/* Shared visual language from Year 4 / Course 1. */
:root{--course-forest:#123b32;--course-green:#326f60;--course-lime:#d6ec9b;--course-cream:#f1eee7;--course-ink:#17232c;--course-line:#cbd2ca}
body.course-theme{background:var(--course-cream);color:var(--course-ink);font-family:Arial,Helvetica,sans-serif}
.course-theme .course-topbar{max-width:none;padding:22px max(24px,calc((100% - 1320px)/2));background:var(--course-forest);color:white;border-bottom:1px solid #54756c;font-family:Arial,Helvetica,sans-serif}
.course-theme .course-brand small{color:#b7cfc4}.course-theme .course-brand>span{color:var(--course-lime)}
.course-theme .course-topbar-links>a{border-radius:0}.course-theme .course-topbar-links>a:hover{background:#285247}
.course-theme .course-topbar .course-topbar-links>a[aria-current=page]{background:var(--course-lime);color:var(--course-forest)}
.course-theme .course-locked{background:#20483e;color:#bfd0c4;border-radius:0}
.course-theme .course-topbar-actions .course-submit{background:var(--course-lime);color:var(--course-forest);border-radius:0}
.course-theme a:focus-visible,.course-theme button:focus-visible,.course-theme summary:focus-visible{outline:3px solid #708d27;outline-offset:4px}
.course-theme .course-topbar a:focus-visible{outline-color:var(--course-lime)}
/* Live board and submission page share the same hero and surfaces. */
body.board-theme main,body.board-theme.dashboard main{max-width:1320px;padding:0 24px 72px;margin:auto}
body.board-theme main>header{position:relative;isolation:isolate;margin:0 0 32px;padding:64px 0 48px;display:flex;gap:48px;align-items:center;color:white}
body.board-theme main>header::before{content:'';position:absolute;z-index:-1;inset:0;background:var(--course-forest);box-shadow:0 0 0 100vmax var(--course-forest);clip-path:inset(0 -100vmax)}
body.board-theme main>header>div{flex:1;min-width:0}
body.board-theme main>header .eyebrow{display:block;color:var(--course-lime);font-size:11px;letter-spacing:.15em;font-weight:700}
body.board-theme h1,body.board-theme.dashboard h1{font-size:clamp(46px,6.3vw,88px);line-height:.98;letter-spacing:-.065em;margin:26px 0 24px;max-width:940px;color:white}
body.board-theme h1 em{display:block;color:var(--course-lime);font-style:normal}
body.board-theme #intro,body.board-theme.dashboard #intro{display:block;max-width:710px;color:#d9e6df;font-size:20px;line-height:1.5;margin:0}
body.board-theme .board-welcome-actions{margin-top:30px;gap:24px;color:white}
body.board-theme .button{border-radius:0;background:var(--course-forest);color:white;border:1px solid var(--course-forest);font-weight:700}
body.board-theme .board-welcome-actions .button{padding:16px 20px;background:var(--course-lime);color:var(--course-forest);border-color:var(--course-lime)}
body.board-theme #join,body.board-theme.dashboard #join{display:flex;background:white;color:var(--course-forest);border-radius:0;border:0;padding:12px;flex-direction:column;text-decoration:none}
body.board-theme #qr,body.board-theme.dashboard #qr{width:132px!important;height:132px!important}
body.board-theme #join p{font-size:10px;display:block;color:var(--course-green)}
body.board-theme .board-section-links{border-color:var(--course-line);padding-bottom:20px;margin-bottom:32px;gap:26px;font-weight:700}
body.board-theme .board-layout{gap:28px;grid-template-columns:minmax(0,1.85fr) minmax(280px,1fr)}
body.board-theme .board-layout>.board-surface{border:0;border-top:2px solid var(--course-forest);border-radius:0;padding:28px 0;background:transparent}
body.board-theme .board-surface h2,body.board-theme.dashboard .board-surface h2,body.board-theme.dashboard .board-heading h2{font-size:32px;letter-spacing:-.045em;line-height:1.1}
body.board-theme .board-kicker{color:var(--course-green);font-size:10px;letter-spacing:.15em;margin-bottom:12px}
body.board-theme .live-label{background:var(--course-lime);color:var(--course-forest);border-radius:0}
body.board-theme #experiment-count{background:var(--course-lime);color:var(--course-forest);border-radius:0;line-height:1.6}
body.board-theme .board-explanation{line-height:1.6;color:#52645e}
body.board-theme .leaderboard-scroll{border:1px solid var(--course-line);border-radius:0;background:#fff;max-height:590px}
body.board-theme #experiment-leaderboard th{background:#e3e7df;color:var(--course-forest)}
