:root {
  --bg:#0f1420; --panel:#171d2b; --panel-2:#1d2435; --border:#2a3247;
  --text:#e7ecf5; --muted:#8b96ad; --accent:#8b5cf6; --accent-2:#22d3ee;
  --up:#34d399; --warn:#f59e0b; --down:#f87171; --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Inter",system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
.topbar{position:sticky;top:0;background:rgba(15,20,32,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:20}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700}
.brand-dot{width:12px;height:12px;border-radius:4px;background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.topnav{display:flex;gap:22px}.topnav a{color:var(--muted);text-decoration:none;font-size:.9rem}.topnav a:hover{color:var(--text)}
main{padding:36px 20px 60px}
.page-head{margin-bottom:24px}
.tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-2);margin-bottom:8px}
h1{margin:0 0 8px;font-size:1.8rem;font-weight:800;letter-spacing:-.02em}
.lede{margin:0;color:var(--muted);max-width:640px;font-size:.98rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:820px){.two-col{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px}
.card h2{margin:0 0 18px;font-size:1.15rem;font-weight:700}
.form-grid{display:grid;gap:16px;margin-bottom:20px}
.form-grid label{display:grid;gap:6px;font-size:.85rem;color:var(--muted)}
input[type=range]{width:100%;accent-color:var(--accent)}
select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px}
.range-val{color:var(--text);font-weight:600}
.btn{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border:none;padding:12px 20px;border-radius:10px;font-weight:600;font-size:.95rem;cursor:pointer;transition:filter .2s}
.btn:hover{filter:brightness(1.08)}
.kpis{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:18px}
.kpi{background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:14px;text-align:center}
.kpi-num{display:block;font-size:1.3rem;font-weight:800;color:var(--accent-2)}
.kpi-label{display:block;color:var(--muted);font-size:.72rem;margin-top:4px}
@media(max-width:520px){.kpis{grid-template-columns:1fr}}
.var-diff{margin:0 0 16px;font-size:.92rem;color:var(--muted)}
.var-diff b{color:var(--text)}
.flags{list-style:none;padding:0;margin:0}
.flags li{padding:10px 12px;border-radius:8px;background:var(--panel-2);margin-bottom:8px;font-size:.88rem}
.flags li b{color:var(--accent-2)}
.chart-wrap{position:relative;height:280px}
.chart-lg{height:320px}
.footer{border-top:1px solid var(--border);padding:22px 0;color:var(--muted);font-size:.82rem}