/* Plank & Build — shared styles for /tools/ hub and calculators.
   Mirrors the cut-list-optimizer design system (wood/gold brand). */
:root{
  --ink:#17100a; --ink2:#0e0a05; --ink3:#1f160d;
  --card:#241a10; --card2:#2c2012; --raise:#33260f;
  --gold:#c8891a; --gold2:#e3a838; --gold-soft:rgba(200,137,26,.14);
  --cream:#f3e8d2; --cream2:#d8c8a4; --muted:#b29a6e; --muted2:#8a7048;
  --white:#fbf6ec; --rule:rgba(200,137,26,.16); --rule2:rgba(200,137,26,.30);
  --danger:#e0795f; --danger-bg:#3a1510; --danger-rule:#7a2f1f;
  --ok:#7fb069; --ok-bg:rgba(127,176,105,.12); --ok-rule:rgba(127,176,105,.4);
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 28px -12px rgba(0,0,0,.7);
  --r:14px; --r-sm:9px;
  --mono:'SFMono-Regular',ui-monospace,'Cascadia Code','Roboto Mono',Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
    radial-gradient(1200px 600px at 85% -8%,rgba(200,137,26,.10),transparent 60%),
    radial-gradient(900px 500px at -5% 0%,rgba(200,137,26,.05),transparent 55%),var(--ink);
  color:var(--cream);font-family:'Bricolage Grotesque',system-ui,-apple-system,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--gold2);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--white)}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:'Cormorant Garamond',Georgia,serif;color:var(--white);line-height:1.1;margin:0;letter-spacing:.4px}
h1{font-size:clamp(2.2rem,5vw,3.3rem);font-weight:700}

header.site{position:sticky;top:0;z-index:40;border-bottom:1px solid var(--rule);
  background:rgba(20,14,8,.78);backdrop-filter:saturate(140%) blur(12px);-webkit-backdrop-filter:saturate(140%) blur(12px)}
header.site .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:13px 22px}
.brand{font-family:'Cormorant Garamond',serif;font-size:1.45rem;font-weight:700;color:var(--white);display:flex;align-items:center;gap:9px}
.brand .mark{width:11px;height:11px;border-radius:3px;background:linear-gradient(135deg,var(--gold2),var(--gold));box-shadow:0 0 14px rgba(227,168,56,.5)}
header.site nav{display:flex;flex-wrap:wrap}
header.site nav a{color:var(--cream2);margin-left:20px;font-size:.94rem;font-weight:500}
@media(max-width:600px){header.site nav a:not(:last-child){display:none}}

.crumbs{font-size:.84rem;color:var(--muted);padding:18px 0 0}
.crumbs a{color:var(--cream2)}
.hero{padding:26px 0 22px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.74rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold2);background:var(--gold-soft);border:1px solid var(--rule2);padding:6px 12px;border-radius:100px;margin-bottom:18px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold2);box-shadow:0 0 8px var(--gold2)}
.hero p.lead{color:var(--cream2);font-size:1.1rem;max-width:62ch;margin:14px 0 0}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;color:var(--cream2);background:var(--card);border:1px solid var(--rule);border-radius:100px;padding:7px 14px}
.chip svg{width:15px;height:15px;color:var(--gold2);flex-shrink:0}

.app{display:grid;grid-template-columns:1fr;gap:22px;padding:14px 0 18px;align-items:start}
@media(min-width:920px){.app{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:26px}.results-col{position:sticky;top:78px}}
.panel{background:var(--card);border:1px solid var(--rule);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;margin-bottom:22px}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:20px 22px 0}
.panel-head h2{font-size:1.6rem}
.panel-head .sub{font-size:.84rem;color:var(--muted)}
.panel-body{padding:18px 22px 22px}

.settings{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:14px}
.ctrl{display:flex;flex-direction:column;gap:7px;min-width:0}
label,.ctrl-lbl{font-size:.74rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
input,select{width:100%;padding:11px 12px;background:var(--ink2);border:1px solid var(--rule2);border-radius:var(--r-sm);
  color:var(--white);font:inherit;font-size:.96rem;transition:border-color .15s ease,box-shadow .15s ease}
input::placeholder{color:var(--muted2)}
input:hover,select:hover{border-color:rgba(200,137,26,.5)}
input:focus-visible,select:focus-visible{outline:none;border-color:var(--gold2);box-shadow:0 0 0 3px rgba(227,168,56,.22)}
.affix{position:relative}
.affix .sign{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.96rem;pointer-events:none}
.affix input{padding-left:26px}
.help{font-size:.78rem;color:var(--muted2);margin-top:4px}

.toggle{display:inline-flex;flex-wrap:wrap;background:var(--ink2);border:1px solid var(--rule2);border-radius:var(--r-sm);padding:3px;gap:3px}
.toggle button{background:transparent;color:var(--cream2);border:none;padding:8px 14px;cursor:pointer;font:inherit;font-size:.88rem;font-weight:600;white-space:nowrap;border-radius:6px;transition:background .18s ease,color .18s ease}
.toggle button:hover:not(.active){color:var(--white)}
.toggle button.active{background:linear-gradient(180deg,var(--gold2),var(--gold));color:var(--ink2);box-shadow:0 1px 6px rgba(200,137,26,.4)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;border-radius:var(--r-sm);cursor:pointer;border:1px solid transparent;transition:transform .12s ease,background .15s ease,box-shadow .15s ease,border-color .15s ease}
.btn:active{transform:scale(.97)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(227,168,56,.3)}
.btn svg{width:16px;height:16px}
.btn-ghost{background:transparent;color:var(--gold2);border-color:var(--rule2);padding:10px 16px}
.btn-ghost:hover{background:var(--gold-soft);border-color:var(--gold2);color:var(--white)}
.btn-add{width:100%;margin-top:14px;border-style:dashed;padding:13px;font-size:.94rem}
.btn-sm{padding:9px 14px;font-size:.9rem}

