/* =====================================================================
   Homepage — v4, watercolor
   ===================================================================== */

/* ================= HERO ================= */
/* v2: the poster hero's layout (the horizon, the robot on it, the phone order) is in v2-opening.css */
.display{font-size:clamp(40px,4.9vw,66px);line-height:1.04;letter-spacing:-.018em;margin:18px 0 0;color:var(--ink)}
.h1-sub{display:block;font-size:.62em;line-height:1.2;margin-top:.3em;color:var(--ink2);letter-spacing:-.005em}
.h1-sub em{font-style:italic}

/* ================= 01 · STORY — one column, read top to bottom ================= */
.story-col{max-width:720px;margin:0 auto}
.story-lead{font-family:var(--serif);font-size:clamp(18px,1.5vw,20px);line-height:1.68;color:var(--ink2);margin-top:14px}
.story-lead b{font-weight:700;color:var(--ink)}
.chap{position:relative;margin-top:clamp(34px,4vw,46px);padding-left:32px}
.chap::before{content:"";position:absolute;left:6px;top:9px;bottom:calc(-1 * clamp(34px,4vw,46px));width:2px;border-radius:2px;background:var(--line2)}
.chap:nth-of-type(4)::before{bottom:0}
.chap-date{position:relative;font-family:var(--serif);font-style:italic;font-size:15px;color:var(--muted)}
.chap-date i{position:absolute;left:-32px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--c);filter:url(#wcf);box-shadow:0 0 0 4px var(--paper)}
.chap h3{font-size:clamp(24px,2.4vw,30px);line-height:1.2;margin-top:4px}
.chap h3 em{font-style:italic}
.chap > p{font-family:var(--serif);font-size:clamp(17.5px,1.4vw,19px);line-height:1.7;color:var(--ink2);margin-top:10px}
.chap > p b{color:var(--ink);font-weight:700}
.chap-fig{margin:18px 0 0;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow)}
.chap-fig figcaption{display:flex;justify-content:space-between;align-items:baseline;gap:6px 14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:10px}
.shot-link{align-self:flex-start;font-size:13.5px;font-weight:600;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line2);padding-bottom:1px;margin-top:auto;transition:border-color .2s,color .2s}
.shot-link:hover{border-color:var(--coralD);color:var(--coralD)}
.shot-link span{display:inline-block;transition:transform .3s var(--spring)}
.shot-link:hover span{transform:translate(2px,-2px)}
.board25{display:flex;flex-direction:column;gap:2px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:8px 10px}
.b25-row{display:grid;grid-template-columns:20px 1fr auto;column-gap:10px;row-gap:5px;align-items:baseline;padding:7px 4px}
.b25-row .rk{font-family:var(--serif);font-size:18px;color:var(--muted2)}
.b25-row .who{font-size:13.5px;font-weight:650;color:var(--ink);display:flex;gap:6px;align-items:center}
.b25-row .who em{font-family:var(--serif);font-style:italic;font-size:13.5px;font-weight:400;color:var(--muted)}
.b25-row .sc{font-size:12.5px;color:var(--ink2);font-variant-numeric:tabular-nums}
.b25-row .bar{grid-column:2/4;height:7px;border-radius:99px;background:var(--paper3);overflow:hidden}
.b25-row .bar i{display:block;height:100%;width:calc(var(--w) * 100%);background:var(--grey);border-radius:99px;transform-origin:left;transform:scaleX(0);transition:transform 2s var(--ease);filter:url(#wcf)}
.board25.go .bar i{transform:scaleX(1)}
.b25-row.win .bar i{background:var(--coral)} .b25-row.ai .bar i{background:var(--blue)}
.awards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.award{border-radius:12px;padding:14px 12px;text-align:center;position:relative;background:var(--coralW);display:flex;flex-direction:column;gap:4px;transform:rotate(-1.5deg)}
.award.two{transform:rotate(1.4deg);background:var(--goldW)}
.award::before{content:"";position:absolute;inset:4px;border:1px dashed rgba(24,25,24,.18);border-radius:9px}
.aw-k{font-family:var(--serif);font-style:italic;font-size:14px;color:var(--muted)}
.aw-t{font-family:var(--serif);font-size:19px;line-height:1.15;color:var(--ink)}
