/* ==========================================================================
   pages-usecases.css · use-case pages (owner: usecase-pages agent)
   use-cases.html (index) · meetings · email · scheduling · research · files · everyday-tasks
   Every rule is nested under the page body classes below. Builds on the shared template in
   css/pages.css (.pg-*). Own components use the .ucp- prefix. Tokens from base.css.
   NO green / teal. Montserrat via the font variables only. No eyebrows above headings.

   RUN       [data-ucp-run]  task steps (.ucp-steps, buttons) synced to a scene on the right
   SCENE     [data-ucp-scene="ms,ms,…"]  stepped illustration (js/pages-usecases.js). Children use
             the template attributes: data-on, data-set, data-run, data-type, data-press, plus
             [data-ucp-state] (status labels, child shown by data-from).
   ASK BAR   .ucp-askbar  hero prompt (typed once, decorative)
   NOTE      .ucp-note    permission / context note
   CARDS     .ucp-cards   index cards with mini scenes (.ucp-mini)
   ========================================================================== */

body:is(.page-use-cases,.page-meetings,.page-email,.page-scheduling,.page-research,.page-files,.page-everyday-tasks){
  --ucp-card:#151515;
  --ucp-row:#1f1e1d;
  --ucp-hair:#2a2826;

  /* ---------------------------------------------------------------- hero */
  .ucp-hero{padding-bottom:120px}
  .ucp-title--long{font-size:clamp(46px,5.6vw,84px)}
  .ucp-askbar{position:relative;display:flex;align-items:center;gap:16px;width:100%;max-width:980px;min-height:78px;margin-top:104px;padding:12px 12px 12px 20px;
    border:1px solid #2e2c2a;border-radius:18px;background:linear-gradient(180deg,#151515,#0d0d0d);
    box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 40px 80px -40px rgba(0,0,0,.9),0 0 0 1px rgba(0,0,0,.6)}
  .ucp-askbar::before{content:"";position:absolute;inset:-1px;border-radius:inherit;pointer-events:none;padding:1px;
    background:linear-gradient(100deg,rgba(255,143,90,.55),rgba(255,143,90,0) 38%);
    -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
  .ucp-askbar__mark{flex:none;width:28px;height:28px;border-radius:8px}
  .ucp-askbar__txt{flex:1;min-width:0;font-size:20px;font-weight:500;line-height:1.35;letter-spacing:-.01em;color:var(--fg)}
  .ucp-askbar__ill{flex:none;margin-left:0}
  .ucp-askbar__key{flex:none;display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 18px 0 8px;border-radius:12px;background:var(--accent);color:var(--accent-ink);
    font:600 12px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.06em;transition:scale .35s var(--pg-spring),background-color .3s}
  .ucp-askbar__key.is-press{scale:.93;background:var(--accent-hover)}
  .ucp-askbar__mic{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:rgba(43,17,5,.14)}
  .ucp-askbar__mic svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}

  /* typed text: an invisible full copy reserves the space, so nothing shifts while typing */
  .ucp-type{display:inline-grid;vertical-align:top;max-width:100%}
  .ucp-type > *{grid-area:1/1;min-width:0}
  .ucp-type__ghost{visibility:hidden}
  .ucp-type__live.is-typing::after{content:"";display:inline-block;width:2px;height:1.05em;margin-left:2px;vertical-align:-.15em;background:var(--accent);animation:pg-blink 1s steps(1) infinite}

  /* ---------------------------------------------------------------- work section */
  .ucp-work{scroll-margin-top:var(--header-h)}
  .ucp-scen{max-width:1120px;margin-bottom:96px;font-size:clamp(30px,3.5vw,52px);font-weight:700;line-height:1.08;letter-spacing:-.032em;color:var(--taupe);text-wrap:balance}
  .ucp-scen__a,.ucp-scen__b{display:block}
  .ucp-scen__b{color:var(--fg)}
  .ucp-scen .dot{color:var(--accent)}

  .ucp-run{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(40px,6.4vw,104px);align-items:center}
  .ucp-side{min-width:0}
  .ucp-main{min-width:0}

  /* steps */
  .ucp-steps{border-top:1px solid var(--pg-line)}
  .ucp-step{position:relative}
  .ucp-step__btn{position:relative;display:grid;grid-template-columns:36px minmax(0,1fr);column-gap:20px;align-items:start;width:100%;padding:26px 0 28px;
    border-bottom:1px solid var(--pg-line);text-align:left;color:var(--taupe);transition:color .4s var(--ease)}
  .ucp-step__btn:hover{color:var(--fg)}
  .ucp-step__btn:focus-visible{outline-offset:-2px}
  .ucp-step__n{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;border:1px solid #3a3734;background:#1c1b1a;
    font:600 12px/1 var(--font-mono);color:var(--taupe);transition:background-color .45s var(--pg-out),border-color .45s,color .45s,scale .5s var(--pg-spring)}
  .ucp-step__t{padding-top:6px;font-size:clamp(18px,1.45vw,21px);font-weight:600;line-height:1.35;letter-spacing:-.012em}
  .ucp-step.is-cur .ucp-step__btn{color:var(--fg)}
  .ucp-step.is-cur .ucp-step__n{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);scale:1.04}
  .ucp-step.is-past .ucp-step__n{border-color:rgba(255,210,138,.38);color:var(--ok)}
  .ucp-step__bar{position:absolute;left:0;right:0;bottom:-1px;height:2px;overflow:hidden;pointer-events:none}
  .ucp-step__bar i{display:block;height:100%;background:var(--accent);transform:scaleX(0);transform-origin:0 50%}
  .ucp-step.is-cur .ucp-step__bar i{transform:scaleX(1)}
  .ucp-run.is-auto .ucp-step.is-cur .ucp-step__bar i{transform:scaleX(0);animation:ucp-fill var(--ucp-dur,4s) linear forwards}
  .ucp-run.is-paused .ucp-step.is-cur .ucp-step__bar i{animation-play-state:paused}

