/* FAF Tools — shared stylesheet (class-scoped, theme-aware, self-contained) */
.faf-tool,.faf-hub{
  --faf-bg:#ffffff; --faf-fg:#0f172a; --faf-muted:#64748b; --faf-line:#e2e8f0;
  --faf-accent:#e11d48; --faf-accent-fg:#fff; --faf-soft:#f8fafc; --faf-ok:#15803d; --faf-radius:14px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
/* Light mode only, matching the theme. */

.faf-tool *,.faf-hub *{box-sizing:border-box;}

/* ---- tool card shell ---- */
.faf-tool{
  max-width:720px;margin:1.5rem auto;padding:1.25rem;background:var(--faf-bg);color:var(--faf-fg);
  border:1px solid var(--faf-line);border-radius:var(--faf-radius);
  box-shadow:0 1px 3px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.05);
}
.faf-tool__title{font-size:1.4rem;line-height:1.2;margin:0 0 .25rem;font-weight:700;}
.faf-tool__sub{margin:0 0 1rem;color:var(--faf-muted);font-size:.95rem;}
.faf-tool__disclaimer{margin:.9rem 0 0;font-size:.75rem;color:var(--faf-muted);text-align:center;}

/* ---- form controls ---- */
.faf-controls{display:grid;gap:.9rem;align-items:end;}
.faf-controls--3{grid-template-columns:1fr auto 1fr;}
.faf-controls--2{grid-template-columns:1fr 1fr;}
.faf-field{display:flex;flex-direction:column;gap:.35rem;min-width:0;}
.faf-field label,.faf-field__label{font-size:.72rem;font-weight:700;color:var(--faf-muted);text-transform:uppercase;letter-spacing:.05em;}
.faf-tool input[type=number],.faf-tool select{
  width:100%;padding:.6rem .7rem;font-size:1.05rem;border:1px solid var(--faf-line);border-radius:10px;
  background:var(--faf-soft);color:var(--faf-fg);appearance:none;font-variant-numeric:tabular-nums;}
.faf-tool input:focus,.faf-tool select:focus,.faf-tool input[type=email]:focus{outline:2px solid var(--faf-accent);outline-offset:1px;border-color:transparent;}
.faf-seg{display:inline-flex;border:1px solid var(--faf-line);border-radius:10px;overflow:hidden;background:var(--faf-soft);}
.faf-seg__btn{border:0;background:transparent;padding:.6rem .95rem;font-size:1rem;font-weight:700;color:var(--faf-muted);cursor:pointer;}
.faf-seg__btn.is-active{background:var(--faf-accent);color:var(--faf-accent-fg);}

/* ---- results ---- */
.faf-result{margin:1.25rem 0 0;padding:1rem;background:var(--faf-soft);border-radius:12px;}
.faf-result__lead{text-align:center;font-size:1.05rem;font-variant-numeric:tabular-nums;}
.faf-result__lead b{font-size:1.5rem;}
.faf-warn{color:var(--faf-accent);font-weight:600;}
.faf-chips{display:flex;flex-wrap:wrap;gap:.4rem;justify-content:center;margin-top:.75rem;}
.faf-chip{font-size:.85rem;font-weight:600;padding:.3rem .6rem;border-radius:999px;background:var(--faf-bg);border:1px solid var(--faf-line);font-variant-numeric:tabular-nums;}
.faf-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.6rem;margin-top:.5rem;}
.faf-stat{background:var(--faf-bg);border:1px solid var(--faf-line);border-radius:10px;padding:.7rem;text-align:center;}
.faf-stat__n{font-size:1.35rem;font-weight:800;font-variant-numeric:tabular-nums;}
.faf-stat__l{font-size:.72rem;color:var(--faf-muted);text-transform:uppercase;letter-spacing:.04em;margin-top:.15rem;}
.faf-table{width:100%;border-collapse:collapse;margin-top:.6rem;font-variant-numeric:tabular-nums;}
.faf-table th,.faf-table td{padding:.4rem .5rem;text-align:left;border-bottom:1px solid var(--faf-line);font-size:.9rem;}
.faf-table th{color:var(--faf-muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;}
.faf-macrobar{display:flex;height:14px;border-radius:999px;overflow:hidden;margin:.75rem 0 .3rem;border:1px solid var(--faf-line);}
.faf-macrobar span{display:block;height:100%;}

/* ---- plate visual ---- */
.faf-pc__bar{display:flex;align-items:center;justify-content:center;gap:2px;min-height:120px;padding:.5rem 0;overflow-x:auto;}
.faf-pc__sleeve{height:14px;width:46px;background:linear-gradient(#cbd5e1,#94a3b8);border-radius:3px;flex:0 0 auto;}
.faf-pc__collar{height:26px;width:8px;background:#334155;border-radius:2px;flex:0 0 auto;}
.faf-plate{flex:0 0 auto;border-radius:5px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.68rem;font-weight:700;
  text-shadow:0 1px 1px rgba(0,0,0,.35);box-shadow:inset 0 0 0 2px rgba(255,255,255,.18);writing-mode:vertical-rl;transform:rotate(180deg);}

