:root{--paper:#f6f2ea;--ink:#0f1a2b;--muted:#5b6067;--gold:#c69755;--line:#d9d2c6;--white:#fffdf8}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,Arial,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:4px}button[hidden],[hidden]{display:none!important}.student-header{height:80px;padding:0 3.6vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:18px}.student-brand{display:flex;align-items:center;gap:18px;white-space:nowrap;font-size:15px;letter-spacing:.22em;font-weight:600}.lf{font-family:Manrope,Arial,sans-serif;font-size:38px;font-weight:800;letter-spacing:-.12em;color:var(--gold)}.student-header>div{display:flex;align-items:center;gap:20px;font-size:14px}.student-header button{background:none;border:0;color:var(--ink);padding:10px}.preview-banner{min-height:48px;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px 20px;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px;background:#eee7dc}.student-shell{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:calc(100vh - 128px)}.student-nav{border-right:1px solid var(--line);padding:34px 18px;display:flex;flex-direction:column;gap:12px}.student-nav a{display:flex;align-items:center;gap:18px;padding:17px 20px;border-radius:5px;font-size:15px;white-space:nowrap}.student-nav a[aria-current=page]{background:var(--gold);color:white}.student-nav a:hover{background:#e9dfcd;color:var(--ink)}.student-nav a[aria-current=page]:hover{background:var(--gold);color:#fff}.student-nav svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}main{padding:48px 38px 70px;min-width:0;max-width:1440px;outline:none}h1,h2,h3{font-family:Manrope,Arial,sans-serif}h1{font-size:clamp(34px,4vw,62px);letter-spacing:-.045em;line-height:1.08;margin:8px 0 14px;font-weight:800}h2{font-size:32px;letter-spacing:-.035em;line-height:1.15;margin:0 0 22px}h3{font-size:23px;letter-spacing:-.025em;line-height:1.3;margin:0 0 6px}.lede{font-size:23px;line-height:1.5;margin:0 0 42px;color:var(--muted)}.continue{display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--gold);padding:18px 0 26px;gap:20px;margin-bottom:40px}.continue h2{font-size:36px;margin:14px 0 10px}.kicker{font-size:12px;color:var(--gold);letter-spacing:.2em;font-weight:700}.continue p{font-size:19px;color:var(--muted);margin:0 0 20px}.big-number{color:var(--gold);font-size:110px;font-weight:400;font-family:Manrope,Arial,sans-serif;line-height:1}.button{display:inline-flex;gap:18px;align-items:center;justify-content:center;border:1px solid var(--ink);background:var(--ink);color:white;border-radius:4px;padding:14px 26px;font-size:15px;font-weight:600;min-height:48px}.button.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.text-link{color:#96672e;font-size:15px;text-decoration:underline;text-underline-offset:4px;background:none;border:0;padding:10px 0;display:inline-block}.course-row{display:grid;grid-template-columns:minmax(0,1fr) 180px 170px;align-items:center;gap:25px;border:1px solid var(--line);border-radius:3px;padding:25px 30px;margin-bottom:12px}.course-row p{margin:6px 0 0;color:var(--muted);line-height:1.5;font-size:16px}.course-status{color:var(--muted);font-size:14px;border-left:1px solid var(--line);padding:10px 0 10px 28px}.course-row .text-link{border-left:1px solid var(--line);padding-left:24px}.library-strip{border-top:1px solid var(--line);margin-top:24px;padding-top:24px;display:flex;justify-content:space-between;gap:20px;align-items:center}.library-strip h2{font-size:26px;margin:0 0 6px}.library-strip p{color:var(--muted);margin:0;line-height:1.5}.list{list-style:none;padding:0;margin:0}.material-row{display:flex;align-items:center;justify-content:space-between;gap:25px;border-top:1px solid var(--line);padding:25px 0}.material-row p{color:var(--muted);line-height:1.6;max-width:650px;margin:6px 0 0}.module{border-top:1px solid var(--line);padding:22px 0}.module summary{cursor:pointer;font-weight:600;font-size:20px;padding:8px 0}.lesson-row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:18px 