/* GenetixBay grow-room calculators (/knowledge/tools/). Tokens from gb.css; light, dark and seed follow the site theme.
   Same card language as the symptom checker (diagnose.css): paper card, 1.5px line border, soft shadow, green focus. */
.calc-head h1{max-width:22ch}
.calc{margin-top:6px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);border:1.5px solid var(--line);border-radius:var(--r-lg);background:var(--paper);box-shadow:var(--shadow);scroll-margin-top:90px}
.calc-form{padding:20px 22px 22px;border-right:1px solid var(--line-2);min-width:0}
.calc-res{padding:20px 22px 24px;min-width:0;background:linear-gradient(180deg,var(--green-wash),transparent 220px);border-radius:0 var(--r-lg) var(--r-lg) 0}
.calc-res-h{font-family:var(--f-mono);font-size:var(--fs-read);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:500;margin-bottom:12px}
.calc-wide{grid-template-columns:1fr}
.calc-wide .calc-form{border-right:0;border-bottom:1px solid var(--line-2)}
.calc-wide .calc-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 22px;align-items:start}
.calc-wide .calc-units,.calc-wide .calc-acts{grid-column:1/-1}
.calc-wide .calc-grp{grid-template-columns:1fr}
.calc-wide .calc-res{border-radius:0 0 var(--r-lg) var(--r-lg);background:linear-gradient(180deg,var(--green-wash),transparent 160px)}

/* units: segmented radios */
.calc-units{border:0;margin:0 0 6px;padding:0;display:flex;flex-wrap:wrap;gap:8px 14px}
.calc-seg{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}
.calc-seg-l{font-family:var(--f-mono);font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-right:2px}
.calc-seg-o{position:relative;display:inline-flex}
.calc-seg-o input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.calc-seg-o span{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink-2);font-size:.9rem;font-weight:600}
.calc-seg-o:first-of-type span{border-radius:var(--r-pill) 0 0 var(--r-pill)}
.calc-seg-o:last-of-type span{border-radius:0 var(--r-pill) var(--r-pill) 0;margin-left:-1.5px}
.calc-seg-o input:checked+span{background:var(--green-wash);border-color:var(--green-text);color:var(--green-text);position:relative;z-index:1}
.calc-seg-o input:focus-visible+span{outline:3px solid var(--green);outline-offset:2px;z-index:2}

/* field groups */
.calc-grp{border:0;margin:14px 0 0;padding:14px 0 0;border-top:1px dashed var(--line);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px;min-width:0}
.calc-grp.calc-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.calc-grp legend{float:left;grid-column:1/-1;width:100%;padding:0;margin:0 0 2px;font-family:var(--f-display);font-size:1.15rem;font-weight:500;color:var(--ink);letter-spacing:-.01em}
.calc-grp legend+*{clear:left}
.calc-f{display:flex;flex-direction:column;gap:4px;min-width:0}
.calc-f label{font-size:.88rem;font-weight:600;color:var(--ink-2);line-height:1.3}
.calc-u{font-family:var(--f-mono);font-size:.74rem;font-weight:500;color:var(--ink-3);margin-left:2px}
.calc-u:not(:empty)::before{content:"("}.calc-u:not(:empty)::after{content:")"}
.calc-f input[type=number],.calc-f select{width:100%;min-height:44px;padding:9px 12px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink);font:inherit;font-variant-numeric:tabular-nums}
.calc-f select{appearance:none;-webkit-appearance:none;padding-right:34px;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat}
.calc-f input:focus,.calc-f select:focus{outline:none;border-color:var(--green-text);box-shadow:0 0 0 3px var(--green-wash)}
.calc-f input:focus-visible,.calc-f select:focus-visible{outline:3px solid var(--green);outline-offset:1px}
.calc-f input[aria-invalid=true]{border-color:var(--crit);box-shadow:0 0 0 3px color-mix(in srgb,var(--crit) 18%,transparent)}
.calc-f input::placeholder{color:var(--ink-3);opacity:.8}
.calc-help{font-size:.8rem;color:var(--ink-3);line-height:1.35}
.calc-err{font-size:.8rem;font-weight:600;color:var(--crit);min-height:0}
.calc-err:empty{display:none}
.calc-f-chk{flex-direction:row;align-items:center;gap:10px;grid-column:1/-1;min-height:44px}
.calc-f-chk input{width:22px;height:22px;flex:none;accent-color:var(--green-text);margin:0}
.calc-f-chk label{font-weight:500;color:var(--ink)}
.calc-acts{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px;padding-top:14px;border-top:1px dashed var(--line)}
.calc-acts .btn{min-height:44px}
.calc-shared{font-size:.86rem;color:var(--green-text);font-weight:600}