.in .award,.award.in{animation:stamp .7s var(--spring) both}
.in .award.two{animation-delay:.15s}
@keyframes stamp{from{opacity:0;transform:scale(1.3) rotate(-8deg)}}
.jc{display:flex;align-items:center;gap:12px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.jc b{font-family:var(--serif);font-weight:400;font-size:40px;color:var(--muted2);line-height:1;letter-spacing:-.02em}
.jc b:last-child{color:var(--ink)}
.jc i{flex:1;height:6px;border-radius:6px;background:linear-gradient(90deg,var(--grey),var(--mint));filter:url(#wcf);transform-origin:left;transform:scaleX(0);transition:transform 1.4s var(--ease) .3s}
.in .jc i{transform:scaleX(1)}
.mp{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.mp li{position:relative;isolation:isolate;min-height:62px;padding:10px 10px 9px;border-radius:8px;border:1px dashed var(--line2);font-size:12.5px;font-weight:650;color:var(--muted);line-height:1.3;display:flex;flex-direction:column;justify-content:flex-end}
.mp li small{display:block;font-size:10.5px;font-weight:600;color:var(--ink2);margin-top:2px}
.mp li.done,.mp li.ai{border-color:transparent;color:var(--ink)}
.mp li.done::before,.mp li.ai::before{content:"";position:absolute;inset:0;border-radius:8px;z-index:-1;filter:url(#wcf);transform:scale(.4);opacity:0;transition:transform .9s var(--spring),opacity .6s}
.mp li.done::before{background:var(--blue);opacity:.0}
.mp li.ai::before{background:var(--gold)}
.in .mp li.done::before{opacity:.55;transform:none}
.in .mp li.ai::before{opacity:.75;transform:none;transition-delay:.35s}
.question{margin-top:clamp(40px,4.5vw,56px);padding-top:clamp(26px,3vw,34px);border-top:1px solid var(--line2)}
.q-lead{font-family:var(--serif);font-size:clamp(17.5px,1.4vw,19px);line-height:1.7;color:var(--ink2)}
.q-big{font-family:var(--serif);font-style:italic;font-size:clamp(21px,2.1vw,27px);color:var(--ink);line-height:1.45;margin-top:14px}
.q-big span{color:var(--coralD)}
.karp{margin-top:clamp(24px,3vw,34px)}
.karp p{font-family:var(--serif);font-size:clamp(17.5px,1.4vw,19px);line-height:1.7;margin-bottom:12px;color:var(--ink2)}
.karp p em{font-style:italic}
.karp-end{color:var(--ink)!important}
.kshot{display:block;max-width:560px;margin-top:8px;border-radius:12px;overflow:hidden;border:1px solid var(--line2);box-shadow:var(--shadow);transition:transform .35s var(--ease),box-shadow .35s}
.kshot:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
/* ================= THE QUESTION (index.html): a short story, one line at a time =================
   Without JavaScript, under reduced motion and on windows under 520px tall, it is simply a column of text with
   everything drawn. When home.js adds .live, the column pins to the window and scrolling reveals it beat by beat
   (data-at: after how many steps); each scene's .qs-in glides (--shift) so its visible lines sit in the middle. */
.qs-stage{max-width:1080px;margin:0 auto;padding:0 var(--gutter)}
.qs-scene{max-width:720px;margin:0 auto}
.qs-scene + .qs-scene{margin-top:clamp(40px,5vw,64px)}
.qs-in{position:relative}
.qs-lead{font-family:var(--serif);font-size:clamp(24px,min(2.7vw,4.2vh),36px);line-height:1.3;color:var(--ink);margin-top:14px}
.qs-big{font-size:clamp(32px,min(4.6vw,6.6vh),60px);line-height:1.12;letter-spacing:-.015em;margin-top:6px}
.qs-big em{font-style:italic}
.q-list{list-style:none;margin:clamp(16px,2vw,26px) 0 0;padding:0}
.q-list li{display:flex;align-items:baseline;gap:14px;font-family:var(--serif);font-style:italic;font-size:clamp(21px,min(2.3vw,3.5vh),30px);line-height:1.4;color:var(--ink);padding:5px 0}
.q-list li::before{content:"";flex:none;width:.46em;height:.46em;border-radius:50%;background:var(--c);opacity:.85;filter:url(#wcf);transform:translateY(-.06em)}
.qs-truth{font-family:var(--serif);font-size:clamp(32px,min(4.6vw,6.6vh),60px);line-height:1.15;color:var(--ink)}
.qs-shift{font-family:var(--serif);font-size:clamp(24px,min(3vw,4.4vh),40px);line-height:1.3;color:var(--ink2);max-width:780px;margin-top:clamp(18px,3vh,30px)}
