html {
    font-size: 14px;
    height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    background-color: var(--main-bg);
    color: var(--main-text);
    font-family: "Source Sans 3", "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.dashboard-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.dashboard-card-header {
    background-color: var(--card-header-bg);
    color: var(--card-header-text);
    padding: 0.875rem 1.25rem;
    font-family: "Roboto Slab", Georgia, serif;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dashboard-card-header :is(h1, h2, h3, h4, h5, h6) {
    color: inherit;
}

.dashboard-card-header.instructions-header {
    background-color: var(--btn-primary-bg);
    color: var(--btn-primary-text);
}

.dashboard-card-body {
    padding: 1.25rem;
}