/* components.css — Hayat: tabs, cards, forms, results, sidebar, footer, modal */

/* ─── TAB NAV — editorial underline style ─────────────────────────── */
.nav{
  margin-bottom:30px;
  border-bottom:1px solid var(--c-border);
  animation:fadeSlideUp .5s .2s var(--ease) both;
}
.nav-inner{
  display:flex;gap:2px;
  overflow-x:auto;scrollbar-width:none;
  counter-reset:tab;
}
.nav-inner::-webkit-scrollbar{display:none;}
.nav-btn{
  flex:0 0 auto;display:flex;align-items:center;gap:7px;
  padding:11px 15px 12px;
  border:none;background:transparent;
  border-bottom:2px solid transparent;
  margin-bottom:-1px;
  color:var(--c-tm);
  font-size:.86rem;font-weight:600;
  transition:color var(--dur),border-color var(--dur);
  white-space:nowrap;
}
/* Print-index numbering: 01 02 03 … */
.nav-btn::before{
  counter-increment:tab;
  content:counter(tab,decimal-leading-zero);
  font-family:var(--font-display);
  font-size:.64rem;font-weight:600;
  opacity:.45;letter-spacing:.5px;
}
.nav-btn.active{
  color:var(--c-accent-ink);
  border-bottom-color:var(--c-accent);
  font-weight:700;
}
.nav-btn.active::before{opacity:1;}
.nav-btn:hover:not(.active){color:var(--c-td);}
.nav-btn:focus-visible{outline:2px solid var(--c-accent2);outline-offset:-2px;border-radius:4px;}
a.nav-btn{cursor:pointer;text-decoration:none;}

/* PAGE GRID */
.page-grid{
  display:grid;grid-template-columns:1fr 220px;
  gap:24px;align-items:start;
  animation:fadeSlideUp .5s .25s var(--ease) both;
}
.main-col{min-width:0;}
.panel{display:none;animation:panIn .25s var(--ease);}
.panel.active{display:block;}
@keyframes panIn{from{opacity:0;transform:translateY(8px);}}
.result{display:none;animation:panIn .25s var(--ease);}
.result.active{display:block;}

/* INPUT CARD */
.card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r);
  padding:32px;margin-bottom:18px;
  box-shadow:var(--shadow-xs);
}
.card-head{margin-bottom:24px;}
.card-ico{
  width:42px;height:42px;border-radius:var(--rs);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;
  background:var(--c-accent-bg);
  border:1px solid var(--c-border);
  color:var(--c-accent-ink);
}
.card-ico svg{width:21px;height:21px;stroke:currentColor;fill:none;
  stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.card-title{
  font-size:1.18rem;font-weight:700;
  color:var(--c-tx);margin-bottom:5px;
}
.card-desc{font-size:.83rem;color:var(--c-tm);line-height:1.7;font-weight:400;}

/* FORM CONTROLS */
.field{margin-bottom:18px;}
.field-label{
  display:block;font-size:.72rem;color:var(--c-td);
  margin-bottom:8px;font-weight:700;
  letter-spacing:.5px;text-transform:uppercase;
}
.field-opt{
  font-weight:400;font-size:.68rem;color:var(--c-tm);
  margin-inline-start:4px;text-transform:none;letter-spacing:0;
}
.input-wrap{position:relative;}
.input-unit{
  position:absolute;top:50%;left:14px;
  transform:translateY(-50%);
  font-size:.78rem;color:var(--c-tm);pointer-events:none;
}
input[type=number]{
  width:100%;
  background:var(--c-bg);
  border:1.5px solid var(--c-border);
  border-radius:var(--rs);
  padding:12px 15px 12px 52px; /* extra left padding for unit label (RTL base) */
  color:var(--c-tx);
  font-family:var(--font-ui);
  font-size:.95rem;outline:none;
  transition:border-color var(--dur),box-shadow var(--dur),background var(--dur);
  -webkit-appearance:none;appearance:none;
}
input[type=number]:focus{
  border-color:var(--c-accent2);
  background:var(--c-surface);
  box-shadow:0 0 0 3px rgba(76,148,80,.15);
}
input[type=number]::placeholder{color:var(--c-tm);opacity:.65;}
.field-invalid input[type=number]{
  border-color:var(--c-red);
  box-shadow:0 0 0 3px rgba(185,28,28,.1);
}
select{
  width:100%;
  background:var(--c-bg);
  border:1.5px solid var(--c-border);
  border-radius:var(--rs);
  padding:12px 15px;
  color:var(--c-tx);
  font-family:var(--font-ui);
  font-size:.95rem;outline:none;
  transition:border-color var(--dur),box-shadow var(--dur);
  -webkit-appearance:none;appearance:none;
  cursor:pointer;
}
select:focus{
  border-color:var(--c-accent2);
  box-shadow:0 0 0 3px rgba(76,148,80,.15);
}
select option{background:var(--c-surface);color:var(--c-tx);}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;}

