.stage.has-activities[data-audience]{height:auto;min-height:100dvh;overflow:visible;display:flex;flex-direction:column}.has-activities .stage-main{flex:1 1}.has-activities .round{display:flex;flex-direction:column}.has-activities .round-mid{flex:1 1}.has-activities .q-card{margin-top:4px}.has-activities .q-text{font-size:clamp(22px,2.5vw,42px)}.journey{z-index:6;gap:10px clamp(14px,1.6vw,26px);flex-wrap:wrap;padding:2px 2px 8px}.journey,.journey-stops{position:relative;display:flex;align-items:center}.journey-stops{gap:clamp(10px,1.3vw,22px);list-style:none;margin:0;padding:0 4px}.journey-stops:before{content:"";position:absolute;left:24px;right:24px;top:50%;border-top:3px dashed color-mix(in srgb,var(--ink) 28%,transparent)}.journey-stops li{position:relative;display:grid;place-items:center}.stop-patch{position:relative;display:block;width:clamp(36px,calc(var(--u) * 4),54px);aspect-ratio:1;border-radius:50%;background:var(--paper);transition:width var(--t-base) var(--ease-out)}.stop-patch .engine-patch{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 2px 2px rgba(60,36,10,.22))}.journey-stops li[data-state=next] .engine-patch{filter:saturate(.35) opacity(.62)}.journey-stops li[data-state=skipped] .engine-patch{filter:grayscale(1) opacity(.4)}.journey-stops li[data-state=partial] .stop-patch,.journey-stops li[data-state=skipped] .stop-patch{outline:2px dashed var(--ink-3);outline-offset:2px}.journey-stops li[data-state=now] .stop-patch{width:clamp(48px,calc(var(--u) * 5.4),72px);box-shadow:0 0 0 4px var(--sun),0 8px 16px -8px rgba(60,36,10,.55)}.stop-check{position:absolute;right:-5px;bottom:-3px;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--leaf-deep);color:#fff;border:2px solid var(--card)}.journey-now{display:flex;align-items:center;gap:10px 16px;min-width:0;flex:1 1}.journey-now>.engine-patch{width:clamp(42px,calc(var(--u) * 4.6),60px);height:auto}.journey-copy{min-width:0}.journey-copy small{display:block;font-size:clamp(11px,calc(var(--u) * 1),14px);font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}.journey-copy b{display:block;font-family:var(--font-display);font-weight:600;font-size:clamp(18px,calc(var(--u) * 2.1),32px);line-height:1.1}.journey-practice{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--sun-soft);border:2px solid #a77800;font-weight:800;font-size:14px;color:#5c4300}.journey-menu{position:relative;margin-left:auto}.journey-menu summary{list-style:none;display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px;border-radius:999px;border:2px solid var(--line-2);background:var(--card);color:var(--ink-2);font-family:var(--font-display);font-weight:600;font-size:16px;box-shadow:0 3px 0 var(--paper-3);cursor:pointer;-webkit-user-select:none;user-select:none}.journey-menu summary::-webkit-details-marker{display:none}.journey-menu summary:hover{color:var(--ink);border-color:var(--ink-3)}.journey-menu summary:focus-visible{outline:4px solid var(--ink);outline-offset:3px}.journey-menu[open] summary{background:var(--paper-2);color:var(--ink)}.journey-menu .menu-chevron{transition:rotate var(--t-base) var(--ease-out)}.journey-menu[open] .menu-chevron{rotate:180deg}.journey-menu-panel{position:absolute;right:0;top:calc(100% + 10px);z-index:40;display:grid;gap:12px;width:min(360px,calc(100vw - 32px));padding:16px;border-radius:22px;background:var(--card);border:2px solid var(--line);box-shadow:var(--shadow-3);text-align:left}.journey-menu-item{display:grid;gap:4px}.journey-menu-item .btn{justify-content:flex-start;width:100%}.journey-menu-item p{padding:0 10px;font-size:14px;line-height:1.35;color:var(--ink-2)}.pips{display:inline-flex;align-items:center;flex-wrap:wrap;gap:6px}.journey-now .pips{flex-wrap:nowrap}.pips i,.tally-legend i{display:inline-block;width:12px;height:12px;border-radius:50%;border:2px solid var(--line-2);background:var(--card)}.pips i[data-state=filled]{background:var(--ink-2);border-color:var(--ink-2)}.pips i[data-now],.pips i[data-state=now]{width:15px;height:15px;border-color:var(--ink);box-shadow:0 0 0 3px var(--sun)}.pips-bar{gap:10px}.pips-track{display:flex;width:clamp(80px,12vw,160px);height:12px;overflow:hidden;border-radius:6px;background:var(--card);box-shadow:inset 0 0 0 2px var(--line-2)}.pips-track>span{height:100%;background:var(--felt-noise),var(--leaf)}.pips-track>span[data-state=supported]{background:var(--felt-noise),var(--sun)}.pips-bar b{font:600 15px/1 var(--font-display);white-space:nowrap;color:var(--ink-2)}.pips i[data-state=correct],.tally-legend i[data-state=correct]{background:var(--leaf);border-color:var(--leaf-deep)}.pips i[data-state=supported],.tally-legend i[data-state=supported]{background:var(--sun);border-color:var(--sun-deep)}.pips i[data-state=skipped],.tally-legend i[data-state=skipped]{background:transparent;border:2px dashed var(--ink-3)}.think-card{position:relative}.think-card .think-patch{position:absolute;top:-22px;right:-18px;width:clamp(56px,calc(var(--u) * 7.4),104px);min-width:0;height:auto;rotate:8deg;filter:drop-shadow(0 6px 6px rgba(60,36,10,.25))}.round-banner.is-stop{gap:clamp(16px,calc(var(--u) * 2.4),40px)}.round-banner .banner-patch{width:clamp(64px,calc(var(--u) * 8.5),140px);height:auto;transform:skewX(6deg) rotate(-6deg)}.round-banner .banner-guide{align-self:flex-end;width:auto;height:clamp(96px,calc(var(--u) * 13),210px);margin:calc(var(--u) * -6) 0 calc(var(--u) * -1.6);filter:drop-shadow(0 10px 10px rgba(0,0,0,.3))}@media (max-width:650px){.round-banner .banner-guide{display:none}}.round-banner.is-stop span small{display:block;margin-bottom:.1em;font-family:var(--font-body);font-size:.32em;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:var(--sun)}.lobby-trail{position:relative;display:flex;justify-content:center;gap:clamp(12px,calc(var(--u) * 2),36px);margin:0;padding:0;list-style:none}.lobby-trail:before{content:"";position:absolute;left:8%;right:8%;top:clamp(26px,calc(var(--u) * 3.2),46px);border-top:3px dashed color-mix(in srgb,var(--ink) 28%,transparent)}.lobby-trail li{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;width:clamp(96px,calc(var(--u) * 13),190px)}.lobby-trail img{width:clamp(52px,calc(var(--u) * 6.4),92px);height:auto;filter:drop-shadow(0 4px 4px rgba(60,36,10,.22))}.lobby-trail