:root{--bg: #ffffff;--card: #ffffff;--text: #0a0a0a;--muted: #525866;--line: #e5e7eb;--accent: #1d4ed8;--accent-soft: #eff4ff;--radius: 18px;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;cursor:pointer}a{color:var(--accent)}.page{max-width:1080px;margin:0 auto;padding:0 16px}main{display:grid;gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 1px 2px #0a0a0a0a,0 4px 16px #0a0a0a0a}.header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 0;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px;font-size:20px;letter-spacing:-.01em}.brand strong{color:var(--accent)}.header-right{display:flex;align-items:center;gap:10px}.device-select{background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:6px 10px;font:inherit}.status{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--card)}.status.on{background:var(--text);color:#fff;border-color:var(--text)}.status .dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}.status.on .dot{background:#3b82f6;box-shadow:0 0 #3b82f699;animation:pulse 2s infinite}.status.off{color:var(--muted)}@keyframes pulse{70%{box-shadow:0 0 0 8px #3b82f600}to{box-shadow:0 0 #3b82f600}}@media (prefers-reduced-motion: reduce){.status.on .dot{animation:none}}.banner{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:12px;padding:12px 16px;font-size:14px}.hero{display:grid;grid-template-columns:1.3fr 1fr;align-items:center;gap:16px 24px;padding:28px}.eyebrow{margin:0 0 6px;text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:600;color:var(--muted)}.hero h1{margin:0 0 10px;font-size:clamp(28px,5vw,44px);line-height:1.1;letter-spacing:-.02em}.advice{margin:0 0 8px;color:var(--muted);font-size:16px;line-height:1.5}.muted{color:var(--muted)}.small{font-size:13px;margin:0}.gauge{position:relative;width:100%;max-width:280px;justify-self:center}.gauge svg{width:100%;display:block}.gauge-track,.gauge-fill{fill:none;stroke-width:16;stroke-linecap:round}.gauge-track{stroke:var(--line)}.gauge-fill{transition:stroke-dashoffset .8s ease,stroke .4s}.gauge-value{position:absolute;inset:auto 0 0;display:flex;flex-direction:column;align-items:center}.gauge-value .num{font-size:52px;font-weight:700;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.gauge-value .unit{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.06em}.scale{grid-column:1 / -1;list-style:none;padding:0;margin:4px 0 0;display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--muted)}.scale li{display:flex;align-items:center;gap:6px}.scale li.active{color:var(--text);font-weight:600}.swatch{width:10px;height:10px;border-radius:3px}.metrics{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.metric{display:flex;flex-direction:column;gap:4px;text-align:left;padding:16px;transition:border-color .15s,transform .15s}.metric:hover{border-color:var(--accent)}.metric.selected{border-color:var(--accent);background:var(--accent-soft)}.metric-label{font-size:13px;font-weight:600;color:var(--muted)}.metric-value{font-size:28px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.metric-value small{font-size:13px;font-weight:500;color:var(--muted);margin-left:4px}.metric-hint{font-size:12px;color:var(--muted)}.chart-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.chart-card h2,.about h2{margin:0;font-size:18px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.chip{border:1px solid var(--line);background:transparent;border-radius:999px;padding:5px 12px;font-size:13px}.chip.on{background:var(--text);border-color:var(--text);color:#fff}.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.seg button{border:0;background:transparent;padding:6px 12px;font-size:13px}.seg button.on{background:var(--accent-soft);color:var(--accent);font-weight:600}.chart{height:280px}.empty{height:200px;display:grid;place-items:center;color:var(--muted);font-size:14px;border:1px dashed var(--line);border-radius:12px}.about p{color:var(--muted);line-height:1.6;margin:8px 0 0}.footer{text-align:center;color:var(--muted);font-size:13px;padding:32px 0}@media (max-width: 720px){.hero{grid-template-columns:1fr;padding:20px}.gauge{order:-1;max-width:240px}.chart{height:220px}}