:root{
  --ink:#20201e;
  --muted:#6b6965;
  --paper:#f7f6f3;
  --card:#ffffff;
  --warm:#efeee9;
  --line:rgba(32,32,30,.12);
  --blue:#1769aa;
  --blue-soft:#eef7ff;
  --green:#206347;
  --lime:#e5f6c7;
  --danger:#a33b32;
  --shadow:0 4px 18px rgba(0,0,0,.04),0 2px 8px rgba(0,0,0,.025);
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
button,input,select,textarea{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,canvas:focus-visible{outline:2px solid #097fe8;outline-offset:2px}
.topbar{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,4vw);background:rgba(247,246,243,.95);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.brand{font:800 23px/1 Georgia,serif;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.topbar-actions{display:flex;align-items:center;gap:9px}
.pill,.step,.eyebrow{font-size:12px;letter-spacing:.11em;text-transform:uppercase;font-weight:750}
.pill{background:var(--lime);padding:6px 10px;border-radius:999px;white-space:nowrap}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.45}
.primary,.secondary,.toolbar-button,.tool,.lesson-tab{border:1px solid transparent;border-radius:7px;padding:10px 14px;font-weight:650;background:var(--card);color:var(--ink)}
.primary{background:var(--blue);color:#fff}
.primary:hover{background:#11598f}
.primary.compact{padding:8px 13px}
.secondary{background:var(--warm);border-color:var(--line)}
.toolbar-button,.tool,.lesson-tab{border-color:var(--line)}
.toolbar-button:hover,.tool:hover,.lesson-tab:hover{background:var(--warm)}
.hidden{display:none!important}
.muted,.meta{color:var(--muted);font-size:13px}

/* Landing */
.landing{max-width:1120px;margin:auto;padding:72px 24px}
.hero{max-width:840px;margin-bottom:48px}
.hero h1{font:700 clamp(42px,7vw,78px)/.98 Georgia,serif;margin:12px 0 24px;letter-spacing:-.045em}
.lede{font-size:20px;color:var(--muted);max-width:780px}
.panel,.builder{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.builder{padding:30px}.panel-head{display:flex;justify-content:space-between}.panel h2{font:700 30px/1.1 Georgia,serif;margin:4px 0 18px}
.tabs{display:flex;gap:8px;margin:24px 0}.tab{border:1px solid var(--line);background:transparent;padding:12px 16px;border-radius:8px;font-weight:700}.tab.active{background:var(--ink);color:#fff}
.source-form{display:grid;gap:20px}label{display:grid;gap:7px;font-weight:650}input,select,textarea{width:100%;padding:12px 13px;border:1px solid rgba(32,32,30,.18);border-radius:7px;background:#fff;color:var(--ink)}
.grid-fields{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px}.status{margin-top:20px;padding:14px;border-left:3px solid var(--blue);background:var(--blue-soft)}.course-link{display:inline-block;margin-top:16px;font-weight:750;color:var(--blue)}
.truth-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0}.truth-grid article{display:grid;gap:8px;background:var(--card);border:1px solid var(--line);padding:20px;border-radius:12px}.truth-grid span,.boundary{color:var(--muted)}

/* Course shell */
.course-page{height:100vh;overflow:hidden}
.course-workspace{height:calc(100vh - 68px);display:grid;grid-template-columns:minmax(220px,260px) minmax(520px,1fr) minmax(330px,380px);gap:1px;background:var(--line)}
.outline-sidebar,.lesson-stage,.tutor-sidebar{background:var(--card);min-width:0;overflow:auto}
.outline-sidebar{display:flex;flex-direction:column;padding:26px 16px}
.outline-head{padding:0 8px 20px;border-bottom:1px solid var(--line)}
.outline-head h1{font:700 25px/1.13 Georgia,serif;margin:7px 0 12px;letter-spacing:-.02em}
.outline-overview{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.course-outline{display:grid;gap:5px;padding-top:18px}
.outline-item{display:grid;grid-template-columns:30px 1fr;gap:8px;text-align:left;border:0;border-radius:7px;background:transparent;color:var(--ink);padding:11px 9px;line-height:1.32}
.outline-item:hover{background:var(--warm)}
.outline-item.active{background:var(--blue-soft);color:#0e5f9e;font-weight:700}
.outline-number{font:600 11px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}

.lesson-stage{padding:28px clamp(22px,3vw,44px);background:var(--paper)}