0 18px 26px;gap:20px}.lesson-row small{color:var(--muted);display:block;line-height:1.5;margin-top:5px}.back-link{display:inline-block;margin-bottom:28px;font-size:14px;text-decoration:underline;text-underline-offset:4px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:48px}.lesson-content h2{font-size:26px;margin:32px 0 12px}.lesson-content p,.lesson-content li{font-size:17px;line-height:1.8;color:var(--muted)}.lesson-content ul,.lesson-content ol{padding-left:24px}.lesson-content blockquote{border-left:3px solid var(--gold);margin:24px 0;padding:16px 24px;background:#eee7dc;font-size:17px;line-height:1.7}.lesson-aside{border-left:1px solid var(--line);padding-left:24px;align-self:start}.lesson-aside h3{font-size:18px;margin-bottom:12px}.lesson-aside p{color:var(--muted);font-size:14px;line-height:1.6}.lesson-aside .button{width:100%;padding:14px 12px;margin-top:12px}.progress-summary{display:flex;gap:22px;align-items:center;padding:26px 0 40px;border-bottom:1px solid var(--line)}.progress-number{font-family:Manrope,Arial,sans-serif;font-size:72px;color:var(--gold)}progress{width:100%;accent-color:var(--gold);height:8px}.empty-state{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);line-height:1.6}.completion-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}.login-main{max-width:550px;margin:7vh auto;padding:30px 24px}.login-main h1{font-size:46px}.login-main .lede{font-size:18px}.login-main form{display:grid;gap:18px}.login-main label{display:grid;gap:8px;font-size:14px;font-weight:600}.login-main input{background:var(--white);border:1px solid var(--line);padding:14px;border-radius:4px;min-width:0;width:100%}.error{color:#8b302d;font-size:14px;line-height:1.5}#notice:empty{display:none}#notice{position:fixed;bottom:22px;right:22px;max-width:min(420px,calc(100vw - 44px));background:var(--ink);color:white;padding:16px 22px;border-radius:5px;font-size:14px;box-shadow:0 8px 30px #0f1a2b22}pre{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.6;background:#eee7dc;padding:22px;font-size:14px}.loading{color:var(--muted)}.note{font-size:14px;color:var(--muted);line-height:1.6}
@media(max-width:1100px){.student-shell{grid-template-columns:210px minmax(0,1fr)}.student-nav{padding:28px 10px}.student-nav a{padding:16px 12px;gap:12px}main{padding:38px 28px}.course-row{grid-template-columns:1fr 145px;gap:16px;padding:22px}.course-row .text-link{grid-column:1/-1;border:0;padding:0}.course-status{padding-left:16px}.lesson-layout{grid-template-columns:1fr}.lesson-aside{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}.lesson-aside .button{width:auto}.lede{font-size:20px}.continue h2{font-size:30px}.big-number{font-size:90px}}
@media(max-width:700px){.student-header{height:72px;padding:0 18px}.student-brand{font-size:10px;letter-spacing:.15em;gap:10px}.lf{font-size:32px}.student-header>div{font-size:12px;gap:10px}.preview-banner{font-size:12px}.student-shell{display:block}.student-nav{border-right:0;border-bottom:1px solid var(--line);flex-direction:row;overflow-x:auto;padding:12px;gap:6px}.student-nav a{padding:12px;font-size:13px;gap:8px}.student-nav svg{width:18px;height:18px}.student-shell main{padding:30px 22px 50px}h1{font-size:36px;line-height:1.1}.lede{font-size:18px;margin-bottom:28px}.continue{align-items:flex-start;padding-top:8px;margin-bottom:30px}.continue h2{font-size:28px}.continue p{font-size:16px}.big-number{font-size:56px}.kicker{font-size:10px}.course-row{display:block;padding:22px}.course-status{border:0;padding:14px 0 4px}.course-row .text-link{padding-top:12px}.library-strip{align-items:flex-start;flex-direction:column}.material-row{flex-direction:column;align-items:flex-start;gap:10px}.lesson-row{padding-left:0;align-items:flex-start}.lesson-row .text-link{font-size:13px;flex-shrink:0}.progress-number{font-size:58px}.login-main{margin:3vh auto}.login-main h1{font-size:36px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}