body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background-color: #A81532;
    color: white;
    text-align: center;
}
.header img {
    display: block;
    margin: 0 auto;
}
.d-grid .btn {
    background-color: #A81532;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    margin: 0;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.form-container {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    border: 2px solid #A81532;
}

.footer {
    background-color: #A81532;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: auto;
}
a {
    text-decoration: none;
}

.main-content a:hover {
    text-decoration: none;
}
.form-control:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}
.footer a {
    color: #fff;
}
.btn-primary {
    background-color: #dc3545;
    border-color: #dc3545;
}

.btn-primary:hover {
    background-color: #c82333;
    border-color: #bd2130;
}

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {
    .logo {
        font-size: 1.5rem;
    }

    .form-container {
        padding: 1.5rem;
    }

    .main-content {
        padding: 1rem 0;
    }
}