/* Radio chips */
.chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{flex:1;min-width:60px;}
.chip input{position:absolute;opacity:0;pointer-events:none;}
.chip label{
  display:flex;align-items:center;justify-content:center;gap:5px;
  padding:11px 8px;border-radius:var(--rs);
  border:1.5px solid var(--c-border);
  background:var(--c-bg);
  cursor:pointer;font-size:.8rem;color:var(--c-td);
  transition:border-color var(--dur),background var(--dur),color var(--dur);
  margin:0;font-weight:600;text-align:center;
  white-space:nowrap;
}
.chip label:hover{border-color:var(--c-accent2);}
.chip input:checked+label{
  border-color:var(--c-accent);
  background:var(--c-accent-bg);
  color:var(--c-accent-ink);
  font-weight:700;
}
.chip input:focus-visible+label{outline:2px solid var(--c-accent2);outline-offset:2px;}

/* ─── ACTIVITY WIDGET — work + exercise + steps ───────────────────── */
.act-box{
  background:var(--c-bg);
  border:1.5px solid var(--c-border);
  border-radius:var(--rs);
  overflow:hidden;
}
.act-row{padding:16px 18px;}
.act-row+.act-row{border-top:1px solid var(--c-border-light);}
.act-row-head{
  font-size:.7rem;font-weight:700;
  color:var(--c-td);letter-spacing:.6px;
  text-transform:uppercase;margin-bottom:11px;
}
.act-cards{display:flex;gap:8px;flex-wrap:wrap;}
.ac{flex:1;min-width:58px;}
.ac input{position:absolute;opacity:0;pointer-events:none;}
.ac label{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;padding:11px 6px;min-height:52px;
  border-radius:var(--rxs);
  border:1.5px solid var(--c-border);
  background:var(--c-surface);
  cursor:pointer;font-size:.72rem;color:var(--c-td);font-weight:600;
  transition:border-color var(--dur),background var(--dur),color var(--dur);
  text-align:center;line-height:1.45;
}
.ac label:hover{border-color:var(--c-accent2);}
.ac input:checked+label{
  border-color:var(--c-accent);
  background:var(--c-accent-bg);
  color:var(--c-accent-ink);
  font-weight:700;
}
.ac input:focus-visible+label{outline:2px solid var(--c-accent2);outline-offset:2px;}

/* Steps selector row */
.steps-row{
  border-top:1px solid var(--c-border-light);
  padding:15px 18px;
}
.steps-row-head{
  font-size:.7rem;font-weight:700;color:var(--c-td);
  letter-spacing:.6px;text-transform:uppercase;margin-bottom:11px;
}
.steps-cards{display:flex;gap:7px;flex-wrap:wrap;}
.sc{flex:1;min-width:52px;}
.sc input{position:absolute;opacity:0;pointer-events:none;}
.sc label{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;padding:10px 5px;min-height:46px;
  border-radius:var(--rxs);border:1.5px solid var(--c-border);
  background:var(--c-surface);cursor:pointer;
  font-size:.68rem;color:var(--c-td);font-weight:600;
  transition:border-color var(--dur),background var(--dur),color var(--dur);
  text-align:center;line-height:1.4;
}
.sc label:hover{border-color:var(--c-accent2);}
.sc input:checked+label{
  border-color:var(--c-accent);
  background:var(--c-accent-bg);
  color:var(--c-accent-ink);
  font-weight:700;
}
.sc input:focus-visible+label{outline:2px solid var(--c-accent2);outline-offset:2px;}
/* Live steps readout */
.steps-display{
  display:flex;align-items:center;gap:11px;
  margin-top:11px;padding:9px 13px;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--rxs);
}
.steps-count{
  font-family:var(--font-display);font-weight:600;
  font-size:1.15rem;color:var(--c-accent-ink);
  transition:color .3s;flex-shrink:0;
}
.steps-sublabel{font-size:.68rem;color:var(--c-tm);flex:1;}
.steps-track-wrap{width:70px;height:5px;background:var(--c-bg2);border-radius:100px;overflow:hidden;flex-shrink:0;}
.steps-track-fill{
  height:100%;border-radius:100px;
  background:var(--c-accent2);
  transition:width .5s var(--ease);
}
/* Multiplier readout */
.act-readout{
  padding:12px 18px;
  border-top:1px solid var(--c-border-light);
  background:var(--c-surface);
  display:flex;align-items:center;justify-content:space-between;
  font-size:.8rem;
}
.act-readout-left{color:var(--c-tm);}
.act-readout-right{display:flex;align-items:center;gap:9px;}
.mult-chip{
  font-size:.73rem;padding:3px 10px;border-radius:100px;
  background:var(--c-bg);border:1px solid var(--c-border);
  color:var(--c-td);font-weight:700;
  font-variant-numeric:tabular-nums;
}
.act-level{
  font-family:var(--font-display);font-weight:600;
  font-size:1rem;color:var(--c-accent-ink);
}

/* CTA BUTTON */
.cta{
  width:100%;padding:14px;
  background:var(--c-accent);
  color:#fff;border:none;border-radius:var(--rs);
  font-size:.95rem;font-weight:700;
  transition:background var(--dur),box-shadow var(--dur);
  margin-top:10px;
  letter-spacing:.2px;
}
.cta:hover{background:#234d25;}
[data-dark] .cta:hover{background:#356b39;}
.cta:active{box-shadow:inset 0 2px 4px rgba(0,0,0,.15);}
.cta:focus-visible{outline:3px solid var(--c-accent3);outline-offset:2px;}

