:root{
  --bg: #071013;
  --panel: #0b1a1f;
  --accent: #00ff99;
  --mono: "Courier New", Courier, monospace;
}

html,body{
  height:100%;
  margin:0;
  background:var(--bg);
  color:var(--accent);
  font-family:var(--mono);
}

.container{
  max-width:920px;
  margin:32px auto;
  padding:20px;
}

header{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}

h1{
  margin:0;
  font-size:18px
}
  
.sub{
  font-size:12px;
  color:rgba(0,255,153,0.85)
}

.layout{
  display:grid;
  grid-template-columns:1fr 260px;
  gap:18px;
}

article{
  background:var(--panel);
  padding:14px;
}

.meta{
  font-size:12px;
  color:rgba(0,255,153,0.85);
  margin-bottom:8px
}

.post-title{
  color:var(--accent);
  margin:6px 0 12px;
  font-size:16px}

.code{
  background:#001615;
  color:#b7ffdf;
  padding:10px;
  border-radius:4px;
  overflow:auto;
  font-size:13px;
}

aside{padding:12px}
.cat-heading{display:block;
  margin-bottom:8px;
  color:var(--accent)}

details{
  margin-bottom:8px;
  padding:8px;
  background:transparent;
}

summary{
  cursor:pointer;
  color:var(--accent);
  font-weight:600;
  list-style:none;
}

.cat-list{
  padding-left:14px;
  margin-top:8px;
}

.cat-list a{
  display:block;
  padding:6px 0;
  color:rgba(0,255,153,0.85);
  text-decoration:none;
}

footer{
  margin-top:16px;
  padding-top:10px;
  text-align:center;
  color:rgba(0,255,153,0.65);
  font-size:13px;
}

@media (max-width:850px){
  .layout{grid-template-columns:1fr}
}