/* results */
.calc-out{display:grid;gap:14px;min-width:0}
.calc-out>*{min-width:0}
.calc-stat{display:grid;gap:2px;padding:12px 14px;border-radius:var(--r);border:1px solid var(--line-2);background:var(--paper)}
.calc-stat-l{font-family:var(--f-mono);font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.calc-stat-v{font-size:1.05rem;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3}
.calc-stat small{font-size:.84rem;color:var(--ink-2);line-height:1.4}
.calc-stat-big{padding:16px 18px;border:1.5px solid var(--ink);box-shadow:var(--sticker-shadow);border-radius:var(--r)}
.calc-stat-big .calc-stat-v{font-family:var(--f-display);font-weight:500;font-size:clamp(1.6rem,3.4vw,2.3rem);letter-spacing:-.02em;line-height:1.08;font-variation-settings:"SOFT" 50,"WONK" 1}
.calc-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.calc-tbl{margin:0;border:1px solid var(--line);border-radius:var(--r);background:var(--paper);overflow-x:auto}
.calc-tbl table,.calc-ctable{border-collapse:collapse;width:100%;font-size:.9rem}
.calc-tbl th,.calc-tbl td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--line-2);color:var(--ink-2);font-variant-numeric:tabular-nums}
.calc-tbl thead th{font-family:var(--f-mono);font-size:var(--fs-label);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:500;border-bottom:1px solid var(--line)}
.calc-tbl tbody th{font-weight:600;color:var(--ink)}
.calc-tbl tr:last-child>*{border-bottom:0}
.calc-tbl tr.calc-hi>*{background:var(--green-wash);color:var(--ink)}
.calc-tbl tr.calc-hi th::before{content:"→ ";color:var(--green-text)}
.calc-notes{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.calc-note{padding:10px 12px 10px 14px;border-radius:12px;border-left:4px solid var(--line);background:var(--paper);font-size:.92rem;color:var(--ink-2);line-height:1.5}
.calc-note b{color:var(--ink)}
.calc-note-crit{border-left-color:var(--crit);background:var(--kb-crit-wash,color-mix(in srgb,var(--crit) 10%,var(--paper)))}
.calc-note-crit b{color:var(--kb-crit-text,var(--crit))}
.calc-note-warn{border-left-color:var(--warn);background:color-mix(in srgb,var(--warn) 10%,var(--paper))}
.calc-note-warn b{color:var(--warn-text)}
.calc-note-ok{border-left-color:var(--ok)}
.calc-note-ok b{color:var(--ok-text)}
.calc-note-tip{border-left-color:var(--green)}
.calc-note-info{border-left-color:var(--gold)}
.calc-box{padding:14px 16px;border-radius:var(--r);border:1.5px solid var(--line);background:var(--paper);display:grid;gap:10px}
.calc-box h3{font-size:1.15rem}
.calc-box p,.calc-box li{color:var(--ink-2);font-size:.94rem}
.calc-box ul{margin:0;padding-left:20px;display:grid;gap:6px}
.calc-box-warn{border-color:color-mix(in srgb,var(--warn) 55%,var(--line))}
.calc-box-gb{border-color:var(--green-text);background:linear-gradient(180deg,var(--green-wash),var(--paper) 70%)}
.calc-box-gb b{color:var(--ink)}
.calc-small{font-size:.84rem!important;color:var(--ink-3)!important;line-height:1.45}
.calc-math{border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}
.calc-math summary{cursor:pointer;min-height:44px;display:flex;align-items:center;gap:8px;padding:0 14px;font-weight:600;color:var(--green-text);list-style:none}
.calc-math summary::-webkit-details-marker{display:none}
.calc-math summary::before{content:"";width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform .18s ease-out}
.calc-math[open] summary::before{transform:rotate(45deg)}
.calc-math summary:focus-visible{outline:3px solid var(--green);outline-offset:2px;border-radius:var(--r)}
.calc-math ol{margin:0;padding:4px 14px 6px 34px;display:grid;gap:10px;counter-reset:none}
.calc-math li{color:var(--ink-2);font-size:.9rem;line-height:1.45}
.calc-math-t{display:block;font-weight:600;color:var(--ink)}
.calc-math code{display:inline;font-family:var(--f-mono);font-size:.82rem;background:var(--line-2);padding:1px 6px;border-radius:5px;overflow-wrap:anywhere;color:var(--ink)}
.calc-math-r{margin-left:6px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.calc-math-src{padding:0 14px 12px;font-size:.84rem;color:var(--ink-3)}
.calc-math-src a,.calc-next{color:var(--green-text);font-weight:600}
.calc-nexts{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:.92rem}
.calc-next{display:inline-flex;align-items:center;min-height:44px}
.calc-invalid{padding:12px 14px;border-radius:12px;background:color-mix(in srgb,var(--warn) 12%,var(--paper));color:var(--warn-text);font-weight:600}
.calc-bars{list-style:none;margin:0;padding:12px 14px;display:grid;gap:8px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--paper)}
.calc-bars li{display:grid;grid-template-columns:minmax(90px,8.5rem) minmax(0,1fr);gap:2px 10px;align-items:center;font-size:.86rem;color:var(--ink-2)}
.calc-bars i{display:block;height:10px;border-radius:var(--r-pill);background:var(--line-2);position:relative;overflow:hidden}
.calc-bars i::after{content:"";position:absolute;inset:0 auto 0 0;width:var(--w);background:var(--green);border-radius:inherit}
.calc-bars b{grid-column:2;font-weight:600;color:var(--ink);font-size:.82rem;font-variant-numeric:tabular-nums}
.calc-fig{margin:0;padding:12px;border:1px solid var(--line-2);border-radius:var(--r);background:var(--paper)}
.calc-fig figcaption{font-size:.84rem;color:var(--ink-3);margin-top:6px}
.calc-diag{display:block;width:100%;height:auto}
.calc-diag .d-tent{fill:none;stroke:var(--ink-3);stroke-width:1.5;stroke-dasharray:5 4}
.calc-diag .d-filter{fill:var(--ink-2);opacity:.9}
.calc-diag .d-fan{fill:var(--green);stroke:var(--ink);stroke-width:1.5}
.calc-diag .d-duct{stroke:var(--ink-2);stroke-width:12;fill:none;opacity:.35}
.calc-diag .d-arrow{stroke:var(--ink);stroke-width:2;fill:none}
.calc-diag .d-in{stroke:var(--green-text);stroke-width:6;stroke-dasharray:6 4}
.calc-diag text{font:600 13px var(--f-ui);fill:var(--ink)}
.calc-diag .d-c{text-anchor:middle}
.calc-diag .d-filter+.d-c{fill:var(--paper)}
.calc-diag .d-l{fill:var(--ink-3);font-weight:500}