/* RESULT CARD */
.result-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-top:3px solid var(--c-accent);
  border-radius:var(--r);
  padding:34px;margin-bottom:18px;
  box-shadow:var(--shadow-sm);
}

/* BIG NUMBER */
.big-num-wrap{text-align:center;padding-top:8px;margin-bottom:28px;}
.big-num{
  font-family:var(--font-display);font-weight:600;
  font-size:5.2rem;line-height:1;
  letter-spacing:-.03em;
  color:var(--c-accent-ink);
  font-variant-numeric:tabular-nums;
  animation:numIn .3s var(--ease) both;
}
@keyframes numIn{from{opacity:0;transform:translateY(6px);}}
.big-unit{font-size:.87rem;color:var(--c-tm);margin-top:8px;letter-spacing:.4px;}
.result-badge{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:14px;padding:6px 20px;border-radius:100px;
  font-size:.82rem;font-weight:700;
  border:1px solid transparent;
}
.result-badge:empty{display:none;}
.badge-good  {background:rgba(34,197,94,.1); color:#15803d;border-color:rgba(34,197,94,.35);}
.badge-low   {background:rgba(59,130,246,.1);color:#1d4ed8;border-color:rgba(59,130,246,.35);}
.badge-warn  {background:rgba(234,179,8,.12);color:#92400e;border-color:rgba(234,179,8,.4);}
.badge-danger{background:rgba(239,68,68,.1); color:#b91c1c;border-color:rgba(239,68,68,.35);}
.badge-info  {background:var(--c-accent-bg);color:var(--c-accent-ink);border-color:var(--c-accent-bg2);}
[data-dark] .badge-good  {color:#6ee7a0;}
[data-dark] .badge-low   {color:#93c5fd;}
[data-dark] .badge-warn  {color:#fcd34d;}
[data-dark] .badge-danger{color:#fca5a5;}

/* ─── BMI SPECTRUM BAR ─────────────────────────────────────────────
   direction:ltr so gradient reads left=low, right=high even in RTL */
.bmi-spectrum{margin:26px 0 20px;}
.spectrum-labels{
  display:flex;justify-content:space-between;
  font-size:.64rem;font-weight:700;
  margin-bottom:9px;direction:ltr;padding:0 2px;
}
.spectrum-wrap{direction:ltr;position:relative;}
.spectrum-track{
  height:12px;border-radius:100px;
  background:linear-gradient(to right,
    #60a5fa   0%,
    #60a5fa   14%,
    #4ade80   14%,
    #4ade80   40%,
    #facc15   40%,
    #facc15   60%,
    #fb923c   60%,
    #fb923c   80%,
    #f87171   80%,
    #f87171   100%
  );
  box-shadow:inset 0 1px 3px rgba(0,0,0,.1);
}
.spectrum-needle{
  position:absolute;top:-9px;
  transition:left 1s var(--ease);
  transform:translateX(-50%);
}
.needle-pin{
  width:30px;height:30px;
  background:var(--c-surface);
  border-radius:50%;
  border:2px solid var(--c-tx);
  box-shadow:var(--shadow-sm);
  display:flex;align-items:center;justify-content:center;
}
.needle-core{
  width:10px;height:10px;border-radius:50%;
  background:var(--c-accent);
}
/* Zone tags below bar */
.zone-tags{
  display:flex;gap:7px;flex-wrap:wrap;
  margin-top:16px;direction:rtl;
}
.ztag{
  font-size:.68rem;font-weight:600;
  padding:4px 12px;border-radius:100px;border:1px solid;
}
.ztag-blue  {color:#1d4ed8;border-color:rgba(59,130,246,.35);background:rgba(59,130,246,.08);}
.ztag-green {color:#15803d;border-color:rgba(34,197,94,.35); background:rgba(34,197,94,.08);}
.ztag-yellow{color:#92400e;border-color:rgba(234,179,8,.4);  background:rgba(234,179,8,.1);}
.ztag-orange{color:#c2410c;border-color:rgba(249,115,22,.35);background:rgba(249,115,22,.08);}
.ztag-red   {color:#b91c1c;border-color:rgba(239,68,68,.35); background:rgba(239,68,68,.08);}
[data-dark] .ztag-blue  {color:#93c5fd;}
[data-dark] .ztag-green {color:#6ee7a0;}
[data-dark] .ztag-yellow{color:#fcd34d;}
[data-dark] .ztag-orange{color:#fdba74;}
[data-dark] .ztag-red   {color:#fca5a5;}

/* STATS GRID */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(130px,1fr));
  gap:10px;margin-top:20px;
}
.stat-box{
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-radius:var(--rs);
  padding:15px 14px;text-align:center;
  transition:border-color var(--dur);
}
.stat-box:hover{border-color:var(--c-accent2);}
.stat-val{
  font-family:var(--font-display);font-weight:600;
  font-size:1.22rem;color:var(--c-accent-ink);
  font-variant-numeric:tabular-nums;
}
.stat-lbl{font-size:.68rem;color:var(--c-tm);margin-top:5px;line-height:1.45;}