  .ucp-side__foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:28px}
  .ucp-side__hint{font-size:13px;line-height:1.4;color:var(--muted)}
  .ucp-ctrl{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 12px;border:1px solid var(--pg-line);border-radius:999px;
    font:600 11px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--taupe);transition:color .2s,border-color .2s}
  .ucp-ctrl:hover{color:var(--fg);border-color:#4a4642}
  .ucp-ctrl[hidden]{display:none}
  .ucp-ctrl svg{width:10px;height:10px}
  .ucp-ctrl .i-play{display:none}
  .ucp-ctrl[aria-pressed="true"] .i-play{display:block}
  .ucp-ctrl[aria-pressed="true"] .i-pause{display:none}

  /* example-request tabs (everyday tasks) */
  .ucp-reqs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
  .ucp-req{display:inline-flex;align-items:center;min-height:40px;padding:9px 16px;border:1px solid var(--pg-line);border-radius:999px;background:transparent;
    font-size:14px;font-weight:500;line-height:1.3;text-align:left;color:var(--taupe);transition:color .3s var(--ease),border-color .3s,background-color .35s var(--ease)}
  .ucp-req:hover{color:var(--fg);border-color:#4a4642}
  .ucp-req[aria-selected="true"]{background:var(--cream);border-color:var(--cream);color:var(--ink)}
  .ucp-req:focus-visible{outline-offset:2px}

  /* stage + frame */
  .ucp-stage{min-height:620px;padding:64px 48px}
  .ucp-frame{max-width:560px}
  .ucp-frame .pg-frame__bar .ucp-state{margin-left:auto}
  .ucp-frame .pg-frame__body > * + *{margin-top:16px}
  .ucp-frame.is-reset .pg-frame__body,.ucp-mini.is-reset .ucp-mini__card > *{opacity:0}
  .ucp-frame .pg-frame__body,.ucp-mini__card > *{transition:opacity .45s var(--pg-out)}
  .ucp-stack{display:grid;grid-template-columns:minmax(0,1fr);width:100%;justify-items:center}
  .ucp-tp{grid-area:1/1;display:grid;place-items:center;width:100%;min-width:0;visibility:hidden;opacity:0;translate:0 10px;
    transition:opacity .45s var(--pg-out),translate .6s var(--pg-out),visibility 0s linear .45s}
  .ucp-tp.is-cur{visibility:visible;opacity:1;translate:0 0;transition:opacity .5s var(--pg-out) .08s,translate .7s var(--pg-out) .08s,visibility 0s}
  .ucp-tp:focus-visible{outline-offset:6px;border-radius:14px}

  /* status label stack */
  .ucp-state{display:inline-grid;justify-items:end}
  .ucp-state > *{grid-area:1/1;opacity:0;translate:0 3px;transition:opacity .3s var(--ease),translate .4s var(--pg-out)}
  .ucp-state > .is-cur{opacity:1;translate:0 0}

  /* request bubble */
  .ucp-msg{display:flex;flex-direction:column;align-items:flex-end}
  .ucp-msg .pg-k{margin-bottom:7px}
  .ucp-msg__txt{max-width:88%;min-height:42px;padding:11px 14px;border-radius:14px 14px 4px 14px;background:var(--surface-2);font-size:14px;line-height:1.45;color:var(--fg)}
  .ucp-msg__chips{justify-content:flex-end;margin-top:8px}

  /* teammate reply with progress */
  .ucp-reply{display:flex;align-items:flex-start;gap:10px}
  .ucp-reply__av{flex:none;width:22px;height:22px;border-radius:6px}
  .ucp-prog{flex:1;min-width:0;gap:8px;padding-top:2px;font-size:13px}