.qs-shift em{font-style:italic}
/* the highlighter: a full-height painted band behind the words, like "coworker" in the hero */
.qs-hl{position:relative;white-space:nowrap;z-index:0}
.qs-hl::before{content:"";position:absolute;left:-.12em;right:-.12em;bottom:-.1em;height:.94em;z-index:-1;border-radius:.22em;background:rgba(242,190,82,.5);filter:url(#wcf);transform-origin:left center;transition:transform .9s var(--ease) .2s}
/* 'twelve months' is a link to Psyho's post */
.qs-plink{font:inherit;color:inherit;cursor:pointer;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:.16em;text-decoration-color:rgba(24,25,24,.4)}
.qs-plink:hover{text-decoration-color:var(--coralD);color:var(--coralD)}
.qs-shotcap{font-family:var(--serif);font-style:italic;font-size:16px;color:var(--muted);margin:0 44px 12px 0}
/* twenty years against twelve months, on graph paper: two strokes measured to 20:1, no axis, no dates */
.qs-span{margin:clamp(20px,3.4vh,34px) 0 0;padding:14px 18px 16px;border-radius:12px;border:1px solid var(--line)}
.qs-row{display:flex;flex-direction:column;gap:2px}
.qs-row + .qs-row{margin-top:10px}
.qs-sl{font-family:var(--serif);font-style:italic;font-size:15px;line-height:1.3;color:var(--ink2)}
.qs-row canvas{display:block;width:100%;height:22px}
.qs-text{font-family:var(--serif);font-size:clamp(18px,min(1.65vw,2.6vh),22px);line-height:1.6;color:var(--ink2);margin-top:18px;max-width:640px}
.qs-text b{color:var(--ink)}
/* the Karpathy post, cropped to its words so they stay readable: 1270 x 580 of the 1404 x 726 screenshot */
.qs-shot{position:relative;display:block;width:100%;max-width:min(880px, calc((100svh - var(--nav-h) - 230px) * 2.19));aspect-ratio:1270/580;margin-top:clamp(14px,2.4vh,24px);
  overflow:hidden;border-radius:12px;border:1px solid var(--line2);background:#fff;transition:transform .35s var(--ease)}
.qs-shot img{position:absolute;max-width:none;width:110.55%;height:auto;left:-5.2%;top:-15.52%}
.qs-shot:hover{transform:translateY(-3px)}
.qs-quote{margin:14px 0 0;font-family:var(--serif);font-style:italic;font-size:clamp(26px,min(3.7vw,5.4vh),48px);line-height:1.6;color:var(--ink)}
/* the coral scribble: "programming" crossed out, "data analysis" written over it in Excalifont */
.qs-swap{position:relative;white-space:nowrap}
.qs-strike{position:absolute;left:-.1em;top:.36em;width:calc(100% + .2em);height:.42em;overflow:visible;pointer-events:none}
.qs-strike path{fill:none;stroke:var(--coralD);stroke-width:2.8;stroke-linecap:round;vector-effect:non-scaling-stroke;stroke-dasharray:900;stroke-dashoffset:900;transition:stroke-dashoffset .3s cubic-bezier(.5,0,.6,1)}
.qs-strike path + path{transition-delay:.22s}
.qs-new{position:absolute;left:50%;bottom:76%;transform:translateX(-50%) rotate(-3deg);font-family:Excalifont,var(--sans);font-style:normal;font-size:.74em;line-height:1;color:var(--coralD);white-space:nowrap;pointer-events:none}
.qs-new i{display:inline-block;font-style:normal;opacity:0;transform:translateY(.25em) scale(.85);transition:opacity .15s,transform .3s var(--spring);transition-delay:calc(.45s + var(--i) * 55ms)}
.qs-swap.on .qs-strike path{stroke-dashoffset:0}
.qs-swap.on .qs-new i{opacity:1;transform:none}
.qs-end{color:var(--ink)}
.qs-kt .qs-text,.qs-karp .qs-text{font-size:clamp(22px,min(2.7vw,4.2vh),36px);line-height:1.3;max-width:none;color:var(--ink)}
.qs-karp .qs-end{margin-top:22px}
.qs-hint{display:none}
/* the year: four fixed-width slots; in each, a strip of digits rolls up to its place, so nothing moves sideways */
.qs-yr{margin-bottom:clamp(10px,2vh,22px)}
.qs-odo{position:relative;isolation:isolate;display:inline-flex;font-family:var(--serif);font-weight:400;font-size:clamp(60px,min(8.4vw,12vh),116px);line-height:1;letter-spacing:0;color:var(--ink);padding:0 .04em}
/* the purple wash behind it, as in v1 */
.qs-odo::before{content:"";position:absolute;left:-.22em;right:-.26em;top:-.02em;bottom:-.02em;border-radius:46% 54% 50% 50% / 55% 48% 52% 45%;background:var(--purple);opacity:.42;filter:url(#wcf);z-index:-1}
