.collections-menu{position:relative}.collections-menu>summary{list-style:none;cursor:pointer;font-size:14px;font-weight:600;white-space:nowrap;display:flex;align-items:center;gap:7px}.collections-menu>summary::-webkit-details-marker{display:none}.collections-menu>summary::after{content:'⌄';font-size:16px}.collections-menu[open]>summary{color:#116b68}.collections-menu-popover{position:absolute;top:calc(100% + 22px);left:-20px;width:min(420px,calc(100vw - 32px));max-height:70vh;overflow:auto;background:#fff;border:1px solid #dbe6e7;box-shadow:0 20px 55px #172e3c24;border-radius:14px;padding:12px;z-index:30}.collections-menu-popover a{display:block;padding:10px 12px;border-radius:7px;text-decoration:none;color:#172e3c;font-size:13px;line-height:1.5}.collections-menu-popover a:hover,.library-menu-branch>summary:hover{background:#eef5f3}.library-menu-all{display:flex!important;justify-content:space-between;border-bottom:1px solid #e4eceb;border-radius:0!important;margin-bottom:7px;font-weight:700!important}.library-menu-branch>summary{cursor:pointer;padding:11px 12px;border-radius:7px;font-size:13px;font-weight:650;color:#172e3c}.library-menu-branch>summary small{float:right;color:#75858e;font-weight:400;margin-left:8px}.library-menu-children{border-left:1px solid #dce7e4;margin-left:17px;padding-left:8px}.library-menu-collection::before{content:'↗';display:inline-block;color:#14817a;margin-right:8px}.library-menu-category{color:#116b68!important;font-size:12px!important}.library-menu-empty{font-size:13px;color:#637782;padding:10px}.home-categories{background:linear-gradient(140deg,#f0f7f5,#f7f9fa);border-top:1px solid #e0ebe8;border-bottom:1px solid #e0ebe8}.home-categories .section-heading p{color:#657984;max-width:560px;line-height:1.7;margin-bottom:0}.subject-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:30px}.subject-card{display:flex;flex-direction:column;min-width:0;min-height:255px;padding:26px;border:1px solid #dce6e5;border-radius:17px;background:#fff;text-decoration:none;color:#172e3c;box-shadow:0 3px 5px #172e3c03;transition:transform .18s,border-color .18s,box-shadow .18s}.subject-card:hover{transform:translateY(-4px);border-color:#81b6ad;box-shadow:0 13px 30px #172e3c0c}.subject-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.subject-icon{display:grid;place-items:center;width:48px;height:48px;background:#e4f1ee;border-radius:12px;color:#147973}.subject-icon svg{width:29px;height:29px}.subject-number{font:500 12px "Space Grotesk",sans-serif;color:#82949c}.subject-card h3{font:700 clamp(19px,2vw,23px)/1.25 "Space Grotesk",sans-serif;letter-spacing:-.025em;margin:0 0 12px;overflow-wrap:anywhere}.subject-card>p{color:#71828c;font-size:13px;line-height:1.7;margin:0 0 25px}.subject-card-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e9eeee;padding-top:17px;margin-top:auto;color:#43716d;font-size:12px;font-weight:600}.subject-card-foot>span:last-child{font-size:21px}.library-page{max-width:1240px;margin:auto;padding:28px 34px 80px;min-height:65vh}.library-breadcrumbs ol{display:flex;flex-wrap:wrap;list-style:none;gap:8px;margin:0;padding:0;color:#74858f;font-size:12px;line-height:1.8}.library-breadcrumbs li{display:flex;gap:8px;align-items:baseline}.library-breadcrumbs li+li::before{content:'/';color:#b3bfC4}.library-breadcrumbs a{color:#526f78;text-decoration:none}.library-breadcrumbs a:hover{text-decoration:underline}.library-breadcrumbs [aria-current=page]{color:#172e3c}.library-heading{padding:64px 0 42px;border-bottom:1px solid #dfe7e8}.library-heading h1{font:700 clamp(34px,6vw,66px)/1.08 "Space Grotesk",sans-serif;letter-spacing:-.05em;max-width:960px;margin:18px 0;color:#172e3c}.library-heading>p{max-width:760px;color:#667d89;font-size:17px;line-height:1.8;margin:20px 0}.library-meta{display:inline-block;font-size:12px;font-weight:600;color:#11746c;padding:8px 12px;background:#e3f0ed;border-radius:30px}.library-section{padding:36px 0 0}.library-section>h2{font:700 25px "Space Grotesk",sans-serif;margin:0 0 22px;letter-spacing:-.03em}.library-collection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.library-collection-card{display:flex;flex-direction:column;background:#fff;border:1px solid #dce6e5;border-radius:15px;padding:25px;color:#172e3c;text-decoration:none;transition:border-color .2s,box-shadow .2s}.library-collection-card:hover{border-color:#81b6ad;box-shadow:0 10px 25px #172e3c0a}.library-collection-card h3{font:700 24px/1.3 "Space Grotesk",sans-serif;letter-spacing:-.025em;margin:18px 0 10px}.library-collection-card p{font-size:14px;line-height:1.7;color:#6f838f;margin:0 0 25px}.library-collection-card>div{display:flex;justify-content:space-between;gap:15px;margin-top:auto;font-size:12px;color:#50716e}.library-pill{display:inline-block;align-self:flex-start;width:fit-content;padding:5px 