:root{color-scheme:light;--ink:#102a43;--blue:#1648a0;--paper:#f3f7fc;--line:#cbd7e7}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,sans-serif}header{background:#102a43;color:white;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px max(24px,calc((100vw - 1160px)/2))}a{color:var(--blue)}header a{color:white;text-decoration:none}.brand{font:700 28px/1.1 Georgia,serif;white-space:nowrap}.brand span{display:block;font:12px/2 system-ui;letter-spacing:2px}nav{display:flex;gap:24px;flex-wrap:wrap}main{max-width:1160px;margin:36px auto;padding:0 24px}.intro{border-left:6px solid #f4be47;padding:0 24px;margin-bottom:30px}h1{font:700 clamp(30px,4vw,46px)/1.15 Georgia,serif;margin:10px 0 16px}h2{font-size:24px;line-height:1.3}p{margin:10px 0}.eyebrow,.tag{text-transform:uppercase;letter-spacing:1.4px;font-size:14px;font-weight:700}.eyebrow{color:var(--blue)}.controls{display:flex;gap:20px;flex-wrap:wrap;padding:18px 0;border-top:1px solid var(--line)}label{display:grid;gap:8px;font-weight:600}select,button,textarea{font:inherit}select,button{padding:11px 16px;border:1px solid #8da4bf;border-radius:8px;background:white;color:var(--ink)}button{cursor:pointer}button:hover,.button:hover{background:#e0ebff}button:focus-visible,a:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #d99400;outline-offset:3px}.library{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.card{background:white;padding:28px;border:1px solid var(--line);border-top:5px solid var(--blue);border-radius:12px;display:flex;flex-direction:column}.card[data-skill=Writing]{border-top-color:#8058bd}.card[data-skill=Vocabulary]{border-top-color:#147b74}.card[data-skill=Grammar]{border-top-color:#c27613}.card h2{margin:12px 0}.meta{font-size:14px;color:#465f79}.button{display:inline-block;text-decoration:none;font-weight:700;border-radius:8px;border:1px solid #8da4bf;padding:11px 16px;margin-top:20px;align-self:flex-start}.teacher-note{margin-top:35px;padding:24px;background:#e5edf8;border-radius:12px}footer{max-width:1160px;margin:32px auto;padding:24px;font-size:14px;border-top:1px solid var(--line)}.lesson-top{display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:28px}.text{font:20px/1.85 Georgia,serif}.text p{margin-bottom:22px}.line-no{color:#516d8b;font:14px system-ui;margin-right:10px}.support{background:#e6f3f0;padding:18px;border-left:4px solid #147b74;margin:20px 0}.model{background:#edf2ff;padding:18px;margin:20px 0}textarea{width:100%;min-height:170px;padding:14px;border:1px solid #8da4bf;border-radius:8px;resize:vertical}.options{display:grid;gap:12px;margin:18px 0}.options button{text-align:left}.feedback{padding:15px;background:#fff4d9}.feedback:empty{display:none}.check{display:block;font-weight:400;margin:12px 0}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}[hidden]{display:none!important}@media(max-width:760px){header{align-items:flex-start;flex-direction:column}.library,.workspace{grid-template-columns:1fr}main{padding:0 16px}.panel,.card{padding:22px}nav{gap:16px}}@media print{header,.controls,.actions,button,select,footer{display:none}.workspace{display:block}.panel{border:0;break-inside:avoid}textarea{border:0}body{background:white}}

/* Soft lavender and teal across the student and teacher spaces. */
:root{--ink:#343148;--blue:#66508c;--paper:#faf8ff;--line:#ddd6ed}header{background:#eae2f6;color:var(--ink);border-bottom:1px solid #d8cbe9}header a{color:#493866}.intro{border-left-color:#83c8c0}.eyebrow{color:#66508c}.card{border-top-color:#b19bd4;box-shadow:0 4px 16px #49386606}.card[data-skill=Reading]{border-top-color:#b19bd4}.card[data-skill=Writing]{border-top-color:#bfa4de}.card[data-skill=Vocabulary]{border-top-color:#86c9c1}.card[data-skill=Grammar]{border-top-color:#9abfd1}.meta{color:#625a73}.button,button{border-color:#b9abcF;background:#f3eefb;color:#493866}.button:hover,button:hover{background:#e5f4f1;border-color:#83bcb4}.teacher-note{background:#eaf5f2}.model{background:#f0eafa}.support{background:#eaf6f3;border-left-color:#83beb5}.feedback{background:#f3edf9}select,textarea{border-color:#b8afc9;color:var(--ink)}button:focus-visible,a:focus-visible,select:focus-visible,textarea:focus-visible{outline-color:#6e5994}
input{font:inherit;padding:11px 14px;border:1px solid #b8afc9;border-radius:8px;max-width:100%;color:var(--ink);background:white}button:disabled{opacity:.6;cursor:default}input:focus-visible{outline:3px solid #6e5994;outline-offset:3px}textarea:disabled{opacity:1;background:#f8f6fb;color:var(--ink)}#next-session{scroll-margin-top:24px}.text,.student-writing{overflow-wrap:anywhere}