/* StarSlate: a classroom chalkboard in a wooden frame. Chalk writing for children, a plain legible face for the grown-ups' notes. */
@font-face{font-family:"Patrick Hand";src:url(fonts/patrick.woff2) format("woff2");font-display:swap}
@font-face{font-family:Atkinson;src:url(fonts/atkinson-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Atkinson;src:url(fonts/atkinson-700.woff2) format("woff2");font-weight:700;font-display:swap}
:root{--board:#21443a;--deep:#183229;--wood:#b07a45;--wood2:#8a5c30;--chalk:#f6f3ea;--dust:#b9cbbf;--yel:#ffe27a;--pink:#ff9eb5;--blue:#8fd3ff;--green:#a8e6a1;--paper:#fff8e6;--ink:#2b2a26;
 --hand:"Patrick Hand","Comic Sans MS","Chalkboard SE",cursive;--plain:Atkinson,Verdana,system-ui,sans-serif;color-scheme:dark}
.j-numbers{--j:var(--yel)}.j-letters{--j:var(--pink)}.j-shapes{--j:var(--blue)}.j-thinking{--j:var(--green)}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--wood2);color:var(--chalk);font:400 1.08rem/1.6 var(--plain)}
h1,h2,h3,p,ul,ol,dl,dd{margin:0}ul,ol{padding:0;list-style:none}
a{color:inherit}button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:4px solid var(--yel);outline-offset:3px;border-radius:6px}
[hidden]{display:none!important}
.skip{position:absolute;left:10px;top:-70px;background:var(--yel);color:#143024;padding:10px 16px;z-index:30;border-radius:8px}
.skip:focus{top:10px}
/* the board in its wooden frame */
.frame{max-width:1180px;margin:0 auto;min-height:100vh;background:var(--board);border:14px solid var(--wood);border-top-width:14px;box-shadow:inset 0 0 0 3px var(--wood2),inset 0 0 80px rgba(0,0,0,.25);
 background-image:radial-gradient(ellipse at 15% 5%,rgba(255,255,255,.07),transparent 55%),radial-gradient(ellipse at 90% 60%,rgba(255,255,255,.04),transparent 50%)}
@media (max-width:700px){.frame{border-width:8px}}
h1,h2,h3,.logo,.btn,.doodle,.slate strong,.tname{font-family:var(--hand);font-weight:400;line-height:1.1}
h1{font-size:clamp(2.4rem,1.5rem + 4.6vw,4.4rem);text-wrap:balance}
h2{font-size:clamp(1.8rem,1.4rem + 1.6vw,2.5rem)}
.lede{font-size:1.2rem;max-width:52ch;margin-top:12px;color:var(--chalk)}
.small{font-size:.88rem;color:var(--dust)}

.top{display:flex;flex-wrap:wrap;align-items:center;gap:8px 26px;padding:18px clamp(16px,4vw,44px) 14px;border-bottom:3px dashed rgba(246,243,234,.35)}
.logo{font-size:2rem;text-decoration:none;margin-right:auto}
.logo span,.tname span{color:var(--yel)}
.top nav{display:flex;gap:4px 20px;flex-wrap:wrap;font-family:var(--hand);font-size:1.35rem}
.top nav a{text-decoration:none;padding:2px 0;border-bottom:4px solid var(--j,var(--chalk));border-radius:2px}
.top nav a:hover,.top nav a[aria-current]{color:var(--j,var(--yel))}
@media (max-width:700px){.top nav{flex:1 0 100%;flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;scrollbar-width:none;padding-bottom:4px}.top nav::-webkit-scrollbar{display:none}}

main>section{padding:0 clamp(16px,4vw,44px);margin-top:clamp(30px,5vw,52px)}
main>section:first-child{margin-top:clamp(22px,4vw,40px)}
.head{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 18px;margin-bottom:16px}
.head h2{color:var(--j,var(--chalk))}
.head p{color:var(--dust)}
.crumbs{font-size:.95rem;color:var(--dust);margin-bottom:8px}

.hero{display:grid;grid-template-columns:1.6fr auto;gap:clamp(20px,5vw,60px);align-items:center}
.chart{border:4px dashed var(--yel);border-radius:22px;padding:18px 26px;text-align:center;font-family:var(--hand);font-size:1.3rem;transform:rotate(-2deg)}
.chart .big{font-size:4rem;line-height:1;color:var(--yel)}
.chart .small{font-family:var(--plain)}
@media (max-width:760px){.hero{grid-template-columns:1fr}.chart{justify-self:start;transform:rotate(-1deg)}}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:54px;padding:0 26px;border:3px solid var(--chalk);border-radius:16px;background:transparent;font-size:1.5rem;text-decoration:none}
.btn:hover{background:rgba(255,255,255,.1)}
.btn.wide{width:100%;margin-top:14px}
.after{margin-top:26px}

