@font-face{font-family:"Noto Sans";src:url("fonts/NotoSans-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Noto Sans";src:url("fonts/NotoSans-Bold.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Noto Sans Display";src:url("fonts/NotoSansDisplay-Bold.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Noto Sans Mono";src:url("fonts/NotoSansMono-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
:root{color-scheme:light;--ink:#142239;--muted:#4c5b6b;--teal:#0e645c;--teal-dark:#094c47;--mint:#80e2ce;--paper:#fcfbf7;--line:#dce2de;--sans:"Noto Sans",Arial,sans-serif;--display:"Noto Sans Display",var(--sans);--mono:"Noto Sans Mono",monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.6 var(--sans)}
button,select{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:.23em}
a:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid #07877a;outline-offset:4px}
h1,h2,h3,p{margin:0}
h1,h2{font-family:var(--display);font-weight:700;line-height:1.12;letter-spacing:-.035em}
h3{line-height:1.3}
[hidden]{display:none!important}
.wrap{width:min(1200px,calc(100% - 100px));margin-inline:auto}
.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip:focus{position:fixed;top:10px;left:10px;z-index:2;padding:10px 20px;background:#fff}
.site-header{background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;line-height:1.2;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand-avatar{display:block;width:42px;height:42px;object-fit:cover;border-radius:50%;background:#e5f1eb;border:1px solid #bdd2c8}
.brand strong{display:block;font-size:16px}
.brand small{display:block;font:700 10px/1.4 var(--sans);letter-spacing:.06em;color:var(--muted);margin-top:4px}
.monogram{display:grid;place-content:center;grid-auto-flow:column;align-items:baseline;background:var(--ink);color:#fff;font:30px/.94 var(--display);letter-spacing:-.09em;border-radius:10px;width:42px;height:42px}
.monogram span{color:var(--mint)}
nav{display:flex;gap:clamp(18px,3vw,44px);align-items:center;font-size:14px;font-weight:600;color:#334256}
.header-cta{border:1px solid #9cbbb2;border-radius:6px;padding:8px 14px;font-weight:650;color:var(--teal-dark);font-size:14px;white-space:nowrap}
.header-cta span,.button span{margin-left:6px}
.hero{background:radial-gradient(ellipse at 80% 7%,#eaf3eb 0%,transparent 50%),var(--paper);border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.09fr 1fr;gap:clamp(24px,6vw,85px);align-items:center;padding-block:65px 73px}
.eyebrow{font:700 11px/1.5 var(--sans);letter-spacing:.12em;color:var(--teal-dark);display:flex;align-items:center;gap:10px}
.signal,.art-top i,.lab-label i{width:7px;height:7px;display:inline-block;border-radius:50%;background:currentColor;flex:none}
h1{font-size:clamp(47px,5.8vw,78px);margin-top:20px}
h1 em{color:var(--teal);font-style:normal}
.hero-copy p{max-width:470px;margin-top:24px;color:var(--muted);font-size:clamp(16px,1.45vw,19px);line-height:1.6}
.actions{margin-top:27px;display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;gap:8px;border-radius:7px;padding:11px 16px;font-size:14px;font-weight:700}
.primary{color:white;background:var(--teal-dark)}
.primary:hover{background:#133e40;text-decoration:none}
.text-link{color:var(--teal-dark);font-weight:700;font-size:14px}
.text-link span{padding-left:5px}
.hero-art{min-width:0;position:relative;background:radial-gradient(ellipse at top right,#213b4d,transparent 65%),#101f34;color:white;border:1px solid #263b50;border-radius:18px;padding:clamp(18px,3vw,32px);box-shadow:0 20px 44px #1323381f;overflow:hidden}