/* TIPS */
.tips-box{
  margin-top:20px;
  background:var(--c-accent-bg);
  border:1px solid var(--c-accent-bg2);
  border-radius:var(--rs);padding:20px;
}
.tips-head{
  font-size:.7rem;font-weight:700;color:var(--c-accent-ink);
  margin-bottom:13px;
  letter-spacing:.6px;text-transform:uppercase;
}
.tip-item{
  display:flex;align-items:flex-start;gap:10px;
  margin-bottom:9px;font-size:.84rem;color:var(--c-td);line-height:1.7;
}
.tip-item:last-child{margin-bottom:0;}
.tip-dot{
  width:5px;height:5px;flex-shrink:0;
  background:var(--c-accent2);border-radius:50%;margin-top:9px;
}

/* MACRO BARS */
.macro-wrap{
  margin-top:20px;
  background:var(--c-bg);border:1px solid var(--c-border);
  border-radius:var(--rs);padding:20px;
}
.macro-title{
  font-size:.7rem;color:var(--c-tm);text-transform:uppercase;
  letter-spacing:.7px;margin-bottom:16px;font-weight:700;
}
.macro-row{display:flex;align-items:center;gap:12px;margin-bottom:11px;}
.macro-row:last-child{margin-bottom:0;}
.macro-name{
  font-size:.78rem;color:var(--c-td);font-weight:700;
  width:86px;text-align:right;flex-shrink:0;
}
.macro-track{
  flex:1;height:8px;
  background:var(--c-bg2);border-radius:100px;overflow:hidden;
}
.macro-fill{
  height:100%;border-radius:100px;
  transition:width 1s var(--ease);
}
.macro-val{font-size:.76rem;color:var(--c-td);width:80px;flex-shrink:0;text-align:left;font-variant-numeric:tabular-nums;}

/* WATER RING */
.water-ring-wrap{
  position:relative;width:124px;height:124px;margin:0 auto 16px;
}
.water-ring-wrap svg{transform:rotate(-90deg);}
.water-ring-inner{
  position:absolute;inset:0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
}
.water-num{
  font-family:var(--font-display);font-weight:600;
  font-size:1.8rem;color:var(--c-accent-ink);line-height:1;
}
.water-unit{font-size:.62rem;color:var(--c-tm);margin-top:2px;letter-spacing:.4px;}

.water-tips{display:flex;flex-direction:column;gap:8px;margin-top:18px;}
.water-tip{
  display:flex;align-items:center;gap:11px;
  font-size:.82rem;color:var(--c-td);line-height:1.7;
  background:var(--c-bg);border:1px solid var(--c-border);
  border-radius:var(--rs);padding:10px 14px;
}

/* IDEAL WEIGHT — method cards */
.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;}
.method-card{
  background:var(--c-bg);border:1px solid var(--c-border);
  border-radius:var(--rs);padding:15px;text-align:center;
  transition:border-color var(--dur);
}
.method-card:hover{border-color:var(--c-accent2);}
.method-val{
  font-family:var(--font-display);font-weight:600;
  font-size:1.35rem;color:var(--c-accent-ink);
  font-variant-numeric:tabular-nums;
}
.method-name{font-size:.66rem;color:var(--c-td);margin-top:3px;font-weight:700;}
.method-note{font-size:.7rem;color:var(--c-tm);margin-top:3px;}

/* BMI reference table */
.bmi-ref{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px;}
.bmi-ref-item{
  padding:13px;border-radius:var(--rs);
  border:1px solid var(--c-border);
  background:var(--c-bg);
  border-inline-start-width:3px;
}
.bmi-ref-item.ref-blue  {border-inline-start-color:#3b82f6;}
.bmi-ref-item.ref-green {border-inline-start-color:#22c55e;}
.bmi-ref-item.ref-yellow{border-inline-start-color:#eab308;}
.bmi-ref-item.ref-red   {border-inline-start-color:#ef4444;}
.bmi-ref-range{
  font-family:var(--font-display);font-weight:600;
  font-size:1.02rem;margin-bottom:3px;color:var(--c-tx);
  font-variant-numeric:tabular-nums;
}
.bmi-ref-name{font-size:.72rem;color:var(--c-tm);}

/* SIDEBAR — printed fact-sheet style */
.sidebar{display:flex;flex-direction:column;gap:14px;position:sticky;top:80px;}
.side-card{
  border-top:2.5px solid var(--c-tx);
  border-bottom:2.5px solid var(--c-tx);
  padding:14px 2px;
}
.side-title{
  font-size:.72rem;font-weight:700;color:var(--c-tx);
  letter-spacing:.7px;text-transform:uppercase;
  margin-bottom:8px;
}
.side-row{
  display:flex;justify-content:space-between;align-items:baseline;gap:8px;
  padding:8px 0;border-bottom:1px solid var(--c-border);
  font-size:.78rem;
}
.side-row:last-child{border-bottom:none;}
.side-k{color:var(--c-td);}
.side-v{
  font-family:var(--font-display);font-weight:600;font-size:.92rem;
  color:var(--c-accent-ink);white-space:nowrap;
  font-variant-numeric:tabular-nums;
}

