body {
    background-color: #f4f6f9;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}


.navbar {
    background-color: #1f3a5f !important;
}

.navbar-brand,
.navbar-nav .nav-link {
    color: #ffffff !important;
}

.navbar-nav .nav-link:hover {
    color: #d4e3ff !important;
}


h1, h2, h3 {
    color: #1f3a5f;
    margin-bottom: 20px;
}


.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}


.btn-primary {
    background-color: #2c6bed;
    border-color: #2c6bed;
}

.btn-primary:hover {
    background-color: #1f56c1;
    border-color: #1f56c1;
}

.btn-secondary {
    background-color: #6c757d;
}


table {
    background: white;
}

thead {
    background-color: #e9eef7;
}

table th {
    color: #1f3a5f;
}


.form-control {
    border-radius: 6px;
}

.form-control:focus {
    border-color: #2c6bed;
    box-shadow: 0 0 0 0.15rem rgba(44,107,237,.25);
}


.alert-success {
    border-left: 5px solid #28a745;
}

.alert-danger {
    border-left: 5px solid #dc3545;
}