/* Approved D / Airy composition. The exam delivery surface is independently styled. */
html body.duck-airy{--du-nav:0px;--du-bg:#fcfcfd;--du-surface:#fff;--du-soft:#f6f6f8;--du-line:#eeedf1;--du-ink:#111323;--du-muted:#707184;--du-yellow-ink:#5c481c;--du-card-shadow:0 12px 38px rgba(47,40,12,.045);--duck-gradient:linear-gradient(120deg,#fff083 0%,#ffdd46 48%,#ffce28 100%);}
html[data-duck-theme="dark"] body.duck-airy{--du-bg:#15171d;--du-surface:#20232c;--du-soft:#292d37;--du-line:#343946;--du-ink:#f4f5fb;--du-muted:#b8bfcd;--du-yellow-ink:#f6d77a;--du-card-shadow:0 12px 32px #0002;}
html body.duck-airy :is(.modern-ui,#sideNav){font-family:Inter,"Segoe UI",Arial,sans-serif!important;color:var(--du-ink);}
html body.duck-airy #sideNav{position:fixed!important;top:22px!important;right:32px!important;bottom:auto!important;left:32px!important;max-width:1544px!important;margin:0 auto!important;width:calc(100% - 64px)!important;height:80px!important;display:grid!important;grid-template-columns:220px minmax(0,1fr) 148px!important;grid-template-rows:80px;align-items:center;gap:26px;padding:0!important;background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important;overflow:visible!important;}
html body.duck-airy #sideNav.hidden{display:none!important;}
html body.duck-airy #sideNav :is(#navWrong,#navBookmarks,#navJournal,#navPlanner){display:flex!important;}
html body.duck-airy #sideNav .side-nav-head{padding:0!important;margin:0!important;min-height:0!important;width:auto!important;display:block!important;position:static!important;}
html body.duck-airy #sideNav .side-nav-brand{display:grid!important;grid-template-columns:60px 1fr!important;column-gap:12px;align-items:center;letter-spacing:0!important;text-transform:none!important;overflow:visible!important;cursor:pointer;}
html body.duck-airy #sideNav .side-nav-brand .duck-logo{width:60px!important;height:60px!important;grid-row:1/3;margin:0!important;}
html body.duck-airy #sideNav .duck-brand-word{font-size:21px!important;font-weight:700!important;letter-spacing:-.8px!important;}
html body.duck-airy #sideNav .side-nav-brand>span:last-child{font-size:12px!important;margin:3px 0 0!important;color:var(--du-muted)!important;}
html body.duck-airy #sideNav .side-nav-items{display:flex!important;flex-direction:row!important;flex-wrap:nowrap!important;align-items:center;justify-content:space-between;gap:3px!important;padding:10px!important;margin:0!important;min-width:0;overflow:visible!important;background:var(--du-surface);border:1px solid var(--du-line);border-radius:999px!important;box-shadow:0 8px 26px #20160b08;}
html body.duck-airy #sideNav :is(.du-nav-caption,.side-nav-foot,.side-nav-toggle,.side-nav-badge,#duNavMore,.du-nav-search){display:none!important;}
html body.duck-airy #sideNav .side-nav-item{display:flex!important;flex-direction:row!important;align-items:center;justify-content:center;gap:10px!important;flex:0 0 auto!important;width:auto!important;min-height:44px!important;max-width:none!important;padding:10px 12px!important;margin:0!important;border:0!important;border-radius:999px!important;white-space:nowrap;color:var(--du-ink)!important;background:transparent!important;font-size:14px!important;font-weight:400!important;}
html body.duck-airy #sideNav .side-nav-label{display:block!important;font-size:14px!important;font-weight:400!important;letter-spacing:0!important;}
html body.duck-airy #sideNav .side-nav-icon{display:inline-flex!important;align-items:center;justify-content:center;width:20px!important;height:20px!important;margin:0!important;color:inherit;}
html body.duck-airy #sideNav .side-nav-item.active,html body.duck-airy #sideNav .side-nav-item:hover:where(html:not([data-duck-theme="dark"]) *){background:var(--duck-gradient)!important;color:#211b09!important;}
html body.duck-airy .airy-icon{width:22px;height:22px;display:block;flex-shrink:0;}
html body.duck-airy .airy-nav-more{position:relative;flex:0 0 32px;}
html body.duck-airy .airy-nav-more>summary{display:flex;align-items:center;justify-content:center;list-style:none;width:32px;height:40px;border-radius:50%;cursor:pointer;}
html body.duck-airy .airy-nav-more>summary::-webkit-details-marker{display:none;}
html body.duck-airy .airy-nav-more[open]>summary,html body.duck-airy .airy-nav-more:has(.active)>summary{background:var(--duck-gradient);color:#211b09;}
html body.duck-airy .airy-more-menu{position:absolute;right:0;top:calc(100% + 17px);min-width:205px;padding:8px;background:var(--du-surface);border:1px solid var(--du-line);box-shadow:0 14px 38px #0002;border-radius:18px;z-index:95;}
html body.duck-airy .airy-nav-more:not([open]) .airy-more-menu{display:none;}
html body.duck-airy #sideNav .airy-more-menu .side-nav-item{justify-content:flex-start!important;width:100%!important;border-radius:12px!important;}
html body.duck-airy #sideNav .airy-header-account{display:flex!important;gap:9px!important;justify-content:flex-end;margin:0!important;}
html body.duck-airy #sideNav .account-circle{display:flex;align-items:center;justify-content:center;width:43px!important;height:43px!important;min-width:43px!important;padding:0!important;border:0!important;border-radius:50%!important;box-shadow:none!important;background:var(--du-soft)!important;color:var(--du-ink)!important;font-size:21px!important;}
html body.duck-airy #sideNav .account-avatar{font-size:15px!important;font-weight:600;}
html body.duck-airy #sideNav .account-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%;}
html body.duck-airy #sideNav .side-nav-head{grid-column:1;grid-row:1;}
html body.duck-airy #sideNav .side-nav-items{grid-column:2;grid-row:1;}
html body.duck-airy #sideNav .airy-header-account{grid-column:3;grid-row:1;}
html body.duck-airy #sideNav .side-nav-item .side-nav-label{white-space:nowrap;font-size:14px!important;line-height:1.3!important;}
html body.duck-airy #sideNav .account-dropdown:not([open])>.account-popover{display:none!important;}
html body.duck-airy #sideNav .account-popover{background:var(--du-surface);color:var(--du-ink);border-color:var(--du-line);}
html body.duck-airy #sideNav .account-popover button{color:#30260b;background:var(--duck-gradient);border:0;border-radius:99px;padding:9px 20px;}
html body.duck-airy #sideNav{display:flex!important;flex-direction:row!important;flex-wrap:nowrap;align-items:center!important;}
html body.duck-airy #sideNav .side-nav-head{flex:0 0 220px;height:60px!important;}
html body.duck-airy #sideNav .side-nav-brand{display:flex!important;gap:12px;}
html body.duck-airy #sideNav .side-nav-brand .duck-logo{flex:0 0 60px;}
html body.duck-airy #sideNav .side-nav-brand>.airy-brand-copy{display:flex;flex-direction:column;gap:2px;margin:0!important;font-size:12px!important;}