b{font-family:var(--font-display);font-weight:600;font-size:clamp(15px,calc(var(--u) * 1.6),26px);line-height:1.1;text-wrap:balance}.lobby-trail small{font-size:clamp(11px,calc(var(--u) * 1.05),15px);font-weight:800;color:var(--ink-2)}.activity-board{position:relative;width:min(100%,1120px);margin:0 auto;padding:16px 24px 14px;border-radius:30px;background:var(--felt-noise),var(--card);box-shadow:var(--shadow-2);text-align:center}.activity-board:after{content:"";position:absolute;inset:8px;border-radius:23px;border:2px dashed var(--stitch);pointer-events:none}.activity-instruction{margin:0 0 12px;font-weight:800;font-size:clamp(15px,1.4vw,21px);color:var(--ink-2)}.activity-board button{touch-action:manipulation}.activity-board button:focus-visible{outline:4px solid var(--ink);outline-offset:4px}.activity-object{width:88px;height:88px;object-fit:contain;flex-shrink:0}.board-foot{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:12px;padding:0 8px}.board-foot:has(>:only-child){justify-content:center}.board-note{margin-top:6px;font-size:14px}.activity-complete{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:clamp(16px,1.4vw,21px)}.activity-counter{font-weight:800;color:var(--ink-2)}.activity-counter b{font-family:var(--font-display);font-size:1.3em;color:var(--ink)}.piece-listen{display:inline-grid;place-items:center;width:44px;height:44px;flex:none;border:2px solid var(--line-2);border-radius:50%;background:var(--card);color:var(--ink);box-shadow:0 3px 0 var(--paper-3)}.activity-notice{z-index:1;flex-wrap:wrap;gap:10px 18px;margin:12px 0 0;padding:12px 16px;background:var(--sun-soft);border:2px solid #a77800;border-radius:18px;font-weight:700}.activity-notice,.felt-piece{position:relative;display:flex;align-items:center;justify-content:center}.felt-piece{flex-direction:column;gap:6px;min-width:80px;min-height:72px;padding:10px 12px;border:2px solid var(--line-2);border-radius:20px;background:var(--card);color:var(--ink);box-shadow:0 5px 0 var(--paper-3);font:600 clamp(17px,1.6vw,26px)/1.15 var(--font-display);overflow-wrap:anywhere;-webkit-hyphens:auto;hyphens:auto;transition:transform var(--t-quick) var(--ease-out),box-shadow var(--t-quick) var(--ease-out),border-color var(--t-base),background-color var(--t-base)}button.felt-piece:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 7px 0 var(--paper-3);border-color:var(--teal-deep)}button.felt-piece:active:not(:disabled){transform:translateY(4px);box-shadow:0 1px 0 var(--paper-3);transition-duration:60ms}.felt-piece:disabled{opacity:1;cursor:default}.felt-piece[draggable=true]{cursor:grab}.felt-piece.active-piece{flex-direction:row;gap:14px;width:auto;min-width:min(300px,100%);padding:12px 18px;background:var(--felt-noise),var(--sun-soft);border-color:var(--sun-deep);box-shadow:0 6px 0 var(--sun-deep),0 18px 26px -18px rgba(92,58,20,.6)}.felt-piece.active-piece>span{font-size:clamp(22px,2vw,32px)}.sort-source{display:flex;align-items:center;justify-content:center;min-height:128px;margin-bottom:14px}.sort-deck{position:relative;isolation:isolate;display:inline-flex;max-width:min(100%,820px)}.sort-deck:after,.sort-deck:before{content:"";position:absolute;inset:0 10px;z-index:-1;border-radius:20px;background:var(--felt-noise),var(--paper-2);border:2px solid color-mix(in srgb,var(--sun-deep) 45%,var(--line-2));display:none}.sort-deck:before{translate:0 9px}.sort-deck:after{inset:0 22px;translate:0 17px;z-index:-2}.sort-deck[data-left="1"]:before,.sort-deck[data-left="2"]:after,.sort-deck[data-left="2"]:before{display:block}.sort-bins{display:grid;grid-template-columns:repeat(var(--bins,2),minmax(0,1fr));gap:14px}.sort-bins[data-count="3"]{--bins:3}.sort-bins[data-count="4"]{--bins:4}.sort-bin{--bin-soft:var(--teal-soft);--bin-deep:var(--teal-deep);position:relative;display:flex;flex-direction:column;align-items:stretch;min-width:0;min-height:150px;padding:0;border:2px solid var(--bin-deep);border-radius:18px 18px 30px 30px;background:var(--felt-noise),var(--bin-soft);color:var(--ink);box-shadow:0 5px 0 var(--bin-deep);overflow:hidden;transition:transform var(--t-quick) var(--ease-out),box-shadow var(--t-quick) var(--ease-out)}.sort-bin[data-bin="1"]{--bin-soft:var(--plum-soft);--bin-deep:var(--plum-deep)}.sort-bin[data-bin="2"]{--bin-soft:var(--amber-soft);--bin-deep:var(--amber-deep)}.sort-bin[data-bin="3"]{--bin-soft:var(--sky-soft);--bin-deep:var(--sky-deep)}.sort-bin strong{display:block;padding:10px 12px;background:color-mix(in srgb,var(--card) 62%,var(--bin-soft));border-bottom:2px dashed color-mix(in srgb,var(--bin-deep) 55%,transparent);font:600 clamp(18px,1.7vw,27px)/1.1 var(--font-display)}.sort-bin:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 7px 0 var(--bin-deep)}.sort-bin:active:not(:disabled){transform:translateY(4px);box-shadow:0 1px 0 var(--bin-deep);transition-duration:60ms}.sort-bin:disabled{cursor:default}.sort-bins[data-dragging=true] .sort-bin{box-shadow:0 5px 0 var(--bin-deep),0 0 0 4px var(--sun)}.bin-pieces{flex:1 1;display:flex;align-content:flex-start;justify-content:center;flex-wrap:wrap;gap:8px;padding:12px 10px 14px;box-shadow:inset 0 10px 12px -10px rgba(60,36,10,.35)}.sorted-piece{display:flex;flex-direction:column;align-items:center;gap:2px;padding:5px 8px;border-radius:12px;background:var(--card);box-shadow:0 2px 0 rgba(60,36,10,.16);font:800 14px/1.15 var(--font-body)}.sorted-piece .activity-object{width:46px;height:46px}.match-workspace{display:grid;grid-template-columns:minmax(0,1fr) 64px minmax(0,2fr);align-items:center;gap:12px}.match-left .active-piece{flex-direction:column;width:100%;min-width:0;min-height:160px}.match-thread{position:relative;height:0;border-top:4px dashed var(--teal-deep)}.match-thread:after,.match-thread:before{content:"";position:absolute;top:-8px;width:12px;height:12px;border-radius:50%;background:var(--teal-deep)}.match-thread:before{left:-4px}.match-thread:after{right:-4px}.match-options{display:grid;grid-template-columns:repeat(var(--c,3),minmax(0,1fr));gap:12px}.match-options[data-count="2"],.match-options[data-count="4"]{--c:2}.match-options .felt-piece{min-height:100px}.match-options .felt-piece.used{opacity:.38;box-shadow:none}.paired-strip{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:16px 0 0;padding:0;list-style:none}.paired-strip