:root{
  --bg:#0d1321;
  --panel:#111827;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --accent:#22c55e;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; font:16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text); background:radial-gradient(1200px 800px at 0% -10%, #162033 10%, var(--bg) 55%);
}
.container{max-width:1100px; margin:0 auto; padding:28px 20px 60px}
.header{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; padding:18px 20px; border-radius:16px;
  background:linear-gradient(180deg,#0f172a 0%, #0b1324 100%);
  box-shadow:0 10px 30px rgba(0,0,0,.35), inset 0 0 0 1px rgba(255,255,255,.03);
}
.title{margin:0; font-weight:700; letter-spacing:.3px; font-size:24px}
.subtitle{margin:2px 0 0; color:var(--muted); font-size:13px}
.actions{display:flex; gap:10px; flex-wrap:wrap}
.btn{
  display:inline-flex; align-items:center; gap:10px; cursor:pointer;
  padding:12px 16px; border-radius:10px; text-decoration:none; font-weight:600;
  color:#0a0a0a; background:var(--accent); transition:.2s transform ease, .2s opacity ease;
}
.btn.secondary{background:#1f2937; color:var(--text)}
.btn:hover{transform:translateY(-1px); opacity:.95} 
.section{margin-top:24px; background:#0f172a; border-radius:16px; overflow:hidden; box-shadow:0 8px 30px rgba(0,0,0,.35), inset 0 0 0 1px rgba(255,255,255,.03)}
.section .head{padding:14px 18px; border-bottom:1px solid rgba(255,255,255,.05); color:var(--muted); font-size:14px}
.viewer{height:78vh; min-height:520px; border:0; display:block; width:100%}
.footer{margin-top:22px; color:var(--muted); font-size:13px; display:flex; gap:10px; flex-wrap:wrap}
.footer a{color:#93c5fd; text-decoration:none}
.footer a:hover{text-decoration:underline}
.badge{background:#0b1220; border:1px solid rgba(255,255,255,.05); border-radius:8px; padding:2px 8px; font-size:12px; color:var(--muted)}