*{box-sizing:border-box}
body{margin:0;font-family:system-ui;background:#0b0e14;color:#e6e6eb}
header{padding:14px;background:#111528;border-bottom:1px solid #1f2547}
h1{margin:0;font-size:20px}
.meta{opacity:.75}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:12px}
.card{background:#111528;border:1px solid #1f2547;border-radius:10px;padding:12px}
.card.full{grid-column:1/-1}
pre{height:260px;overflow:auto;background:#0b0e14;padding:8px;border-radius:8px}