/* FOOTER */
footer{
  position:relative;z-index:1;margin-top:56px;
  border-top:1px solid var(--c-border);
  background:var(--c-surface);
}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;
  gap:40px;padding:44px 0 34px;
  max-width:960px;margin:0 auto;padding-inline:22px;
}
.footer-brand .footer-logo{
  font-family:var(--font-display);font-style:italic;font-weight:600;
  font-size:1.35rem;color:var(--c-accent-ink);margin-bottom:10px;
}
.footer-brand p{
  font-size:.81rem;color:var(--c-tm);line-height:1.8;max-width:230px;
}
.footer-col-title{
  font-size:.7rem;font-weight:700;color:var(--c-td);
  letter-spacing:.7px;text-transform:uppercase;
  margin-bottom:14px;
}
.footer-col a{
  display:block;font-size:.81rem;color:var(--c-tm);
  text-decoration:none;margin-bottom:9px;
  transition:color .15s;
}
.footer-col a:hover{color:var(--c-accent-ink);}
.footer-contact-item{
  font-size:.8rem;color:var(--c-tm);margin-bottom:10px;line-height:1.6;
}
.footer-contact-item a{
  color:var(--c-accent-ink);text-decoration:none;font-weight:600;
  word-break:break-all;
}
.footer-contact-item a:hover{text-decoration:underline;}
.footer-bottom{
  border-top:1px solid var(--c-border-light);
  padding:16px 22px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:10px;
  max-width:960px;margin:0 auto;
}
.footer-copy{font-size:.73rem;color:var(--c-tm);}
.footer-disc{
  font-size:.71rem;color:var(--c-tm);
  max-width:480px;line-height:1.7;text-align:right;
}

/* INFO MODAL */
.modal-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(20,17,13,.5);
  backdrop-filter:blur(3px);
  display:flex;align-items:flex-end;justify-content:center;
  opacity:0;pointer-events:none;
  transition:opacity .2s;
}
.modal-overlay.open{opacity:1;pointer-events:all;}
.modal-sheet{
  background:var(--c-surface);
  border-radius:var(--r) var(--r) 0 0;
  padding:28px 24px 40px;
  width:100%;max-width:600px;
  max-height:80vh;overflow-y:auto;
  transform:translateY(30px);
  transition:transform .25s var(--ease);
  position:relative;
}
.modal-overlay.open .modal-sheet{transform:translateY(0);}
.modal-handle{
  width:40px;height:4px;background:var(--c-border);
  border-radius:100px;margin:0 auto 20px;
}
.modal-title{
  font-size:1.25rem;font-weight:700;color:var(--c-tx);margin-bottom:14px;
}
.modal-body{font-size:.88rem;color:var(--c-td);line-height:1.85;}
.modal-body p{margin-bottom:12px;}
.modal-body ul{padding-right:18px;margin-bottom:12px;}
.modal-body li{margin-bottom:6px;}
.modal-close{
  position:absolute;top:20px;right:20px;
  width:32px;height:32px;border-radius:50%;
  background:var(--c-bg2);border:none;
  font-size:1rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-td);transition:background .15s;
}
.modal-close:hover{background:var(--c-border);}

/* ─── AD SLOTS ─────────────────────────────────────────────────────
   Hidden until AdSense is enabled (initAds adds .ads-on to <html>). */
.ad-slot{display:none;}
.ads-on .ad-slot{
  display:flex;align-items:center;justify-content:center;
  margin:16px auto;overflow:hidden;
}
.ad-slot.ad-leaderboard{width:100%;max-width:728px;min-height:90px;}
.ad-slot.ad-rectangle{width:300px;max-width:100%;min-height:250px;}

/* ─── HEADER TOGGLES ──────────────────────────────────────────────── */
#lang-toggle{
  padding:6px 9px;
  border-radius:var(--rxs);
  border:1.5px solid var(--c-border);
  background:var(--c-surface);
  font-size:.78rem;font-weight:600;
  color:var(--c-td);cursor:pointer;
  transition:border-color .15s,color .15s;
  font-family:inherit;margin-right:8px;
  appearance:none;-webkit-appearance:none;
  outline:none;max-width:110px;
}
#lang-toggle:hover,#lang-toggle:focus{border-color:var(--c-accent);color:var(--c-accent-ink);}
[dir="ltr"] #lang-toggle{margin-right:0;margin-left:8px;}

#dark-toggle{
  width:34px;height:34px;border-radius:var(--rxs);
  border:1.5px solid var(--c-border);
  background:var(--c-surface);
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .15s,background .15s;flex-shrink:0;
  color:var(--c-td);
}
#dark-toggle svg{width:16px;height:16px;stroke:currentColor;fill:none;
  stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
#dark-toggle:hover{border-color:var(--c-accent);color:var(--c-accent-ink);}

#unit-toggle{
  height:34px;padding:0 10px;border-radius:var(--rxs);
  border:1.5px solid var(--c-border);background:var(--c-surface);
  cursor:pointer;font-size:.78rem;font-weight:700;
  display:flex;align-items:center;white-space:nowrap;
  transition:border-color .15s,color .15s;flex-shrink:0;color:var(--c-td);
}
#unit-toggle:hover{border-color:var(--c-accent);color:var(--c-accent-ink);}