  /* result card */
  .ucp-result{transition:border-color .6s var(--pg-out),opacity .45s var(--pg-out),translate .55s var(--pg-out)}
  .ucp-result.is-set{border-color:rgba(255,210,138,.3)}
  .ucp-result .pg-result__head + .pg-result__rows{margin-top:10px}
  .ucp-result > .pg-result__rows:first-child{margin-top:0}
  .ucp-result > .pg-result__rows:first-child > .pg-result__row:first-child{border-top:0;padding-top:2px}
  .ucp-result__t{font-size:14px;font-weight:600;color:var(--fg)}
  .ucp-result__tag{font:600 10px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.05em;color:var(--taupe);white-space:nowrap}
  .ucp-result .pg-result__row{grid-template-columns:124px minmax(0,1fr);padding:10px 0}
  .ucp-result .pg-result__k{padding-top:2px}
  .pg-result__v small{display:block;margin-top:3px;font-size:11.5px;line-height:1.4;color:var(--muted)}
  .ucp-strong{font-size:13px;font-weight:600;color:var(--fg)}
  .ucp-foot__note{min-width:0;font-size:11.5px;line-height:1.35;color:var(--muted)}
  .ucp-li{display:flex;align-items:baseline;gap:9px;font-size:13px;line-height:1.4}
  .ucp-li + .ucp-li{margin-top:5px}
  .ucp-li::before{content:"";flex:none;width:5px;height:5px;border-radius:1.5px;background:var(--taupe);translate:0 -2px}
  .ucp-li--q::before{background:var(--violet)}
  .ucp-li .pg-cite{margin-left:4px}

  /* email */
  .ucp-mail{display:flex;align-items:baseline;gap:6px;font-size:12.5px;color:var(--pg-body)}
  .ucp-mail b{font-weight:600;color:var(--fg)}
  .ucp-mail time{margin-left:auto;padding-left:8px;font:600 10px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.04em;color:var(--muted);white-space:nowrap}
  .ucp-quote{display:block;margin-top:7px;padding-left:10px;border-left:2px solid #3a3734;font-size:12.5px;line-height:1.45;color:var(--pg-body)}
  .ucp-write{display:grid;gap:2px;font-size:13px;line-height:1.5;color:var(--fg)}
  .ucp-write__l{display:block;clip-path:inset(0 0 0 0);transition:clip-path 1s var(--pg-out3) calc(var(--i,0) * .55s + .1s)}
  .is-live .ucp-write[data-on]:not(.is-on) .ucp-write__l{clip-path:inset(0 100% 0 0)}
  .ucp-mark{padding:0 3px;border-radius:3px;background:rgba(255,143,90,.16);color:var(--fg);box-shadow:inset 0 -1px 0 rgba(255,143,90,.7)}
  .ucp-check{display:flex;align-items:center;gap:10px;font-size:12.5px;line-height:1.4;color:var(--fg)}
  .ucp-check + .ucp-check{margin-top:7px}
  .ucp-check .pg-status{min-width:64px}
  .ucp-approve{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:10px;
    border:1px solid rgba(255,143,90,.38);background:rgba(255,143,90,.06);transition:border-color .5s var(--pg-out),background-color .5s}
  .ucp-approve.is-set{border-color:rgba(255,210,138,.38);background:rgba(255,210,138,.05)}
  .ucp-approve__t{min-width:0;font-size:12.5px;font-weight:600;line-height:1.35;color:var(--fg)}
  .ucp-approve__t small{font-weight:500}
  .ucp-approve__t small.pg-swap{display:grid}
  .ucp-approve .pg-uibtns{flex:none}

  /* scheduling: availability strip + slots */
  .ucp-week{display:grid;grid-template-columns:46px repeat(5,minmax(0,1fr));gap:4px 5px;align-items:center;width:100%}
  .ucp-week__h{font:600 9.5px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.04em;text-align:center;color:var(--muted);transition:color .4s}
  .ucp-week__who{font-size:11px;color:var(--taupe);white-space:nowrap}
  .ucp-week i{display:block;height:14px;border-radius:4px;border:1px solid #2e2c2a;background:#1c1b1a;transform-origin:0 50%;
    transition:transform .5s var(--pg-out) calc(var(--i,0) * 55ms),background-color .45s,border-color .45s}
  .ucp-week i.b{border-color:#3a3734;background:repeating-linear-gradient(135deg,#3a3734 0 3px,#2c2a28 3px 6px)}
  .is-live [data-on]:not(.is-on) .ucp-week i,.is-live .ucp-week[data-on]:not(.is-on) i{transform:scaleX(0)}
  .ucp-week.is-set i.t{border-color:rgba(255,143,90,.7);background:rgba(255,143,90,.3)}
  .ucp-week.is-set .is-pick{color:var(--accent)}
  .ucp-slots{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
  .ucp-slot{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:7px;border:1px solid #34312e;background:#1c1b1a;
    font-size:11.5px;font-weight:600;color:var(--taupe);white-space:nowrap;transition:border-color .45s,background-color .45s,color .45s}
  .ucp-slot.is-set{border-color:rgba(255,143,90,.7);background:var(--accent-soft);color:var(--fg)}

