/* =====================================================================
   XIRAIYA — The Lab: control deck (see assets/js/lab/deck.js)
   Hero console, chapter sidebar, stage windows with focus mode, combo.
   ===================================================================== */

/* ---------- hero: copy on the left, a live console of chapters on the right ---------- */
.lh { padding-bottom: clamp(56px, 8vw, 110px); }
.lh .kanji-bg { right: auto; left: -4vw; top: 58%; opacity: .7; }
.lh-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.lh-copy { display: grid; gap: 22px; align-content: start; }
.lh-copy .display { font-size: clamp(64px, 11vw, 170px); }
.lh-ctas { display: flex; flex-wrap: wrap; gap: 12px; }

.lh-bar, .lw-bar { display: flex; align-items: center; gap: 12px; padding: 11px 16px; border-bottom: 1px solid var(--line); font: 500 12px/1 var(--font-mono); color: var(--ink-3); }
.lh-dots { display: inline-flex; gap: 6px; flex: none; }
.lh-dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); }
.lh-dots i:first-child { background: var(--red); }
.lh-live, .lw-title em {
  display: inline-flex; align-items: center; gap: 7px; font-style: normal; color: var(--lime);
  font: 600 10.5px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase;
}
.lh-live::before, .lw-title em::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--lime); animation: ping 2s infinite; }
  flex: 1;
  position: relative; display: grid; grid-template-columns: 36px minmax(0, 1fr); grid-template-rows: auto auto; column-gap: 12px; row-gap: 3px;
  align-items: center; min-height: 78px; padding: 14px 16px; background: var(--surface); overflow: hidden;
  transition: background .3s;
}
  content: ''; position: absolute; left: 0; right: 0; top: -40%; height: 40%; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(196, 50, 29, .1), transparent); transform: translateY(0); opacity: 0;
}
.lh-keys { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 0; padding: 11px 16px; border-top: 1px solid var(--line); font-size: 12px; color: var(--ink-3); }
.lh-keys span { opacity: .5; }
.lh-keys kbd, .ls-acts kbd {
  display: inline-grid; place-items: center; min-width: 22px; height: 20px; padding: 0 5px; border-radius: 5px;
  font: 600 10.5px/1 var(--font-mono); color: var(--ink-2); border: 1px solid var(--line-2); border-bottom-width: 2px; background: var(--surface);
}

