/* ================================================
   News Grid Page Styles
   Clean, optimized, and responsive design
   ================================================ */

/* ================================================
   CSS Custom Properties (Variables)
   ================================================ */
:root {
    --color-primary: #FFB90F;
    --color-announcement: #FFB90F;
    --color-news: #FFB90F;
    --color-text-primary: #333;
    --color-text-secondary: #666;
    --color-text-muted: #999;
    --color-border: #e0e0e0;
    --color-background: #f5f5f5;
    --color-white: #ffffff;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;

    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 25px;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.15);
    --shadow-announcement: 0 4px 12px rgba(255, 185, 15, 0.2);

    --transition-base: all 0.3s ease;
}

/* ================================================
   Main Container
   ================================================ */
.news-container {
    padding: var(--spacing-xl) 0;
    min-height: 60vh;
}

/* ================================================
   Page Header
   ================================================ */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    padding: var(--spacing-xl) 0;
}

.page-header h1 {
    font-size: 2.5rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ================================================
   News Filters Section
   ================================================ */
.news-filters {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    align-items: center;
}

/* Search Group */
.search-group {
    max-width: 400px;
    min-width: 250px;
    justify-self: end;
}

.news-search {
    position: relative;
}

.news-search input {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    font-size: 1rem;
    transition: var(--transition-base);
}

.news-search input:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 179, 0.1);
}

.news-search input::placeholder {
    color: var(--color-text-muted);
}

.news-search i {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    pointer-events: none;
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.25rem;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-base);
    min-height: 44px;
    text-decoration: none;
}

.filter-btn i {
    font-size: 1rem;
}

.filter-btn:hover {
    border-color: var(--color-announcement);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-announcement);
}

.filter-btn.active {
    background: var(--color-announcement);
    border-color: var(--color-announcement);
    color: #000;
    box-shadow: var(--shadow-announcement);
    font-weight: bold;
}

.filter-btn:focus {
    outline: 2px solid var(--color-announcement);
    outline-offset: 2px;
}

/* ================================================
   News Grid Layout
   ================================================ */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xxl);
}

/* ================================================
   News Card Component
   ================================================ */
.news-card {
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    position: relative;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    color: inherit;
}

.news-card:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Card Type Indicators */
.news-card.announcement {
    border-left: 4px solid var(--color-announcement);
}

.news-card.news {
    border-left: 4px solid var(--color-news);
}

/* News Image */
.news-image {
    width: 100%;
    height: 200px;
    background: var(--color-background);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.3s ease;
    display: block;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-image i {
    font-size: 3rem;
    color: #ccc;
}

/* News Content */
.news-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.news-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    color: var(--color-text-primary);
}

/* News Meta Information */
.news-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.news-meta i {
    color: var(--color-primary);
}

.news-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* News Category Badge */
.news-category {
    background: var(--color-background);
    color: var(--color-text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.news-category.announcement {
    background: rgba(255, 185, 15, 0.1);
    color: black;
}

.news-category.news {
    background: rgba(255, 185, 15, 0.1);
    color: black;
}

/* News Description */
.news-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

/* News Author */
.news-author {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Read More Link */
.read-more {
    color: black;
    font-weight: 500;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.read-more::after {
    content: '→';
    transition: transform 0.3s ease;
}

.news-card:hover .read-more::after {
    transform: translateX(4px);
}

/* ================================================
   Loading State
   ================================================ */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    text-align: center;
    grid-column: 1 / -1;
}

.loading-state i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.loading-state p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

/* ================================================
   Empty State
   ================================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    text-align: center;
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 4rem;
    color: #ccc;
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    font-size: 1.5rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

/* ================================================
   Pagination
   ================================================ */
.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xxl);
}

.pagination {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.pagination-btn {
    padding: 0.75rem var(--spacing-md);
    border: 2px solid var(--color-border);
    background: var(--color-white);
    color: var(--color-text-secondary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-base);
    font-weight: 500;
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-btn:hover:not(.disabled) {
    border-color: var(--color-primary);
    color: var(--color-text-primary);
}

.pagination-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-btn:focus:not(.disabled) {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ================================================
   Responsive Design - Tablet
   ================================================ */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--spacing-lg);
    }
}

/* ================================================
   Responsive Design - Mobile Large
   ================================================ */
@media (max-width: 768px) {
    .news-container {
        padding: var(--spacing-lg) 0;
    }

    .page-header {
        margin-bottom: var(--spacing-xl);
        padding: var(--spacing-lg) 0;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .news-filters {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .search-group {
        max-width: none;
        justify-self: stretch;
    }

    .filter-buttons {
        justify-content: center;
        flex-wrap: wrap;
        order: -1;
    }

    .filter-btn {
        flex: 1;
        min-width: 120px;
        justify-content: center;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .news-content {
        padding: 1.25rem;
    }
}

/* ================================================
   Responsive Design - Mobile Small
   ================================================ */
@media (max-width: 480px) {
    .news-container {
        padding: var(--spacing-md) 0;
    }

    .page-header {
        padding: var(--spacing-md) 0;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .filter-buttons {
        flex-direction: column;
    }

    .filter-btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }

    .news-content {
        padding: var(--spacing-md);
    }

    .news-title {
        font-size: 1.1rem;
    }

    .pagination-btn {
        padding: var(--spacing-sm) 0.75rem;
        min-width: 40px;
        height: 40px;
    }

    .news-card {
        margin: var(--spacing-sm) 0;
    }
}

/* ================================================
   Accessibility - High Contrast Mode
   ================================================ */
@media (prefers-contrast: more) {
    .news-card {
        border: 2px solid #000;
    }

    .filter-btn,
    .pagination-btn {
        border-width: 3px;
    }

    .filter-btn.active,
    .pagination-btn.active {
        background: #000;
        border-color: #000;
        color: #fff;
    }
}

/* ================================================
   Accessibility - Reduced Motion
   ================================================ */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .news-card,
    .news-image img,
    .filter-btn,
    .pagination-btn,
    .read-more::after {
        transition: none;
    }

    .news-card:hover {
        transform: none;
    }

    .news-card:hover .news-image img {
        transform: none;
    }

    .news-card:hover .read-more::after {
        transform: none;
    }
}

/* ================================================
   Print Styles
   ================================================ */
@media print {

    .news-filters,
    .pagination-container,
    .search-group {
        display: none;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .news-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }

    .news-card:hover {
        transform: none;
        box-shadow: none;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }
}