  /* research: comparison + sources */
  .ucp-cmp{display:grid;grid-template-columns:auto repeat(3,minmax(0,1fr));gap:7px 12px;align-items:center;font-size:11.5px;color:var(--fg)}
  .ucp-cmp b{font:600 9.5px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.04em;color:var(--c)}
  .ucp-cmp em{font:600 9.5px/1.2 var(--font-mono);font-style:normal;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
  .ucp-cmp > span{display:grid;gap:4px;min-width:0}
  .ucp-cmp i{display:block;width:var(--w);height:4px;border-radius:2px;background:var(--accent);transform-origin:0 50%;transition:transform .8s var(--pg-out) calc(var(--j,0) * 90ms + .1s)}
  .ucp-cmp > :nth-child(4n+3) i{background:var(--violet)}
  .ucp-cmp > :nth-child(4n) i{background:var(--sky)}
  .is-live [data-on]:not(.is-on) .ucp-cmp i{transform:scaleX(0)}
  .ucp-srcs{display:grid;gap:6px}
  .ucp-srcs > span{display:flex;align-items:center;gap:8px;font-size:12.5px}
  .ucp-srcs .pg-cite{margin-left:0}

  /* files */
  .ucp-files{display:grid;gap:6px}
  .ucp-file{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;border:1px solid var(--ucp-hair);background:#1c1b1a;font-size:12.5px;font-weight:600;color:var(--fg);
    transition:border-color .5s var(--pg-out),background-color .5s,opacity .5s}
  .ucp-file > span{min-width:0}
  .ucp-file small{display:block;margin-top:2px;font-weight:500}
  .ucp-file i{flex:none;width:12px;height:15px;border-radius:2px;background:var(--taupe);clip-path:polygon(0 0,68% 0,100% 28%,100% 100%,0 100%)}
  .ucp-file--pick i{background:var(--sky)}
  .ucp-file__tag{flex:none;margin-left:auto;padding:4px 7px;border-radius:5px;background:var(--accent-soft);font:600 9.5px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.05em;color:var(--accent);
    opacity:0;scale:.85;transition:opacity .35s,scale .5s var(--pg-spring)}
  .ucp-file--pick.is-set{border-color:rgba(124,184,255,.45);background:rgba(124,184,255,.06)}
  .ucp-file--pick.is-set .ucp-file__tag{opacity:1;scale:1}
  .ucp-file--old.is-set{opacity:.5}
  &:not(.ucp-js) .ucp-file__tag{opacity:1;scale:1}
  &:not(.ucp-js) .ucp-state > :last-child{opacity:1;translate:0 0}
  .ucp-kv{display:grid;gap:5px}
  .ucp-kv > span{display:flex;gap:10px;font-size:12.5px}
  .ucp-kv em{flex:none;width:104px;font-style:normal;color:var(--muted)}
  .ucp-doc{display:flex;align-items:center;gap:14px}
  .ucp-doc__page{flex:none;display:grid;align-content:start;gap:4px;width:62px;height:80px;padding:8px 7px;border-radius:4px;background:var(--cream);
    box-shadow:0 10px 20px -10px rgba(0,0,0,.9);rotate:-2deg}
  .ucp-doc__page b{font-size:6.5px;font-weight:700;line-height:1;color:var(--ink);white-space:nowrap;overflow:hidden}
  .ucp-doc__page .pg-sk{height:3px;margin:0;background:rgba(26,25,24,.18)}
  .ucp-doc__page .pg-sk--hi{background:rgba(26,25,24,.42);margin-top:3px}
  .ucp-doc__meta{display:grid;gap:3px;justify-items:start;min-width:0}
  .ucp-doc__meta small{margin-top:0}
  .ucp-chg{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--fg)}
  .ucp-chg + .ucp-chg{margin-top:6px}
  .ucp-chg__i{flex:none;min-width:40px;padding:4px 6px;border-radius:5px;background:#2a2826;font:600 9.5px/1 var(--font-mono);text-transform:uppercase;letter-spacing:.05em;text-align:center;color:var(--taupe)}
  .ucp-chg__i.is-new{background:rgba(255,210,138,.14);color:var(--ok)}
  .ucp-chg__btns{justify-content:flex-start;margin-top:12px}

