:root{
  --bg:#0b0f14;
  --card:#111822;
  --text:#e8eef6;
  --muted:rgba(232,238,246,.72);
  --border:rgba(255,255,255,.12);
  --accent:#7ddc64;
  --shadow:0 12px 40px rgba(0,0,0,.45);
  --radius:18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:linear-gradient(180deg, #070a0f, var(--bg)); color:var(--text); font-family:var(--sans); }
a{ color:inherit; }

.top{
  position:sticky;
  top:0;
  z-index:10;
  padding:16px 18px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  background:rgba(7,10,15,.82);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}

.brand{ display:flex; gap:12px; align-items:center; }
.logo{
  width:44px; height:44px;
  border-radius:12px;
  background: linear-gradient(180deg, rgba(125,220,100,.22), rgba(125,220,100,.08));
  border:1px solid rgba(125,220,100,.35);
  box-shadow: var(--shadow);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--mono);
  font-weight:900;
  letter-spacing:.6px;
}

.title{ font-weight:900; font-size:16px; }
.subtitle{ font-size:12px; color:var(--muted); margin-top:2px; }
.muted{ color:var(--muted); }
.wrap{ max-width:880px; margin:18px auto 28px; padding:0 16px; }

.lang{ display:flex; gap:8px; }
.pill{
  border:1px solid var(--border);
  background: rgba(17,24,34,.6);
  color: var(--text);
  padding:10px 12px;
  border-radius:999px;
  cursor:pointer;
  font-weight:800;
  font-size:12px;
}
.pill[aria-pressed="true"]{
  border-color: rgba(125,220,100,.45);
  background: rgba(125,220,100,.12);
}

.card{
  background: rgba(17,24,34,.78);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  margin: 14px 0;
}

h1{ margin:0 0 10px; font-size:22px; }
h2{ margin:16px 0 8px; font-size:16px; }
p{ line-height:1.65; margin: 8px 0; }
strong{ font-weight: 900; }

.foot{
  margin-top: 16px;
  padding: 10px 4px;
  text-align:center;
  font-size: 12px;
}