body {
    background: #f6f8fb;
}

.card {
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

/* Loader overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.6);
    z-index: 20000; /* increased so loader appears above Bootstrap modals */
}


.app-logo {
    height: 100px; /* default visible height */
    max-height: 150px; /* prevents oversized images */
    width: auto; /* preserve aspect ratio */
    object-fit: contain;
    vertical-align: middle;
}

.navbar .container {
    gap: 0.5rem;
}

.navbar .btn-sm {
    padding: 0.25rem 0.6rem;
    font-size: 0.85rem;
}


/* Slightly larger logo on wide screens */
@media (min-width: 992px) {
    .app-logo {
        height: 100px;
    }
}


/* Centered login card */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    overflow: hidden;
    background: #fff;
}

    .login-card .card-body {
        padding: 1.75rem;
    }

.login-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    justify-content: center;
    padding: 1.25rem 1.25rem 0;
}

    .login-logo img {
        width: 48px;
        height: 48px;
        object-fit: contain;
    }

.login-title {
    text-align: center;
    margin-top: 0.25rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: #222;
}

.login-footer {
    padding: 0.75rem 1.25rem 1.25rem;
    text-align: center;
    font-size: 0.9rem;
    color: #666;
}

/* compact form controls */
.login-card .form-control {
    border-radius: 6px;
}

/* small screens: reduce padding */
@media (max-width: 420px) {
    .login-card {
        margin: 0 12px;
    }

    .login-logo img {
        width: 40px;
        height: 40px;
    }
}