/* ==========================================================================
   doc.css — shared components for the long-form documents: the essays,
   the check list, the claim ledger and the published report samples.
   Everything is scoped under .doc so nothing here can reach the
   instruments or the home page. Loaded after typelabs.css; it borrows
   that file's variables and adds no new colours except the two data
   marks, which were validated against #0A0C1F for contrast and for
   deuteranopia before being allowed near a chart.
   ========================================================================== */

:root {
  --mark-pass: #8A6F1E;   /* chroma 0.14, L 0.55 — passes as a data mark */
  --mark-fail: #4F8FCB;   /* dE 22.0 under deutan simulation */
}

/* --- prose ---------------------------------------------------------------- */
.doc p {
  font-family: var(--serif); font-size: 1.02rem; font-weight: 300;
  color: var(--ivory-ghost); line-height: 1.8; margin: 0 0 1.15rem;
}
body.lang-ja .doc p { font-family: var(--jp); font-size: .93rem; line-height: 2; }
.doc p:last-child { margin-bottom: 0; }
.doc b, .doc strong { color: var(--ivory); font-weight: 400; }
body.lang-ja .doc b, body.lang-ja .doc strong { font-weight: 500; }
.doc em { color: var(--gold-bright); font-style: italic; }
body.lang-ja .doc em { font-style: normal; }
.doc a { color: var(--gold); border-bottom: 1px solid rgba(201,169,97,.35); }

.doc h2 {
  font-family: var(--display); font-size: 1.3rem; font-weight: 400;
  letter-spacing: .05em; color: var(--ivory); line-height: 1.5;
  margin: 3.2rem 0 1.2rem; padding-top: 1.7rem;
  border-top: 1px solid var(--glass-strong);
}
body.lang-ja .doc h2 { font-family: var(--jp); font-size: 1.1rem; letter-spacing: .08em; }
.doc h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }

.doc .num {
  font-family: var(--display); letter-spacing: .06em; color: var(--ivory);
  font-variant-numeric: tabular-nums;
}

/* --- the single large figure ---------------------------------------------- */
.doc .hero {
  border: 1px solid var(--gold-deep); padding: 1.6rem 1.8rem; margin: 1.7rem 0;
  background: linear-gradient(180deg, rgba(15,27,61,.55), rgba(10,12,31,.4));
}
@media (max-width: 620px) { .doc .hero { padding: 1.3rem 1.1rem; } }
.doc .hero .v {
  font-family: var(--display); font-size: clamp(2.2rem, 10vw, 3.4rem);
  color: var(--gold-bright); font-variant-numeric: tabular-nums;
  margin: 0; line-height: 1;
}
.doc .hero .w { margin: .7rem 0 0; font-size: .96rem; }
.doc .hero.bad { border-color: rgba(217,122,94,.5);
  background: linear-gradient(180deg, rgba(217,122,94,.07), rgba(10,12,31,.4)); }
.doc .hero.bad .v { color: var(--friction); }

/* --- tables --------------------------------------------------------------- */
.doc .tw { overflow-x: auto; margin: 1.5rem 0; border: 1px solid var(--glass-strong); }
.doc table {
  border-collapse: collapse; width: 100%; min-width: 26rem;
  font-size: .88rem; background: var(--obsidian);
}
.doc th {
  text-align: left; font-family: var(--display); font-size: .68rem;
  letter-spacing: .14em; color: var(--gold); font-weight: 400;
  padding: .7rem .85rem; border-bottom: 1px solid var(--glass-strong); white-space: nowrap;
}
body.lang-ja .doc th { font-family: var(--jp); letter-spacing: .06em; font-size: .74rem; }
.doc td {
  font-family: var(--serif); font-size: .95rem; font-weight: 300;
  padding: .62rem .85rem; border-bottom: 1px solid rgba(201,169,97,.08);
  color: var(--ivory-ghost); line-height: 1.6;
}
body.lang-ja .doc td { font-family: var(--jp); font-size: .86rem; }
.doc tr:last-child td { border-bottom: none; }
.doc td.n {
  font-family: var(--display); font-variant-numeric: tabular-nums;
  color: var(--ivory); white-space: nowrap;
}
.doc tr.hl td { background: rgba(201,169,97,.055); }

