:root{--navy:#0e2342;--ink:#172033;--muted:#64748b;--white:#fff;--gold:#c89b3c;--line:#e4e7ec;--reader-size:20px}*{box-sizing:border-box}body{margin:0;font-family:Georgia,'Times New Roman',serif;color:var(--ink);background:#f7f8fb;line-height:1.65}button{font:inherit;cursor:pointer}.eyebrow{font-family:Arial,sans-serif;font-weight:700;letter-spacing:.17em;font-size:.82rem;color:#e3c478}.primary{border:0;border-radius:999px;padding:13px 22px;font-family:Arial,sans-serif;font-weight:800;background:var(--gold);color:#161616}.student-hero{background:linear-gradient(145deg,#0a1930,#214d78);color:#fff;padding:58px 20px 46px}.hero-inner{max-width:1040px;margin:auto}.student-hero h1{font-family:Arial,sans-serif;font-size:clamp(3.5rem,11vw,7.5rem);line-height:.9;margin:18px 0 14px;letter-spacing:-.05em}.subtitle{font-size:clamp(1.25rem,3vw,2rem);max-width:800px;margin:0 0 10px}.prepared{color:#cbd5e1}.student-identity{margin-top:20px;font-family:Arial,sans-serif}.student-identity button{margin-left:8px;border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;border-radius:999px;padding:5px 10px;font-size:.85rem}.student-nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);display:flex;justify-content:center;gap:8px;flex-wrap:wrap;padding:10px}.student-nav a,.student-nav button{border:0;background:#edf2f7;color:#22324a;text-decoration:none;border-radius:999px;padding:9px 14px;font-family:Arial,sans-serif;font-weight:800}.student-main{max-width:1080px;margin:auto;padding:34px 18px 60px}.student-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;margin-bottom:34px}.student-intro h2{margin:.15em 0}.tag{font-family:Arial,sans-serif;font-size:.76rem;letter-spacing:.09em;text-transform:uppercase;font-weight:800;color:var(--muted)}.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.method-grid div{border:1px solid #dfe5ec;border-radius:14px;padding:16px;background:#f9fbfd}.method-grid strong{display:block;font-family:Arial,sans-serif;font-size:1.6rem;color:#b07e1b}.method-grid span{display:block;font-family:Arial,sans-serif;font-weight:900;color:var(--navy)}.method-grid small{color:var(--muted)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.section-heading h2{margin:.1em 0;font-size:2rem}.progress-box{width:92px;height:92px;border-radius:50%;background:var(--navy);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center}.progress-box span{font-family:Arial,sans-serif;font-weight:900;font-size:1.35rem}.teacher-message-card{margin:.7rem 0;padding:1rem;border:1px solid #d9e2ec;border-radius:14px;background:#fff}.teacher-message-card.unread{border-left:5px solid #163a63}.teacher-message-card small{display:block;color:#667085;margin-bottom:.35rem}.teacher-message-card p{margin:.25rem 0}.message-badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;background:#a83232;color:#fff;font-size:.75rem;vertical-align:middle}.student-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.student-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;display:grid;grid-template-columns:54px 1fr;gap:16px;box-shadow:0 8px 26px rgba(15,23,42,.04)}.student-card.done{border-color:#a7c8ad;background:#fbfffb}.lesson-num{width:48px;height:48px;border-radius:14px;background:#e8eef5;color:var(--navy);font-family:Arial,sans-serif;font-size:1.45rem;font-weight:900;display:flex;align-items:center;justify-content:center}.student-card h3{font-size:1.35rem;line-height:1.2;margin:.15em 0 .4em}.student-card p{color:#526071;margin:.2em 0}.card-meta{font-family:Arial,sans-serif;font-size:.82rem;color:#7a8798;margin:10px 0}.student-card button,.check-btn,.complete-btn{border:0;background:var(--navy);color:#fff;border-radius:10px;padding:10px 14px;font-family:Arial,sans-serif;font-weight:800}.done-mark{position:absolute;right:15px;top:13px;width:30px;height:30px;border-radius:50%;background:#24733b;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}footer{padding:30px 18px;background:#0a172b;color:#e2e8f0;text-align:center;display:flex;gap:8px;flex-direction:column}.modal{position:fixed;inset:0;background:rgba(7,14,25,.72);z-index:50;display:none;padding:18px;overflow:auto}.modal.open{display:block}.modal-panel{max-width:980px;margin:0 