/**/

.ap-main { padding-bottom: 0; }
.ap-main *, .ap-main *::before, .ap-main *::after { box-sizing: border-box; }
.ap-main p { text-wrap: pretty; }
.ap-main a { color: var(--violet-ink); text-underline-offset: 3px; text-decoration-thickness: 1.5px; }
.ap-main ::selection { background: var(--violet-tint); }
.ap-main summary { list-style: none; cursor: pointer; }
.ap-main summary::-webkit-details-marker { display: none; }
.ap-i { width: 16px; height: 16px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ap-chev { width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s var(--ease-out); }
details[open] > summary .ap-chev { transform: rotate(180deg); }
.ap-nw { white-space: nowrap; }
/**/
.ap-main mtable[columnlines^="solid"] > mtr > mtd:first-child { border-right: 1.5px solid var(--muted); padding-right: .6em; }
.ap-main mtable[rowlines^="solid"] > mtr:first-child > mtd { border-bottom: 1.5px solid var(--muted); padding-bottom: .2em; }
.ap-main mtable[rowlines^="solid"] > mtr:nth-child(2) > mtd { padding-top: .3em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/**/
.ap-layout { display: block; }
@media (min-width: 1000px) {
  .ap-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; grid-template-areas: "hero hero" "toc side" "art side"; column-gap: 48px; align-items: start; }
  .ap-hero { grid-area: hero; }
  .ap-toc { grid-area: toc; }
  .ap-art { grid-area: art; min-width: 0; }
  .ap-side { grid-area: side; position: sticky; top: 92px; margin-top: 8px; }
}

/**/
.ap-hero h1 { max-width: 22ch; }
.ap-lead { max-width: 64ch; }
/**/
.ap-key { display: inline-flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin: 16px 0 0; padding: 10px 18px; border-radius: 14px; background-color: var(--soft); box-shadow: var(--glass-in); color: var(--ink); }
.ap-key-l { font: 700 .82rem var(--ui), sans-serif; }
.ap-key-f { font-size: 1.25rem; }
/**/
.ap-go { margin: 14px 0 0; }
.ap-meta { display: flex; flex-wrap: wrap; gap: 6px 8px; margin: 16px 0 0; padding: 0; list-style: none; }
.ap-tag { display: inline-flex; align-items: center; gap: 6px; min-height: 30px; padding: 0 12px; border-radius: var(--radius-full); background-color: var(--glass-bg-2); border: 1px solid var(--glass-border); box-shadow: var(--glass-sm); font: 700 .78rem/1.2 var(--ui), sans-serif; color: var(--ink); }
.ap-tag--ok { background-image: linear-gradient(var(--green-tint), var(--green-tint)); border-color: var(--green-tint); color: var(--green-ink); }
.ap-tag--ok .ap-i { width: 15px; height: 15px; stroke-width: 2.6; }
.ap-tag--q { background: none; border-color: transparent; box-shadow: none; padding: 0 4px; color: var(--muted); font-weight: 600; }

/**/
.ap-toc { position: sticky; top: 60px; z-index: 20; display: flex; gap: 8px; overflow-x: auto; margin: 26px -20px 0; padding: 10px 20px; background-color: var(--glass-chrome); -webkit-backdrop-filter: var(--glass-blur-chrome); backdrop-filter: var(--glass-blur-chrome); border-bottom: 1px solid var(--glass-border); scrollbar-width: none; }
.ap-toc::-webkit-scrollbar { display: none; }
.ap-toc .exm-chip { flex: 0 0 auto; }
.ap-toc .exm-chip[aria-current="true"] { background-image: linear-gradient(var(--violet-tint), var(--violet-tint)); border-color: var(--violet-tint); color: var(--violet-ink); }
@media (min-width: 1000px) {
  /**/
  .ap-toc { position: static; gap: 4px 18px; margin: 22px 0 0; padding: 0; background: none; -webkit-backdrop-filter: none; backdrop-filter: none; border: 0; flex-wrap: wrap; overflow: visible; }
  .ap-toc .exm-chip { min-height: 36px; padding: 0; background: none; border: 0; box-shadow: none; font-weight: 700; color: var(--violet-ink); }
  .ap-toc .exm-chip:hover { text-decoration: underline; text-underline-offset: 3px; }
  .ap-toc .exm-chip[aria-current="true"] { background-image: none; color: var(--ink); }
}