/* --- status and rarity tags ----------------------------------------------- */
.doc .tag {
  font-family: var(--display); font-size: .6rem; letter-spacing: .16em;
  padding: .2rem .5rem; border: 1px solid var(--glass-strong); color: var(--quiet, var(--ivory-faint));
  white-space: nowrap;
}
body.lang-ja .doc .tag { font-family: var(--jp); letter-spacing: .06em; font-size: .68rem; }
.doc .tag.r { color: var(--gold-bright); border-color: rgba(229,205,134,.45); }
.doc .tag.m { color: var(--gold); border-color: var(--glass-strong); }
.doc .tag.c { color: var(--ivory-faint); }
.doc .st {
  display: inline-block; font-family: var(--display); font-size: .58rem;
  letter-spacing: .18em; padding: .18rem .45rem; margin-right: .6rem;
  border: 1px solid var(--glass-strong); color: var(--gold); vertical-align: .1em;
}
body.lang-ja .doc .st { font-family: var(--jp); letter-spacing: .06em; font-size: .66rem; }
.doc .st.susp { color: var(--friction); border-color: rgba(217,122,94,.4); }
.doc .st.cant { color: var(--ivory-faint); }

/* --- quotations and error notes -------------------------------------------- */
.doc .quote {
  border-left: 2px solid var(--gold-deep); padding: .25rem 0 .25rem 1.2rem;
  margin: 1.5rem 0; color: var(--ivory); font-family: var(--serif);
  font-size: 1.02rem; font-weight: 300; line-height: 1.75;
}
body.lang-ja .doc .quote { font-family: var(--jp); font-size: .94rem; }
.doc .quote .src {
  display: block; margin-top: .4rem; font-family: var(--display);
  font-size: .68rem; letter-spacing: .14em; color: var(--ivory-faint);
}
body.lang-ja .doc .quote .src { font-family: var(--jp); letter-spacing: .06em; font-size: .72rem; }

.doc .err {
  border: 1px solid rgba(217,122,94,.45); background: rgba(217,122,94,.05);
  padding: 1.4rem 1.55rem; margin: 1.5rem 0;
}
@media (max-width: 620px) { .doc .err { padding: 1.2rem 1.1rem; } }
.doc .err .k {
  font-family: var(--display); font-size: .7rem; letter-spacing: .18em;
  color: var(--friction); margin-bottom: .6rem;
}
body.lang-ja .doc .err .k { font-family: var(--jp); letter-spacing: .08em; font-size: .78rem; }
.doc .err p { font-size: .96rem; }
body.lang-ja .doc .err p { font-size: .88rem; }

/* --- a bordered aside, used for definitions and denominators -------------- */
.doc .box {
  border: 1px solid var(--gold-deep); padding: 1.5rem 1.7rem; margin: 1.6rem 0;
  background: linear-gradient(180deg, rgba(15,27,61,.5), rgba(10,12,31,.35));
}
@media (max-width: 620px) { .doc .box { padding: 1.2rem 1.1rem; } }
.doc .box dl { margin: 0; }
.doc .box dt {
  font-family: var(--display); font-size: .66rem; letter-spacing: .2em;
  color: var(--gold); margin-top: 1rem;
}
body.lang-ja .doc .box dt { font-family: var(--jp); letter-spacing: .08em; font-size: .74rem; }
.doc .box dt:first-child { margin-top: 0; }
.doc .box dd {
  margin: .3rem 0 0; font-family: var(--serif); font-size: .96rem; font-weight: 300;
  color: var(--ivory-ghost); line-height: 1.75;
}
body.lang-ja .doc .box dd { font-family: var(--jp); font-size: .88rem; line-height: 1.95; }

/* --- charts --------------------------------------------------------------- */
.doc figure { margin: 2.2rem 0; }
.doc .fig-t {
  font-family: var(--display); font-size: .82rem; letter-spacing: .14em;
  color: var(--ivory); margin: 0 0 .3rem;
}
body.lang-ja .doc .fig-t { font-family: var(--jp); letter-spacing: .06em; font-size: .9rem; }
.doc .fig-s {
  font-family: var(--serif); font-size: .85rem; font-weight: 300;
  color: var(--ivory-faint); margin: 0 0 1rem; line-height: 1.75;
}
body.lang-ja .doc .fig-s { font-family: var(--jp); font-size: .8rem; }
.doc .chart {
  background: var(--obsidian); border: 1px solid var(--glass-strong);
  padding: 1.1rem .9rem; overflow-x: auto;
}
.doc .chart svg { display: block; width: 100%; min-width: 19rem; height: auto; }
.doc .legend { display: flex; gap: 1.1rem; flex-wrap: wrap; margin: 0 0 .9rem; padding: 0 .35rem; }
.doc .legend span {
  display: flex; align-items: center; gap: .45rem;
  font-family: var(--serif); font-size: .82rem; color: var(--ivory-ghost);
}
body.lang-ja .doc .legend span { font-family: var(--jp); font-size: .78rem; }
.doc .legend i { width: 11px; height: 11px; border-radius: 2px; display: block; flex: none; }
.doc figcaption {
  font-family: var(--serif); font-size: .85rem; font-weight: 300;
  color: var(--ivory-faint); margin-top: .9rem; line-height: 1.8;
}
body.lang-ja .doc figcaption { font-family: var(--jp); font-size: .8rem; }