/* slates */
.slates{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:18px}
@media (max-width:520px){.slates{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}}
.slate a{display:flex;flex-direction:column;gap:6px;height:100%;padding:16px;text-decoration:none;background:var(--deep);border:6px solid var(--wood);border-radius:10px;box-shadow:0 4px 0 var(--wood2);transition:transform .12s}
.slate a:hover{transform:translateY(-3px) rotate(-.6deg)}
.doodle{font-size:2.3rem;color:var(--j);white-space:nowrap;letter-spacing:.04em;min-height:1.2em}
.slate strong{font-size:1.55rem}
.sum{font-size:.92rem;line-height:1.4;color:var(--dust)}
.slate .row{margin-top:auto;padding-top:8px;display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:.85rem}
.age{border:2px solid var(--dust);border-radius:999px;padding:1px 10px;white-space:nowrap}
.stars{display:inline-flex;gap:2px;font-size:1.25rem;line-height:1}
.stars i{font-style:normal;color:rgba(246,243,234,.22)}
.stars i.on{color:var(--yel)}
@media (max-width:520px){.slate a{padding:12px;border-width:5px}.doodle{font-size:1.8rem}.slate strong{font-size:1.3rem}.sum{font-size:.85rem}.slate .row{flex-direction:column;align-items:flex-start}}

/* game page */
.learn{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(18px,3vw,36px);align-items:start}
.board{position:relative;height:min(660px,80svh);min-height:520px;border:10px solid var(--wood);border-radius:12px;box-shadow:0 6px 0 var(--wood2);background:var(--board)}
.board iframe{width:100%;height:100%;border:0;display:block}
.board .exit{display:none;position:absolute;left:50%;bottom:10px;transform:translateX(-50%);background:var(--paper);color:var(--ink);border:0;border-radius:999px;padding:8px 18px;font-family:var(--hand);font-size:1.2rem}
.board.fill{position:fixed;inset:0;height:auto;z-index:50;border:0;border-radius:0}
.board.fill .exit,.board:fullscreen .exit{display:block}
body.lock{overflow:hidden}
@media (max-width:880px){.learn{grid-template-columns:1fr}.board{margin-inline:-8px}}

/* notes for grown-ups, on paper */
.note{background:var(--paper);color:var(--ink);border-radius:6px;padding:clamp(20px,4vw,40px);max-width:760px;font-size:1.06rem;line-height:1.7;box-shadow:3px 4px 0 rgba(0,0,0,.25)}
.note h1{font-size:clamp(2.2rem,1.6rem + 2.6vw,3.2rem);margin-bottom:14px}
.note h2{font-size:1.75rem;margin:28px 0 6px}
.note h2:first-child{margin-top:0}
.note h3{font-size:1.4rem;margin:18px 0 6px}
.note p+p{margin-top:12px}
.note a{color:#1f5f8b;font-weight:700;text-underline-offset:3px}
.note :focus-visible{outline-color:var(--ink)}
.note.pin{position:relative;padding:26px 22px 22px;transform:rotate(.6deg);font-size:1rem;line-height:1.5}
.note.pin::before{content:"";position:absolute;top:-10px;left:50%;width:84px;height:24px;margin-left:-42px;background:rgba(255,226,122,.85);transform:rotate(-3deg)}
.note dl div{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px dashed #c9bfa5}
.note dt{font-weight:700}.note dd{text-align:right}
.note .stars i{color:#d8cfb8}.note .stars i.on{color:#e0a200}
.note ul{display:grid;gap:8px}
.note li{padding-left:18px;position:relative}
.note li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--wood)}

.ad{margin:clamp(26px,4vw,44px) auto 0;min-height:100px;text-align:center;padding:0 16px}
.ad::before{content:"Advertisement";display:block;font-size:.72rem;color:var(--dust)}

/* the chalk tray */
.tray{margin-top:clamp(40px,7vw,80px);background:var(--wood);color:#2a1a0a;padding:22px clamp(16px,4vw,44px) 26px;display:grid;gap:8px;border-top:6px solid var(--wood2)}
.tname{font-size:1.6rem}.tname span{color:#fff3b0}
.tray nav{display:flex;flex-wrap:wrap;gap:4px 22px;font-weight:700}
.tray .legal{font-size:.9rem}
.tray :focus-visible{outline-color:#2a1a0a}

.notice{position:fixed;left:12px;right:12px;bottom:12px;max-width:560px;margin:0 auto;z-index:40;background:var(--paper);color:var(--ink);border-radius:10px;padding:14px 16px;display:flex;gap:14px;align-items:center;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.notice a{color:#1f5f8b;font-weight:700}
.notice button{flex:none;min-height:44px;padding:0 20px;border:0;border-radius:10px;background:var(--board);color:var(--chalk);font-weight:700}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}