  /* everyday: list, plan, questions */
  .ucp-todo{display:grid;gap:7px}
  .ucp-todo > span{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--fg);transition:opacity .45s var(--pg-out) calc(var(--i,0) * 120ms),translate .55s var(--pg-out) calc(var(--i,0) * 120ms),color .4s}
  .ucp-todo i{position:relative;flex:none;width:15px;height:15px;border-radius:4px;border:1.5px solid #4a4642;transition:background-color .35s,border-color .35s}
  .ucp-todo i::after{content:"";position:absolute;left:4px;top:1px;width:4px;height:7px;border:solid var(--accent-ink);border-width:0 1.6px 1.6px 0;rotate:45deg;opacity:0;scale:.5;transition:opacity .25s,scale .45s var(--pg-spring)}
  .ucp-todo > .is-set{color:var(--pg-body)}
  .ucp-todo > .is-set i{background:var(--ok);border-color:var(--ok)}
  .ucp-todo > .is-set i::after{opacity:1;scale:1}
  .is-live [data-on]:not(.is-on) .ucp-todo > span,
  .is-live [data-on]:not(.is-on) .ucp-plan > span,
  .is-live [data-on]:not(.is-on) .ucp-qs > span{opacity:0;translate:0 6px}
  .ucp-plan{display:grid;gap:5px}
  .ucp-plan > span{display:grid;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;background:var(--ucp-row);border-left:2px solid var(--accent);
    transition:opacity .45s var(--pg-out) calc(var(--i,0) * 120ms),translate .55s var(--pg-out) calc(var(--i,0) * 120ms)}
  .ucp-plan > .is-cal{border-left-color:var(--violet)}
  .ucp-plan > .is-free{border-left-color:#4a4642;background:transparent;outline:1px dashed #34312e;outline-offset:-1px}
  .ucp-plan time{font:600 10px/1 var(--font-mono);color:var(--taupe)}
  .ucp-plan b{min-width:0;font-size:12.5px;font-weight:600;color:var(--fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .ucp-plan em{font:600 9.5px/1 var(--font-mono);font-style:normal;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);white-space:nowrap}
  .ucp-plan em.is-due{color:var(--accent)}
  .ucp-plan .is-cal em{color:var(--violet)}
  .ucp-qs{display:grid;gap:6px}
  .ucp-qs > span{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 10px;border-radius:8px;background:var(--ucp-row);font-size:12.5px;color:var(--fg);
    transition:opacity .45s var(--pg-out) calc(var(--i,0) * 120ms),translate .55s var(--pg-out) calc(var(--i,0) * 120ms)}
  .ucp-qs em{flex:none;padding:4px 6px;border-radius:5px;background:rgba(124,184,255,.12);font:600 9.5px/1 var(--font-mono);font-style:normal;text-transform:uppercase;letter-spacing:.04em;color:var(--sky);white-space:nowrap}

  /* ---------------------------------------------------------------- note */
  .ucp-note{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:center;margin-top:88px;padding:44px 48px;
    border:1px solid var(--pg-line);border-radius:var(--r-lg);background:linear-gradient(180deg,#1d1c1b,#1a1919)}
  .ucp-note__main{display:flex;align-items:flex-start;gap:20px;min-width:0}
  .ucp-note__icon{flex:none;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent)}
  .ucp-note__icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .ucp-note__lead{min-width:0;padding-top:4px;font-size:clamp(22px,2vw,28px);font-weight:600;line-height:1.25;letter-spacing:-.02em;color:var(--fg);text-wrap:balance}
  .ucp-note__side{min-width:0;padding-left:44px;border-left:1px solid var(--pg-line)}
  .ucp-note__body{font-size:16px;line-height:1.55;color:var(--pg-body)}
  .ucp-note__body strong{font-weight:600;color:var(--fg)}
  .ucp-note .pg-link{margin-top:20px}

  /* ---------------------------------------------------------------- related */
  .ucp-related__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px 40px;margin-bottom:48px}
  .ucp-related__head .display{max-width:900px;text-wrap:balance}
  .ucp-related__head .pg-link{margin-top:0;padding-bottom:10px}
  .ucp-links{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
  .ucp-links > li{min-width:0}
  .ucp-linkcard{min-height:268px;padding:26px}
  .ucp-linkcard__ic{display:grid;place-items:center;width:42px;height:42px;margin-bottom:32px;border-radius:11px;border:1px solid #3a3734;color:var(--taupe);
    transition:color .35s var(--ease),border-color .35s,background-color .35s}
  .ucp-linkcard__ic svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
  .ucp-linkcard:hover .ucp-linkcard__ic,.ucp-linkcard:focus-visible .ucp-linkcard__ic{color:var(--accent);border-color:rgba(255,143,90,.5);background:var(--accent-soft)}
  .ucp-linkcard .pg-linkcard__t{font-size:22px;text-wrap:balance}

