.tdee-page{
  --bg:#f4f7fb;
  --card:#fff;
  --text:#172033;
  --muted:#687386;
  --line:#dfe5ee;
  --primary:#1457d9;
  --primary-dark:#0d3f9f;
  --soft:#edf4ff;
  --success:#137a4e;
  --danger:#a62c2c;
  --radius:16px;
  --shadow:0 10px 28px rgba(25,45,85,.08);
  min-width:320px;
  background:radial-gradient(circle at top left,rgba(20,87,217,.07),transparent 34%),var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.55;
  -webkit-text-size-adjust:100%;
}
.tdee-page *{box-sizing:border-box}
.tdee-page .page{width:min(100% - 20px,1180px);margin:0 auto;padding:22px 0 48px}
.tdee-page .hero{margin-bottom:18px}
.tdee-page .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;background:var(--soft);color:var(--primary-dark);font-size:13px;font-weight:800}
.tdee-page h1{max-width:840px;margin:12px 0 8px;font-size:clamp(28px,5vw,42px);line-height:1.12}
.tdee-page .hero p{margin:0;color:var(--muted);font-size:16px}
.tdee-page .layout{display:grid;grid-template-columns:1fr;gap:16px;align-items:start}
.tdee-page .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.tdee-page .form-card,.tdee-page .result-body,.tdee-page .explanation{padding:18px}
.tdee-page .section-title{margin:0 0 16px;font-size:20px}
.tdee-page .grid{display:grid;grid-template-columns:1fr;gap:14px}
.tdee-page .field{display:flex;flex-direction:column;gap:7px}
.tdee-page .field.full{grid-column:1/-1}
.tdee-page label{font-size:14px;font-weight:800;color:#35405a}
.tdee-page input,.tdee-page select{width:100%;min-height:52px;padding:0 14px;border:1px solid #cbd4e2;border-radius:12px;background:#fff;color:var(--text);font:inherit;font-size:16px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.tdee-page input:focus,.tdee-page select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(20,87,217,.12)}
.tdee-page .calc-button{width:100%;min-height:54px;margin-top:16px;border:0;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font:inherit;font-size:17px;font-weight:900;cursor:pointer;box-shadow:0 10px 20px rgba(20,87,217,.18)}
.tdee-page .calc-button:focus{outline:none;box-shadow:0 0 0 4px rgba(20,87,217,.18),0 10px 20px rgba(20,87,217,.18)}
.tdee-page .calc-button:active{transform:translateY(1px)}
.tdee-page .segmented,.tdee-page .goal-options,.tdee-page .formula-options{display:grid;grid-template-columns:1fr;gap:9px}
.tdee-page .sex-options{grid-template-columns:repeat(2,minmax(0,1fr))}
.tdee-page .formula-option input,.tdee-page .segmented input,.tdee-page .goal-option input{display:none}
.tdee-page .formula-option label,.tdee-page .goal-option label{display:block;min-height:82px;padding:14px;border:1px solid #cbd4e2;border-radius:14px;cursor:pointer;transition:.2s ease}
.tdee-page .formula-option strong,.tdee-page .goal-option strong{display:block;margin-bottom:3px;font-size:16px}
.tdee-page .formula-option span,.tdee-page .goal-option span{display:block;color:var(--muted);font-size:13px;font-weight:500}
.tdee-page .formula-option input:checked + label,.tdee-page .segmented input:checked + label,.tdee-page .goal-option input:checked + label{border-color:var(--primary);background:var(--soft);color:var(--primary-dark);box-shadow:inset 0 0 0 1px var(--primary)}
.tdee-page .field-help{margin:0;color:var(--muted);font-size:12px}
.tdee-page .segmented label{min-height:50px;display:flex;align-items:center;justify-content:center;padding:9px 12px;border:1px solid #cbd4e2;border-radius:12px;cursor:pointer;text-align:center;transition:.2s ease}
.tdee-page .error{display:none;margin-top:16px;padding:12px 14px;border:1px solid #f3b6b6;border-radius:12px;background:#fff1f1;color:var(--danger);font-size:14px;font-weight:700}
.tdee-page .results{overflow:hidden}
.tdee-page .result-head{padding:18px;background:linear-gradient(135deg,#1457d9,#0d3f9f);color:#fff}
