:root {
    --color-online: #22c55e;
    --color-offline: #94a3b8;
    --color-accent: #3b82f6;
}

/* Nav */
nav.container {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--pico-background-color);
    border-bottom: 1px solid var(--pico-border-color);
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

/* Header */
header h1 {
    margin-bottom: 0.25rem;
}

.hublist-urls {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.hublist-url {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 0;
}

.hublist-url code {
    font-size: 0.875rem;
    word-break: break-all;
}

.copy-btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    white-space: nowrap;
    margin: 0;
}

/* Search bar */
.search-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.search-bar input[type="search"] {
    flex: 1;
    min-width: 200px;
    margin-bottom: 0;
}

.hub-count {
    font-size: 0.875rem;
    opacity: 0.7;
    white-space: nowrap;
}

/* Table */
#hubTable {
    margin-bottom: 1rem;
}

#hubTable th.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 1.5rem;
}

#hubTable th.sortable::after {
    content: '↕';
    position: absolute;
    right: 0.5rem;
    opacity: 0.3;
}

#hubTable th.sort-asc::after {
    content: '↑';
    opacity: 0.8;
}

#hubTable th.sort-desc::after {
    content: '↓';
    opacity: 0.8;
}

#hubTable th.sortable:hover::after {
    opacity: 0.6;
}

/* Status badges */
.status-badge {
    display: inline-block;
    font-size: 0.75rem;
    margin-right: 0.25rem;
}

.status-online {
    color: var(--color-online);
}

.status-offline {
    color: var(--color-offline);
}

/* Clickable rows */
.hub-row {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.hub-row:hover {
    background-color: var(--pico-muted-border-color);
}

.hub-row:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
}

/* Error */
.error {
    text-align: center;
    padding: 2rem;
    color: var(--pico-del-color);
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 0;
}

.pagination button {
    margin: 0;
    padding: 0.5rem 1rem;
}

.pagination #pageInfo {
    font-size: 0.875rem;
    min-width: 5rem;
    text-align: center;
}

/* Modal */
dialog article {
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

dialog article header p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

dialog article header .status-badge {
    font-size: 0.75rem;
    font-weight: normal;
}

dialog section {
    margin-bottom: 1rem;
}

dialog section:last-child {
    margin-bottom: 0;
}

dialog section h6 {
    margin-bottom: 0.5rem;
    opacity: 0.7;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

dialog dl {
    margin-bottom: 0;
}

dialog dt {
    font-weight: 600;
    font-size: 0.875rem;
}

dialog dd {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    word-break: break-all;
}

dialog dd:last-child {
    margin-bottom: 0;
}

.address-cell {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.address-cell a {
    word-break: break-all;
}

.address-cell .copy-btn {
    flex-shrink: 0;
}

/* Responsive */
@media (max-width: 768px) {
    dialog article {
        max-width: 100%;
        max-height: 100%;
        height: 100%;
        margin: 0;
        border-radius: 0;
    }

    .hublist-url {
        flex-direction: column;
        align-items: flex-start;
    }

    .search-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .hub-count {
        text-align: right;
    }
}