.stage-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:18px}
.stage-head h2{font:700 clamp(26px,3vw,42px)/1.05 Georgia,serif;margin:4px 0;letter-spacing:-.025em}
.slide-counter{font:650 13px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);white-space:nowrap;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:7px 10px}
.lesson-tabs{display:flex;gap:5px;margin-bottom:18px;border-bottom:1px solid var(--line);padding-bottom:10px}
.lesson-tab{background:transparent;padding:8px 11px}
.lesson-tab.active{background:var(--ink);border-color:var(--ink);color:#fff}
.slide-canvas{position:relative;aspect-ratio:16/9;min-height:340px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:clamp(34px,5vw,74px);overflow:hidden;display:flex;flex-direction:column;justify-content:center}
.slide-canvas:after{content:"";position:absolute;right:-7%;top:-18%;width:38%;aspect-ratio:1;border-radius:50%;background:linear-gradient(135deg,#dff3ff,#eff9cf);opacity:.78}
.slide-kicker{position:relative;align-self:flex-start;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.14em;z-index:1;margin:0 0 12px;flex:0 0 auto}
.slide-canvas h3{font:700 clamp(31px,4vw,58px)/1.03 Georgia,serif;max-width:86%;margin:0 0 25px;letter-spacing:-.035em;z-index:1}
.slide-points{display:grid;gap:11px;font-size:clamp(16px,1.55vw,23px);max-width:82%;margin:0;padding-left:25px;z-index:1}
.slide-example{font-size:14px;color:var(--muted);max-width:78%;margin:22px 0 0;z-index:1}
.slide-progress{position:absolute;left:0;bottom:0;height:5px;background:var(--blue);transition:width .25s ease}
.slide-canvas.dense{padding:30px clamp(34px,4vw,54px) 18px}
.slide-canvas.dense .slide-kicker{margin-bottom:8px}
.slide-canvas.dense h3{font-size:clamp(26px,3.1vw,42px);margin-bottom:15px;max-width:91%}
.slide-canvas.dense .slide-points{font-size:clamp(13px,1.22vw,17px);line-height:1.35;gap:6px;max-width:91%}
.slide-canvas.dense .slide-example{display:none}
.slide-controls{display:flex;justify-content:space-between;margin-top:12px}
.detail-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:clamp(24px,4vw,48px);box-shadow:var(--shadow)}
.detail-card h3{font:700 23px Georgia,serif;margin-top:30px}.detail-explanation{font-size:19px;line-height:1.75;white-space:pre-wrap}.detail-card li{margin:8px 0}.example{background:var(--warm);border-left:3px solid var(--blue);padding:16px;margin:24px 0;white-space:pre-wrap}
.citations{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.citation{border:1px solid var(--line);background:var(--blue-soft);color:#145d92;border-radius:999px;padding:6px 9px;font-size:12px;font-weight:700}

.practice-layout{display:grid;gap:18px}.practice-questions{display:grid;gap:14px}.question-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:var(--shadow)}.question-card.selected{border-color:#62aef0;box-shadow:0 0 0 2px #e0f1ff}.question-select{border:0;background:var(--blue-soft);color:var(--blue);border-radius:999px;padding:5px 8px;font-size:11px;font-weight:750}.question-card h3{font:700 20px/1.3 Georgia,serif;margin:12px 0}.quiz{display:grid;gap:8px}.option{display:flex;grid-template-columns:auto 1fr;align-items:flex-start;gap:8px;padding:8px;border-radius:6px;font-weight:450}.option:hover{background:var(--warm)}.option input{width:auto;margin-top:5px}.quiz-result{padding-top:8px;color:var(--muted)}
.scratch-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.scratch-head{display:flex;justify-content:space-between;gap:16px}.scratch-head h3{font:700 23px Georgia,serif;margin:3px 0 12px}.context-chip,.grounding-badge{display:inline-flex;align-items:center;background:var(--blue-soft);color:#145d92;border-radius:999px;padding:5px 8px;font-size:11px;font-weight:700;height:max-content}.drawing-toolbar{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}.tool{padding:7px 10px}.tool.active{background:var(--ink);color:#fff}#scratch-canvas{display:block;width:100%;aspect-ratio:16/9;background:#fff;border:1px solid rgba(32,32,30,.2);border-radius:8px;touch-action:none;cursor:crosshair}.scratch-actions{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:12px}.solution-feedback{margin-top:14px;background:var(--warm);border-radius:8px;padding:13px;min-height:50px}.solution-feedback p{margin:8px 0}

