/* Phosphene content pages — Beautiful Engine LLC */
:root{
  --bg:#08080c;--panel:rgba(22,14,48,.94);--border:rgba(255,255,255,.10);
  --text:#eef0f6;--dim:#8891a8;--violet:#c084fc;--sky:#38bdf8;--pink:#f472b6;--green:#34d399;
  --display:"Barlow Condensed","Arial Narrow",sans-serif;
  --body:Barlow,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --measure:40.5rem;--wide:1100px;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.65 var(--body);-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
img{display:block;max-width:100%;height:auto}
a{color:var(--violet);text-decoration-thickness:1px;text-underline-offset:.2em;text-decoration-color:rgba(192,132,252,.45)}
a:hover{text-decoration-color:currentColor}
:focus-visible{outline:2px solid var(--sky);outline-offset:3px;border-radius:2px}
strong{font-weight:500;color:#fff}
::selection{background:rgba(192,132,252,.35)}

.skip{position:absolute;left:16px;top:-80px;z-index:9;padding:.5rem .9rem;background:var(--violet);color:#120a24;border-radius:4px;font-weight:500;text-decoration:none}
.skip:focus{top:12px}
.nw{white-space:nowrap}

/* Header */
.site-head{border-bottom:1px solid var(--border)}
.head-in{width:min(100% - 32px,var(--wide));margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1.5rem;padding:1rem 0}
.mark{font:300 1.15rem/1 var(--display);letter-spacing:.42em;margin-right:-.42em;color:var(--violet);text-decoration:none;text-transform:uppercase;white-space:nowrap}
.site-nav{order:3;flex-basis:100%}
.site-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.15rem 1.15rem}
.site-nav a{font:400 1.06rem/1.7 var(--display);letter-spacing:.05em;color:var(--dim);text-decoration:none}
.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--text)}
.site-nav a[aria-current=page]{text-decoration:underline;text-decoration-color:var(--violet);text-underline-offset:.35em}
.head-in .btn{margin-left:auto;padding:.42rem .95rem;font-size:.94rem}
@media (min-width:880px){
  .mark{font-size:1.35rem}
  .site-nav{order:0;flex-basis:auto;margin-left:auto}
  .head-in .btn{margin-left:0}
}

.btn{display:inline-block;padding:.65rem 1.2rem;border-radius:999px;background:var(--violet);color:#120a24;font:500 1rem/1.2 var(--body);text-decoration:none;white-space:nowrap}
.btn:hover{background:#d6b0fd;color:#120a24}

/* Content column */
.prose{padding:0 16px 1rem}
.prose>*{max-width:var(--measure);margin-left:auto;margin-right:auto}
.prose>.wide{max-width:var(--wide)}
.crumbs{margin-top:2.5rem;font-size:.92rem;color:var(--dim)}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
.crumbs li+li::before{content:"/";margin:0 .55em;color:rgba(136,145,168,.6)}
.crumbs a{color:var(--dim);text-decoration:none}
.crumbs a:hover{color:var(--text)}

h1,h2,h3{font-family:var(--display);color:#fff;text-wrap:balance}
h1{font-weight:300;font-size:clamp(2.45rem,1.5rem + 3.9vw,4.4rem);line-height:1.02;letter-spacing:.005em;margin-top:.9rem;margin-bottom:1.1rem}
h2{font-weight:300;font-size:clamp(1.8rem,1.45rem + 1.3vw,2.4rem);line-height:1.12;letter-spacing:.015em;margin-top:3.4rem;margin-bottom:.9rem;padding-top:1.4rem;border-top:1px solid var(--border)}
h3{font-weight:400;font-size:1.36rem;line-height:1.25;letter-spacing:.03em;margin-top:2.1rem;margin-bottom:.45rem}
h2,h3,section{scroll-margin-top:1.25rem}
p,ul,ol,dl,pre,.table-wrap{margin-top:0;margin-bottom:1.1rem}
ul,ol{padding-left:1.25rem}
li{margin-bottom:.45rem}
li::marker{color:var(--dim)}
.lede{font-size:clamp(1.15rem,1.05rem + .45vw,1.3rem);line-height:1.55;color:#dde1ea}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;margin-top:1.6rem;margin-bottom:2.2rem}
.cta span{color:var(--dim);font-size:.95rem}

/* At a glance */
.glance{display:grid;grid-template-columns:max-content 1fr;gap:.45rem 1.4rem;padding:1.1rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.glance dt,.facts dt{font:400 1.02rem/1.6 var(--display);letter-spacing:.06em;color:var(--dim)}
.glance dd,.facts dd{margin:0}
@media (max-width:480px){.glance{grid-template-columns:1fr;gap:0}.glance dd{margin-bottom:.55rem}}

/* Figures */
figure{margin-top:2.3rem;margin-bottom:2.3rem}
figure img{width:100%;border-radius:6px;background:#15111f}
figcaption{margin-top:.6rem;color:var(--dim);font-size:.92rem}

/* On this page */
.toc{margin-top:2.6rem;padding:1.1rem 0 .4rem;border-top:1px solid var(--border)}
.toc h2{margin:0 0 .5rem;padding:0;border:0;font-size:1.15rem;font-weight:400;letter-spacing:.06em;color:var(--dim)}
.toc ol{list-style:none;padding:0;columns:2 15rem;column-gap:2rem}
.toc li{margin:0 0 .3rem;break-inside:avoid}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}