li{padding:5px;border-radius:16px;background:var(--teal-soft)}.pair-half,.paired-strip li{display:flex;align-items:center}.pair-half{gap:6px;padding:4px 10px;border-radius:11px;background:var(--card);font:600 17px/1.1 var(--font-display)}.pair-half .activity-object{width:34px;height:34px}.pair-stitch{width:22px;border-top:3px dashed var(--teal-deep)}.memory-target{display:inline-flex;align-items:center;gap:12px;margin:0 auto 14px;padding:6px 8px 6px 18px;border:2px solid #a77800;border-radius:999px;background:var(--sun-soft)}.memory-target-label{font-weight:800;color:#5c4300}.memory-target-piece{display:inline-flex;align-items:center;gap:8px;font:600 clamp(20px,1.9vw,30px)/1 var(--font-display)}.memory-target-piece .activity-object{width:58px;height:58px}.memory-grid{display:grid;grid-template-columns:repeat(var(--cols,4),minmax(0,1fr));gap:12px;max-width:calc(var(--cols, 4) * 176px);margin:0 auto}.memory-card{min-height:118px;overflow:hidden}.memory-card:not(.face-up){background:var(--felt-noise),var(--teal);border-color:var(--teal-deep);box-shadow:0 5px 0 var(--teal-deep)}.card-back{position:absolute;inset:0;display:grid;place-items:center}.card-back:before{content:"";position:absolute;inset:7px;border:2px dashed rgba(255,255,255,.6);border-radius:14px}.card-back img{width:52%;max-width:66px}.card-back b{position:absolute;top:12px;left:12px;display:grid;place-items:center;min-width:28px;height:28px;border-radius:50%;background:var(--card);color:var(--ink);font:700 16px/1 var(--font-display)}.memory-card.face-up{animation:card-flip .34s var(--ease-out)}.memory-card.face-up .activity-object{width:64px;height:64px}.memory-card.matched{background:var(--leaf-soft);border-color:var(--leaf-deep);box-shadow:0 5px 0 var(--leaf-deep)}@keyframes card-flip{0%{transform:perspective(600px) rotateY(80deg)}to{transform:none}}.sequence-pool{display:flex;align-items:stretch;justify-content:center;flex-wrap:wrap;gap:12px;min-height:110px;margin:2px 0 14px}.sequence-pool .felt-piece{flex:0 1 210px}.sequence-pool .activity-complete{align-self:center}.sequence-slots{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:28px;margin:0;padding:14px 18px;border-radius:24px;background:var(--felt-noise),color-mix(in srgb,var(--teal-soft) 75%,var(--card));list-style:none}.sequence-slots li{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-width:0;min-height:150px;padding:34px 8px 10px;border:2px dashed color-mix(in srgb,var(--teal-deep) 45%,transparent);border-radius:18px;background:rgba(255,253,248,.5);font:600 clamp(16px,1.5vw,23px)/1.15 var(--font-display);overflow-wrap:anywhere}.sequence-slots li:not(:last-child):after{content:"";position:absolute;top:50%;right:-20px;width:12px;height:12px;border-top:4px solid var(--teal-deep);border-right:4px solid var(--teal-deep);border-radius:2px;transform:translateY(-50%) rotate(45deg)}.sequence-slots b{position:absolute;top:8px;left:50%;translate:-50% 0;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font-size:16px}.sequence-slots li[data-state=empty] b{background:var(--paper-3);color:var(--ink-2)}.sequence-slots li[data-state=next]{border:3px solid var(--sun-deep);background:var(--sun-soft)}.sequence-slots li[data-state=filled]{border:2px solid var(--teal-deep);background:var(--card);box-shadow:0 4px 0 color-mix(in srgb,var(--teal-deep) 40%,transparent)}.slot-hint{font:700 15px/1.2 var(--font-body);color:#5c4300}.hunt-scene{position:relative;height:clamp(360px,42vw,520px);border-radius:22px;background:url(/art/engines/woodland.webp) 50%/cover;overflow:hidden;box-shadow:inset 0 0 0 3px rgba(255,255,255,.45)}.hunt-object{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;width:15%;min-width:68px;max-width:142px;padding:6px 4px 4px;border:0;border-radius:24px;background:transparent;color:var(--ink);transition:background-color var(--t-base)}.hunt-object .activity-object{width:100%;height:clamp(60px,9vw,110px);filter:drop-shadow(2px 0 0 #fffdf8) drop-shadow(-2px 0 0 #fffdf8) drop-shadow(0 2px 0 #fffdf8) drop-shadow(0 -2px 0 #fffdf8) drop-shadow(0 5px 4px #44382155);transition:transform var(--t-quick) var(--ease-out)}.hunt-object:hover:not(:disabled) .activity-object{transform:translateY(-3px) scale(1.04)}.hunt-object>span:not(.found-mark){margin-top:2px;padding:3px 10px;border-radius:10px;background:var(--card);box-shadow:0 2px 0 rgba(60,36,10,.2);font:800 clamp(13px,1.2vw,18px)/1.2 var(--font-body)}.hunt-object.found{background:rgba(255,241,199,.82);box-shadow:0 0 0 4px var(--sun),0 0 0 7px var(--ink)}.hunt-object.found>span:not(.found-mark){background:var(--sun)}.found-mark{position:absolute;top:-8px;right:-8px;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;border:2px solid var(--card)}.math-controls{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;margin:14px 0 4px}.math-step{min-width:80px;font-size:24px}.math-controls output{display:grid;place-items:center;min-width:86px;height:86px;padding:0 10px;border-radius:43px;background:var(--card);box-shadow:inset 0 0 0 3px var(--ink),0 4px 0 var(--paper-3);font:600 42px/1 var(--font-display)}.fraction-label{display:inline-grid;justify-items:center;font-size:30px;line-height:1}.fraction-label span:first-child{padding:0 8px 3px;border-bottom:3px solid var(--ink)}.fraction-label span:last-child{padding-top:3px}.ten-frames{display:flex;justify-content:center;flex-wrap:wrap;gap:24px;margin:12px auto}.ten-frame{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;width:min(46%,420px);padding:10px;border-radius:18px;background:var(--felt-noise),#9b6a3c;box-shadow:0 6px 0 #6e4825}.counter-cell{display:grid;place-items:center;aspect-ratio:1;min-height:44px;padding:5px;border:0;border-radius:12px;background:var(--felt-noise),#fbf3e3;box-shadow:inset 0 4px 6px rgba(60,36,10,.28)}.counter-cell img{width:86%;max-height:66px;object-fit:contain;filter:drop-shadow(0 2px 1px rgba(60,36,10,.3))}.counter-cell:hover:not(:disabled){background:var(--felt-noise),#fff8e7}.fraction-bar{display:grid;width:min(100%,760px);margin:28px auto 10px;overflow:hidden;border:4px solid var(--ink);border-radius:18px;background:var(--card);box-shadow:0 6px 0 var(--paper-3)}.fraction-bar button{display:grid;place-items:center;height:130px;min-width:0;border:0;border-right:3px dashed color-mix(in srgb,var(--ink) 