.qs-odo i{display:block;width:.6em;height:1.24em;overflow:hidden;font-style:normal;text-align:center}
.qs-odo b{display:block;height:1.24em;line-height:1.24;font-weight:400;transform:translateY(calc(var(--k, 0) * -100%));transition:transform .5s var(--ease)}
.still .qs-odo b{transition:none}

.qs-track.live{height:calc(var(--steps,10) * 28svh + 100svh)}
.qs-track.live .qs-sticky{position:sticky;top:var(--nav-h);height:calc(100svh - var(--nav-h));overflow:hidden}
.qs-track.live .qs-stage{position:relative;height:100%}
.qs-track.live .qs-scene{position:absolute;inset:0 var(--gutter);margin:auto;padding-bottom:4vh;display:flex;flex-direction:column;justify-content:center;
  opacity:0;transform:translateY(40px);pointer-events:none;transition:opacity .5s var(--ease),transform .8s var(--ease)}
.qs-track.live .qs-in{transform:translateY(var(--shift, 0px));transition:transform .7s var(--ease)}
.qs-track.live .qs-scene.on{opacity:1;transform:none;pointer-events:auto}
.qs-track.live .qs-scene.gone{transform:translateY(-40px)}
.qs-track.live .qs-kt{max-width:900px;text-align:center}
.qs-track.live .qs-kt .qs-in{display:flex;flex-direction:column;align-items:center}
.qs-track.live .qs-b{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .7s var(--ease)}
.qs-track.live .qs-b.on{opacity:1;transform:none}
.qs-track.live .qs-b:not(.on){pointer-events:none}
.qs-track.live .qs-shot.qs-b{transform:translateY(24px) scale(.96)}
.qs-track.live .qs-shot.qs-b.on{transform:none}
.qs-track.live .qs-row.r2.qs-b{transform:none}
.qs-track.live .qs-row.r2 canvas{transform-origin:4px 50%;transform:scaleX(.05);transition:transform .55s var(--spring)}
.qs-track.live .qs-row.r2.on canvas{transform:none}
.qs-track.live .q-list li::before{transform:scale(0);transition:transform .7s var(--spring) .1s}
.qs-track.live .q-list li.on::before{transform:translateY(-.06em) scale(1)}
.qs-track.live .qs-hl::before{transform:scaleX(0)}
.qs-track.live .qs-hl.in::before{transform:scaleX(1)}
/* the quote types itself as you scroll */
.qs-track.live .qs-type .ch{visibility:hidden}
.qs-track.live .qs-type .ch.on{visibility:visible}
.qs-track.live .qs-type .ch.cur::after,.qs-track.live .qs-type.cur0::before{content:"";display:inline-block;width:0;height:.9em;margin-right:-2px;border-right:2px solid var(--ink);vertical-align:-.1em;animation:qsBlink 1s steps(1) infinite}
.qs-track.live .qs-type.done .ch.cur::after{display:none}
@keyframes qsBlink{50%{opacity:0}}
.qs-track.live .qs-hint{display:block;position:absolute;left:50%;bottom:clamp(40px,7vh,80px);transform:translateX(-50%);font-size:13px;font-weight:600;color:var(--muted);
  background:rgba(250,249,245,.9);padding:3px 10px;border-radius:8px;white-space:nowrap;pointer-events:none;transition:opacity .4s}
.qs-track.live .qs-hint span{display:inline-block;animation:hintBob 1.4s ease-in-out infinite}
.qs-track.live .qs-hint.off{opacity:0}
.qs-track.live .qs-sticky{cursor:pointer}
.qs-track.live .qs-sticky :is(p,li,h2,blockquote,figure){cursor:inherit}
@media (max-width:620px){
  .qs-track.live .qs-kt{text-align:left}
  .qs-track.live .qs-kt .qs-in{align-items:stretch}
  /* on a phone the post goes edge to edge, so its words stay at least 11px tall */
  .qs-shot{width:100vw;max-width:none;margin-left:calc(-1 * var(--gutter));border-radius:0;border-left:0;border-right:0}
  .qs-span{padding:12px 12px 14px}
}

/* ================= 02 · THE CLIMB ================= */
/* the climb: the chart holds still while scrolling moves the story along */
.climb-track{position:relative;height:calc(var(--steps,14) * 26vh + 100vh)}
.climb-sticky{position:sticky;top:var(--nav-h);height:calc(100vh - var(--nav-h));display:flex;flex-direction:column;justify-content:center;padding:6px 0 70px}
.cl-stage{position:relative;height:min(calc(100vh - var(--nav-h) - 130px),580px);min-height:300px}
.cl-stage canvas,.cl-lead{position:absolute;inset:0;width:100%;height:100%}