html body.duck-airy #sideNav .airy-brand-copy b{color:var(--du-ink);}
html body.duck-airy #sideNav .side-nav-brand .duck-brand-word{font-size:21px!important;}
html body.duck-airy #sideNav .airy-more-menu #duFindButton{display:flex!important;align-items:center;gap:10px;width:100%;padding:12px!important;margin:0!important;border:0;border-radius:12px;background:transparent;color:var(--du-ink);font-size:14px;}
html body.duck-airy #sideNav .airy-more-menu #duFindButton span{display:block!important;}
html body.duck-airy #sideNav .airy-more-menu #duFindButton:hover:where(html:not([data-duck-theme="dark"]) *){background:var(--duck-gradient);color:#211b09;}
html body.duck-airy #sideNav .side-nav-items{flex:1!important;}
html body.duck-airy #sideNav .side-nav-item{height:44px!important;}
html body.duck-airy #sideNav .side-nav-label{flex-shrink:0;}
html body.duck-airy #sideNav .airy-header-account{flex:0 0 148px;}
html body.duck-airy .modern-ui .studio-heading>.account-circles{display:none!important;}
html body.duck-airy .screen.modern-ui.nav-aware{left:0!important;padding:120px 28px 60px!important;background:var(--du-bg)!important;}
html body.duck-airy .screen.modern-ui.nav-aware>.card{max-width:1544px!important;margin:0 auto!important;padding:0!important;}
html body.duck-airy .modern-ui .studio-heading{border:0!important;min-height:104px!important;margin:0 0 22px!important;padding:16px 0 0!important;display:flex!important;align-items:center;justify-content:space-between;text-align:left;}
html body.duck-airy .modern-ui h1{font-size:36px!important;line-height:1.15!important;font-weight:700!important;letter-spacing:-1.2px!important;margin:0!important;}
html body.duck-airy .modern-ui h2{font-size:22px!important;line-height:1.25!important;font-weight:650!important;letter-spacing:-.8px!important;}
html body.duck-airy .modern-ui .lead{font-size:15px!important;color:var(--du-muted)!important;}
html body.duck-airy #dashboardScreen .studio-heading{position:relative;height:166px!important;min-height:166px!important;align-items:center;margin-bottom:20px!important;padding:0!important;isolation:isolate;}
html body.duck-airy #dashboardScreen .studio-heading::after{content:"";position:absolute;z-index:-1;inset:0 -6px -20px 0;background:radial-gradient(ellipse at 92% 27%,#fff4c180 0%,#fff8e33b 10%,transparent 25%),linear-gradient(172deg,transparent 61%,#faf5e644 62%,#fff1c231 100%);border-radius:70% 20% 0 0/60% 80% 0 0;pointer-events:none;}
html body.duck-airy #dashboardScreen .studio-heading>.duck-mascot{position:absolute;right:64px;bottom:0;width:184px;height:184px;z-index:2;}
html body.duck-airy #dashboardScreen .studio-heading>.duck-mascot::before{content:"";position:absolute;right:-26px;top:5px;width:105px;height:105px;border-radius:50%;background:linear-gradient(145deg,#fff7d99c,#fffef300);z-index:-1;}
html body.duck-airy #dashboardScreen .studio-heading .duck-play{width:184px!important;height:184px!important;min-width:184px!important;padding:0!important;margin:0!important;background:none!important;border:0!important;overflow:visible!important;}
html body.duck-airy .airy-duck-art{display:block!important;background:none!important;mask:none!important;-webkit-mask:none!important;}
html body.duck-airy .airy-duck-art::before,html body.duck-airy .airy-duck-art::after{display:none!important;}
html body.duck-airy #dashboardScreen .airy-duck-art{width:184px!important;height:184px!important;}
html body.duck-airy .airy-duck-art img{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 12px 5px #dca41009);transform-origin:50% 90%;}
html body.duck-airy #sideNav .airy-duck-art img{transform:scaleX(-1);}
html body.duck-airy #dashboardScreen .airy-duck-art img{animation:airy-bob 4.5s ease-in-out infinite;}
html body.duck-airy .duck-play:hover img{animation:airy-wiggle .8s ease-in-out infinite!important;}
html body.duck-airy .duck-egg{z-index:5!important;right:-8px!important;bottom:10px!important;}
html body.duck-airy .duck-bubble{z-index:6!important;left:auto!important;right:72%!important;top:30%!important;bottom:auto!important;pointer-events:none;}
html body.duck-airy .airy-dashboard{display:grid;grid-template-columns:minmax(230px,.9fr) minmax(460px,2.2fr) minmax(290px,1fr);grid-template-rows:340px auto;gap:16px;align-items:start;margin:0 0 26px;}
html body.duck-airy .airy-stats{grid-column:1;grid-row:1/3;display:flex;flex-direction:column;gap:16px;min-width:0;}
html body.duck-airy #dashboardScreen .dash-stats{display:flex!important;flex-direction:column!important;gap:16px!important;margin:0!important;padding:0!important;background:transparent!important;}
html body.duck-airy #dashboardScreen :is(.dash-stat,.mastery-card){display:flex!important;flex-direction:row!important;align-items:center;gap:22px!important;min-height:124px!important;height:124px;padding:24px 20px!important;margin:0!important;border:1px solid var(--du-line)!important;border-radius:25px!important;background:var(--du-surface)!important;box-shadow:var(--du-card-shadow)!important;overflow:hidden;}
html body.duck-airy .airy-stat-icon{flex:0 0 62px;display:flex;align-items:center;justify-content:center;width:62px;height:62px;border-radius:50%;background:var(--duck-soft-gradient);color:#f3ad00;}
html body.duck-airy .airy-stat-icon .airy-icon{width:32px;height:32px;stroke-width:2;}
html body.duck-airy .airy-stat-copy{min-width:0;}
html body.duck-airy #dashboardScreen .dash-stat .l,html body.duck-airy #dashboardScreen .mastery-kicker{font-size:14px!important;line-height:1.3!important;font-weight:400!important;color:var(--du-muted)!important;text-transform:none!important;letter-spacing:0!important;margin:0 0 6px!important;}
html body.duck-airy #dashboardScreen .dash-stat .v,html body.duck-airy #dashboardScreen .mastery-number{font-size:39px!important;line-height:1.12!important;font-weight:650!important;letter-spacing:-1.5px!important;color:var(--du-ink)!important;white-space:nowrap;}
html body.duck-airy #dashboardScreen #dashTime{font-size:32px!important;}
html body.duck-airy #dashboardScreen .mastery-row{display:flex;gap:5px;align-items:baseline;margin:0!important;}
html body.duck-airy #dashboardScreen .mastery-card .mastery-number{color:var(--du-ink)!important;}
html body.duck-airy #dashboardScreen .mastery-card .mastery-kicker{color:var(--du-muted)!important;}
html body.duck-airy .airy-score-divisor{font-size:22px;color:var(--du-muted);white-space:nowrap;}
html body.duck-airy #dashboardScreen .mastery-card .airy-score-divisor{color:var(--du-muted)!important;}
