/* Shared school identity and clear, persistent learning navigation. */
:root{--school-paper:#f7f7ef;--school-green:#204d3c;--school-line:#dce2d4}
body{background:var(--school-paper)}
a{color:inherit}.skip{position:absolute;top:-100px;left:16px;z-index:100;background:#fff;padding:16px}.skip:focus{top:8px}
.school-header{max-width:1280px;margin:auto;padding:24px 40px;gap:22px;border-bottom:1px solid var(--school-line)}
.school-brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:21px;line-height:1.15;flex-shrink:0}.school-brand small{display:block;font-family:'DM Sans',sans-serif;font-size:10px;letter-spacing:3px;margin-top:7px;font-weight:600}.school-mark{width:49px;height:53px;background:var(--school-green);color:#edf4d6;border-radius:13px 13px 23px 23px;display:grid;place-items:center;font-size:21px;letter-spacing:-1px}
.school-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.school-nav a{padding:12px 17px;border-radius:11px;text-decoration:none;font-size:14px;font-weight:600}.school-nav a.active{background:#e6eddb;color:#234e3b}.school-nav a:hover,.lab-tabs a:hover{background:#eaf0de}.school-back{font-size:14px;font-weight:600;text-decoration:none}
.school-page main{max-width:1280px;padding:32px 40px 80px;min-height:70vh}.school-page h1,.lab-welcome h1{font-size:clamp(40px,5.4vw,68px);line-height:1.05;letter-spacing:-3px}.school-page h1 em,.lab-welcome h1 em{font-style:normal;color:#57805c}.school-page h2{font-size:30px;letter-spacing:-1px}.school-page h3{font-size:25px;letter-spacing:-.6px}.school-page p,.lab-welcome p{font-size:17px;line-height:1.65;color:#637269}.school-page .eyebrow,.discovery-copy .eyebrow{font-size:10px;letter-spacing:1.7px;line-height:1.6}.school-page .section-head h2{margin:7px 0 0}.section-head>a{font-size:14px;font-weight:600;text-decoration:none}
.school-hero{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center;padding:24px 0 40px}.school-hero-copy{padding:20px 0}.school-hero-copy p{max-width:410px;margin:24px 0}.school-hero h1{margin:23px 0}.button-link{display:inline-flex;align-items:center;justify-content:center;gap:30px;border:1px solid #cfdbc5;border-radius:12px;padding:14px 20px;text-decoration:none;font-size:14px;font-weight:700;background:#fff}.button-link.primary{background:var(--school-green);color:#fff;border-color:var(--school-green)}.button-link:hover{filter:brightness(.96)}.hero-notes{display:flex;gap:12px;margin-top:26px;color:#6b7967;font-size:12px}.hero-notes i{font-style:normal}.school-hero-picture{position:relative;background:#e5ecdf;border-radius:28px;overflow:hidden;min-height:420px;display:flex;align-items:center}.school-hero-picture>img{width:100%;height:420px;object-fit:cover}.picture-note{position:absolute;bottom:23px;left:23px;background:#fffef5eb;padding:13px 18px;border:1px solid #e5e7d5;border-radius:13px;color:#38553c;font-size:12px;line-height:1.6;box-shadow:0 5px 25px #23442b0a}
.school-section{margin-top:32px}.grade-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.grade-card{display:flex;align-items:center;gap:23px;background:#e9eedf;border:1px solid #d5dfc9;border-radius:19px;padding:25px;text-decoration:none;transition:transform .15s}.grade-card:hover,.discovery-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px #244b3510}.grade-card h3{margin:5px 0}.grade-card p{font-size:13px;margin:3px 0}.grade-number{font-family:'Space Grotesk',sans-serif;display:grid;place-items:center;font-size:44px;width:77px;height:90px;border-radius:13px;background:#fffef7;color:#446448;flex-shrink:0}.round-arrow{margin-left:auto;display:grid;place-items:center;width:35px;height:35px;border:1px solid #bac9b2;border-radius:50%}.school-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.discovery-card{display:flex;flex-direction:column;text-decoration:none;background:#fffef9;border:1px solid #dce2d3;border-radius:20px;overflow:hidden;text-align:left;color:var(--ink);transition:transform .15s,box-shadow .15s;min-width:0}.discovery-copy{padding:22px;display:flex;flex-direction:column;flex:1}.discovery-copy h3{margin:8px 0;font-family:'Space Grotesk',sans-serif;font-size:24px;line-height:1.15}.discovery-copy