/* ---- space planner ---- */
.faf-sp__checks{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;margin-top:.9rem;}
@media (max-width:640px){ .faf-sp__checks{grid-template-columns:1fr;} }
.faf-sp__check{
  padding:.75rem .85rem;border-radius:11px;border:1px solid var(--faf-line);
  background:var(--faf-bg);display:flex;flex-direction:column;gap:.2rem;
}
.faf-sp__check strong{font-size:.95rem;}
.faf-sp__check span{font-size:.82rem;color:var(--faf-muted);line-height:1.45;}
.faf-sp__check.is-fit{border-left:4px solid #15803d;}
.faf-sp__check.is-no{border-left:4px solid var(--faf-accent);}
.faf-sp__h{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--faf-muted);margin:1.3rem 0 .45rem;font-weight:800;}
.faf-sp__h span{opacity:.7;font-weight:600;}
.faf-sp__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.35rem;}
.faf-sp__item{
  display:grid;grid-template-columns:minmax(150px,1.1fr) auto 2fr;gap:.6rem;align-items:baseline;
  padding:.55rem .7rem;border:1px solid var(--faf-line);border-radius:10px;background:var(--faf-bg);
}
.faf-sp__item.is-fit{border-left:4px solid #15803d;}
.faf-sp__item.is-tight{border-left:4px solid #b45309;}
.faf-sp__item.is-no{border-left:4px solid var(--faf-accent);opacity:.75;}
.faf-sp__name{font-weight:700;font-size:.93rem;}
.faf-sp__dim{font-size:.78rem;color:var(--faf-muted);font-variant-numeric:tabular-nums;white-space:nowrap;}
.faf-sp__why{font-size:.85rem;color:var(--faf-muted);line-height:1.45;}
@media (max-width:640px){
  .faf-sp__item{grid-template-columns:1fr auto;}
  .faf-sp__why{grid-column:1/-1;}
}

/* ---- BMI ---- */
.faf-bmi__chip{
  display:inline-block;font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
  padding:.2rem .55rem;border-radius:999px;margin-left:.4rem;vertical-align:middle;color:#fff;
}
.faf-bmi__chip.is-low{background:#0284c7;}
.faf-bmi__chip.is-good{background:#15803d;}
.faf-bmi__chip.is-warn{background:#b45309;}
.faf-bmi__chip.is-bad{background:var(--faf-accent);}
.faf-bmi__scale{position:relative;display:flex;height:12px;border-radius:999px;overflow:hidden;margin:1rem 0 .3rem;}
.faf-bmi__seg{display:block;height:100%;}
.faf-bmi__seg.is-low{flex:0 0 14%;background:#0284c7;}
.faf-bmi__seg.is-good{flex:0 0 26%;background:#15803d;}
.faf-bmi__seg.is-warn{flex:0 0 20%;background:#b45309;}
.faf-bmi__seg.is-bad{flex:1;background:var(--faf-accent);}
.faf-bmi__marker{
  position:absolute;top:-4px;width:4px;height:20px;background:var(--faf-fg);
  border-radius:2px;transform:translateX(-2px);box-shadow:0 0 0 2px var(--faf-soft);
}
.faf-bmi__ticks{display:flex;justify-content:space-between;font-size:.7rem;color:var(--faf-muted);font-variant-numeric:tabular-nums;}

/* ---- BMR ---- */
.faf-bmr__note{font-size:.9rem;color:var(--faf-muted);margin:.9rem 0 0;line-height:1.55;}
.faf-bmr__note strong{color:var(--faf-fg);}

