.sidebar-card {
    padding: 1.5rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 0 0 2em 0;
}

.sidebar-card .card-text {
    font-size: 1rem;
    line-height: 1.5em;
    margin-bottom: 1em;
    display: block;
}

/* Background Theme Presets */
.sidebar-card.bg-light { background-color: #f8f9fa; }
.sidebar-card.bg-dark { background-color: #1a202c; }
.sidebar-card.bg-accent { background-color: #0056b3; }
.sidebar-card.bg-green { background-color: #009886; }

/* Dark Contrast Inversions (White text & inverted button) */
.sidebar-card.card-contrast-light .card-title,
.sidebar-card.card-contrast-light .card-text,
.sidebar-card.bg-green .card-title,
.sidebar-card.bg-green .card-text { 
    color: #ffffff; 
}

.sidebar-card.card-contrast-light .card-button,
.sidebar-card.bg-green .card-button {
    background-color: #ffffff;
    color: #009886;
    padding: 0.6rem 1.2rem;
    display: inline-block;
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.sidebar-card.card-contrast-light .card-button:hover,
.sidebar-card.card-contrast-light .card-button:focus-visible,
.sidebar-card.bg-green .card-button:hover,
.sidebar-card.bg-green .card-button:focus-visible {
    background-color: #e2e8f0;
    color: #1a202c;
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}