  /* ---------------------------------------------------------------- index */
  .ucp-index{padding-top:120px}
  .ucp-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .ucp-card{min-width:0}
  .ucp-card__in{position:relative;display:flex;flex-direction:column;height:100%;border:1px solid var(--pg-line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden;
    transition:border-color .4s var(--ease),translate .55s var(--pg-out),box-shadow .55s var(--pg-out)}
  .ucp-card__in:hover{border-color:#45413d;translate:0 -4px;box-shadow:0 34px 60px -34px rgba(0,0,0,.9)}
  .ucp-card__in:has(.ucp-card__link:focus-visible){outline:2px solid var(--accent);outline-offset:3px}
  .ucp-card__art{--glow:rgba(255,143,90,.16);position:relative;isolation:isolate;display:grid;place-items:center;grid-template-columns:minmax(0,1fr);height:316px;padding:40px 28px 28px;
    border-bottom:1px solid var(--ucp-hair);background:radial-gradient(120% 100% at 50% 0%,#232221,#181818);overflow:hidden}
  .ucp-card__art::before{content:"";position:absolute;z-index:-1;inset:0;pointer-events:none;background-image:radial-gradient(rgba(234,227,221,.10) 1px,transparent 1.2px);background-size:16px 16px;
    -webkit-mask-image:radial-gradient(80% 80% at 50% 40%,#000 20%,transparent 85%);mask-image:radial-gradient(80% 80% at 50% 40%,#000 20%,transparent 85%)}
  .ucp-card__art::after{content:"";position:absolute;z-index:-1;left:50%;top:60%;width:80%;aspect-ratio:1;translate:-50% -50%;border-radius:50%;pointer-events:none;
    background:radial-gradient(closest-side,var(--glow),transparent 72%);opacity:.7;transition:opacity .6s var(--pg-out)}
  .ucp-card__in:hover .ucp-card__art::after{opacity:1}
  .ucp-card__art > .pg-ill{position:absolute;top:14px;right:16px}
  .ucp-card:nth-child(2) .ucp-card__art{--glow:rgba(155,156,255,.16)}
  .ucp-card:nth-child(3) .ucp-card__art{--glow:rgba(124,184,255,.14)}
  .ucp-card:nth-child(4) .ucp-card__art{--glow:rgba(255,210,138,.13)}
  .ucp-card:nth-child(6) .ucp-card__art{--glow:rgba(155,156,255,.16)}
  .ucp-card__copy{display:flex;flex:1;flex-direction:column;align-items:flex-start;padding:28px 28px 30px}
  .ucp-card__t{font-size:clamp(24px,2vw,28px);font-weight:700;line-height:1.08;letter-spacing:-.025em;color:var(--fg);text-wrap:balance}
  .ucp-card__b{margin-top:12px;font-size:16px;line-height:1.55;color:var(--pg-body)}
  .ucp-card__link{margin-top:auto;padding-top:28px}
  .ucp-card__link::after{content:"";position:absolute;inset:0;z-index:1}
  .ucp-card__link:focus-visible{outline:0}
  .ucp-card__in:hover .ucp-card__link span:first-child{background-size:100% 1px}
  .ucp-card__in:hover .ucp-card__link .arrow{translate:4px 0}
  .ucp-index__note{max-width:none}

  /* mini scenes on the index cards */
  .ucp-mini{width:100%;max-width:310px}
  .ucp-mini__card{display:grid;gap:10px;padding:14px;border:1px solid #2e2c2a;border-radius:12px;background:var(--ucp-card);font-size:12px;line-height:1.4;color:var(--fg);
    box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 30px 60px -28px rgba(0,0,0,.9)}
  .ucp-mini__head{display:flex;align-items:center;justify-content:space-between;gap:10px}
  .ucp-mini__head b{min-width:0;font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .ucp-mini__src{font-size:10.5px;color:var(--muted);white-space:nowrap}
  .ucp-mini__row{display:grid;grid-template-columns:112px minmax(0,1fr);align-items:center;gap:10px;padding-top:9px;border-top:1px solid var(--ucp-hair)}
  .ucp-mini__row em{font:600 9.5px/1.25 var(--font-mono);font-style:normal;text-transform:uppercase;letter-spacing:.04em;color:var(--taupe)}
  .ucp-mini__row .pg-sk{height:6px}
  .ucp-mini__to{display:flex;align-items:baseline;gap:8px;min-width:0;padding-bottom:10px;border-bottom:1px solid var(--ucp-hair)}
  .ucp-mini__to em{font:600 9.5px/1 var(--font-mono);font-style:normal;text-transform:uppercase;color:var(--taupe)}
  .ucp-mini__to b{font-weight:600}
  .ucp-mini__to span{min-width:0;margin-left:auto;font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .ucp-mini .ucp-write{font-size:12px;color:var(--pg-body)}
  .ucp-mini__foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:10px;border-top:1px solid var(--ucp-hair)}
  .ucp-mini__foot .pg-uibtn{height:26px;font-size:10px;padding:0 11px}
  .ucp-mini__inv{display:grid;gap:2px;min-width:0;font-size:11px;color:var(--muted)}
  .ucp-mini__inv b{font-size:12px;font-weight:600;color:var(--fg)}
  .ucp-mini__find{min-width:0;font-size:12px;font-weight:600}
  .ucp-mini__srcs{display:flex;flex-wrap:wrap;gap:6px 12px}
  .ucp-mini__srcs > span{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;color:var(--muted)}
  .ucp-mini__srcs .pg-cite{margin-left:0}
  .ucp-mini .ucp-week__who{font-size:10px}
  .ucp-mini .ucp-week{grid-template-columns:40px repeat(5,minmax(0,1fr))}
  .ucp-mini__card--files .ucp-doc{padding-top:10px;border-top:1px solid var(--ucp-hair)}
  .ucp-mini .ucp-doc__meta .pg-status{margin-top:4px}
  .ucp-todo--tick > span{transition:color .4s}

