:root{color-scheme:light;--paper:#faf9f5;--white:#fff;--ink:#26313f;--muted:#657084;--blue:#315d9f;--blue-dark:#264c85;--pale:#edf2f8;--line:#d6dfe9;--amber:#af7722;--shadow:0 16px 40px #23385508}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select{font:inherit}a{color:var(--blue)}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:4px}button:disabled{cursor:wait;opacity:.65}.brand-rule{height:5px;background:var(--blue)}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link:focus{position:absolute;top:10px;left:20px;z-index:10;background:white;padding:12px 20px}.site-header,.login-header{max-width:1380px;margin:auto;padding:27px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink)}.brand-monogram{display:grid;place-items:center;width:49px;height:49px;flex:none;border:1px solid #bed0e6;border-radius:13px;background:var(--pale);font-size:15px;font-weight:780;letter-spacing:.045em;color:var(--blue)}.brand strong{display:block;font-size:16px;line-height:1.3}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px;letter-spacing:.015em}.account{display:flex;align-items:center;gap:10px;font-size:12px;min-width:0}.account-dot{width:8px;height:8px;flex:none;background:#87a3ca;border-radius:50%}#account-name{max-width:245px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}.account a{margin-left:9px;text-decoration:none;font-weight:650}.dev-banner{padding:9px 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svg{width:16px;height:16px;fill:none;stroke:var(--muted);stroke-width:1.7;flex:none}.search input{width:100%;min-width:0;border:0;background:transparent;color:var(--ink);font-size:12px;outline-offset:5px}.search input::placeholder{color:#7a8596}.results-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:28px 0 17px}.results-heading h2{font-size:18px;font-weight:650;margin:0}.results-heading p{font-size:12px;color:var(--muted);margin:0}.lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.lesson-card{display:flex;flex-direction:column;background:white;border:1px solid var(--line);border-radius:15px;overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s}.lesson-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px #23385511}.card-visual{position:relative;aspect-ratio:16/9;background:var(--pale);overflow:hidden}.card-visual 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var(--line);border-radius:13px;overflow:hidden;background:var(--white);box-shadow:var(--shadow)}video{width:100%;height:100%;display:block;background:var(--paper);object-fit:contain}.video-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0 6px}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;padding:10px 13px;font-size:12px;font-weight:650;text-decoration:none;line-height:1.4;white-space:nowrap}.primary{background:var(--blue);border-color:var(--blue);color:white;min-width:117px}.primary:hover{background:var(--blue-dark)}.secondary{background:white;color:var(--ink)}.secondary:hover{background:var(--pale)}.speed{display:flex;gap:6px;align-items:center;font-size:12px;color:var(--muted);margin-left:auto}.speed select{border:1px solid var(--line);border-radius:8px;padding:8px 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h1{font-size:clamp(38px,4.5vw,56px)}.login-intro>p:not(.eyebrow){font-size:15px;color:var(--muted);max-width:425px}.abstract-workflow{margin-top:35px;max-width:345px}.abstract-workflow div{display:grid;grid-template-columns:34px 1fr;column-gap:14px;border:1px solid var(--line);border-radius:11px;background:white;padding:15px 17px}.abstract-workflow span{grid-row:1/3;font-size:13px;font-weight:650;color:var(--blue);align-self:center}.abstract-workflow strong{font-size:13px;font-weight:650}.abstract-workflow small{font-size:11px;color:var(--muted);margin-top:2px}.abstract-workflow i{display:block;font-style:normal;margin:4px 0 4px 30px;color:#a4b2c5}.login-card{background:white;border:1px solid var(--line);border-radius:20px;padding:38px 32px;box-shadow:0 20px 55px #26313f07}.login-symbol{display:grid;place-items:center;width:62px;height:62px;background:var(--pale);border-radius:16px;margin-bottom:26px}.login-symbol 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var(--line);font-size:11px;color:var(--muted)}.login-footer{max-width:1150px;margin:0 auto;padding:22px 0 30px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);display:flex;justify-content:space-between}