/* Steps: a real sequence */
ol.steps{list-style:none;padding:0;counter-reset:step}
ol.steps>li{counter-increment:step;position:relative;padding-left:2.5rem;margin-bottom:1rem}
ol.steps>li::before{content:counter(step);position:absolute;left:0;top:-.12rem;width:1.7rem;text-align:right;font:300 1.65rem/1.2 var(--display);color:var(--violet)}

.note{border-left:2px solid var(--sky);padding:.15rem 0 .15rem 1rem}

/* Code */
code,kbd,pre{font-family:var(--mono)}
code{font-size:.86em;padding:.08em .36em;border-radius:4px;background:rgba(255,255,255,.07);color:#e3e7f2;overflow-wrap:anywhere}
kbd{display:inline-block;min-width:1.6em;padding:.02em .4em;font-size:.8em;line-height:1.5;text-align:center;color:var(--text);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.18);border-bottom-width:2px;border-radius:4px}
pre{background:var(--panel);border:1px solid var(--border);border-radius:6px;padding:1rem 1.15rem;overflow-x:auto;font-size:.84rem;line-height:1.65;tab-size:4}
pre code{padding:0;background:none;font-size:inherit;overflow-wrap:normal;color:#dfe3ee}
pre .c{color:var(--dim)}
pre.diagram{background:none;border-style:dashed;color:var(--dim)}
pre.diagram b{font-weight:400;color:var(--text)}

/* Tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.97rem}
th{text-align:left;font:400 1rem/1.4 var(--display);letter-spacing:.06em;color:var(--dim);padding:.5rem 1rem .5rem 0;border-bottom:1px solid rgba(255,255,255,.22)}
td{padding:.55rem 1rem .55rem 0;border-bottom:1px solid var(--border);vertical-align:top}
td:first-child code,td:first-child kbd{white-space:nowrap}
td code{overflow-wrap:normal}
.utable th:first-child{width:36%}
.utable th:nth-child(2){width:15%}
h3 code{font-size:.8em;background:none;padding:0;color:var(--violet)}
@media (max-width:640px){
  .stack thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
  .stack tr{display:grid;grid-template-columns:auto 1fr;gap:.15rem .9rem;padding:.7rem 0;border-bottom:1px solid var(--border)}
  .stack td{display:block;padding:0;border:0}
  .stack td:last-child,.stack.labels td{grid-column:1/-1}
  .stack td[data-label]::before{content:attr(data-label) ": ";color:var(--dim)}
}

.idlist{display:flex;flex-wrap:wrap;gap:.35rem .4rem;list-style:none;padding:0}
.idlist li{margin:0}

/* Engines: contact sheet */
.sheet{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem .75rem;margin-top:2.2rem;margin-bottom:1rem}
.sheet li{margin:0}
.sheet a{display:block;color:var(--dim);text-decoration:none}
.sheet img{border-radius:4px;outline:1px solid var(--border);outline-offset:0;background:#15111f;aspect-ratio:16/9;object-fit:cover}
.sheet span{display:flex;justify-content:space-between;gap:.5rem;margin-top:.45rem;font:400 1.04rem/1.25 var(--display);letter-spacing:.05em}
.sheet kbd{font-size:.72rem;color:var(--dim)}
.sheet a:hover,.sheet a:focus-visible{color:#fff}
.sheet a:hover img{outline:2px solid var(--violet)}
@media (min-width:620px){.sheet{grid-template-columns:repeat(3,1fr)}}
@media (min-width:940px){.sheet{grid-template-columns:repeat(4,1fr)}}

.engine{margin-top:3.6rem;padding-top:1.6rem;border-top:1px solid var(--border)}
.engine figure{margin:0 0 1.2rem}
.engine h2{margin-top:0;padding-top:0;border:0}
.facts{display:grid;grid-template-columns:5.4rem 1fr;gap:.35rem 1.2rem;margin-top:1.2rem}
@media (min-width:940px){
  .engine{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:2.4rem;align-items:start}
  .engine figure{margin:0}
}

/* Related + footer */
.related ul{list-style:none;padding:0}
.related li{margin-bottom:.8rem}
.related a{font-weight:500}
.site-foot{margin-top:4.5rem;border-top:1px solid var(--border);color:var(--dim);font-size:.95rem}
.foot-in{width:min(100% - 32px,var(--wide));margin:0 auto;padding:2rem 0 3rem}
.site-foot ul{list-style:none;margin:0 0 1.2rem;padding:0;display:flex;flex-wrap:wrap;gap:.3rem 1.4rem}
.site-foot a{color:var(--dim)}
.site-foot nav a{text-decoration:none}
.site-foot nav a:hover{text-decoration:underline}
.site-foot a:hover{color:var(--text)}
.site-foot p{margin:0}

@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
  a,.btn,.sheet img{transition:color .15s,background-color .15s,outline-color .15s,text-decoration-color .15s}
}
@media print{.site-head,.site-foot,.cta,.toc{display:none}body,h1,h2,h3,strong{background:#fff;color:#000}}