/* mg-link-group: 同一 host link を <details> で集約 (10.10.0 / Phase Ω-Link.2) */

.mg-link-group {
    background: #f9f9fb;
    border: 1px solid #e0e0e3;
    border-radius: 6px;
    padding: 10px 14px;
    margin: 16px 0;
}

.mg-link-group__summary {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    list-style: none;
    user-select: none;
}

/* Hide native details marker */
.mg-link-group__summary::-webkit-details-marker {
    display: none;
}
.mg-link-group__summary::marker {
    content: '';
}

/* Custom chevron indicator */
.mg-link-group__summary::after {
    content: '▾';
    margin-left: auto;
    color: #757575;
    transition: transform 0.2s ease;
}

.mg-link-group[open] .mg-link-group__summary::after {
    transform: rotate(180deg);
}

.mg-link-group__icon {
    font-size: 1.1em;
}

.mg-link-group__host {
    color: var(--mg-wp-blue);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.95em;
}

.mg-link-group__count {
    color: #6e6e76;
    font-weight: 400;
    font-size: 0.9em;
}

.mg-link-group__list {
    list-style: none;
    padding: 10px 0 0 28px;
    margin: 0;
}

.mg-link-group__list li {
    padding: 5px 0;
    border-top: 1px dashed #e8e8eb;
}

.mg-link-group__list li:first-child {
    border-top: none;
}

.mg-link-group__list a {
    display: inline-block;
    padding: 2px 0;
    color: var(--mg-wp-gray-dark);
    text-decoration: none;
}

.mg-link-group__list a:hover,
.mg-link-group__list a:focus-visible {
    color: var(--mg-wp-blue);
    text-decoration: underline;
}

/* Focus visible for keyboard nav */
.mg-link-group__summary:focus-visible {
    outline: 2px solid var(--mg-wp-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .mg-link-group__summary::after {
        transition: none;
    }
}

/* Dark mode (if SWELL or theme supports) */
@media (prefers-color-scheme: dark) {
    .mg-link-group {
        background: #1d1d1f;
        border-color: #3a3a3e;
    }
    .mg-link-group__host {
        color: #4dabf7;
    }
    .mg-link-group__list a {
        color: #e8e8eb;
    }
    .mg-link-group__list li {
        border-top-color: #3a3a3e;
    }
}