/**/
.ap-side { margin-top: 22px; }
.ap-ck { padding: 20px; border-radius: 22px; background-color: var(--glass-bg); border: 1px solid var(--glass-border); box-shadow: var(--glass-up); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); }
.ap-ck-h { margin: 0; font: 600 1.25rem/1.25 var(--disp), sans-serif; letter-spacing: -.015em; color: var(--ink); }
.ap-ck-s { margin: 6px 0 0; font-size: .93rem; line-height: 1.55; color: var(--ink); }
.ap-cross { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 8px; align-items: end; margin-top: 14px; }
.ap-fld { display: flex; flex-direction: column; gap: 6px; font: 700 .82rem/1.3 var(--ui), sans-serif; color: var(--ink); }
.ap-inp { appearance: none; width: 100%; min-height: 48px; padding: 10px 12px; border: 1px solid transparent; border-radius: 14px; background-color: var(--glass-bg); background-image: linear-gradient(var(--soft), var(--soft)); box-shadow: var(--glass-in); font: 600 1rem/1.4 var(--ui), sans-serif; color: var(--ink); caret-color: var(--violet); resize: vertical; transition: border-color .2s, box-shadow .2s; }
.ap-inp::placeholder { color: var(--muted); }
.ap-inp:focus { outline: none; border-color: var(--violet); box-shadow: var(--glass-in), 0 0 0 4px var(--violet-tint); }
.ap-inp--g { min-height: 60px; font: 700 1.5rem var(--disp), sans-serif; letter-spacing: .02em; text-align: center; }
.ap-x { padding-bottom: 14px; font: 600 1.4rem var(--disp), sans-serif; color: var(--muted); }
.ap-ansf { margin-top: 12px; }
.ap-ck-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.ap-sel { min-height: 44px; max-width: 100%; padding: 0 14px; border-radius: var(--radius-full); border: 1px solid var(--glass-border); background-color: var(--glass-bg-2); box-shadow: var(--glass-sm); font: 600 .86rem var(--ui), sans-serif; color: var(--ink); cursor: pointer; }
.ap-ck-note { display: flex; align-items: center; gap: 6px; margin: 12px 0 0; font: 600 .8rem/1.4 var(--ui), sans-serif; color: var(--muted); }
/**/
.ap-tries { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 12px 0 0; font: 700 .82rem var(--ui), sans-serif; color: var(--ink); }
.ap-try--s { min-height: 36px; padding: 0 14px; font-size: .82rem; }
@media (max-width: 999px) { .ap-ck-row .ap-pre { display: none; } }
@media (min-width: 1000px) { .ap-tries { display: none; } }
/**/
.ap-ck { scroll-margin-top: 130px; }
.ap-back { display: inline-flex; align-items: center; min-height: 40px; margin-top: 8px; font: 600 .9rem var(--disp), sans-serif; color: var(--blue-ink); text-underline-offset: 3px; }
.ap-back::before { content: '↑\00a0'; }
@media (min-width: 1000px) { .ap-side .ap-inp--g { min-height: 52px; font-size: 1.25rem; } .ap-side .ap-ck { max-height: calc(100vh - 110px); overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--violet-tint) transparent; } }

/**/
.ap-fb:empty { display: none; }
.ap-fb { margin-top: 14px; animation: apIn .35s var(--ease-out); }
@keyframes apIn { from { opacity: 0; transform: translateY(6px); } }
.ap-fh { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; padding: 12px 14px; border-radius: 14px; font-size: .95rem; line-height: 1.55; color: var(--ink); }
.ap-fh p { margin: 0; }
.ap-fh .ap-i { width: 22px; height: 22px; margin-top: 1px; stroke-width: 2.4; }
.ap-fh b { font-family: var(--disp), sans-serif; font-weight: 600; }
.ap-fh--ok { background-color: var(--glass-bg-2); background-image: linear-gradient(var(--green-tint), var(--green-tint)); }
.ap-fh--ok .ap-i { color: var(--green-ink); }
.ap-fh--bad { background-color: var(--glass-bg-2); background-image: linear-gradient(var(--coral-tint), var(--coral-tint)); }
.ap-fh--bad .ap-i { color: var(--coral-ink); }
.ap-fh--na { background-color: var(--soft); box-shadow: var(--glass-in); }
.ap-rows { list-style: none; display: grid; gap: 6px; margin: 10px 0 0; padding: 0; }
.ap-rows li { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: .92rem; color: var(--ink); }
.ap-st { display: inline-flex; align-items: center; gap: 4px; min-height: 26px; padding: 0 9px; border-radius: var(--radius-full); font: 700 .76rem var(--ui), sans-serif; background-color: var(--glass-bg-2); }
.ap-st .ap-i { width: 13px; height: 13px; stroke-width: 2.8; }
.ap-st--ok { background-image: linear-gradient(var(--green-tint), var(--green-tint)); color: var(--green-ink); }
.ap-st--mal { background-image: linear-gradient(var(--coral-tint), var(--coral-tint)); color: var(--coral-ink); }
.ap-st--falta { background-image: linear-gradient(var(--gold-tint), var(--gold-tint)); color: var(--gold-ink); }
.ap-g { font: 700 1rem var(--disp), sans-serif; letter-spacing: .02em; color: var(--ink); }
.ap-sol-ck { margin-top: 10px; }
.ap-lists { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; margin-top: 12px; }
.ap-lists h3 { margin: 0; font: 600 .95rem var(--disp), sans-serif; color: var(--ink); }
.ap-ls { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 4px; font-size: .93rem; color: var(--ink); font-variant-numeric: tabular-nums; }
.ap-calc { display: flex; align-items: center; gap: 6px; margin: 12px 0 0; font: 700 .82rem var(--ui), sans-serif; color: var(--green-ink); }
.ap-calc .ap-i { width: 15px; height: 15px; stroke-width: 2.6; }