.art-top,.art-bottom{display:flex;justify-content:space-between;gap:8px;color:#b8c9d9;font:700 10px/1.5 var(--sans);letter-spacing:.08em}
.art-top span:first-child{color:#a1e9dc}
.art-top i{margin-right:7px;background:var(--mint)}
.art-title{font:700 clamp(22px,2.15vw,31px)/1.24 var(--display);letter-spacing:-.035em;margin:14px 0 19px}
.art-grid{display:grid;grid-template-columns:37px repeat(2,minmax(0,1fr));gap:7px}
.axis{font:600 10px/1.2 var(--mono);color:#bfced9;letter-spacing:.05em}
.axis:not(.rowaxis){padding:0 0 2px 4px}
.rowaxis{display:grid;align-content:center;gap:5px}
.rowaxis small{font-size:8px;letter-spacing:0}
.tile{border-radius:6px;min-height:49px;display:grid;align-content:center;gap:4px;padding:8px 11px;color:#f1f9ff;font:12px/1.2 var(--sans);overflow-wrap:anywhere}
.tile small{font-size:10px;color:#e0eef4}
.jade{background:#1e5454;border-left:3px solid #88e5d2}
.sky{background:#24465f;border-left:3px solid #84d6f2}
.iris{background:#3b4264;border-left:3px solid #c6befb}
.ghost{border:1px dashed #536679;background:#27374b55}
.art-bottom{margin-top:16px;padding-top:12px;border-top:1px solid #425367;flex-wrap:wrap}
.art-bottom b{font-size:15px;color:#fff;margin-right:2px}
.art-link{display:inline-block;color:#a1e9dc;font-size:13px;font-weight:650;margin-top:12px}
.section{padding-block:66px;scroll-margin-top:14px}
.section-heading{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(250px,.8fr);align-items:end;gap:28px;margin-bottom:26px}
.section-heading h2,.about h2{font-size:clamp(38px,4.3vw,63px);margin-top:11px}
.section-heading p,.about p{color:var(--muted);max-width:440px}
.section-no{color:var(--teal-dark);border:1px solid #b0c8be;border-radius:5px;padding:2px 5px;letter-spacing:0}
.filters,.presets{display:flex;flex-wrap:wrap;gap:8px}
.filters{margin-bottom:8px}
.filters button,.presets button{font-size:13px;font-weight:650;border-radius:999px;border:1px solid #cddad4;background:transparent;padding:6px 12px}
.filters button:hover,.presets button:hover{border-color:var(--teal);background:#e9f3ee}
.filters button[aria-pressed=true],.presets button[aria-pressed=true]{background:var(--teal-dark);color:#fff;border-color:var(--teal-dark)}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.lesson-card{display:flex;flex-direction:column;align-items:flex-start;min-width:0;padding:20px 22px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:border-color .2s,box-shadow .2s}
.lesson-card:hover{border-color:#8caea2;box-shadow:0 8px 18px #12352a09}
.card-meta{display:flex;justify-content:space-between;width:100%;align-items:center;gap:7px;color:var(--muted);font:700 10px/1.5 var(--sans);letter-spacing:.03em}
.card-meta .topic{color:var(--teal-dark)}
.lesson-mark{display:grid;place-items:center;min-width:40px;height:36px;padding-inline:5px;background:#edf5ef;color:var(--teal-dark);border-radius:6px;font:600 18px/1 var(--mono);margin:17px 0 10px}
.lesson-card h3{font:700 22px/1.24 var(--display);letter-spacing:-.025em}
.lesson-card p{color:var(--muted);margin:8px 0 14px;font-size:14px}
.lesson-open{border:0;background:none;padding:0;color:var(--teal-dark);font-weight:700;font-size:13px;text-align:left;margin-top:auto}
.lesson-open:hover{text-decoration:underline;text-underline-offset:.23em}
.research{background:#102139;color:#fff}
.research .eyebrow,.research .section-no{color:var(--mint);border-color:#50786f}
.research .section-heading p,.research-grid p{color:#c8d7e4}