.cl-lead{overflow:visible;pointer-events:none}
.cl-lead path{fill:none;stroke:rgba(24,25,24,.5);stroke-width:1.3;stroke-linecap:round}
.cl-labels{position:absolute;inset:0}
.cl-hit{position:absolute;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;cursor:pointer;background:transparent;z-index:2}
.cl-lab{position:absolute;transform:translate(-50%,6px);font-size:11.5px;font-weight:650;line-height:1.2;color:var(--ink2);white-space:nowrap;text-align:center;cursor:pointer;
  opacity:0;pointer-events:none;transition:opacity .45s var(--ease),transform .55s var(--spring);text-shadow:0 0 3px var(--paper),0 0 6px var(--paper),0 0 10px var(--paper)}
.cl-lab small{display:block;font-family:var(--serif);font-style:italic;font-size:11.5px;font-weight:400;color:var(--muted)}
.cl-lab.on{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.cl-lab:hover{color:var(--coralD)}
.cl-note{position:absolute;left:0;top:0;width:min(390px,40%);padding:18px 20px 16px;background:var(--card);border:1px solid var(--line2);border-radius:16px;
  box-shadow:var(--shadow-tight,0 1px 2px rgba(24,25,24,.05),0 6px 12px -8px rgba(24,25,24,.18));z-index:3;opacity:0}
.cl-note.ready{opacity:1;transition:left .65s var(--ease),top .65s var(--ease),opacity .4s}
.cn-body{animation:cnIn .5s var(--ease) both}
@keyframes cnIn{from{opacity:0;transform:translateY(6px)}}
.cn-head{display:flex;align-items:center}
.cn-year{position:relative;isolation:isolate;font-family:var(--serif);font-size:38px;line-height:1;color:var(--ink);padding:4px 2px 2px}
.cn-year::before{content:"";position:absolute;left:-14px;right:-16px;top:-7px;bottom:-5px;border-radius:46% 54% 50% 50% / 55% 48% 52% 45%;background:var(--c);opacity:.55;filter:url(#wcf);z-index:-1}
.cn-mon{font-family:var(--serif);font-style:italic;font-size:19px;color:var(--ink2);margin-left:22px}
.cn-count{margin-left:auto;font-size:12px;font-weight:600;color:var(--muted2);font-variant-numeric:tabular-nums}
.cn-title{font-family:var(--sans);font-weight:700;font-size:20px;line-height:1.25;color:var(--ink);margin-top:16px}
.cn-text{font-family:var(--serif);font-size:17px;line-height:1.5;color:var(--ink2);margin-top:6px}
.cn-more{display:inline-flex;gap:6px;align-items:center;font-size:13px;font-weight:650;color:var(--ink);margin-top:10px;border-bottom:1px solid var(--line2);padding-bottom:1px}
.cn-more span{display:inline-block;transition:transform .3s var(--spring)}
.cn-more:hover{color:var(--coralD);border-color:var(--coralD)}
.cn-more:hover span{transform:translateX(4px)}
.cl-lead circle{fill:rgba(24,25,24,.55)}
.cl-hint{position:absolute;left:50%;top:10px;transform:translateX(-50%);font-size:12px;font-weight:650;color:var(--muted);letter-spacing:.04em;transition:opacity .4s;pointer-events:none;background:rgba(250,249,245,.9);padding:3px 10px;border-radius:99px}
.cl-hint span{display:inline-block;animation:hintBob 1.4s ease-in-out infinite}
@keyframes hintBob{50%{transform:translateY(3px)}}
.cl-hint.off{opacity:0}
/* index.html: the graph sits higher in the window, and the card turns over between milestones */
.climb-track[data-next] .climb-sticky{padding:0 0 calc(40px + 4vh)}
.climb-track[data-next] .cl-stage{height:min(calc(100vh - var(--nav-h) - 170px),700px)}
.climb-track[data-flip] .cn-body{animation:none}
@media (max-width:600px){.cl-lab{display:none}.cl-note{width:72%;padding:12px 14px 12px}.cn-year{font-size:28px}.cn-title{font-size:16px;margin-top:12px}.cn-text{font-size:14.5px}}
@media (prefers-reduced-motion:reduce){.cn-body{animation:none}.cl-note.ready{transition:none}.climb-track{height:auto}.climb-sticky{position:relative;top:auto;height:auto}.cl-stage{height:520px}}
.tl-legend{display:flex;gap:18px;flex-wrap:wrap;margin:14px 0 0}

/* ================= 03 · LEVELS ================= */
.anim text{font-family:var(--sans);font-size:9px;fill:var(--muted)}

/* ================= 04 · LEVEL ONE ================= */
.run{display:flex;flex-direction:column}