/* contents page: the eleven chapters set like a book index */
.lx-tally { margin: 0; font: 600 19px/1.45 var(--font-display); color: var(--ink); }
.lx-tally span { display: block; margin-top: 4px; font: 500 12.5px/1.5 var(--font-mono); color: var(--ink-3); }
.lx-tally b { color: var(--red); }
.lx-toc { position: relative; padding: 26px 30px 16px 76px; border: 1px solid var(--line-2); border-radius: 3px; background: var(--surface); box-shadow: var(--shadow-lg); }
.lx-toc::before { content: ''; position: absolute; top: 0; bottom: 0; left: 56px; width: 1px; background: rgba(196, 50, 29, .38); }
.lx-toc::after { content: ''; position: absolute; top: 0; bottom: 0; left: 20px; width: 14px; background: radial-gradient(circle at 7px 7px, var(--bg) 5px, transparent 5.5px) 0 40px / 14px 88px repeat-y; opacity: .9; }
.lx-toc-h { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-bottom: 12px; margin-bottom: 4px; border-bottom: 2px solid var(--ink); }
.lx-toc-h b { font: 800 30px/1 var(--font-display); letter-spacing: -.01em; }
.lx-toc-h span { font: 500 11px/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.lx-toc ol { display: grid; }
.lx-toc a { display: grid; grid-template-columns: 30px auto minmax(12px, 1fr) auto 22px; align-items: start; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
.lx-toc .n { padding-top: 3px; font: 500 12px/1 var(--font-mono); color: var(--ink-3); }
.lx-toc .t { font: 700 16.5px/1.2 var(--font-display); transition: color .25s; }
.lx-toc .t small { display: block; margin-top: 3px; font: 400 12.5px/1.35 var(--font-body); color: var(--ink-3); }
.lx-toc .ld { margin-top: 13px; border-bottom: 1.5px dotted var(--line-2); }
.lx-toc .p { min-width: 76px; text-align: right; padding-top: 3px; font: 500 12px/1 var(--font-mono); color: var(--ink-3); white-space: nowrap; }
.lx-toc .p b { font-weight: 600; color: var(--ink); }
.lx-toc .tick { width: 22px; height: 22px; fill: none; stroke: var(--red); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 30; stroke-dashoffset: 30; transition: stroke-dashoffset .7s var(--ease-out); }
.lx-toc a.is-done .tick { stroke-dashoffset: 0; }
.lx-toc a:hover .t, .lx-toc a:focus-visible .t { color: var(--red); }
.lx-toc a:hover .n { color: var(--red); }
.lx-toc .appx a { grid-template-columns: 30px auto minmax(12px, 1fr) auto; border-bottom: 0; }
.lx-toc .appx .n { font-weight: 700; color: var(--red); }
.lx-toc .lh-keys { padding: 12px 0 0; border-top: 0; }
@media (max-width: 760px) {
  .lx-toc { padding: 20px 16px 12px 44px; }
  .lx-toc::before { left: 32px; }
  .lx-toc::after { left: 8px; }
  .lx-toc a { grid-template-columns: 24px minmax(0, 1fr) auto 18px; gap: 8px; }
  .lx-toc .appx a { grid-template-columns: 24px minmax(0, 1fr) auto; }
  .lx-toc .ld { display: none; }
  .lx-toc .tick { width: 18px; height: 18px; }
  .lx-toc-h b { font-size: 24px; }
  .lx-toc .lh-keys { display: none; }
}

/* ---------- shell: sidebar + chapters on wide screens ---------- */
.lab-shell { position: relative; }
.lab-side { display: none; }
@media (min-width: 1180px) {
  .lab-nav { display: none; }
  .lab-shell { display: grid; grid-template-columns: 248px minmax(0, 1fr); gap: 0; max-width: 1760px; margin-inline: auto; padding-left: var(--gutter); }
  .lab-side {
    display: grid; gap: 14px; align-content: start; position: sticky; top: calc(var(--header-h) + 18px);
    max-height: calc(100vh - var(--header-h) - 36px); overflow-y: auto; margin-block: 28px; padding: 16px;
    border-radius: 20px; border: 1px solid var(--line); background: rgba(var(--bg-rgb), .85);
    -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); scrollbar-width: thin; z-index: 5;
    transition: top .6s var(--ease-out);
  }
  body:has(.site-header.is-hidden) .lab-side { top: 18px; }
  .lab-main { min-width: 0; }
  .lab-main .lab-sec:first-child { border-top: 0; }
}
.ls-head { display: flex; align-items: center; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.ls-head b { display: block; font-size: 14px; }
.ls-head small { font-size: 12px; color: var(--ink-3); }
.ls-ring { position: relative; flex: none; width: 44px; height: 44px; display: grid; place-items: center; }
.ls-ring svg { position: absolute; inset: 0; transform: rotate(-90deg); }
.ls-ring circle { fill: none; stroke: var(--line-2); stroke-width: 3.5; }
.ls-ring .ls-arc { stroke: var(--red); stroke-linecap: round; stroke-dasharray: calc(var(--p, 0) * 100) 100; transition: stroke-dasharray .8s var(--ease-out); }
.ls-ring b { font: 700 13px/1 var(--font-mono); }
.ls-list { display: grid; gap: 2px; }
.ls-list a {
  position: relative; display: grid; grid-template-columns: 22px 1fr 16px; align-items: center; gap: 9px;
  height: 38px; padding: 0 10px; border-radius: 10px; font-size: 13.5px; color: var(--ink-2); transition: background .25s, color .25s;
}
.ls-list a:hover { background: rgba(var(--fx), .05); color: var(--ink); }
.ls-list a.is-on { background: var(--red); color: var(--on-red); }
.ls-list a.is-on .ls-n, .ls-list a.is-on .ic { color: var(--on-red); }
.ls-n { font: 500 10.5px/1 var(--font-mono); color: var(--ink-3); }
.ls-list .ic { font-size: 16px; color: var(--ink-3); }
.ls-name { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.ls-ok { display: grid; place-items: center; width: 16px; height: 16px; border-radius: 50%; border: 1px solid var(--line-2); color: transparent; }
.ls-ok .ic { font-size: 10px; stroke-width: 3; }
.ls-list a.is-done .ls-ok { background: var(--lime); border-color: var(--lime); color: #1b2410; }
.ls-acts { display: grid; gap: 6px; padding-top: 12px; border-top: 1px solid var(--line); }
.ls-acts button { display: flex; align-items: center; gap: 9px; height: 36px; padding: 0 10px; border-radius: 10px; font-size: 13px; color: var(--ink-2); border: 1px solid var(--line); transition: border-color .25s, color .25s; }
.ls-acts button:hover { color: var(--ink); border-color: var(--line-2); }
.ls-acts button span { flex: 1; text-align: left; }

