:root{
  --bg:#f4f7f5;
  --card:#ffffff;
  --ink:#173229;
  --muted:#6c7c75;
  --line:#dfe8e3;
  --brand:#1f6a4d;
  --brand-dark:#173b2e;
  --brand-soft:#e9f4ee;
  --amber:#ad721d;
  --amber-soft:#fff4dd;
  --danger:#a63b3b;
  --danger-soft:#fff0f0;
  --shadow:0 10px 30px rgba(20,58,43,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.45}
button,input,select{font:inherit}
button{cursor:pointer}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:14px max(18px,calc((100vw - 1240px)/2));display:flex;justify-content:space-between;align-items:center;gap:16px}
.brand-wrap{display:flex;align-items:center;gap:12px}.brand-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:var(--brand-soft);font-size:24px}.brand-wrap h1{font-size:20px;line-height:1;margin:0}.brand-wrap p{margin:5px 0 0;color:var(--muted);font-size:12px}.top-actions{display:flex;gap:8px;flex-wrap:wrap}
.page{max-width:1240px;margin:26px auto;padding:0 18px 50px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero{padding:28px;display:grid;grid-template-columns:1.6fr .8fr;gap:28px;align-items:center;margin-bottom:18px}.eyebrow{font-size:11px;letter-spacing:.14em;font-weight:800;color:var(--brand)}.hero h2,.result-head h2{font-size:clamp(25px,3vw,40px);letter-spacing:-.03em;line-height:1.05;margin:8px 0 12px}.hero p{color:var(--muted);max-width:780px;margin:0}.hero-note{background:var(--brand-soft);border-radius:14px;padding:18px;display:grid;gap:6px}.hero-note strong{color:var(--brand-dark)}.hero-note span{color:#4d655a;font-size:13px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}.form-card{padding:22px}.section-title{display:flex;gap:12px;align-items:flex-start;margin-bottom:18px}.section-title h3{margin:0;font-size:18px}.section-title p{margin:4px 0 0;color:var(--muted);font-size:13px}.step{flex:0 0 30px;width:30px;height:30px;border-radius:10px;background:var(--brand);color:#fff;font-weight:800;display:grid;place-items:center}.section-title.compact{margin-bottom:10px}
.form-grid,.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:flex;flex-direction:column;gap:6px;color:#42564d;font-size:12px;font-weight:700}.field input,.field select{width:100%;border:1px solid #cad8d1;background:#fbfdfc;border-radius:11px;padding:11px 12px;outline:none;color:var(--ink);transition:.15s}.field input:focus,.field select:focus{border-color:#66a98c;box-shadow:0 0 0 3px rgba(31,106,77,.09)}.span-2{grid-column:span 2}.hint{font-size:11px;color:var(--muted);margin:12px 0 0}.input-with-action{display:grid;grid-template-columns:1fr auto;gap:7px}.mini-btn{border:0;border-radius:10px;background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:11px;padding:0 10px}
.ingredient-grid{display:grid;grid-template-columns:1fr 1fr .8fr;gap:14px}.ingredient-box{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fbfdfc}.ingredient-box h4{margin:0 0 12px}.mineral-box{background:#fafaf7}.action-row{display:flex;justify-content:flex-end;margin-top:18px}.btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:11px;padding:9px 13px;font-weight:800;font-size:12px}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.big{font-size:14px;padding:13px 22px}.btn.danger-ghost{color:var(--danger)}
.results{display:grid;gap:18px;margin-top:18px}.hidden{display:none!important}.result-head{padding:24px;display:flex;align-items:center;justify-content:space-between;gap:18px}.result-head h2{font-size:30px;margin-bottom:7px}.result-head p{margin:0;color:var(--muted)}.badge{border-radius:999px;padding:8px 12px;font-size:11px;font-weight:900;letter-spacing:.06em;background:var(--brand-soft);color:var(--brand-dark)}.badge.warn{background:var(--amber-soft);color:var(--amber)}.badge.bad{background:var(--danger-soft);color:var(--danger)}
.metrics-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.metric{padding:16px;display:grid;gap:4px}.metric span{font-size:11px;color:var(--muted);font-weight:700}.metric strong{font-size:23px;letter-spacing:-.03em}.metric small{font-size:10px;color:var(--muted)}
.result-grid{margin-bottom:0}.ration-card,.batch-card{padding:20px}.feed-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line)}.feed-row>div{display:flex;align-items:center;gap:10px}.feed-icon{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:var(--brand-soft)}.feed-row>strong{font-size:19px}.feed-total{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding:14px;border-radius:12px;background:var(--brand-dark);color:#fff}.batch-list{display:grid;gap:11px}.batch-list>div{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}.batch-list .batch-cost{border:0;background:var(--brand-soft);padding:12px;border-radius:11px;color:var(--brand-dark)}
.checks{display:grid;gap:9px}.check{display:flex;gap:10px;align-items:flex-start;border-radius:11px;padding:11px 12px;background:#f7faf8;font-size:12px}.check .dot{flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:900;background:var(--brand-soft);color:var(--brand)}.check.warn{background:var(--amber-soft)}.check.warn .dot{background:#ffe5ae;color:var(--amber)}.check.bad{background:var(--danger-soft)}.check.bad .dot{background:#ffdada;color:var(--danger)}.check strong{display:block}.check span{color:var(--muted)}
.assumptions{display:grid;gap:10px}.assumption{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.assumption:last-child{border:0}.assumption span{color:var(--muted)}
.methodology{padding:0 20px}.methodology summary{cursor:pointer;padding:18px 0;font-weight:800}.method-body{padding:0 0 20px;color:var(--muted);font-size:13px}.method-body a{color:var(--brand);font-weight:700}.warning-text{background:var(--amber-soft);padding:12px;border-radius:10px;color:#6e521f}
footer{max-width:1240px;margin:0 auto;padding:0 18px 28px;color:var(--muted);font-size:11px;display:flex;justify-content:space-between;gap:12px}
@media (max-width:980px){.hero,.grid-2{grid-template-columns:1fr}.ingredient-grid{grid-template-columns:1fr}.metrics-grid{grid-template-columns:repeat(2,1fr)}.topbar{align-items:flex-start}.top-actions{justify-content:flex-end}.hero-note{max-width:none}}
@media (max-width:640px){.topbar{position:relative;display:grid}.top-actions{justify-content:flex-start}.top-actions .btn{flex:1}.page{margin-top:14px;padding:0 12px 36px}.hero,.form-card{padding:18px}.form-grid,.mini-grid{grid-template-columns:1fr}.span-2{grid-column:span 1}.metrics-grid{grid-template-columns:1fr 1fr}.result-head{align-items:flex-start;flex-direction:column}.hero h2{font-size:28px}.ingredient-box{padding:13px}.action-row .btn{width:100%}footer{padding-left:12px;padding-right:12px;flex-direction:column}}
@media print{body{background:#fff}.topbar,.hero,.form-card,.methodology,footer{display:none!important}.page{max-width:none;margin:0;padding:0}.results{display:block!important}.card{box-shadow:none;margin-bottom:12px}.result-grid{grid-template-columns:1fr 1fr}.metrics-grid{grid-template-columns:repeat(5,1fr)}}