;background:#cecece;border-radius:50%}h1{font-size:43px;line-height:1.2;letter-spacing:-1.8px;font-weight:600;margin:0 0 16px;max-width:580px}.lead{font-size:15px;line-height:1.8;color:#9e9e9e;max-width:510px;margin:0}.hero-planet{position:absolute;width:150px;height:100px;object-fit:contain;right:0;top:8px;opacity:.8;filter:drop-shadow(0 0 35px #cbcbcb22)}.welcome h1,.welcome .lead{max-width:calc(100% - 145px)}.meta{font-size:10px;color:#6b6b6b;margin-top:22px;display:flex;gap:22px}.callout{border:1px solid #393939;background:#202020;border-radius:8px;margin:26px 0;padding:16px 20px;display:flex;gap:14px}.callout .symbol{color:#d2d2d2}.callout p{margin:0;font-size:12px;color:#adadad}.callout b{color:#e3e3e3;font-weight:500}.section-head{display:flex;align-items:center;justify-content:space-between;margin:31px 0 16px}.section-head h2{margin:0;font-size:20px;letter-spacing:-.4px}.section-head span{color:#6b6b6b;font-size:10px}.cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}.card{position:relative;background:#181818;border:1px solid #303030;padding:21px 22px;border-radius:9px;transition:background .15s,border-color .15s}.card:hover{background:#222222;border-color:#6e6e6e}.icon{display:grid;place-items:center;width:32px;height:32px;background:#282828;color:#cecece;border:1px solid #404040;border-radius:8px;font-size:17px;margin-bottom:16px}.card:nth-child(2) .icon{color:#c6c6c6;background:#292929;border-color:#3f3f3f}.card:nth-child(3) .icon{color:#bbbbbb;background:#262626;border-color:#393939}.card:nth-child(4) .icon{color:#bcbcbc;background:#252525;border-color:#3a3a3a}.card h3{font-size:14px;font-weight:500;margin:0 0 5px}.card p{font-size:11px;color:#8c8c8c;margin:0;line-height:1.7}.arrow{position:absolute;right:21px;top:24px;color:#6c6c6c;font-size:15px}.steps{counter-reset:s;list-style:none;padding:0;margin:0}.steps li{counter-increment:s;display:flex;align-items:flex-start;gap:15px;padding:15px 0;border-bottom:1px solid #272727}.steps li:before{content:'0' counter(s);font-size:11px;color:#858585;padding-top:2px}.steps strong{font-size:12px;font-weight:500}.steps p{font-size:11px;color:#868686;margin:3px 0 0}.bottom{display:flex;justify-content:space-between;font-size:10px;color:#6a6a6a;border-top:1px solid var(--line);margin-top:32px;padding-top:20px}.bottom a{color:#adadad}#toc{position:fixed;right:30px;top:126px;width:155px;font-size:11px}#toc strong{display:block;font-weight:500;color:#b1b1b1;margin-bottom:16px}#toc a{display:block;padding:7px 0 7px 13px;border-left:1px solid #343434;color:#7f7f7f}#toc a:hover{border-color:#c2c2c2;color:#dcdcdc}.article-body{padding-top:15px;color:#b9b9b9;font-size:14px;line-height:1.9}.article-body h2{font-size:21px;color:#ededed;letter-spacing:-.4px;line-height:1.4;margin:32px 0 14px}.article-body h3{color:#e2e2e2;font-size:17px}.article-body p{margin:14px 0}.article-body blockquote{border-left:2px solid #9e9e9e;margin:22px 0;padding:12px 20px;background:#1e1e1e}.article-body li{margin:15px 0}.source-link{display:inline-block;color:#c3c3c3;margin-top:22px;font-size:12px}.page-nav{display:flex;gap:12px;margin-top:30px}.page-nav a{border:1px solid var(--line);border-radius:8px;padding:15px;width:50%;font-size:12px}.page-nav a:last-child{text-align:right;margin-left:auto}.page-nav small{display:block;font-size:10px;color:#7b7b7b}.unavailable{border:1px solid #363636;border-radius:8px;padding:18px;margin-top:25px;font-size:12px;color:#979797}.unavailable a{text-decoration:underline;color:#c8c8c8}.skip{position:fixed;top:-100px}.skip:focus{top:0;z-index:100;background:#414141;padding:10px}dialog{padding:0;border:1px