/* News Page Layout */

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.loading-overlay .spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e9ecef;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

.loading-overlay p {
    font-size: 18px;
    font-weight: 500;
    color: var(--primary-color);
    margin: 0;
}

/* Error Message */
.error-message {
    background: white;
    color: #d32f2f;
    padding: 30px;
    border-radius: 16px;
    border: 2px solid #ffcdd2;
    margin: 30px 0;
    text-align: center;
    font-size: 16px;
    box-shadow: 0 4px 20px rgba(211, 47, 47, 0.1);
    position: relative;
}

.error-message::before {
    content: '⚠️';
    font-size: 24px;
    display: block;
    margin-bottom: 10px;
}

/* News Grid Layout */
.news-grid {
    display: flex;
    gap: 40px;
    margin: 40px 0;
    align-items: flex-start;
}

.main-articles {
    flex: 0 0 auto;
    max-width: 800px;
    width: 100%;
}

.news-sidebar {
    flex: 0 0 320px;
    width: 320px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 40px 0 0 0;
    padding: 0;
    list-style: none;
}

.main-articles .pagination {
    margin-top: 20px;
    border-top: 1px solid #e9ecef;
    padding-top: 20px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 12px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    background: white;
    color: #495057;
}

.pagination a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(26, 63, 103, 0.2);
}

.pagination .pagination-current {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(26, 63, 103, 0.3);
}

.pagination .pagination-ellipsis {
    border: none;
    background: transparent;
    color: #6c757d;
    cursor: default;
}

.pagination .pagination-btn {
    font-weight: 600;
    padding: 0 16px;
}

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

.pagination .pagination-number {
    position: relative;
}

.pagination .pagination-number::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 8px;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
    opacity: 0;
}

.pagination .pagination-number:hover::before {
    transform: translateX(100%);
    opacity: 1;
}

/* Active Filters Bar */
.active-filters-bar {
    background: white;
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(26, 63, 103, 0.08);
    border: 1px solid rgba(26, 63, 103, 0.1);
    display: none;
}

.filter-bar-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-bar-label {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    white-space: nowrap;
}

.filter-tags {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-tag {
    display: flex;
    align-items: center;
    background: rgba(26, 63, 103, 0.08);
    border-radius: 20px;
    padding: 0.5rem 0.75rem;
    border: 1px solid rgba(26, 63, 103, 0.15);
    gap: 0.5rem;
}

.filter-tag-label {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 500;
}

.filter-tag-remove {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    transition: all 0.2s ease;
}

.filter-tag-remove:hover {
    background: #d32f2f;
    color: white;
}

.clear-all-filters {
    background: #f5f5f5;
    border: 1px solid #ddd;
    color: #666;
    padding: 0.4rem 0.8rem;
    border-radius: 16px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.clear-all-filters:hover {
    background: #e0e0e0;
    border-color: #ccc;
    color: #444;
}

/* Empty State */
.news-empty {
    text-align: center;
    padding: 80px 20px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(26, 63, 103, 0.1);
    grid-column: 1 / -1;
}

.news-empty-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.6;
}

.news-empty h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 16px;
    font-weight: 700;
}

.news-empty p {
    font-size: 16px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.news-empty .btn {
    background: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.news-empty .btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 63, 103, 0.3);
}

/* Sponsors Section */
.article-sponsors {
    background: #f8f9fa;
    padding: 3rem 0;
    border-top: 1px solid #e9ecef;
}

.sponsors-section {
    text-align: center;
}

.sponsors-section-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.sponsors-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.sponsor-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: calc(16.666% - 2rem);
    height: 120px;
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(26, 63, 103, 0.1);
    box-shadow: 0 4px 15px rgba(26, 63, 103, 0.05);
}

.sponsor-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26, 63, 103, 0.1);
    border-color: rgba(26, 63, 103, 0.2);
}

.sponsor-logo {
    max-width: 90%;
    max-height: 100%;
    object-fit: contain;
    filter: opacity(0.8);
    transition: all 0.3s ease;
}

.sponsor-item:hover .sponsor-logo {
    opacity: 1;
    transform: scale(1.05);
}

/* Responsive Sponsors Grid */
@media (max-width: 1280px) {
    .sponsors-grid {
        gap: 1.5rem;
    }

    .sponsor-item {
        width: calc(25% - 1.5rem);
        height: 100px;
    }
}

@media (max-width: 768px) {
    .article-sponsors {
        padding: 2rem 0;
    }

    .sponsors-section-title {
        font-size: 1.25rem;
        margin-bottom: 2rem;
    }

    .sponsors-grid {
        gap: 1rem;
    }

    .sponsor-item {
        width: calc(33.333% - 1rem);
        height: 80px;
    }
}

@media (max-width: 480px) {
    .sponsors-grid {
        gap: 0.75rem;
    }

    .sponsor-item {
        width: calc(50% - 0.75rem);
        height: 100px;
    }

    .sponsor-logo {
        max-width: 85%;
    }
}

/* 1024px - 1366px */
@media (min-width: 1024px) and (max-width: 1366px) {
    .news-grid {
        gap: 4rem;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .news-grid {
        flex-direction: column;
        gap: 30px;
    }
    
    .main-articles {
        max-width: 100%;
    }
    
    .news-sidebar {
        flex: none;
        width: 100%;
    }
    
    .pagination {
        gap: 4px;
        flex-wrap: wrap;
    }
    
    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        font-size: 13px;
    }
    
    .pagination .pagination-btn {
        padding: 0 12px;
    }
    
    .active-filters-bar {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .filter-bar-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .filter-tags {
        width: 100%;
    }
}

