/* TEA+T+CHER — teatcher.com
   Layout inspired by qbit.news: high-signal, low-noise “newswire” single-column style.
*/

:root{
  --bg:#0b0b0c;
  --fg:#f5f5f5;
  --muted:rgba(245,245,245,0.75);
  --faint:rgba(245,245,245,0.55);
  --line:rgba(245,245,245,0.16);
  --card:rgba(245,245,245,0.04);
  --link:#cfd6ff;
  --max:980px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--fg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  line-height:1.55;
}

a{color:var(--link); text-decoration:none}
a:hover{text-decoration:underline}

.wrap{max-width:var(--max); margin:0 auto; padding:18px 18px 40px}

.topline{
  font-size:12px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
  padding:10px 0 12px;
}

.brand{
  margin:14px 0 2px;
  font-size:14px;
  color:var(--muted);
}

.h1{
  margin:8px 0 0;
  font-size:30px;
  letter-spacing:0.02em;
}

.kicker{
  margin:6px 0 14px;
  font-size:13px;
  color:var(--muted);
}

.nav{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin:10px 0 8px;
}
.nav a{
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--card);
  font-size:12px;
}

.meta{
  margin:10px 0 18px;
  padding:10px 12px;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:10px;
  font-size:12px;
  color:var(--muted);
}
.meta strong{color:var(--fg); font-weight:700}

.h2{
  margin:18px 0 8px;
  font-size:18px;
}

.section{
  padding:14px 0;
  border-top:1px solid var(--line);
}

ul{margin:8px 0 0; padding-left:18px}
li{margin:6px 0; color:var(--fg)}

.callout{
  margin:12px 0 0;
  padding:10px 12px;
  border-left:3px solid var(--line);
  background:var(--card);
  color:var(--muted);
}

.grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:12px;
  margin-top:10px;
}
.card{
  border:1px solid var(--line);
  background:var(--card);
  border-radius:12px;
  padding:12px;
}
.card .title{
  font-size:13px;
  color:var(--fg);
  margin:0 0 6px;
}
.card .text{font-size:12px; color:var(--muted); margin:0}

.details{
  border:1px solid var(--line);
  background:var(--card);
  border-radius:12px;
  padding:10px 12px;
  margin-top:10px;
}
details summary{
  cursor:pointer;
  color:var(--fg);
  font-size:13px;
}
details p, details li{color:var(--muted); font-size:12px}
details ul{margin-top:8px}

.footer{
  margin-top:26px;
  padding-top:18px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:12px;
}

.footer h3{
  margin:14px 0 6px;
  font-size:12px;
  color:var(--fg);
}

.footer .cols{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:12px;
}
.footer .box{
  border:1px solid var(--line);
  background:var(--card);
  border-radius:12px;
  padding:12px;
}
.footer .box div{margin:4px 0}

.small{color:var(--faint)}
hr.sep{border:none;border-top:1px solid var(--line); margin:14px 0}

@media (max-width:860px){
  .grid{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr}
  .h1{font-size:26px}
}

/* Print / PDF */
@media print{
  :root{
    --bg:#ffffff;
    --fg:#000000;
    --muted:rgba(0,0,0,0.70);
    --faint:rgba(0,0,0,0.55);
    --line:rgba(0,0,0,0.18);
    --card:#ffffff;
    --link:#0000EE;
  }
  body{background:#fff}
  .nav a{background:#fff}
  a{text-decoration:none}
  .wrap{max-width:860px}
}