.tutor-sidebar{padding:24px 18px;display:grid;grid-template-rows:auto minmax(150px,1fr) auto auto;gap:14px;position:relative}
.tutor-head{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:14px}.tutor-head h2{font:700 25px/1.1 Georgia,serif;margin:4px 0}.tutor-chat{overflow:auto;display:flex;flex-direction:column;gap:10px;padding:2px}.tutor-empty{color:var(--muted);font-size:14px}.chat-bubble{max-width:95%;border-radius:12px;padding:11px 12px;background:var(--warm)}.chat-bubble.user{align-self:flex-end;background:var(--ink);color:#fff}.chat-bubble.assistant{align-self:flex-start}.chat-bubble p{margin:6px 0;white-space:pre-wrap}.tutor-form{display:grid;gap:8px}.tutor-form textarea{resize:vertical;min-height:78px}.follow-up{display:block;margin-top:8px;border:0;background:transparent;color:var(--blue);padding:0;text-align:left;font-weight:650}.evidence-drawer{border-top:1px solid var(--line);padding-top:12px;font-size:13px}.evidence-drawer summary{cursor:pointer;font-weight:700}.evidence-drawer h3{font:700 18px Georgia,serif}.evidence-drawer p{max-height:160px;overflow:auto;white-space:pre-wrap}

/* Full-screen lecture mode keeps the right tutor available. */
.presentation-mode .course-topbar{height:56px;background:#111;color:#fff;border-color:#333}.presentation-mode .brand{color:#fff}.presentation-mode .pill,.presentation-mode #presenter-button{display:none}.presentation-mode .course-workspace{height:calc(100vh - 56px);grid-template-columns:minmax(0,1fr) 360px;background:#121212}.presentation-mode .outline-sidebar,.presentation-mode .lesson-tabs,.presentation-mode .stage-head{display:none}.presentation-mode .lesson-stage{display:flex;align-items:center;justify-content:center;padding:28px;background:#161616}.presentation-mode #detail-view,.presentation-mode #practice-view{display:none!important}.presentation-mode #slide-view{display:block!important;width:min(100%,calc((100vh - 120px)*16/9));}.presentation-mode .slide-canvas{min-height:0;width:100%;}.presentation-mode .slide-controls .toolbar-button{background:#252525;color:#fff;border-color:#444}.presentation-mode .tutor-sidebar{border-left:1px solid #333}

/* Presenter window: slide on the left, detailed notes on the right, synchronized by BroadcastChannel. */
.presenter-view .outline-sidebar,.presenter-view .lesson-tabs,.presenter-view .tutor-sidebar{display:none}.presenter-view .course-workspace{grid-template-columns:1fr}.presenter-view .lesson-stage{display:grid;grid-template-columns:minmax(420px,.9fr) minmax(420px,1.1fr);gap:22px;align-content:start}.presenter-view .stage-head{grid-column:1/-1}.presenter-view #slide-view,.presenter-view #detail-view{display:block!important}.presenter-view #practice-view{display:none!important}.presenter-view .slide-canvas{min-height:300px;padding:36px}.presenter-view .detail-card{height:calc(100vh - 180px);overflow:auto}

@media(max-width:1180px){
  .course-workspace{grid-template-columns:210px minmax(440px,1fr) 330px}
  .lesson-stage{padding:22px}.slide-canvas{min-height:310px;padding:38px}.slide-canvas h3{font-size:38px}.slide-points{font-size:17px}
}
@media(max-width:980px){
  .course-page{height:auto;overflow:auto}.course-workspace{height:auto;display:grid;grid-template-columns:220px minmax(0,1fr)}
  .tutor-sidebar{grid-column:1/-1;min-height:520px;position:sticky;bottom:0;border-top:1px solid var(--line);z-index:5;max-height:70vh}
  .presentation-mode .course-workspace{grid-template-columns:1fr}.presentation-mode .tutor-sidebar{position:fixed;right:0;bottom:0;width:340px;height:55vh;display:none}.presentation-mode .tutor-sidebar:focus-within{display:grid}
  .presenter-view .lesson-stage{grid-template-columns:1fr}.presenter-view .stage-head{grid-column:auto}.presenter-view .detail-card{height:auto}
}
@media(max-width:700px){
  .topbar{padding:0 15px}.pill,.topbar-actions .toolbar-button{display:none}.landing{padding:44px 16px}.grid-fields,.truth-grid{grid-template-columns:1fr}