.research-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.research-grid article{padding:20px 22px;border:1px solid #3f5469;border-radius:10px;background:#162a42}
.stage{font:600 13px/1.3 var(--mono);color:var(--mint)}
.research-grid h3{margin:9px 0;font-size:18px}
.research-grid p{font-size:14px}
.references{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px 20px;margin-top:22px;color:var(--mint);font-size:13px}
.references span{font:700 10px/1.5 var(--sans);letter-spacing:.12em;color:#c8d7e4}
.lab{background:#f1f5ef}
.lab-box{border:1px solid #cfdad2;border-radius:13px;background:#fff;overflow:hidden}
.lab-toolbar,.lab-footer{padding:14px 21px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:#f9fbf8}
.lab-toolbar{border-bottom:1px solid var(--line)}
.lab-label,.result-label{font:700 11px/1.5 var(--sans);letter-spacing:.1em;color:var(--teal-dark)}
.lab-label i{margin-right:4px}
.lab-content{display:grid;grid-template-columns:1.38fr 1fr}
.lab-controls{padding:20px;min-width:0}
.lab-controls table{width:100%;border-collapse:collapse;font-size:14px}
.lab-controls :is(th,td){padding:8px 7px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.lab-controls thead th{color:var(--muted);font-weight:600}
.lab-controls tbody th{font-weight:650}
.lab-controls td{width:27%}
.lab-controls select{width:100%;max-width:100%;padding:5px 4px;border:1px solid #bccbc5;border-radius:5px;background:white;font-size:13px}
.lab-controls th small{display:block;color:var(--muted);font-weight:400}
.lab-rules{font-size:13px;margin-top:14px;padding-inline:7px;color:var(--muted)}
.lab-rules strong{color:var(--ink)}
.lab-result{padding:24px 22px;background:#eff7f2;border-left:1px solid var(--line)}
.lab-result.invalid{background:#fff1ed}
.lab-result.invalid .result-label{color:#8e2a21}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:12px 0 17px}
.metric-grid div{display:grid;background:#fff;border-radius:6px;padding:9px 10px;border:1px solid #dce6df;font-size:12px;color:var(--muted)}
.metric-grid strong{font:700 30px/1.2 var(--display);color:var(--ink)}
.lab-result h3{font-size:18px}
.lab-result ul{padding-left:17px;margin:8px 0 0;font-size:14px;color:#384a55}
.lab-footer{border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.lab-footer a{font-weight:700;color:var(--teal-dark)}
.about-inner{display:grid;grid-template-columns:minmax(185px,242px) minmax(0,1fr);align-items:center;gap:clamp(22px,4vw,55px)}
.about-portrait{border:1px solid #c3d8ce;border-radius:20px;overflow:hidden;background:radial-gradient(circle at 50% 40%,#f9fcf7 0 36%,#e8f2e9 37% 58%,#d8e9df 59%);max-width:242px}
.about-portrait img{display:block;width:100%;height:auto}
.about p{max-width:700px;margin-top:12px}
.about .about-role{color:var(--teal-dark);font-size:clamp(16px,1.6vw,19px);font-weight:700}
.about-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:27px}
.about-panel{display:flex;flex-direction:column;align-items:flex-start;padding:clamp(17px,2.6vw,28px);border:1px solid var(--line);border-radius:12px;background:white}
.about-panel h3{font:700 clamp(21px,2.5vw,29px)/1.25 var(--display);letter-spacing:-.02em}
.about-courses{display:grid;gap:11px;margin:13px 0 0;padding-left:19px}
.about-courses li::marker{color:var(--teal)}
.about-courses span{display:block;color:var(--muted);font-size:14px}
.about-panel .text-link{display:inline-block;margin-top:auto;padding-top:17px}
.site-footer{border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.site-footer .wrap{display:flex;justify-content:space-between;gap:12px;padding-block:17px}