/* ---- price per pound ---- */
.faf-ppp__row{
  display:grid;grid-template-columns:1.5fr 1.3fr .85fr .85fr .95fr 1.15fr auto;
  gap:.55rem;align-items:end;padding:.7rem;border:1px solid var(--faf-line);
  border-radius:12px;margin-bottom:.6rem;background:var(--faf-bg);
}
.faf-ppp__row.is-best{border-color:var(--faf-accent);box-shadow:0 0 0 1px var(--faf-accent) inset;}
.faf-ppp__row input[type=text]{
  width:100%;padding:.6rem .7rem;font-size:1rem;border:1px solid var(--faf-line);
  border-radius:10px;background:var(--faf-soft);color:var(--faf-fg);font-family:inherit;
}
.faf-ppp__result{display:flex;flex-direction:column;gap:.15rem;padding-bottom:.15rem;}
.faf-ppp__ppl{font-size:1.05rem;font-weight:800;font-variant-numeric:tabular-nums;white-space:nowrap;}
.faf-ppp__verdict{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--faf-muted);}
.faf-ppp__verdict.is-good{color:var(--faf-ok);}
.faf-ppp__verdict.is-ok{color:var(--faf-muted);}
.faf-ppp__verdict.is-bad{color:var(--faf-accent);}
.faf-ppp__del{
  border:1px solid var(--faf-line);background:transparent;color:var(--faf-muted);
  border-radius:9px;width:34px;height:38px;font-size:1.15rem;line-height:1;cursor:pointer;
}
.faf-ppp__del:hover{border-color:var(--faf-accent);color:var(--faf-accent);}
.faf-ppp__add{
  border:1px dashed var(--faf-line);background:transparent;color:var(--faf-fg);
  border-radius:10px;padding:.6rem 1rem;font-weight:700;font-size:.92rem;cursor:pointer;font-family:inherit;
}
.faf-ppp__add:hover{border-color:var(--faf-accent);color:var(--faf-accent);}
.faf-ppp__save{color:var(--faf-ok);font-weight:700;}
.faf-ppp__ref{width:100%;border-collapse:collapse;margin:.5rem 0 0;font-variant-numeric:tabular-nums;}
.faf-ppp__ref th,.faf-ppp__ref td{padding:.5rem .6rem;border-bottom:1px solid var(--faf-line);text-align:left;font-size:.92rem;}
.faf-ppp__ref th{font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--faf-muted);}
.faf-ppp__ref td:last-child{white-space:nowrap;font-weight:700;}
@media (max-width:820px){
  .faf-ppp__row{grid-template-columns:1fr 1fr;position:relative;padding-top:1.1rem;}
  .faf-ppp__result{grid-column:1/-1;flex-direction:row;align-items:baseline;gap:.6rem;
    border-top:1px solid var(--faf-line);padding-top:.55rem;margin-top:.2rem;}
  .faf-ppp__del{position:absolute;top:.4rem;right:.4rem;width:28px;height:28px;font-size:1rem;}
}

/* ---- lead capture ---- */
.faf-lead{margin-top:1.25rem;padding:1rem;border:1px dashed var(--faf-line);border-radius:12px;display:flex;flex-direction:column;gap:.75rem;background:linear-gradient(180deg,rgba(225,29,72,.05),transparent);}
.faf-lead__copy strong{display:block;font-size:1rem;}
.faf-lead__copy span{color:var(--faf-muted);font-size:.9rem;}
.faf-lead__form{display:flex;gap:.5rem;flex-wrap:wrap;position:relative;}
.faf-lead__form input[type=email]{flex:1 1 200px;padding:.65rem .7rem;border:1px solid var(--faf-line);border-radius:10px;font-size:1rem;background:var(--faf-bg);color:var(--faf-fg);}
.faf-lead__form button{flex:0 0 auto;padding:.65rem 1.15rem;border:0;border-radius:10px;background:var(--faf-accent);color:var(--faf-accent-fg);font-weight:700;font-size:1rem;cursor:pointer;}
.faf-lead__form button:disabled{opacity:.6;cursor:default;}
.faf-lead__msg{flex:1 1 100%;margin:0;font-size:.88rem;min-height:1.1em;}
.faf-lead__msg.is-ok{color:var(--faf-ok);}
.faf-lead__msg.is-err{color:var(--faf-accent);}
.faf-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;}

/* ---- hub ---- */
.faf-hub{max-width:960px;margin:0 auto;padding:1rem;color:var(--faf-fg);}
.faf-hub__hero{text-align:center;padding:2rem 1rem 1rem;}
.faf-hub__eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--faf-accent);margin:0 0 .5rem;}
.faf-hub__h1{font-size:clamp(1.7rem,4.5vw,2.4rem);line-height:1.12;margin:0 auto .6rem;font-weight:800;text-wrap:balance;max-width:18ch;}
.faf-hub__lead{margin:0 auto;color:var(--faf-muted);font-size:1.05rem;max-width:60ch;}
.faf-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin:1.5rem 0;}
.faf-card{display:flex;flex-direction:column;gap:.4rem;padding:1.1rem;border:1px solid var(--faf-line);border-radius:var(--faf-radius);
  background:var(--faf-bg);color:inherit;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease;}
.faf-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(15,23,42,.08);border-color:var(--faf-accent);}
.faf-card__icon{font-size:1.5rem;line-height:1;}
.faf-card__title{font-size:1.05rem;font-weight:700;}
.faf-card__tag{font-size:.85rem;color:var(--faf-muted);}
.faf-card__cta{margin-top:auto;font-size:.82rem;font-weight:700;color:var(--faf-accent);}
.faf-card--soon{opacity:.7;pointer-events:none;}
.faf-card--soon .faf-card__cta{color:var(--faf-muted);}
.faf-hub__section{text-align:center;font-size:1.3rem;font-weight:700;margin:2rem 0 .25rem;}
.faf-hub__section-sub{text-align:center;color:var(--faf-muted);margin:0 0 .5rem;}

@media (max-width:560px){
  .faf-controls--3,.faf-controls--2{grid-template-columns:1fr;}
  .faf-field--units{order:-1;}
}
@media (prefers-reduced-motion:reduce){.faf-card{transition:none;}}