:root{color-scheme:light;--concrete: #e7e1d3;--chalk: #f7f4ea;--ink: #1d211c;--weathered: #545b50;--moss: #315c3a;--moss-light: #d1e0bf;--lichen: #d9b84e;--clay: #a5422e;--sky: #c9dde1;--line: 2px solid var(--ink);font-family:Trebuchet MS,DejaVu Sans,sans-serif;font-size:16px;color:var(--ink);background:var(--concrete);font-synthesis:none}*{box-sizing:border-box}html{min-width:320px;scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--concrete);background-image:radial-gradient(#7c817833 .7px,transparent .8px);background-size:11px 11px}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:var(--moss);text-underline-offset:3px}img{max-width:100%;height:auto}p{line-height:1.55}h1,h2,h3,p{margin-top:0}h1,h2,h3,strong,.brand{font-family:Arial Black,DejaVu Sans,sans-serif}h1{margin-bottom:16px;font-size:clamp(2.35rem,7vw,4.75rem);line-height:.94;letter-spacing:-.055em;max-width:13ch}h2{font-size:clamp(1.5rem,4vw,2.1rem);line-height:1.1}h3{font-size:1.25rem;line-height:1.15}button,[href],input,textarea,summary{outline:3px solid transparent;outline-offset:3px}button:focus-visible,[href]:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline-color:var(--clay);box-shadow:0 0 0 6px var(--lichen)}button:disabled{opacity:.58;cursor:not-allowed;box-shadow:none}.skip-link{position:fixed;z-index:100;top:8px;left:8px;transform:translateY(-150%);background:var(--ink);color:#fff;padding:12px 16px;font-weight:800}.skip-link:focus{transform:none}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.loading-state{padding:20vh 24px;text-align:center;font-weight:800}.eyebrow,.kicker{margin-bottom:8px;color:var(--moss);font-size:.78rem;line-height:1.2;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.lede{max-width:58ch;color:var(--weathered);font-size:clamp(1.05rem,2vw,1.28rem);line-height:1.55}.quiet{color:var(--weathered);font-size:.88rem}.site-header{position:relative;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px;padding:12px clamp(16px,4vw,48px);border-bottom:var(--line);background:color-mix(in srgb,var(--concrete) 94%,transparent)}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:.95rem;line-height:1.05;text-decoration:none}.brand img{border:2px solid var(--ink)}.brand span{max-width:13rem}.status-chips{display:flex;align-items:center;gap:12px}.status-chip{display:inline-flex;align-items:center;gap:7px;color:var(--weathered);font-size:.84rem;font-weight:800}.status-dot{width:10px;height:10px;border:2px solid var(--ink);border-radius:50%;background:var(--moss-light)}.utility-button,.icon-button,.text-button{min-width:44px;min-height:44px;border:0;background:transparent;font-weight:900;text-decoration:underline;text-underline-offset:4px;cursor:pointer}.icon-button{font-size:2rem;text-decoration:none}.setup-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.82fr);gap:clamp(32px,6vw,88px);align-items:center;max-width:1440px;min-height:calc(100vh - 76px);margin:0 auto;padding:clamp(32px,6vw,88px) clamp(20px,5vw,72px)}.setup-copy{max-width:700px}.hero-figure{position:relative;margin:0}.hero-figure:before{position:absolute;inset:14px -14px -14px 14px;z-index:-1;border:2px solid var(--ink);background:var(--moss);content:""}.hero-figure img{display:block;width:100%;border:2px solid var(--ink);filter:saturate(.8) contrast(1.04)}.hero-figure figcaption{position:absolute;right:12px;bottom:12px;max-width:15rem;padding:8px 12px;border:2px solid var(--ink);background:var(--lichen);font-weight:900}.age-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:32px 0 20px;padding:0;border:0}.age-picker legend{width:100%;margin-bottom:14px;font-weight:900}.age-slab{position:relative;min-height:150px;padding:16px;border:var(--line);background:var(--chalk);box-shadow:5px 5px 0 var(--ink);text-align:left;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}.age-slab span,.age-slab small{display:block;color:var(--weathered)}.age-slab strong{display:block;margin:4px 0 