/* The eight problem pages (content/problems.json), added 2 October 2026. Each shows the problem,
 * what changes, and three ways to fix it, with a two-question fix finder driven by assets/fix.js.
 * Colours come from the shell tokens only. */
.fx-page{max-width:1100px;margin-inline:auto;padding:30px 24px 72px;}
.fx-crumb a{color:var(--signal-text);font-weight:700;font-size:.92rem;text-decoration:none;}
.fx-crumb a:hover{text-decoration:underline;}
.fx-kind{display:inline-block;margin-top:22px;font-size:.72rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--signal-text);border:1px solid color-mix(in oklch,var(--signal) 45%,transparent);border-radius:999px;padding:2px 10px;}
.fx-page h1{font-size:clamp(2.1rem,4.6vw,3.2rem);line-height:1.05;margin:12px 0 0;text-wrap:balance;}
.fx-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px;}
.fx-pair > div{padding:18px 20px;border-radius:18px;}
.fx-pair p{margin:0;font-size:1.02rem;line-height:1.55;color:var(--ink);}
.fx-after p{font-weight:700;}
.fx-lab{display:block;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:6px;}
.fx-after .fx-lab{color:var(--signal-text);}
.fx-fixes{margin-top:40px;}
.fx-fixes h2{font-size:clamp(1.5rem,2.6vw,1.9rem);margin:0;}
.fx-sub{color:var(--ink-mid);margin:6px 0 0;max-width:62ch;}
.fx-finder{margin-top:22px;padding:20px 22px;border-radius:18px;display:grid;gap:14px;}
.fx-finder h3{font-size:1.12rem;margin:0;}
.fx-q{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.fx-finder[hidden],.fx-q[hidden]{display:none;}
.fx-q p{width:100%;margin:0;font-weight:700;color:var(--ink);}
.fx-chip{font:600 .92rem var(--display);min-height:44px;padding:8px 18px;border-radius:999px;border:1px solid var(--glass-edge);background:var(--surface);color:var(--ink);cursor:pointer;transition:border-color .2s,background .2s;}
.fx-chip:hover{border-color:var(--signal-text);}
.fx-chip[aria-pressed="true"]{background:var(--signal);color:var(--signal-ink);border-color:var(--signal);}
.fx-res{margin:0;color:var(--ink-mid);}
.fx-res b{color:var(--ink);}
.fx-routes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px;align-items:stretch;}
.fx-route{position:relative;display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:18px;transition:opacity .25s,box-shadow .25s,border-color .25s;}
.fx-route h3{font-size:1.15rem;line-height:1.25;margin:0;}
.fx-route p{margin:0;color:var(--ink-mid);font-size:.95rem;line-height:1.55;}
.fx-route .fx-good{color:var(--ink);}
.fx-rk{font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);}
.fx-route .fx-time{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:8px;font-size:.88rem;}
.fx-time strong{color:var(--signal-text);font-variant-numeric:tabular-nums;}
.fx-badge{display:none;position:absolute;top:-12px;right:16px;background:var(--signal);color:var(--signal-ink);font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:3px 10px;}
.fx-route.is-best{border-color:var(--signal);box-shadow:0 0 0 1px var(--signal),var(--glass-shadow);}
.fx-route.is-best .fx-badge{display:block;}
.fx-route.is-dim{opacity:.62;}
.fx-est{margin:14px 0 0;font-size:.86rem;color:var(--ink-soft);}
.fx-case{margin:16px 0 0;color:var(--ink-mid);}
.fx-case a{color:var(--ink);font-weight:700;}
.fx-cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.fx-others{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);}
.fx-others h2{font-size:1.05rem;margin:0 0 12px;}
.fx-others div{display:flex;flex-wrap:wrap;gap:8px;}
.fx-others a{color:var(--ink);text-decoration:none;font-size:.92rem;border:1px solid var(--glass-edge);background:var(--surface);border-radius:999px;padding:8px 14px;min-height:40px;display:inline-flex;align-items:center;}
.fx-others a:hover{border-color:var(--signal-text);}
@media (max-width:820px){.fx-routes{grid-template-columns:1fr;}.fx-route{padding:20px;}}
@media (max-width:640px){.fx-pair{grid-template-columns:1fr;}.fx-page{padding-inline:18px;}}
@media (prefers-reduced-motion:reduce){.fx-route,.fx-chip{transition:none;}}
/* The /problems list page (3 October 2026). */
.fx-list .fx-lead{font-size:1.05rem;margin-top:12px;}
.fx-list .bp-prows{margin-top:26px;}
.fx-ask{margin-top:30px;padding:22px 26px;border-radius:20px;display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;justify-content:space-between;}
.fx-ask h2{font-size:1.3rem;margin:0;}
.fx-ask p{margin:6px 0 0;color:var(--ink-mid);}
