:root{--bg:#0b0d10;--card:#151922;--line:#2a3242;--text:#f4f6f8;--muted:#929bab;--accent:#7dd3fc;--ok:#86efac}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,Arial,sans-serif}a{color:inherit}
.wrap{max-width:780px;margin:auto;padding:14px 14px 100px}header{position:sticky;top:0;z-index:20;background:#0b0d10ef;backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
nav{max-width:780px;margin:auto;padding:12px 14px;display:flex;justify-content:space-between;align-items:center;gap:12px}.brand{font-weight:900}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:12px}h1{font-size:24px;margin:8px 0 4px}h2{font-size:18px;margin:0 0 4px}
.muted{color:var(--muted);font-size:13px}label{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-bottom:6px}
select,input,textarea{width:100%;background:#0f131a;color:var(--text);border:1px solid #344055;border-radius:10px;padding:11px;font-size:17px}textarea{min-height:90px}
.topgrid,.wellness{display:grid;grid-template-columns:1fr 1fr;gap:10px}.wellness{grid-template-columns:repeat(4,1fr)}
.setgrid{display:grid;grid-template-columns:56px 1fr 1fr;gap:8px;align-items:center;margin-top:10px}.head{color:var(--muted);font-size:12px;font-weight:700}.setno{font-weight:800}
button,.btn{display:inline-block;border:0;border-radius:11px;padding:12px 14px;background:#202736;color:var(--text);font-weight:850;text-decoration:none;text-align:center}.primary{background:var(--accent);color:#06131a}
.footerbar{position:fixed;bottom:0;left:0;right:0;background:#0b0d10f4;border-top:1px solid var(--line);padding:10px 14px calc(10px + env(safe-area-inset-bottom));display:flex;justify-content:center}.footerbar button{width:min(750px,100%)}
.history-item{display:flex;justify-content:space-between;gap:10px;align-items:center;text-decoration:none}.pill{font-size:12px;background:#202736;padding:6px 9px;border-radius:999px;color:var(--muted)}
.previous-result{margin-top:8px;padding:9px 10px;border-radius:10px;background:#101820;border:1px solid #26384a;font-size:13px}.previous-result span{color:var(--muted)}.previous-empty{margin-top:8px;font-size:13px;color:#6f7887}
.main-tabs{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.main-tabs a{display:inline-flex;align-items:center;text-decoration:none;padding:9px 12px;border-radius:11px;background:#202736;color:var(--muted);font-size:14px;font-weight:800;border:1px solid transparent}.main-tabs a.active{background:var(--accent);color:#06131a}
.chart-controls{display:grid;grid-template-columns:1.5fr 1fr auto;gap:10px;align-items:end}.chart-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:14px 0}.metric-card{background:#0f131a;border:1px solid var(--line);border-radius:12px;padding:11px}.metric-label{color:var(--muted);font-size:12px}.metric-number{font-size:22px;font-weight:900;margin-top:3px}
.chart-shell{width:100%;overflow:hidden;margin-top:8px}.chart-shell svg{display:block;width:100%;height:auto;min-height:260px}.gridline{stroke:#2a3242;stroke-width:1}.axistext{fill:#929bab;font-size:12px}.chartline{stroke:#7dd3fc;stroke-width:4;stroke-linejoin:round;stroke-linecap:round}.chartpoint{fill:#7dd3fc;stroke:#0b0d10;stroke-width:3}.chart-table{margin-top:10px}.chart-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid var(--line);font-size:14px}
@media(max-width:650px){nav{align-items:flex-start;flex-direction:column}.main-tabs{width:100%}.main-tabs a{flex:1;justify-content:center}.chart-controls{grid-template-columns:1fr}.wellness{grid-template-columns:1fr 1fr}.topgrid{grid-template-columns:1fr}}
@media(max-width:420px){.main-tabs a{font-size:13px;padding:9px 7px}.chart-summary{grid-template-columns:1fr}}

body{
  font-feature-settings:"kern" 1,"liga" 1,"tnum" 1;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.45;
}
.brand{
  font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;
  letter-spacing:-0.02em;
}
h1,h2{
  font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;
  letter-spacing:-0.025em;
  line-height:1.15;
}
input,select,textarea,button,.btn{
  font-family:Inter,-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Arial,sans-serif;
}
input[type="number"]{
  font-variant-numeric:tabular-nums;
}
.metric-number,.setno,.pill{
  font-variant-numeric:tabular-nums;
}