html body.duck-airy #dashboardScreen .studio-chart{grid-column:2;grid-row:1;height:340px;min-height:0!important;min-width:0;display:flex;flex-direction:column;position:relative;padding:20px 24px 14px!important;border:1px solid var(--du-line)!important;border-radius:25px!important;background:var(--du-surface)!important;box-shadow:var(--du-card-shadow)!important;overflow:hidden;}
html body.duck-airy .airy-chart-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:6px;}
html body.duck-airy .airy-chart-header h2{margin:0 0 4px!important;}
html body.duck-airy .airy-chart-caption{margin:0!important;color:var(--du-muted);font-size:14px;line-height:1.4;}
html body.duck-airy .airy-chart-period{width:auto!important;max-width:150px;min-height:38px!important;padding:8px 12px!important;border:1px solid var(--du-line)!important;border-radius:14px!important;color:var(--du-ink)!important;background:var(--du-surface)!important;font:13px Inter,"Segoe UI",Arial,sans-serif!important;}
html body.duck-airy .airy-chart-switch{display:flex;gap:4px;margin-top:auto;padding-top:4px;align-self:flex-start;}
html body.duck-airy .airy-chart-switch button{border:0;background:transparent;color:var(--du-muted);font:12px Inter,"Segoe UI",Arial,sans-serif;padding:3px 8px;border-radius:99px!important;}
html body.duck-airy .airy-chart-switch button[aria-pressed="true"]{color:var(--du-ink);background:var(--du-soft);}
html body.duck-airy .airy-chart-switch button{flex:0 0 auto;min-width:0;width:auto;line-height:1.4;white-space:nowrap;}
html body.duck-airy .airy-activity{position:relative;min-height:0;flex:1;padding-top:16px;}
html body.duck-airy .airy-activity svg{display:block;width:100%;height:200px;overflow:visible;}
html body.duck-airy .airy-activity text{fill:var(--du-muted);font:12px Inter,"Segoe UI",Arial,sans-serif;}
html body.duck-airy .airy-chart-grid{stroke:var(--du-line);stroke-width:1;}
html body.duck-airy .airy-chart-total{position:absolute;right:0;top:0;padding:5px 10px;font-size:12px;border:1px solid var(--du-line);border-radius:11px;background:var(--du-surface);box-shadow:0 3px 8px #00000007;}
html body.duck-airy .airy-activity-column rect{transition:filter .2s,opacity .2s;}
html body.duck-airy .airy-activity-column:hover:where(html:not([data-duck-theme="dark"]) *) rect{filter:saturate(1.5) brightness(.98);}
html body.duck-airy .airy-chart-empty{position:absolute;inset:50% 0 auto;text-align:center;font-size:13px;color:var(--du-muted);}
html body.duck-airy .studio-chart[data-chart-view="activity"] :is(#dashMasteryChart,.dash-chart-head){display:none!important;}
html body.duck-airy .studio-chart[data-chart-view="performance"] .airy-activity{display:none!important;}
html body.duck-airy #dashboardScreen .studio-chart #dashMasteryChart{min-height:0!important;height:198px!important;overflow:hidden;}
html body.duck-airy #dashboardScreen .studio-chart #dashMasteryChart svg{height:190px!important;}
html body.duck-airy #dashboardScreen .studio-chart .dash-chart-head{margin:0!important;}
html body.duck-airy #dashboardScreen .studio-chart .dash-range-toggle{padding:0!important;margin:0!important;}
html body.duck-airy #dashboardScreen .studio-chart .dash-chart-empty{height:150px!important;min-height:0!important;}
html body.duck-airy #dashboardScreen .airy-recent{grid-column:2;grid-row:2;min-width:0;min-height:234px;margin:0!important;padding:20px 16px 16px!important;border:1px solid var(--du-line);border-radius:25px;background:var(--du-surface);box-shadow:var(--du-card-shadow);}
html body.duck-airy .airy-recent-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 8px 18px;}
html body.duck-airy .airy-recent-header h2{margin:0!important;}
html body.duck-airy .airy-recent-header h2{white-space:nowrap;flex-shrink:0;}
html body.duck-airy .airy-text-link{padding:0;border:0;background:none;color:var(--du-yellow-ink);font:12px Inter,"Segoe UI",Arial,sans-serif;}
html body.duck-airy #dashboardScreen .airy-recent>.dash-panel{padding:0!important;margin:0!important;border:0!important;border-radius:0!important;box-shadow:none!important;background:transparent!important;}
html body.duck-airy #dashRecent{display:flex;flex-direction:column;gap:8px;min-width:0!important;}
html body.duck-airy .airy-recent-row{display:grid;grid-template-columns:42px minmax(140px,1fr) 64px 62px 54px max-content;gap:10px;align-items:center;min-height:72px;padding:10px;border:1px solid var(--du-line);border-radius:19px;cursor:pointer;}
html body.duck-airy .airy-paper-icon{display:flex;align-items:center;justify-content:center;width:42px;height:46px;border-radius:50%;background:var(--du-soft);color:var(--du-ink);flex-shrink:0;}
html body.duck-airy .airy-recent-title{font-size:14px;line-height:1.3;font-weight:600;overflow-wrap:anywhere;}
html body.duck-airy .airy-paper-rating{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--du-muted);}
html body.duck-airy .airy-dots{display:flex;gap:3px;}
html body.duck-airy .airy-dots i{width:9px;height:9px;border-radius:50%;background:var(--du-line);}
html body.duck-airy .airy-dots i.filled{background:var(--duck-accent-gradient);}
html body.duck-airy :is(.airy-recent-score,.airy-recent-attempts){display:flex;flex-direction:column;gap:4px;padding-left:10px;border-left:1px solid var(--du-line);font-size:13px;white-space:nowrap;}
html body.duck-airy :is(.airy-recent-score,.airy-recent-attempts) small{font-size:11px;color:var(--du-muted);}
html body.duck-airy .airy-recent-row .bigbtn{font-size:12px!important;padding:10px 12px!important;min-height:39px!important;border:0!important;color:#28200b!important;background:var(--duck-gradient)!important;}
html body.duck-airy .airy-recent-row .bigbtn{display:block;min-width:0!important;width:100%!important;max-width:100%!important;text-align:center;white-space:nowrap;line-height:1.3;}
html body.duck-airy .airy-recent-row:nth-child(even) .bigbtn{background:#fff8dd!important;}
html body.duck-airy .airy-recent-empty{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;padding:32px 12px;color:var(--du-muted);font-size:14px;}
html body.duck-airy .airy-recent-empty .bigbtn{font-size:13px!important;padding:10px 16px!important;}
html body.duck-airy #dashboardScreen .du-next{grid-column:3;grid-row:1/3;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;box-shadow:none!important;background:transparent!important;overflow:visible;min-width:0;}
html body.duck-airy #dashboardScreen .du-next-head{display:none!important;}
html body.duck-airy #dashboardScreen .du-next-list{display:flex!important;flex-direction:column;gap:16px;}
html body.duck-airy #dashboardScreen .du-next-item{display:flex;flex-direction:column;gap:12px;padding:24px!important;border:1px solid var(--du-line)!important;border-radius:25px;background:var(--du-surface);box-shadow:var(--du-card-shadow);}