/* ─── TOASTS ──────────────────────────────────────────────────────── */
#toast-container{
  position:fixed;top:74px;left:50%;
  transform:translateX(-50%);
  z-index:9999;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  pointer-events:none;
  width:90%;max-width:420px;
}
.toast{
  padding:12px 22px;
  border-radius:var(--rs);
  font-size:.875rem;font-weight:600;
  color:#fff;
  box-shadow:var(--shadow-lg);
  animation:toastIn .22s var(--ease) both, toastOut .22s 2.78s var(--ease) forwards;
  pointer-events:auto;
  text-align:center;width:100%;
}
.toast-error  {background:#b91c1c;}
.toast-success{background:var(--c-accent);}
.toast-info   {background:var(--c-blue);}
@keyframes toastIn {from{opacity:0;transform:translateY(-10px);}}
@keyframes toastOut{to  {opacity:0;transform:translateY(-10px);}}

/* ─── COPY / SHARE BUTTONS ────────────────────────────────────────── */
.copy-btn{
  display:flex;align-items:center;gap:6px;
  margin:16px auto 4px;
  padding:10px 22px;border-radius:var(--rs);
  border:1.5px solid var(--c-border);background:var(--c-surface);
  cursor:pointer;font-size:.86rem;font-weight:700;
  color:var(--c-accent-ink);transition:border-color .15s,background .15s;
  width:100%;justify-content:center;
}
.copy-btn:hover{border-color:var(--c-accent);background:var(--c-accent-bg);}
.share-btn{
  display:flex;align-items:center;gap:6px;
  margin:8px auto 4px;
  padding:10px 22px;border-radius:var(--rs);
  border:1.5px solid var(--c-accent);background:transparent;
  cursor:pointer;font-size:.86rem;font-weight:700;
  color:var(--c-accent-ink);transition:background .15s;
  width:100%;justify-content:center;
  font-family:inherit;
}
.share-btn:hover{background:var(--c-accent-bg);}

/* ─── BMI HISTORY ─────────────────────────────────────────────────── */
#bmi-history{
  margin-top:18px;border:1.5px solid var(--c-border);
  border-radius:var(--rs);overflow:hidden;
}
.hist-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;background:var(--c-surface);
  border-bottom:1px solid var(--c-border);
}
.hist-title{font-weight:700;font-size:.92rem;color:var(--c-tx);}
.hist-clear{
  padding:4px 12px;border:1px solid var(--c-border);border-radius:var(--rxs);
  background:transparent;cursor:pointer;font-size:.8rem;color:var(--c-tm);
  transition:border-color .15s,color .15s;
}
.hist-clear:hover{border-color:var(--c-red);color:var(--c-red);}
.hist-list{display:flex;flex-direction:column;}
.hist-entry{
  display:grid;grid-template-columns:1fr auto auto 1fr;
  gap:8px;align-items:center;
  padding:10px 16px;font-size:.875rem;
  border-bottom:1px solid var(--c-border-light);
}
.hist-entry:last-child{border-bottom:none;}
.hist-bmi{font-family:var(--font-display);font-weight:600;font-size:1.05rem;color:var(--c-accent-ink);}
.hist-date{color:var(--c-tm);font-size:.8rem;font-variant-numeric:tabular-nums;}
.hist-weight{color:var(--c-td);font-weight:600;}
.hist-label{color:var(--c-tm);font-size:.8rem;text-align:end;}
.hist-empty{
  padding:18px;text-align:center;color:var(--c-tm);
  font-size:.875rem;margin:0;
}

/* ─── LTR OVERRIDES (English / French / Spanish) ──────────────────── */
[dir="ltr"] .cta          {direction:ltr;}
[dir="ltr"] .footer-disc  {text-align:left;}
[dir="ltr"] .input-unit   {left:auto;right:14px;}
[dir="ltr"] input[type=number]{padding:12px 52px 12px 15px;}
[dir="ltr"] .modal-close  {right:auto;left:20px;}
[dir="ltr"] .zone-tags    {direction:ltr;}
[dir="ltr"] .macro-name   {text-align:left;}
[dir="ltr"] .macro-val    {text-align:right;}
[dir="ltr"] .modal-body ul{padding-right:0;padding-left:18px;}

/* ═══════════════════════════════════════════════════════════════════
   SEO / CONTENT SECTIONS (sub-pages + static pages)
   ═══════════════════════════════════════════════════════════════════ */
.seo-section{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r);padding:28px 32px;margin-bottom:24px;
  box-shadow:var(--shadow-xs);
}
.seo-section h1{font-size:1.5rem;font-weight:700;color:var(--c-tx);margin-bottom:10px;line-height:1.4;}
.seo-section h2{font-size:1.12rem;font-weight:700;color:var(--c-tx);margin:22px 0 8px;}
.seo-section h3{font-size:.98rem;font-weight:700;color:var(--c-tx);margin:16px 0 6px;}
.seo-section p{color:var(--c-td);font-size:.92rem;line-height:1.85;margin-bottom:10px;}
.seo-section ul,.seo-section ol{padding-inline-start:20px;margin-bottom:12px;color:var(--c-td);font-size:.92rem;line-height:1.85;}
.seo-section li{margin-bottom:5px;}
.seo-section .seo-sub{color:var(--c-td);font-size:.95rem;line-height:1.8;margin-bottom:0;}
.seo-section a{color:var(--c-accent-ink);}
.seo-section table{clear:both;}