/**/
.ap-ck > .ap-fld { margin-top: 14px; }
.ap-g2, .ap-g3 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 10px; align-items: end; margin-top: 14px; }
.ap-g3 > :first-child { grid-column: 1 / -1; }
.ap-g2.ap-ansf, .ap-g3.ap-ansf { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--glass-edge); }
.ap-g2 > .ap-ansf { margin-top: 0; }
/**/
.ap-fld-fmt { font: 400 .8rem/1.45 var(--ui), sans-serif; color: var(--muted); }
.ap-fld-h { margin: 0 0 6px; font: 700 .82rem/1.3 var(--ui), sans-serif; color: var(--ink); }
.ap-inp--s { min-height: 40px; padding: 6px 8px; border-radius: 12px; font-size: .95rem; text-align: center; resize: none; }
.ap-inp.is-ok { border-color: var(--green-ink); background-image: linear-gradient(var(--green-tint), var(--green-tint)); }
.ap-inp.is-bad { border-color: var(--coral-ink); background-image: linear-gradient(var(--coral-tint), var(--coral-tint)); }
.ap-mgrid, .ap-ptab table { width: 100%; border-collapse: separate; border-spacing: 6px; margin: 8px -6px 0; width: calc(100% + 12px); table-layout: fixed; }
.ap-mgrid th, .ap-ptab th { padding: 0; font: 700 .8rem/1.2 var(--ui), sans-serif; color: var(--ink); text-align: left; }
.ap-mgrid thead th { text-align: center; }
.ap-mgrid tbody th { width: 34%; }
.ap-ptab { margin-top: 14px; }
.ap-ptab th .ap-inp--s { font-weight: 700; background-image: linear-gradient(var(--violet-tint), var(--violet-tint)); }
.ap-ck[data-mode="table"] .ap-ptree, .ap-ck[data-mode="table"] .ap-ptree-b, .ap-ck[data-mode="tree"] .ap-ptab { display: none; }
.ap-ptree:not(:empty) { margin-top: 14px; padding: 12px 14px; border-radius: 14px; background-color: var(--soft); box-shadow: var(--glass-in); }
.ap-ptree > .ap-axes { margin-top: 0; color: var(--ink); }
.ap-ptree-b { margin: 10px 0 0; }
.ap-tree, .ap-tree ul { list-style: none; margin: 8px 0 0; padding: 0; font-size: .93rem; line-height: 1.5; color: var(--ink); font-variant-numeric: tabular-nums; }
.ap-tree > li + li { margin-top: 8px; }
.ap-tree ul { margin-top: 4px; padding-left: 14px; border-left: 2px solid var(--glass-edge); display: grid; gap: 2px; }
.ap-tree b { font-family: var(--disp), sans-serif; font-weight: 600; }
/**/
.ap-dec { border-collapse: collapse; margin-top: 8px; font-size: .93rem; line-height: 1.4; color: var(--ink); font-variant-numeric: tabular-nums; }
.ap-dec th, .ap-dec td { padding: 5px 14px 5px 0; text-align: left; border-bottom: 1px solid var(--glass-edge); }
.ap-dec thead th { font: 700 .8rem var(--ui), sans-serif; color: var(--ink); }
.ap-dec tbody th { font-weight: 700; }
.ap-dec tbody tr:last-child > * { border-bottom: 0; }