45%,transparent);background:var(--felt-noise),var(--card);color:var(--ink)}.fraction-bar button:last-child{border-right:0}.fraction-bar button.filled{background:var(--felt-noise),radial-gradient(120% 90% at 50% 15%,#ffd765,var(--sun) 60%,#f4b52a);box-shadow:inset 0 -7px 0 rgba(150,95,0,.2)}.fraction-bar button.filled:after{content:"";position:absolute;inset:9px;border:2px dashed rgba(120,75,0,.38);border-radius:10px;pointer-events:none}.fraction-bar button{position:relative}.fraction-bar button:hover:not(:disabled):not(.filled){background:var(--felt-noise),var(--sun-soft)}.number-line-wrap{--lt:108px;position:relative;margin:6px 14px 16px}.number-hops{position:absolute;left:0;right:0;top:calc(var(--lt) - 50px);width:100%;height:46px;overflow:visible;pointer-events:none}.number-hops path{fill:none;stroke:var(--sun-deep);stroke-width:3.5;stroke-dasharray:7 5;stroke-linecap:round}.number-hops path[data-back]{stroke:var(--plum)}.number-line{display:flex;margin:0;padding:var(--lt) 0 0;list-style:none}.number-line li{position:relative;flex:1 1;min-width:0;padding-top:14px;border-top:5px solid var(--ink);font:600 clamp(14px,1.3vw,20px)/1 var(--font-display)}.number-line li:first-child{border-top-left-radius:3px}.number-line li:before{content:"";position:absolute;top:-12px;left:50%;width:3px;height:18px;translate:-50% 0;background:var(--ink);border-radius:2px}.number-line li span{display:inline-grid;place-items:center;min-width:1.9em;height:1.9em;border-radius:50%}.number-line [data-current=true] span{background:var(--sun);box-shadow:0 0 0 3px var(--ink)}.number-line [data-start] span{box-shadow:inset 0 0 0 2px var(--ink-3);background:var(--card)}.number-line img{position:absolute;bottom:calc(100% + 5px);left:50%;width:72px;max-width:none;height:88px;object-fit:contain;translate:-50% 0;z-index:1}.balance-model{position:relative;width:min(82%,560px);height:270px;margin:6px auto 0}.balance-beam{left:14%;right:14%;top:34px;z-index:2;height:12px;border-radius:6px;background:var(--felt-noise),#8a5a2b;transform:rotate(var(--tilt))}.balance-beam,.balance-pan{position:absolute;transition:transform .55s var(--ease-pop)}.balance-pan{top:6px;display:flex;flex-direction:column;align-items:center;width:170px;transform:translateX(-50%) rotate(calc(var(--tilt) * -1));transform-origin:50% 0}.pan-left{left:0}.pan-right{left:100%}.pan-strings{display:block;width:124px;height:64px;overflow:visible}.pan-strings path{fill:none;stroke:var(--ink-3);stroke-width:2.5}.pan-strings circle{fill:var(--ink)}.pan-bowl{align-items:flex-end;width:100%;min-height:66px;padding:6px 12px 14px;border-top:6px solid #8a5a2b;border-radius:0 0 85px 85px/0 0 58px 58px;background:var(--felt-noise),#e9d7b5;box-shadow:inset 0 -8px 10px -6px rgba(60,36,10,.3)}.pan-bowl,.pan-counters{display:flex;justify-content:center}.pan-counters{flex-wrap:wrap-reverse;gap:2px}.pan-counters img{width:24px;height:24px}.balance-pan b{margin-top:6px;display:grid;place-items:center;min-width:44px;height:44px;border-radius:22px;background:var(--card);box-shadow:inset 0 0 0 3px var(--ink-2);font:600 26px/1 var(--font-display)}.balance-stand{position:absolute;left:50%;top:40px;bottom:6px;width:14px;translate:-50% 0;border-radius:7px 7px 0 0;background:var(--felt-noise),#8a5a2b}.balance-stand:before{top:-10px;width:22px;height:22px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 3px #6e4825}.balance-stand:after,.balance-stand:before{content:"";position:absolute;left:50%;translate:-50% 0}.balance-stand:after{bottom:-6px;width:130px;height:18px;border-radius:10px 10px 6px 6px;background:var(--felt-noise),#8a5a2b}.puzzle-play{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:18px 30px}.puzzle-grid{display:grid;gap:6px;width:min(100%,470px);padding:12px;border-radius:26px;background:var(--felt-noise),#6f9a4f;box-shadow:inset 0 0 0 3px rgba(255,255,255,.25),0 6px 0 #4f7434}.puzzle-cell{position:relative;display:grid;place-items:center;aspect-ratio:1.12;min-width:44px;min-height:48px;padding:6px;border:0;border-radius:14px;background:var(--felt-noise),#a8c98a;box-shadow:inset 0 -4px 0 rgba(40,70,20,.2);color:var(--ink)}.puzzle-cell.visited{background:var(--felt-noise),#ecdcb6;box-shadow:inset 0 -4px 0 rgba(120,80,30,.2)}.puzzle-cell.rock{background:var(--felt-noise),#93b577}.puzzle-cell.reachable{outline:3px dashed var(--sun);outline-offset:-7px}.puzzle-cell.reachable:hover{background:var(--felt-noise),#fff1c7}.puzzle-cell:disabled{cursor:default}.puzzle-cell[aria-current=location]{box-shadow:inset 0 0 0 4px var(--sun),inset 0 -4px 0 rgba(120,80,30,.2)}.puzzle-cell img{position:relative;z-index:2;width:62%;max-width:56px;height:auto;object-fit:contain}.puzzle-cell img.puzzle-fox{width:80%;max-width:68px;filter:drop-shadow(0 3px 2px rgba(60,36,10,.35))}.puzzle-cell img.collected{opacity:.4;scale:.8}.trail{inset:0;z-index:1;pointer-events:none}.trail,.trail i{position:absolute}.trail-n,.trail-s{left:50%;width:0;border-left:4px dashed #a8692d;translate:-2px 0}.trail-e,.trail-w{top:50%;height:0;border-top:4px dashed #a8692d;translate:0 -2px}.trail-n{top:-7px;bottom:50%}.trail-s{top:50%;bottom:-7px}.trail-w{left:-7px;right:50%}.trail-e{left:50%;right:-7px}.puzzle-controls{display:flex;flex-direction:column;align-items:center;gap:12px}.dpad{display:grid;grid-template-areas:". n ." "w hub e" ". s .";gap:6px;align-items:center;justify-items:center}.dpad [data-dir=n]{grid-area:n}.dpad [data-dir=w]{grid-area:w}.dpad [data-dir=e]{grid-area:e}.dpad [data-dir=s]{grid-area:s}.dpad .btn{flex-direction:column;gap:0;min-width:84px;min-height:66px;padding:6px 10px;border-radius:18px;font-size:15px}.dpad-hub{grid-area:hub;width:54px}.lab-board{max-width:920px}.lab-board>.lab-record{position:relative;z-index:1;margin-top:10px}.observation{position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;margin:12px auto 2px;padding:8px 18px;border-radius:14px;background:var(--card);border:2px solid var(--line-2);box-shadow:0 3px 0 var(--paper-3);font-size:clamp(17px,1.5vw,22px);font-weight:800}.observation strong{font-family:var(--font-display);font-size:1.4em;line-height:1}.shadow-model{position:relative;height:230px;margin:6px auto 8px;overflow:hidden;border-radius:22px;background:linear-gradient(#f1e7d4,#e7d8bd);box-shadow:inset 0 -24px 0 #d6bf98}.light-beam{position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,207,77,.9),rgba(255,233,160,.45));transition:clip-path .4s var(--ease-out)}.lab-torch{top:52%;width:7.5%;min-width:46px;translate:0 -50%;transition:left .4s var(--ease-out)}.lab-object,.lab-torch{position:absolute;z-index:2}.lab-object{left:47%;bottom:20px;width:9%;min-width:52px;translate:-50% 0}.shadow-screen{position:absolute;left:74%;top:6%;bottom:10%;z-index:1;display:flex;align-items:flex-end;justify-content:center;width:23%;overflow:hidden;border:5px solid var(--ink-2);border-radius:10px;background:#fff7dc}.shadow-cast{width:auto;max-width:none;object-fit:contain;filter:brightness(0);opacity:.62;transition:height .4s var(--ease-out)}.shadow-ruler{position:absolute;left:calc(10% + 20px);width:20%;bottom:7px;z-index:3;display:flex;justify-content:space-between;margin:0;padding:0;list-style:none}.shadow-ruler li{width:10px;height:10px;border-radius:50%;background:#b79a6c}.shadow-ruler li[data-on]{background:var(--ink);box-shadow:0 0 0 3px var(--sun)}.lab-slider{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:4px;font-weight:900}.lab-slider input{width:min(100%,520px);min-height:44px;accent-color:var(--ink)}.slider-ends{display:flex;justify-content:space-between;width:min(100%,520px);font-weight:800;font-size:15px;color:var(--ink-2)}.circuit-model{position:relative;z-index:1;display:grid;justify-items:center;gap:12px;width:min(100%,640px);margin:6px auto}.circuit-drawing{width:100%;height:auto;max-height:250px;overflow:visible}.circuit-drawing .wire path{fill:none;stroke:#b0662a;stroke-width:9;stroke-linecap:round;stroke-linejoin:round}.circuit-drawing .current{fill:none;stroke:#ffe07a;stroke-width:4;stroke-dasharray:2 16;stroke-linecap:round;animation:current-flow 1.1s linear infinite}@keyframes current-flow{to{stroke-dashoffset:-36}}.stage.is-paused .circuit-drawing .current{animation-play-state:paused}.circuit-drawing .battery rect:first-child{fill:var(--ink)}.circuit-drawing .battery rect:last-of-type{fill:#9aa0b5}.circuit-drawing text{font:700 22px var(--font-display);text-anchor:middle;dominant-baseline:central}.circuit-drawing .battery text{fill:#fff}.circuit-drawing .glass{fill:#ebe7dc;stroke:var(--ink-2);stroke-width:4}.circuit-drawing .filament{fill:none;stroke:var(--ink-3);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}.circuit-drawing .bulb.on .glass{fill:var(--sun);stroke:var(--sun-deep)}.circuit-drawing .bulb.on .filament{stroke:var(--tomato-deep)}.circuit-drawing .glow{fill:var(--sun);opacity:.38}.circuit-drawing .cap{fill:#9aa0b5;stroke:var(--ink-2);stroke-width:3}.circuit-drawing .cap-thread{stroke:var(--ink-2);stroke-width:2}.circuit-drawing .switch circle{fill:var(--card);stroke:var(--ink);stroke-width:4}.circuit-drawing .lever{stroke:var(--ink);stroke-width:8;stroke-linecap:round}.circuit-drawing .switch-number circle{fill:var(--sun);stroke:none}.circuit-drawing .switch-number text{font-size:17px;fill:var(--ink)}.circuit-switches{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}.switch-toggle .toggle{position:relative;width:42px;height:24px;flex:none;border-radius:12px;background:var(--paper-3);box-shadow:inset 0 0 0 2px var(--line-2);transition:background-color var(--t-base)}.switch-toggle .toggle:after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--card);box-shadow:0 1px 2px rgba(0,0,0,.3);transition:translate var(--t-base) var(--ease-out)}.switch-toggle[aria-pressed=true] .toggle{background:var(--ink)}.switch-toggle[aria-pressed=true] .toggle:after{translate:18px 0}.water-tank{position:relative;width:min(100%,560px);height:230px;margin:6px auto;overflow:hidden;border:6px solid rgba(71,76,104,.5);border-top:0;border-radius:0 0 30px 30px;background:linear-gradient(rgba(255,255,255,.7),rgba(255,255,255,.35))}.water{z-index:2;background:linear-gradient(rgba(150,210,228,.42),rgba(84,165,196,.55));border-top:3px dashed rgba(255,255,255,.95);pointer-events:none}.water,.water-tank:before{position:absolute;left:0;right:0;bottom:0;top:34%}.water-tank:before{content:"";background:var(--felt-noise),linear-gradient(#cfeaf2,#9fd0e2)}.sample{position:absolute;left:50%;z-index:1;width:96px;height:96px;object-fit:contain;translate:-50% 0;transition:top .8s var(--ease-pop)}.sample.floats{top:calc(34% - 48px)}.sample-cork.floats{top:calc(34% - 70px)}.sample.sinks{top:calc(100% - 100px)}.lab-samples{position:relative;z-index:1;display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.lab-samples .btn{padding-left:8px}.lab-samples .btn img{width:38px;height:38px}.lab-samples .btn[aria-pressed=true]{--bg:var(--sun-soft);--bd:var(--sun-deep);--edge:var(--sun-deep)}.sheet-journey{position:relative;display:grid;gap:10px;margin:16px 0;padding:0;list-style:none}.sheet-journey:before{content:"";position:absolute;left:27px;top:30px;bottom:30px;border-left:3px dashed var(--line-2)}.sheet-journey li{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);align-items:start;gap:14px}.sheet-journey .engine-patch{width:56px;height:56px;background:var(--card);border-radius:50%}.sheet-journey h3{font-size:20px;margin:2px 0}.sheet-journey p{color:var(--ink-2);font-size:16px}.sheet-journey li[data-off] .engine-patch{filter:grayscale(.85) opacity(.45)}.sheet-journey li[data-off] h3{color:var(--ink-2)}.sheet-journey .eyebrow{font-size:12px}.journey-tally ol{display:grid;gap:8px;margin:calc(var(--u) * 1.4) 0 0;padding:0;list-style:none}.journey-tally li{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:8px 18px 8px 8px;border-radius:20px;background:var(--card);box-shadow:var(--shadow-1)}.journey-tally .engine-patch{width:clamp(40px,calc(var(--u) * 4.4),56px);height:auto}.journey-tally h3{font-size:clamp(17px,calc(var(--u) * 1.7),25px)}.journey-tally p{font-size:clamp(13px,calc(var(--u) * 1.15),16px);font-weight:700;color:var(--ink-2)}.journey-tally .pips{max-width:230px;justify-content:flex-end}.journey-tally .pips i{width:14px;height:14px}.tally-legend{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:10px;font-size:14px;font-weight:700;color:var(--ink-2)}.tally-legend span{display:inline-flex;align-items:center;gap:6px}.activity-editor{border:2px dashed var(--line-2);border-radius:15px;padding:15px;margin:12px 0}.activity-editor .form-grid{margin:8px 0}@media (min-width:1200px) and (min-height:780px){.has-activities .activity-board{padding:18px 28px 16px}}@media (max-width:650px){.journey{gap:8px 10px}.journey-stops{gap:7px}.stop-patch{width:30px}.journey-stops li[data-state=now] .stop-patch{width:40px}.stop-check{width:18px;height:18px;right:-4px}.stop-check svg{width:11px}.lobby-trail{flex-wrap:wrap;row-gap:14px}.lobby-trail:before{display:none}.journey-stops{order:1}.journey-menu{order:2}.journey[data-many] .journey-now{order:3;flex-basis:100%}.journey:not([data-many]) .journey-now{flex-wrap:wrap;row-gap:6px}.journey:not([data-many]) .journey-copy{flex:1 1}.journey:not([data-many]) .journey-now .pips{order:3;flex-basis:100%}.pips-bar .pips-track{flex:1 1}.journey-practice{order:4}.journey-menu summary{padding:0 12px}.journey-menu summary>span{display:none}.journey-copy b{font-size:18px}.think-card .think-patch{top:-16px;right:-6px;width:58px}.activity-board{padding:12px 10px;border-radius:22px}.activity-board:after{inset:6px;border-radius:17px}.activity-object{width:60px;height:60px}.felt-piece.active-piece{min-width:0}.sort-source{min-height:104px}.sort-bins,.sort-bins[data-count="3"],.sort-bins[data-count="4"]{--bins:2}.sort-bin{min-height:120px}.sorted-piece .activity-object{width:38px;height:38px}.match-workspace{grid-template-columns:1fr;gap:8px}.match-thread{width:0;height:26px;margin:0 auto;border-top:0;border-left:4px dashed var(--teal-deep)}.match-thread:after,.match-thread:before{left:-8px;right:auto}.match-thread:before{top:-4px}.match-thread:after{top:auto;bottom:-4px}.match-left .active-piece{flex-direction:row;min-height:0;width:auto;margin:auto}.match-options{--c:2}.memory-grid{grid-template-columns:repeat(var(--cols-sm,3),minmax(0,1fr))}.memory-card{min-height:96px;font-size:15px}.memory-card.face-up .activity-object{width:46px;height:46px}.memory-target{padding-left:12px;gap:8px}.sequence-pool .felt-piece{flex-basis:40%}.sequence-slots{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 22px;padding:10px}.sequence-slots li{min-height:116px}.sequence-slots li:nth-child(2n):after{display:none}.sequence-slots li:not(:last-child):after{right:-16px}.hunt-scene{height:430px}.hunt-object{width:22%}.hunt-object .activity-object{height:66px}.ten-frames{flex-direction:column;align-items:center;gap:14px}.ten-frame{width:100%;max-width:350px}.fraction-bar button{height:100px}.number-line-wrap{--lt:84px;margin-inline:0}.number-line{font-size:12px}.number-line li{padding-top:10px;font-size:12px}.number-line li span{min-width:1.6em;height:1.6em}.number-line img{width:50px;height:64px}.number-hops{height:34px;top:calc(var(--lt) - 37px)}.math-controls output{min-width:72px;height:72px;font-size:34px}.balance-model{width:84%;height:230px}.balance-pan{width:108px}.pan-strings{width:92px;height:50px}.pan-counters img{width:18px;height:18px}.puzzle-grid{width:100%}.shadow-model{height:190px}.water-tank{height:200px}.circuit-switches .btn{width:100%}.sheet-journey h3{font-size:18px}.journey-tally li{grid-template-columns:auto minmax(0,1fr)}.journey-tally .pips{grid-column:2;justify-content:flex-start}}@media (prefers-reduced-motion:reduce){.activity-board *,.journey *{transition:none!important;animation:none!important}}[data-motion=reduced] .activity-board *,[data-motion=reduced] .journey *{transition:none!important;animation:none!important}@media (min-width:900px) and (min-height:650px){.stage.has-activities[data-audience]:not(.phase-lobby):not(.phase-done){height:auto;min-height:100dvh;overflow:visible}.stage.has-activities[data-audience] .stage-main{padding-top:2px;padding-bottom:2px;min-height:auto}.stage.has-activities[data-audience] .q-card{margin-top:0;padding-block:10px}.stage.has-activities[data-audience] .round{gap:10px;min-height:auto}.stage.has-activities[data-audience] .round-mid{min-height:auto}.stage.has-activities[data-audience] .q-text{font-size:clamp(24px,2vw,36px)}.stage.has-activities[data-audience] .class-bar{padding-block:6px;gap:16px}.stage.has-activities[data-audience] .class-crew{height:60px}.stage.has-activities[data-audience] .class-jar{padding:6px 20px}.stage.has-activities[data-audience] .class-jar .star-icon{width:34px}.stage.has-activities[data-audience] .jar-num{font-size:30px}.stage.has-activities[data-audience] .class-best b{font-size:24px}.stage.has-activities[data-audience] .dock{grid-template-columns:minmax(0,1fr) auto;min-height:74px;gap:12px}.stage.has-activities[data-audience] .dock-actions{gap:8px}.stage.has-activities[data-audience] .primary-cta{padding:12px 20px;font-size:21px}.stage.has-activities[data-audience] .activity-board{padding:12px 18px}.stage.has-activities[data-audience] .hunt-scene{height:clamp(260px,40vh,440px)}.stage.has-activities[data-audience] .hunt-object .activity-object{height:clamp(58px,8vh,92px)}.stage.has-activities[data-audience] .puzzle-grid{width:clamp(260px,36vh,380px)}.stage.has-activities[data-audience] .puzzle-cell{min-height:44px}.stage.has-activities[data-audience] .round:has(.activity-board){display:grid;grid-template-columns:minmax(0,2fr) minmax(270px,1fr);grid-template-rows:auto minmax(min-content,1fr);gap:12px 18px}.stage.has-activities[data-audience] .round:has(.activity-board) .q-card{grid-column:1/-1}.stage.has-activities[data-audience] .round:has(.activity-board) .round-mid{grid-column:1;grid-row:2}.stage.has-activities[data-audience] .round:has(.activity-board) .dock{grid-column:2;grid-row:2;display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:14px}.stage.has-activities[data-audience] .round:has(.activity-board) .dock-actions{justify-content:flex-start}.stage.has-activities[data-audience] .round:has(.activity-board) .primary-cta{width:100%}}@media (min-width:900px) and (min-height:650px) and (max-height:950px){.stage.has-activities[data-audience] .bunting{height:10px}.stage.has-activities[data-audience] .stage-title h1{font-size:17px}.stage.has-activities[data-audience] .journey{padding-bottom:4px}.stage.has-activities[data-audience] .stop-patch{width:34px}.stage.has-activities[data-audience] .journey-stops li[data-state=now] .stop-patch{width:44px}.stage.has-activities[data-audience] .journey-copy b{font-size:19px}.stage.has-activities[data-audience] .journey-copy small{font-size:11px}.stage.has-activities[data-audience] .journey-menu