:root{--bg:#0e1011;--fg:#d5d8d3;--dim:#7b827c;--line:#23282a;--sel:#161a1b;--acc:#9bbf85;--mono:ui-monospace,"JetBrains Mono","Cascadia Mono",Menlo,Consolas,monospace}
body[data-lang=html]{--acc:#d28f63}body[data-lang=rust]{--acc:#d99a6c}body[data-lang=python]{--acc:#86a8d4}
body[data-lang=java]{--acc:#d6a85f}body[data-lang=c]{--acc:#98a9bd}body[data-lang=ruby]{--acc:#cf7a86}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.65 var(--mono);-webkit-text-size-adjust:100%}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--sel);padding:6px 10px;z-index:9}.skip:focus{left:8px}
.dim,.meta{color:var(--dim)}

/* top bar */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:28px;padding:14px 28px;background:var(--bg);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:600;letter-spacing:.02em}
#langbar{display:flex;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
#langbar::-webkit-scrollbar{display:none}
#langbar a{padding:4px 12px;font-size:13px;letter-spacing:.1em;color:var(--dim);border-bottom:2px solid transparent;white-space:nowrap;transition:color .15s,border-color .15s}
#langbar a:hover{color:var(--fg)}
#langbar a[aria-current=page]{color:var(--acc);border-color:var(--acc)}
.switch{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;font-size:12px;letter-spacing:.08em}
.switch a{padding:5px 12px;color:var(--dim);transition:background .15s,color .15s}
.switch a:hover{color:var(--fg)}
.switch a[aria-current=true]{background:var(--sel);color:var(--acc)}
@media(max-width:760px){.top{padding:12px 16px;gap:10px 14px}.brand{order:1}.switch{order:2;margin-left:auto}#langbar{order:3;flex-basis:100%}}

/* UI mode */
#view{max-width:860px;margin:0 auto;padding:64px 28px 120px;outline:0}
#view.wide{max-width:none;padding:0}
.hero{margin-bottom:72px}
.kicker{color:var(--dim);font-size:13px;margin:0 0 18px}
h1{font-size:clamp(34px,7vw,64px);line-height:1.08;margin:0 0 22px;font-weight:600;letter-spacing:-.03em}
.hero p{max-width:560px;color:#aab0a9;margin:0 0 14px}
.links{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:26px}
.links a{color:var(--fg);border-bottom:1px solid var(--line);transition:border-color .15s,color .15s}
.links a:hover{color:var(--acc);border-color:var(--acc)}
section.blk{margin-top:64px}
h2{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:400;color:var(--dim);margin:0 0 18px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.row{display:flex;justify-content:space-between;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}
.row h3{font-size:16px;margin:0 0 2px;font-weight:600}
.row h3 a:hover{color:var(--acc)}
.row p{margin:0;color:#aab0a9;max-width:560px}
.tags{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:6px;font-size:12px;color:var(--dim)}
.repo{font-size:13px;color:var(--dim);white-space:nowrap;align-self:flex-start;padding-top:3px}
.repo:hover{color:var(--acc)}
.empty{color:var(--dim);font-style:italic;margin:0;padding:6px 0}
.chip{display:inline-block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--line);border-radius:99px;padding:2px 10px;color:var(--acc);vertical-align:middle;margin-left:12px}
.langlist a{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);transition:padding .2s}
.langlist a:hover{padding-left:8px;color:var(--acc)}
.files a{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line)}
.files a:hover{color:var(--acc)}
.fade{animation:in .25s ease both}
@keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Code mode */
.code{display:grid;grid-template-columns:260px 1fr;height:calc(100vh - 118px);min-height:360px}
.tree{border-right:1px solid var(--line);overflow:auto;padding:14px 0;font-size:13px}
.tree details{margin-left:12px}.tree summary{cursor:pointer;color:var(--dim);padding:2px 12px 2px 0;list-style:none}
.tree summary::before{content:"▸ "}.tree details[open]>summary::before{content:"▾ "}
.tree a{display:block;padding:2px 12px 2px 16px;margin-left:12px;color:#aab0a9;border-left:2px solid transparent}
.tree>a{margin-left:0}
.tree a:hover{color:var(--fg)}.tree a.ctx{color:var(--fg)}
.tree a[aria-current=page]{color:var(--acc);border-color:var(--acc);background:var(--sel)}
.editor{display:flex;flex-direction:column;min-width:0}
.ebar{display:flex;gap:16px;justify-content:space-between;padding:10px 20px;border-bottom:1px solid var(--line);font-size:13px;flex-wrap:wrap}
.ebar .path{color:var(--acc)}
.note{padding:10px 20px;background:var(--sel);color:var(--dim);font-size:13px;border-bottom:1px solid var(--line)}
pre{margin:0;padding:14px 0;overflow:auto;flex:1;font-size:13px;line-height:1.6;counter-reset:l;tab-size:4}
pre code{display:block;min-width:max-content;font:inherit}
.l{display:block;padding:0 20px 0 0;white-space:pre}
.l::before{counter-increment:l;content:counter(l);display:inline-block;width:56px;padding-right:18px;text-align:right;color:#4a514b;user-select:none}
.t1{color:#6b746c;font-style:italic}.t2{color:var(--acc)}.t3{color:#d6a85f}.t4{color:#86a8d4}.t5{color:#cf7a86}
.cmd{display:flex;gap:10px;align-items:center;padding:8px 20px;border-top:1px solid var(--line);font-size:13px;position:sticky;bottom:0;background:var(--bg)}
.cmd label{color:var(--acc)}
.cmd input{flex:1;min-width:0;background:transparent;border:0;color:var(--fg);font:inherit;outline:0}
.cmd input:focus-visible{outline:0}.cmd:focus-within{border-top-color:var(--acc)}
.cmd output{color:var(--dim);max-width:55%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#files-btn{display:none;background:none;border:1px solid var(--line);color:var(--dim);font:inherit;font-size:12px;padding:2px 10px;border-radius:5px;cursor:pointer}
@media(max-width:760px){.code{grid-template-columns:1fr;grid-template-rows:auto 1fr;height:calc(100vh - 150px)}
 .tree{display:none;max-height:40vh;border-right:0;border-bottom:1px solid var(--line)}.code.open .tree{display:block}
 #files-btn{display:inline-block}.cmd output{display:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}