/**/
.ap-pq-w { overflow-x: auto; }
.ap-pq { border-collapse: separate; border-spacing: 6px; margin: 4px -6px 0; }
.ap-pq th { padding: 4px 8px; font: 700 .95rem var(--disp), sans-serif; color: var(--muted); text-align: center; }
.ap-pq td { min-width: 58px; height: 48px; padding: 0 6px; text-align: center; border-radius: 12px; font: 700 1rem var(--disp), sans-serif; color: var(--ink); background-color: var(--glass-bg-2); border: 1px solid var(--glass-border); box-shadow: var(--glass-sm); }
.ap-pq td.ap-pq-c { background: none; border: 0; box-shadow: none; }
.ap-pq .c0, .ap-sw.c0 { background-image: linear-gradient(var(--violet-tint), var(--violet-tint)); }
.ap-pq .c1, .ap-sw.c1 { background-image: linear-gradient(var(--sky-tint), var(--sky-tint)); }
.ap-pq .c2, .ap-sw.c2 { background-image: linear-gradient(var(--gold-tint), var(--gold-tint)); }
.ap-pq .c3, .ap-sw.c3 { background-image: linear-gradient(var(--blue-tint), var(--blue-tint)); }
.ap-sw { display: inline-block; width: 12px; height: 12px; margin-right: 6px; border-radius: 4px; vertical-align: -1px; background-color: var(--glass-bg-2); border: 1px solid var(--glass-border); }
.ap-axes { margin: 8px 0 0; font-size: .84rem; color: var(--muted); }
@media (max-width: 420px) { .ap-pq td { min-width: 0; height: 42px; font-size: .9rem; } .ap-pq th { font-size: .86rem; padding: 4px; } }

/**/
.ap-sec { margin-top: 48px; scroll-margin-top: 130px; }
@media (min-width: 1000px) { .ap-sec { scroll-margin-top: 96px; } }
.ap-sec > h2 { margin: 0 0 12px; font: 600 clamp(1.32rem, 2.2vw, 1.7rem)/1.25 var(--disp), sans-serif; letter-spacing: -.015em; color: var(--ink); text-wrap: balance; }
.ap-prose { max-width: 68ch; }
.ap-prose p, .ap-src > p { margin: 0 0 12px; font-size: 1rem; line-height: 1.75; color: var(--ink); }
.ap-sub { margin: 0 0 14px; max-width: 66ch; font-size: .95rem; line-height: 1.6; color: var(--ink); }

/**/
.ap-fig { margin: 18px 0 0; padding: 16px 16px 14px; border-radius: 18px; background-color: var(--glass-bg); border: 1px solid var(--glass-border); box-shadow: var(--glass-up); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); }
.ap-fig figcaption { margin-top: 8px; font-size: .92rem; line-height: 1.55; color: var(--ink); }
.ap-fig figcaption b { font-family: var(--disp), sans-serif; font-weight: 600; }

/**/
.ap-tbl { margin: 20px 0 0; }
.ap-tbl figcaption { margin-bottom: 8px; font: 600 1rem/1.4 var(--disp), sans-serif; color: var(--ink); }
.ap-tbl-sc { border-radius: 16px; overflow: hidden; background-color: var(--glass-bg); border: 1px solid var(--glass-border); box-shadow: var(--glass-sm); }
.ap-tbl table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .94rem; line-height: 1.5; color: var(--ink); }
.ap-tbl th, .ap-tbl td { padding: 11px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--glass-edge); }
.ap-tbl thead th { font: 600 .84rem/1.3 var(--disp), sans-serif; }
.ap-tbl tbody th { font-weight: 700; }
.ap-tbl tbody tr:last-child > * { border-bottom: 0; }
.ap-tl { display: none; }
/**/
@media (max-width: 768px) { .ap-main table { display: table !important; max-width: none !important; overflow: visible !important; white-space: normal; } }
@media (max-width: 640px) {
  .ap-tbl:not(.ap-tbl--scroll) .ap-tbl-sc { background: none; border: 0; box-shadow: none; overflow: visible; }
  .ap-tbl:not(.ap-tbl--scroll) :is(table, tbody, tr, th, td) { display: block !important; }
  .ap-tbl:not(.ap-tbl--scroll) thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .ap-tbl:not(.ap-tbl--scroll) tr { margin-bottom: 8px; padding: 10px 14px; border-radius: 14px; background-color: var(--glass-bg-2); border: 1px solid var(--glass-border); box-shadow: var(--glass-sm); }
  .ap-tbl:not(.ap-tbl--scroll) tbody th { padding: 0 0 6px; border: 0; font: 700 1.05rem var(--disp), sans-serif; }
  .ap-tbl:not(.ap-tbl--scroll) td { padding: 8px 0; border: 0; border-top: 1px solid var(--glass-edge); }
  .ap-tbl:not(.ap-tbl--scroll) .ap-tl { display: block; margin-bottom: 2px; font: 700 .78rem/1.4 var(--ui), sans-serif; color: var(--muted); }
  .ap-tbl--scroll table { min-width: 620px; }
}
/**/
.ap-tbl--scroll .ap-tbl-sc { overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: thin; scrollbar-color: var(--violet-tint) transparent; }
.ap-tbl--scroll :is(thead th:first-child, tbody th) { position: sticky; left: 0; z-index: 1; background-color: var(--card); }
.ap-tbl--scroll th, .ap-tbl--scroll td { padding: 9px 12px; white-space: nowrap; }
@media (min-width: 1000px) { .ap-tbl--scroll th, .ap-tbl--scroll td { padding: 8px 10px; font-size: .88rem; } .ap-tbl--scroll thead th { white-space: normal; } }
.ap-tbl-hint { margin: 8px 0 0; font: 600 .82rem/1.4 var(--ui), sans-serif; color: var(--ink); }
.ap-tbl-hint::before { content: '↔\00a0'; color: var(--violet-ink); }
@media (max-width: 640px) { .ap-tbl--scroll :is(thead th:first-child, tbody th) { width: 6em; white-space: normal; font-size: .86rem; line-height: 1.3; } }