.site-footer strong{color:var(--ink)}
.footer-dot{padding-inline:5px;color:var(--teal)}
dialog{width:min(740px,calc(100% - 28px));max-height:calc(100% - 36px);overflow:auto;border:1px solid #b0c8be;border-radius:13px;padding:clamp(18px,4vw,34px);color:var(--ink);background:var(--paper);box-shadow:0 15px 65px #0d192658}
dialog::backdrop{background:#0c1825b5}
.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.dialog-top button{width:40px;height:40px;border:1px solid var(--line);border-radius:6px;background:#fff;font-size:25px;line-height:1}
dialog h2{margin:10px 0 16px;font-size:clamp(29px,5vw,47px)}
#lesson-content :is(p,ol,ul,pre,table,h3){margin:12px 0}
#lesson-content h3{margin-top:21px}
#lesson-content a{color:var(--teal-dark);text-decoration:underline;text-underline-offset:.2em}
#lesson-content pre{padding:13px;border-radius:6px;background:var(--ink);color:#ecf5ff;overflow:auto;font:13px/1.6 var(--mono)}
#lesson-content code{font-family:var(--mono)}
#lesson-content table{width:100%;border-collapse:collapse;font-size:14px}
#lesson-content :is(th,td){padding:6px;text-align:left;border:1px solid var(--line)}
body:has(dialog[open]){overflow:hidden}
@media(max-width:970px){.wrap{width:calc(100% - 56px)}.hero-inner{gap:26px}.hero-inner h1{font-size:clamp(40px,5.8vw,60px)}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:730px){.wrap{width:calc(100% - 36px)}.hero-inner,.section-heading,.lab-content{grid-template-columns:minmax(0,1fr)}.hero-inner{padding-block:39px 43px}.hero-inner h1{font-size:clamp(37px,8.8vw,56px)}.hero-copy p{margin-top:16px}.hero-art{max-width:530px}.section{padding-block:43px}.section-heading{gap:9px}.research-grid{grid-template-columns:minmax(0,1fr)}.lab-result{border-top:1px solid var(--line);border-left:0}.about-inner{grid-template-columns:minmax(0,1fr);gap:20px}.about-portrait{width:min(100%,190px)}.about-details{grid-template-columns:minmax(0,1fr)}}
@media(max-width:460px){.card-grid{grid-template-columns:minmax(0,1fr)}.actions{gap:15px}.lab-controls,.lab-result{padding:13px}.lab-toolbar,.lab-footer{padding:12px 13px}.lab-controls :is(th,td){padding-inline:3px}.lab-controls select{font-size:12px}.lab-controls table{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
.arrow{width:1em;height:1em;display:inline-block;vertical-align:-.13em}
.posts-status{color:#8e2a21;font-size:14px;margin-bottom:12px}
.posted-card :is(h3,p),#lesson-title,.post-paragraph{overflow-wrap:anywhere}
.post-paragraph{white-space:pre-line}
@media(max-width:980px){.header-inner{flex-wrap:wrap;gap:10px 15px;padding-block:13px;min-height:auto}.header-inner nav{order:3;width:100%;gap:20px;padding-top:8px;border-top:1px solid var(--line)}.header-inner nav{flex-wrap:wrap;column-gap:18px;row-gap:5px}}

/* Expanded schedule lab and long-form learning cards. */
.lab-toolbar .scenario-label{font-weight:750;color:var(--teal-dark)}
.lab-toolbar select{min-width:0;max-width:100%;padding:7px 10px;border:1px solid #bccbc5;border-radius:6px;background:white}
#scenario-count{color:var(--muted);font-size:13px}
.scenario-hint{margin:0;padding:11px 21px;color:var(--muted);font-size:14px;border-bottom:1px solid var(--line)}
.lab-controls .presets{margin-bottom:10px}
.lab-controls table{table-layout:fixed}
.lab-controls td{width:30%}
#schedule-baseline,#search-status{margin:9px 0 0;font-size:13px;color:var(--muted)}
#schedule-weights{margin:17px 0 11px;padding:7px 11px 9px;border:1px solid #cbdcd2;border-radius:8px}