solid #484848;background:#181818;color:#eeeeee;border-radius:12px;width:min(620px,calc(100% - 32px));max-height:80vh;margin:14vh auto}dialog::backdrop{background:#000a;backdrop-filter:blur(4px)}.input-row{display:flex;padding:18px;gap:12px;align-items:center;border-bottom:1px solid #343434}.input-row input{flex:1;min-width:0;background:none;border:0;color:white;outline:0}.input-row button{background:#282828;border:1px solid #434343;color:#afafaf;border-radius:4px;font-size:11px}#results{padding:10px;max-height:50vh;overflow:auto}#results a{display:block;padding:12px;border-radius:6px}#results a:hover,#results a.selected{background:#303030}#results small{display:block;color:#909090;font-size:12px}#results p{padding:10px;color:#aaaaaa;font-size:13px}.search-foot{border-top:1px solid #343434;padding:12px 20px;font-size:10px;color:#8b8b8b}.search-foot span{margin-left:15px}@media(min-width:1600px){main{margin-left:calc(268px + (100vw - 1600px)/2)}}@media(max-width:1250px){#toc{display:none}main{margin-right:0;max-width:1000px}.brand>span{display:none}}@media(max-width:800px){header{height:68px;padding:0 18px;gap:16px}.brand b{font-size:17px}.brand img{width:38px}.search{width:36px;padding:7px;justify-content:center}.search-label,kbd,.help{display:none}#menu{display:block;background:none;border:1px solid #393939;color:#cccccc;border-radius:6px;width:36px;height:36px}#sidebar{top:68px;z-index:9;background:#151515;transform:translateX(-100%)}body.menu-open #sidebar{transform:translateX(0)}#shade:not([hidden]){position:fixed;inset:68px 0 0;background:#0009;z-index:8}main{margin:68px 0 0;padding:27px 23px}.crumb{margin-bottom:27px}h1{font-size:34px}.hero-planet{width:95px;height:80px}.welcome h1,.welcome .lead{max-width:calc(100% - 90px)}.lead{font-size:13px}.card{padding:18px}.bottom{gap:15px}.section-head span{display:none}}@media(max-width:400px){.cards{grid-template-columns:1fr}.welcome h1,.welcome .lead{max-width:100%}.hero-planet{display:none}h1{font-size:31px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Unified monochrome controls and prices */
.nav-icon,.icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.nav-icon svg{width:18px;height:18px;display:block}.icon svg{width:19px;height:19px;display:block}.search-icon{width:20px;height:20px;flex:0 0 20px;display:block}.search{min-height:39px}.input-row>.search-icon{color:#aaa}.search>span.search-label{font-size:13px;line-height:1.5}.hero-planet{filter:drop-shadow(0 0 35px #ffffff15)}
.price-panel{border:1px solid #444;border-radius:12px;background:linear-gradient(135deg,#222,#191919);padding:7px 26px 0;margin:22px 0;box-shadow:0 14px 40px #0003}.price-header,.price-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:20px}.price-header{padding:18px 0 15px;color:#8d8d8d;font-size:11px;letter-spacing:1px;text-transform:uppercase;border-bottom:1px solid #444}.price-row{padding:13px 0;border-bottom:1px solid #333;font-size:13px;color:#c7c7c7}.price-row strong{font-size:19px;color:#f5f5f5;font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}.price-row strong span{font-size:14px;color:#999;margin-left:5px}.price-note{display:flex;align-items:center;gap:16px;background:#303030;border:1px solid #484848;border-radius:7px;margin:20px 0 0;padding:13px 15px;font-size:12px;color:#bbb}.price-note strong{color:#fff;white-space:nowrap;font-size:17px}.article-body .price-caption{font-size:11px;color:#858585;margin:12px 0 18px}@media(max-width:800px){.search>span.search-label{display:none}.search{padding:7px;width:38px}.price-panel{padding:5px 17px 0}.price-row{font-size:12px}.price-note{gap:12px;font-size:11px}}

