:root{--ink:#14213d;--ink2:#31415f;--muted:#5d6b82;--bg:#f4f6fb;--card:#fff;--line:#dfe4ee;--accent:#f2a900;--accent-ink:#4a3300;--ok:#1f7a4d;--okbg:#e5f5ec;--warn:#9a5b00;--warnbg:#fff2d6;--err:#a12a2a;--errbg:#fde8e8;--radius:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:#1b4fb8}a:hover{text-decoration:none}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
.top{background:var(--ink);color:#fff}
.bar{max-width:1040px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-size:1.2rem}.brand svg{color:var(--accent)}.brand b{color:var(--accent)}
nav{display:flex;gap:6px;flex:1;flex-wrap:wrap}nav a{color:#e6ebf6;text-decoration:none;padding:6px 10px;border-radius:8px;font-size:.95rem}nav a:hover{background:#ffffff1f}
.who{display:flex;align-items:center;gap:10px;font-size:.88rem;color:#c9d2e6}.who form{margin:0}
button.link{background:none;border:0;color:#fff;text-decoration:underline;cursor:pointer;font:inherit}
main{max-width:860px;margin:0 auto;padding:24px 16px 56px}main.wide{max-width:1040px}
h1{font-size:1.7rem;line-height:1.25;margin:.2em 0 .3em}h2{font-size:1.15rem;margin:0 0 .6em}h3{font-size:1rem;margin:1em 0 .3em}
p{margin:.5em 0}.muted{color:var(--muted);font-size:.92rem}.crumbs{font-size:.86rem;color:var(--muted);margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin:16px 0;box-shadow:0 1px 2px #14213d0a}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.grid .card{margin:0}
.course h2 a{color:var(--ink);text-decoration:none}.course .btn{margin-top:8px}
.login{max-width:400px;margin:48px auto}
.badge{display:inline-block;background:#e9eef9;color:var(--ink2);border-radius:999px;padding:1px 10px;font-size:.78rem;font-weight:600;vertical-align:middle}
.badge.ok{background:var(--okbg);color:var(--ok)}.badge.warn{background:var(--warnbg);color:var(--warn)}
.list{list-style:none;padding:0;margin:0}.list li{padding:9px 0;border-bottom:1px solid var(--line)}.list li:last-child{border:0}
.ticks li::before{content:"✓ ";color:var(--ok);font-weight:700}
label{display:block;font-weight:600;font-size:.92rem;margin:12px 0}
input,select,textarea{display:block;width:100%;margin-top:4px;padding:10px 12px;border:1px solid #b8c2d6;border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
input[type=radio]{display:inline-block;width:auto;margin:0 8px 0 0}
textarea{resize:vertical}
:focus-visible{outline:3px solid #1b4fb8;outline-offset:2px}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:10px 18px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(.95)}.btn.ghost{background:#fff;border:1px solid #b8c2d6;color:var(--ink)}.btn.small{padding:5px 12px;font-size:.88rem}.btn[disabled]{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.flash{border-radius:10px;padding:12px 14px;margin:12px 0}.flash.ok{background:var(--okbg);color:var(--ok)}.flash.err{background:var(--errbg);color:var(--err)}
.notice{background:#eef3ff}
.empty{color:var(--muted);font-style:italic}
table{width:100%;border-collapse:collapse;font-size:.93rem}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}
@media (max-width:640px){table,thead,tbody,tr,th,td{display:block}thead{display:none}tr{border-bottom:2px solid var(--line);padding:6px 0}td{border:0;padding:3px 0}}
progress{width:130px;height:10px;vertical-align:middle;accent-color:var(--accent)}.prog progress{display:block;width:100%;margin-top:6px}
.question legend{font-weight:700;padding:0 6px}.opt{display:block;font-weight:400;padding:8px 10px;border:1px solid var(--line);border-radius:10px;margin:8px 0;cursor:pointer}.opt:hover{background:#f7f9fd}
.scale{display:flex;gap:8px;flex-wrap:wrap}.scale .opt{margin:6px 0}
.answer{background:#f7f9fd;border-left:4px solid var(--accent);padding:6px 14px;border-radius:6px}
.lesson p{font-size:1.05rem}
.inline-form{display:grid;gap:4px 12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));align-items:end;margin-top:10px}
details summary{cursor:pointer;list-style:none;display:inline-block;margin-top:10px}
.sub{border-top:1px solid var(--line);padding-top:6px}
footer{text-align:center;color:var(--muted);font-size:.8rem;padding:24px 16px}