.tdee-page .result-head small{display:block;font-size:13px;font-weight:800;opacity:.8}
.tdee-page .result-head h2{margin:3px 0 0;font-size:24px}
.tdee-page .empty-state{min-height:180px;display:grid;place-items:center;text-align:center;color:var(--muted);font-weight:800}
.tdee-page .empty-state .icon{display:block;font-size:34px}
.tdee-page .formula-summary{margin:14px 0;padding:12px 14px;border-radius:13px;background:#f7faff;border:1px solid #dce8fb;color:#35405a;font-weight:700}
.tdee-page .metric-grid{display:grid;grid-template-columns:1fr;gap:12px}
.tdee-page .metric{display:flex;justify-content:space-between;gap:14px;padding:14px;border:1px solid #e6ecf5;border-radius:15px;background:#fff}
.tdee-page .metric-wide{grid-column:1/-1}
.tdee-page .metric.highlight{background:#edf4ff;border-color:#bfd5ff}
.tdee-page .metric-copy{min-width:0}
.tdee-page .metric .name{display:block;font-size:14px;font-weight:900;color:#23304a}
.tdee-page .metric-description{margin:4px 0 0;color:var(--muted);font-size:13px}
.tdee-page .metric-result{text-align:right;white-space:nowrap}
.tdee-page .metric .value{font-size:28px;line-height:1;font-weight:900;color:var(--primary)}
.tdee-page .metric .unit{margin-top:4px;color:var(--muted);font-size:12px;font-weight:800}
.tdee-page .result-summary{padding:18px;border-radius:18px;background:linear-gradient(135deg,#eef5ff,#fff);border:1px solid #d7e6ff;text-align:center}
.tdee-page .result-summary span{display:block;color:var(--muted);font-size:13px;font-weight:800}
.tdee-page .result-summary strong{display:block;margin:4px 0;font-size:25px;color:var(--primary-dark)}
.tdee-page .result-summary p{margin:0;color:#35405a}
.tdee-page .status-line{margin-top:8px;color:var(--success);font-size:13px;font-weight:800}
.tdee-page .macro-section{display:grid;grid-template-columns:1fr;gap:16px;margin-top:18px;align-items:center}
.tdee-page .macro-donut{width:190px;height:190px;margin:0 auto;border-radius:50%;background:conic-gradient(#175bd3 0 var(--protein),#d28a22 var(--protein) var(--fat),#42a66e var(--fat) 100%);display:grid;place-items:center}
.tdee-page .donut-center{width:118px;height:118px;border-radius:50%;background:#fff;display:grid;place-items:center;text-align:center;box-shadow:inset 0 0 0 1px #e3eaf3}
.tdee-page .donut-center strong{display:block;font-size:25px;line-height:1;font-weight:900;color:var(--primary-dark)}
.tdee-page .donut-center span{display:block;color:var(--muted);font-size:13px;font-weight:800}
.tdee-page .macro-legend{display:grid;gap:10px}
.tdee-page .macro-legend > div{display:grid;grid-template-columns:auto 1fr auto auto;gap:8px;align-items:center;padding:10px 12px;border:1px solid #e6ecf5;border-radius:13px;background:#fff}
.tdee-page .macro-legend b{font-size:14px}
.tdee-page .macro-legend strong{font-size:14px;color:#23304a}
.tdee-page .macro-legend small{font-weight:900;color:var(--muted)}
.tdee-page .dot{width:10px;height:10px;border-radius:50%}
.tdee-page .dot.protein{background:#175bd3}
.tdee-page .dot.fat{background:#d28a22}
.tdee-page .dot.carb{background:#42a66e}
.tdee-page .projection,.tdee-page .tips-box{margin-top:18px;padding:16px;border-radius:16px;background:#f7faff;border:1px solid #dce8fb}
.tdee-page .projection h3,.tdee-page .tips-box h3{margin:0 0 10px;font-size:18px}
.tdee-page .projection-card{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tdee-page .projection-card > div{padding:12px;border-radius:13px;background:#fff;border:1px solid #e3eaf3;text-align:center}
.tdee-page .projection-card span{display:block;color:var(--muted);font-size:13px;font-weight:800}
.tdee-page .projection-card strong{display:block;font-size:22px;color:var(--primary-dark)}
.tdee-page .projection-note{margin:10px 0 0;color:var(--muted);font-size:13px}