auto;background:#fff;min-height:95vh;border-radius:18px;overflow:hidden}.reader-toolbar{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 14px;display:flex;justify-content:space-between;align-items:center;z-index:5}.reader-actions{display:flex;gap:7px}.icon-btn,.reader-nav button{border:1px solid #d9dee7;background:#fff;border-radius:9px;padding:8px 11px;font-family:Arial,sans-serif;font-weight:700}.reader-content{font-size:var(--reader-size);padding:35px clamp(20px,6vw,70px) 40px}.reader-content h1{font-family:Arial,sans-serif;font-size:2.2em;line-height:1.05;color:var(--navy);margin:.2em 0}.reader-content h2{font-family:Arial,sans-serif;font-size:1.35em;color:var(--navy);margin-top:1.7em}.reader-content .meta{color:#64748b;font-size:.9em}.truth{border-left:5px solid var(--gold);padding:14px 18px;background:#fff8e8;margin:24px 0;font-weight:700}.reader-nav{display:flex;justify-content:space-between;padding:18px 30px 32px}.lesson-badge,.block-kicker{font-family:Arial,sans-serif;font-size:.76em;letter-spacing:.12em;font-weight:900;color:#8a651d}.lesson-block{border-top:1px solid #e2e8f0;margin-top:34px;padding-top:27px}.student-question{display:block;margin:18px 0}.student-question span{display:block;font-weight:700;margin-bottom:7px}.student-question textarea{width:100%;resize:vertical;border:1px solid #cbd5e1;border-radius:12px;padding:13px;font:inherit;line-height:1.5;background:#fbfcfe}.quiz-q{border:1px solid #dce2e9;border-radius:14px;padding:16px;margin:16px 0}.quiz-q legend{font-weight:800;padding:0 7px}.quiz-q label{display:block;padding:7px 5px}.feedback{margin-top:8px;font-family:Arial,sans-serif;font-weight:800}.feedback.good{color:#187238}.feedback.bad{color:#9d2d2d}.score-box{margin-top:14px;padding:15px;border-radius:12px;background:#f1f5f9;font-family:Arial,sans-serif}.complete-btn{background:#24733b;margin-top:14px}.conclusion{background:#fbfaf4;border:1px solid #e8dfc6;border-radius:16px;padding:22px;margin-bottom:12px}.large-ui{font-size:1.1em}.name-gate{position:fixed;inset:0;background:linear-gradient(145deg,#071527,#17385f);z-index:200;display:none;align-items:flex-start;justify-content:center;padding:22px;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.name-gate.open{display:flex}.name-card{width:min(560px,100%);background:#fff;border-radius:22px;padding:32px;box-shadow:0 30px 90px rgba(0,0,0,.28);margin:auto 0;max-height:none}.name-card .eyebrow{color:#8a651d}.name-card h1{font-family:Arial,sans-serif;color:var(--navy);font-size:2.2rem;margin:.35em 0}.name-card p{color:#526071}.name-card label{display:block;font-family:Arial,sans-serif;font-weight:800;margin:18px 0 7px}.name-card input{width:100%;padding:14px 15px;border:1px solid #cbd5e1;border-radius:12px;font-size:1.05rem;margin-bottom:16px}.name-card small{display:block;color:#64748b;margin-top:14px}.admin-students{display:grid;gap:18px;margin-top:22px}.admin-student{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}.admin-student-head h2{margin:0}.admin-student-head p,.muted{color:#64748b}.admin-lesson{border-top:1px solid #e5e7eb;padding:12px 0}.admin-lesson summary{cursor:pointer;display:flex;justify-content:space-between;gap:14px;font-family:Arial,sans-serif}.admin-lesson-body{padding:10px 4px}.admin-answer{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:12px 14px;margin:10px 0}.admin-answer small{color:#7c5c17;font-family:Arial,sans-serif;font-weight:800}.admin-answer p{margin:.35em 0 0;white-space:pre-wrap}@media(max-width:760px){.student-intro{grid-template-columns:1fr}.student-cards{grid-template-columns:1fr}.section-heading{align-items:center}.progress-box{width:72px;height:72px}.admin-lesson summary{display:block}.name-gate{display:none;position:absolute;inset:0 auto auto 0;width:100%;height:auto;min-height:100vh;overflow:visible;align-items:initial;justify-content:initial;padding:12px 10px 120px}.name-gate.open{display:block}.name-card{width:100%;padding:20px;margin:0 auto;border-radius:16px}.name-card h1{font-size:1.75rem}.name-card label{margin-top:12px}.name-card input{margin-bottom:10px;padding:12px}}@media(max-width:580px){.modal{padding:0}.modal-panel{border-radius:0;min-height:100vh}.reader-content{padding:28px 20px 35px}}