  .course-workspace{display:block}.outline-sidebar{max-height:none;padding:18px 14px}.outline-head{padding-bottom:12px}.course-outline{display:flex;overflow:auto;padding:12px 0 4px}.outline-item{min-width:180px}.lesson-stage{padding:18px 13px}.stage-head h2{font-size:29px}.lesson-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible}.lesson-tab{white-space:normal;font-size:13px;line-height:1.15;padding:8px 5px}.slide-canvas{min-height:0;padding:40px 25px 28px}.slide-canvas h3{font-size:31px;max-width:94%}.slide-points{font-size:15px;max-width:94%}.slide-example{display:none}.scratch-actions{align-items:stretch;flex-direction:column}.tutor-sidebar{position:relative;max-height:none;min-height:0;grid-template-rows:auto auto auto auto}.presenter-view .lesson-stage{display:block}.presenter-view #detail-view{margin-top:16px}.presentation-mode .course-workspace{height:calc(100vh - 56px)}.presentation-mode .lesson-stage{height:100%;padding:8px}.presentation-mode .slide-canvas{border-radius:4px}.presentation-mode .tutor-sidebar{display:none!important}
}

/* Production marketing, authentication, and account workspace */
a.primary,a.secondary{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}
.site-nav{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,5vw);border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);position:relative;z-index:20}
.nav-links,.dashboard-actions{display:flex;align-items:center;gap:22px}.nav-links>a:not(.primary):not(.secondary),.site-nav>.text-link{color:var(--ink);text-decoration:none;font-size:14px;font-weight:650}.nav-links>a:hover,.site-nav>.text-link:hover{text-decoration:underline}
.marketing-page{background:#fff}.marketing-page main{overflow:hidden}.marketing-hero{max-width:1240px;margin:auto;padding:100px 30px 82px;display:grid;grid-template-columns:minmax(380px,.8fr) minmax(560px,1.2fr);gap:70px;align-items:center}.hero-copy h1{font:700 clamp(56px,6.5vw,92px)/.92 Georgia,serif;letter-spacing:-.055em;margin:14px 0 27px}.hero-lede{font-size:20px;color:var(--muted);max-width:650px}.hero-actions{display:flex;align-items:center;gap:22px;margin:30px 0 17px}.hero-button{padding:13px 19px;border-radius:7px}.text-link{color:var(--ink);font-weight:700;text-decoration:none}.text-link:hover{text-decoration:underline}.hero-note{font-size:13px;color:var(--muted)}
.product-window{border:1px solid var(--line);border-radius:17px;background:var(--card);box-shadow:0 24px 70px rgba(32,32,30,.11);overflow:hidden;transform:rotate(1deg)}.window-bar{height:42px;background:var(--warm);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:6px;padding:0 13px;color:var(--muted);font-size:11px}.window-bar span{width:9px;height:9px;border-radius:50%;background:#d0cdc7}.window-bar b{margin-left:auto;font-weight:650}.preview-layout{min-height:470px;display:grid;grid-template-columns:155px minmax(250px,1fr) 185px}.preview-outline,.preview-tutor{padding:22px 16px;background:#fbfbfa}.preview-outline{border-right:1px solid var(--line)}.preview-tutor{border-left:1px solid var(--line)}.preview-layout small{color:var(--muted);font-size:9px;letter-spacing:.12em;font-weight:800}.preview-outline strong{display:block;font:700 17px/1.2 Georgia,serif;margin:12px 0}.preview-outline ol{list-style:none;padding:0;margin:22px 0;display:grid;gap:5px}.preview-outline li{font-size:11px;padding:8px;border-radius:5px}.preview-outline li.active{background:var(--blue-soft);color:var(--blue);font-weight:700}.preview-slide{position:relative;padding:55px 35px;display:flex;flex-direction:column;justify-content:center}.preview-slide:after{content:"";position:absolute;right:-30px;top:-35px;width:150px;height:150px;border-radius:50%;background:linear-gradient(135deg,#dff3ff,#eff9cf);opacity:.7}.preview-slide h2{font:700 32px/1.04 Georgia,serif;letter-spacing:-.03em;margin:15px 0 25px;position:relative;z-index:1}.preview-slide ul{font-size:13px;display:grid;gap:8px;padding-left:18px}.preview-citation{margin-top:28px;border-top:1px solid var(--line);padding-top:12px;font-size:10px;color:var(--blue)}.preview-tutor p{font-size:11px}.preview-question{margin-top:20px;background:var(--ink);color:white;padding:10px;border-radius:9px}.preview-tutor button{border:0;background:transparent;color:var(--blue);padding:8px 0;font-size:11px;font-weight:700;cursor:default}
