:root{
  --bg:#0E1230; --card:#171C42; --card2:#1E2452; --line:#3A4285; --grid:#262D63;
  --text:#EEF0FF; --muted:#A9B0DB; --accent:#FFB547;
  --yes:#7BE0B4; --yes-ink:#08261B; --no:#FF9B8A; --no-ink:#3A0F08;
  --display:'Bricolage Grotesque',system-ui,sans-serif;
  --body:'Instrument Sans',system-ui,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.5}
a{color:var(--accent)} a:hover{color:#FFD08A}
button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
h1,h2,h3,p{margin:0}
.page{max-width:1200px;margin:0 auto;padding:0 24px 64px;display:flex;flex-direction:column;gap:48px}

.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:28px}
.brand{display:flex;align-items:center;gap:12px}
.brand-name{font-family:var(--display);font-weight:700;font-size:22px;letter-spacing:-.01em}
.navlink{min-height:44px;display:inline-flex;align-items:center;font-weight:500}

.hero{display:flex;flex-direction:column;gap:16px;max-width:760px}
.hero h1{font-family:var(--display);font-weight:700;font-size:clamp(44px,7vw,84px);line-height:1;letter-spacing:-.03em}
.lede{font-size:20px;color:var(--muted);max-width:620px}

.main{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-start}
.panel{background:var(--card);border-radius:20px;padding:24px}
.inputs{flex:1 1 360px;min-width:0;padding:28px;display:flex;flex-direction:column;gap:28px}
.inputs h2,.chart h2,.how h2{font-family:var(--display);font-weight:700}
.inputs h2{font-size:26px}
.results{flex:999 1 520px;min-width:0;display:flex;flex-direction:column;gap:24px}

.field{display:flex;flex-direction:column;gap:6px}
.field-head{display:flex;justify-content:space-between;align-items:baseline}
.field-head label,.label{font-weight:500}
.field-head output{font-family:var(--display);font-weight:700;font-size:22px}
input[type=range]{width:100%;height:44px;margin:0;accent-color:var(--accent)}

.seg{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.seg button{min-height:56px;border-radius:12px;border:2px solid var(--line);background:transparent;color:var(--text);font:inherit;font-weight:600;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6px}
.seg button small{font-size:12px;font-weight:500;color:var(--muted)}
.seg button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#1A1203}
.seg button[aria-pressed=true] small{color:#1A1203}

.drink-list{display:flex;flex-direction:column;gap:10px}
.drink{background:var(--card2);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.drink-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.drink-name{font-weight:600}.drink-mg{font-weight:400;color:var(--muted)}
.drink-right{display:flex;align-items:center;gap:4px}
.drink-time{font-family:var(--display);font-weight:700}
.drink input[type=range]{height:32px}
.x{width:44px;height:44px;border:0;background:transparent;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center}
.presets{display:flex;flex-wrap:wrap;gap:8px}
.presets button{min-height:44px;border-radius:22px;border:1.5px solid var(--line);background:transparent;color:var(--text);font:inherit;font-size:14px;font-weight:500;padding:0 16px;cursor:pointer}
.hint{font-size:13px;color:var(--muted)}
.empty{color:var(--muted);font-size:14px}

.verdict{border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:20px}
.verdict.yes{background:var(--yes);color:var(--yes-ink)}
.verdict.no{background:var(--no);color:var(--no-ink)}
.eyebrow{font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.head{font-family:var(--display);font-weight:700;font-size:clamp(44px,6vw,72px);line-height:1;letter-spacing:-.02em}
.reason{font-size:18px;max-width:560px}
.chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{border-radius:14px;padding:12px 18px}
.yes .chip{background:var(--yes-ink);color:#D7FFEE}
.no .chip{background:var(--no-ink);color:#FFE3DE}
.chip-l{font-size:13px}
.chip-v{font-family:var(--display);font-weight:700;font-size:26px}
.small{font-size:14px}
.verdict p.small:first-of-type{font-size:15px}
.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.btn{min-height:44px;border-radius:22px;border:2px solid currentColor;background:transparent;color:inherit;font:inherit;font-weight:600;padding:0 20px;cursor:pointer}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
.stat{background:var(--card);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:4px}
.stat-l{font-size:14px;color:var(--muted)}
.stat-v{font-family:var(--display);font-weight:700;font-size:34px}
.stat-s{font-size:13px;color:var(--muted)}

.chart{display:flex;flex-direction:column;gap:12px}
.chart-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px}
.chart h2{font-size:22px}
#chart{width:100%;height:auto;display:block}

.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.tip{border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:8px}
.tip-k{font-size:14px;color:var(--accent);font-weight:600}
.tip-h{font-family:var(--display);font-weight:700;font-size:22px}
.tip-b{color:var(--muted)}

.how{display:flex;flex-direction:column;gap:24px}
.how h2{font-size:34px;letter-spacing:-.02em}
.three{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.three .panel{border-radius:16px;display:flex;flex-direction:column;gap:8px}
.three h3{font-size:20px}
.three p{color:var(--muted)}

.science{display:flex;flex-direction:column;gap:20px}
.science h2{font-family:var(--display);font-weight:700;font-size:34px;letter-spacing:-.02em}
.lede2{color:var(--muted);font-size:18px;max-width:680px}
.science .panel{border-radius:16px;display:flex;flex-direction:column;gap:14px}
.science h3{font-size:20px}
.claims{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:14px;color:var(--muted)}
.claims strong{color:var(--text);font-weight:600}
.navlink+.navlink{margin-left:20px}

footer{border-top:1px solid var(--grid);padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--muted);font-size:14px}