/* FHD Screen Optimization (1920px+) */
@media (min-width: 1920px) {
    /* Loading Overlay */
    .loading-overlay .spinner {
        width: 64px;
        height: 64px;
        border-width: 6px;
        margin-bottom: 30px;
    }

    .loading-overlay p {
        font-size: 20px;
    }

    /* Error Message */
    .error-message {
        padding: 40px;
        border-radius: 20px;
        margin: 40px 0;
        font-size: 18px;
    }

    .error-message::before {
        font-size: 32px;
        margin-bottom: 15px;
    }

    /* News Grid Layout */
    .news-grid {
        gap: 60px;
        margin: 60px 0;
        max-width: 1750px;
        margin-left: auto;
        margin-right: auto;
    }

    .main-articles {
        max-width: 1750px;
    }

    .news-sidebar {
        flex: 0 0 380px;
        width: 380px;
    }

    /* Pagination - Enhanced */
    .pagination {
        gap: 12px;
        margin: 60px 0 0 0;
    }

    .main-articles .pagination {
        margin-top: 40px;
        padding-top: 40px;
    }

    .pagination a,
    .pagination span {
        min-width: 48px;
        height: 48px;
        padding: 0 16px;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 600;
    }

    .pagination .pagination-btn {
        padding: 0 20px;
        font-weight: 700;
    }

    /* Active Filters Bar */
    .active-filters-bar {
        border-radius: 16px;
        padding: 1.5rem 2rem;
        margin: 2rem 0;
    }

    .filter-bar-content {
        gap: 1.5rem;
    }

    .filter-bar-label {
        font-size: 1rem;
    }

    .filter-tags {
        gap: 1rem;
    }

    .filter-tag {
        border-radius: 25px;
        padding: 0.75rem 1rem;
    }

    .filter-tag-label {
        font-size: 0.95rem;
    }

    .filter-tag-remove {
        width: 20px;
        height: 20px;
        font-size: 0.8rem;
    }

    .clear-all-filters {
        padding: 0.6rem 1.2rem;
        border-radius: 20px;
        font-size: 0.9rem;
    }

    /* Empty State */
    .news-empty {
        padding: 100px 40px;
        border-radius: 24px;
    }

    .news-empty-icon {
        font-size: 80px;
        margin-bottom: 30px;
    }

    .news-empty h3 {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .news-empty p {
        font-size: 18px;
        margin-bottom: 40px;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .news-empty .btn {
        padding: 16px 40px;
        border-radius: 30px;
        font-size: 16px;
    }
}

/* QHD Screen Optimization (2560px+) */
@media (min-width: 2560px) {
    /* Loading Overlay - Enhanced */
    .loading-overlay .spinner {
        width: 80px;
        height: 80px;
        border-width: 8px;
        margin-bottom: 40px;
    }

    .loading-overlay p {
        font-size: 24px;
    }

    /* Error Message - Larger */
    .error-message {
        padding: 50px;
        border-radius: 24px;
        margin: 50px 0;
        font-size: 20px;
    }

    .error-message::before {
        font-size: 40px;
        margin-bottom: 20px;
    }

    /* News Grid Layout - Centered without gaps */
    .news-grid {
        gap: 0;
        margin: 80px 0;
        max-width: 2400px;
        margin-left: auto;
        margin-right: auto;
        display: grid;
        gap: 0;
        grid-template-columns: 1fr 420px;
        align-items: start;
    }

    .main-articles {
        max-width: 2400px;
        padding-right: 3rem;
    }

    .news-sidebar {
        flex: 0 0 420px;
        width: 420px;
    }

    /* Pagination - Enhanced for QHD */
    .pagination {
        gap: 16px;
        margin: 80px 0 0 0;
    }

    .main-articles .pagination {
        margin-top: 60px;
        padding-top: 60px;
    }

    .pagination a,
    .pagination span {
        min-width: 56px;
        height: 56px;
        padding: 0 20px;
        border-radius: 16px;
        font-size: 18px;
        font-weight: 700;
        border-width: 2px;
    }

    .pagination .pagination-btn {
        padding: 0 24px;
        font-weight: 800;
    }

    /* Active Filters Bar - Enhanced */
    .active-filters-bar {
        border-radius: 20px;
        padding: 2rem 2.5rem;
        margin: 2.5rem 0;
        border-width: 2px;
    }

    .filter-bar-content {
        gap: 2rem;
    }

    .filter-bar-label {
        font-size: 1.125rem;
    }

    .filter-tags {
        gap: 1.25rem;
    }

    .filter-tag {
        border-radius: 30px;
        padding: 1rem 1.25rem;
        border-width: 2px;
    }

    .filter-tag-label {
        font-size: 1.05rem;
    }

    .filter-tag-remove {
        width: 24px;
        height: 24px;
        font-size: 0.9rem;
    }

    .clear-all-filters {
        padding: 0.75rem 1.5rem;
        border-radius: 24px;
        font-size: 1rem;
        border-width: 2px;
    }

    /* Empty State - Enhanced */
    .news-empty {
        padding: 120px 50px;
        border-radius: 28px;
    }

    .news-empty-icon {
        font-size: 96px;
        margin-bottom: 40px;
    }

    .news-empty h3 {
        font-size: 32px;
        margin-bottom: 24px;
    }

    .news-empty p {
        font-size: 20px;
        margin-bottom: 50px;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }

    .news-empty .btn {
        padding: 20px 50px;
        border-radius: 35px;
        font-size: 18px;
    }
}