  /* ---------------------------------------------------------------- responsive */
  @media (max-width:1024px){
    .ucp-hero{padding-bottom:96px}
    .ucp-askbar{margin-top:80px}
    .ucp-scen{margin-bottom:64px}
    .ucp-run{grid-template-columns:minmax(0,1fr);gap:48px}
    .ucp-stage{min-height:0}
    .ucp-note{grid-template-columns:minmax(0,1fr);gap:28px;padding:36px}
    .ucp-note__side{padding:28px 0 0;border-left:0;border-top:1px solid var(--pg-line)}
    .ucp-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
    .ucp-index{padding-top:96px}
    /* related cards become a swipeable row */
    .ucp-links{display:flex;gap:12px;margin:0 calc(var(--gutter) * -1);padding:6px var(--gutter) 10px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:0 var(--gutter);
      scrollbar-width:thin;scrollbar-color:#3a3734 transparent;overscroll-behavior-x:contain}
    .ucp-links > li{flex:0 0 280px;scroll-snap-align:start}
  }
  @media (max-width:640px){
    .ucp-hero{padding-bottom:64px}
    .ucp-title--long{font-size:clamp(36px,10.4vw,52px)}
    .ucp-askbar{flex-wrap:wrap;gap:12px;min-height:0;margin-top:56px;padding:16px 16px 14px;border-radius:14px}
    .ucp-askbar__mark{width:24px;height:24px;border-radius:7px}
    .ucp-askbar__txt{flex:1 1 calc(100% - 40px);font-size:16px}
    .ucp-askbar__ill{order:3;margin-right:auto}
    .ucp-askbar__key{order:4;height:38px;padding:0 14px 0 6px;font-size:11px}
    .ucp-askbar__mic{width:26px;height:26px}
    .ucp-scen{margin-bottom:44px;font-size:clamp(26px,7.4vw,32px);line-height:1.12}
    .ucp-run{gap:36px}
    .ucp-step__btn{grid-template-columns:32px minmax(0,1fr);column-gap:16px;padding:20px 0 22px}
    .ucp-step__n{width:32px;height:32px;border-radius:8px}
    .ucp-step__t{padding-top:5px;font-size:17px}
    .ucp-side__hint{display:none}
    .ucp-reqs{flex-direction:column;align-items:stretch;margin-bottom:24px}
    .ucp-req{font-size:14px}
    .ucp-stage{padding:44px 12px 14px}
    .ucp-frame .pg-frame__bar{flex-wrap:wrap;row-gap:6px}
    .ucp-frame .pg-frame__body{padding:14px 12px}
    .ucp-msg__txt{max-width:100%;font-size:13px}
    .ucp-result .pg-result__row{grid-template-columns:minmax(0,1fr);gap:7px}
    .ucp-approve{flex-direction:column;align-items:stretch}
    .ucp-approve .pg-uibtns{justify-content:flex-end}
    .ucp-cmp{gap:7px 8px;font-size:11px}
    .ucp-kv em{width:96px}
    .ucp-plan > span{grid-template-columns:36px minmax(0,1fr) auto;gap:8px}
    .ucp-plan b{white-space:normal;line-height:1.3}
    .ucp-note{margin-top:56px;padding:24px 20px}
    .ucp-note__main{flex-direction:column;gap:16px}
    .ucp-note__icon{width:40px;height:40px}
    .ucp-note__lead{padding-top:0;font-size:21px}
    .ucp-note__body{font-size:15px}
    .ucp-related__head{margin-bottom:32px}
    .ucp-links > li{flex-basis:82%}
    .ucp-linkcard{min-height:232px}
    .ucp-cards{grid-template-columns:minmax(0,1fr)}
    .ucp-index{padding-top:72px}
    .ucp-card__art{height:316px;padding:40px 16px 20px}
    .ucp-card__copy{padding:22px 22px 24px}
    .ucp-card__t{font-size:24px}
    .ucp-mini__row{grid-template-columns:104px minmax(0,1fr)}
  }
  @media (prefers-reduced-motion:reduce){
    .ucp-type__live.is-typing::after{animation:none}
    .ucp-tp{translate:0 0}
  }
}
@keyframes ucp-fill{to{transform:scaleX(1)}}

/* result rows wait as skeletons until their step, so the card reads as "being filled in" */
body:is(.page-meetings,.page-email,.page-scheduling,.page-research,.page-files,.page-everyday-tasks){
  .ucp-result .pg-result__row{position:relative}
  .ucp-result .pg-result__k,.ucp-result .pg-result__v{transition:opacity .45s var(--pg-out),translate .55s var(--pg-out),color .4s}
  .is-live .ucp-result .pg-result__row[data-on]:not(.is-on){opacity:1;translate:0 0}
  .is-live .ucp-result .pg-result__row[data-on]:not(.is-on) > .pg-result__v{opacity:0;translate:0 5px}
  .is-live .ucp-result .pg-result__row[data-on]:not(.is-on) > .pg-result__k{color:#5f5853}
  .ucp-result .pg-result__row::after{content:"";position:absolute;left:136px;top:13px;width:min(52%,240px);height:8px;border-radius:4px;pointer-events:none;opacity:0;
    background:linear-gradient(90deg,#252423 0%,#302e2c 40%,#252423 80%) 0 0/200% 100%;transition:opacity .35s var(--pg-out)}
  .is-live .ucp-result .pg-result__row[data-on]:not(.is-on)::after{opacity:1;animation:ucp-shimmer 1.6s linear infinite}
  .ucp-result > .pg-result__rows:first-child > .pg-result__row:first-child::after{top:5px}
  @media (max-width:640px){
    .ucp-result .pg-result__row::after{left:0;top:30px;width:60%}
    .ucp-result > .pg-result__rows:first-child > .pg-result__row:first-child::after{top:22px}
  }
}
@keyframes ucp-shimmer{to{background-position:-200% 0}}