.quiet-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);max-width:100%;padding:20px max(30px,7vw);background:var(--paper)}.quiet-strip span{text-align:center;color:var(--muted);font-size:13px;font-weight:650;border-right:1px solid var(--line)}.quiet-strip span:last-child{border:0}.marketing-section{max-width:1180px;margin:auto;padding:110px 30px}.section-heading{max-width:760px;margin-bottom:48px}.section-heading h2,.source-section h2,.final-cta h2{font:700 clamp(40px,5vw,66px)/.98 Georgia,serif;letter-spacing:-.045em;margin:10px 0 18px}.section-heading>p:last-child{font-size:19px;color:var(--muted)}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.step-grid article,.feature-card{border:1px solid var(--line);border-radius:14px;padding:28px;background:#fff}.step-number,.feature-card>span{display:inline-flex;font:700 11px ui-monospace,monospace;color:var(--blue);background:var(--blue-soft);border-radius:999px;padding:6px 8px}.step-grid h3,.feature-card h3{font:700 25px/1.15 Georgia,serif;margin:30px 0 12px}.step-grid p,.feature-card p{color:var(--muted)}.inside-section{max-width:none;background:var(--paper);padding-left:max(30px,calc((100vw - 1120px)/2));padding-right:max(30px,calc((100vw - 1120px)/2))}.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.feature-wide{grid-row:span 2}.mini-slide{aspect-ratio:16/8;margin-top:30px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:35px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--shadow)}.mini-slide b{font:700 32px Georgia,serif}.mini-slide i{color:var(--muted);margin-top:10px}.source-section{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.source-list{display:grid;gap:10px}.source-list article{border-bottom:1px solid var(--line);padding:17px 0;display:flex;justify-content:space-between;gap:20px}.source-list span,.source-section .boundary{color:var(--muted);font-size:14px}.source-section>.boundary{grid-column:1/-1}.final-cta{text-align:center;padding:110px 30px 125px;background:var(--ink);color:#fff}.final-cta .eyebrow{color:#b7dcfa}.final-cta h2{max-width:820px;margin:15px auto 36px}.site-footer{min-height:140px;border-top:1px solid var(--line);display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:25px;padding:30px max(24px,5vw);background:#fff}.site-footer p,.site-footer small{color:var(--muted)}.site-footer nav,.minimal-footer nav{display:flex;gap:18px}.site-footer nav a,.minimal-footer a{color:var(--muted);font-size:13px}

.auth-page{min-height:100vh;background:var(--paper);display:flex;flex-direction:column}.compact-nav{background:transparent}.auth-shell{width:min(100%,1060px);margin:auto;padding:70px 24px;display:grid;grid-template-columns:minmax(400px,1fr) minmax(280px,.65fr);gap:28px;align-items:stretch}.auth-card,.auth-proof{border:1px solid var(--line);border-radius:17px;background:#fff;padding:clamp(32px,5vw,58px);box-shadow:var(--shadow)}.auth-card h1{font:700 clamp(38px,5vw,58px)/1 Georgia,serif;letter-spacing:-.04em;margin:12px 0 22px}.auth-card>p{color:var(--muted)}.google-signin{min-height:44px;margin:30px 0 13px;display:flex;align-items:center}.auth-status{padding:12px;border-left:3px solid var(--blue);background:var(--blue-soft);font-size:14px}.auth-status[data-state="error"]{border-color:var(--danger);background:#fff0ee}.auth-status[data-state="success"]{border-color:var(--green);background:#edf8f2}.privacy-note{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);display:grid;gap:7px}.privacy-note span,.legal-consent{font-size:13px;color:var(--muted)}.auth-proof{background:var(--ink);color:#fff}.auth-proof .eyebrow{color:#9ccbef}.auth-proof ul{list-style:none;padding:0;margin:30px 0;display:grid;gap:28px}.auth-proof li{display:grid;gap:6px}.auth-proof span{font-size:14px;color:#c7c7c4}.minimal-footer{display:flex;justify-content:space-between;padding:24px max(24px,5vw);color:var(--muted);font-size:13px}

