:root {

--bg:#f6f8fb;
--card:#ffffff;
--primary:#2563eb;
--border:#e5e7eb;
--text:#1f2937;
--muted:#6b7280;

}

*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Inter,sans-serif;
}

body{
background:var(--bg);
color:var(--text);
}

.layout{
display:flex;
min-height:100vh;
}

.sidebar{
width:280px;
background:white;
border-right:1px solid var(--border);
padding:24px;
position:sticky;
top:0;
height:100vh;
overflow:auto;
}

.sidebar nav{
display:flex;
flex-direction:column;
gap:8px;
margin-top:20px;
}

.sidebar a{
padding:12px;
border-radius:10px;
text-decoration:none;
color:#444;
}

.sidebar a.active,
.sidebar a:hover{
background:#eef4ff;
color:var(--primary);
}

.content{
flex:1;
padding:32px;
}

.page-header{
display:flex;
justify-content:space-between;
align-items:center;
margin-bottom:24px;
}

.dashboard{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
margin-bottom:30px;
}

.dashboard-card{
background:white;
padding:24px;
border-radius:16px;
box-shadow:0 4px 10px rgba(0,0,0,.04);
}

.section-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
margin-top:30px;
}

.course-card{
background:white;
padding:24px;
border-radius:16px;
text-decoration:none;
color:inherit;
transition:.25s;
}

.course-card:hover{
transform:translateY(-4px);
}

.card{
background:white;
padding:28px;
margin-bottom:24px;
border-radius:16px;
box-shadow:0 3px 12px rgba(0,0,0,.05);
}

.guidance{
margin:16px 0;
color:var(--muted);
line-height:1.7;
}

.checklist{
display:grid;
gap:12px;
}

.checklist label{
display:flex;
gap:12px;
align-items:flex-start;
padding:12px;
border:1px solid var(--border);
border-radius:10px;
}

.btn{
background:var(--primary);
color:white;
border:none;
padding:12px 18px;
border-radius:10px;
cursor:pointer;
}

@media(max-width:900px){

.layout{
flex-direction:column;
}

.sidebar{
width:100%;
height:auto;
position:relative;
}

.content{
padding:20px;
}

}

@media print{

.sidebar,
.btn{
display:none;
}

.content{
padding:0;
}

.card{
box-shadow:none;
border:1px solid #ccc;
break-inside:avoid;
}

}