:root{--ink:#10251f;--muted:#66756f;--paper:#f5f8f5;--card:#fff;--line:#dfe7e2;--green:#167a5a;--mint:#d9f4e9;--lime:#c8ee71;--shadow:0 18px 50px rgba(22,52,43,.08)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 85% 0,#e3f6eb 0,transparent 28rem),var(--paper);color:var(--ink);font:15px/1.5 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.shell{width:min(1180px,calc(100% - 40px));margin:auto;padding:26px 0 56px}.topbar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:20px}.brand,.status{display:flex;align-items:center;gap:10px;font-weight:700}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--ink);color:#fff}.status{font-size:13px;color:var(--muted)}.status-dot{width:9px;height:9px;border-radius:50%;background:#f3a63b;box-shadow:0 0 0 4px #f3a63b22}.status.online .status-dot{background:#2aa879;box-shadow:0 0 0 4px #2aa87922}.intro{padding:52px 0 28px}.eyebrow,.card-label{margin:0 0 8px;text-transform:uppercase;letter-spacing:.13em;font-size:11px;font-weight:800;color:var(--green)}h1{margin:0;font-size:clamp(36px,6vw,72px);line-height:1;letter-spacing:-.055em}h2{margin:0;font-size:25px;letter-spacing:-.03em}.subhead,.muted{color:var(--muted)}.subhead{font-size:17px}.summary-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}.latest-card,.detail-card,.chart-card{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.latest-card{min-height:210px;padding:28px;display:flex;align-items:center;justify-content:space-between;overflow:hidden}.reading{font-size:clamp(58px,8vw,94px);font-weight:750;letter-spacing:-.07em;line-height:1}.unit{font-size:.35em;color:var(--green);margin-left:8px}.orb{display:grid;place-items:center;width:145px;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 30%,#efffd3,var(--lime) 42%,#86d9a8);box-shadow:inset -15px -15px 30px #16865b33}.orb span{font-weight:800;font-size:35px}.detail-card{padding:28px;display:flex;flex-direction:column;justify-content:center}.detail-card strong{font-size:32px;letter-spacing:-.04em}.detail-card small{font-size:14px;color:var(--muted)}.chart-card{margin-top:16px;padding:28px}.chart-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.controls{display:flex;align-items:flex-end;gap:9px;flex-wrap:wrap}.controls label{display:grid;gap:5px}.controls label span{font-size:11px;font-weight:750;color:var(--muted)}select,input,button{height:39px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:0 12px;font:inherit}button{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:700;cursor:pointer}.custom-fields{display:flex;gap:9px}.chart-wrap{position:relative;height:380px;margin-top:30px}.chart-wrap svg{width:100%;height:100%;overflow:visible}.empty-state{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted)}.chart-footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px;color:var(--muted);font-size:12px}.error{background:#fff0ed;color:#9d3525;border:1px solid #f3c4bc;padding:13px 16px;border-radius:12px}.grid-line{stroke:#e7ede9;stroke-width:1}.axis-label{fill:#74827c;font-size:11px}.area{fill:url(#areaGradient)}.line{fill:none;stroke:var(--green);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.point{fill:#fff;stroke:var(--green);stroke-width:2}
@media(max-width:800px){.summary-grid{grid-template-columns:1fr 1fr}.latest-card{grid-column:1/-1}.chart-heading{display:block}.controls{margin-top:20px}.chart-wrap{height:300px}.orb{width:110px}.shell{width:min(100% - 24px,1180px)}.intro{padding-top:36px}}@media(max-width:520px){.summary-grid{grid-template-columns:1fr}.latest-card{padding:22px}.orb{width:86px}.orb span{font-size:24px}.detail-card{min-height:145px}.custom-fields{width:100%;flex-direction:column}.custom-fields label,input{width:100%}.chart-card{padding:20px}.chart-footer{display:grid;gap:4px}}