.tdee-page .maintenance-box{padding:13px;border-radius:13px;background:#fff;border:1px solid #e3eaf3;color:#35405a;font-weight:700}
.tdee-page .tips-box ul{margin:0;padding-left:22px;color:#35405a}
.tdee-page .tips-box li + li{margin-top:7px}
.tdee-page .note{margin-top:16px;padding:12px 14px;border-radius:13px;background:#fff8e6;border:1px solid #ffe1a3;color:#6b4b00;font-size:13px;font-weight:700}
.tdee-page .explanation{margin-top:24px}
.tdee-page .explanation h2{margin:0 0 12px;font-size:22px}
.tdee-page .explanation p{margin:0 0 12px;color:#445069}

@media (min-width:640px){
  .tdee-page .page{width:min(100% - 32px,1180px)}
  .tdee-page .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tdee-page .segmented,.tdee-page .goal-options,.tdee-page .formula-options{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tdee-page .goal-options{grid-template-columns:repeat(3,minmax(0,1fr))}
  .tdee-page .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tdee-page .metric.highlight{grid-column:1/-1}
  .tdee-page .macro-section{grid-template-columns:220px 1fr}
}
@media (min-width:960px){
  .tdee-page .page{padding:34px 0 64px}
  .tdee-page .hero{max-width:760px}
  .tdee-page .hero p{font-size:18px}
  .tdee-page .layout{
    grid-template-columns:minmax(0,40%) minmax(0,60%);
    gap:22px;
    align-items:start;
  }
  .tdee-page .form-card{
    padding:24px;
    background:#ffffff;
    border-top:6px solid #dce7f8;
  }
  .tdee-page .results{
    position:sticky;
    top:18px;
    background:#10213f;
    border-color:#10213f;
    box-shadow:0 18px 42px rgba(11,31,65,.18);
  }
  .tdee-page .result-head{
    padding:22px 24px;
    background:linear-gradient(135deg,#0e2346,#183f78);
  }
  .tdee-page .result-body{
    padding:22px;
    background:linear-gradient(180deg,#eef4ff 0%,#f8fbff 100%);
  }
  .tdee-page .explanation{padding:24px}
}
  .tdee-page .hero{max-width:760px}
  .tdee-page .hero p{font-size:18px}
  .tdee-page .layout{grid-template-columns:1fr;gap:20px}
  .tdee-page .form-card{padding:24px}
  .tdee-page .result-body{padding:22px}
  .tdee-page .explanation{padding:24px}
}
@media (max-width:420px){
  .tdee-page .metric{display:block}
  .tdee-page .metric-result{text-align:left;margin-top:10px}
  .tdee-page .projection-card{grid-template-columns:1fr}
}

.tdee-page .results .result-summary{
  background:linear-gradient(135deg,#163c72,#0f274d);
  border-color:#163c72;
  color:#fff;
}
.tdee-page .results .result-summary span,
.tdee-page .results .result-summary p{color:rgba(255,255,255,.82)}
.tdee-page .results .result-summary strong{color:#fff}
.tdee-page .results .formula-summary{
  background:#dce9ff;
  border-color:#bfd3f5;
}
.tdee-page .results .metric{
  background:#fff;
  box-shadow:0 5px 14px rgba(28,57,104,.06);
}
.tdee-page .results .metric-protein-target{
  background:linear-gradient(135deg,#e7f4ee,#ffffff);
  border-color:#9bd8bb;
  box-shadow:0 8px 20px rgba(19,122,78,.12);
}
.tdee-page .results .metric-protein-target .name,
.tdee-page .results .metric-protein-target .value{
  color:#0f7a4b;
}
.tdee-page .results .metric-protein-target .status-line{
  display:inline-flex;
  padding:5px 9px;
  border-radius:999px;
  background:#d8f3e6;
  color:#0f7a4b;
}
.tdee-page .macro-legend .macro-protein-row{
  background:#e7f4ee;
  border-color:#9bd8bb;
}
.tdee-page .macro-legend .macro-protein-row b,
.tdee-page .macro-legend .macro-protein-row strong{
  color:#0f7a4b;
}

.tdee-page .results .result-head,
.tdee-page .results .result-head *{
  color:#fff !important;
}

@media (min-width:960px){
  .tdee-page .results .metric-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .tdee-page .results .metric-wide{
    grid-column:auto;
  }
  .tdee-page .results .metric:nth-child(5){
    grid-column:1/-1;
  }
}