:root{font-family:system-ui,sans-serif;color:#183b35;background:#f4f7f5}body{margin:0}header{background:#075947;color:white;padding:20px 28px;display:flex;gap:28px;align-items:center}header a{color:#fff1bc;text-decoration:none;font-weight:800}header span{margin-left:auto}main{max-width:1360px;margin:auto;padding:28px}h1{margin-bottom:6px}.tools{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.tools a,button{background:#e5f2ed;color:#075947;border:1px solid #c7ded4;border-radius:9px;padding:12px;text-decoration:none;font:inherit;cursor:pointer}.layout{display:grid;grid-template-columns:280px 1fr;gap:22px}aside,article,.section{background:white;border:1px solid #dce5e0;border-radius:14px;padding:20px}input{box-sizing:border-box;width:100%;padding:12px;border:1px solid #c7ded4;border-radius:8px;margin:8px 0}#students button{display:block;text-align:left;width:100%;margin-top:10px}#students button.selected{background:#075947;color:white}.heading{display:flex;justify-content:space-between;align-items:center}.sections{display:grid;grid-template-columns:1fr 1fr;gap:14px}.section{padding:16px}.section h3{margin-top:0}.section li{margin:10px 0;color:#304f48}.unavailable{color:#746b53}#updated{font-size:13px;color:#627a72}button:disabled{opacity:.5;cursor:default}[hidden]{display:none!important}@media(max-width:800px){main{padding:16px}.layout,.sections{grid-template-columns:1fr}header{padding:16px;gap:12px}.heading{gap:10px}}
.tools a[aria-disabled="true"]{opacity:.6;cursor:default;background:#eef0ef;color:#52665e}

.tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch}.tool-group{min-width:0;background:#fff;border:1px solid #dce5e0;border-radius:14px;padding:18px;border-top:4px solid #148568}.tool-group h2{font-size:18px;margin:0 0 14px}.tool-links{display:flex;flex-wrap:wrap;gap:10px}.tool-links a{display:inline-flex;align-items:center;min-height:44px;box-sizing:border-box}.tool-group p{font-size:13px;color:#627a72;line-height:1.5}.tool-group[data-workspace-group="training"]{border-top-color:#4669a9}.tool-group[data-workspace-group="tests"]{border-top-color:#a87526}.tool-group[data-workspace-group="mentoring"]{border-top-color:#8560a2}.tool-group[data-workspace-group="access"]{border-top-color:#71817c}.layout>article,.section{min-width:0}.section li{overflow-wrap:anywhere}a:focus-visible,button:focus-visible{outline:3px solid #b98524;outline-offset:3px}@media(max-width:1050px){.tools{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.tools{grid-template-columns:1fr}.tool-group{padding:16px}.heading{flex-wrap:wrap}header{flex-wrap:wrap}}