/**
 * Accordion Component Styles
 * Version: 1.0.0
 */

/* ============================================
   CONTAINER E WRAPPER
   ============================================ */

.accordion-section {
    margin: 2rem 0;
    padding: 0;
}

.accordion-section .section-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: #333;
    font-weight: 700;
}

.accordion-container {
    max-width: 100%;
    margin: 0 auto;
}

.accordion-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* ============================================
   ACCORDION ITEM
   ============================================ */

.accordion-item {
    border-bottom: 1px solid #e0e0e0;
    transition: background-color 0.2s ease;
}

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

.accordion-item:hover {
    background-color: #fafafa;
}

.accordion-item.is-active {
    background-color: #f5f5f5;
}

/* ============================================
   ACCORDION HEADER
   ============================================ */

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
    gap: 1rem;
}

.accordion-header:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.accordion-header:focus {
    outline: 2px solid #4a90e2;
    outline-offset: -2px;
}

.accordion-header-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    min-width: 0; /* Permette il text-overflow */
}

/* ============================================
   THUMBNAIL
   ============================================ */

.accordion-thumbnail {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    background-color: #f0f0f0;
}

.accordion-thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.accordion-item:hover .accordion-thumbnail-img {
    transform: scale(1.05);
}

/* ============================================
   TITLE E META
   ============================================ */

.accordion-title-wrapper {
    flex: 1;
    min-width: 0;
}

.accordion-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.accordion-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: #666;
    flex-wrap: wrap;
}

.accordion-meta .article-meta {
    margin: 0;
}

/* ============================================
   ACCORDION ICON
   ============================================ */

.accordion-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
    color: #666;
}

.accordion-item.is-active .accordion-icon {
    transform: rotate(180deg);
    color: #4a90e2;
}

.accordion-icon svg {
    display: block;
    width: 100%;
    height: 100%;
}

/* ============================================
   ACCORDION CONTENT
   ============================================ */

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: #fff;
}

.accordion-item.is-active .accordion-content {
    max-height: 5000px; /* Valore alto per contenuti lunghi */
}

.accordion-content-inner {
    padding: 1.5rem 1.5rem 2rem;
    border-top: 1px solid #e0e0e0;
    animation: fadeIn 0.4s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   LOADING STATE
   ============================================ */

.accordion-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    color: #666;
    font-size: 0.95rem;
}

.accordion-loading .spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #4a90e2;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   ARTICLE CONTENT
   ============================================ */

.accordion-content-inner p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: #444;
}

.accordion-content-inner img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 1rem 0;
}

.accordion-content-inner a {
    color: #4a90e2;
    text-decoration: none;
    transition: color 0.2s ease;
}

.accordion-content-inner a:hover {
    color: #357abd;
    text-decoration: underline;
}

/* ============================================
   PERMALINK
   ============================================ */

.accordion-permalink {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

.read-full-article {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background-color: #4a90e2;
    color: #fff !important;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none !important;
    transition: all 0.3s ease;
}

.read-full-article:hover {
    background-color: #357abd;
    transform: translateX(3px);
}

/* ============================================
   PAGINATION
   ============================================ */

.accordion-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1.5rem 1rem;
    margin-top: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.accordion-pagination-btn {
    padding: 0.625rem 1.25rem;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.accordion-pagination-btn:hover:not(:disabled) {
    background-color: #4a90e2;
    color: #fff;
    border-color: #4a90e2;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.accordion-pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background-color: #f5f5f5;
}

.accordion-pagination .pagination-info {
    font-size: 0.95rem;
    color: #666;
}

.accordion-pagination .pagination-info strong {
    color: #333;
    font-weight: 600;
}

/* ============================================
   LOADING STATE (PAGINATION)
   ============================================ */

.accordion-wrapper.loading-content {
    opacity: 0.6;
    pointer-events: none;
}

.accordion-pagination-btn.loading {
    position: relative;
    color: transparent;
}

.accordion-pagination-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ============================================
   ERROR STATE
   ============================================ */

.pagination-error {
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: #fee;
    border: 1px solid #fcc;
    border-radius: 4px;
    color: #c33;
    text-align: center;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .accordion-header {
        padding: 1rem;
    }

    .accordion-header-content {
        gap: 0.75rem;
    }

    .accordion-thumbnail {
        width: 60px;
        height: 60px;
    }

    .accordion-title {
        font-size: 1rem;
        -webkit-line-clamp: 3;
    }

    .accordion-meta {
        font-size: 0.8rem;
    }

    .accordion-content-inner {
        padding: 1rem;
    }

    .accordion-pagination {
        flex-direction: column;
        gap: 1rem;
    }

    .accordion-pagination-btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .accordion-thumbnail {
        display: none;
    }

    .accordion-title {
        font-size: 0.95rem;
    }

    .accordion-meta {
        font-size: 0.75rem;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.accordion-header:focus-visible {
    outline: 2px solid #4a90e2;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .accordion-content,
    .accordion-icon,
    .accordion-pagination-btn,
    .accordion-thumbnail-img {
        transition: none;
    }

    .accordion-content-inner {
        animation: none;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .accordion-item {
        page-break-inside: avoid;
    }

    .accordion-content {
        max-height: none !important;
    }

    .accordion-icon,
    .accordion-pagination {
        display: none;
    }
}