/**/
.ap-ex { margin-top: 10px; border-radius: 18px; background-color: var(--glass-bg-2); border: 1px solid var(--glass-border); box-shadow: var(--glass-sm); }
.ap-ex > summary { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; padding: 14px 16px; font-size: .97rem; line-height: 1.6; color: var(--ink); }
.ap-ex > summary .ap-chev { margin-top: 4px; }
.ap-ex[open] { background-color: var(--glass-bg); box-shadow: var(--glass-up); }
.ap-steps { counter-reset: st; list-style: none; margin: 0; padding: 0 16px 8px; }
.ap-steps li { counter-increment: st; position: relative; padding: 12px 0 12px 36px; border-top: 1px solid var(--glass-edge); font-size: .95rem; line-height: 1.6; color: var(--ink); }
.ap-steps li p { margin: 0; }
.ap-steps li::before { content: counter(st); position: absolute; left: 0; top: 12px; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; font: 700 .8rem var(--disp), sans-serif; color: var(--violet-ink); background-color: var(--glass-bg-2); background-image: linear-gradient(var(--violet-tint), var(--violet-tint)); }
.ap-fx { display: block; margin-top: 8px; padding: 9px 12px; overflow-x: auto; border-radius: 12px; background-color: var(--soft); box-shadow: var(--glass-in); color: var(--ink); }
.ap-res { margin: 0; padding: 0 16px 16px 52px; font-size: .95rem; color: var(--ink); }
.ap-res b, .ap-ans b { font-family: var(--disp), sans-serif; font-weight: 600; }

/**/
/**/
.ap-common { max-width: 72ch; margin: 0 0 14px; padding: 10px 14px; border-radius: 14px; background-color: var(--soft); box-shadow: var(--glass-in); font-size: .93rem; line-height: 1.6; color: var(--ink); }
.ap-ejs { list-style: none; display: grid; gap: 10px; margin: 0; padding: 0; }
.ap-ej { padding: 14px 16px; border-radius: 18px; background-color: var(--glass-bg-2); border: 1px solid var(--glass-border); box-shadow: var(--glass-sm); scroll-margin-top: 130px; }
.ap-ej-h { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 8px; }
.ap-ej-n { font: 700 1rem var(--disp), sans-serif; color: var(--ink); }
.ap-lvl { display: inline-flex; align-items: center; gap: 3px; font: 700 .76rem var(--ui), sans-serif; color: var(--muted); }
.ap-lvl i { width: 8px; height: 8px; border-radius: 50%; background-color: var(--soft); box-shadow: var(--glass-in); }
.ap-lvl[data-n="1"] i:nth-child(1), .ap-lvl[data-n="2"] i:nth-child(-n+2), .ap-lvl[data-n="3"] i { background-color: var(--violet); box-shadow: none; }
.ap-lvl > span { margin-left: 4px; }
.ap-vf { display: inline-flex; align-items: center; gap: 5px; font: 700 .76rem var(--ui), sans-serif; color: var(--green-ink); }
.ap-vf .ap-i { width: 15px; height: 15px; stroke-width: 2.6; }
.ap-ej-st { margin: 0; font-size: .96rem; line-height: 1.6; color: var(--ink); }
.ap-ej-a { margin-top: 10px; }
.ap-try, .ap-print { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 16px; border-radius: var(--radius-full); border: 1px solid var(--glass-border); background-color: var(--glass-bg-2); box-shadow: var(--glass-sm); font: 600 .86rem var(--disp), sans-serif; color: var(--blue-ink); cursor: pointer; transition: transform .12s var(--spring), box-shadow .12s; }
.ap-try:hover, .ap-print:hover { transform: translateY(-2px); }
.ap-try:active, .ap-print:active { transform: none; box-shadow: var(--glass-in); }
.ap-sol { margin-top: 8px; }
.ap-sol > summary { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; font: 600 .9rem var(--disp), sans-serif; color: var(--blue-ink); }
.ap-sol .ap-steps { padding: 4px 0; }
.ap-ans { margin: 6px 0 0; padding: 10px 12px; border-radius: 12px; background-color: var(--soft); box-shadow: var(--glass-in); font-size: .93rem; line-height: 1.55; color: var(--ink); }
.ap-print-row { margin: 16px 0 0; }