.dashboard-page{background:var(--paper)}.dashboard-nav{position:sticky;top:0;background:rgba(247,246,243,.94);backdrop-filter:blur(14px)}.dashboard-shell{max-width:1160px;margin:auto;padding:58px 24px 100px}
.legal-page{background:#fff}.legal-shell{max-width:820px;margin:auto;padding:80px 24px 110px}.legal-shell>h1{font:700 clamp(44px,7vw,72px)/1 Georgia,serif;letter-spacing:-.045em;margin:16px 0}.legal-shell>p{font-size:18px;color:var(--muted)}.draft-label{display:inline-block!important;font-size:11px!important;font-weight:800;color:#745700!important;background:#fff3c4;border:1px solid #ead77e;border-radius:999px;padding:7px 10px}.legal-effective{font-size:14px!important;margin-bottom:35px}.legal-shell section{padding:32px 0;border-top:1px solid var(--line)}.legal-shell section h2{font:700 28px/1.2 Georgia,serif;margin:0 0 15px}.legal-shell section h3{font-size:16px;margin:24px 0 8px}.legal-shell section p,.legal-shell section li{color:#4b4a46}.legal-shell section li{margin:7px 0}.legal-shell code{font-size:.88em;background:var(--warm);padding:2px 4px;border-radius:4px}.profile-hero{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:28px}.profile-copy h1{font:700 clamp(38px,5vw,58px)/1 Georgia,serif;letter-spacing:-.04em;margin:7px 0}.account-chip{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:10px 14px}.account-chip>div:last-child{display:grid}.account-chip span{font-size:12px;color:var(--muted)}.avatar-placeholder{width:42px;height:42px;border-radius:50%;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800;overflow:hidden}.avatar-placeholder img{width:100%;height:100%;object-fit:cover}.dashboard-stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:60px;overflow:hidden}.dashboard-stats article{padding:22px 25px;display:flex;justify-content:space-between;align-items:end;border-right:1px solid var(--line)}.dashboard-stats article:last-child{border:0}.dashboard-stats span{color:var(--muted);font-size:13px}.dashboard-stats strong{font:700 31px Georgia,serif}.dashboard-section-head{display:flex;justify-content:space-between;align-items:end;gap:25px}.dashboard-section-head h2{font:700 38px/1 Georgia,serif;margin:7px 0}.dashboard-message{margin:12px 0 18px;color:var(--muted);font-size:13px}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.library-card{color:var(--ink);text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:21px;display:flex;flex-direction:column;min-height:315px;box-shadow:var(--shadow);transition:transform .16s ease,box-shadow .16s ease}.library-card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(32,32,30,.09)}.library-card-head,.library-meta,.progress-label{display:flex;justify-content:space-between;gap:12px}.source-badge{font-size:10px;font-weight:800;color:var(--blue);background:var(--blue-soft);border-radius:999px;padding:5px 7px}.created-date{font-size:11px;color:var(--muted)}.library-card h3{font:700 24px/1.1 Georgia,serif;margin:22px 0 9px}.library-card>p{color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.library-meta{margin-top:auto;padding-top:18px;color:var(--muted);font-size:11px}.progress-label{margin-top:16px;font-size:12px}.progress-track{height:5px;background:var(--warm);border-radius:999px;overflow:hidden;margin:7px 0 14px}.progress-fill{display:block;height:100%;background:var(--blue)}.library-source{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.empty-library{grid-column:1/-1;border:1px dashed rgba(32,32,30,.25);border-radius:14px;padding:48px;text-align:center;background:rgba(255,255,255,.5)}.empty-library h3{font:700 25px Georgia,serif}.empty-library p{color:var(--muted)}.dashboard-builder{margin-top:85px}.builder-intro{display:flex;justify-content:space-between;gap:30px}.builder-intro h2{font-size:38px}.builder-intro p{color:var(--muted);max-width:680px}.security-chip{white-space:nowrap;height:max-content;background:#edf8f2;color:var(--green);border-radius:999px;padding:7px 10px;font-size:11px;font-weight:750}.status[data-state="error"],.dashboard-message[data-state="error"]{border-color:var(--danger);color:var(--danger)}.status[data-state="success"]{border-color:var(--green);background:#edf8f2}.dashboard-footer{margin-top:0}