body.board-theme #experiment-leaderboard td{border-color:#e1e5df}body.board-theme #experiment-leaderboard tbody tr:hover{background:#f1f5e9}
body.board-theme .activity-item{background:#e3e7df;border:0;border-radius:0;padding:20px}
body.board-theme #activity-list:empty::after{background:#e3e7df;border-radius:0}
body.board-theme .project-card{background:white;border:1px solid var(--course-line);border-radius:0;box-shadow:none}
body.board-theme .project-name{font-size:23px;letter-spacing:-.04em}
body.board-theme .project-disclosure>summary{padding:24px 36px 24px 20px}
body.board-theme .share-actions .button{background:transparent;color:var(--course-forest)}
body.board-theme .assignment-brief{border-radius:0;border:1px solid var(--course-line);background:#fff}
body.board-theme #course-grading{background:var(--course-forest);color:#d9e6df;padding:32px;margin-top:24px}
body.board-theme #course-grading h2{color:var(--course-lime);font-size:32px;letter-spacing:-.04em}
body.board-theme #course-grading a{color:var(--course-lime)}
body.board-theme #experiment-evidence{border-radius:0}body.board-theme #experiment-result{border-radius:0;background:#e3e7df}
/* Assignment guide: keep the colourful design studio, unify the page around it. */
.guide-theme main{max-width:1320px}
.guide-theme .hero{position:relative;isolation:isolate;color:white;padding-top:70px;padding-bottom:60px}
.guide-theme .hero::before{content:'';position:absolute;z-index:-1;inset:0;background:var(--course-forest);box-shadow:0 0 0 100vmax var(--course-forest);clip-path:inset(0 -100vmax)}
.guide-theme .hero h1{font-family:Arial,Helvetica,sans-serif;letter-spacing:-.065em;line-height:.98}
.guide-theme .hero h1 em{color:var(--course-lime);font-family:inherit;font-style:normal}
.guide-theme .hero .eyebrow{color:var(--course-lime)}.guide-theme .hero .lead{color:#d9e6df}
.guide-theme .hero .button{background:var(--course-lime);color:var(--course-forest);border-radius:0}
.guide-theme .hero .text-button{color:white}
.guide-theme .mission{color:var(--course-forest);background:var(--course-lime);border-radius:0;transform:none}
.guide-theme .hero .mission .eyebrow{color:var(--course-forest)}
.guide-theme .section-heading h2{letter-spacing:-.055em}.guide-theme .showcase{border-radius:0;background:var(--course-forest)}
.grading-theme main{max-width:1272px}.grading-theme main>h1{font-size:clamp(44px,6vw,80px);letter-spacing:-.065em;color:var(--course-forest)}
.grading-theme main>section,.grading-theme #components>article{border-radius:0;border-color:var(--course-line)}
.grading-theme .weights a{background:var(--course-lime);border-radius:0;color:var(--course-forest)}
.grading-theme #components h2{font-size:32px;letter-spacing:-.045em}
@media(max-width:950px){body.board-theme .board-layout{grid-template-columns:1fr}body.board-theme main>header{gap:24px}body.board-theme #activity-list{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.course-theme .course-topbar{padding:18px 16px}body.board-theme main,body.board-theme.dashboard main{padding:0 16px 40px}body.board-theme main>header{padding:44px 0 36px;margin-bottom:24px}body.board-theme h1,body.board-theme.dashboard h1{font-size:49px}body.board-theme #intro,body.board-theme.dashboard #intro{font-size:18px}body.board-theme #join,body.board-theme.dashboard #join{display:none}body.board-theme .board-welcome-actions{gap:18px;font-size:12px}body.board-theme .board-layout>.board-surface{padding:22px 0}body.board-theme #activity-list{grid-template-columns:1fr}body.board-theme .board-surface h2{font-size:28px}body.board-theme .board-section-links{gap:16px}.guide-theme .hero{padding-top:44px;padding-bottom:40px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body.board-theme main>header::before,.guide-theme .hero::before{display:none}body.board-theme h1,body.board-theme #intro,.guide-theme .hero{color:#17232c}body.board-theme #course-grading{background:white;color:#17232c}}
/* Full-width hero backgrounds must not introduce a scrollbar on desktop. */
body.course-theme{overflow-x:clip}