#schedule-weights legend{font-size:13px;font-weight:750;padding:0 4px}
#schedule-weights label{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px;padding:3px 0}
#schedule-weights input{width:4.2rem;flex:none;padding:4px 5px;border:1px solid #bccbc5;border-radius:5px;color:var(--ink)}
.schedule-search{padding:7px 12px;border-radius:6px;background:var(--teal-dark);border:1px solid var(--teal-dark);color:white;font-weight:750;font-size:13px}
.schedule-search:hover{background:var(--teal)}
#schedule-options{margin-top:9px}
.lesson-card--long .lesson-open{font-weight:750}
.lesson-card--long .lesson-mark{background:#eaf1fc;color:#163a5f}
@media(max-width:520px){
  .lab-controls,.lab-result{padding:13px}
  .lab-controls :is(th,td){padding:5px 3px}
  .lab-controls select{font-size:12px}
  .scenario-hint{padding-inline:14px}
}

.entertainment{background:#f0f5f2}
.play-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.play-card{padding:20px;border:1px solid var(--line);border-radius:13px;background:white;min-width:0}
.play-head{display:flex;justify-content:space-between;align-items:start;gap:9px;margin-bottom:15px}
.play-head h3{font-size:clamp(20px,3vw,27px);margin:4px 0 0}
.play-score{font-size:13px;font-weight:750;color:var(--teal-dark);white-space:nowrap;margin:0;padding:4px 8px;background:#e8f2ed;border-radius:5px}
.play-round h4{font-size:17px;margin:0 0 5px}
.play-round p{color:var(--muted);font-size:14px;margin:0 0 12px}
.play-options{display:grid;gap:7px}
.play-options button,.play-controls button{border:1px solid #c9d8d0;border-radius:6px;background:#f8fbf9;color:var(--ink);padding:7px 10px}
.play-options button{text-align:left;font-size:14px}
.play-options button:not(:disabled):hover,.play-controls button:not(:disabled):hover{border-color:var(--teal);background:#e9f3ed}
.play-options .is-correct,.play-feedback.is-correct{background:#e1f3e7;border-color:#9ac4a7;color:#174b2d}
.play-options .is-wrong,.play-feedback.is-wrong{background:#fff0e8;border-color:#e8b9a7;color:#79382a}
.play-feedback{border:1px solid #cad9e6;border-radius:6px;background:#eaf2fa;color:#173d58;font-size:14px;padding:9px 11px;margin:10px 0 0}
.play-controls{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.play-controls button{font-size:13px;font-weight:750}
.play-controls button:disabled{opacity:.55;cursor:default}
.play-controls [data-game-next]:not(:disabled){background:var(--teal-dark);border-color:var(--teal-dark);color:white}
@media(max-width:720px){.play-grid{grid-template-columns:minmax(0,1fr)}}

.play-menu{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0 0 16px}
.play-menu a{display:block;padding:11px 14px;border:1px solid #c9d8d0;border-radius:9px;color:var(--teal-dark);background:#f8fbf9;text-decoration:none}
.play-menu a:hover,.play-menu a:focus-visible{border-color:var(--teal);background:#e6f1eb}
.play-menu small{display:block;font-size:13px;color:var(--muted)}
.play-card{scroll-margin-top:140px}
.play-settings{display:flex;align-items:center;flex-wrap:wrap;gap:7px 10px;font-size:14px;margin:0 0 10px}
.play-settings label{font-weight:700}
.play-settings select{max-width:100%;color:var(--ink);background:#f8fbf9;border:1px solid #c9d8d0;border-radius:6px;padding:6px 9px;font:inherit}
.play-instructions{font-size:14px;color:var(--muted);margin:0 0 13px}
.sudoku-board{display:grid;grid-template-columns:repeat(var(--puzzle-size,4),minmax(0,1fr));width:min(100%,calc(var(--puzzle-size,4) * 43px));border:solid #48685c;border-width:0 2px 2px 0}