/* ---- 8 October 2026 ideas review: shared pieces for all eight pages and the list ---- */
.fx-crumb a{display:inline-flex;align-items:center;min-height:44px;}
.fx-chain{display:flex;flex-wrap:wrap;align-items:stretch;gap:10px;margin-top:18px;}
.fx-chain a,.fx-chain span{display:flex;flex-direction:column;gap:2px;padding:9px 16px;border-radius:14px;border:1px solid var(--glass-edge);background:var(--surface);color:var(--ink);text-decoration:none;font-size:.92rem;}
.fx-chain a:hover{border-color:var(--signal-text);}
.fx-chain span{border-color:var(--signal);box-shadow:0 0 0 1px var(--signal);font-weight:700;}
.fx-chain small{font:700 .64rem var(--display);letter-spacing:.07em;text-transform:uppercase;color:var(--signal-text);}
.fx-chain i{align-self:center;font-style:normal;color:var(--signal-text);font-weight:700;}
.fx-stat{display:block;font:600 1.7rem/1.1 var(--display);color:var(--ink);margin:0 0 6px;}
.fx-after .fx-stat{color:var(--signal-text);}
.fx-pair .fx-after-note{margin-top:8px;font-weight:400;font-size:.95rem;color:var(--ink-mid);}
.fx-quote{margin:14px 0 0;padding:2px 0 2px 14px;border-left:3px solid var(--signal);}
.fx-pair .fx-quote p{font-weight:400;font-size:.98rem;}
.fx-quote cite{display:block;margin-top:4px;font-style:normal;font-size:.8rem;color:var(--ink-soft);}
.fx-tl{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:.82rem;color:var(--ink-mid);}
.fx-tl i{flex:1;height:2px;min-width:24px;background:var(--line);}
.fx-tl i.long{background:repeating-linear-gradient(90deg,var(--ink-soft) 0 6px,transparent 6px 10px);}
.fx-tl i.short{background:var(--signal);}
.fx-tl b{flex:none;width:10px;height:10px;border-radius:50%;background:var(--ink-soft);}
.fx-after .fx-tl b{background:var(--signal);}
.fx-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;align-items:center;}
.fx-tags b{font-size:.75rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-soft);margin-right:2px;}
.fx-tags span{font:600 .84rem var(--display);padding:4px 12px;border-radius:999px;border:1px solid var(--signal-text);color:var(--signal-text);background:var(--surface);}
.fx-tags-card{margin-top:0;padding:10px 12px;border-radius:12px;border:1px dashed var(--signal-text);}
.fx-tags-card b{flex-basis:100%;}
.fx-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;}
.fx-cols span{font:600 .76rem var(--display);text-align:center;padding:8px 4px;border-radius:10px;border:1px solid var(--glass-edge);background:var(--surface);color:var(--ink);}
.fx-static{display:flex;flex-wrap:wrap;gap:8px;}
.fx-static span{color:var(--ink);border:1px solid var(--glass-edge);background:var(--surface);border-radius:999px;padding:8px 14px;min-height:40px;display:inline-flex;align-items:center;font-size:.92rem;}
.fx-tagbox{margin-top:22px;padding-top:0;border-top:0;}
.fx-steps{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:repeat(var(--n,3),minmax(0,1fr));gap:14px;}
.fx-steps li{position:relative;padding:14px 16px;border:1px solid var(--glass-edge);background:var(--glass);border-radius:16px;font-size:.95rem;line-height:1.45;color:var(--ink);box-shadow:inset 0 1px 0 var(--glass-edge);}
.fx-steps b{display:block;font:700 .72rem var(--display);letter-spacing:.07em;text-transform:uppercase;color:var(--signal-text);margin-bottom:4px;}
.fx-steps li+li::before{content:"\2192";position:absolute;left:-7px;top:50%;transform:translate(-50%,-50%);color:var(--signal-text);font-weight:700;}
.fx-count{margin-top:16px;padding:18px 20px;border-radius:18px;}
.fx-count p{margin:0;font-size:1.02rem;line-height:1.55;color:var(--ink);max-width:70ch;}
.fx-case-up{margin-top:14px;}
.fx-lead-line{margin:6px 0 0;font:600 1.12rem var(--display);color:var(--ink);max-width:48ch;}
.fx-sub-more{margin-top:10px;}
.fx-sub a,.fx-note a,.fx-route p a,.fx-shot a{color:var(--ink);font-weight:700;}
.fx-jump{display:none;}
.fx-test{margin-top:22px;padding:20px 22px;border-radius:18px;display:grid;gap:12px;}
.fx-test h3{font-size:1.12rem;margin:0;}
.fx-test p{margin:0;color:var(--ink-mid);}
.fx-test ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px;}
.fx-test li{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);}
.fx-test i{width:22px;height:22px;border-radius:6px;border:2px solid var(--signal-text);flex:none;}
.fx-fold{display:flex;width:100%;justify-content:space-between;align-items:center;gap:10px;margin-top:22px;min-height:52px;border-radius:18px;text-align:left;}