9px;border-radius:5px;background:#edf2f4;color:#5c737d;font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.library-pill.free{background:#e3f1e8;color:#297447}.library-set-section{padding-top:35px}.library-set-list{display:grid;gap:12px}.library-set-row{display:flex;align-items:center;gap:22px;padding:24px;background:#fff;border:1px solid #dce6e5;border-radius:12px}.library-set-number{font:500 17px "Space Grotesk",sans-serif;color:#7c9b97}.library-set-row>div{flex:1;min-width:0}.library-set-row h2{font:700 19px/1.4 "Space Grotesk",sans-serif;margin:0 0 5px}.library-set-row p{font-size:12px;color:#78909b;margin:0}.library-set-row .button{font-size:12px;text-decoration:none;white-space:nowrap}.library-locked{font-size:12px;color:#84979f;min-width:75px;text-align:center}.library-empty{padding:70px 0;color:#647c88}.library-empty h1,.library-empty h2{color:#172e3c;font-family:"Space Grotesk",sans-serif}.library-empty a{color:#116b68}a:focus-visible,summary:focus-visible{outline:3px solid #28958b;outline-offset:4px}@media(max-width:1000px){.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar .desktop-nav{display:flex;gap:18px}.desktop-nav>a:not([data-view]){display:none}.collections-menu-popover{left:auto;right:0}}@media(max-width:650px){.library-page{padding:24px 20px 55px}.library-heading{padding-top:40px}.subject-grid,.library-collection-grid{grid-template-columns:1fr}.subject-card{min-height:225px}.library-set-row{flex-wrap:wrap;gap:13px;padding:20px}.library-set-row>div{flex-basis:70%}.library-set-row .library-pill{margin-left:30px}.topbar{height:auto;min-height:78px;padding-block:16px;gap:14px;flex-wrap:wrap}.topbar .brand{flex:1 1 145px}.topbar .desktop-nav{order:2;display:flex;gap:10px}.topbar .header-actions{order:3;flex-basis:100%;justify-content:flex-end}.collections-menu-popover{right:-3px}.home-categories .section-heading{align-items:flex-start;gap:20px;flex-direction:column}}@media(prefers-reduced-motion:reduce){.subject-card,.library-collection-card{transition:none}.subject-card:hover{transform:none}}
.library-return{padding:20px clamp(22px,5vw,76px);border-bottom:1px solid #e0e9e8;background:#eff6f3;font-size:13px}.library-return a{color:#116b68;text-decoration:none;font-weight:600}
.collections-menu>summary{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:36px;padding:0;font:600 14px/1 "DM Sans",sans-serif;color:#172e3c;vertical-align:middle}.collections-menu>summary::after{content:none}.collections-menu>summary>svg{display:block;flex:0 0 14px;width:14px;height:14px;margin:0;transition:transform .15s}.collections-menu[open]>summary>svg{transform:rotate(180deg)}.collections-menu-popover{padding:0;width:min(410px,calc(100vw - 32px));top:calc(100% + 16px)}.library-drill-head{padding:17px 18px 14px;border-bottom:1px solid #e4eceb}.library-drill-eyebrow,.library-drill-label{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#768991;font-weight:700}.library-drill-back{display:inline-flex;align-items:center;gap:6px;background:none;border:0;color:#14756f;padding:0;margin:0 0 12px;font:600 12px "DM Sans",sans-serif;cursor:pointer}.library-drill-trail{display:flex;flex-wrap:wrap;align-items:center;gap:6px;line-height:1.6}.library-drill-trail>button{border:0;background:none;padding:0;cursor:pointer;color:#6d818b;font:500 11px/1.6 "DM Sans",sans-serif;text-align:left}.library-drill-trail>[aria-current=location]{color:#172e3c;font-weight:700}.library-drill-trail>span{color:#b3c1c5;font-size:11px}.library-drill-content{padding:8px;max-height:55vh;overflow:auto}.library-drill-label{margin:10px 10px 7px}.library-drill-row{display:flex;align-items:center;gap:10px;width:100%;background:#fff;border:0;border-radius:8px;padding:12px 10px;color:#172e3c;font:600 13px/1.4 "DM Sans",sans-serif;text-align:left;cursor:pointer}.library-drill-row:hover,.library-drill-collection:hover{background:#eef5f3}.library-category-dot{width:7px;height:7px;flex:0 0 7px;border-radius:50%;background:#172e3c}.library-drill-name{flex:1;min-width:0}.library-drill-row>small{font-size:11px;font-weight:400;color:#80939c;margin-left:12px}.library-drill-row>svg,.library-drill-collection>svg{width:15px;height:15px;flex:0 0 15px;color:#73938d}.collections-menu-popover .library-drill-collection{display:flex;gap:12px;align-items:center;padding:12px 10px;font-size:13px}.library-drill-collection>span{flex:1}.collections-menu-popover .library-drill-footer{display:flex;justify-content:space-between;padding:15px 18px;border-top:1px solid #e4eceb;border-radius:0;color:#116b68;font-weight:650;font-size:12px}.library-drill-footer:hover{background:#f4f8f7}button[data-library-level]:focus-visible{outline:2px solid #28958b;outline-offset:2px}
.topbar .desktop-nav{align-items:center}

.collections-menu-popover a.library-drill-row{display:flex;align-items:center;gap:10px;width:100%;box-sizing:border-box;padding:12px 10px;border-radius:8px;text-decoration:none;font:600 13px/1.4 'DM Sans',sans-serif;color:#172e3c}.library-drill-row:focus-visible{outline:2px solid #28958b;outline-offset:2px}