/* ---------- stage windows ---------- */
.lab-win { position: relative; min-width: 0; }
.lw-bar { margin-bottom: 12px; padding: 0 2px 10px; border-bottom: 1px dashed var(--line-2); }
.lw-title { display: inline-flex; align-items: center; gap: 8px; flex: 1; min-width: 0; font: 600 12.5px/1 var(--font-body); color: var(--ink-2); }
.lw-title .ic { font-size: 15px; color: var(--red); }
.lw-done { display: none; align-items: center; gap: 5px; height: 24px; padding: 0 9px; border-radius: 999px; font: 600 11px/1 var(--font-body); color: #1b2410; background: var(--lime); }
.lw-done .ic { font-size: 12px; stroke-width: 3; }
.lab-win.is-done .lw-done { display: inline-flex; }
.lw-btn { display: inline-flex; align-items: center; gap: 7px; height: 30px; padding: 0 11px; border-radius: 9px; font: 600 12px/1 var(--font-body); color: var(--ink-2); border: 1px solid var(--line-2); transition: color .25s, border-color .25s, background .25s; }
.lw-btn:hover { color: var(--ink); border-color: var(--ink); }
.lw-close { display: none; }

/* focus mode: the demo takes the whole screen */
.lw-backdrop { position: fixed; inset: 0; z-index: 155; background: rgba(var(--bg-rgb), .82); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); animation: lwFade .3s ease; }
@keyframes lwFade { from { opacity: 0; } }
.lab-win.is-focus {
  position: fixed; z-index: 160; inset: max(14px, env(safe-area-inset-top, 0px)) 14px max(14px, env(safe-area-inset-bottom, 0px));
  display: flex; flex-direction: column; padding: 16px; overflow: auto; overscroll-behavior: contain;
  border-radius: 20px; background: var(--bg); border: 1px solid var(--line-2); box-shadow: var(--shadow-lg);
  animation: lwIn .45s var(--ease-out);
}
@keyframes lwIn { from { opacity: 0; transform: scale(.97); } }
.lab-win.is-focus > .lab-stage { width: 100%; max-width: 1180px; margin: auto; }
.lab-win.is-focus .lw-focus { display: none; }
.lab-win.is-focus .lw-close { display: inline-flex; }
.lab-focusing, .lab-focusing body { overflow: hidden; }