summary{min-height:44px;font-size:15px}.stage.has-activities[data-audience] .q-card{padding-block:6px}.stage.has-activities[data-audience] .q-label{margin-bottom:4px}.stage.has-activities[data-audience] .question-listen{min-height:54px;width:60px;padding:6px;font-size:12px}.stage.has-activities[data-audience] .round-mid{padding-block:0}.stage.has-activities[data-audience] .dock-actions{max-width:390px}.stage.has-activities[data-audience] .hint-card{padding:8px 12px;gap:10px}.stage.has-activities[data-audience] .hint-card strong{font-size:19px}.stage.has-activities[data-audience] .hint-card p{font-size:17px}.stage.has-activities[data-audience] .hint-icon{width:36px}.stage.has-activities[data-audience] .q-kicker{margin-bottom:2px}.stage.has-activities[data-audience] .q-text{font-size:24px}.stage.has-activities[data-audience] .class-crew{height:48px}.stage.has-activities[data-audience] .class-bar{padding-block:4px}.stage.has-activities[data-audience] .activity-board{padding:10px 14px}.stage.has-activities[data-audience] .activity-board:after{inset:6px}.stage.has-activities[data-audience] .activity-instruction{font-size:16px;margin-bottom:6px}.stage.has-activities[data-audience] .board-foot{margin-top:6px}.stage.has-activities[data-audience] .board-foot .btn{min-height:44px}.stage.has-activities[data-audience] .board-note{margin-top:2px;font-size:13px}.stage.has-activities[data-audience] .activity-object{width:55px;height:55px}.stage.has-activities[data-audience] .felt-piece{padding:6px 8px;font-size:18px;min-height:60px}.stage.has-activities[data-audience] .felt-piece.active-piece{padding:6px 16px}.stage.has-activities[data-audience] .felt-piece.active-piece>span{font-size:22px}.stage.has-activities[data-audience] .sort-source{min-height:80px;margin-bottom:8px}.stage.has-activities[data-audience] .sort-bin{min-height:104px}.stage.has-activities[data-audience] .sort-bin strong{padding:6px 10px;font-size:19px}.stage.has-activities[data-audience] .bin-pieces{padding:8px;gap:6px}.stage.has-activities[data-audience] .sorted-piece .activity-object{height:36px;width:36px}.stage.has-activities[data-audience] .match-left .active-piece{min-height:120px}.stage.has-activities[data-audience] .match-options .felt-piece{min-height:76px}.stage.has-activities[data-audience] .paired-strip{margin-top:8px}.stage.has-activities[data-audience] .memory-target{margin-bottom:8px;padding-block:3px}.stage.has-activities[data-audience] .memory-target-piece .activity-object{width:40px;height:40px}.stage.has-activities[data-audience] .memory-grid{gap:8px}.stage.has-activities[data-audience] .memory-card{min-height:78px}.stage.has-activities[data-audience] .memory-card.face-up .activity-object{width:42px;height:42px}.stage.has-activities[data-audience] .card-back b{top:6px;left:6px;min-width:24px;height:24px;font-size:14px}.stage.has-activities[data-audience] .card-back img{width:42%}.stage.has-activities[data-audience] .sequence-pool{min-height:0;margin-bottom:8px;gap:8px}.stage.has-activities[data-audience] .sequence-slots{padding:8px 12px;gap:22px}.stage.has-activities[data-audience] .sequence-slots li{min-height:100px;padding:28px 6px 6px}.stage.has-activities[data-audience] .sequence-slots li:not(:last-child):after{right:-17px}.stage.has-activities[data-audience] .sequence-slots b{width:24px;height:24px;top:5px;font-size:14px}.stage.has-activities[data-audience] .ten-frames{margin:6px auto;gap:16px}.stage.has-activities[data-audience] .ten-frame{width:280px;padding:7px;gap:5px}.stage.has-activities[data-audience] .counter-cell{min-height:40px}.stage.has-activities[data-audience] .math-controls{margin-block:6px 0;gap:10px}.stage.has-activities[data-audience] .math-controls output{min-width:66px;height:66px;font-size:32px}.stage.has-activities[data-audience] .fraction-label{font-size:22px}.stage.has-activities[data-audience] .math-step{min-height:48px}.stage.has-activities[data-audience] .fraction-bar{margin:14px auto 6px}.stage.has-activities[data-audience] .fraction-bar button{height:86px}.stage.has-activities[data-audience] .number-line-wrap{--lt:80px;margin-block:2px 8px}.stage.has-activities[data-audience] .number-line img{height:64px;width:52px}.stage.has-activities[data-audience] .number-hops{height:34px;top:calc(var(--lt) - 37px)}.stage.has-activities[data-audience] .balance-model{height:200px;margin-top:0}.stage.has-activities[data-audience] .balance-pan{width:136px}.stage.has-activities[data-audience] .pan-strings{width:100px;height:42px}.stage.has-activities[data-audience] .pan-bowl{min-height:52px;padding-bottom:10px}.stage.has-activities[data-audience] .pan-counters img{width:19px;height:19px}.stage.has-activities[data-audience] .balance-pan b{height:36px;min-width:36px;font-size:21px;margin-top:3px}.stage.has-activities[data-audience] .puzzle-grid{width:max(250px,calc(var(--cols, 3) * 46px + (var(--cols, 3) - 1) * 5px + 14px));padding:7px;gap:5px}.stage.has-activities[data-audience] .puzzle-cell{padding:3px;min-height:44px;border-radius:11px}.stage.has-activities[data-audience] .puzzle-cell.reachable{outline-offset:-5px}.stage.has-activities[data-audience] .dpad .btn{min-width:70px;min-height:50px;font-size:13px}.stage.has-activities[data-audience] .dpad-hub{width:40px}.stage.has-activities[data-audience] .puzzle-controls{gap:6px}.stage.has-activities[data-audience] .lab-board.lab-shadow{display:grid;grid-template-columns:1.35fr 1fr;gap:4px 18px;align-items:center}.stage.has-activities[data-audience] .lab-shadow .activity-instruction{grid-column:1/-1}.stage.has-activities[data-audience] .lab-shadow .shadow-model{grid-column:1;grid-row:2/6;width:100%;height:180px;margin:0}.stage.has-activities[data-audience] .lab-shadow .lab-slider{grid-column:2;grid-row:2}.stage.has-activities[data-audience] .lab-shadow .observation{grid-column:2;grid-row:3}.stage.has-activities[data-audience] .lab-shadow>.lab-record{grid-column:2;grid-row:4;justify-self:center}.stage.has-activities[data-audience] .lab-shadow>.board-note{grid-column:1/-1;grid-row:6}.stage.has-activities[data-audience] .observation{font-size:17px;margin:6px auto 2px;padding:5px 14px}.stage.has-activities[data-audience] .lab-record{margin-top:6px}.stage.has-activities[data-audience] .circuit-model{margin:2px auto;gap:6px}.stage.has-activities[data-audience] .circuit-drawing{max-height:172px}.stage.has-activities[data-audience] .circuit-switches .btn{min-height:46px;font-size:16px}.stage.has-activities[data-audience] .water-tank{height:140px;margin:2px auto}.stage.has-activities[data-audience] .water{top:36%}.stage.has-activities[data-audience] .sample{width:64px;height:64px}.stage.has-activities[data-audience] .sample.floats{top:calc(36% - 32px)}.stage.has-activities[data-audience] .sample-cork.floats{top:calc(36% - 47px)}.stage.has-activities[data-audience] .sample.sinks{top:calc(100% - 68px)}.stage.has-activities[data-audience] .lab-samples .btn{min-height:46px;font-size:16px}.stage.has-activities[data-audience] .lab-samples .btn img{width:30px;height:30px}}@media (min-width:900px) and (min-height:650px) and (max-aspect-ratio:3/2){.stage.has-activities[data-audience] .hunt-scene{height:300px}.stage.has-activities[data-audience] .hunt-object{width:19%}.stage.has-activities[data-audience] .match-workspace{grid-template-columns:1fr 28px 1.5fr;gap:8px}.stage.has-activities[data-audience] .match-options{--c:2}.stage.has-activities[data-audience] .sort-bins[data-count="4"]{--bins:2}.stage.has-activities[data-audience] .sequence-slots li{font-size:16px}.stage.has-activities[data-audience] .ten-frame{width:46%}.stage.has-activities[data-audience] .puzzle-play{gap:10px 18px}.stage.has-activities[data-audience] .puzzle-grid{width:max(236px,calc(var(--cols, 3) * 46px + (var(--cols, 3) - 1) * 5px + 14px))}.stage.has-activities[data-audience] .dpad .btn{min-width:64px;padding:4px 6px}.stage.has-activities[data-audience] .journey-copy b{font-size:18px}}@media (min-width:1400px) and (min-height:1040px){.stage.has-activities[data-audience] .activity-instruction{font-size:22px;margin-bottom:14px}.stage.has-activities[data-audience] .activity-board{padding:22px 30px 18px}.stage.has-activities[data-audience] .activity-object{width:104px;height:104px}.stage.has-activities[data-audience] .felt-piece{font-size:29px;min-height:96px;padding:14px 18px;border-radius:24px}.stage.has-activities[data-audience] .felt-piece.active-piece>span{font-size:36px}.stage.has-activities[data-audience] .sort-source{min-height:170px;margin-bottom:26px}.stage.has-activities[data-audience] .sort-bin{min-height:220px}.stage.has-activities[data-audience] .sort-bin strong{font-size:30px;padding:14px 16px}.stage.has-activities[data-audience] .sorted-piece{font-size:17px}.stage.has-activities[data-audience] .sorted-piece .activity-object{width:58px;height:58px}.stage.has-activities[data-audience] .match-left .active-piece{min-height:230px}.stage.has-activities[data-audience] .match-options .felt-piece{min-height:136px}.stage.has-activities[data-audience] .pair-half{font-size:21px}.stage.has-activities[data-audience] .pair-half .activity-object{width:64px;height:64px}.stage.has-activities[data-audience] .memory-card{min-height:150px}.stage.has-activities[data-audience] .memory-card.face-up .activity-object{width:84px;height:84px}.stage.has-activities[data-audience] .memory-target-piece .activity-object{width:72px;height:72px}.stage.has-activities[data-audience] .memory-grid{max-width:calc(var(--cols, 4) * 220px);gap:16px}.stage.has-activities[data-audience] .sequence-pool{min-height:130px;gap:16px;margin-bottom:20px}.stage.has-activities[data-audience] .sequence-pool .felt-piece{flex-basis:250px}.stage.has-activities[data-audience] .sequence-slots li{min-height:200px;font-size:26px;padding-top:44px}.stage.has-activities[data-audience] .sequence-slots b{width:34px;height:34px;font-size:19px}.stage.has-activities[data-audience] .hunt-scene{height:clamp(420px,42vh,600px)}.stage.has-activities[data-audience] .hunt-object .activity-object{height:clamp(92px,10vh,130px)}.stage.has-activities[data-audience] .ten-frame{width:min(46%,500px);gap:9px;padding:12px}.stage.has-activities[data-audience] .counter-cell{min-height:72px}.stage.has-activities[data-audience] .fraction-bar{width:min(100%,940px)}.stage.has-activities[data-audience] .fraction-bar button{height:180px}.stage.has-activities[data-audience] .number-line,.stage.has-activities[data-audience] .number-line li{font-size:26px}.stage.has-activities[data-audience] .number-line-wrap{--lt:130px}.stage.has-activities[data-audience] .number-line img{width:92px;height:112px}.stage.has-activities[data-audience] .number-hops{height:58px;top:calc(var(--lt) - 62px)}.stage.has-activities[data-audience] .balance-model{height:330px}.stage.has-activities[data-audience] .balance-pan{width:210px}.stage.has-activities[data-audience] .pan-counters img{width:30px;height:30px}.stage.has-activities[data-audience] .math-controls output{min-width:100px;height:100px;font-size:48px}.stage.has-activities[data-audience] .fraction-label{font-size:34px}.stage.has-activities[data-audience] .circuit-drawing{max-height:270px}.stage.has-activities[data-audience] .shadow-model{height:260px}.stage.has-activities[data-audience] .water-tank{height:300px}.stage.has-activities[data-audience] .puzzle-grid{width:clamp(340px,44vh,520px)}}@media (min-width:1400px) and (min-height:951px) and (max-height:1039px){.stage.has-activities[data-audience] .circuit-drawing{max-height:190px}.stage.has-activities[data-audience] .hunt-scene{height:clamp(260px,36vh,400px)}}.activity-board[data-resolved] .activity-complete svg{color:var(--leaf-deep)}.activity-board[data-resolved] .sorted-piece{box-shadow:0 0 0 2px var(--leaf-deep),0 2px 0 rgba(60,36,10,.16)}.activity-board[data-resolved] .pair-half{box-shadow:inset 0 0 0 2px var(--leaf-deep)}.activity-board[data-resolved] .sequence-slots li[data-state=filled]{border-color:var(--leaf-deep);box-shadow:0 4px 0 var(--leaf-deep)}.activity-board[data-resolved] .hunt-object.found{background:rgba(223,242,223,.88);box-shadow:0 0 0 4px var(--leaf),0 0 0 7px var(--leaf-deep)}.activity-board[data-resolved] .found-mark,.activity-board[data-resolved] .hunt-object.found>span:not(.found-mark){background:var(--leaf-deep);color:#fff}.activity-board[data-resolved] .puzzle-cell.visited{background:var(--felt-noise),#d9edc6}.activity-board[data-resolved] .trail i{border-color:var(--leaf-deep)}.activity-board[data-resolved] .math-controls output,.activity-board[data-resolved] .observation{box-shadow:inset 0 0 0 3px var(--leaf-deep),0 4px 0 var(--paper-3);border-color:var(--leaf-deep)}