:root{
  --bg:#071018;--panel:#0c1823;--panel2:#102231;--line:#203748;--text:#f1f7fb;--muted:#8ba3b5;--cyan:#52e3c2;--amber:#ffca5a;--red:#ff6b6b;--blue:#67b7ff;
}
*{box-sizing:border-box} body{margin:0;background:radial-gradient(circle at 15% 0%,#123047 0,#071018 36%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}.shell{max-width:1440px;margin:auto;padding:28px}.hero{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:20px}.hero h1{font-size:clamp(34px,5vw,66px);line-height:.96;margin:8px 0 14px;letter-spacing:-.05em}.hero h1 span{display:block;color:#98b4c8;font-size:.53em;font-weight:600;letter-spacing:-.03em;margin-top:10px}.hero p{max-width:900px;color:var(--muted);font-size:16px;line-height:1.6}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--cyan)}.status{border:1px solid var(--line);padding:10px 14px;border-radius:999px;background:#0b1620;color:var(--muted);white-space:nowrap}.panel,.card{background:linear-gradient(180deg,rgba(16,34,49,.94),rgba(9,22,32,.94));border:1px solid var(--line);box-shadow:0 18px 60px rgba(0,0,0,.18);border-radius:20px}.controls{display:grid;grid-template-columns:1.2fr 1fr 1fr auto;gap:12px;padding:16px;margin-bottom:16px}.controls label{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:7px}.controls input,.controls select{width:100%;background:#07131d;border:1px solid #244153;color:var(--text);border-radius:12px;padding:12px 13px;outline:none}.controls button{align-self:end;border:0;border-radius:12px;background:linear-gradient(135deg,#45e0c0,#58a9ff);color:#041018;padding:13px 18px;font-weight:900;cursor:pointer}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:16px 0}.card{padding:20px;min-height:132px}.label{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}.big{font-size:44px;font-weight:900;letter-spacing:-.05em;margin:10px 0 2px}.chart-panel{padding:20px;margin-bottom:16px}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:12px}.panel-head h2{margin:5px 0 0;font-size:21px}.legend{font-size:12px;color:var(--muted)}#aqiChart{width:100%;height:330px;background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,0));border-radius:14px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.grid2 .panel{padding:20px}.metric-stack{display:grid;gap:12px}.metric-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}.metric-row:last-child{border-bottom:0}.metric-row span{color:var(--muted)}.pill{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:5px 9px;font-size:12px}.table-wrap{overflow:auto}.panel:has(table){padding:20px}table{width:100%;border-collapse:collapse;min-width:1050px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid rgba(255,255,255,.07);font-size:13px}th{color:#8fb0c5;font-size:11px;letter-spacing:.08em;text-transform:uppercase;position:sticky;top:0;background:#0d1c28}td strong{font-size:15px}.footnote{margin:16px 0;padding:16px;color:var(--muted);line-height:1.6}.footnote strong{color:var(--text)}.good{color:#65e09a}.sat{color:#c5e86c}.moderate{color:#ffd55f}.poor{color:#ffad5a}.verypoor{color:#ff6d6d}.severe{color:#ff4f8b}
@media(max-width:900px){.controls{grid-template-columns:1fr 1fr}.controls button{grid-column:1/-1}.cards{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}.hero{flex-direction:column}}@media(max-width:560px){.shell{padding:16px}.cards{grid-template-columns:1fr}.controls{grid-template-columns:1fr}.hero h1{font-size:42px}}
.data-panel{padding:20px}.error-box{padding:14px;border:1px solid rgba(255,107,107,.35);background:rgba(255,107,107,.08);border-radius:12px;color:#ffc1c1;line-height:1.5}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}