/* ---------- build your combo ---------- */
.combo { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: clamp(18px, 3vw, 32px); align-items: start; }
.combo-picks { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.cp {
  position: relative; display: grid; grid-template-columns: 36px minmax(0, 1fr) 22px; align-items: center; gap: 12px;
  padding: 14px; border-radius: 14px; text-align: left; border: 1px solid var(--line); background: var(--surface);
  transition: border-color .25s, background .25s, transform .4s var(--ease-out);
}
.cp:hover { border-color: var(--line-2); transform: translateY(-2px); }
.cp > .ic { max-width: none; width: 36px; height: 36px; padding: 8px; border-radius: 10px; color: var(--red); background: rgba(196, 50, 29, .08); }
.cp b { display: block; font-size: 14px; line-height: 1.25; }
.cp small { font-size: 12px; color: var(--ink-3); }
.cp i { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--line-2); color: transparent; }
.cp i .ic { font-size: 12px; stroke-width: 3; }
.cp[aria-pressed="true"] { border-color: var(--red); background: rgba(196, 50, 29, .06); }
.cp[aria-pressed="true"] i { background: var(--red); border-color: var(--red); color: var(--on-red); }
.combo-sum {
  position: sticky; top: calc(var(--header-h) + 18px); display: grid; gap: 10px; padding: 22px;
  border-radius: 20px; border: 1px solid var(--line-2); background: var(--surface); box-shadow: var(--shadow);
}
.combo-sum > small { font: 500 11px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.combo-total { font: 800 44px/1 var(--font-display); font-variant-numeric: tabular-nums; }
.combo-meta { font-size: 13.5px; color: var(--ink-2); }
.combo-list { display: grid; gap: 6px; margin: 4px 0; padding: 10px 0; border-block: 1px solid var(--line); }
.combo-list:empty { display: none; }
.combo-list li { display: flex; justify-content: space-between; gap: 12px; font-size: 13.5px; color: var(--ink-2); }
.combo-list b { font-variant-numeric: tabular-nums; color: var(--ink); }
.combo-sum .btn { width: 100%; }
.combo-sum.is-empty .combo-go { opacity: .55; }

/* ---------- smaller screens ---------- */
@media (max-width: 1100px) {
  .lh-grid { grid-template-columns: minmax(0, 1fr); }
  .combo { grid-template-columns: minmax(0, 1fr); }
  .combo-sum { position: static; }
}
@media (max-width: 760px) {
        .lab-grid > .lab-win { order: 4; margin-block: 6px; }
  .lw-bar { flex-wrap: wrap; }
  .lw-title em { display: none; }
  .combo-picks { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
    .lab-win.is-focus, .lw-backdrop { animation: none; }
}

