/* PaidFair content pages — design system v2
   Extends the original page.css with dark mode, data tables, breadcrumbs,
   hub grids, and calculator UI. Versioned filename: bump to v3 on any change
   (no-cache headers alone are not enough — iOS Safari caches aggressively). */

:root{
  /* ink-faint and emerald-deep are tuned for WCAG AA on white, --wash and
     --mint (4.5:1 minimum). #6B7C74 and #07835D both measured ~4.25-4.41 and
     failed. Re-check with the contrast audit before changing either. */
  --emerald:#0AA073; --emerald-deep:#067452; --g1:#14B981; --g2:#0BABA3;
  --ink:#0B1F1A; --ink-soft:#41544D; --ink-faint:#637268;
  --wash:#F4FAF7; --mint:#E9F5EF; --mint-line:#CBE7DA; --line:#E4EDE8;
  --bg:#fff; --card:#fff; --card-line:#E4EDE8;
  --warn-bg:#FFF8EC; --warn-line:#F1E2C4; --warn-edge:#E0A83D; --warn-ink:#6B4A0F;
  --yes:#0AA073; --no:#B4453A; --partial:#B07A16;
  --shadow:0 1px 2px rgba(11,31,26,.04),0 8px 24px -12px rgba(11,31,26,.10);
  --shadow-lg:0 2px 4px rgba(11,31,26,.04),0 20px 48px -20px rgba(11,31,26,.18);
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --emerald:#2DD4A0; --emerald-deep:#34D9A6; --g1:#14B981; --g2:#0BABA3;
    --ink:#E8F3EE; --ink-soft:#A7BDB4; --ink-faint:#7E958C;
    --wash:#101A17; --mint:#152A23; --mint-line:#20463A; --line:#22302B;
    --bg:#0A120F; --card:#111B18; --card-line:#22302B;
    --warn-bg:#231A0B; --warn-line:#42341A; --warn-edge:#C9922F; --warn-ink:#F0DCB4;
    --yes:#2DD4A0; --no:#F08A7E; --partial:#E0B357;
    --shadow:0 1px 2px rgba(0,0,0,.30),0 8px 24px -12px rgba(0,0,0,.55);
    --shadow-lg:0 2px 4px rgba(0,0,0,.30),0 20px 48px -20px rgba(0,0,0,.70);
  }
}
:root[data-theme="dark"]{
  --emerald:#2DD4A0; --emerald-deep:#34D9A6;
  --ink:#E8F3EE; --ink-soft:#A7BDB4; --ink-faint:#7E958C;
  --wash:#101A17; --mint:#152A23; --mint-line:#20463A; --line:#22302B;
  --bg:#0A120F; --card:#111B18; --card-line:#22302B;
  --warn-bg:#231A0B; --warn-line:#42341A; --warn-edge:#C9922F; --warn-ink:#F0DCB4;
  --yes:#2DD4A0; --no:#F08A7E; --partial:#E0B357;
  --shadow:0 1px 2px rgba(0,0,0,.30),0 8px 24px -12px rgba(0,0,0,.55);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.68;-webkit-font-smoothing:antialiased}
a{color:var(--emerald-deep)}
a:hover{text-decoration-thickness:2px}
img,svg{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--emerald);outline-offset:2px;border-radius:4px}

.wrap{max-width:760px;margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---------- nav ---------- */
header.nav{position:sticky;top:0;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line);z-index:20}
@supports not (background:color-mix(in srgb,red,blue)){header.nav{background:var(--bg)}}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;max-width:1120px;margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.12rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none;flex:none}
.brand img{width:32px;height:32px;border-radius:8px}
.nav-in a.back{color:var(--ink-soft);text-decoration:none;font-weight:600;font-size:.94rem}
.nav-in a.back:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:20px}
.nav-right a{color:var(--ink-soft);text-decoration:none;font-weight:600;font-size:.94rem}
.nav-right a:hover{color:var(--ink)}
.nav-right a.btn-nav{background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;padding:.5rem 1.05rem;border-radius:999px;font-weight:650}
@media (max-width:640px){.nav-right a:not(.btn-nav){display:none}}

main{padding:clamp(36px,6vw,64px) 0 80px}

/* ---------- type ---------- */
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.02em;color:var(--emerald-deep);background:var(--mint);border:1px solid var(--mint-line);padding:.35rem .75rem;border-radius:999px;text-transform:uppercase}
h1{font-size:clamp(2rem,4vw,2.7rem);letter-spacing:-.025em;line-height:1.08;margin:1rem 0 .4rem;font-weight:800}
.lede{font-size:1.12rem;color:var(--ink-soft);margin:.6rem 0 1.4rem}
.meta,.updated{color:var(--ink-faint);font-size:.9rem;margin:0 0 1.8rem}
h2{font-size:1.32rem;letter-spacing:-.01em;margin:2.3rem 0 .6rem;font-weight:750;scroll-margin-top:84px}
h3{font-size:1.05rem;margin:1.6rem 0 .4rem;font-weight:700;scroll-margin-top:84px}
p,li{color:var(--ink-soft)}
ul,ol{padding-left:1.2rem}
li{margin:.3rem 0}
strong{color:var(--ink)}
hr{border:none;border-top:1px solid var(--line);margin:2.4rem 0}