html body.duck-airy #dashboardScreen .du-next-list>.du-next-item:first-child{position:relative;height:352px;min-height:352px;overflow:hidden;background:var(--duck-gradient)!important;color:#1f1b0d!important;padding:29px 24px!important;border-color:#ffe164!important;cursor:pointer;isolation:isolate;}
html body.duck-airy #dashboardScreen .du-next-list>.du-next-item:first-child>small{font-size:11px!important;font-weight:600!important;letter-spacing:1.5px!important;color:#312507!important;text-transform:uppercase;}
html body.duck-airy #dashboardScreen .du-next-list>.du-next-item:first-child>b{font-size:27px!important;font-weight:650!important;line-height:1.2!important;letter-spacing:-1px!important;color:#171305!important;max-width:100%;}
html body.duck-airy #dashboardScreen .du-next-list>.du-next-item:first-child>p{font-size:15px!important;flex:0!important;margin:0!important;color:#806523!important;}
html body.duck-airy #dashboardScreen .du-next-item .airy-continue-arrow{position:absolute;right:23px;top:134px;display:flex;align-items:center;justify-content:center;width:58px!important;height:58px!important;min-width:0!important;min-height:0!important;padding:0!important;background:#fff3bb!important;color:#30260b!important;border:1px solid #fff9dd!important;border-radius:50%!important;z-index:3;}
html body.duck-airy .airy-continue-arrow .airy-icon{width:27px;height:27px;}
html body.duck-airy .airy-card-duck{position:absolute;right:-40px;bottom:-66px;width:260px;height:260px;pointer-events:none;z-index:-1;transform:rotate(-8deg);}
html body.duck-airy .airy-card-duck img{width:100%;height:100%;object-fit:contain;animation:airy-bob 6s ease-in-out infinite;}
html body.duck-airy #dashboardScreen .airy-planner{min-height:226px;padding:20px 24px!important;gap:16px!important;}
html body.duck-airy .airy-planner h2{margin:0!important;}
html body.duck-airy .airy-planner-event{display:flex;gap:12px;align-items:flex-start;}
html body.duck-airy .airy-planner-event>div{display:block;min-width:0;}
html body.duck-airy .airy-planner-event>div>*{display:block;margin:0 0 4px!important;}
html body.duck-airy .airy-planner-event>div>*{flex:none;}
html body.duck-airy #dashboardScreen .airy-planner-event small{font:13px Inter,"Segoe UI",Arial,sans-serif;text-transform:none;letter-spacing:0;color:var(--du-muted);}
html body.duck-airy #dashboardScreen .airy-planner-event b{font-size:15px;line-height:1.4;color:var(--du-ink);}
html body.duck-airy #dashboardScreen .airy-planner-event p{margin:0!important;font-size:13px;color:var(--du-muted);}
html body.duck-airy #dashboardScreen .airy-planner>.bigbtn{margin-top:auto;align-self:stretch;background:#fff8dd!important;color:#30260b!important;border:0!important;font-size:14px!important;padding:10px 16px!important;min-height:42px!important;}
html body.duck-airy .airy-analysis{margin:10px 0 22px;border:1px solid var(--du-line);border-radius:22px;background:var(--du-surface);overflow:hidden;}
html body.duck-airy .airy-analysis>summary{cursor:pointer;padding:17px 22px;font-size:14px;font-weight:600;}
html body.duck-airy .airy-analysis-body{padding:0 22px 22px;}
html body.duck-airy .airy-analysis:not([open]) .airy-analysis-body{display:none;}
html body.duck-airy .airy-analysis .mastery-range,html body.duck-airy .airy-analysis .mastery-sub{color:var(--du-muted)!important;font-size:14px;}
html body.duck-airy .airy-analysis :is(.mastery-scale,.mastery-legend){display:none!important;}
html body.duck-airy #dashboardScreen .airy-analysis .studio-benchmarks{margin-top:20px!important;}
html body.duck-airy #dashboardScreen .studio-dashboard-grid:empty{display:none!important;}
html body.duck-airy .airy-focus{margin:0 0 26px;}
html body.duck-airy #dashboardScreen .airy-focus>.du-next-item{display:grid;grid-template-columns:auto minmax(130px,1fr) minmax(180px,1.2fr) auto;gap:20px;align-items:center;padding:18px 24px!important;}
html body.duck-airy #dashboardScreen .airy-focus>.du-next-item p{margin:0!important;font-size:13px;}
html body.duck-airy .modern-ui :is(.studio-collection,.study-panel,.review-paper,.modern-review-card,.modern-review-sidebar){border-radius:24px!important;box-shadow:var(--du-card-shadow)!important;}
html body.duck-airy .modern-ui :is(.bigbtn,.study-btn,.review-go){border-radius:999px!important;}
html body.duck-airy .modern-ui :is(.paper,.study-clickable-row){border-radius:18px!important;}
html body.duck-airy :is(.modern-ui,#sideNav) :is(button,summary,[role="link"]):focus-visible{outline:2px solid #b89013;outline-offset:3px;}
html body.duck-airy :is(.modern-ui,#sideNav) :is(.paper,.study-clickable-row,.airy-recent-row,.bigbtn,.account-circle,.side-nav-item){transition:transform .2s ease,box-shadow .2s ease,background .2s ease!important;}
html body.duck-airy .modern-ui :is(.paper,.study-clickable-row,.airy-recent-row):hover:where(html:not([data-duck-theme="dark"]) *){transform:translateY(-2px);box-shadow:0 8px 25px #bc981318;}
html body.duck-airy .modern-ui :is(.paper,.study-clickable-row):hover:where(html:not([data-duck-theme="dark"]) *){background:var(--duck-gradient)!important;color:#30260b!important;}
html body.duck-airy .modern-ui .airy-recent-row:hover:where(html:not([data-duck-theme="dark"]) *){border-color:#edcf69;}
html body.duck-airy .modern-ui :is(.bigbtn,.account-circle):active{transform:scale(.96);}
html body.duck-airy .du-esat-back{position:absolute;right:6px;top:82px;font-size:12px!important;}
html[data-duck-theme="dark"] body.duck-airy #dashboardScreen .studio-heading::after{opacity:.12;}
@keyframes airy-bob{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-5px) rotate(1deg)}}
@keyframes airy-wiggle{0%,100%{transform:rotate(-4deg)}50%{transform:translateY(-7px) rotate(4deg)}}
@media(max-width:1350px){
 html body.duck-airy #sideNav .side-nav-head{flex-basis:190px;}
 html body.duck-airy #sideNav .airy-header-account{flex-basis:138px;}
 html body.duck-airy #sideNav{grid-template-columns:190px minmax(0,1fr) 138px!important;gap:14px;top:18px!important;left:24px!important;right:24px!important;width:calc(100% - 48px)!important;}
 html body.duck-airy #sideNav .side-nav-item{gap:7px!important;padding:9px 8px!important;}
 html body.duck-airy #sideNav .side-nav-item .side-nav-label{font-size:13px!important;}
 html body.duck-airy .airy-dashboard{grid-template-columns:240px minmax(0,1fr) 290px;}
 html body.duck-airy #dashboardScreen :is(.dash-stat,.mastery-card){gap:13px!important;padding:18px!important;}
 html body.duck-airy .airy-stat-icon{width:48px;height:48px;flex-basis:48px;}
 html body.duck-airy .airy-recent-row{grid-template-columns:32px minmax(90px,1fr) 53px max-content;gap:8px;}
 html body.duck-airy .airy-recent-row :is(.airy-paper-rating,.airy-recent-attempts){display:none;}
 html body.duck-airy .airy-recent-row .airy-paper-icon{width:32px;height:36px;}
