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

body{
    background:#f4f6fb;
}

/* Sidebar */

.sidebar{
    position:fixed;
    left:0;
    top:0;
    width:270px;
    height:100vh;
    background:#1f2937;
    color:#fff;
    overflow-y:auto;
}

.sidebar .logo{
    text-align:center;
    font-size:38px;
    font-weight:bold;
    padding:30px 0;
}

.sidebar ul{
    list-style:none;
    padding:0;
}

.sidebar ul li{
    width:100%;
}

.sidebar ul li a{
    display:block;
    color:white;
    text-decoration:none;
    padding:18px 30px;
    font-size:18px;
    transition:.3s;
}

.sidebar ul li a:hover{
    background:#2563eb;
}

.sidebar ul li a i{
    width:28px;
}

/* Logout Button */

.logout-btn{
    display:block;
    margin:40px 20px;
    background:#dc3545;
    color:white;
    text-align:center;
    padding:15px;
    border-radius:8px;
    text-decoration:none;
    font-size:18px;
}

.logout-btn:hover{
    background:#bb2d3b;
}

/* Main Content */

.main-content{
    margin-left:270px;
    min-height:100vh;
}

/* Topbar */

.topbar{
    background:white;
    height:80px;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:0 35px;
    box-shadow:0 2px 8px rgba(0,0,0,.08);
}

.topbar h4{
    margin:0;
    font-size:34px;
    font-weight:700;
}

.topbar-right{
    font-size:22px;
}

/* Dashboard */

.dashboard{
    padding:35px;
}

.dashboard-card{
    background:white;
    border-radius:18px;
    padding:30px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
    min-height:170px;
}

.dashboard-card h5{
    font-size:22px;
    margin-bottom:25px;
}

.dashboard-card h1{
    font-size:54px;
    color:#2563eb;
}

/* ===================================
   PROFESSIONAL LOGIN
===================================*/

.login-page{
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    background:#eef2f7;
    padding:20px;
}

.login-card{

    width:100%;
    max-width:420px;

    background:#fff;

    border-radius:18px;

    padding:45px;

    box-shadow:0 20px 60px rgba(0,0,0,.08);

}

.login-logo{

    width:90px;
    height:90px;

    margin:auto;

    background:#2563eb;

    color:white;

    border-radius:50%;

    display:flex;

    justify-content:center;

    align-items:center;

    font-size:42px;

    margin-bottom:25px;

}

.login-card h2{

    text-align:center;

    font-weight:700;

}

.login-card p{

    text-align:center;

    color:#666;

    margin-bottom:30px;

}

.login-card .form-control{

    height:55px;

    border-radius:10px;

}

.login-card .btn{

    height:55px;

    border-radius:10px;

    font-weight:600;

}

.login-footer{

    text-align:center;

    color:#999;

    margin-top:30px;

    font-size:13px;

}