/* Crossweft tokens (owner kit SITE/code/tokens.css). Pink #E3304B means "sides disagree" only. */
:root{--cw-terracotta:#C4502F;--cw-cream:#EFE0B6;--cw-kraft:#D9CDB5;--cw-sand:#CFC4AE;--cw-ink:#141210;--cw-screen:#2F3B2C;--cw-phosphor:#9BC27A;--cw-seam:#E3304B;--cw-seam-soft:#E88A7A;--cw-muted:#5A4A3E;
  --display:'Oswald',sans-serif;--body:'Onest',sans-serif;--mono:'JetBrains Mono',monospace;--pixel:'VT323',monospace;--rule:3px solid var(--cw-ink)}
*{box-sizing:border-box}
body{margin:0;background:var(--cw-kraft);color:var(--cw-ink);font-family:var(--body);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:underline;text-underline-offset:3px}
a:hover{color:var(--cw-terracotta)}
.wrap{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
@media (max-width:600px){.wrap{padding-left:16px;padding-right:16px}}
.mono{font-family:var(--mono)}
h1,h2{margin:0;font-family:var(--display);font-weight:600;text-transform:uppercase}
h2{font-size:clamp(40px,5vw,64px);line-height:.95}

/* Site strip: the happyin.work top bar, so the reader can always get back to the site */
.site{background:#14130f;border-bottom:1px solid #2a2720;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#a99c82}
.site .wrap{display:flex;gap:18px;align-items:center;flex-wrap:wrap;padding-top:9px;padding-bottom:9px}
.site a{color:#a99c82;text-decoration:none}
.site a:hover,.site a.on,.site a.brand{color:#ff5b1f}
.site a.brand{font-weight:700}
.site .sep{border-left:1px solid #2a2720;height:12px}
.site .grow{flex:1}

/* Product header and hero */
.top{background:var(--cw-terracotta);color:var(--cw-cream)}
.top a:hover{color:var(--cw-ink)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-top:20px;padding-bottom:20px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo b{font-family:var(--display);font-weight:600;font-size:26px;text-transform:uppercase;letter-spacing:.02em}
.nav{display:flex;gap:28px;align-items:center;font-size:15px;font-weight:500;flex-wrap:wrap}
.nav a{text-decoration:none}
.gh{background:var(--cw-cream);color:var(--cw-ink)!important;padding:8px 14px;font-family:var(--pixel);font-size:19px}
.hero{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;padding-top:56px;padding-bottom:48px}
.kicker{font-family:var(--pixel);font-size:21px;letter-spacing:.04em;overflow-wrap:anywhere}
.hero h1{font-size:clamp(56px,10vw,148px);line-height:.9;letter-spacing:-.005em;text-wrap:balance}
.hero-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap}
.lead{margin:0;max-width:560px;font-size:clamp(18px,2vw,22px);line-height:1.4;text-wrap:pretty}
.install{display:flex;flex-direction:column;gap:12px;min-width:0;max-width:100%}
.cmd{display:flex;align-items:stretch;background:var(--cw-screen);color:var(--cw-phosphor);font-family:var(--mono);font-size:15px;max-width:100%}
.cmd code{padding:14px 16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;font-family:inherit}
.cmd button{border:0;background:var(--cw-phosphor);color:var(--cw-ink);font-family:var(--pixel);font-size:20px;padding:0 16px;cursor:pointer;flex:none}
.cmd button:hover{background:var(--cw-cream)}
.garden{position:relative;height:200px;background:var(--cw-sand)}
.garden pixel-garden{position:absolute;inset:0;display:block;overflow:hidden}

/* Problem + demo */
.problem{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:48px;align-items:start;padding-top:96px;padding-bottom:40px}
.problem p{margin:0;font-size:19px;line-height:1.5;max-width:520px;text-wrap:pretty}
.stack{display:flex;flex-direction:column;gap:20px}
.demo{border:var(--rule);background:var(--cw-cream)}
.demo-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:var(--rule);gap:12px;flex-wrap:wrap}
.demo-head span{font-family:var(--pixel);font-size:21px}
.demo-head button{border:var(--rule);background:var(--cw-ink);color:var(--cw-cream);font-family:var(--body);font-weight:700;font-size:14px;padding:8px 12px;cursor:pointer}
.demo-head button:hover{background:var(--cw-terracotta)}
.sides{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));font-family:var(--mono);font-size:14px}
.side{padding:16px;display:flex;flex-direction:column;gap:6px;min-width:0}
.side+.side{border-left:var(--rule)}
.side .file{color:var(--cw-muted)}
.side b{font-size:18px}
.cable{height:8px;background:#8FA866;border-top:var(--rule);border-bottom:var(--rule)}
.term{background:var(--cw-screen);color:var(--cw-phosphor);font-family:var(--mono);font-size:14px;line-height:1.6;padding:16px 18px;min-height:120px;overflow-wrap:anywhere}
.term .p{color:var(--cw-cream)}
.term .bad{color:var(--cw-seam-soft)}

/* How it works */
.how{padding-top:64px;padding-bottom:64px}
.how h2{margin-bottom:40px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));border:var(--rule);background:var(--cw-cream)}
.step{padding:28px;display:flex;flex-direction:column;gap:16px;border-right:var(--rule)}
.step:last-child{border-right:0}
@media (max-width:860px){.step{border-right:0;border-bottom:var(--rule)}.step:last-child{border-bottom:0}}
.step .ico{display:flex;align-items:flex-end;gap:10px;line-height:0;height:80px}
.step h3{margin:0;font-family:var(--pixel);font-weight:400;font-size:26px}
.step p{margin:0;font-size:17px;line-height:1.45;text-wrap:pretty}
.agents{margin-top:24px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:16px;font-size:16px;line-height:1.45}