.sudoku-board input{appearance:none;box-sizing:border-box;width:100%;min-width:0;aspect-ratio:1;text-align:center;padding:0;margin:0;border:solid #bdcec5;border-width:1px 0 0 1px;border-radius:0;font:700 clamp(13px,3vw,18px) system-ui,sans-serif;color:#17664d;background:white}
.sudoku-board input.sudoku-row{border-top:2px solid #48685c}
.sudoku-board input.sudoku-col{border-left:2px solid #48685c}
.sudoku-board input:read-only{color:var(--ink);background:#edf3f0}
.sudoku-board input[aria-invalid="true"]{color:#79382a;background:#ffe6dc}
.sudoku-board input:focus-visible{outline:2px solid #007a56;outline-offset:-3px}
.memory-board{display:grid;grid-template-columns:repeat(var(--memory-columns,4),minmax(0,1fr));gap:6px;width:min(100%,calc(var(--memory-columns,4) * 55px))}
.memory-board button{min-width:0;aspect-ratio:1;padding:0;border:1px solid #91b6a7;border-radius:7px;background:#e6f1eb;color:#235143;font-size:clamp(15px,4vw,25px);line-height:1}
.memory-board button:not(:disabled):hover{background:#d8ece1;border-color:var(--teal)}
.memory-board button.is-open{background:#eff5fc;color:#173d58;border-color:#aac3dd}
.memory-board button.is-matched{background:#dff3e7;color:#174b2d;border-color:#8dbb9d}
.play-controls [data-sudoku-check]{background:var(--teal-dark);border-color:var(--teal-dark);color:white}
.play-controls [data-sudoku-check]:not(:disabled):hover{background:var(--teal);color:white}
@media(max-width:720px){.play-menu{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:400px){.play-card{padding:13px}.play-head{flex-wrap:wrap}.memory-board{gap:4px}}


.list-page-status{font-size:13px;color:var(--muted);margin:0 0 13px;scroll-margin-top:16px}
.list-pagination{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:8px;margin-top:20px;color:var(--teal-dark);font-size:14px}
.list-pagination label{display:flex;align-items:center;gap:7px}
.list-pagination :is(button,select){min-height:40px;padding:5px 12px;border:1px solid #bfd4c8;border-radius:7px;background:white;color:var(--teal-dark);font:inherit}
.list-pagination button:not(:disabled):hover{border-color:var(--teal);background:#e9f3ee}
.list-pagination button:disabled{opacity:.5;cursor:default}

.play-group-switch{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 13px}
.play-group-switch button{border:1px solid #b5cfc1;border-radius:8px;background:#f8fbf9;color:var(--teal-dark);padding:7px 11px;font:700 14px/1.5 var(--sans)}
.play-group-switch button:hover{border-color:var(--teal)}
.play-group-switch button[aria-pressed=true]{background:var(--teal-dark);border-color:var(--teal-dark);color:white}
.play-group-switch span{font-size:12px;font-weight:550;margin-inline-start:4px}
.play-themed-card{border-top:3px solid var(--quiz-color,#478875)}
.play-themed-card[data-game="math"]{--quiz-color:#4e83ac}
.play-themed-card[data-game="words"]{--quiz-color:#9064a1}
.play-themed-card[data-game="cipher"]{--quiz-color:#508475}
.play-themed-card[data-game="patterns"]{--quiz-color:#a67a39}
.play-themed-card .play-instructions{margin:-4px 0 10px}

.site-icon{display:inline-block;width:1.1em;height:1.1em;margin-inline-end:.4em;vertical-align:-.14em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.section-heading h2 .site-icon{width:.8em;height:.8em;vertical-align:-.02em;margin-inline-end:.25em}
.lesson-mark .site-icon{width:24px;height:24px;margin:0}
.play-menu .site-icon{width:18px;height:18px}
.discussion-top .site-icon{width:.85em;height:.85em}