:root{
  --bg:#070b14;
  --fg:#eaf0ff;
  --muted:#b7c2df;
  --card:#101a30;
  --accent:#7aa7ff;
  --border:#243252;
  --focus:#ffd36a;
  --shadow: 0 12px 40px rgba(0,0,0,.35);
}
[data-theme="light"]{
  --bg:#ffffff;
  --fg:#08101f;
  --muted:#344568;
  --card:#f2f6ff;
  --accent:#2b6bff;
  --border:#d6e0ff;
  --focus:#ffb000;
  --shadow: 0 12px 40px rgba(10,40,120,.10);
}
*{box-sizing:border-box}
html{font-size:18px}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--fg);
  line-height:1.55;
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
header{
  position:sticky; top:0;
  background:color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
  z-index:20;
}
.wrap{max-width:1100px; margin:0 auto; padding:16px}
.topbar{display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:10px;}
.logo{display:flex; align-items:center; gap:10px; font-weight:900; letter-spacing:.2px;}
.logo .mark{
  width:34px; height:34px; display:inline-grid; place-items:center;
  background:var(--card); border:1px solid var(--border);
  border-radius:12px; box-shadow: var(--shadow);
}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:6px 10px; border:1px solid var(--border);
  border-radius:999px; color:var(--muted); font-size:.92rem;
}
.controls{display:flex; flex-wrap:wrap; gap:10px; align-items:center}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:10px 12px; border:1px solid var(--border);
  border-radius:14px; background:var(--card); color:var(--fg); cursor:pointer;
}
.btn:hover{filter:brightness(1.06)}
.btn:focus{outline:3px solid var(--focus); outline-offset:2px}
.btn.primary{background: var(--accent); color:#06102a; border-color: transparent; font-weight:800;}
nav{display:flex; flex-wrap:wrap; gap:10px; align-items:center; margin-top:12px;}
main{padding:22px 0 64px}
.card{
  background:var(--card); border:1px solid var(--border);
  border-radius:20px; padding:18px; box-shadow: var(--shadow);
}
.small{font-size:.95rem; color:var(--muted)}
h1{margin:0 0 10px; font-size:2.05rem; letter-spacing:-.3px}
h2{margin:14px 0 10px; font-size:1.25rem}
p{margin:0 0 12px; color:var(--muted)}
.grid{display:grid; grid-template-columns: repeat(3, 1fr); gap:12px;}
@media (max-width: 950px){ .grid{grid-template-columns:1fr} }
.tile{
  display:flex; flex-direction:column; gap:8px;
  padding:14px; border:1px solid var(--border);
  border-radius:18px;
  background:color-mix(in srgb, var(--card) 94%, transparent);
}
.tile strong{font-size:1.05rem; color:var(--fg)}
.tile span{color:var(--muted)}
.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size:.9rem; padding:2px 8px; border:1px solid var(--border);
  border-radius:999px; color:var(--fg);
}
.hero{text-align:center; padding:22px 12px;}
.hero .subtitle{max-width:820px; margin:0 auto 14px; color:var(--muted)}
.search{
  max-width:820px; margin:14px auto 6px;
  display:flex; align-items:center; gap:10px; padding:10px;
  border-radius:999px;
  background:color-mix(in srgb, var(--card) 92%, transparent);
  border:1px solid var(--border);
}
.search input{
  flex:1; padding:12px 10px; border:none; background:transparent;
  color:var(--fg); font-size:1.05rem;
}
.search input:focus{outline:none}
.iconbtn{
  border:1px solid var(--border); background:var(--card); color:var(--fg);
  border-radius:999px; padding:10px 12px; cursor:pointer;
}
.iconbtn:focus{outline:3px solid var(--focus); outline-offset:2px}
.actions{display:flex; gap:10px; justify-content:center; flex-wrap:wrap; margin-top:10px;}
.links{display:grid; grid-template-columns: 1fr 1fr; gap:12px;}
@media (max-width: 950px){ .links{grid-template-columns:1fr} }
.links ul{margin:8px 0 0 18px}
.links li{margin:6px 0}
footer{border-top:1px solid var(--border); color:var(--muted); padding:18px 0;}
.visually-hidden{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
/* Labels */
.pill{display:inline-flex; gap:8px; align-items:center; padding:6px 10px; border-radius:999px; border:1px solid var(--border); background:color-mix(in srgb, var(--card) 92%, transparent); margin:4px 6px 4px 0;}
.pill.ok{border-color: color-mix(in srgb, #29d96c 55%, var(--border));}
.pill.warn{border-color: color-mix(in srgb, #ffb703 60%, var(--border));}
.pill.bad{border-color: color-mix(in srgb, #ff4d4d 60%, var(--border));}