p{margin:0 0 16px;font-size:14px;line-height:1.6;color:#637269}.card-link{display:flex;justify-content:space-between;border-top:1px solid #e6e9de;padding-top:16px;margin-top:auto;font-size:13px;font-weight:700}.topic-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}.topic-tags span{padding:5px 8px;border-radius:6px;background:#eef2e6;font-size:10px}.landscape{position:relative;aspect-ratio:1.55;background:#e6eadb}.landscape img{width:100%;height:100%;object-fit:cover}.image-label{position:absolute;top:14px;left:14px;background:#fffef6eF;border:1px solid #e3e7d6;padding:7px 10px;border-radius:8px;font-size:10px;font-weight:700;letter-spacing:.5px}.school-art{aspect-ratio:1.55;background-size:300% auto;background-color:#f1efdf}.class-card .school-art{aspect-ratio:1;background-size:300% 300%;max-height:320px}.curiosity-note{padding:32px 20px;align-self:center;max-width:330px}.curiosity-note>span{font-size:45px;color:#96aa58}.curiosity-note h3{font-size:32px;margin:13px 0}.curiosity-note p{font-size:14px}.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:12px;color:#627361}.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}.crumbs>span:not([aria-current]){color:#8c9988}.page-intro{margin:38px 0}.page-intro h1{margin:15px 0 20px}.page-intro p{max-width:620px}.class-intro{padding:40px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}.class-intro h1{margin:15px 0}.class-seal{background:#e8eecf;border-radius:50%;width:140px;height:140px;flex-shrink:0;display:flex;align-items:center;justify-content:center;flex-direction:column;font-size:16px;gap:8px}.class-seal strong{font-size:12px;letter-spacing:2px}
.lab-page main{padding-top:26px;min-height:60vh}.lab-navigation{max-width:1200px;margin:auto;padding:18px 32px 0}.lab-context{padding-bottom:20px}.lab-tabs{display:flex;flex-wrap:wrap;gap:5px;border-bottom:1px solid var(--school-line);padding-bottom:12px}.lab-tabs a{font-size:13px;font-weight:600;padding:10px 14px;border-radius:9px;text-decoration:none;white-space:nowrap}.lab-tabs a.active{background:var(--school-green);color:#fff}.lab-welcome{display:grid;grid-template-columns:1.3fr .8fr;gap:35px;align-items:center;margin:12px 0 40px}.lab-welcome h1{font-size:clamp(38px,4.6vw,58px);margin:19px 0}.lab-welcome p{max-width:530px}.lab-welcome .small{font-size:12px}.lab-welcome-art{position:relative;border-radius:24px;overflow:hidden;max-height:350px;background:#eeecdd}.lab-welcome-art .word-visual{border-radius:0}.lab-welcome-art .picture-note{bottom:15px;left:15px;font-size:11px}.discovery-art{position:relative;background:#eeecdf;overflow:hidden;aspect-ratio:1.65}.discovery-art .word-visual{position:absolute;width:100%;top:50%;transform:translateY(-50%);border-radius:0}.discovery-grid{gap:22px}.subnav{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 22px}.subnav a{font-size:12px;font-weight:600;text-decoration:none;border:1px solid #d5dfcc;border-radius:9px;padding:9px 13px;background:#fffef8}.lab-page .header-right{gap:18px}.lab-page .header-right #total{font-size:12px;background:#e9efd9;border-radius:20px;padding:8px 13px;white-space:nowrap}.lab-page .gamehead{margin-top:24px}.lab-page footer,.school-page footer{max-width:1200px;margin:auto;flex-wrap:wrap;gap:16px}.discovery-card:focus-visible,.grade-card:focus-visible,a:focus-visible{outline:3px solid #7c9d38;outline-offset:4px}
@media(min-width:1000px){.school-card-grid>.lab-card:only-child{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr}.school-card-grid>.lab-card:only-child .landscape{height:100%;aspect-ratio:auto;min-height:290px}}
@media(max-width:900px){.school-header{padding:20px 24px;flex-wrap:wrap}.school-nav{gap:3px}.school-nav a{padding:10px 12px}.school-page main{padding:22px 24px 60px}.school-hero{gap:24px}.school-hero-picture,.school-hero-picture>img{min-height:330px;height:330px}.school-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-tabs a{padding:10px 11px}.lab-welcome{gap:20px}.lab-welcome-art{max-height:300px}.lab-welcome h1{letter-spacing:-2px}}