 html body.duck-airy .airy-recent-row .bigbtn{font-size:11px!important;padding:9px 6px!important;}
}
@media(max-width:1100px){
 html body.duck-airy #sideNav{flex-wrap:wrap;justify-content:space-between;}
 html body.duck-airy #sideNav .side-nav-head{flex:1;order:0;}
 html body.duck-airy #sideNav .side-nav-items{flex:0 0 100%!important;order:2;}
 html body.duck-airy #sideNav .airy-header-account{order:1;}
 html body.duck-airy #sideNav{grid-template-columns:1fr auto!important;grid-template-rows:52px 62px!important;height:122px!important;top:12px!important;gap:8px;}
 html body.duck-airy #sideNav .side-nav-items{grid-column:1/-1;grid-row:2;justify-content:center;}
 html body.duck-airy #sideNav .airy-header-account{grid-column:2;grid-row:1;}
 html body.duck-airy #sideNav .side-nav-brand .duck-logo{width:48px!important;height:48px!important;}
 html body.duck-airy #sideNav .side-nav-brand .duck-logo{flex-basis:48px;}
 html body.duck-airy #sideNav .side-nav-head{height:48px!important;}
 html body.duck-airy #sideNav .side-nav-brand{grid-template-columns:48px 1fr!important;}
 html body.duck-airy .screen.modern-ui.nav-aware{padding-top:152px!important;}
 html body.duck-airy .airy-dashboard{grid-template-columns:230px minmax(0,1fr);grid-template-rows:340px auto auto;}
 html body.duck-airy #dashboardScreen .du-next{grid-column:1/-1;grid-row:3;}
 html body.duck-airy #dashboardScreen .du-next-list{display:grid!important;grid-template-columns:1fr 1fr;}
 html body.duck-airy #dashboardScreen .du-next-list>.du-next-item:first-child{height:240px;min-height:240px;}
 html body.duck-airy #dashboardScreen .airy-planner{min-height:240px;}
 html body.duck-airy .du-esat-back{top:125px;}
}
@media(max-width:700px){
 html body.duck-airy #sideNav{top:8px!important;left:12px!important;right:12px!important;width:calc(100% - 24px)!important;grid-template-rows:48px 60px!important;height:114px!important;}
 html body.duck-airy #sideNav .side-nav-brand .duck-brand-word{font-size:18px!important;}
 html body.duck-airy #sideNav .side-nav-items{justify-content:flex-start;padding:8px!important;gap:4px!important;overflow-x:auto!important;}
 html body.duck-airy #sideNav .side-nav-item{padding:9px 10px!important;min-height:40px!important;}
 html body.duck-airy #sideNav .side-nav-item>.side-nav-icon{display:none!important;}
 html body.duck-airy #sideNav .account-circle{width:36px!important;height:36px!important;min-width:36px!important;}
 html body.duck-airy #sideNav .airy-header-account{flex-basis:126px;}
 html body.duck-airy #sideNav .airy-nav-more{position:static;}
 html body.duck-airy #sideNav .airy-more-menu{position:fixed;top:125px;right:14px;}
 html body.duck-airy .screen.modern-ui.nav-aware{padding:138px 16px 36px!important;}
 html body.duck-airy .modern-ui .studio-heading{padding:8px 0!important;min-height:86px!important;}
 html body.duck-airy .modern-ui h1{font-size:30px!important;}
 html body.duck-airy #dashboardScreen .studio-heading{height:134px!important;min-height:134px!important;padding:0!important;margin-bottom:15px!important;}
 html body.duck-airy #dashboardScreen .studio-heading>.duck-mascot{transform:scale(.67);transform-origin:bottom right;right:4px;}
 html body.duck-airy .airy-dashboard{display:flex;flex-direction:column;gap:16px;}
 html body.duck-airy .airy-stats{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:12px;}
 html body.duck-airy #dashboardScreen .dash-stats{display:contents!important;}
 html body.duck-airy #dashboardScreen :is(.dash-stat,.mastery-card){height:110px;min-height:110px!important;padding:14px!important;gap:10px!important;}
 html body.duck-airy .airy-stat-icon{width:34px;height:34px;flex-basis:34px;}
 html body.duck-airy .airy-stat-icon .airy-icon{width:22px;height:22px;}
 html body.duck-airy #dashboardScreen :is(.dash-stat .v,.mastery-number){font-size:28px!important;}
 html body.duck-airy #dashboardScreen #dashTime{font-size:23px!important;}
 html body.duck-airy #dashboardScreen :is(.dash-stat .l,.mastery-kicker){font-size:11px!important;}
 html body.duck-airy .airy-score-divisor{font-size:16px;}
 html body.duck-airy #dashboardScreen .studio-chart{width:100%;padding:18px 14px 12px!important;height:325px;}
 html body.duck-airy .airy-chart-header h2{font-size:20px!important;}
 html body.duck-airy .airy-chart-caption{font-size:11px;}
 html body.duck-airy .airy-chart-period{max-width:120px;padding:6px!important;font-size:11px!important;}
 html body.duck-airy #dashboardScreen .airy-recent{width:100%;padding:18px 12px!important;}
 html body.duck-airy .airy-recent-header{margin:0 0 14px;}
 html body.duck-airy .airy-recent-row{grid-template-columns:28px minmax(80px,1fr) 44px max-content;padding:9px 7px;gap:6px;}
 html body.duck-airy .airy-recent-title{font-size:12px;}
 html body.duck-airy #dashboardScreen .du-next{width:100%;}
 html body.duck-airy #dashboardScreen .du-next-list{display:flex!important;}
 html body.duck-airy #dashboardScreen .du-next-list>.du-next-item:first-child{height:270px;min-height:270px;}
 html body.duck-airy #dashboardScreen .du-next-list>.du-next-item:first-child>b{font-size:26px!important;max-width:85%;}
 html body.duck-airy #dashboardScreen .airy-planner{min-height:216px;}
 html body.duck-airy #dashboardScreen .airy-focus>.du-next-item{grid-template-columns:1fr auto;gap:10px;}
 html body.duck-airy #dashboardScreen .airy-focus>.du-next-item small{grid-column:1/-1;}
 html body.duck-airy #dashboardScreen .airy-focus>.du-next-item p{grid-column:1;}
 html body.duck-airy #dashboardScreen .airy-focus>.du-next-item button{grid-column:2;grid-row:2/4;max-width:125px;}
}

/* Shared yellow gradients, with a softer dark-mode palette. */
html body.duck-airy.duck-redesign{
 --duck-gradient:linear-gradient(120deg,#fff083 0%,#ffdd46 48%,#ffce28 100%);
 --du-gradient-ink:#111;--du-content-max:1380px;
}
html[data-duck-theme="dark"] body.duck-airy.duck-redesign{
 --duck-gradient:linear-gradient(120deg,#e3cc66 0%,#d9b735 48%,#cda51d 100%);
 --du-gradient-ink:#111;
}
html body.duck-airy.duck-redesign #sideNav.duck-topbar{
 position:fixed!important;top:14px!important;bottom:auto!important;left:24px!important;right:24px!important;
 height:86px!important;width:calc(100% - 48px)!important;max-width:1700px!important;
 padding:10px 20px!important;gap:18px!important;border:1px solid var(--du-line)!important;
 border-radius:26px!important;background:var(--du-surface)!important;box-shadow:0 10px 35px #0000000a!important;
 z-index:90;transform:none!important;
}
html body.duck-airy.duck-redesign #sideNav.duck-topbar .side-nav-items{background:transparent;border:0;box-shadow:none;padding:0!important;height:auto!important;}
html body.duck-airy.duck-redesign #sideNav.duck-topbar .side-nav-head{flex-basis:205px;}
