:root{
  /* Light theme (default) */
  --bg:#f6f8fb;--card:#ffffff;--muted:#5a6b78;--text:#0b1a2b;
  --accent:#0b78d1;--accent-2:#2bb673;--line:#dbe5ee;
  --crit:#c62828;--high:#ef6c00;--med:#b28a00;--low:#2e7d32;
  --badge-bg:#eef6ff;--badge-br:#cfe6ff;--tag-bg:#eef4f8;--tag-br:#d8e4ec;
  --link:#0b5cab;
}
html[data-theme="dark"]{
  /* Dark overrides */
  --bg:#0b0d10;--card:#10161b;--muted:#99a7b3;--text:#e9eef2;
  --accent:#4bb3fd;--accent-2:#54e1a6;--line:#1f2a33;
  --crit:#ff6b6b;--high:#ffb454;--med:#ffd166;--low:#6ee7b7;
  --badge-bg:#112536;--badge-br:#234b69;--tag-bg:#13202b;--tag-br:#193446;
  --link:#a6d8ff;
}

/* Base */
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--link)}
.wrapper{max-width:1220px;margin:0 auto;padding:20px}
.header{display:flex;align-items:center;justify-content:space-between;margin:6px 0 12px}
.brand{font-weight:900;letter-spacing:.3px}
.nav{display:flex;gap:14px;align-items:center}
.nav a{text-decoration:none;color:var(--muted)} .nav a:hover{color:var(--text)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:12px 0}
h1{font-size:28px;margin:6px 0 8px} h2{font-size:20px;margin:0 0 10px} h3{font-size:16px;margin:0 0 8px}
.small{font-size:12px;color:var(--muted)} .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,'Liberation Mono','Courier New',monospace}

/* KPIs */
.kpi{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.kpi .tile{background:#eef4fb;border:1px solid #d5e5f6;border-radius:10px;padding:12px;text-align:center}
.kpi .v{font-size:22px;font-weight:900;color:var(--text)} .kpi .l{font-size:12px;color:#6e879b}
html[data-theme="dark"] .kpi .tile{background:#0f2433;border-color:#12304a} html[data-theme="dark"] .kpi .l{color:#8fb4cd}

/* Controls */
.controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
select,input[type="text"],input[type="number"]{background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--text);padding:8px}
html[data-theme="dark"] select,html[data-theme="dark"] input{background:#0f2433;border-color:#12304a;color:#e9eef2}
.btn{display:inline-block;background:var(--accent);color:#001018;text-decoration:none;font-weight:800;padding:10px 14px;border-radius:10px;border:1px solid #0b5cab}
.btn:hover{filter:brightness(1.05)}
.btn-outline{display:inline-block;color:var(--accent);text-decoration:none;font-weight:800;padding:10px 14px;border-radius:10px;border:1px solid #0b5cab;background:transparent}
.theme-switch{display:flex;gap:8px;align-items:center}

/* Charts */
.canvas{background:#fff;border:1px solid var(--line);border-radius:10px;width:100%;height:360px}
html[data-theme="dark"] .canvas{background:#0c1a25;border-color:#16324a}
.grid-2{display:grid;grid-template-columns:1.1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}

/* RU focus */
.progress-row{display:grid;grid-template-columns:260px 1fr 60px;gap:10px;align-items:center;margin:6px 0}
.progress-bg{background:#eef4fb;border:1px solid #d5e5f6;border-radius:999px;overflow:hidden;height:10px}
.progress-fill{height:10px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
html[data-theme="dark"] .progress-bg{background:#112536;border-color:#173a55}

/* Table */
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--line);padding:10px;text-align:left;color:var(--text);font-size:14px}
.badge{display:inline-block;border-radius:999px;padding:4px 8px;font-size:12px;border:1px solid var(--badge-br);background:var(--badge-bg);color:var(--text)}
.sev{font-weight:800;padding:4px 8px;border-radius:8px;border:1px solid transparent}
.sev.critical{background:#fdeaea;border-color:rgba(198,40,40,.35);color:var(--crit)}
.sev.high{background:#fff1e3;border-color:rgba(239,108,0,.35);color:var(--high)}
.sev.medium{background:#fff8df;border-color:rgba(178,138,0,.35);color:var(--med)}
.sev.low{background:#ecfbf4;border-color:rgba(46,125,50,.35);color:var(--low)}
html[data-theme="dark"] .sev.critical{background:rgba(255,107,107,.18);border-color:rgba(255,107,107,.35);color:var(--crit)}
html[data-theme="dark"] .sev.high{background:rgba(255,180,84,.20);border-color:rgba(255,180,84,.35);color:var(--high)}
html[data-theme="dark"] .sev.medium{background:rgba(255,209,102,.22);border-color:rgba(255,209,102,.35);color:var(--med)}
html[data-theme="dark"] .sev.low{background:rgba(110,231,183,.20);border-color:rgba(110,231,183,.35);color:var(--low)}

/* Responsive */
@media(max-width:1000px){.grid-2{grid-template-columns:1fr}.kpi{grid-template-columns:repeat(3,1fr)}}