/* Spot illustration — floats beside the intro text */
.seo-illus{
  float:inline-end;width:94px;height:94px;
  color:var(--c-tx);
  margin-inline-start:20px;margin-bottom:6px;
}
@media(max-width:600px){
  .seo-illus{width:70px;height:70px;margin-inline-start:12px;}
}

/* Pulse divider — brand heartbeat rule */
.pulse-divider{
  max-width:420px;margin:46px auto 0;
  color:var(--c-border);
}
.pulse-divider svg{
  width:100%;height:auto;display:block;
  stroke:currentColor;fill:none;
  stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;
}
.pulse-divider .beat{stroke:var(--c-accent2);}
[data-dark] .pulse-divider{color:var(--c-border);}

/* Homepage content block */
.content-section{
  margin:44px 0 8px;
  border-top:1px solid var(--c-border);
  padding-top:36px;
}
.content-section h2{font-size:1.3rem;font-weight:700;color:var(--c-tx);margin-bottom:12px;}
.content-section h3{font-size:1rem;font-weight:700;color:var(--c-tx);margin:20px 0 6px;}
.content-section p{color:var(--c-td);font-size:.92rem;line-height:1.9;margin-bottom:10px;max-width:640px;}
.content-section a{color:var(--c-accent-ink);font-weight:600;}
.content-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px 36px;margin-top:8px;}
@media(max-width:720px){.content-cols{grid-template-columns:1fr;}}

/* ── Calculator scroll-down link ─────────────────────────────────── */
.calc-arrow{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin:-10px 0 16px;padding:10px 0;
  cursor:pointer;
  color:var(--c-accent-ink);font-size:.88rem;font-weight:700;
}
.calc-arrow:hover{text-decoration:underline;}
.calc-arrow-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--c-accent);
  color:var(--c-accent-ink);
  flex-shrink:0;
}
.calc-arrow-icon svg{width:13px;height:13px;stroke:currentColor;fill:none;
  stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.calc-arrow-label{letter-spacing:.01em;}

/* ── Breadcrumb ──────────────────────────────────────────────────── */
.breadcrumb{
  font-size:.82rem;color:var(--c-tm);margin-bottom:14px;
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--c-accent-ink);text-decoration:none;}
.breadcrumb a:hover{text-decoration:underline;}
.breadcrumb .bc-sep{opacity:.5;}

/* ── FAQ accordion ───────────────────────────────────────────────── */
.faq-section{margin-top:32px;}
.faq-section h2{font-size:1.2rem;font-weight:700;color:var(--c-tx);margin-bottom:16px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--rs);margin-bottom:10px;overflow:hidden;
}
.faq-h{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit;}
.faq-q{
  width:100%;padding:15px 20px;font-weight:700;font-size:.92rem;color:var(--c-tx);
  cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;
  outline:none;background:none;border:none;text-align:start;
  font-family:inherit;line-height:1.6;
}
.faq-q:focus-visible{box-shadow:inset 0 0 0 2px var(--c-accent);}
.faq-q::after{content:'+';font-size:1.2rem;color:var(--c-accent-ink);flex-shrink:0;transition:transform .2s;line-height:1;}
.faq-item.open .faq-q::after{transform:rotate(45deg);}
.faq-a{display:none;padding:0 20px 16px;color:var(--c-td);font-size:.9rem;line-height:1.8;}
.faq-item.open .faq-a{display:block;animation:panIn .2s var(--ease);}

/* ── Related calculators ─────────────────────────────────────────── */
.related-box{
  margin-top:24px;padding:20px;
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--rs);
}
.related-title{font-weight:700;margin-bottom:12px;font-size:.92rem;color:var(--c-tx);}
.related-calcs{display:flex;flex-wrap:wrap;gap:10px;}
.related-calc-link{
  display:flex;align-items:center;gap:8px;padding:9px 15px;
  background:var(--c-bg);border:1px solid var(--c-border);
  border-radius:var(--rxs);text-decoration:none;color:var(--c-td);
  font-size:.86rem;font-weight:600;transition:border-color .15s,color .15s;
}
.related-calc-link:hover{border-color:var(--c-accent);color:var(--c-accent-ink);}

/* ── Formula box + data tables ───────────────────────────────────── */
.bmi-formula-box{
  background:var(--c-accent-bg);border:1px solid var(--c-accent-bg2);
  border-radius:var(--rs);padding:15px 20px;margin:14px 0;
  text-align:center;font-size:1rem;font-weight:700;color:var(--c-accent-ink);direction:ltr;
}
.who-table,.protein-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:.88rem;}
.who-table th,.protein-table th{
  background:var(--c-accent);color:#fff;padding:8px 14px;text-align:center;font-weight:700;
}
.who-table td,.protein-table td{
  padding:8px 14px;border-bottom:1px solid var(--c-border);text-align:center;
  font-variant-numeric:tabular-nums;
}
.who-table tr:last-child td,.protein-table tr:last-child td{border-bottom:none;}

/* ── TDEE steps / water tips / methods explainer ─────────────────── */
.tdee-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-top:14px;}
.tdee-step{background:var(--c-accent-bg);border:1px solid var(--c-accent-bg2);border-radius:var(--rs);padding:12px 14px;text-align:center;}
.tdee-step-num{font-family:var(--font-display);font-weight:600;font-size:1.35rem;color:var(--c-accent-ink);}
.tdee-step-lbl{font-size:.78rem;color:var(--c-td);margin-top:2px;}

