:root { --bg:#0b0f14; --card:#111826; --text:#e6edf3; --muted:#9aa7b2; --line:#1f2a37; }
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}
a{color:var(--text);text-decoration:none}
a:hover{text-decoration:underline}
.topbar{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(11,15,20,.95);backdrop-filter: blur(8px)}
.brand{font-weight:700}
.nav{display:flex;gap:14px}
.range{display:flex;gap:8px;align-items:center}
select,input,button{background:var(--card);border:1px solid var(--line);color:var(--text);padding:8px;border-radius:10px}
button{cursor:pointer}
.container{max-width:1200px;margin:0 auto;padding:16px}
.subhead{display:flex;align-items:baseline;justify-content:space-between;margin:10px 0 18px}
.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:0 10px 20px rgba(0,0,0,.15)}
.card h3{margin:0 0 8px;font-size:14px;color:var(--muted);font-weight:600}
.big{font-size:28px;font-weight:800}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top}
.badge{display:inline-block;padding:3px 8px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px}
.row{display:flex;gap:12px;align-items:center;justify-content:space-between}
.footer{padding:18px;text-align:center;border-top:1px solid var(--line)}
@media (max-width: 900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .topbar{flex-wrap:wrap}
}

/* --- Severity badges --- */
.sev-low { color: #9aa7b2; border-color: #2a3a49; }
.sev-med { color: #c7b06b; border-color: #3a3420; }
.sev-high{ color: #e07a7a; border-color: #3b1f1f; }