20px;font-size:2rem}.age-slab:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--moss)}.age-slab:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--ink)}.privacy-note{display:flex;gap:10px;align-items:center;color:var(--weathered);font-size:.9rem}.privacy-note span{color:var(--moss)}.station-layout{max-width:1440px;margin:auto;padding:clamp(28px,5vw,64px) clamp(16px,4vw,48px)}.intro-block{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.intro-block h1{margin-bottom:12px}.today-stamp{flex:0 0 116px;display:grid;justify-items:center;padding:12px;border:3px double var(--ink);background:var(--lichen);transform:rotate(2deg)}.today-stamp span,.today-stamp small{font-weight:900;text-transform:uppercase;font-size:.72rem;letter-spacing:.1em}.today-stamp strong{font-size:2.2rem;line-height:1.15}.empty-note,.return-note{display:flex;align-items:center;gap:14px;max-width:960px;margin:12px 0 32px;padding:12px 16px;border-left:6px solid var(--moss);background:var(--moss-light)}.empty-note span,.return-note>span:first-child{font-size:1.8rem;font-weight:900}.empty-note p,.return-note p{flex:1;margin:0}.return-note>span:last-child{font-weight:900}.activity-board{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:var(--line);border-left:var(--line)}.activity-slab{position:relative;min-height:350px;padding:24px;overflow:visible;border-right:var(--line);border-bottom:var(--line);background:var(--chalk);content-visibility:auto}.activity-slab:after{position:absolute;right:18px;bottom:78px;width:56px;height:32px;background:var(--moss-light);border:2px solid var(--ink);border-radius:52% 32% 48% 35%;content:"";transform:rotate(-7deg)}.tone-sky:after{background:var(--sky)}.tone-lichen:after{background:var(--lichen)}.tone-clay:after{background:#dfb1a5}.tone-stone:after{background:#b8b5aa}.tone-ink:after{background:var(--ink)}.activity-number{color:var(--weathered);font:900 .76rem/1 Arial Black,sans-serif}.activity-symbol{display:flex;align-items:center;min-height:86px;font:900 clamp(1.7rem,4vw,2.7rem)/1 "Arial Black",sans-serif;letter-spacing:.03em}.activity-slab h3{max-width:13ch;margin-bottom:8px;font-size:clamp(1.35rem,2vw,1.75rem)}.activity-slab>p:not(.kicker){max-width:29ch;color:var(--weathered)}.slab-action{position:absolute;right:18px;bottom:18px;left:18px;display:flex;min-height:48px;align-items:center;justify-content:space-between;padding:8px 14px;border:var(--line);background:var(--ink);color:#fff;font-weight:900;cursor:pointer}.slab-action:hover{background:var(--moss)}.slab-action span{font-size:1.4rem}.next-tab{position:absolute;z-index:2;top:-2px;right:18px;padding:7px 11px;border:var(--line);border-top:0;background:var(--lichen);font-size:.75rem;font-weight:900;text-transform:uppercase}.site-footer{display:flex;justify-content:space-between;gap:24px;margin-top:40px;padding-top:20px;border-top:var(--line);color:var(--weathered)}.site-footer p{max-width:65ch}.adult-panel{position:fixed;z-index:50;top:0;right:0;width:min(540px,100%);height:100dvh;padding:28px;overflow-y:auto;border-left:3px solid var(--ink);background:var(--chalk);box-shadow:-12px 0 #315c3a99;animation:panel-in .22s ease-out}.adult-panel[hidden]{display:none}.adult-head{display:flex;justify-content:space-between;align-items:flex-start}.feedback-banner{padding:10px 12px;border-left:5px solid var(--clay);background:#f0c9bd;font-weight:800}.adult-panel section{margin:24px 0;padding-top:20px;border-top:2px solid var(--ink)}.adult-panel section:first-of-type{margin-top:8px}.segmented{display:grid;grid-template-columns:repeat(3,1fr)}.segmented button{min-height:48px;border:var(--line);border-right:0;background:var(--concrete);cursor:pointer;font-weight:900}.segmented button:last-child{border-right:var(--line)}.segmented button[aria-pressed=true]{background:var(--moss);color:#fff}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.mini-stats span{padding:12px 8px;border:var(--line);background:var(--concrete);text-align:center}.mini-stats