body {
    background-image: url('/images/background.png');
    background-size: cover;
    background-position: center;
    min-height: 100vh;
}

.login-card {
    border-radius: 15px;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
    transition: box-shadow 0.3s, transform 0.3s;
}

.login-title {
    font-weight: 600;
}

footer {
    font-size: 0.875rem;
    margin-top: 1.5rem;
}

.login-card:active, .login-card:focus-within {
    box-shadow: 0 8px 32px rgba(33,37,41,0.18);
    transform: scale(1.01);
}

.logo-img {
    max-height: 80px;
}

.spinner-hidden {
    display: none;
}

.warning-icon {
    color: #ffb300;
}