.run-body{display:grid;grid-template-columns:minmax(0,330px) minmax(0,1fr);min-height:440px}
@media (max-width:900px){.run-body{grid-template-columns:minmax(0,1fr)}}
.run-chat{padding:16px;border-right:1px solid var(--line);background:var(--paper);display:flex;flex-direction:column;gap:12px}
@media (max-width:900px){.run-chat{border-right:none;border-bottom:1px solid var(--line)}}
.bub{background:var(--card);border:1px solid var(--line2);border-radius:14px 14px 14px 4px;padding:12px 14px;font-size:14px;line-height:1.55;color:var(--ink)}
.bub .who{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);display:flex;justify-content:space-between;margin-bottom:6px}
.bub .who em{font-style:normal;font-variant-numeric:tabular-nums;letter-spacing:0;text-transform:none;color:var(--muted2)}
.bub .file{display:inline-block;font-family:var(--mono);font-size:11px;color:var(--ink2);background:var(--blueW);border-radius:6px;padding:2px 8px;margin-bottom:8px}
.bub #typed{min-height:4.4em}
.caret{display:inline-block;width:2px;height:1.05em;background:var(--ink);vertical-align:-.16em;margin-left:1px;animation:blinkdot 1s steps(1) infinite}
.bub.ai{border-radius:14px 14px 4px 14px;background:#fbfdfb;border-color:rgba(52,126,96,.35);opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.bub.ai.show{opacity:1;transform:none}
.bub.ai p b{font-family:var(--serif);font-weight:400;font-size:18px}
.bub.ai .meta{display:block;font-size:11.5px;color:var(--muted);margin-top:6px;line-height:1.5}
.bub.ai a{font-weight:600}
.run-log{list-style:none;font-size:12.5px;line-height:1.5;color:var(--ink2);display:flex;flex-direction:column;gap:6px}
.run-log li{display:flex;gap:9px;align-items:baseline;opacity:.35;transition:opacity .3s}
.run-log li i{font-style:normal;color:var(--faint);flex:none;width:12px;font-size:12px}
.run-log li b{font-family:var(--mono);font-weight:600;font-size:12px}
.run-log li.act{opacity:1} .run-log li.act i{color:var(--goldD)}
.run-log li.done{opacity:1} .run-log li.done i{color:var(--mintD)}
.run-fig{display:flex;flex-direction:column;min-width:0;padding:10px 12px 12px}
.run-tabs{display:flex;gap:4px;align-items:center}
.run-tabs button{font-family:var(--mono);font-size:11.5px;color:var(--muted);padding:6px 11px;border-radius:8px;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.run-tabs button:hover{color:var(--ink)}
.run-tabs button[aria-selected="true"]{color:var(--ink);background:var(--paper2)}
.run-tabs button.live::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);animation:blinkdot 1s infinite}
@keyframes blinkdot{50%{opacity:.2}}
.run-tabs .replay{margin-left:auto;font-family:var(--sans);font-size:12.5px;font-weight:600;color:var(--ink2);border:1px solid var(--line2);border-radius:999px;padding:5px 12px}
.run-tabs .replay:hover{border-color:var(--ink)}
.run-pane{flex:1;position:relative;margin-top:8px;min-height:360px}
.run-plot{position:absolute;inset:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.run-plot canvas,.run-plot svg{position:absolute;inset:0;width:100%;height:100%}
.run-plot canvas{cursor:crosshair}
.run-plot svg{pointer-events:none;overflow:visible}
.run-text{position:absolute;inset:0;overflow:auto}
.run-text pre{font-family:var(--mono);font-size:12px;line-height:1.8;color:var(--ink2);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 0;min-height:100%;white-space:pre}
.run-text pre .ln{display:block;padding:0 14px}
.ov{transition:opacity .45s}
.ov.out{opacity:0}
.ov .ax{stroke:rgba(24,25,24,.4);stroke-width:1.2}
.ov .gl{stroke:rgba(24,25,24,.06);stroke-width:1}
.ov text{font-family:var(--sans);font-size:11px;fill:var(--muted);paint-order:stroke;stroke:rgba(250,249,245,.92);stroke-width:3.5px;stroke-linejoin:round}
.ov text.note{font-family:var(--serif);font-style:italic;font-size:14px;fill:var(--ink)}
.ov text.num{font-family:var(--serif);font-size:24px;fill:var(--ink)}
svg .draw{stroke-dasharray:var(--l);stroke-dashoffset:var(--l);animation:draw 1.1s var(--ease) forwards;animation-delay:var(--dl,0s)}