/**/
.ap-pau { list-style: none; display: grid; gap: 10px; margin: 0; padding: 0; }
.ap-pau li { padding: 14px 16px; border-radius: 16px; background-color: var(--glass-bg-2); border: 1px solid var(--glass-border); box-shadow: var(--glass-sm); }
.ap-pau p { margin: 4px 0 0; font-size: .95rem; line-height: 1.6; color: var(--ink); }
/**/
.ap-temas { margin: 14px 0 0; }
.ap-pau .ap-pau-h { margin: 0; }
.ap-pau-h b { font: 600 1rem var(--disp), sans-serif; }
.ap-pau-h span { font-size: .86rem; color: var(--muted); }
.ap-pau a, .ap-errs a, .ap-src a { display: inline-flex; align-items: center; gap: 5px; min-height: 36px; font-weight: 700; font-size: .88rem; }
.ap-pau a .ap-i, .ap-errs a .ap-i, .ap-src a .ap-i { width: 14px; height: 14px; }
.ap-errs { list-style: none; display: grid; gap: 8px; margin: 0; padding: 0; max-width: 72ch; }
.ap-errs li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; padding: 12px 14px; border-radius: 14px; background-color: var(--soft); box-shadow: var(--glass-in); font-size: .95rem; line-height: 1.6; color: var(--ink); }
.ap-errs li > .ap-i { width: 20px; height: 20px; margin-top: 3px; color: var(--coral-ink); }
.ap-errs p { margin: 0; }
.ap-src ul { list-style: none; display: grid; gap: 8px; margin: 10px 0 0; padding: 0; font-size: .9rem; line-height: 1.55; color: var(--ink); }
.ap-src li { max-width: 80ch; }
.ap-byline { margin: 14px 0 0 !important; font: 600 .9rem var(--ui), sans-serif; color: var(--ink); }
.ap-sec > .tool-faq { max-width: 820px; }

/**/
.ap-cta { position: relative; overflow: hidden; margin: 72px 0 96px; padding: 34px 40px 30px; border-radius: 24px; background-color: var(--violet-lo); background-image: var(--grad-cta); box-shadow: var(--glass-cta); color: #fff; }
.ap-cta::before { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(60% 80% at 12% 0%, rgba(255,255,255,.22), transparent 60%), radial-gradient(50% 70% at 100% 100%, rgba(255,255,255,.14), transparent 60%); }
.ap-cta > * { position: relative; }
.ap-cta h2 { margin: 0; font: 700 clamp(1.5rem, 2.6vw, 1.9rem)/1.15 var(--disp), sans-serif; letter-spacing: -.02em; color: #fff; }
.ap-cta p { margin: 8px 0 0; max-width: 56ch; color: #fff; line-height: 1.6; }
.ap-cta-b { margin-top: 18px; background-color: var(--card); color: var(--blue-ink); box-shadow: 0 10px 22px -12px rgba(var(--shd), .45), inset 0 1px 0 var(--glass-hi); }
.ap-cta-b:hover { transform: translateY(-2px); }
.ap-cta-b:active { transform: none; box-shadow: var(--glass-in); }
.ap-cta .ap-cta-l { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-top: 14px; }
.ap-cta-l a { display: inline-flex; align-items: center; min-height: 40px; color: #fff; font-weight: 700; font-size: .92rem; }
@media (max-width: 768px) { .ap-cta { margin: 56px 0 72px; padding: 26px 22px 24px; border-radius: 20px; } }

/**/
.ap-hero--idx h1 { max-width: 24ch; }
/**/
.ap-subjs { columns: 2 320px; column-gap: 20px; margin-top: 48px; }
.ap-subjs > .ap-subj { margin: 0 0 36px; break-inside: avoid; }
.ap-subjs .ap-cards { grid-template-columns: minmax(0, 1fr); gap: 12px; }
.ap-cards { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; margin: 0; padding: 0; }
.ap-card a { display: block; height: 100%; padding: 18px; border-radius: 18px; background-color: var(--glass-bg); border: 1px solid var(--glass-border); box-shadow: var(--glass-up); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); text-decoration: none; color: var(--ink); transition: translate .25s var(--ease-out), border-color .25s var(--ease-out); }
.ap-card a:hover { translate: 0 -2px; border-color: var(--violet-tint); }
.ap-card h3 { margin: 0; font: 600 1.15rem/1.25 var(--disp), sans-serif; color: var(--ink); }
.ap-card p { margin: 6px 0 0; font-size: .93rem; line-height: 1.55; color: var(--ink); }
.ap-card .ap-card-c { font-weight: 700; font-size: .84rem; color: var(--muted); }
.ap-card-v { display: inline-flex; align-items: center; gap: 5px; margin-top: 10px; font: 700 .78rem var(--ui), sans-serif; color: var(--green-ink); }
.ap-card-v .ap-i { width: 15px; height: 15px; stroke-width: 2.6; }
.ap-what p { max-width: 68ch; color: var(--ink); line-height: 1.7; }

