.in-action{--tabs-h: 50px;--success-soft: rgba(54, 88, 73, .07);max-width:1180px;margin:0 auto;padding:56px 28px 96px;font-family:var(--font-sans);font-size:16px;line-height:1.55;color:var(--ink)}.in-action p{max-width:none}.in-action .label{font-family:var(--font-sans);font-size:12px;line-height:1.5;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-quiet);font-weight:500;margin:0 0 8px}.in-action header.intro{display:grid;grid-template-columns:minmax(0,720px) minmax(240px,1fr);gap:24px 64px;align-items:end;margin-bottom:36px}.in-action header.intro h1{font-size:54px;line-height:1.04;letter-spacing:-.02em;margin:6px 0 18px;color:var(--ink-strong);text-wrap:balance}.in-action header.intro h1 em{font-style:italic}.in-action header.intro p{margin:0 0 10px;color:var(--ink-muted);max-width:64ch}.in-action header.intro p.rule{color:var(--ink-strong);font-family:var(--font-serif);font-size:22px;line-height:1.3;font-style:italic;margin-top:16px}.in-action header.intro .howto{border-left:1px solid var(--border);padding-left:20px;font-size:14px;color:var(--ink-muted)}.in-action header.intro .howto p{margin:0 0 10px;max-width:40ch}.in-action header.intro .howto b{color:var(--ink);font-weight:500}.in-action .scenes{position:sticky;top:0;z-index:5;background:var(--bg);border-top:1px solid var(--border);border-bottom:1px solid var(--border);display:flex;overflow-x:auto;overflow-y:hidden;height:var(--tabs-h);box-sizing:border-box;scrollbar-width:none}.in-action .scenes::-webkit-scrollbar{display:none}.in-action .scenes button{appearance:none;background:none;border:0;border-bottom:2px solid transparent;height:100%;box-sizing:border-box;padding:0 18px;font:inherit;font-size:14px;font-weight:500;color:var(--ink-quiet);cursor:pointer;white-space:nowrap;display:flex;gap:10px;align-items:center;transition:color .16s var(--ease-out)}.in-action .scenes button .n{font-family:var(--font-mono);font-size:11px;font-variant-numeric:tabular-nums}.in-action .scenes button:hover{color:var(--ink)}.in-action .scenes button[aria-selected=true]{color:var(--ink-strong);border-bottom-color:var(--ink-strong)}.in-action .scenes button:focus-visible{outline:2px solid var(--ink-strong);outline-offset:-2px}.in-action .scene{display:none}.in-action .scene[data-active=true]{display:block;animation:in-action-scene-in .32s var(--ease-out)}@keyframes in-action-scene-in{0%{opacity:.5}to{opacity:1}}.in-action .scene-head{max-width:760px;padding:36px 0 12px}.in-action .scene-head h2{font-size:34px;line-height:1.15;letter-spacing:-.012em;margin:0 0 12px;color:var(--ink-strong);text-wrap:balance}.in-action .scene-head p{margin:0 0 8px;color:var(--ink-muted);max-width:66ch}.in-action .scene-head p.raw{font-size:13px;color:var(--ink-quiet);margin-top:10px}.in-action .scene-head p.raw a{color:inherit;text-decoration:underline;text-decoration-color:var(--border);text-underline-offset:3px}.in-action .beat{display:grid;grid-template-columns:minmax(240px,320px) minmax(0,1fr);gap:0 56px;padding:36px 0 44px;border-top:1px solid var(--border-soft)}.in-action .beat:last-child{border-bottom:1px solid var(--border-soft)}.in-action .story{position:sticky;top:calc(var(--tabs-h) + 28px);align-self:start}.in-action .story .step{margin:0 0 14px;display:flex;align-items:center;gap:12px}.in-action .story .step .n{font-family:var(--font-mono);font-size:12px;color:var(--ink-quiet);font-variant-numeric:tabular-nums}.in-action .story .step:after{content:"";flex:1;height:1px;background:var(--border);transform-origin:left;transform:scaleX(.18);transition:transform .9s var(--ease-out)}.in-action .beat.seen .story .step:after{transform:scaleX(1)}.in-action .beat.confirm .story .step:after{background:var(--success)}.in-action .story h3{font-style:italic;font-size:25px;line-height:1.25;letter-spacing:-.01em;margin:0 0 14px;color:var(--ink-strong);text-wrap:balance}.in-action .story .what{margin:0 0 14px;color:var(--ink);font-size:15.5px}.in-action .story .why{margin:0;color:var(--ink-muted);font-size:14.5px}.in-action .story .why .lbl{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-quiet);font-weight:600;margin-bottom:4px}.in-action .beat.confirm .story .why .lbl{color:var(--success)}.in-action .record{min-width:0;display:flex;flex-direction:column;gap:12px}.in-action .block{border:1px solid var(--code-border);background:var(--code-bg)}.in-action .block .bar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:7px 12px;border-bottom:1px solid var(--code-border);background:var(--bg-elevated)}.in-action .block .bar .left{display:flex;gap:10px;align-items:baseline;min-width:0}.in-action .block .bar .right{display:flex;gap:12px;align-items:center;white-space:nowrap}.in-action .block .bar .kind{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-quiet);font-weight:600}.in-action .block .bar .tool{font-family:var(--font-mono);font-size:12.5px;color:var(--ink-strong);font-weight:500}.in-action .block .bar .meta{font-family:var(--font-mono);font-size:11px;color:var(--ink-quiet)}.in-action .block .bar .expand{appearance:none;background:none;border:1px solid var(--border);color:var(--ink-muted);font:inherit;font-size:11px;padding:2px 8px;cursor:pointer}.in-action .block .bar .expand:hover{color:var(--ink-strong);border-color:var(--ink-strong)}.in-action .block pre{margin:0;padding:12px 14px;border:0;border-radius:0;background:transparent;overflow-x:auto;max-width:none;font-family:var(--font-mono);font-size:12.25px;line-height:1.5;color:var(--ink);white-space:pre-wrap;word-break:break-word;font-feature-settings:"liga" off,"calt" off}.in-action .block pre .k{color:var(--ink-quiet)}.in-action .block pre mark{background:none;color:var(--ink-strong);font-weight:600;box-shadow:inset 0 -1px 0 var(--ink-strong)}.in-action .block pre .fold[hidden]{display:none}.in-action .block pre .fold-mark{display:block;width:100%;appearance:none;background:none;border:0;border-top:1px dashed var(--code-border);border-bottom:1px dashed var(--code-border);color:var(--ink-quiet);font:inherit;font-size:11px;padding:4px 0;margin:6px 0;cursor:pointer;text-align:center;letter-spacing:.04em}.in-action .block pre .fold-mark:hover{color:var(--ink-strong)}.in-action .block.open pre .fold-mark{display:none}.in-action .block.open pre .fold{display:inline}.in-action .block.refused{border-color:var(--error)}.in-action .block.refused .bar .kind{color:var(--error)}.in-action .block.refused pre mark{color:var(--error);box-shadow:inset 0 -1px 0 var(--error)}.in-action .block.confirm{border-color:var(--success);background:var(--success-soft)}.in-action .block.confirm .bar{background:transparent;border-bottom-color:#3658494d}.in-action .block.confirm .bar .kind{color:var(--success)}.in-action .block.confirm pre mark{color:var(--success);box-shadow:inset 0 -1px 0 var(--success)}.in-action .receipt{display:flex;flex-wrap:wrap;gap:4px 16px;font-family:var(--font-mono);font-size:11px;color:var(--ink-quiet);margin:-2px 0 4px}.in-action .receipt span b{color:var(--ink-muted);font-weight:500}@media(prefers-reduced-motion:no-preference){.js .in-action .beat:not(.seen) .story>*,.js .in-action .beat:not(.seen) .record>*{opacity:0;transform:translateY(10px)}.js .in-action .beat.seen .story>*,.js .in-action .beat.seen .record>*{opacity:1;transform:none;transition:opacity .52s var(--ease-out),transform .62s var(--ease-out)}.js .in-action .beat.seen .story h3{transition-delay:0ms}.js .in-action .beat.seen .story .what{transition-delay:.12s}.js .in-action .beat.seen .story .why{transition-delay:.24s}.js .in-action .beat.seen .record>:nth-child(1){transition-delay:.16s}.js .in-action .beat.seen .record>:nth-child(2){transition-delay:.28s}.js .in-action .beat.seen .record>:nth-child(3){transition-delay:.4s}.js .in-action .beat.seen .record>:nth-child(4){transition-delay:.5s}.js .in-action .beat.seen .record>:nth-child(5){transition-delay:.6s}.js .in-action .beat.seen .record>:nth-child(6){transition-delay:.7s}.js .in-action .beat.seen .record>:nth-child(n+7){transition-delay:.8s}}.in-action footer.coda{margin-top:56px;padding-top:24px;border-top:1px solid var(--border);max-width:720px}.in-action footer.coda p{color:var(--ink-muted);margin:0 0 10px}.in-action footer.coda p strong{color:var(--ink);font-weight:500}@media(max-width:900px){.in-action header.intro{grid-template-columns:1fr}.in-action header.intro .howto{border-left:0;padding-left:0;border-top:1px solid var(--border);padding-top:14px}.in-action header.intro h1{font-size:40px}.in-action .beat{grid-template-columns:1fr;gap:18px;padding:28px 0 32px}.in-action .story{position:static}.in-action .story h3{font-size:22px}.in-action .scene-head h2{font-size:28px}.in-action .block .bar .meta{display:none}}