html body.duck-airy.duck-redesign #sideNav.duck-topbar .airy-header-account{padding-left:16px;border-left:1px solid var(--du-line);flex-basis:158px;}
html body.duck-airy.duck-redesign #sideNav.duck-topbar .side-nav-item{padding:10px!important;gap:7px!important;}
html body.duck-airy.duck-redesign #sideNav.duck-topbar :is(.side-nav-item.active,.side-nav-item:hover:where(html:not([data-duck-theme="dark"]) *),.account-circle:hover:where(html:not([data-duck-theme="dark"]) *),.airy-nav-more[open]>summary,.airy-nav-more:has(.active)>summary,.account-sign,.airy-search-menu:hover:where(html:not([data-duck-theme="dark"]) *)){background:var(--duck-gradient)!important;color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign #sideNav.duck-topbar :is(.side-nav-item.active,.side-nav-item:hover:where(html:not([data-duck-theme="dark"]) *)) :is(span,svg){color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign .modern-ui .account-circles{display:none!important;}

/* Readable text on every gold card, in both colour modes. */
html body.duck-airy.duck-redesign :is(#dashboardScreen,#reviewHubScreen,#resultScreen,#wrongHubScreen) :is(.dash-stat,.mastery-card,.du-next-item,.review-paper-head,.scorehead,:where(#wrongBuilder)){
 background:var(--duck-gradient)!important;color:var(--du-gradient-ink)!important;border-color:transparent!important;
 --du-ink:var(--du-gradient-ink);--du-muted:var(--du-gradient-ink);
}
html body.duck-airy.duck-redesign :is(#dashboardScreen,#reviewHubScreen,#resultScreen,#wrongHubScreen) :is(.dash-stat,.mastery-card,.du-next-item,.review-paper-head,.scorehead,:where(#wrongBuilder)) :is(h2,h3,p,b,strong,small,span,div,label,a,button){color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign #dashboardScreen :is(.dash-stat,.mastery-card,.du-next-item) :is(.airy-stat-icon,.airy-paper-icon){background:#ffffff1f;color:var(--du-gradient-ink);}
html body.duck-airy.duck-redesign #dashboardScreen .du-next-item :is(button,.bigbtn){background:#0000000c!important;color:var(--du-gradient-ink)!important;border:1px solid currentColor!important;}
html body.duck-airy.duck-redesign #dashboardScreen .du-next-item button:hover:where(html:not([data-duck-theme="dark"]) *){background:#00000018!important;}
html body.duck-airy.duck-redesign #dashboardScreen .airy-card-duck{width:230px;height:270px;bottom:-42px;right:-14px;transform:rotate(-4deg);}
html body.duck-airy.duck-redesign #dashboardScreen .airy-card-duck img{object-fit:contain;}
html body.duck-airy.duck-redesign #wrongHubScreen #wrongBuilder :is(select,option){background:var(--du-surface)!important;color:var(--du-ink)!important;}
html body.duck-airy.duck-redesign #wrongHubScreen #wrongBuilder select{--du-ink:#111;background:#fff!important;}
html[data-duck-theme="dark"] body.duck-airy.duck-redesign #wrongHubScreen #wrongBuilder select{--du-ink:#f4f5fb;background:#20232c!important;}

/* Category headers receive the same treatment on hover and keyboard focus. */
html body.duck-airy.duck-redesign #libraryScreen .studio-collection>summary{border-radius:23px;transition:background .18s,box-shadow .18s;}
html body.duck-airy.duck-redesign #libraryScreen .studio-collection>summary:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)){background:var(--duck-gradient)!important;color:var(--du-gradient-ink)!important;box-shadow:0 6px 20px #98700018;}
html body.duck-airy.duck-redesign #libraryScreen .studio-collection>summary:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)) :is(span,small,b){color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign #libraryScreen .studio-collection>summary:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)) .collection-num{background:#ffffff1f!important;}

/* Apply the requested text colour to existing gradient buttons and hover cards. */
html body.duck-airy.duck-redesign .modern-ui :is(.bigbtn,.study-btn,.review-go,a.official-solution-link){background:var(--duck-gradient)!important;color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign .modern-ui :is(.bigbtn,.study-btn,.review-go,a.official-solution-link):is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *),:visited){color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign #dashboardScreen .airy-recent-row .bigbtn{background:var(--duck-gradient)!important;color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign #libraryScreen .du-collection-tab[aria-pressed="true"]{color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign #libraryScreen .paper:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)):not(:disabled){background:var(--duck-gradient)!important;color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign #libraryScreen .paper:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)):not(:disabled) :is(.pn,.meta,.meta span),html body.duck-airy.duck-redesign #libraryScreen .paper.compact-paper:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *))::after{color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign :is(#bankScreen,#dashboardScreen) :is(#bankList,#dashboardTiming) .study-clickable-row:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-within:where(html:not([data-duck-theme="dark"]) *)){background:var(--duck-gradient)!important;color:var(--du-gradient-ink)!important;}
html body.duck-airy.duck-redesign :is(#bankScreen,#dashboardScreen) :is(#bankList,#dashboardTiming) .study-clickable-row:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-within:where(html:not([data-duck-theme="dark"]) *)) :is(.study-row-body,b,p,.bigbtn){color:var(--du-gradient-ink)!important;}

/* Artwork occupies only unused side margins and never receives clicks. */
html body.duck-airy #deleteAccountForm{margin-top:16px;padding:16px;border:1px solid var(--du-line);border-radius:12px;background:var(--du-soft);}
html body.duck-airy #deleteAccountEmail{overflow-wrap:anywhere;}
html body.duck-airy #deleteAccountForm label{display:block;margin:14px 0;}
html body.duck-airy #deleteAccountPassword{display:block;width:100%;box-sizing:border-box;margin-top:6px;}
html body.duck-airy .delete-account-actions{display:flex;flex-wrap:wrap;gap:10px;}
html body.duck-airy .delete-account-actions .bigbtn{white-space:normal;min-height:44px;}
html body.duck-airy #deleteAccountStatus:not(:empty){margin:12px 0 0;line-height:1.5;}
html body.duck-airy #verificationView{line-height:1.6;}
html body.duck-airy #verificationView .verification-address{overflow-wrap:anywhere;padding:12px 16px;background:var(--du-soft);border:1px solid var(--du-line);border-radius:12px;font-weight:600;}
html body.duck-airy #verificationView .verification-actions{display:flex;flex-direction:column;gap:10px;margin:20px 0 12px;}