/**/
.ap-pm { --pm-it: var(--violet-ink); --pm-ct: var(--gold-ink); position: relative; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; margin: 14px 0 0; padding: 18px; border-radius: var(--radius-xl); background-color: var(--glass-bg); border: 1px solid var(--glass-border); box-shadow: var(--glass-up); }
/**/
[data-theme="dark"] .ap-pm { --pm-it: var(--violet-lo); --pm-ct: #977008; }
.ap-pm-h { margin: 0; font: 600 1.08rem/1.3 var(--disp), sans-serif; color: var(--ink); text-wrap: balance; }
.ap-pm-dots { display: flex; align-items: center; gap: 6px; }
.ap-pm-dots i { width: 28px; height: 6px; border-radius: 3px; background-color: var(--soft); box-shadow: var(--glass-in); }
.ap-pm-dots i.on { background-color: var(--pm-it); box-shadow: none; }
.ap-pm-dots span { margin-left: 6px; font: 700 .8rem var(--ui), sans-serif; color: var(--muted); }
.ap-pm-leg { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 0; padding: 0; list-style: none; font: 600 .8rem var(--ui), sans-serif; color: var(--ink); }
.ap-pm-leg li { display: inline-flex; align-items: center; gap: 6px; }
.ap-pm-leg i { width: 16px; border-top: 3px solid var(--pm-it); border-radius: 2px; }
.ap-pm-leg i.ct { border-top-color: var(--pm-ct); }
.ap-pm-leg i.cf { border-top: 2px dashed var(--muted); border-radius: 0; }
.ap-pm-plot { min-width: 0; }
.ap-pm-svg { display: block; width: 100%; height: auto; overflow: visible; touch-action: pan-y; }
.ap-pm-svg text { font: 12px var(--ui), sans-serif; fill: var(--muted); }
/**/
.ap-pm-svg .lab, .ap-pm-svg .zone { fill: var(--ink); font-weight: 700; paint-order: stroke; stroke: var(--card); stroke-width: 4px; stroke-linejoin: round; }
.ap-pm-svg .zone { font: 600 13px var(--disp), sans-serif; }
.ap-pm-svg .grid { stroke: var(--line); stroke-width: 1; }
.ap-pm-svg .axis { stroke: var(--faint); stroke-width: 1; }
.ap-pm-svg .l-it, .ap-pm-svg .l-ct { stroke-width: 2.25; stroke-linecap: round; fill: none; }
.ap-pm-svg .l-it { stroke: var(--pm-it); }
.ap-pm-svg .l-ct { stroke: var(--pm-ct); }
.ap-pm-svg .l-cf { stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 5 5; fill: none; }
.ap-pm-svg .z-loss { fill: var(--coral-tint); }
.ap-pm-svg .z-gain { fill: var(--green-tint); }
.ap-pm-svg .pt { fill: var(--card); stroke: var(--ink); stroke-width: 2; }
.ap-pm-svg .gap-gain, .ap-pm-svg .gap-loss { stroke-width: 3; stroke-linecap: round; }
.ap-pm-svg .gap-gain { stroke: var(--green-ink); }
.ap-pm-svg .gap-loss { stroke: var(--coral-ink); }
.ap-pm-svg .xh { stroke: var(--ink); stroke-width: 1; opacity: .45; }
.ap-pm-svg .sw-it, .ap-pm-svg .sw-ct { stroke-width: 3; stroke-linecap: round; }
.ap-pm-svg .sw-it { stroke: var(--pm-it); }
.ap-pm-svg .sw-ct { stroke: var(--pm-ct); }
.ap-pm-svg .sw-cf { stroke: var(--muted); stroke-width: 2; stroke-dasharray: 4 3; }
.ap-pm-svg .enter { animation: ap-pm-in .45s var(--ease-out) both; }
@keyframes ap-pm-in { from { opacity: 0; } to { opacity: 1; } }
.ap-pm-steps { display: grid; gap: 6px; margin: 0; padding-left: 20px; font-size: .95rem; line-height: 1.6; color: var(--ink); }
.ap-pm-steps b { font-family: var(--disp), sans-serif; font-weight: 600; }
.ap-pm.is-js .ap-pm-steps { min-height: 4.8em; padding: 0; list-style: none; }
.ap-pm.is-js .ap-pm-steps > li:not(.on) { display: none; }
.ap-pm-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.ap-pm-nav[hidden] { display: none; }
.ap-pm-b { color: var(--ink); }
.ap-pm-b--go { background-image: linear-gradient(var(--violet-tint), var(--violet-tint)); }
.ap-pm-b:disabled { opacity: .45; cursor: default; transform: none; }
.ap-pm-tip { margin: 0; padding: 10px 12px; border-radius: var(--radius-md); background-color: var(--soft); box-shadow: var(--glass-in); color: var(--ink); font-size: .88rem; line-height: 1.55; }
/**/
.ap-pm-tipbox { position: absolute; z-index: 2; pointer-events: none; min-width: 176px; padding: 8px 10px; border-radius: var(--radius-sm); background-color: var(--card); border: 1px solid var(--glass-border); box-shadow: var(--glass-sm); font-size: .8rem; line-height: 1.45; color: var(--ink); opacity: 0; transition: opacity .12s; }
.ap-pm-tipbox.on { opacity: 1; }
.ap-pm-tipbox b { display: block; font-family: var(--disp), sans-serif; font-weight: 600; }
.ap-pm-tipbox .r { display: flex; justify-content: space-between; gap: 12px; font-variant-numeric: tabular-nums; }
.ap-pm-tab summary { display: inline-flex; align-items: center; min-height: 32px; font: 700 .85rem var(--ui), sans-serif; color: var(--blue-ink); cursor: pointer; }
.ap-pm-tab table { width: 100%; margin-top: 6px; border-collapse: collapse; font-size: .85rem; font-variant-numeric: tabular-nums; color: var(--ink); }
.ap-pm-tab :is(th, td) { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: right; }
.ap-pm-tab :is(th, td):first-child { text-align: left; }
.ap-pm-tab th { font-size: .78rem; font-weight: 700; color: var(--muted); }
@media (max-width: 640px) { .ap-pm { padding: 16px 12px; } }
@media (prefers-reduced-motion: reduce) { .ap-pm-svg .enter { animation: none; } .ap-pm-tipbox { transition: none; } }
@media print { .ap-pm-nav, .ap-pm-dots, .ap-pm-tipbox { display: none !important; } }

