/* Ana renk paleti */
body {
    background-color: #f4f6f8; /* açık gri, soft */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #2c3e50; /* koyu mavi-gri, ciddi ve okunaklı */
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Georgia', serif;
    color: #1a2732;
}

/* Navbar - devlet mavisi */
.navbar-dark.bg-primary {
    background-color: #003366 !important;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.navbar-dark .navbar-nav .nav-link {
    color: #cfd8dc;
    font-weight: 600;
    transition: color 0.3s ease;
}

    .navbar-dark .navbar-nav .nav-link:hover,
    .navbar-dark .navbar-nav .nav-link.active {
        color: #ffffff;
    }

/* Kart kutuları */
.card {
    border-radius: 6px;
    border: 1px solid #bbc7d4;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

/* Butonlar */
.btn-primary {
    background-color: #004080;
    border-color: #003366;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

    .btn-primary:hover, .btn-primary:focus {
        background-color: #002244;
        border-color: #001733;
    }

/* Footer */
footer.footer {
    background-color: #e3e9f1;
    padding: 1rem 0;
    font-size: 0.9rem;
    color: #3b4b63;
}

/* Formlar */
.form-control {
    border-radius: 4px;
    border: 1px solid #9bb1c5;
    transition: border-color 0.3s ease;
}

    .form-control:focus {
        border-color: #004080;
        box-shadow: 0 0 5px rgba(0, 64, 128, 0.5);
        outline: none;
    }

/* Uyarı mesajları */
.alert-success {
    background-color: #dff0d8;
    color: #3c763d;
    border-color: #d6e9c6;
}

/* Responsive ayarlar */
@media (max-width: 576px) {
    .navbar-collapse {
        background-color: #003366;
        padding: 10px;
    }
}