/**
 * DM Parri - Unified Search (stile ACS)
 * Stili per ricerca unificata: barra ricerca, pannello avanzato nascosto, risultati raggruppati e carousel
 */

:root {
    --us-primary: #1976d2;
    --us-primary-dark: #1565c0;
    --us-border: #e0e0e0;
    --us-bg: #fafafa;
    --us-text: #212121;
    --us-text-secondary: #757575;
    --us-radius: 4px;
    --us-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

.parri-unified-search {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--us-text);
}

/* Barra ricerca */
.us-search-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
}

.us-search-input {
    flex: 1;
    min-width: 200px;
    padding: 12px 16px;
    border: 2px solid var(--us-border);
    border-radius: var(--us-radius);
    font-size: 16px;
}

.us-search-input:focus {
    outline: none;
    border-color: var(--us-primary);
}

.us-btn {
    padding: 10px 18px;
    border: none;
    border-radius: var(--us-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.us-btn-search {
    background: var(--us-primary);
    color: #fff;
}

.us-btn-search:hover {
    background: var(--us-primary-dark);
}

.us-btn-advanced {
    background: #fff;
    color: var(--us-primary);
    border: 2px solid var(--us-primary);
}

.us-btn-advanced:hover {
    background: rgba(25, 118, 210, 0.08);
}

.us-btn-clear {
    background: #fff;
    color: var(--us-text-secondary);
    border: 1px solid var(--us-border);
}

.us-btn-clear:hover {
    background: var(--us-bg);
}

/* Pannello ricerca avanzata (nascosto di default) */
.us-advanced-panel {
    margin-bottom: 16px;
    padding: 16px;
    background: var(--us-bg);
    border: 1px solid var(--us-border);
    border-radius: var(--us-radius);
}

.us-advanced-panel[hidden] {
    display: none !important;
}

.us-facets {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 12px;
}

.us-facet-title {
    margin: 0 0 8px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--us-text);
}

.us-facet-items {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.us-facet-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
}

.us-facet-item input {
    margin: 0;
}

.us-facet-count {
    color: var(--us-text-secondary);
    font-size: 13px;
}

.us-facet-empty {
    margin: 0;
    font-size: 14px;
    color: var(--us-text-secondary);
}

/* Chips filtri attivi */
.us-active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    min-height: 24px;
}

.us-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: #e3f2fd;
    color: var(--us-primary-dark);
    border-radius: 20px;
    font-size: 13px;
}

.us-chip-remove {
    padding: 0;
    margin: 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    color: inherit;
    opacity: 0.8;
}

.us-chip-remove:hover {
    opacity: 1;
}

/* Contatore risultati */
.us-results-count {
    font-size: 15px;
    color: var(--us-text-secondary);
    margin-bottom: 16px;
}

/* Blocchi raggruppati per tipologia */
.us-group {
    margin-bottom: 32px;
}

.us-group-title {
    margin: 0 0 12px 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--us-text);
    padding-bottom: 8px;
    border-bottom: 2px solid var(--us-border);
}

/* Carousel orizzontale */
.us-carousel {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 12px;
    margin-bottom: 12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.us-carousel::-webkit-scrollbar {
    height: 8px;
}

.us-carousel::-webkit-scrollbar-thumb {
    background: var(--us-border);
    border-radius: 4px;
}

.us-card {
    flex: 0 0 280px;
    padding: 16px;
    background: #fff;
    border: 1px solid var(--us-border);
    border-radius: var(--us-radius);
    box-shadow: var(--us-shadow);
    scroll-snap-align: start;
}

.us-card-title {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.3;
}

.us-card-excerpt {
    margin: 0 0 8px 0;
    font-size: 14px;
    color: var(--us-text-secondary);
    line-height: 1.4;
}

.us-card-meta {
    font-size: 13px;
    color: var(--us-text-secondary);
}

.us-vedi-tutti {
    margin: 0;
}

.us-vedi-tutti-link {
    color: var(--us-primary);
    font-weight: 500;
    text-decoration: none;
}

.us-vedi-tutti-link:hover {
    text-decoration: underline;
}

/* Lista paginata (Vedi tutti) */
.us-list-wrap {
    margin-top: 16px;
}

.us-back-grouped {
    margin: 0 0 16px 0;
}

.us-back-grouped-link {
    color: var(--us-primary);
    text-decoration: none;
    font-size: 14px;
}

.us-back-grouped-link:hover {
    text-decoration: underline;
}

.us-result-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--us-border);
}

.us-result-item:last-child {
    border-bottom: none;
}

.us-result-title {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 600;
}

.us-result-excerpt {
    margin: 0 0 8px 0;
    font-size: 14px;
    color: var(--us-text-secondary);
}

.us-result-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--us-text-secondary);
}

.us-meta-date::after,
.us-meta-tipologia::after,
.us-meta-fondo::after {
    content: "·";
    margin-left: 12px;
    color: var(--us-border);
}

.us-meta-fondo::after {
    content: "";
    margin: 0;
}

/* Paginazione */
.us-pagination-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
    padding: 16px 0;
}

.us-pagination-btn {
    padding: 8px 16px;
    border: 1px solid var(--us-border);
    border-radius: var(--us-radius);
    background: #fff;
    font-size: 14px;
    cursor: pointer;
}

.us-pagination-btn:hover:not([disabled]) {
    background: var(--us-bg);
}

.us-pagination-btn:disabled {
    opacity: 0.5;
    cursor: default;
}

.us-pagination-info {
    font-size: 14px;
    color: var(--us-text-secondary);
}

/* Messaggi */
.us-no-results {
    padding: 24px;
    text-align: center;
    color: var(--us-text-secondary);
}

.us-loading {
    padding: 24px;
    text-align: center;
    color: var(--us-text-secondary);
}

.us-error {
    padding: 16px;
    background: #ffebee;
    color: #c62828;
    border-radius: var(--us-radius);
    margin-top: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .parri-unified-search {
        padding: 12px;
    }

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

    .us-search-input {
        min-width: 0;
    }

    .us-btn {
        width: 100%;
    }

    .us-card {
        flex: 0 0 240px;
    }

    .us-facets {
        grid-template-columns: 1fr;
    }
}