:root{color:#242720;font-synthesis:none;text-rendering:optimizelegibility;--ink:#242720;--muted:#686c61;--line:#d9d6cb;--paper:#fffefa;--accent:#365c48;--accent-dark:#274637;--accent-soft:#e4eee7;--danger:#91463d;background:#f6f4ee;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{min-width:320px}body{min-width:320px;min-height:100vh;margin:0}button,textarea,input{font:inherit}button{color:inherit}button:focus-visible,textarea:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:3px;outline:3px solid #6b8f7a}button:disabled{cursor:not-allowed;opacity:.48}.page{width:min(100% - 40px,720px);margin:0 auto;padding:64px 0 48px}.hero{margin-bottom:44px}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{color:var(--ink);letter-spacing:-.025em;margin-top:0}h1{margin-bottom:20px;font-family:Georgia,Times New Roman,serif;font-size:2rem;line-height:1.15}h2{font-size:1.45rem;line-height:1.2}h3{font-size:1.08rem;line-height:1.35}p{line-height:1.65}.eyebrow{color:var(--accent);letter-spacing:.13em;text-transform:uppercase;margin:0 0 10px;font-size:.72rem;font-weight:800}.lede{max-width:640px;color:var(--muted);font-size:1.08rem}.notice,.warmup-banner{background:var(--accent-soft);border:1px solid #b9cdbf;border-radius:10px;margin-bottom:28px;padding:14px 16px;line-height:1.5}.resume-card,.unit-card,.question-card,.feedback-card,.summary-card{border:1px solid var(--line);background:var(--paper);border-radius:14px}.resume-card{justify-content:space-between;align-items:center;gap:28px;margin-bottom:44px;padding:24px;display:flex}.resume-card h2,.resume-card p{margin-bottom:5px}.resume-card p:last-child{color:var(--muted)}.button-row{flex-wrap:wrap;gap:10px;display:flex}button{cursor:pointer;border-radius:8px;font-weight:750}.primary{border:1px solid var(--accent);background:var(--accent);color:#fff;padding:12px 18px}.primary:hover:not(:disabled){background:var(--accent-dark)}.secondary{background:0 0;border:1px solid #bdbbb2;padding:10px 14px}.secondary:hover:not(:disabled){background:#eeece6}.danger{color:var(--danger)}.section-heading,.unit-title-row,.session-nav,.score-line{justify-content:space-between;align-items:center;gap:16px;display:flex}.section-heading{margin-bottom:16px}.section-heading h2{margin-bottom:0}.unit-list{gap:12px;display:grid}.unit-card{gap:18px;padding:22px;display:flex}.unit-number{color:#9a9a91;flex:none;font-family:Georgia,serif;font-size:1.25rem}.unit-copy{flex:1;min-width:0}.unit-title-row{align-items:flex-start}.unit-title-row h3{margin-bottom:8px}.status{color:#5f6259;background:#eeece5;border-radius:999px;flex:none;padding:4px 9px;font-size:.72rem;font-weight:750}.status.complete{background:var(--accent-soft);color:var(--accent-dark)}.mastery{color:var(--muted);margin:0 0 12px;font-size:.88rem}.text-button{color:var(--accent);background:0 0;border:0;padding:4px 0}.text-button:hover:not(:disabled){text-underline-offset:4px;text-decoration:underline}.text-button.muted{color:var(--muted)}.dashboard-footer{border-top:1px solid var(--line);margin-top:40px;padding-top:24px}.session-page{padding-top:30px}.session-nav{color:var(--muted);margin-bottom:44px;font-size:.85rem}.progress-dots{gap:7px;margin-bottom:34px;display:flex}.progress-dots span{background:#d7d5cc;border-radius:999px;width:28px;height:4px}.progress-dots span.filled{background:var(--accent)}.lesson{margin-bottom:34px}.markdown-body{font-family:Georgia,Times New Roman,serif;font-size:1.13rem;line-height:1.72}.markdown-body p{line-height:inherit}.markdown-body li{margin-bottom:8px}.markdown-body strong{color:#17251c}.session-actions{justify-content:flex-end;margin-top:28px;display:flex}.question-card,.feedback-card,.summary-card{padding:clamp(22px,5vw,42px)}.question-prompt{color:var(--ink);letter-spacing:-.012em;margin:0 0 34px;font-family:Georgia,Times New Roman,serif;font-size:1.125rem;font-weight:700;line-height:1.45}.choices{border:0;gap:10px;margin:0;padding:0;display:grid}.choice{border:1px solid var(--line);cursor:pointer;border-radius:10px;align-items:flex-start;gap:12px;padding:15px;line-height:1.45;display:flex}.choice:hover{background:#fafbf8;border-color:#9daa9f}.choice:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}.choice input{accent-color:var(--accent);flex:none;margin-top:3px}.answer-field label{margin-bottom:8px;font-weight:750;display:block}textarea{resize:vertical;width:100%;max-width:100%;color:var(--ink);background:#fff;border:1px solid #aaa99f;border-radius:9px;padding:14px;line-height:1.5}.nudge{color:var(--muted);margin:8px 0 0;font-size:.85rem}.form-error{color:var(--danger);font-weight:650}.grading-error{border-top:1px solid var(--line);padding-top:24px}.grading-error p{color:var(--danger)}.self-grade{border-top:1px solid var(--line);padding-top:26px}.self-grade h2{margin-top:30px}.self-grade h3{margin-top:24px;margin-bottom:8px}.self-grade li{margin-bottom:8px;line-height:1.45}.your-answer{color:var(--muted);white-space:pre-wrap;border-left:3px solid #b9b9b0;padding-left:16px}.score-buttons{border:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:28px;padding:0;display:grid}.score-buttons legend{margin-bottom:12px;font-weight:750}.score-line{justify-content:flex-start;margin-bottom:22px}.score-line h1{margin:0}.score{background:#eeeae0;border-radius:50%;place-items:center;min-width:58px;min-height:58px;font-weight:850;display:grid}.score-2,.score-3{background:var(--accent-soft);color:var(--accent-dark)}.score-0,.score-1{color:#793e35;background:#f3e8df}details{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}summary{cursor:pointer;font-weight:750}.misconception,.missed-points{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.misconception h2,.missed-points h2{margin-bottom:8px;font-size:1.05rem}.misconception p{color:var(--danger)}.missed-points li{margin-bottom:8px;line-height:1.45}.summary-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin:32px 0;display:grid}.summary-grid div{border:1px solid var(--line);border-radius:10px;flex-direction:column;padding:16px;display:flex}.summary-grid strong{font-family:Georgia,serif;font-size:1.8rem}.summary-grid span{color:var(--muted);margin-top:3px;font-size:.78rem}.summary-note{color:var(--muted)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}.startup-error{width:min(100% - 40px,720px);margin:80px auto}@media (width<=560px){.page{width:min(100% - 28px,720px);padding-top:36px}.resume-card,.section-heading,.unit-title-row{flex-direction:column;align-items:stretch}.resume-card .button-row{width:100%}.resume-card .button-row button{flex:1}.section-heading .secondary{align-self:flex-start}.unit-card{gap:12px;padding:18px 15px}.status{align-self:flex-start}.question-card,.feedback-card,.summary-card{border-radius:10px}.score-buttons,.summary-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}