@media(max-width:650px){.school-header{gap:18px}.school-brand{font-size:18px}.school-mark{width:43px;height:47px}.school-nav{width:100%;justify-content:space-between}.school-nav a{font-size:12px;padding:9px 12px}.school-hero{grid-template-columns:1fr;padding-top:0;gap:15px}.school-hero-copy{padding-bottom:0}.school-hero-copy p{margin:18px 0}.school-hero-picture,.school-hero-picture>img{height:285px;min-height:285px}.school-page h1{letter-spacing:-2px;font-size:47px}.school-page h2{font-size:26px}.school-page .section-head{align-items:flex-start;gap:20px}.section-head>a{font-size:12px;white-space:nowrap;margin-top:6px}.grade-grid{grid-template-columns:1fr}.grade-card{padding:20px}.school-card-grid{grid-template-columns:1fr}.curiosity-note{max-width:none;background:#edf1e2;border-radius:18px;padding:24px}.curiosity-note h3 br{display:none}.class-seal{width:90px;height:90px;font-size:13px}.class-seal strong{font-size:9px}.class-intro h1{font-size:36px}.lab-navigation{padding:16px 18px 0}.lab-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.lab-tabs a{padding:11px 3px;text-align:center;font-size:11px;white-space:normal;background:#eaf0e2}.lab-page .school-header{padding:17px 18px}.lab-page .header-right{margin-left:auto;gap:10px}.lab-page .header-right #total{font-size:10px;padding:7px 9px}.school-back{font-size:11px}.lab-welcome{grid-template-columns:1fr;margin-bottom:28px}.lab-welcome-art{display:none}.discovery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.discovery-copy{padding:17px}.discovery-copy h3{font-size:21px}.discovery-copy .eyebrow{font-size:9px;letter-spacing:1px}.discovery-copy p{font-size:13px}.discovery-art{aspect-ratio:1.25}.image-label{font-size:9px;top:9px;left:9px;padding:5px 7px}.lab-page main{padding:20px 18px}.page-intro{margin:23px 0}.lab-page .page-intro h1{font-size:42px;letter-spacing:-2px}.lab-page footer,.school-page footer{padding:24px;font-size:11px}.lab-page .header-right{flex-wrap:wrap}.lab-page .school-brand{font-size:16px}.lab-page .school-mark{width:38px;height:43px}}
@media(max-width:390px){.discovery-grid{grid-template-columns:1fr}.discovery-art{aspect-ratio:1.65}.lab-page .header-right{margin-left:50px}.school-nav a{padding:9px 8px}.school-page main{padding-left:18px;padding-right:18px}}
@media(prefers-reduced-motion:reduce){.discovery-card,.grade-card{transition:none}}
.school-page .school-header{flex-wrap:wrap}.school-nav{margin-left:auto}.learner-button{display:flex;align-items:center;gap:8px;padding:7px 11px;background:#fffef8;font-size:12px;font-weight:600;border-color:#dce2d3;max-width:210px}.learner-button>span:nth-child(2){overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tiny-avatar{display:grid;place-items:center;background:#e6eccf;width:25px;height:25px;border-radius:50%;flex-shrink:0}.learner-button:hover{background:#edf2df}#learner-dialog{border:1px solid #d2ddc6;background:#fafbf3;color:var(--ink);border-radius:24px;padding:32px;max-width:500px;width:calc(100% - 30px);max-height:90vh;overflow:auto;box-shadow:0 20px 100px #15332933}#learner-dialog::backdrop{background:#14332466;backdrop-filter:blur(3px)}#learner-dialog h2{font-size:32px;margin:16px 0 10px}#learner-dialog p{font-size:14px;line-height:1.6;color:#62725d}.learner-close{float:right;padding:5px 9px}.learner-list{display:grid;gap:9px;margin:22px 0}.learner-option{display:flex;align-items:center;gap:12px;text-align:left;background:#fff;border:1px solid #d7e0cf;overflow-wrap:anywhere}.learner-option.selected{border-color:#456e46;background:#edf2db}.learner-option b{margin-left:auto}.learner-avatar{width:37px;height:37px;display:grid;place-items:center;background:#dae6c2;border-radius:50%;flex-shrink:0}.learner-input{display:flex;gap:8px;margin:9px 0 18px}.learner-input input{min-width:0;flex:1;border:1px solid #c5d2b7;background:white;border-radius:10px;padding:12px;font:inherit;font-size:14px}.learner-input button{font-size:12px;padding:10px 14px}.learner-privacy{border-top:1px solid #dce2d3;padding-top:18px;font-size:11px!important}#learner-dialog label,#learner-dialog summary{font-size:12px;font-weight:600}#learner-dialog summary{cursor:pointer}.lab-page .header-right{flex-wrap:wrap;justify-content:flex-end}.school-page main:focus,.lab-page main:focus{outline:none}@media(max-width:650px){.school-page .school-header .school-nav{order:3}.school-page .school-header .learner-button{margin-left:auto;max-width:145px}.lab-page .header-right{gap:8px;max-width:180px}.lab-page .learner-button{font-size:11px;max-width:180px}.lab-page .header-right #total{padding:6px 8px}.lab-page .header-right .school-back{display:none}#learner-dialog{padding:23px}.lab-page .school-header{flex-wrap:nowrap}.lab-page .header-right{margin-left:auto}}
