body{
margin:0;
font-family:Segoe UI,Arial;
background:#f4f6f9;
}

.top{
background:#1f2937;
color:white;
padding:15px 30px;
display:flex;
justify-content:space-between;
}

.logo{
font-weight:bold;
}

.hero{
text-align:center;
padding:120px 20px;
}

.btn{
background:#2563eb;
color:white;
padding:12px 25px;
text-decoration:none;
border-radius:6px;
}

footer{
text-align:center;
padding:20px;
color:#777;
}

.login-page{
display:flex;
justify-content:center;
align-items:center;
height:100vh;
}

.login-box{
background:white;
padding:40px;
border-radius:8px;
box-shadow:0 3px 10px rgba(0,0,0,0.1);
}

.login-box input{
display:block;
width:220px;
margin:10px 0;
padding:8px;
}

.login-box button{
width:100%;
padding:10px;
background:#2563eb;
border:none;
color:white;
border-radius:5px;
}

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

.sidebar{
width:220px;
background:#111827;
color:white;
padding:20px;
}

.sidebar a{
display:block;
color:#cbd5e1;
padding:10px 0;
text-decoration:none;
}

.main{
flex:1;
padding:25px;
}

.toolbar{
display:flex;
justify-content:space-between;
margin-bottom:20px;
}

.search{
padding:8px;
}

.files{
width:100%;
border-collapse:collapse;
background:white;
}

.files th,.files td{
padding:12px;
border-bottom:1px solid #eee;
}