:root{--bg:#f6f7f2;--fg:#14201a;--muted:#5b6b62;--card:#ffffff;--line:#dfe5dc;--very-low:#1f8a4c;--low:#5aa832;--moderate:#d49a12;--high:#c4442b;--accent:var(--very-low);}@media (prefers-color-scheme:dark){:root{--bg:#0f1512;--fg:#e8efe9;--muted:#93a39a;--card:#17201b;--line:#26322b;}}*{box-sizing:border-box;}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;}main{max-width:680px;margin:0 auto;padding:32px 16px 48px;}.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:var(--muted);}h1{margin:4px 0 24px;font-size:40px;letter-spacing:-.02em;}h2{margin:0 0 12px;font-size:15px;font-weight:600;color:var(--muted);}.now{padding:24px;border-radius:16px;background:var(--card);border:1px solid var(--line);border-left:8px solid var(--accent);}.reading{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;}.value{font-size:72px;font-weight:700;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums;}.unit{color:var(--muted);}.level{margin:12px 0 0;font-weight:600;font-size:18px;}.legend{display:flex;flex-wrap:wrap;gap:4px 14px;margin:12px 0 0;}.key{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}.key::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--c);}.muted{color:var(--muted);font-size:14px;}.card{margin-top:16px;padding:20px 24px;border-radius:16px;background:var(--card);border:1px solid var(--line);}.big{font-size:24px;font-weight:700;margin:0 0 6px;}.big-saving{margin:0 0 6px;font-size:16px;font-weight:600;color:var(--accent);}svg{width:100%;height:auto;display:block;}svg .area{fill:var(--accent);opacity:.15;}svg .line{fill:none;stroke:var(--accent);stroke-width:2.5;}svg text{fill:var(--muted);font-size:11px;}svg .grid{stroke:var(--line);}dl{display:grid;grid-template-columns:1fr auto;gap:6px 16px;margin:0 0 8px;}dt{color:var(--muted);}dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums;text-align:right;}footer{margin-top:24px;}