.school-hero{grid-template-columns:1fr;padding:22px 0 35px;border-bottom:1px solid var(--school-line)}.school-hero-copy{max-width:800px}.school-hero-copy p{max-width:640px}.school-hero h1{font-size:clamp(44px,5.4vw,68px)}.hero-notes{font-weight:600;font-size:14px;letter-spacing:.3px;color:#426249}
.lab-page .header-right #total{display:inline-block}

/* Two primary learning sections; activity links remain inside Missions. */
.lab-tabs{gap:8px}.lab-tabs a{min-width:125px;text-align:center}.lab-entry-sections{grid-template-columns:repeat(2,minmax(0,1fr));max-width:900px}.lab-entry-sections .discovery-art{aspect-ratio:1.8}.lab-entry-sections .discovery-copy{padding:26px}.lab-entry-sections .discovery-copy h3{font-size:30px}.mission-extras{margin-top:46px}.mission-extras .section-head h2{margin-top:10px}.lab-context .crumbs a:last-child{color:var(--ink)}
@media(max-width:650px){.lab-tabs{display:flex}.lab-tabs a{flex:1;font-size:14px;padding:12px}.lab-entry-sections{grid-template-columns:1fr}.lab-entry-sections .discovery-copy{padding:22px}.lab-entry-sections .discovery-copy h3{font-size:26px}.lab-entry-sections .discovery-art{aspect-ratio:1.85}}

.lab-entry-sections{grid-template-columns:repeat(3,minmax(0,1fr));max-width:none}
@media(max-width:900px){.lab-entry-sections{grid-template-columns:1fr}.lab-tabs a{min-width:0}}

/* Teal headings and warm orange actions, with green reserved for success. */
:root{--ink:#174c50;--muted:#586c6d;--school-green:#174c50;--school-paper:#faf8f1;--school-line:#e4dfd3;--border:#e4dfd3;--accent:#b84a25;--accent-dark:#963b1e;--peach:#fbe8da}
h1,h2,h3,.word-title,.school-brand{color:var(--ink)}
.school-brand small strong{font-weight:800}.school-brand small{font-size:11px;letter-spacing:2.5px}
.school-page h1 em,.lab-welcome h1 em,.eyebrow,.card-link,.hero-notes{color:var(--accent)}
button,.button-link,.subnav a{background:#fff8f2;color:var(--accent-dark);border-color:#e6c9b8}
button:hover,.button-link:hover,.subnav a:hover{background:var(--peach)}
.primary,.button-link.primary,.lab-tabs a.active{background:var(--accent);border-color:var(--accent);color:#fff}
.primary:hover,.button-link.primary:hover{background:var(--accent-dark)}
.quiet{background:transparent}.lime{background:var(--peach);border-color:#e6c9b8;color:var(--accent-dark)}
.school-nav a.active,.school-nav a:hover,.lab-tabs a:hover{background:var(--peach);color:var(--accent-dark)}
.lab-tabs a.active:hover{background:var(--accent-dark);color:#fff}
.grade-card,.strip,.word-banner{background:#f8ebdf;border-color:#e6d2c1}.grade-number{color:var(--accent)}
.topic-tags span{background:var(--peach)}.meter i{background:var(--accent)}
.school-mark{background:var(--ink);color:#fff8ed}.learner-avatar{background:var(--peach)}
.learner-option.selected{background:#fbe8da;border-color:var(--accent)}
button:focus-visible,a:focus-visible,input:focus-visible{outline-color:var(--ink)}
.word-answer .answer-letter{background:var(--ink)}.controls button[aria-pressed=true]{background:var(--peach);color:var(--accent-dark);border-color:var(--accent)}
.feedback.good{background:#dff3d6;color:#234c27}.quiz-correct{outline:3px solid #518238;outline-offset:2px}.quiz-next{margin-top:20px}.quiz-welcome{display:grid;grid-template-columns:1.5fr 1fr;gap:30px;align-items:center}.quiz-welcome-art{max-width:320px;justify-self:center;width:100%;border-radius:20px;overflow:hidden}
@media(max-width:760px){.quiz-welcome{grid-template-columns:1fr}.quiz-welcome-art{max-width:240px}.strip{flex-wrap:wrap}.school-brand{font-size:18px}.school-brand small{font-size:10px;letter-spacing:2px}}