@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root{
    --bg:#f4f7fb;
    --card:#ffffff;
    --sidebar:#111827;
    --sidebar-hover:#1f2937;
    --text:#1f2937;
    --primary:#2563eb;
    --primary-hover:#1d4ed8;
    --shadow:0 10px 30px rgba(0,0,0,.08);
    --radius:16px;
    --transition:.25s ease;
}

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

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

.sidebar{
    position:fixed;
    top:0;
    left:0;
    width:240px;
    height:100vh;
    background:var(--sidebar);
    color:#fff;
    box-shadow:4px 0 25px rgba(0,0,0,.2);
}

.sidebar h3{
    text-align:center;
    padding:25px 0;
    font-weight:700;
    letter-spacing:1px;
}

.sidebar a{
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff;
    text-decoration:none;
    padding:16px 25px;
    transition:var(--transition);
    border-left:4px solid transparent;
}

.sidebar a:hover{
    background:var(--sidebar-hover);
    border-left-color:var(--primary);
    padding-left:32px;
}

.main{
    margin-left:240px;
    padding:30px;
}

.card{
    background:var(--card);
    border:none;
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    transition:var(--transition);
}

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

.table{
    overflow:hidden;
    border-radius:12px;
}

.table thead{
    background:var(--primary);
    color:#fff;
}

.table tbody tr{
    transition:var(--transition);
}

.table tbody tr:hover{
    background:#eef5ff;
}

.btn{
    border-radius:10px;
    transition:var(--transition);
}

.btn-primary{
    background:var(--primary);
    border:none;
}

.btn-primary:hover{
    background:var(--primary-hover);
}

.btn-warning,
.btn-danger{
    color:#fff;
}

.form-control{
    border-radius:10px;
    transition:var(--transition);
}

.form-control:focus{
    box-shadow:none;
    border-color:var(--primary);
}

.modal-content{
    border:none;
    border-radius:20px;
    box-shadow:0 15px 40px rgba(0,0,0,.15);
}

body.dark{
    background:#0f172a;
    color:#fff;
}

body.dark .card{
    background:#1e293b;
    color:#fff;
}

body.dark .table{
    color:#fff;
}

body.dark .table thead{
    background:#334155;
}

body.dark .table tbody tr:hover{
    background:#2b3b55;
}

body.dark .modal-content{
    background:#1e293b;
    color:#fff;
}

body.dark .form-control{
    background:#334155;
    color:#fff;
    border:1px solid #475569;
}

body.dark .form-control::placeholder{
    color:#cbd5e1;
}

body.dark .btn-secondary{
    background:#334155;
    border:none;
}

@media(max-width:768px){

    .sidebar{
        width:70px;
    }

    .sidebar h3{
        font-size:18px;
    }

    .sidebar a{
        justify-content:center;
        padding:18px 5px;
        font-size:0;
    }

    .sidebar a i{
        font-size:20px;
    }

    .main{
        margin-left:70px;
        padding:20px;
    }

}
.navbar-custom{

    display:flex;

    justify-content:space-between;

    align-items:center;

    margin-bottom:25px;

}

.navbar-right{

    display:flex;

    align-items:center;

    gap:15px;

}

.search-box{

    width:250px;

}

.profile{

    display:flex;

    align-items:center;

    gap:8px;

    font-weight:600;

}

.profile i{

    font-size:24px;

}

body.dark .navbar-custom{

    color:#fff;

}
.logo{

    display:flex;

    align-items:center;

    justify-content:center;

    gap:12px;

    height:80px;

    font-size:24px;

    font-weight:700;

    color:#fff;

}

.logo i{

    font-size:30px;

    color:#3b82f6;

}

.menu{

    list-style:none;

    padding:15px;

}

.menu li{

    margin-bottom:10px;

}

.menu a{

    display:flex;

    align-items:center;

    gap:15px;

    padding:14px 18px;

    border-radius:12px;

    color:#fff;

    text-decoration:none;

    transition:.3s;

}

.menu a:hover{

    background:#1e293b;

}

.menu a.active{

    background:#2563eb;

}

.menu i{

    font-size:20px;

}

.logout{

    position:absolute;

    bottom:20px;

    width:100%;

    padding:15px;

}

.logout a{

    display:flex;

    align-items:center;

    gap:15px;

    padding:14px 18px;

    border-radius:12px;

    color:#fff;

    text-decoration:none;

    transition:.3s;

}

.logout a:hover{

    background:#dc2626;

}