.account-settings{margin-top:75px;padding-top:55px;border-top:1px solid var(--line)}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:22px}.settings-grid article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:23px;display:flex;flex-direction:column;justify-content:space-between;gap:22px}.settings-grid h3{font:700 23px Georgia,serif;margin:0 0 8px}.settings-grid p{color:var(--muted);font-size:14px}.danger-setting{border-color:#e5b8b2!important}.danger-button{border:1px solid #a5362d;background:#fff;color:#a5362d;border-radius:7px;padding:10px 13px;font-weight:750;cursor:pointer}.danger-button:hover:not(:disabled){background:#a5362d;color:#fff}.danger-button:disabled{opacity:.45;cursor:not-allowed}.confirm-dialog{width:min(92vw,540px);border:1px solid var(--line);border-radius:16px;padding:0;box-shadow:0 30px 100px rgba(0,0,0,.28)}.confirm-dialog::backdrop{background:rgba(32,32,30,.56);backdrop-filter:blur(3px)}.confirm-dialog form{padding:34px}.confirm-dialog h2{font:700 32px/1.05 Georgia,serif;margin:10px 0 15px}.confirm-dialog p{color:var(--muted)}.confirm-dialog label{margin-top:24px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}
.job-card{cursor:default;position:relative;overflow:hidden}.job-card:hover{transform:none}.job-status-badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 9px;background:#e8f1fb;color:#1d6296;font-size:11px;font-weight:800;letter-spacing:.03em}.job-failed{border-color:#dfaaa4;background:#fffafa}.job-failed .job-status-badge{background:#fbe8e5;color:#a93529}.job-detail{color:var(--muted);font-size:14px;min-height:48px}.job-progress{height:5px;background:#e4e7e8;border-radius:999px;overflow:hidden;margin-top:auto}.job-progress-bar{display:block;width:42%;height:100%;border-radius:inherit;background:var(--blue);animation:job-progress 1.35s ease-in-out infinite}@keyframes job-progress{0%{transform:translateX(-110%)}100%{transform:translateX(350%)}}

@media(max-width:1000px){.marketing-hero{grid-template-columns:1fr;padding-top:70px}.product-window{transform:none}.course-grid{grid-template-columns:repeat(2,1fr)}.auth-shell{grid-template-columns:1fr}.auth-proof{display:none}.preview-layout{grid-template-columns:135px 1fr 165px}.source-section{grid-template-columns:1fr}.source-section>.boundary{grid-column:auto}}
@media(max-width:700px){.site-nav{height:64px;padding:0 16px}.nav-links>a:not(.primary),.nav-links>.secondary{display:none}.marketing-hero{padding:58px 17px 55px;gap:42px}.hero-copy h1{font-size:53px}.hero-lede{font-size:18px}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .text-link{text-align:center}.product-window{margin:0 -5px}.preview-layout{grid-template-columns:1fr;min-height:440px}.preview-outline,.preview-tutor{display:none}.preview-slide{padding:48px 27px}.quiet-strip{grid-template-columns:1fr 1fr;padding:10px}.quiet-strip span{font-size:11px;padding:8px}.quiet-strip span:nth-child(2){border:0}.marketing-section{padding:75px 17px}.step-grid,.feature-grid{grid-template-columns:1fr}.feature-wide{grid-row:auto}.source-section{gap:20px}.source-list article{display:grid}.site-footer{grid-template-columns:1fr 1fr}.site-footer p{display:none}.site-footer small{text-align:right}.auth-shell{padding:35px 14px}.auth-card{padding:29px 23px}.minimal-footer{padding:20px 16px}.dashboard-actions .secondary{display:none}.dashboard-shell{padding:36px 14px 70px}.profile-hero{align-items:flex-start;flex-direction:column}.account-chip{width:100%}.dashboard-stats{grid-template-columns:1fr 1fr}.dashboard-stats article{padding:16px}.dashboard-stats article:nth-child(2){border:0}.dashboard-stats article:last-child{grid-column:1/-1;border-top:1px solid var(--line)}.dashboard-section-head{align-items:flex-start;flex-direction:column}.course-grid{grid-template-columns:1fr}.builder-intro{display:block}.security-chip{display:inline-block;margin-top:10px}.dashboard-builder{margin-top:60px;padding:23px 17px}.dashboard-footer{grid-template-columns:1fr 1fr}.settings-grid{grid-template-columns:1fr}}