#submission-tracker{grid-column:1/-1;scroll-margin-top:24px}.tracker-controls{display:flex;align-items:end;flex-wrap:wrap;gap:20px;margin:24px 0}.tracker-controls label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:700}.tracker-controls input,.tracker-controls select{font:inherit;padding:12px;border:1px solid var(--course-line);background:white;max-width:100%}.tracker-scroll{overflow:auto;max-height:620px;background:white;border:1px solid var(--course-line)}.tracker-scroll table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}.tracker-scroll th,.tracker-scroll td{padding:14px;border-bottom:1px solid var(--course-line);vertical-align:top}.tracker-scroll th{position:sticky;top:0;background:#e3e7df;font-size:12px}.tracker-scroll caption{text-align:left;padding:12px;font-size:12px}.tracker-scroll td:first-child{min-width:190px}.tracker-scroll td:last-child{min-width:180px}#submission-summary{padding:16px;background:var(--course-lime);font-weight:700;line-height:1.6}#submission-update{font-size:12px;color:var(--course-green)}#submission-tracker>p{line-height:1.6}#professor-results article{padding:24px;border:1px solid var(--course-line);background:white;margin:16px 0}#professor-results h3{margin-top:0}
@media(max-width:600px){.tracker-controls{align-items:stretch;flex-direction:column}.tracker-scroll th,.tracker-scroll td{padding:12px;font-size:12px}}
.university-rule{padding:24px;background:white;border:1px solid var(--course-line);margin:16px 0}.university-rule h3{font-size:24px;letter-spacing:-.04em}.university-rule summary{font-weight:700;cursor:pointer}.university-rule p{line-height:1.6}
/* Earned progress, without fabricated podium positions or university marks. */
.game-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.game-heading h2,body.board-theme .game-heading h2{font-size:clamp(32px,4vw,52px);letter-spacing:-.055em;margin:12px 0}.game-heading p{margin:0;color:#61706e}.game-live{display:inline-flex;gap:8px;align-items:center;white-space:nowrap;font-size:10px;font-weight:700;letter-spacing:.1em}.game-live i{width:7px;height:7px;background:#49773e;border-radius:50%;box-shadow:0 0 0 5px #d6ec9b88}.game-overview{display:grid;grid-template-columns:1.2fr 1fr;gap:0;background:#123b32;color:white;overflow:hidden;border-radius:18px}.game-mission{position:relative;padding:32px;background:radial-gradient(circle at 100% 0,#47716155,transparent 65%);border-right:1px solid #54756c}.game-kicker{font-size:10px;letter-spacing:.15em;font-weight:700;color:#d6ec9b}.game-mission h3{font-size:34px;letter-spacing:-.045em;line-height:1.05;margin:16px 0}.game-mission p{font-size:14px;line-height:1.6;max-width:440px;color:#d9e6df}.game-mission>a{display:flex;justify-content:space-between;align-items:center;max-width:320px;background:#d6ec9b;color:#123b32;padding:13px 16px;border-radius:7px;font-size:13px;font-weight:700;text-decoration:none;margin-top:22px}.game-class{padding:32px}.game-big{font-size:70px;font-weight:700;letter-spacing:-.065em;line-height:1;margin:22px 0 18px}.game-big small{display:inline;font-size:16px;letter-spacing:0;color:#b7cfc4;margin-left:12px}.game-meter{height:10px;background:#35564d;border-radius:20px;overflow:hidden}.game-meter>span{display:block;height:100%;background:#d6ec9b;width:0;border-radius:20px}.game-class>p:last-of-type{font-size:13px;color:#b7cfc4;line-height:1.5}.game-stat-row{display:flex;gap:36px;border-top:1px solid #54756c;margin-top:24px;padding-top:20px}.game-stat-row span{font-size:11px;color:#b7cfc4}.game-stat-row b{display:block;color:white;font-size:25px;margin-bottom:4px}.game-milestones{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 24px}.game-milestones>div{display:flex;gap:12px;align-items:center;background:#fff;padding:18px;border:1px solid #d9ded6;border-radius:12px}.mission-icon{width:40px;height:40px;display:grid;place-items:center;flex-shrink:0;border-radius:12px;background:#e3e7df;color:#326f60;font-size:12px;font-weight:700}.mission-star{background:#efe5ff;color:#7952b3;font-size:22px}.game-milestones b{font-size:13px}.game-milestones small{display:block;font-size:11px;color:#61706e;margin-top:5px}#submission-summary.tracker-summary{background:none;padding:0;font-size:12px;color:#61706e;font-weight:400}.tracker-scroll{border-radius:12px;max-height:680px}.tracker-scroll caption{background:white;color:#61706e;font-size:11px}.tracker-scroll th{font-size:10px;text-transform:uppercase;letter-spacing:.06em;background:#e3e7df}.tracker-scroll