@media(min-width:1200px){.lesson-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.lesson-card:first-child{max-width:410px}}@media(max-width:1100px){.lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.library-summary{min-width:210px;padding:22px}.lesson-layout{grid-template-columns:minmax(0,1fr)}.chapter-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:340px}.site-footer{margin-left:40px;margin-right:40px}.login-main{gap:55px;grid-template-columns:minmax(0,1fr) 390px}.login-footer{margin-left:40px;margin-right:40px}.library-toolbar{flex-wrap:wrap}.search{min-width:250px}}
@media(max-width:760px){.site-header,.login-header{padding:23px 23px}.brand strong{font-size:14px}.brand small{font-size:10px}.brand-monogram{width:42px;height:42px;font-size:13px}.account-dot{display:none}#account-name{max-width:160px;font-size:11px}.account{gap:0}.account a{font-size:11px;margin-left:12px}main#main{padding:24px 23px 45px}.library-heading{gap:20px;align-items:flex-start}.library-summary{display:none}.intro{font-size:14px}.library-toolbar{gap:17px}.search{width:100%}.category{font-size:12px;padding:8px 10px}.lesson-grid{gap:18px}.card-body{padding:17px}.card-body h3{font-size:18px}.library-note{margin-top:30px;padding:19px}.site-footer{margin:0 23px;font-size:10px;flex-wrap:wrap;gap:8px}.login-main{display:flex;flex-direction:column;align-items:stretch;gap:35px;padding:10px 23px;margin:27px auto 45px;max-width:580px}.login-intro h1{font-size:43px}.abstract-workflow{display:none}.login-card{padding:28px}.login-footer{margin:0 23px}.lesson-heading{display:block}.lesson-heading .pill{display:inline-block;margin-top:17px}.workflow-path{font-size:10px;gap:6px}.workflow-path span{padding:6px 8px}.button{padding:9px 10px;font-size:11px}.speed{margin-left:0}.login-symbol{width:52px;height:52px;margin-bottom:22px}.auth-state{margin:65px auto;padding:25px}.auth-state h1{font-size:23px}}
@media(max-width:510px){.lesson-grid{grid-template-columns:1fr}.lesson-card{max-width:none}.chapter-list{grid-template-columns:1fr;max-height:350px}.brand{gap:10px}.account{flex-direction:column;align-items:flex-end;gap:3px}.account a{margin-left:0}#account-name{max-width:139px;font-size:10px}.site-header{gap:12px}.results-heading{margin-top:23px}.library-heading{margin-bottom:28px}.category-tabs{gap:2px}.category{padding:8px 9px;font-size:11px}.category .count{margin-left:4px}.login-footer{font-size:10px}.video-controls{gap:7px}.capture-note{font-size:10px}.speed select{font-size:11px}.speed{font-size:11px}.workflow-path b{font-size:10px}.library-summary{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.lesson-card{transition:none}.lesson-card:hover{transform:none}}

.updated{font-size:11px;color:var(--muted);margin:11px 0 15px}.card-body .updated{margin:0 0 15px}

.email-login{margin:25px 0 0}.email-login label{display:block;font-size:12px;font-weight:650;margin-bottom:8px}.email-login input{display:block;width:100%;border:1px solid #becde1;border-radius:8px;background:white;padding:12px 13px;font-size:14px;color:var(--ink)}.email-login input:focus{outline:3px solid #c7d7ed;outline-offset:2px;border-color:var(--blue)}.email-login .button{width:100%;justify-content:space-between;margin-top:13px;padding:13px 15px;font-size:13px}.login-card p.login-status{font-size:12px;line-height:1.65;color:var(--blue);margin:15px 0 0;min-height:20px}.login-card p.login-status.error{color:#8c432b}.magic-main{max-width:530px;margin:65px auto 90px;padding:0 23px}.magic-main h1{font-size:31px;line-height:1.2;letter-spacing:-.03em;margin-bottom:15px}.magic-continue{width:100%;margin-top:22px;padding:13px 15px;font-size:13px}.new-link{display:inline-block;font-size:13px;font-weight:650;margin-top:14px}@media(max-width:600px){.magic-main{margin:35px auto 60px}.magic-main h1{font-size:27px}.email-login input{font-size:16px}}