/* ---------- chapter dress: running header, spec rows, receipt, margin note ---------- */
.lab-sec { --ac: var(--red); overflow-x: clip; }
.lab-sec .lab-num { gap: 12px; }
.lab-sec .lab-num::after { content: ''; flex: 1; min-width: 20px; height: 1px; background: var(--line-2); }
.lab-sec .lab-num .hanko { background: var(--ac); box-shadow: inset 0 0 0 2px var(--ac), inset 0 0 0 3.5px rgba(251, 241, 220, .75); }
.lab-info { position: relative; }
.lab-info .h2 { text-wrap: balance; }
.lab-info .h2 em { font-style: normal; background: linear-gradient(transparent 64%, color-mix(in srgb, var(--ac) 26%, transparent) 64%, color-mix(in srgb, var(--ac) 26%, transparent) 92%, transparent 92%); padding: 0 .06em; }
.lab-sec .lab-feats { counter-reset: f; gap: 0; border-top: 1px solid var(--line-2); }
.lab-sec .lab-feats li { counter-increment: f; display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: 0; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; line-height: 1.45; color: var(--ink-2); }
.lab-sec .lab-feats li::before { content: counter(f, decimal-leading-zero); font: 500 11px/2 var(--font-mono); color: var(--ac); }
.lab-sec .lab-feats .ic { display: none; }
.lab-sec .lab-feats.cols { grid-template-columns: 1fr 1fr; column-gap: 24px; }
.lab-info .chips { gap: 0; font: 500 12.5px/1.6 var(--font-mono); color: var(--ink-3); }
.lab-info .chips .chip { all: unset; font: inherit; color: inherit; }
.lab-info .chips .chip + .chip::before { content: '/'; margin: 0 9px; opacity: .45; }
.lab-sec .lab-price { display: grid; gap: 8px; width: 100%; max-width: 380px; padding: 14px 0 0; border: 0; border-top: 2px solid var(--ink); border-radius: 0; background: none; box-shadow: none; overflow: visible; }
.lab-sec .lab-price > div { display: flex; align-items: baseline; gap: 10px; padding: 0; }
.lab-sec .lab-price > div::before { content: ''; order: 2; flex: 1; border-bottom: 1.5px dotted var(--line-2); transform: translateY(-4px); }
.lab-sec .lab-price small { order: 1; margin: 0; color: var(--ink-3); }
.lab-sec .lab-price b { order: 3; color: var(--ink); font: 800 22px/1 var(--font-display); }
.lab-sec .lab-ctas .btn-primary, .lab-sec .lab-row .btn-primary { background: var(--ac); box-shadow: none; }
.lw-title .ic { color: var(--ac); }
.lab-note { display: flex; align-items: flex-start; gap: 10px; max-width: 560px; margin: 18px 0 0 8px; font: 600 15px/1.5 var(--font-display); color: var(--ink-2); }
.lab-note b { color: var(--ac); font-weight: 800; }
.lab-note .arr { flex: none; width: 44px; height: 34px; margin-top: -10px; fill: none; stroke: var(--ac); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.lab-win.is-focus .lab-note { justify-content: center; margin-inline: auto; }
.lab-sec.is-tried-pulse .lw-done { animation: triedPop .6s var(--ease-spring); }
@keyframes triedPop { 50% { transform: scale(1.25); } }
.ls-list .ls-name { font-weight: 500; }
.ls-list a.is-on { background: none; color: var(--ink); }
.ls-list a.is-on .ls-name { font-weight: 700; }
.ls-list a.is-on .ls-n { color: var(--red); }
.ls-list a.is-on::before { content: ''; position: absolute; left: 0; top: 9px; bottom: 9px; width: 3px; border-radius: 2px; background: var(--red); }
@media (min-width: 1180px) { .lab-side { border-radius: 4px; } }
.lab-info .h2 { font-size: clamp(30px, 3.3vw, 50px); }
@media (max-width: 760px) {
  .lab-sec .lab-feats.cols { grid-template-columns: minmax(0, 1fr); }
  .lab-note { font-size: 14px; }
}

/* price tiers under each chapter's price */
.lab-tiers { display: grid; gap: 6px; width: 100%; max-width: 380px; margin-top: -8px; }
.lab-tiers li { display: flex; align-items: baseline; gap: 8px; font-size: 13.5px; color: var(--ink-2); }
.lab-tiers li i { flex: 1; border-bottom: 1.5px dotted var(--line-2); transform: translateY(-3px); min-width: 10px; }
.lab-tiers li b { color: var(--ac); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* gold chapters (extension, wish wall): white on gold is ~3:1,
   so their CTA label switches to sumi ink (~5.5:1) */
:is(#extension, #wishes).lab-sec :is(.lab-ctas, .lab-row) .btn-primary { color: #1d1208; }

/* phones: keep price, tiers and buttons together, in that order.
   (phone.css orders .lab-price / .lab-row but not the tiers deck.js adds) */
@media (max-width: 760px) {
  body[data-page="lab"] .lab-grid .lab-info > .lab-tiers { order: 5; margin-top: -4px; }
  body[data-page="lab"] .lab-grid .lab-row > .lab-price,
  body[data-page="lab"] .lab-grid .lab-row > .lab-tiers { order: 0; }
  body[data-page="lab"] .lab-row > .lab-tiers { flex-basis: 100%; }
  /* 44px tap targets (phone.css stops at 40px) */
  body[data-page="lab"] .wg-f button,
  body[data-page="lab"] .lab-nav-inner a { min-height: 44px; height: auto; }
  body[data-page="lab"] .lw-btn { height: 44px; }
  body[data-page="lab"] .wg-sb { height: 48px; }
  body[data-page="lab"] .lh-ctas .btn { flex: 1 1 100%; justify-content: center; }
}