.fx-fold[hidden]{display:none;}
.fx-fold span{font-size:1.2rem;line-height:1;transition:transform .2s;}
.fx-fold[aria-expanded="true"] span{transform:rotate(45deg);}
.fx-fold:not([hidden]) + .fx-finder{margin-top:12px;}
.fx-hint{font-weight:400!important;color:var(--ink-soft)!important;font-size:.88rem;}
.fx-route .fx-good{padding:8px 10px;border-radius:10px;background:color-mix(in oklch,var(--signal) 14%,transparent);}
.fx-route .fx-gloss{font-size:.86rem;color:var(--ink-soft);}
.fx-route .fx-case{margin:0;font-size:.95rem;}
.fx-note{padding:10px 12px;border-radius:12px;border-left:3px solid var(--signal);background:color-mix(in oklch,var(--signal) 10%,transparent);}
.fx-route .fx-note{color:var(--ink);}
.fx-example{margin:0;padding:12px 14px;border:1px dashed var(--line);border-radius:12px;background:var(--surface-sunk);}
.fx-example figcaption{font:700 .66rem var(--display);letter-spacing:.07em;text-transform:uppercase;color:var(--signal-text);margin-bottom:6px;}
.fx-route .fx-example p{margin:0 0 6px;font-size:.88rem;color:var(--ink);}
.fx-route .fx-example p:last-child{margin:0;}
.fx-board{margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;}
.fx-board div{background:var(--surface-sunk);border:1px solid var(--line);border-radius:10px;padding:8px;display:grid;gap:6px;align-content:start;}
.fx-board b{font:700 .66rem var(--display);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft);}
.fx-board i{display:block;height:20px;border-radius:5px;background:color-mix(in oklch,var(--signal) 30%,transparent);}
.fx-board div:nth-child(2) i{background:var(--signal);}
.fx-board figcaption{grid-column:1/-1;font-size:.78rem;color:var(--ink-soft);}
.fx-bar{margin-top:-2px;}
.fx-bar-track{position:relative;height:6px;border-radius:99px;background:var(--line);}
.fx-bar-track i{position:absolute;top:0;bottom:0;border-radius:99px;background:var(--signal);}
.fx-bar-scale{display:flex;justify-content:space-between;font-size:.75rem;color:var(--ink-soft);margin-top:4px;}
.fx-est a{color:var(--signal-text);font-weight:700;margin-left:4px;}
.fx-case .fx-proof{display:block;margin-top:6px;font-size:.92rem;color:var(--ink-mid);max-width:62ch;}
.fx-shot{display:flex;gap:14px;align-items:center;margin-top:16px;color:var(--ink-mid);}
.fx-shot img{width:200px;max-width:42%;height:auto;border-radius:12px;border:1px solid var(--line);display:block;}
.fx-shot p{margin:0;}
.fx-cta + .fx-est{margin-top:12px;}
.fx-est + .fx-free{margin-top:4px;}
.fx-chiplab{font-size:.86rem;color:var(--ink-soft);display:inline-flex;align-items:center;margin-right:2px;}
.fx-chiplab:not(:first-child){margin-left:8px;}
.fx-others a.fx-near{border-color:var(--signal-text);}
.fx-legend{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.95rem;color:var(--ink-mid);}
.fx-legend .bp-kind{margin:0 6px 0 0;}
.fx-proofs{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 28px;}
.fx-big{font:600 1.5rem var(--display);color:var(--signal-text);margin-right:6px;vertical-align:-2px;}
.fx-to-ask{display:none;}
.fx-list .fx-group{font-size:1.05rem;margin:30px 0 0;}
.fx-list .fx-group + .bp-prows{margin-top:12px;}
.fx-ask .fx-cta{margin-top:0;}
@media (max-width:699px){
  .fx-jump{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap;}
  .fx-jump a{flex:1 1 90px;text-decoration:none;color:var(--ink);border:1px solid var(--glass-edge);background:var(--surface);border-radius:12px;padding:8px 10px;min-height:44px;font:600 .84rem var(--display);display:grid;gap:2px;}
  .fx-jump span{font:500 .75rem var(--body);color:var(--signal-text);}
  .fx-route{scroll-margin-top:var(--site-header-offset,112px);}
  .fx-steps{grid-template-columns:1fr;gap:10px;}
  .fx-steps li+li::before{display:none;}
  .fx-cta .btn{flex:1 1 100%;justify-content:center;min-height:50px;text-align:center;}
  .fx-to-ask{display:block;}
  .fx-ask{scroll-margin-top:var(--site-header-offset,112px);}
}
@media (prefers-reduced-motion:reduce){.fx-fold span{transition:none;}}

/* Tap targets on phones and touch tablets (9 October 2026): the "Other problems I fix" chips and the jump to the closing box reach 44px. */
@media (max-width:640px), (pointer:coarse) and (max-width:1024px){
  .fx-others a{min-height:44px}
  .fx-to-ask a{display:inline-flex;align-items:center;min-height:44px}
}