/* Result hero (big number) */
.result-hero{text-align:center;padding:8px 0 6px}
.result-hero .big{font-family:'Cormorant Garamond',serif;font-weight:700;color:var(--gold2);font-size:clamp(2.6rem,9vw,4rem);line-height:1;font-variant-numeric:tabular-nums}
.result-hero .unit{color:var(--cream2);font-size:1.05rem;margin-top:6px}
.badge{display:inline-block;margin-top:14px;padding:7px 16px;border-radius:100px;font-weight:600;font-size:.92rem;border:1px solid var(--rule2)}
.badge.ok{background:var(--ok-bg);border-color:var(--ok-rule);color:var(--ok)}
.badge.warn{background:var(--gold-soft);border-color:var(--rule2);color:var(--gold2)}
.badge.bad{background:var(--danger-bg);border-color:var(--danger-rule);color:var(--danger)}

.stat{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:16px 0 0}
.stat .cell{background:var(--ink3);border:1px solid var(--rule);border-radius:var(--r-sm);padding:14px}
.stat .b{font-size:1.7rem;font-family:'Cormorant Garamond',serif;font-weight:700;color:var(--gold2);line-height:1;font-variant-numeric:tabular-nums}
.stat .l{font-size:.74rem;color:var(--muted);margin-top:7px}

/* generic input rows */
.rows{display:flex;flex-direction:column;gap:10px}
.rows-head{display:none;gap:10px;padding:0 4px 6px}
.rows-head span{font-size:.7rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted2)}
@media(min-width:620px){.rows-head{display:grid}}
.row{display:grid;gap:10px;align-items:center;grid-template-columns:1fr 1fr;padding:12px;background:var(--ink3);border:1px solid var(--rule);border-radius:var(--r-sm);animation:rowIn .22s ease}
@keyframes rowIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
@media(min-width:620px){.row{padding:8px 10px;background:transparent;border-color:transparent}.row:hover{background:var(--ink3);border-color:var(--rule)}}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field-lbl{font-size:.68rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted2)}
@media(min-width:620px){.field-lbl{display:none}}
.del{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;background:transparent;border:1px solid var(--rule2);border-radius:var(--r-sm);color:var(--muted);cursor:pointer;font-size:1.1rem;line-height:1;transition:all .15s ease;align-self:end;margin-left:auto}
.del:hover{background:var(--danger-bg);border-color:var(--danger-rule);color:var(--danger)}
.del:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(224,121,95,.3)}
@media(max-width:619px){.del-f{grid-column:1 / -1;display:flex;justify-content:flex-end}}

/* tool hub cards */
.tool-grid{display:grid;grid-template-columns:1fr;gap:18px;padding:8px 0 8px}
@media(min-width:640px){.tool-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.tool-grid{grid-template-columns:repeat(3,1fr)}}
.tool-card{display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}
.tool-card:hover{transform:translateY(-3px);border-color:var(--rule2);box-shadow:0 10px 30px -14px rgba(0,0,0,.8)}
.tool-card.soon{opacity:.62}
.tool-card .ico{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--gold-soft);border:1px solid var(--rule2);color:var(--gold2)}
.tool-card .ico svg{width:22px;height:22px}
.tool-card h3{font-size:1.45rem}
.tool-card p{margin:0;color:var(--cream2);font-size:.92rem}
.tool-card .go{margin-top:auto;font-weight:600;color:var(--gold2);font-size:.9rem}
.tool-card .tag{align-self:flex-start;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted2);border:1px solid var(--rule);border-radius:100px;padding:3px 9px}

.err{display:flex;gap:9px;align-items:flex-start;background:var(--danger-bg);border:1px solid var(--danger-rule);color:#f0bcae;padding:11px 13px;border-radius:var(--r-sm);margin:0 0 10px;font-size:.9rem}
.err svg{width:17px;height:17px;flex-shrink:0;margin-top:2px;color:var(--danger)}

.info{margin:30px 0 10px}
.info .panel-body{padding:24px 26px}
.info h2{font-size:1.8rem;margin-bottom:8px}
.info p{color:var(--cream2);max-width:74ch}
.faq{display:grid;gap:0;margin-top:20px;border-top:1px solid var(--rule)}
.faq-item{padding:18px 0;border-bottom:1px solid var(--rule)}
.faq-item h3{font-size:1.25rem;margin-bottom:6px}
.faq-item p{margin:0;color:var(--cream2)}

footer.site{border-top:1px solid var(--rule);padding:28px 0;color:var(--muted);font-size:.86rem;margin-top:30px}
[hidden]{display:none !important}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important;scroll-behavior:auto}}