/* index cards: richer fictional values in the mini panels */
body.page-use-cases{
  .ucp-mini__v{display:grid;gap:3px;min-width:0;font-size:12px;line-height:1.35;color:var(--fg)}
  .ucp-mini__v b{font-weight:600}
  .ucp-mini__v small{font-size:10.5px;color:var(--muted)}
  .ucp-mini__v .ucp-li{font-size:11.5px}
  .ucp-mini__v .ucp-li + .ucp-li{margin-top:0}
  .ucp-mini .pg-chips{gap:5px}
  .ucp-mini .pg-chip{height:22px;padding:0 8px;font-size:10.5px}
  .ucp-mini .ucp-slots{margin-top:0;gap:5px}
  .ucp-mini .ucp-slot{height:23px;padding:0 8px;font-size:10.5px}
  .ucp-mini .ucp-week{gap:4px 5px}
  .ucp-mini .ucp-week i{height:12px}
  .ucp-mini__cmp .ucp-cmp{gap:6px 10px;font-size:10.5px}
  .ucp-mini__cmp .ucp-cmp > span{gap:3px}
  .ucp-mini__find{font-size:11.5px;line-height:1.4}
  .ucp-mini__srcs{gap:4px 10px}
  .ucp-mini__row{padding-top:8px}
}

/* ==========================================================================
   Interactive approval: the Edit / Send / Approve / Save controls in the result panels
   are real buttons (js/pages-usecases.js). Pressing the primary one pauses the loop and
   shows the approved state; Replay resets it. The scripted loop stays the default.
   ========================================================================== */
body:is(.page-meetings,.page-email,.page-scheduling,.page-files,.page-everyday-tasks){
  /* controls that have not appeared yet are not reachable */
  .is-live [data-on]:not(.is-on) [data-ucp-act]{visibility:hidden}
  button.pg-uibtn{cursor:pointer;transition:background-color .25s var(--ease),color .25s,border-color .25s,opacity .3s,scale .3s var(--pg-spring)}
  button.pg-uibtn:disabled{cursor:default}
  button.pg-uibtn--go:hover:not(:disabled){background:var(--accent-hover)}
  button.pg-uibtn--ghost:hover:not(:disabled),button.pg-uibtn--ghost[aria-pressed="true"]{border-color:#6a645e;color:var(--fg)}
  button.pg-uibtn--ghost[aria-pressed="true"]{background:rgba(255,143,90,.1);border-color:rgba(255,143,90,.6)}
  button.pg-uibtn:active:not(:disabled){scale:.94}
  button.pg-uibtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

  /* approved state */
  .ucp-frame.is-approved .pg-swap > :first-child{opacity:0;translate:0 -4px}
  .ucp-frame.is-approved .pg-swap > :last-child{opacity:1;translate:0 0}
  .ucp-frame.is-approved .pg-uibtn--go{background:var(--ok);color:var(--accent-ink)}
  .ucp-frame.is-approved .pg-uibtn--ghost{opacity:.4}
  .ucp-frame.is-approved .ucp-approve{border-color:rgba(255,210,138,.38);background:rgba(255,210,138,.05)}
  .ucp-frame.is-approved .ucp-result{border-color:rgba(255,210,138,.3)}
  .ucp-frame.is-approved .ucp-state:has(> [data-ap]) > :not([data-ap]){opacity:0;translate:0 3px}
  .ucp-frame.is-approved .ucp-state > [data-ap]{opacity:1;translate:0 0}

  /* Edit */
  .ucp-frame [contenteditable="true"]{cursor:text;border-radius:4px;outline:1px dashed rgba(255,143,90,.75);outline-offset:3px}
  .ucp-frame [contenteditable="true"]:focus{outline-style:solid}

  /* Review changes (files) */
  .ucp-chg__t{display:grid;gap:0;min-width:0}
  .ucp-chg__d{display:block;max-height:0;margin:0;overflow:hidden;opacity:0;font-size:11.5px;line-height:1.4;color:var(--muted);
    transition:max-height .5s var(--pg-out),opacity .4s var(--pg-out),margin .5s var(--pg-out)}
  .ucp-frame.is-review .ucp-chg__d{max-height:40px;margin-top:3px;opacity:1}
  .ucp-frame.is-review .ucp-chg{padding:6px 8px;margin-inline:-8px;border-radius:8px;background:rgba(255,143,90,.07)}
  .ucp-chg{transition:background-color .35s,padding .35s var(--pg-out)}
  .ucp-chg__i{align-self:flex-start}
}