/* planner cards */
.calc-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.calc-card{display:flex;flex-direction:column;gap:6px;padding:14px 16px;border-radius:var(--r);border:1.5px solid var(--line);background:var(--paper)}
.calc-card h3{font-family:var(--f-mono);font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:500;line-height:1.3}
.calc-card-v{font-family:var(--f-display);font-weight:500;font-size:1.55rem;line-height:1.1;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.calc-card p{font-size:.88rem;color:var(--ink-2);line-height:1.45;flex:1}
.calc-card .calc-next{min-height:36px;font-size:.88rem}
.calc-card-warn{border-color:color-mix(in srgb,var(--warn) 60%,var(--line))}

/* sections below the app */
.calc-sec{max-width:880px;margin-top:40px}
.calc-sec>h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:12px}
.calc-sec>p{color:var(--ink-2);margin-bottom:14px;max-width:72ch}
.calc-sec>p a{color:var(--green-text)}
.calc-sec.prose h3{margin-top:22px}
.calc-sec .tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}
.calc-ctable th,.calc-ctable td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line-2);color:var(--ink-2);vertical-align:top;font-size:.88rem}
.calc-ctable thead th{font-family:var(--f-mono);font-size:var(--fs-label);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:500;border-bottom:1px solid var(--line)}
.calc-ctable code{font-family:var(--f-mono);font-size:.76rem;color:var(--ink);white-space:nowrap}
.calc-ctable td:nth-child(2){white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--ink);font-weight:600}
.calc-cu{font-weight:400;color:var(--ink-3);white-space:normal}
.calc-safety{max-width:880px;margin:22px 0;padding:18px 20px;border-radius:var(--r);border:2px solid var(--crit);background:var(--kb-crit-wash,color-mix(in srgb,var(--crit) 10%,var(--paper)))}
.calc-safety h2{font-size:clamp(1.3rem,2.2vw,1.6rem);color:var(--kb-crit-text,var(--crit));margin-bottom:10px}
.calc-safety ul{margin:0;padding-left:20px;display:grid;gap:8px}
.calc-safety li{color:var(--ink);line-height:1.5}
.calc-related{max-width:880px}
.calc-rel-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px 28px}
.calc-rel-cols h3{font-family:var(--f-mono);font-size:var(--fs-label);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:500;margin-bottom:8px}
.calc-rel-cols ul{margin:0;padding-left:18px;display:grid;gap:4px}
.calc-rel-cols a{color:var(--green-text);display:inline-block;padding:6px 0}