.support-action{display:inline-flex;padding:11px 17px;border:1px solid #666;background:#303030;border-radius:7px;color:#fff;margin:12px 0}.support-action:hover{background:#414141}

.steps li::before{content:none}.steps li{gap:0}

.article-figure{margin:26px 0 32px}.article-figure a{display:block}.article-figure img{display:block;width:auto;max-width:100%;max-height:760px;height:auto;margin:0 auto;border:1px solid #393939;border-radius:9px;object-fit:contain}.article-figure figcaption{font-size:12px;line-height:1.6;color:#8e8e8e;text-align:center;margin-top:10px}

.price-panel{padding-bottom:24px}.price-note{margin-bottom:0}@media(max-width:800px){.price-panel{padding-bottom:18px}}


/* Readability across all screen sizes */
body{font-size:17px;font-weight:500;color:#f2f2f2}
h1{font-weight:700;color:#fff}
.lead{font-size:18px;font-weight:500;color:#d6d6d6;line-height:1.75}
.card h3{font-size:18px;font-weight:700;color:#f6f6f6;line-height:1.4}
.card p{font-size:16px;font-weight:500;color:#c9c9c9;line-height:1.65}
.card{padding:25px}.cards{gap:16px}
.section-head h2{font-size:25px;font-weight:700;color:#f7f7f7}
.section-head span,.meta{font-size:13px;color:#b6b6b6;font-weight:500}
.steps strong{font-size:18px;font-weight:700;color:#f5f5f5}
.steps p{font-size:16px;color:#cdcdcd;line-height:1.7;margin-top:7px}
.steps li{padding:20px 0}
.article-body{font-size:18px;font-weight:500;color:#dedede;line-height:1.85;overflow-wrap:break-word}
.article-body h2{font-size:26px;font-weight:700;color:#fff}
.article-body h3{font-size:22px;font-weight:700;color:#f4f4f4}
.callout p{font-size:16px;font-weight:500;color:#d7d7d7;line-height:1.75}
.callout b{font-weight:700;color:#fff}
nav a{font-size:15px;font-weight:600;color:#cdcdcd;padding-top:11px;padding-bottom:11px}
.nav-icon{color:#c5c5c5}.label,.group{font-size:12px;color:#a8a8a8}
.crumb{font-size:13px;color:#b3b3b3}.eyebrow{font-size:12px;color:#d2d2d2}
.support{font-size:13px}.support small{font-size:12px;color:#b5b5b5}
.bottom,.source-link,.page-nav small{font-size:13px;color:#b9b9b9}
.page-nav a{font-size:16px;font-weight:600;color:#eee}
#toc{font-size:13px}#toc a{color:#b9b9b9}#toc strong{color:#ddd;font-weight:600}
.price-header{font-size:13px;color:#c3c3c3;font-weight:600}
.price-row{font-size:16px;color:#e1e1e1;font-weight:600;padding:16px 0}
.price-row strong{font-size:22px}.price-row strong span{font-size:17px;color:#ccc}
.price-note{font-size:15px;color:#ddd;line-height:1.65}.price-note strong{font-size:20px}
.article-figure figcaption{font-size:14px;color:#bcbcbc;font-weight:500}
.search,.search>span.search-label{font-size:15px;color:#c8c8c8}
#results small{font-size:14px;color:#bfbfbf}.search-foot{font-size:12px;color:#b8b8b8}
@media(max-width:800px){
 main{padding:27px 20px 40px}
 .cards{grid-template-columns:1fr;gap:14px}.card{padding:23px}
 h1{font-size:36px;letter-spacing:-1px}.welcome h1,.welcome .lead{max-width:100%}
 .hero-planet{position:static;display:block;width:105px;height:70px;margin-top:20px}
 .lead{font-size:18px}.meta{flex-wrap:wrap;gap:8px 18px}
 .article-body{font-size:18px}.callout{padding:17px;gap:10px}
 .price-panel{padding-left:16px;padding-right:16px}
 .price-row{font-size:15px;gap:14px}.price-header{font-size:12px}
 .price-note{flex-wrap:wrap;gap:6px 12px;font-size:15px}
 .article-figure img{max-height:none}.bottom{flex-wrap:wrap;gap:10px}
 #menu{width:44px;height:44px}.search{width:44px;min-height:44px}
 .page-nav{flex-wrap:wrap}.page-nav a{width:100%}
}
.price-row strong,.price-row strong span{color:#fff;font-size:22px;font-weight:750}.price-row strong span{margin-left:4px}.article-body .time-value{color:#fff;font-weight:750}

/* Keep the planet beside the heading on mobile. */
@media(max-width:800px){
 .hero.welcome{display:grid;grid-template-columns:minmax(0,1fr) 84px;column-gap:12px;align-items:center}
 .welcome .eyebrow{grid-column:1 / -1;grid-row:1}
 .welcome h1{grid-column:1;grid-row:2;max-width:100%;font-size:clamp(27px,7.3vw,36px);letter-spacing:-.8px;overflow-wrap:normal}
 .welcome .hero-planet{position:static;display:block;grid-column:2;grid-row:2;width:84px;height:84px;max-width:100%;margin:0;align-self:center}
 .welcome .lead{grid-column:1 / -1;grid-row:3;max-width:100%}
 .welcome .meta{grid-column:1 / -1;grid-row:4}
}
@media(max-width:350px){
 .hero.welcome{grid-template-columns:minmax(0,1fr) 64px;column-gap:8px}
 .welcome .hero-planet{width:64px;height:64px}
 .welcome h1{font-size:26px}
}
@media(max-width:800px){.welcome .hero-planet{align-self:start;transform:translateY(-12px)}}