/**/
#ap-print { display: none; }
@media print {
  @page { size: A4; margin: 14mm; }
  body::before { display: none !important; }
  body.ap-printing > *:not(#ap-print) { display: none !important; }
  body.ap-printing #ap-print { display: block; color: #33304a; background: #fff; font: 11.5pt/1.5 var(--ui), sans-serif; }
  #ap-print h1 { margin: 0; font: 700 18pt/1.2 var(--disp), sans-serif; color: #33304a; }
  #ap-print .pp-meta { margin: 4pt 0 0; padding-bottom: 8pt; border-bottom: 1.5pt solid #33304a; font-weight: 700; }
  #ap-print .pp-who { display: flex; gap: 24pt; margin: 12pt 0 4pt; }
  #ap-print .pp-who span { flex: 1; padding-bottom: 2pt; border-bottom: 1pt solid #b9b3c9; }
  #ap-print ol { margin: 8pt 0 0; padding-left: 18pt; list-style: decimal outside; }
  #ap-print li::marker { font-weight: 700; }
  #ap-print li { margin-top: 10pt; break-inside: avoid; }
  #ap-print .pp-lines { height: 42pt; margin-top: 4pt; background: repeating-linear-gradient(transparent 0 13pt, #d6d1e1 13pt 14pt); }
  #ap-print .pp-sol { break-before: page; }
  #ap-print .pp-common { margin: 8pt 0 0; padding: 4pt 0 4pt 8pt; border-left: 2pt solid #b9b3c9; font-size: 10.5pt; color: #33304a; }
  #ap-print .pp-grid { border-collapse: collapse; margin-top: 6pt; font-size: 10pt; }
  #ap-print .pp-grid th, #ap-print .pp-grid td { height: 17pt; padding: 2pt 8pt; border: 1pt solid #d6d1e1; text-align: left; color: #33304a; }
  #ap-print .pp-grid td { width: 110pt; }
  /**/
  #ap-print .ap-dec, #ap-print .ap-dec :is(th, td) { color: #33304a; border-color: #d6d1e1; }
  #ap-print .pp-foot { margin-top: 14pt; padding-top: 6pt; border-top: 1pt solid #d6d1e1; font-size: 9pt; color: #5d5680; }
}

@media (prefers-reduced-motion: reduce) {
  .ap-fb { animation: none; }
  .ap-chev, .ap-try, .ap-print, .ap-card a, .ap-cta-b { transition: none; }
}