:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f5f3ed;--ink:#171815;--muted:#6c6d67;--line:#d8d7d0;--accent:#16745c;--white:#fff}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}.app-header{border-bottom:1px solid var(--line);z-index:5;background:#f5f3edf0;justify-content:space-between;align-items:center;height:68px;padding:0 max(24px,50vw - 590px);display:flex;position:sticky;top:0}.brand{font-size:19px;font-weight:800}.app-header nav,.app-header>a:last-child,.app-header>span{color:var(--muted);font-size:14px}.workspace{width:min(1180px,100% - 48px);margin:auto;padding:72px 0 96px}.page-heading{max-width:720px;margin-bottom:60px}.page-heading h1,.lesson-copy h1{letter-spacing:0;margin:0 0 20px;font-family:Georgia,serif;font-size:clamp(44px,7vw,82px);font-weight:400;line-height:1}.page-heading>p:last-child,.lesson-copy>p{color:var(--muted);font-size:18px;line-height:1.65}.eyebrow{text-transform:uppercase;font-weight:700;letter-spacing:1.4px!important;color:var(--accent)!important;font-size:12px!important}.course-list{border-top:1px solid var(--ink)}.course-row{border-bottom:1px solid var(--line);grid-template-columns:64px 1fr auto;align-items:center;gap:24px;padding:28px 0;display:grid}.course-row h2{margin:0 0 6px;font-size:24px}.course-row p,.course-index{color:var(--muted);margin:0}.primary-action{background:var(--accent);color:#fff;border-radius:6px;justify-content:center;align-items:center;min-height:44px;padding:0 20px;font-weight:700;display:inline-flex}.muted-action{color:var(--muted)}.empty-state{border-top:1px solid var(--ink);padding:40px 0}.empty-state h1,.empty-state h2{font-family:Georgia,serif;font-size:42px;font-weight:400}.empty-state p,.loading{color:var(--muted)}.course-heading{justify-content:space-between;align-items:end;gap:32px;max-width:none;display:flex}.progress-track{background:var(--line);height:4px;margin:-28px 0 68px}.progress-track span{background:var(--accent);height:100%;transition:width .5s;display:block}.module{margin-bottom:56px}.module-title{border-bottom:1px solid var(--ink);grid-template-columns:64px 1fr;align-items:center;padding-bottom:18px;display:grid}.module-title span{color:var(--muted)}.module-title h2{margin:0;font:400 30px Georgia,serif}.lesson-row{border-bottom:1px solid var(--line);grid-template-columns:64px 1fr auto;align-items:center;gap:24px;min-height:66px;transition:padding .2s,color .2s;display:grid}.lesson-row:hover{color:var(--accent);padding-left:8px}.lesson-row span{color:var(--muted);font-size:13px}.lesson-layout{grid-template-columns:minmax(0,1.55fr) minmax(320px,.75fr);min-height:calc(100vh - 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28px,1180px);padding-top:48px}.page-heading{margin-bottom:40px}.course-row{grid-template-columns:36px 1fr}.course-row .primary-action,.muted-action{grid-column:2;justify-self:start}.course-heading{display:block}.course-heading .primary-action{margin-top:20px}.lesson-layout{grid-template-columns:1fr}.video-stage{min-height:240px;padding:0}.lesson-copy{padding:40px 22px}.lesson-row,.module-title{grid-template-columns:36px 1fr}.lesson-row span:last-child{display:none}.admin-shell{display:block}.admin-nav{border-right:0;border-bottom:1px solid var(--line);gap:20px;width:100%;height:auto;position:static}.admin-nav>div{display:flex;overflow:auto}.admin-nav>a:last-child{display:none}.admin-workspace{padding:32px 16px}.admin-heading{display:block}.admin-heading input{width:100%;margin-top:20px}.admin-heading h1{font-size:38px}}