/* Install */
.try{background:var(--cw-ink);color:var(--cw-cream)}
.try a:hover{color:var(--cw-phosphor)}
.try .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:48px;align-items:start;padding-top:80px;padding-bottom:80px}
.try p{margin:0;font-size:18px;line-height:1.5;max-width:460px;text-wrap:pretty}
.try pre{margin:0;background:var(--cw-screen);color:var(--cw-phosphor);font-family:var(--mono);font-size:14px;line-height:1.75;padding:22px 24px;border:3px solid var(--cw-phosphor);white-space:pre-wrap;overflow-wrap:anywhere}
.try pre .c{color:var(--cw-cream)}
.try pre .bad{color:var(--cw-seam-soft)}

/* Article + limits */
.read{padding-top:80px}
.read a.card{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;border:var(--rule);background:var(--cw-cream);padding:24px 28px;text-decoration:none}
.read a.card:hover{background:var(--cw-sand);color:inherit}
.read .label{font-family:var(--pixel);font-size:21px}
.read .title{font-family:var(--display);font-weight:600;font-size:clamp(24px,3vw,34px);line-height:1.05;text-transform:uppercase}
@media (max-width:600px){.read a.card{grid-template-columns:1fr}}
.limits{padding-top:80px;padding-bottom:80px}
.limits h2{margin-bottom:32px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:28px;font-size:17px;line-height:1.5}
.cols div{border-top:var(--rule);padding-top:16px;text-wrap:pretty}

/* Footer */
footer{background:var(--cw-terracotta);color:var(--cw-cream)}
footer .garden{height:96px}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-top:36px;padding-bottom:36px}
footer .brand{display:flex;align-items:center;gap:14px}
footer .brand b{display:block;font-family:var(--display);font-weight:600;font-size:30px;text-transform:uppercase;line-height:1}
footer .links{display:flex;gap:24px;font-size:15px;flex-wrap:wrap}
footer a:hover{color:var(--cw-ink)}
pixel-sprite{display:block;line-height:0}

/* Long words in other languages (German compounds, Russian) must wrap instead of widening the page */
h1,h2,h3{overflow-wrap:break-word;hyphens:auto}
/* VT323 and Oswald have no CJK glyphs: name a system CJK face before the generic fallback */
:lang(zh-Hans){--display:'Oswald','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;--body:'Onest','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;--pixel:'VT323','PingFang SC','Microsoft YaHei',monospace}
:lang(ja){--display:'Oswald','Hiragino Sans','Yu Gothic','Noto Sans JP',sans-serif;--body:'Onest','Hiragino Sans','Yu Gothic','Noto Sans JP',sans-serif;--pixel:'VT323','Hiragino Sans','Yu Gothic',monospace}
:lang(ja) h1,:lang(ja) h2,:lang(zh-Hans) h1,:lang(zh-Hans) h2{word-break:auto-phrase}
:lang(zh-Hans) .hero h1,:lang(ja) .hero h1{font-size:clamp(44px,8vw,120px);line-height:1.05}

/* Language switcher in the site strip: plain links, one per language, no script */
.langs{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.langs a{padding:2px 0}
.langs a[aria-current]{color:#ff5b1f;text-decoration:underline;text-underline-offset:3px}

/* Updates: newest release notes on the project page */
.updates{padding-top:80px}
.updates .head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.updates .note{margin:0;font-size:16px;line-height:1.45;max-width:560px}
.ulist{list-style:none;margin:0;padding:0;border:var(--rule);background:var(--cw-cream)}
.ulist li+li{border-top:var(--rule)}
.ulist a{display:grid;grid-template-columns:150px 110px minmax(0,1fr);gap:16px;align-items:baseline;padding:16px 20px;text-decoration:none}
.ulist a:hover{background:var(--cw-sand);color:inherit}
.ulist .v{font-family:var(--pixel);font-size:24px}
.ulist .d{font-family:var(--mono);font-size:13px;color:var(--cw-muted)}
.ulist .t b{display:block;font-size:18px}
.ulist .t span{display:block;font-size:15px;line-height:1.4;margin-top:2px}
@media (max-width:700px){.ulist a{grid-template-columns:auto 1fr}.ulist .t{grid-column:1/-1}}
.more{display:flex;gap:20px;flex-wrap:wrap;margin-top:16px;font-family:var(--mono);font-size:14px}

/* Update post and the list of all updates */
.top.slim .bar{padding-bottom:20px}
.post{max-width:760px;padding-top:56px;padding-bottom:80px}
.post .kicker{margin-bottom:12px}
.post h1{font-family:var(--display);font-weight:600;text-transform:uppercase;font-size:clamp(36px,6vw,64px);line-height:.98;margin:0 0 20px}
.post .lead{margin:0 0 28px}
.post .body{font-size:18px;line-height:1.55}
.post .body h2{font-size:clamp(26px,3vw,34px);margin:32px 0 12px}
.post .body code{font-family:var(--mono);font-size:.88em;background:var(--cw-sand);padding:1px 5px}
.post .body pre{background:var(--cw-screen);color:var(--cw-phosphor);font-family:var(--mono);font-size:14px;line-height:1.6;padding:16px 18px;white-space:pre-wrap;overflow-wrap:anywhere}
.post .body pre code{background:none;padding:0;font-size:inherit}
.post .body li+li{margin-top:6px}
.post .src{margin-top:32px;border-top:var(--rule);padding-top:16px;font-size:16px;line-height:1.5}
.post .pager{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:28px;font-family:var(--mono);font-size:14px}
.crumbs{font-family:var(--mono);font-size:13px;margin-bottom:20px}