html body.duck-airy #verificationView .verification-actions .bigbtn{width:100%;white-space:normal;min-height:44px;}
html body.duck-airy #verificationStatus{min-height:3em;font-size:14px;color:var(--du-muted);}
html body.duck-airy #verificationView .switchline{margin-top:18px;}
html body.duck-airy .duck-garden{display:none;pointer-events:none;user-select:none;}
html body.duck-airy .duck-garden img{position:fixed;bottom:45px;width:min(260px,calc((100vw - var(--du-content-max))/2 - 20px));height:auto;pointer-events:none;opacity:.94;}
html body.duck-airy .duck-garden-left{left:8px;}
html body.duck-airy .duck-garden-right{right:8px;transform:scaleX(-1);}
html body.duck-airy .screen.modern-ui.nav-aware>.card{position:relative;z-index:1;}
@media(min-width:1351px) and (max-width:1439px){
 html body.duck-airy .airy-recent-row{grid-template-columns:36px minmax(100px,1fr) 58px 68px 64px max-content;gap:8px;}
 html body.duck-airy .airy-recent-row:not(:has(.airy-paper-rating)){grid-template-columns:36px minmax(100px,1fr) 68px 64px max-content;}
}
@media(min-width:1440px){
 html body.duck-airy.duck-redesign{--du-content-max:1200px;}
 html body.duck-airy.duck-redesign .screen.modern-ui.nav-aware>.card{max-width:var(--du-content-max)!important;}
 html body.duck-airy .duck-garden{display:block;}
 html body.duck-airy .airy-recent-row{grid-template-columns:32px minmax(90px,1fr) 64px max-content;gap:8px;}
 html body.duck-airy .airy-recent-row :is(.airy-paper-rating,.airy-recent-attempts){display:none;}
 html body.duck-airy .airy-recent-row .airy-paper-icon{width:32px;height:36px;}
}
@media(min-width:1720px){
 html body.duck-airy.duck-redesign{--du-content-max:1380px;}
 html body.duck-airy .airy-recent-row{grid-template-columns:36px minmax(100px,1fr) 58px 68px 64px max-content;gap:8px;}
 html body.duck-airy .airy-recent-row:not(:has(.airy-paper-rating)){grid-template-columns:36px minmax(100px,1fr) 68px 64px max-content;}
 html body.duck-airy .airy-recent-row :is(.airy-paper-rating,.airy-recent-attempts){display:flex;}
}
@media(max-width:1100px){
 html body.duck-airy.duck-redesign #sideNav.duck-topbar{height:134px!important;gap:8px!important;padding:8px 14px!important;}
 html body.duck-airy.duck-redesign #sideNav.duck-topbar .side-nav-head{flex:1;}
 html body.duck-airy.duck-redesign .screen.modern-ui.nav-aware{padding-top:166px!important;}
 html body.duck-airy.duck-redesign .du-esat-back{top:142px;}
}
@media(max-width:700px){
 html body.duck-airy.duck-redesign #sideNav.duck-topbar{left:8px!important;right:8px!important;top:8px!important;width:calc(100% - 16px)!important;height:124px!important;padding:8px 10px!important;border-radius:21px!important;}
 html body.duck-airy.duck-redesign #sideNav.duck-topbar .airy-header-account{padding-left:8px;flex-basis:126px;gap:6px!important;}
 html body.duck-airy.duck-redesign #sideNav.duck-topbar .side-nav-brand{gap:6px;}
 html body.duck-airy.duck-redesign #sideNav.duck-topbar .side-nav-brand .duck-brand-word{font-size:16px!important;}
 html body.duck-airy.duck-redesign #sideNav.duck-topbar .side-nav-brand .duck-logo{width:38px!important;height:38px!important;flex-basis:38px;}
 html body.duck-airy.duck-redesign .screen.modern-ui.nav-aware{padding-top:148px!important;}
 html body.duck-airy.duck-redesign #sideNav .airy-more-menu{top:137px;}
 html body.duck-airy.duck-redesign #dashboardScreen .airy-card-duck{width:175px;height:230px;bottom:-44px;right:-12px;}
 html body.duck-airy .airy-recent-row{grid-template-columns:28px minmax(70px,1fr) 64px max-content;}
 html body.duck-airy .airy-recent-score{padding-left:8px;font-size:12px;}
}

/* Floating mallards and a softly shaded, pointed egg. */
html body.duck-airy.duck-redesign .duck-mascot .duck-egg{
 left:auto!important;right:0!important;bottom:20px!important;width:32px;height:44px;
 border-radius:50%;border:0!important;padding:0!important;
 background:transparent!important;box-shadow:none;filter:drop-shadow(0 2px 2px #0002);
}
html body.duck-airy.duck-redesign .duck-mascot .duck-egg svg{display:block;width:100%;height:100%;}
html body.duck-airy.duck-redesign .duck-mascot .duck-egg:hover:where(html:not([data-duck-theme="dark"]) *){box-shadow:none;filter:drop-shadow(0 0 4px #e4bd32);}
html body.duck-airy.duck-redesign #dashboardScreen .airy-card-duck{width:220px;height:220px;bottom:-12px;right:-4px;transform:none;}

/* Every paper uses the same compact title, difficulty and score row. */
html body.duck-airy.duck-redesign #libraryScreen :is(.paper-grid,.mock-pair-row){grid-template-columns:minmax(0,1fr)!important;gap:10px!important;}
html body.duck-airy.duck-redesign #libraryScreen .mock-pair-head,
html body.duck-airy.duck-redesign #libraryScreen .mock-pair-cell::before{display:none!important;}
html body.duck-airy.duck-redesign #libraryScreen .paper.airy-library-row{
 display:grid!important;grid-template-columns:36px minmax(130px,1fr) 68px 76px 72px max-content!important;
 align-items:center!important;gap:14px!important;width:100%;height:auto!important;min-height:78px!important;padding:14px 16px!important;
 border:1px solid var(--du-line)!important;border-radius:18px!important;text-align:left;
 background:var(--du-surface)!important;color:var(--du-ink)!important;box-shadow:none!important;
}
html body.duck-airy.duck-redesign #libraryScreen .paper.airy-library-row[hidden]{display:none!important;}
html body.duck-airy.duck-redesign #libraryScreen .paper.airy-library-row::after{display:none!important;}
html body.duck-airy.duck-redesign #libraryScreen .airy-library-copy{display:flex;flex-direction:column;gap:6px;min-width:0;}
html body.duck-airy.duck-redesign #libraryScreen .airy-library-row .pn{font-size:14px!important;line-height:1.35!important;padding:0!important;}
html body.duck-airy.duck-redesign #libraryScreen .airy-paper-detail{font-size:12px;line-height:1.4;color:var(--du-muted);font-weight:400;}
html body.duck-airy.duck-redesign #libraryScreen .airy-paper-icon{width:36px;height:40px;}
html body.duck-airy.duck-redesign #libraryScreen .airy-paper-open{
 display:block;padding:12px 13px;border-radius:24px;background:var(--duck-gradient);color:var(--du-gradient-ink);font-size:12px;font-weight:650;text-align:center;white-space:nowrap;
}
html body.duck-airy.duck-redesign #libraryScreen .airy-library-row:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)):not(:disabled){background:var(--duck-gradient)!important;border-color:#dfbe37!important;}
html body.duck-airy.duck-redesign #libraryScreen .airy-library-row:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)):not(:disabled) :is(span,small,b,svg){color:var(--du-gradient-ink)!important;}
/* Pair the icon colour with its badge background in both themes. */