/* --- the closing lines ----------------------------------------------------- */
.doc .end { margin-top: 3.4rem; padding-top: 1.8rem; border-top: 1px solid var(--glass-strong); }
.doc .end p { color: var(--ivory); font-size: 1.08rem; margin-bottom: .85rem; }
body.lang-ja .doc .end p { font-size: .98rem; }
.doc .end p:last-child { color: var(--gold-bright); }

/* --- the dated footnote at the end of a document --------------------------- */
.doc .colophon { margin-top: 3.4rem; padding-top: 1.7rem; border-top: 1px solid var(--glass-strong); }
.doc .colophon p { font-size: .85rem; color: var(--ivory-faint); }
body.lang-ja .doc .colophon p { font-size: .8rem; }

/* --- the index of documents ------------------------------------------------ */
.doc-list { margin-top: 2.5rem; }
.doc-item {
  display: block; border: 1px solid var(--glass-strong); background: var(--panel);
  padding: 1.7rem 1.8rem; margin-bottom: 1.1rem; transition: border-color .25s, background .25s;
}
.doc-item:hover { border-color: var(--gold-deep); background: rgba(15,27,61,.5); }
@media (max-width: 620px) { .doc-item { padding: 1.35rem 1.15rem; } }
.doc-item .di-k {
  font-family: var(--display); font-size: .62rem; letter-spacing: .26em; color: var(--gold-deep);
}
body.lang-ja .doc-item .di-k { font-family: var(--jp); letter-spacing: .12em; font-size: .72rem; }
.doc-item .di-t {
  font-family: var(--display); font-size: 1.45rem; font-weight: 400; letter-spacing: .03em;
  color: var(--ivory); margin: .5rem 0 .1rem; line-height: 1.4;
}
body.lang-ja .doc-item .di-t { font-family: var(--jp); font-size: 1.2rem; letter-spacing: .06em; }
.doc-item .di-jp {
  font-family: var(--jp); font-size: .7rem; letter-spacing: .45em;
  color: var(--gold-deep); display: block; margin-bottom: 1rem;
}
.doc-item .di-b {
  font-family: var(--serif); font-size: .97rem; font-weight: 300;
  color: var(--ivory-ghost); line-height: 1.75; margin: 0;
}
body.lang-ja .doc-item .di-b { font-family: var(--jp); font-size: .88rem; line-height: 1.95; }
.doc-item .di-cta {
  font-family: var(--display); font-size: .66rem; letter-spacing: .22em;
  color: var(--gold); margin-top: 1.1rem;
}
body.lang-ja .doc-item .di-cta { font-family: var(--jp); letter-spacing: .1em; font-size: .74rem; }

/* --- the staged collapse of a number -------------------------------------- */
.doc .steps {
  display: grid; gap: 2px; margin: 1.8rem 0 1.3rem;
  background: var(--glass-strong); border: 1px solid var(--glass-strong);
}
.doc .step { background: var(--obsidian); padding: 1.2rem 1.35rem; min-width: 0; }
.doc .step .k {
  font-family: var(--display); font-size: .66rem; letter-spacing: .2em; color: var(--gold);
}
body.lang-ja .doc .step .k { font-family: var(--jp); letter-spacing: .1em; font-size: .74rem; }
.doc .step .v {
  font-family: var(--display); font-size: clamp(1.4rem, 6vw, 2.1rem); color: var(--ivory);
  font-variant-numeric: tabular-nums; margin: .3rem 0 0; letter-spacing: .02em; line-height: 1.15;
}
.doc .step .w { font-size: .88rem; margin: .5rem 0 0; }
body.lang-ja .doc .step .w { font-size: .83rem; }
.doc .step.last .v { color: var(--gold-bright); }

