@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&display=swap');:root{--ink:#19233f;--muted:#667591;--blue:#405cff;--purple:#8642e9}*{box-sizing:border-box}body{margin:0;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);background:radial-gradient(ellipse at 10% 20%,#dfe5ff,transparent 45%),#f6f8ff;min-height:100vh}h1{font-size:clamp(30px,4vw,46px);letter-spacing:-1.5px;line-height:1.15;margin:12px 0 18px}h2{letter-spacing:-.6px}p{color:var(--muted);line-height:1.65}.eyebrow{color:#6655f7;font-weight:800;font-size:11px;letter-spacing:2px}.auth{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:25px}.auth .panel{max-width:490px;width:100%;padding:42px 38px;text-align:center}.logo{width:225px;max-width:85%;display:block;margin:0 auto 28px}.panel{background:#fff;border:1px solid #e6eaf5;border-radius:22px;padding:28px;box-shadow:0 14px 42px #28336d0a}.auth form{text-align:left}.auth small{display:block;color:#8993ab;margin-top:22px}label{display:block;font-weight:700;font-size:13px;margin:12px 0}input:not([type=radio]):not([type=hidden]){display:block;width:100%;padding:14px;border:1px solid #d9e0f0;border-radius:11px;background:#eef3ff;margin-top:8px;font:inherit}button,.btn{background:linear-gradient(100deg,var(--blue),var(--purple));color:#fff;border:0;border-radius:11px;padding:14px 21px;font:700 14px 'DM Sans',Arial,sans-serif;cursor:pointer;text-decoration:none;display:inline-block}button:hover,.btn:hover{filter:brightness(1.07)}.auth button{width:100%;margin-top:14px}.error{color:#b42318}.top{display:flex;align-items:center;justify-content:space-between;padding:18px max(20px,calc((100vw - 1120px)/2));background:#fff;border-bottom:1px solid #e6eaf5;gap:20px}.top img{width:155px}.top nav{display:flex;flex-wrap:wrap;gap:20px}.top a{color:var(--ink);text-decoration:none;font-size:13px;font-weight:700}.wrap{max-width:1120px;margin:45px auto 100px;padding:0 20px}.wrap>.panel{margin:26px 0}.progress{height:10px;background:#e6eaff;border-radius:20px;overflow:hidden;margin-top:18px}.progress span{height:100%;display:block;background:linear-gradient(90deg,var(--blue),var(--purple))}.module{margin-top:38px}.lesson-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:15px}.lesson{background:#fff;border:1px solid #e6eaf5;border-radius:17px;padding:21px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:12px;min-height:160px}.lesson:hover{border-color:#8e7eff;transform:translateY(-2px)}.lesson span{font-size:12px;color:#715bfa;font-weight:800}.lesson small{color:#7582a0}.placeholder{min-height:300px;background:#19233f;color:#fff;border-radius:15px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:30px}.placeholder p{color:#bfc9df}.back{display:block;margin-bottom:28px}.exam{max-width:760px}.exam fieldset{margin:22px 0;border:1px solid #e6eaf5}.exam legend{font-weight:800;padding:0 10px}.option{display:flex;align-items:center;gap:10px;padding:10px;font-weight:500}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));align-items:end;gap:12px}.form-grid button{margin-bottom:12px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}td,th{padding:13px;text-align:left;border-bottom:1px solid #edf0f6}button.small{padding:8px 12px}@media(max-width:600px){.auth .panel{padding:30px 22px}.top{align-items:flex-start;flex-direction:column}.wrap{margin-top:28px}}