.ui-shell {
    min-height: 100vh;
}

.ui-main {
    width: min(calc(100% - (2 * var(--ui-space-4))), 90rem);
    margin-inline: auto;
    padding-block: var(--ui-space-6);
}

.ui-stack {
    display: flex;
    flex-direction: column;
    gap: var(--ui-space-4);
}

.ui-stack--small {
    gap: var(--ui-space-2);
}

.ui-stack--large {
    gap: var(--ui-space-6);
}

.ui-cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--ui-space-3);
}

.ui-cluster--between {
    justify-content: space-between;
}

.ui-grid {
    display: grid;
    gap: var(--ui-space-4);
}

.ui-grid--auto {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}


/* Reusable dual-list selector */
.ui-dual-list {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 3.25rem minmax(0, 1fr);
    gap: 1rem;
    align-items: center;
    width: 100%;
}

.ui-dual-list__panel {
    min-width: 0;
}

.ui-dual-list__label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.ui-dual-list__search {
    box-sizing: border-box;
    width: 100%;
    height: 2.5rem;
    margin: 0 0 0.5rem;
    padding: 0 0.75rem;
    border: 1px solid var(--ui-border-color, #cbd5e1);
    border-radius: 0.375rem;
    background: var(--ui-surface, #fff);
    color: inherit;
}

.ui-dual-list__search-spacer {
    height: 3rem;
}

.ui-dual-list__select {
    box-sizing: border-box;
    width: 100%;
    height: 16rem;
    padding: 0.25rem;
    overflow-y: auto;
    border: 1px solid var(--ui-border-color, #cbd5e1);
    border-radius: 0.375rem;
    background: var(--ui-surface, #fff);
    color: inherit;
}

.ui-dual-list__select option {
    padding: 0.55rem 0.65rem;
    cursor: pointer;
}

.ui-dual-list__controls {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
    justify-content: center;
}

.ui-dual-list__move {
    min-width: 3rem;
    min-height: 2.75rem;
    font-size: 1.1rem;
}

.ui-dual-list [data-ui-dual-list-hidden] {
    display: none;
}

@media (max-width: 800px) {
    .ui-dual-list {
        grid-template-columns: 1fr;
    }

    .ui-dual-list__controls {
        flex-direction: row;
    }

    .ui-dual-list__search-spacer {
        display: none;
    }
}