:root {
  --bg:#0b0f15;
  --fg:#e5e7eb;
  --muted:#9ca3af;
  --accent:#60a5fa;
  --card:#111827;
  --border:#1f2937;
}

* { box-sizing:border-box }
body {
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto;
  line-height:1.7;
  background:var(--bg);
  color:var(--fg);
}

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

.header {
  padding:20px;
  border-bottom:1px solid var(--border);
  background:linear-gradient(180deg,#0b0f15 0%, #0b0f1500 100%);
}

.header .container {
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}

.header img {
  max-height:200px;
  height:200px;
  width:auto;
}

.title {
  font-size:28px;
  font-weight:700;
  margin:0 0 4px 0;
}

.subtitle {
  color:var(--muted);
  margin:0 0 8px 0;
  font-size:16px;
}

nav {
  margin-top:8px;
}
nav a {
  display:inline-block;
  margin-right:12px;
  padding:8px 12px;
  border:1px solid var(--border);
  border-radius:6px;
  background:var(--card);
  font-size:14px;
}

.container {
  max-width:980px;
  margin:0 auto;
  padding:20px;
}

.actions a {
  display:inline-block;
  margin-right:12px;
  padding:10px 14px;
  border:1px solid var(--border);
  border-radius:8px;
  background:var(--card);
}

main { padding:20px }

.content h1,.content h2,.content h3 { margin-top:32px }
.content h1 { font-size:24px }
.content h2 { font-size:20px; padding-top:12px; border-top:1px solid var(--border) }
.content h3 { font-size:18px }
.content p { margin:10px 0 }

pre {
  background:#0a0f19;
  border:1px solid var(--border);
  padding:12px;
  border-radius:8px;
  overflow:auto;
}

ul { padding-left:22px }

.footer {
  border-top:1px solid var(--border);
  color:var(--muted);
  padding:24px 20px;
  text-align:center;
  font-size:14px;
}

.notice {
  background:#0a0f19;
  border:1px dashed var(--border);
  padding:12px;
  border-radius:8px;
  margin:16px 0;
}

.viewer {
  margin:24px 0;
  border:1px solid var(--border);
  border-radius:8px;
  overflow:hidden;
  height:70vh;
  background:#0a0f19;
}
.viewer object {
  width:100%;
  height:100%;
}

.badge {
  display:inline-block;
  background:#0a0f19;
  border:1px solid var(--border);
  padding:4px 8px;
  border-radius:6px;
  color:var(--muted);
  font-size:12px;
  margin-right:8px;
}

/* Responsive tweaks */
@media (max-width:768px) {
  .header .container {
    flex-direction:column;
    align-items:flex-start;
  }
  .title { font-size:22px }
  .subtitle { font-size:14px }
  nav a { margin-bottom:6px }
}