/* ---------- breadcrumbs ---------- */
.crumbs{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:.86rem;color:var(--ink-faint);margin:0 0 .4rem}
.crumbs a{color:var(--ink-faint);text-decoration:none;font-weight:600}
.crumbs a:hover{color:var(--emerald-deep);text-decoration:underline}
.crumbs span[aria-hidden]{opacity:.5}

/* ---------- callouts ---------- */
.callout{background:var(--wash);border:1px solid var(--line);border-left:3px solid var(--emerald);border-radius:12px;padding:16px 18px;margin:1.4rem 0}
.callout p{margin:.2rem 0;color:var(--ink)}
.callout.tight{padding:13px 16px}
.disclaimer{background:var(--warn-bg);border:1px solid var(--warn-line);border-left:3px solid var(--warn-edge);border-radius:12px;padding:14px 18px;margin:1.5rem 0}
.disclaimer p{margin:.2rem 0;color:var(--warn-ink);font-size:.94rem}
.disclaimer a{color:var(--warn-ink);font-weight:650}
.ex{background:var(--wash);border:1px solid var(--line);border-left:3px solid var(--emerald);border-radius:12px;padding:16px 18px;margin:1.4rem 0}
.ex p{margin:.2rem 0;color:var(--ink)}
.ex b,.ex strong{color:var(--ink)}
/* Answer-first block: the extractable one-sentence answer. AI search reads this. */
.answer{background:var(--mint);border:1px solid var(--mint-line);border-radius:14px;padding:18px 20px;margin:1.2rem 0 1.8rem}
.answer p{margin:0;color:var(--ink);font-size:1.04rem;font-weight:550}
.answer p+p{margin-top:.6rem;font-weight:400;font-size:.98rem;color:var(--ink-soft)}

/* ---------- buttons ---------- */
.cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;text-decoration:none;font-weight:650;border-radius:999px;padding:.8rem 1.5rem;border:1px solid transparent;cursor:pointer;font-family:inherit;font-size:1rem}
.cta,.btn-primary{background:linear-gradient(135deg,var(--g1),var(--g2));color:#fff;box-shadow:var(--shadow)}
.cta:hover,.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--card-line)}
.btn-ghost:hover{border-color:var(--emerald);color:var(--emerald-deep)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.5rem;align-items:center}
.cta-note{font-size:.88rem;color:var(--ink-faint);margin:.7rem 0 0}

/* ---------- cards / hub grids ---------- */
.grid{display:grid;gap:16px;margin:1.6rem 0}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.card{display:block;background:var(--card);border:1px solid var(--card-line);border-radius:16px;padding:20px;text-decoration:none;box-shadow:var(--shadow);transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}
a.card:hover{transform:translateY(-2px);border-color:var(--emerald);box-shadow:var(--shadow-lg)}
.card h3{margin:.1rem 0 .35rem;color:var(--ink);font-size:1.04rem}
.card p{margin:0;font-size:.94rem;color:var(--ink-soft)}
.card .kicker{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--emerald-deep);margin:0 0 .5rem}
.card-ico{width:34px;height:34px;margin-bottom:12px;color:var(--emerald)}
@media (prefers-reduced-motion:reduce){a.card:hover{transform:none}}

/* ---------- data tables ---------- */
.table-scroll{overflow-x:auto;background-image:linear-gradient(to right,var(--card) 30%,transparent),linear-gradient(to left,var(--card) 30%,transparent);background-position:left center,right center;background-repeat:no-repeat;background-size:24px 100%,24px 100%;background-attachment:local,local;margin:1.5rem 0;border:1px solid var(--card-line);border-radius:14px;background:var(--card);-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.94rem;min-width:600px}
thead th{text-align:left;background:var(--wash);color:var(--ink);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em;padding:12px 14px;border-bottom:1px solid var(--card-line);position:sticky;top:0;line-height:1.3}
tbody td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-soft);vertical-align:top}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--wash)}
tbody th{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:650;white-space:nowrap}
td a,th a{font-weight:650}
.num{font-variant-numeric:tabular-nums;font-family:var(--mono);white-space:nowrap}
.flag{display:inline-flex;align-items:center;gap:5px;font-weight:650;font-size:.88rem;white-space:nowrap}
.flag-yes{color:var(--yes)}.flag-no{color:var(--no)}.flag-partial{color:var(--partial)}
.flag-neutral{color:var(--ink-soft)}.flag-neutral::before{background:var(--ink-faint)}
.flag::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}
caption{caption-side:bottom;padding:12px 14px;font-size:.84rem;color:var(--ink-faint);text-align:left}