html body.duck-airy.duck-redesign #libraryScreen .airy-library-row:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)):not(:disabled) .airy-paper-icon{background:#fff!important;color:#30260b!important;}
html body.duck-airy.duck-redesign #libraryScreen .airy-library-row:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)):not(:disabled) .airy-paper-icon svg{color:#30260b!important;}
html body.duck-airy.duck-redesign #libraryScreen .airy-library-row:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)):not(:disabled) .airy-paper-open{background:#ffffff66;}
html body.duck-airy.duck-redesign #libraryScreen .airy-library-row:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)) .airy-dots i.filled{background:#715705;}
html body.duck-airy.duck-redesign #libraryScreen .airy-library-row:is(:hover:where(html:not([data-duck-theme="dark"]) *),:focus-visible:where(html:not([data-duck-theme="dark"]) *)) :is(.airy-recent-score,.airy-recent-attempts){border-color:#1112;}
html body.duck-airy.duck-redesign #libraryScreen .airy-library-row:focus-visible{outline:3px solid #b48b00;outline-offset:3px;}

/* Review navigation sits above the full-width question and solution. */
html body.duck-airy.duck-redesign #modernReviewScreen .modern-review-layout{display:grid!important;grid-template-columns:minmax(0,1fr)!important;gap:18px!important;}
html body.duck-airy.duck-redesign #modernReviewScreen .modern-review-navigation{position:static;margin:0!important;padding:16px!important;border-radius:20px!important;}
html body.duck-airy.duck-redesign #modernReviewScreen #modernReviewNavigator{display:block!important;max-height:none!important;overflow:visible;padding:3px;}
html body.duck-airy.duck-redesign #modernReviewScreen .modern-review-question-group{display:grid;grid-template-columns:repeat(20,minmax(0,1fr));gap:8px;}
html body.duck-airy.duck-redesign #modernReviewScreen .modern-review-jump{min-height:40px!important;font-size:13px!important;}
html body.duck-airy.duck-redesign #modernReviewScreen #modernReviewContent{min-width:0;}
@media(max-width:700px){
 html body.duck-airy.duck-redesign #libraryScreen .paper.airy-library-row{grid-template-columns:28px minmax(0,1fr) 60px max-content!important;gap:10px!important;padding:13px 12px!important;min-height:112px!important;}
 html body.duck-airy.duck-redesign #libraryScreen .airy-paper-icon{grid-column:1;grid-row:1;width:28px;height:34px;}
 html body.duck-airy.duck-redesign #libraryScreen .airy-library-copy{grid-column:2/4;grid-row:1;}
 html body.duck-airy.duck-redesign #libraryScreen .airy-paper-open{grid-column:4;grid-row:1;padding:11px 8px;font-size:11px;}
 html body.duck-airy.duck-redesign #libraryScreen .airy-paper-rating{grid-column:1/3;grid-row:2;flex-direction:row;align-items:center;gap:8px;font-size:11px;}
 html body.duck-airy.duck-redesign #libraryScreen .airy-recent-score{grid-column:3;grid-row:2;padding-left:0;border-left:0;font-size:11px;gap:3px;}
 html body.duck-airy.duck-redesign #libraryScreen .airy-recent-attempts{grid-column:4;grid-row:2;font-size:11px;gap:3px;}
 html body.duck-airy.duck-redesign #libraryScreen .airy-rating-empty{display:none;}
 html body.duck-airy.duck-redesign #libraryScreen .airy-library-row:not(:has(.airy-dots)) :is(.airy-recent-score,.airy-recent-attempts){grid-row:2;}
 html body.duck-airy.duck-redesign #modernReviewScreen .modern-review-navigation{padding:12px!important;}
 html body.duck-airy.duck-redesign #modernReviewScreen .modern-review-question-group{gap:7px;}
}
@media(prefers-reduced-motion:reduce){html body.duck-airy :is(.modern-ui,#sideNav) *{animation:none!important;transition:none!important;}html body.duck-airy .modern-ui :is(.paper,.study-clickable-row,.airy-recent-row):hover:where(html:not([data-duck-theme="dark"]) *){transform:none!important;}}


@media(max-width:1100px){html body.duck-airy.duck-redesign #modernReviewScreen .modern-review-question-group{grid-template-columns:repeat(10,minmax(0,1fr));}}
@media(max-width:540px){html body.duck-airy.duck-redesign #modernReviewScreen .modern-review-question-group{grid-template-columns:repeat(6,minmax(0,1fr));}}
html body.duck-airy.duck-redesign #libraryScreen .paper-grid{grid-auto-rows:minmax(78px,auto)!important;}
html body.duck-airy.duck-redesign #dashboardScreen :is(.dash-stat,.mastery-card,.du-next-item){position:relative;isolation:isolate;}
html body.duck-airy.duck-redesign #dashboardScreen :is(.dash-stat,.mastery-card,.du-next-item)>:not(.airy-card-duck){position:relative;z-index:1;}
html body.duck-airy.duck-redesign #dashboardScreen .du-next-item>.airy-continue-arrow{position:absolute;z-index:3;}

@media(max-width:700px){html body.duck-airy.duck-redesign #libraryScreen .paper-grid{grid-auto-rows:minmax(112px,auto)!important;}}
html body.duck-airy.duck-redesign #startScreen .paper-timing-field{max-width:360px;margin:20px 0;}
html body.duck-airy.duck-redesign #startScreen .paper-timing-field select{width:100%;}

/* Content-sized actions keep platform font metrics from pushing the arrow out. */
html body.duck-airy.duck-redesign #libraryScreen .airy-paper-open,
html body.duck-airy.duck-redesign #dashboardScreen .airy-recent-row .airy-open-button{
 display:inline-flex!important;align-items:center;justify-content:center;gap:7px;
 box-sizing:border-box;min-width:max-content!important;width:auto!important;max-width:none!important;
 padding-inline:14px!important;white-space:nowrap;line-height:1.3;
}
html body.duck-airy.duck-redesign :is(.airy-paper-open,.airy-open-button) .airy-open-label{
 flex:0 0 auto;font:inherit;letter-spacing:inherit;
}
html body.duck-airy.duck-redesign :is(.airy-paper-open,.airy-open-button) .airy-open-arrow{
 display:block;flex:0 0 16px;width:16px!important;height:16px!important;min-width:16px;position:static;transform:none;
}

/* Secondary yellow accents follow the same theme as buttons and cards. */
html body.duck-airy.duck-redesign{--duck-accent-gradient:linear-gradient(130deg,#ffe472,#ffbd05);--duck-soft-gradient:linear-gradient(135deg,#fff9e5,#fff0bd);}
html[data-duck-theme="dark"] body.duck-airy.duck-redesign{--duck-accent-gradient:linear-gradient(130deg,#d9bf59,#c29508);--duck-soft-gradient:linear-gradient(135deg,#51482c,#67552c);}
html[data-duck-theme="dark"] body.duck-airy #dashboardScreen .studio-heading::after{background:radial-gradient(ellipse at 92% 27%,#bca15640 0%,#9b84301f 10%,transparent 25%),linear-gradient(172deg,transparent 61%,#7c693322 62%,#937a291c 100%);}
html[data-duck-theme="dark"] body.duck-airy #dashboardScreen .studio-heading>.duck-mascot::before{background:linear-gradient(145deg,#ad934040,#8b742000);}

/* Keep decorative heading art after the title, so text shares the content edge. */
html body.duck-airy #bookmarksScreen .duck-heading-copy>.duck-logo{order:1;}