/* hub */
.calc-hero{display:grid;grid-template-columns:1fr auto;gap:16px 28px;align-items:end;margin-bottom:24px}
.calc-hero img{width:200px;height:auto}
.calc-plan{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:18px 22px;border-radius:var(--r-lg);border:1.5px solid var(--ink);box-shadow:var(--sticker-shadow);background:linear-gradient(120deg,var(--green-wash),var(--paper));color:var(--ink);text-decoration:none;transition:transform .15s ease-out,box-shadow .15s ease-out}
.calc-plan:hover{transform:translate(-1px,-2px);box-shadow:5px 6px 0 var(--ink)}
.calc-plan:focus-visible,.calc-tcard:focus-visible{outline:3px solid var(--green);outline-offset:3px}
.calc-plan b{display:block;font-family:var(--f-display);font-weight:500;font-size:clamp(1.4rem,2.6vw,1.9rem);letter-spacing:-.02em}
.calc-plan small{display:block;color:var(--ink-2);font-size:.96rem;margin-top:4px;max-width:70ch}
.calc-plan em{font-style:normal;font-size:1.6rem;color:var(--green-text)}
.calc-ico{width:24px;height:24px;flex:none}
.calc-ico-big{width:52px;height:52px;padding:10px;border-radius:14px;background:var(--paper);border:1.5px solid var(--line);color:var(--green-text)}
.calc-hub-h{font-size:clamp(1.5rem,2.6vw,2rem);margin:36px 0 14px}
.calc-tcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.calc-tcard{display:flex;align-items:center;gap:14px;padding:14px;border-radius:var(--r);border:1.5px solid var(--line);background:var(--paper);color:var(--ink);text-decoration:none;min-height:76px;transition:border-color .15s,transform .15s,box-shadow .15s}
.calc-tcard:hover{border-color:var(--ink);transform:translateY(-2px);box-shadow:0 3px 0 var(--line)}
.calc-tcard .calc-ico{width:44px;height:44px;padding:9px;border-radius:12px;background:var(--green-wash);color:var(--green-text)}
.calc-tcard b{display:block;font-weight:600;line-height:1.25}
.calc-tcard small{display:block;color:var(--ink-2);font-size:.86rem;line-height:1.35;margin-top:2px}
.calc-hub-note{max-width:880px;margin-top:22px;padding:12px 16px;border-left:3px solid var(--green);background:var(--paper);border-radius:0 12px 12px 0;color:var(--ink-2)}
.calc-hub-note b{color:var(--ink)}

@media (max-width:980px){
  .calc{grid-template-columns:1fr}
  .calc-form{border-right:0;border-bottom:1px solid var(--line-2)}
  .calc-res{border-radius:0 0 var(--r-lg) var(--r-lg)}
  .calc-wide .calc-form{grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  .calc-form,.calc-res{padding:16px 14px 18px}
  .calc-grp,.calc-grp.calc-cols-3,.calc-wide .calc-form{grid-template-columns:1fr 1fr}
  .calc-wide .calc-form{display:block}
  .calc-hero{grid-template-columns:1fr}
  .calc-hero img{display:none}
  .calc-plan{grid-template-columns:auto 1fr;padding:16px}
  .calc-plan em{display:none}
  .calc-ctable thead{display:none}
  .calc-ctable tr{display:grid;grid-template-columns:1fr;padding:8px 0;border-bottom:1px solid var(--line-2)}
  .calc-ctable th,.calc-ctable td{border:0;padding:2px 12px}
  .calc-ctable td:nth-child(2){white-space:normal}
}
@media (max-width:400px){
  .calc-grp,.calc-grp.calc-cols-3{grid-template-columns:1fr}
  .calc-seg-o span{padding:0 11px}
}
@media (prefers-reduced-motion:reduce){.calc-plan,.calc-tcard,.calc-math summary::before{transition:none}.calc-plan:hover,.calc-tcard:hover{transform:none}}

/* print: the result, the inputs as a compact list, the math open; no chrome */
@media print{
  .pnav,.kb-sub,.cta,.bfoot,.kb-crumbs,.calc-acts,.calc-units,.calc-related,.kb-back,.calc-nexts,.calc-next,.calc-sec.prose,#constants,.kb-sources{display:none!important}
  body{background:#fff;color:#000}
  .calc{box-shadow:none;border:1px solid #999;grid-template-columns:1fr}
  .calc-form{border:0;padding:8px}
  .calc-res{background:none;padding:8px}
  .calc-stat-big{box-shadow:none}
  .calc-f input,.calc-f select{border:0;padding:0;min-height:0;background:none}
  .calc-card,.calc-stat,.calc-box,.calc-note{break-inside:avoid}
}
.calc-all>.tbl{border:0;border-top:1px solid var(--line-2);border-radius:0 0 var(--r) var(--r)}
.calc-all>ol{margin:0;padding:8px 18px 14px 40px}
.calc-main .calc-sec,.calc-main .kb-sources,.calc-main .kb-related{padding-top:0;padding-bottom:0}