:root{color:#1d2939;background:#f6f8fb;font:16px system-ui,sans-serif}*{box-sizing:border-box}body{margin:0}.shell{grid-template-columns:250px 1fr;min-height:100vh;display:grid}aside{color:#fff;background:#12233f;flex-direction:column;gap:12px;padding:24px;display:flex}aside h1{margin:0;font-size:20px}nav{flex:1;gap:4px;display:grid}button{color:#fff;cursor:pointer;font:inherit;background:#1267d6;border:0;border-radius:7px;padding:10px 14px}aside button{text-align:left;background:0 0}.active{background:#264d80!important}.secondary{color:#263342;background:#e6ebf2}main{width:100%;max-width:1400px;padding:24px}header{border-bottom:1px solid #dbe2ea;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}header h2{margin-bottom:2px}label{gap:5px;font-size:14px;display:grid}input{font:inherit;border:1px solid #b9c5d4;border-radius:6px;padding:9px}.panel{background:#fff;border:1px solid #dbe2ea;border-radius:10px;padding:18px;overflow:auto}.grid{grid-template-columns:repeat(3,minmax(180px,1fr));gap:12px;display:grid}.grid div{align-items:end;gap:8px;display:flex}.error{color:#a30d28;background:#ffe9ed;border-radius:6px;padding:10px}.hint{color:#526174;font-size:13px}.calendar{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px;display:grid}.calendar article{border:1px solid #dbe2ea;border-radius:7px;gap:4px;padding:12px;display:grid}.login{max-width:400px;margin:9vh auto}.login form{gap:14px;display:grid}@media (width<=760px){.shell{grid-template-columns:1fr}aside{padding:14px}nav{grid-template-columns:repeat(2,minmax(0,1fr))}main{padding:16px}header{flex-wrap:wrap;align-items:flex-start}.grid{grid-template-columns:1fr}}