/* --- a quiet aside, left-ruled rather than boxed -------------------------- */
.doc .aside {
  border-left: 2px solid var(--gold-deep); padding: .25rem 0 .25rem 1.2rem; margin: 1.6rem 0;
}
.doc .aside p { font-size: .96rem; margin-bottom: .75rem; }
body.lang-ja .doc .aside p { font-size: .88rem; }
.doc .aside p:last-child { margin-bottom: 0; }

/* --- the disclosure under a chart ----------------------------------------- */
.doc details { margin-top: .9rem; }
.doc summary {
  cursor: pointer; font-family: var(--display); font-size: .7rem; letter-spacing: .16em;
  color: var(--gold);
}
body.lang-ja .doc summary { font-family: var(--jp); letter-spacing: .08em; font-size: .78rem; }
.doc summary:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 2px; }

/* --- a sub-heading inside a document -------------------------------------- */
.doc h3 {
  font-family: var(--display); font-size: .74rem; letter-spacing: .26em;
  color: var(--gold); font-weight: 400; margin: 2.4rem 0 .9rem;
}
body.lang-ja .doc h3 { font-family: var(--jp); letter-spacing: .14em; font-size: .86rem; }

/* --- the selection problem, as a before/after pair ------------------------ */
.doc .pair {
  display: grid; grid-template-columns: 1fr 2.2rem 1fr; gap: .5rem; align-items: stretch;
  margin: .7rem 0;
}
@media (max-width: 620px) {
  .doc .pair { grid-template-columns: 1fr; gap: .3rem; }
  .doc .pair .ar { transform: rotate(90deg); padding: .15rem 0; }
}
.doc .pair .a, .doc .pair .b {
  border: 1px solid var(--glass-strong); background: var(--obsidian);
  padding: .9rem 1rem; font-family: var(--serif); font-size: .88rem;
  color: var(--ivory-ghost); line-height: 1.55;
}
body.lang-ja .doc .pair .a, body.lang-ja .doc .pair .b { font-family: var(--jp); font-size: .82rem; }
.doc .pair .b { border-color: var(--gold-deep); }
.doc .pair .n {
  display: block; font-family: var(--display); font-size: 1.35rem;
  font-variant-numeric: tabular-nums; margin-bottom: .2rem; color: var(--ivory-faint);
}
.doc .pair .b .n { color: var(--gold-bright); }
.doc .pair .ar {
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-deep); font-size: 1.1rem;
}

/* --- a warning that is not a correction ----------------------------------- */
.doc .alert {
  border: 1px solid var(--gold-deep); background: rgba(201,169,97,.05);
  padding: 1.4rem 1.55rem; margin: 1.6rem 0;
}
@media (max-width: 620px) { .doc .alert { padding: 1.2rem 1.1rem; } }
.doc .alert .k {
  font-family: var(--display); font-size: .72rem; letter-spacing: .16em;
  color: var(--gold-bright); margin-bottom: .6rem; line-height: 1.5;
}
body.lang-ja .doc .alert .k { font-family: var(--jp); letter-spacing: .08em; font-size: .84rem; }
.doc .alert p { font-size: .96rem; }
body.lang-ja .doc .alert p { font-size: .88rem; }

/* --- the numbered rules ---------------------------------------------------- */
.doc .rulebox {
  border: 1px solid var(--gold-deep); padding: 1.6rem 1.8rem; margin: 1.8rem 0;
  background: linear-gradient(180deg, rgba(15,27,61,.55), rgba(10,12,31,.4));
}
@media (max-width: 620px) { .doc .rulebox { padding: 1.3rem 1.15rem; } }
.doc .rulebox .k {
  font-family: var(--display); font-size: .7rem; letter-spacing: .3em;
  color: var(--gold); margin-bottom: 1rem;
}
body.lang-ja .doc .rulebox .k { font-family: var(--jp); letter-spacing: .16em; font-size: .82rem; }
.doc .rulebox ol { margin: 0; padding-left: 1.3rem; }
.doc .rulebox li {
  font-family: var(--serif); font-size: 1rem; font-weight: 300; color: var(--ivory-ghost);
  line-height: 1.75; margin-bottom: .75rem;
}
body.lang-ja .doc .rulebox li { font-family: var(--jp); font-size: .9rem; line-height: 1.95; }
.doc .rulebox li:last-child { margin-bottom: 0; }
.doc .rulebox li::marker { color: var(--gold-deep); }
.doc td.d { font-size: .84rem; color: var(--ivory-faint); white-space: normal; }
body.lang-ja .doc td.d { font-size: .78rem; }