strong{display:block;font-size:1.5rem}.code-label{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;padding:12px;background:var(--ink);color:#fff}.code-label strong{color:var(--lichen);font-variant-numeric:tabular-nums}.bundle-box{position:relative;padding:28px 18px 18px!important;border:var(--line)!important;background:var(--moss-light)}.bundle-tab{position:absolute;top:-14px;left:14px;padding:4px 10px;border:var(--line);background:var(--lichen);font-size:.72rem;font-weight:900;text-transform:uppercase}.button-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;padding:10px 14px;border:var(--line);box-shadow:3px 3px 0 var(--ink);font-weight:900;text-decoration:none;cursor:pointer}.button:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}.button.primary{background:var(--moss);color:#fff}.button.secondary{background:var(--chalk);color:var(--ink)}.danger-button{background:var(--clay);color:#fff}.danger{display:block;margin-top:16px;color:#812f1f}.file-button{position:relative}.file-button input{position:absolute;width:1px;height:1px;opacity:0}.input-row{display:flex;gap:10px}.input-row input{min-width:0;flex:1}input,textarea{width:100%;min-height:48px;padding:10px 12px;border:var(--line);border-radius:0;background:#fff;color:var(--ink)}details{margin:16px 0}summary{min-height:44px;padding-top:10px;font-weight:900;cursor:pointer}.legal-links{display:flex;gap:20px;padding-bottom:20px}dialog{width:min(500px,calc(100% - 32px));padding:24px;border:3px solid var(--ink);background:var(--chalk);color:var(--ink);box-shadow:10px 10px 0 var(--moss)}dialog::backdrop{background:#1d211caa}.play-page{max-width:1100px;margin:0 auto;padding:clamp(24px,5vw,64px) clamp(16px,4vw,48px)}.play-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:40px;color:var(--weathered);font-weight:900}.back-button{min-height:44px;border:0;background:transparent;text-decoration:underline;text-underline-offset:4px;cursor:pointer;font-weight:900}.activity-header{display:grid;grid-template-columns:minmax(0,1fr) 220px;align-items:end;gap:32px}.activity-header h1{margin-bottom:0}.round-meter span{display:block;margin-bottom:8px;color:var(--weathered);font-size:.84rem;font-weight:900;text-align:right}.round-meter>div{height:18px;border:var(--line);background:var(--chalk)}.round-meter i{display:block;height:100%;background:var(--moss);transition:width .2s ease}.task-slab{min-height:430px;margin-top:32px;padding:clamp(24px,5vw,56px);border:3px solid var(--ink);background:var(--chalk);box-shadow:9px 9px 0 var(--moss)}.task-prompt{max-width:32ch;margin-bottom:24px;font:900 clamp(1.35rem,3vw,2rem)/1.3 "Arial Black",sans-serif}.logic-clue{max-width:38ch}.number-question{font-size:clamp(1.7rem,5vw,3rem)}.pattern-line{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 40px}.pattern-line span{display:grid;width:clamp(52px,9vw,76px);aspect-ratio:1;place-items:center;border:var(--line);background:var(--concrete);font:900 clamp(1.5rem,4vw,2.4rem)/1 "Arial Black",sans-serif}.pattern-line .missing{border-style:dashed;background:var(--lichen)}.answer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.answer-button{min-height:82px;padding:14px;border:var(--line);background:var(--concrete);box-shadow:4px 4px 0 var(--ink);font:900 clamp(1.2rem,3vw,1.7rem)/1.2 "Arial Black",sans-serif;cursor:pointer}.answer-button:hover{background:var(--moss-light);transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}.answer-button:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}.result-panel,.session-complete{display:grid;min-height:320px;place-items:center;align-content:center;text-align:center}.result-panel p,.session-complete p{max-width:40ch}.result-mark,.big-stamp{display:grid;width:90px;height:90px;margin-bottom:16px;place-items:center;border:4px solid var(--ink);border-radius:50%;background:var(--moss-light);font:900 3rem/1 Arial Black,sans-serif;transform:rotate(-5deg);animation:stamp .18s ease-out}.try-again .result-mark{background:var(--lichen)}.big-stamp{width:112px;height:112px;background:var(--lichen);font-size:4rem}.session-complete .button-row{justify-content:center}.core-note{margin:22px 0 0;color:var(--weathered);text-align:center}.scramble,.target-phrase{margin:20px 0 30px;padding:22px;border:2px dashed var(--ink);background:var(--concrete);font:900 clamp(1.6rem,5vw,3rem)/1.2 "Arial Black",sans-serif;letter-spacing:.08em;text-align:center}.target-phrase{letter-spacing:0;text-transform:none}.clue-label{color:var(--weathered);font-weight:900}.task-form{max-width:700px;margin:0 auto}.task-form label{display:block;margin-bottom:8px;font-weight:900}.task-form textarea{font-size:1.2rem;resize:vertical}.typing-meta{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-top:12px;color:var(--weathered);font-weight:800}.draw-layout{display:grid;gap:20px}.draw-tools{display:flex;flex-wrap:wrap;gap:10px}.color-tool{width:48px;height:48px;border:3px solid var(--ink);background:var(--ink);cursor:pointer}.color-tool.green{background:var(--moss)}.color-tool.yellow{background:#b18b18}.color-tool.clay{background:var(--clay)}.color-tool.is-selected{box-shadow:0 0 0 4px var(--lichen),0 0 0 6px var(--ink)}.tool-button{min-height:48px;padding:8px 12px;border:var(--line);background:var(--concrete);font-weight:900;cursor:pointer}#sketch{width:100%;max-height:60vh;border:3px solid var(--ink);background:var(--chalk);touch-action:none}.save-drawing{justify-self:start}.fatal-state{max-width:700px;margin:10vh auto;padding:32px}.toast{position:fixed;z-index:100;right:20px;bottom:20px;display:flex;gap:16px;align-items:center;max-width:420px;padding:14px;border:var(--line);background:var(--ink);color:#fff;box-shadow:5px 5px 0 var(--lichen)}.toast[hidden]{display:none}.toast button{min-height:44px;border:2px solid #fff;background:var(--lichen);font-weight:900;cursor:pointer}.print-sheet{display:none}@keyframes panel-in{0%{opacity:0;transform:translate(24px)}}@keyframes stamp{0%{opacity:0;transform:scale(.7) rotate(-12deg)}}@media(max-width:900px){.setup-grid{grid-template-columns:1fr}.hero-figure{order:-1;max-height:310px;overflow:hidden}.hero-figure img{margin-top:-10%}.activity-board{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.site-header{min-height:68px;padding:10px 14px}.brand span{display:none}.status-chip{font-size:.75rem}.setup-grid{padding:24px 16px 48px}.hero-figure{max-height:235px}.age-picker{grid-template-columns:1fr}.age-slab{min-height:92px}.age-slab strong{margin-bottom:4px}.intro-block{align-items:center}.intro-block .lede{display:none}.today-stamp{flex-basis:92px}.activity-board{grid-template-columns:1fr}.activity-slab{min-height:315px}.return-note{align-items:flex-start;flex-wrap:wrap}.site-footer{flex-direction:column}.adult-panel{padding:22px 16px max(30px,env(safe-area-inset-bottom));border-left:0}.mini-stats{grid-template-columns:1fr 1fr 1fr;font-size:.78rem}.play-page{padding-top:24px}.play-top{margin-bottom:28px}.activity-header{grid-template-columns:1fr;gap:20px}.round-meter span{text-align:left}.task-slab{min-height:420px;margin-top:24px;padding:24px 16px;box-shadow:5px 5px 0 var(--moss)}.answer-grid{grid-template-columns:1fr;gap:12px}.answer-button{min-height:64px}.input-row,.typing-meta{align-items:stretch;flex-direction:column}.typing-meta .button{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media print{@page{margin:1.5cm}body{background:#fff;color:#000}.screen-only,.site-header,.toast,.skip-link{display:none!important}.print-sheet{display:block;max-width:700px;margin:auto;font-size:14pt}.print-sheet h2{font-size:34pt}.print-code{margin:24px 0;padding:18px;border:4px solid #000;font:900 24pt/1 Arial Black,sans-serif;letter-spacing:.08em;text-align:center}.print-sheet table{width:100%;border-collapse:collapse}.print-sheet th,.print-sheet td{padding:10px;border:2px solid #000;text-align:left}.print-date{margin-top:30px}}