svg .fadein{opacity:0;animation:fadein .6s var(--ease) forwards;animation-delay:var(--dl,0s)}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fadein{to{opacity:1}}
@media (prefers-reduced-motion:reduce){svg .draw{animation:none;stroke-dashoffset:0}svg .fadein{animation:none;opacity:1}}

.mini-head{font-family:var(--serif);font-size:21px;color:var(--ink);margin-bottom:12px;line-height:1.3}
.mini-head span{font-family:var(--sans);font-size:14px;color:var(--muted)}
.lean{margin-top:clamp(44px,5vw,64px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(20px,3vw,36px);align-items:center;padding:clamp(18px,2.4vw,26px)}
@media (max-width:860px){.lean{grid-template-columns:minmax(0,1fr)}}
.lean-p{font-size:14.5px;line-height:1.55;margin-bottom:12px}
.lean-p s{color:var(--faint)}
.lean-toggle{position:relative;display:inline-grid;grid-template-columns:repeat(3,1fr);background:var(--paper2);border-radius:999px;padding:4px;margin-bottom:10px}
.lean-toggle button{position:relative;z-index:1;font-size:13px;font-weight:600;color:var(--muted);padding:6px 14px;border-radius:999px;transition:color .3s;white-space:nowrap}
@media (max-width:560px){.lean-toggle{display:grid;width:100%}.lean-toggle button{font-size:12px;padding:6px 4px}}
.lean-toggle button[aria-selected="true"]{color:var(--ink)}
.lean-pill{position:absolute;z-index:0;top:4px;bottom:4px;left:4px;width:calc((100% - 8px) / 3);background:var(--card);border-radius:999px;box-shadow:0 2px 6px rgba(24,25,24,.1);transition:transform .45s var(--spring)}
.lean-toggle[data-on="1"] .lean-pill{transform:translateX(100%)}
.lean-toggle[data-on="2"] .lean-pill{transform:translateX(200%)}
.lean-img img[data-lp="2"]{object-fit:cover}
.lean-img{position:relative;aspect-ratio:1.6/1;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;cursor:zoom-in;transition:box-shadow .3s}
.lean-img:hover{box-shadow:var(--shadow-lift)}
.lean-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .6s var(--ease)}
.lean-img img.on{opacity:1}
.lean-prompt{font-family:var(--mono);font-size:11.5px;line-height:1.7;color:var(--ink2);margin-top:10px;min-height:5em}
.lean-prompt mark{background:none;color:var(--ink);background-image:linear-gradient(transparent 58%,rgba(242,190,82,.5) 58%);background-repeat:no-repeat;background-size:0 100%;transition:background-size .9s var(--ease)}
.lean-prompt.drawn mark{background-size:100% 100%}
.modal .preview{margin-top:12px;border:1px solid var(--line);border-radius:12px;padding:10px;background:var(--card)}
.modal .preview canvas{width:100%;display:block}
.modal table{width:100%;border-collapse:collapse;font-size:13px}
.modal th{text-align:left;color:var(--muted);font-weight:600;font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:8px 10px;border-bottom:1px solid var(--line2)}
.modal td{padding:8px 10px;border-bottom:1px solid var(--line);color:var(--ink2);font-variant-numeric:tabular-nums}
.modal td:first-child{color:var(--ink)}
.modal .ds{font-family:var(--mono);font-size:11px;color:var(--ink2);background:var(--blueW);border-radius:6px;padding:2px 8px;display:inline-block;margin-bottom:10px}

/* ================= 05 · LEVEL TWO ================= */
.con-bar,.h-bar{display:flex;align-items:center;gap:14px;padding:11px 16px;border-bottom:1px solid var(--line);background:var(--card)}
.con-title{font-family:var(--mono);font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.con-time{margin-left:auto;font-size:12px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:7px;white-space:nowrap}
.con-time.is-run{color:var(--goldD)}
.con-time.is-run::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);animation:blinkdot 1s infinite}
.con-time.is-ok{color:var(--mintD)}
.gobtn{width:100%;justify-content:center;margin-top:14px}
.gobtn:disabled{opacity:.5;cursor:default;transform:none}
.lane{display:grid;grid-template-columns:70px minmax(0,1fr) 40px;grid-template-rows:auto auto;gap:4px 12px;align-items:center;font-size:12px;color:var(--muted)}
