/* Frontend foundation utilities (v1) */
.foundation-v1 .u-flow-sm > * + * {
    margin-top: var(--ff-space-2);
}

.foundation-v1 .u-flow-md > * + * {
    margin-top: var(--ff-space-4);
}

.foundation-v1 .u-surface {
    background: var(--ff-surface-raised);
    border: 1px solid var(--ff-border-default);
    border-radius: var(--ff-radius-lg);
}

.foundation-v1 .u-surface-subtle {
    background: var(--ff-surface-subtle);
    border: 1px solid var(--ff-border-subtle);
    border-radius: var(--ff-radius-md);
}

.foundation-v1 .u-shadow-sm {
    box-shadow: var(--ff-shadow-sm);
}

.foundation-v1 .u-shadow-md {
    box-shadow: var(--ff-shadow-md);
}

.foundation-v1 .u-text-muted {
    color: var(--ff-text-muted) !important;
}

.foundation-v1 .u-text-secondary {
    color: var(--ff-text-secondary) !important;
}

.foundation-v1 .u-text-strong {
    color: var(--ff-text-primary) !important;
}

.foundation-v1 .u-stack {
    display: flex;
    flex-direction: column;
    gap: var(--ff-space-3);
}

.foundation-v1 .u-stack-sm {
    display: flex;
    flex-direction: column;
    gap: var(--ff-space-2);
}

.foundation-v1 .u-inline-actions {
    display: inline-flex;
    align-items: center;
    gap: var(--ff-space-2);
    flex-wrap: wrap;
}

.foundation-v1 .u-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--ff-space-3);
}

.foundation-v1 .u-density-compact {
    --ff-density-default: var(--ff-density-compact-row);
}

.foundation-v1 .u-density-comfort {
    --ff-density-default: var(--ff-density-comfort-row);
}

.foundation-v1 .u-density-spacious {
    --ff-density-default: var(--ff-density-spacious-row);
}

.foundation-v1 .u-grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--ff-space-4);
}

.foundation-v1 .u-chart-palette-1 {
    color: var(--ff-chart-01);
}

.foundation-v1 .u-chart-palette-2 {
    color: var(--ff-chart-02);
}

.foundation-v1 .u-chart-palette-3 {
    color: var(--ff-chart-03);
}