.water-tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-top:14px;}
.water-tip-card{background:rgba(59,130,246,.07);border:1px solid rgba(59,130,246,.22);border-radius:var(--rs);padding:12px 14px;text-align:center;font-size:.84rem;color:var(--c-td);}
.water-tip-card strong{display:block;font-size:1.05rem;color:var(--c-blue);margin-bottom:2px;}

.methods-explainer{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-top:14px;}
.method-card-name{font-weight:700;font-size:.9rem;color:var(--c-accent-ink);}
.method-card-year{font-size:.75rem;color:var(--c-tm);margin-top:2px;}

/* ── Active nav link (current page) ──────────────────────────────── */
.snav-current{
  color:var(--c-accent-ink)!important;
  background:var(--c-accent-bg)!important;
}

/* ─── WEIGHT GOAL PROJECTION ──────────────────────────────────────── */
.projection-card{
  margin-top:20px;
  background:var(--c-accent-bg);
  border:1px solid var(--c-accent-bg2);
  border-radius:var(--rs);padding:22px;text-align:center;
}
.proj-title{
  font-size:.7rem;font-weight:700;color:var(--c-accent-ink);
  letter-spacing:.6px;text-transform:uppercase;margin-bottom:12px;
}
.proj-main{
  display:flex;align-items:baseline;justify-content:center;gap:8px;
  margin-bottom:8px;
}
.proj-num{
  font-family:var(--font-display);font-weight:600;font-size:3.2rem;
  line-height:1;color:var(--c-accent-ink);
  font-variant-numeric:tabular-nums;
}
.proj-unit{font-size:1rem;color:var(--c-td);font-weight:700;}
.proj-detail{font-size:.83rem;color:var(--c-td);margin-bottom:6px;font-weight:600;}
.proj-note{font-size:.73rem;color:var(--c-tm);}

/* ─── BODY FAT ────────────────────────────────────────────────────── */
.bf-ring-wrap{
  position:relative;width:140px;height:140px;margin:0 auto 18px;
}
.bf-ring-wrap svg{transform:rotate(-90deg);}
.bf-cats{
  display:grid;grid-template-columns:repeat(5,1fr);
  gap:6px;margin:18px 0;
}
.bf-cat{
  padding:8px 4px;border-radius:var(--rxs);text-align:center;
  font-size:.64rem;font-weight:700;border:1.5px solid var(--c-border);
  background:var(--c-bg);color:var(--c-tm);transition:border-color .2s,color .2s,background .2s;
}
.bf-cat.active{
  border-color:var(--c-accent);background:var(--c-accent-bg);
  color:var(--c-accent-ink);
}
.bf-cat-pct{font-size:.7rem;margin-top:2px;opacity:.8;font-variant-numeric:tabular-nums;}

/* ─── MOBILE ──────────────────────────────────────────────────────── */
@media(max-width:720px){
  .page-grid{grid-template-columns:1fr!important;}
  .sidebar{display:none!important;}
  .grid-2{grid-template-columns:1fr;}

  .card,.result-card{padding:20px 16px;}
  .big-num{font-size:3.6rem;}

  .site-nav-inner{height:54px;padding:0 14px;}
  .snav-wordmark{font-size:1.05rem;}
  .snav-a:not(.snav-cta){display:none;}
  .snav-cta{padding:7px 14px;font-size:.8rem;margin-right:0;}
  #unit-toggle{display:none;}
  #lang-toggle{max-width:88px;font-size:.72rem;padding:5px 7px;}

  .nav-btn{padding:10px 11px 11px;font-size:.8rem;}

  .stats-grid{grid-template-columns:1fr 1fr;}
  .bmi-ref,.method-grid{grid-template-columns:1fr 1fr;}

  .act-cards,.steps-cards{gap:5px;}
  .ac label{padding:9px 4px;font-size:.67rem;}
  .sc label{padding:9px 4px;font-size:.64rem;}
  .act-row{padding:12px 14px;}
  .steps-row{padding:12px 14px;}

  .footer-top{grid-template-columns:1fr 1fr;gap:22px;padding:30px 16px 22px;}
  .footer-brand{grid-column:1/-1;}
  .footer-bottom{flex-direction:column;text-align:center;padding:14px 16px;}
  .footer-disc{text-align:center;max-width:100%;}

  .bf-cats{grid-template-columns:repeat(3,1fr);}
  .proj-num{font-size:2.6rem;}
  .seo-section{padding:20px 18px;}
  .seo-section h1{font-size:1.25rem;}
}

/* ─── PRINT ───────────────────────────────────────────────────────── */
@media print{
  .site-nav,.nav,.ad-slot,.copy-btn,.share-btn,.cta,
  .sidebar,footer,.modal-overlay,.breadcrumb,.calc-arrow,
  .faq-section,.seo-section,.content-section,.skip-link{display:none!important;}

  .panel:not(.active){display:none!important;}
  .result{display:block!important;}

  body{background:#fff!important;border-top:none!important;}
  .result-card,.card,.stat-box{box-shadow:none!important;border:1px solid #ddd!important;}

  *{animation:none!important;transition:none!important;}

  .page-grid{display:block!important;}
  .wrap{padding:0!important;}
}