.lane .ln{font-weight:650;color:var(--ink2)}
.lane .tr{height:9px;background:var(--paper3);border-radius:99px;overflow:hidden}
.lane .tr i{display:block;height:100%;width:100%;transform-origin:left;transform:scaleX(0);background:var(--lc);border-radius:99px;filter:url(#wcf)}
.lane .lg{grid-column:2/4;font-size:11.5px;color:var(--muted2);min-height:1.4em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lane .lg.tick{animation:lgIn .35s var(--ease)}
@keyframes lgIn{from{opacity:0;transform:translateX(-6px)}}
.lane.done .lg{color:var(--mintD)}
.wall-wrap{position:relative;height:clamp(300px,34vw,460px);perspective:1500px;perspective-origin:50% 30%;overflow:hidden;margin-top:8px;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 12%,#000 84%,transparent);mask-image:linear-gradient(180deg,transparent,#000 12%,#000 84%,transparent)}
.wall{position:absolute;left:50%;top:50%;width:max(1400px,118vw);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;transform-style:preserve-3d;
  transform:translate(-50%,-50%) rotateX(var(--rx,34deg)) rotateZ(var(--rz,-10deg)) scale(var(--ws,.9))}
.tile{position:relative;aspect-ratio:16/9;border-radius:10px;overflow:hidden;border:1px solid var(--line2);background:var(--paper2);cursor:pointer;
  box-shadow:0 26px 50px -30px rgba(24,25,24,.5);transition:transform .5s var(--ease),box-shadow .5s;transform-style:preserve-3d}
.tile img{width:100%;height:100%;object-fit:cover;object-position:top;opacity:0;transition:opacity .7s var(--ease)}
.tile.lit img{opacity:1}

/* ================= 06 · LEVEL THREE ================= */
/* (v2: the manager scene's styles are in v2-ending.css) */
.loopdef{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:clamp(20px,4vw,50px);margin-top:clamp(26px,3vw,40px);align-items:start}
@media (max-width:860px){.loopdef{grid-template-columns:minmax(0,1fr)}}
.ld-quote{font-family:var(--serif);font-style:italic;font-size:clamp(19px,2vw,24px);color:var(--ink);line-height:1.4}
.ld-text{font-size:15px;color:var(--ink2);line-height:1.65}

/* ================= 07 · IS IT RIGHT? ================= */
/* (v2: verification lives in v2-ending.css) */

/* ================= 08 · JUDGMENT ================= */
.judge-box{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr)}
@media (max-width:900px){.judge-box{grid-template-columns:minmax(0,1fr)}}
.j-chart{padding:16px 14px 10px;border-right:1px solid var(--line);position:relative}
@media (max-width:900px){.j-chart{border-right:none;border-bottom:1px solid var(--line)}}
.j-title{font-family:var(--sans);font-weight:700;font-size:17px;color:var(--ink);text-align:center;min-height:1.5em;padding:0 10px;transition:opacity .3s}
.j-chart canvas{width:100%;aspect-ratio:720/440;display:block}
@media (max-width:600px){.j-chart canvas{aspect-ratio:1/.92}}
.j-side{padding:18px;display:flex;flex-direction:column;gap:14px;background:var(--card)}
.j-opts{display:flex;flex-direction:column;gap:7px}
.j-opts button{font-family:var(--serif);font-size:16px;text-align:left;line-height:1.35;padding:11px 14px;border-radius:12px;border:1px solid var(--line2);background:var(--paper);color:var(--ink);transition:all .2s;position:relative}
.j-opts button:hover{border-color:var(--ink);transform:translateX(3px)}
.j-opts button[aria-checked="true"]{border-color:var(--ink);background:var(--card);box-shadow:0 0 0 3px rgba(24,25,24,.06)}
.j-opts button[aria-checked="true"].good{border-color:var(--mintD);box-shadow:0 0 0 3px rgba(148,198,178,.4)}
.j-opts button[aria-checked="true"].bad{border-color:var(--coralD);box-shadow:0 0 0 3px rgba(215,124,117,.28)}
.j-verdict{font-size:14.5px;line-height:1.6;color:var(--ink2);border-top:1px solid var(--line);padding-top:12px;min-height:7em}
.j-verdict p{animation:lgIn .4s var(--ease)}

/* ================= 09 · VOICES and 10 · THE LAST HOUR ================= */
/* (v2: both are in v2-ending.css) */

/* (v2: the call to join is the finale, in v2-ending.css) */