/* stat strip */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--card-line);border:1px solid var(--card-line);border-radius:14px;overflow:hidden;margin:1.5rem 0}
.stat{background:var(--card);padding:16px 18px}
.stat dt{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-faint);margin:0 0 4px}
.stat dd{margin:0;font-size:1.3rem;font-weight:750;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat dd small{display:block;font-size:.82rem;font-weight:500;color:var(--ink-soft);letter-spacing:0;margin-top:2px}

/* ---------- calculator ---------- */
.tool{background:var(--card);border:1px solid var(--card-line);border-radius:18px;padding:clamp(18px,3vw,26px);box-shadow:var(--shadow-lg);margin:1.6rem 0}
.field{margin:0 0 16px}
.field label{display:block;font-weight:650;font-size:.92rem;color:var(--ink);margin:0 0 6px}
.field .hint{font-size:.84rem;color:var(--ink-faint);font-weight:400;margin:0 0 6px}
input[type=text],input[type=number],input[type=time],select{width:100%;min-height:44px;padding:.6rem .8rem;font-size:1rem;font-family:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--card-line);border-radius:10px;-webkit-appearance:none;appearance:none}
input:focus,select:focus{border-color:var(--emerald);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--emerald) 22%,transparent)}
input[inputmode=decimal]{font-variant-numeric:tabular-nums}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7C74' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.row{display:grid;gap:12px}
.row-2{grid-template-columns:1fr 1fr}
.row-3{grid-template-columns:1.6fr 1fr 1fr}
@media (max-width:560px){.row-2,.row-3{grid-template-columns:1fr}}
.people{display:flex;flex-direction:column;gap:10px;margin:0 0 14px}
.person{display:grid;grid-template-columns:1.5fr 1fr 1fr 44px;gap:8px;align-items:end}
@media (max-width:620px){.person{grid-template-columns:1fr 1fr;grid-template-areas:"n n" "a b" "r r"}
  .person .p-name{grid-area:n}.person .p-rm{grid-area:r;justify-self:start}}
.icon-btn{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--card-line);border-radius:10px;color:var(--ink-faint);cursor:pointer;font-size:1.1rem;line-height:1}
.icon-btn:hover{border-color:var(--no);color:var(--no)}
.tool-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;align-items:center}
.link-btn{background:none;border:none;color:var(--emerald-deep);font-weight:650;font-family:inherit;font-size:.94rem;cursor:pointer;padding:.5rem .2rem;min-height:44px}
.link-btn:hover{text-decoration:underline}

/* result */
.result{margin-top:18px;border-top:1px solid var(--line);padding-top:18px}
.result[hidden]{display:none}
.payout{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.payout:last-of-type{border-bottom:none}
.payout .who{font-weight:700;color:var(--ink)}
.payout .who small{display:block;font-weight:400;font-size:.86rem;color:var(--ink-faint)}
.payout .amt{font-weight:750;font-size:1.22rem;color:var(--ink);font-variant-numeric:tabular-nums;white-space:nowrap}
[hidden]{display:none !important}
.reconcile{display:flex;justify-content:space-between;gap:12px;margin-top:14px;padding:12px 14px;background:var(--mint);border:1px solid var(--mint-line);border-radius:12px;font-size:.92rem;color:var(--ink);font-weight:600}
.reconcile .num{font-weight:750}
.math{margin-top:14px;font-size:.9rem}
.math summary{cursor:pointer;font-weight:650;color:var(--emerald-deep);min-height:44px;display:flex;align-items:center}
.math ul{margin:.4rem 0 0;padding-left:1.1rem}
.math li{font-size:.9rem}
.err{color:var(--no);font-weight:600;font-size:.92rem;margin:.6rem 0 0}

/* ---------- misc ---------- */
.guides{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}
.guides a{font-weight:600}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:1rem 0 0}
.pill{display:inline-block;font-size:.86rem;font-weight:600;color:var(--ink-soft);background:var(--wash);border:1px solid var(--line);border-radius:999px;padding:.42rem .85rem;text-decoration:none}
a.pill:hover{border-color:var(--emerald);color:var(--emerald-deep)}
.toc{background:var(--wash);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin:1.6rem 0}
.toc p{margin:0 0 .4rem;font-weight:700;color:var(--ink);font-size:.86rem;text-transform:uppercase;letter-spacing:.03em}
.toc ol{margin:0;padding-left:1.1rem}
.toc li{margin:.22rem 0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

footer{border-top:1px solid var(--line);background:var(--wash);font-size:.9rem;color:var(--ink-soft)}
.foot-in{max-width:1120px;margin:0 auto;padding:28px 24px;display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}
.foot-links a{color:var(--ink-soft);text-decoration:none}
.foot-links a:hover{color:var(--ink)}
.fineprint{max-width:1120px;margin:0 auto;padding:0 24px 28px;font-size:.82rem;color:var(--ink-faint)}