td{padding:18px 14px;vertical-align:middle}.tracker-scroll td:first-child{min-width:50px}.tracker-scroll td:last-child{min-width:190px}.player-rank{font-size:15px;font-weight:700;color:#326f60}.player-identity{display:flex;align-items:center;gap:12px;min-width:230px}.player-avatar{width:38px;height:38px;border-radius:50%;background:#e3e7df;color:#326f60;display:grid;place-items:center;flex-shrink:0;font-size:12px;font-weight:700}.player-complete .player-avatar{background:#d6ec9b}.player-identity strong{display:block;font-size:13px}.player-identity small{display:block;color:#61706e;font-size:11px;margin-top:5px}.link-earned{display:inline-block;font-size:11px;white-space:nowrap;color:#326f60;text-decoration:none;background:#edf4e6;padding:7px 9px;border-radius:6px}.link-earned:hover{text-decoration:underline}.link-missing{font-size:11px;color:#68726d;white-space:nowrap}.player-score{min-width:120px;white-space:nowrap}.player-score strong{font-size:22px;letter-spacing:-1px;color:#123b32}.player-score>span{font-size:11px;color:#61706e}.player-meter{height:5px;background:#e9ede6;border-radius:10px;margin-top:8px;overflow:hidden}.player-meter span{display:block;height:100%;background:#326f60;border-radius:10px}.player-complete .player-meter span{background:#89ad49}.player-badge{display:inline-block;padding:6px 9px;background:#f1eee7;color:#61706e;font-size:11px;font-weight:700;border-radius:20px}.player-complete .player-badge{background:#efe5ff;color:#674295}.player-review .player-badge{background:#fff0cc;color:#795e14}.tracker-scroll td>small{display:block;color:#61706e;font-size:10px;margin-top:8px}.tracker-scroll td>a:not(.link-earned){font-size:11px}.game-fairplay{padding:16px 0;border-top:1px solid #cbd2ca;font-size:12px;line-height:1.6}.game-fairplay summary{font-weight:700;cursor:pointer}.game-fairplay p{max-width:900px}body.board-theme #submission-tracker{grid-column:1/-1}body.board-theme #experiment-leaderboard{grid-column:1}body.board-theme #activity{grid-column:2}body.board-theme #project-showcase{grid-column:1/-1}
@media(max-width:950px){body.board-theme #activity,body.board-theme #experiment-leaderboard{grid-column:1}.game-overview{grid-template-columns:1fr 1fr}.game-mission,.game-class{padding:24px}.game-milestones{gap:8px}.game-milestones>div{padding:14px;gap:8px}}
@media(max-width:600px){.game-heading{display:block}.game-live{margin-top:16px}.game-overview{grid-template-columns:1fr;border-radius:12px}.game-mission{border-right:0;border-bottom:1px solid #54756c}.game-mission h3{font-size:30px}.game-class{padding:24px}.game-big{font-size:56px}.game-milestones{grid-template-columns:1fr}.game-milestones>div{padding:12px 16px}.game-milestones small{font-size:12px}.game-milestones b{font-size:14px}.game-stat-row{gap:32px}.tracker-scroll td{padding:14px 10px}.game-heading h2,body.board-theme .game-heading h2{font-size:36px}}
@media(max-width:600px){
 .tracker-scroll{border:0;background:transparent;max-height:900px;border-radius:0}.tracker-scroll table,.tracker-scroll tbody{display:block}.tracker-scroll caption{display:block;background:transparent;padding:8px 0 14px}.tracker-scroll thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.tracker-scroll tbody tr{display:grid;grid-template-columns:1fr 1fr;gap:14px 8px;position:relative;padding:18px;margin-bottom:12px;border:1px solid #d9ded6;border-radius:12px;background:white}.tracker-scroll td{display:block;border:0;padding:0;min-width:0!important}.tracker-scroll .player-rank{position:absolute;right:18px;top:20px;font-size:12px}.tracker-scroll td:nth-child(2){grid-column:1/-1;padding-right:35px}.player-identity{min-width:0}.player-identity strong{font-size:13px;line-height:1.4}.tracker-scroll td:nth-child(3)::before{content:'GITHUB';display:block;font-size:9px;letter-spacing:.1em;color:#61706e;margin-bottom:7px}.tracker-scroll td:nth-child(4)::before{content:'LIVE WEBSITE';display:block;font-size:9px;letter-spacing:.1em;color:#61706e;margin-bottom:7px}.tracker-scroll td:nth-child(5){align-self:center}.tracker-scroll td:nth-child(6){padding-left:8px}.tracker-scroll td[colspan]{grid-column:1/-1}.link-earned{font-size:10px;padding:6px}.player-score strong{font-size:26px}.game-class{padding-top:20px;padding-bottom:20px}.game-big{margin:16px 0}.game-milestones{gap:8px}
}