/* Modern Card-Based Daily Digest Styles */
.digest-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-bottom: 40px;
}

.digest-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.digest-hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Filter Section */
.filter-section {
    background: #f8f9fa;
    padding: 30px 0;
    margin-bottom: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: center;
}

.filter-group {
    display: flex;
    flex-direction: column;
    min-width: 200px;
}

.filter-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.filter-group select,
.filter-group input {
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.filter-group select:focus,
.filter-group input:focus {
    border-color: #667eea;
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.filter-buttons {
    display: flex;
    gap: 10px;
    align-items: end;
}

.btn-filter {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

/* Digest Cards Grid */
.digest-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.digest-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
}

.digest-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.digest-card-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.digest-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.digest-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.digest-card:hover .digest-card-overlay {
    opacity: 1;
}

.digest-card-overlay .btn {
    background: white;
    color: #333;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.digest-card-overlay .btn:hover {
    background: #667eea;
    color: white;
    transform: scale(1.05);
}

.digest-card-content {
    padding: 25px;
}

.digest-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
    line-height: 1.3;
}

.digest-card-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #666;
}

.digest-card-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.digest-card-meta i {
    color: #667eea;
}

.digest-card-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.digest-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    background: #f8f9fa;
    color: #667eea;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.digest-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #e9ecef;
}

.digest-card-author {
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

.digest-card-btn {
    background: #667eea;
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.digest-card-btn:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

/* Featured Digest */
.featured-digest {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: 40px;
}

.featured-digest .digest-card-image {
    height: 100%;
    min-height: 300px;
}

.featured-digest .digest-card-content {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-digest .digest-card-title {
    font-size: 2rem;
    margin-bottom: 20px;
}

.featured-digest .digest-card-excerpt {
    font-size: 1.1rem;
    -webkit-line-clamp: 4;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.pagination {
    display: flex;
    gap: 10px;
    list-style: none;
    padding: 0;
}

.page-item {
    margin: 0;
}

.page-link {
    display: block;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.page-link:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.page-item.active .page-link {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.empty-state i {
    font-size: 4rem;
    color: #ddd;
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #333;
}

/* Responsive Design */
@media (max-width: 768px) {
    .digest-hero h1 {
        font-size: 2rem;
    }
    
    .filter-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        min-width: auto;
    }
    
    .digest-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .featured-digest {
        grid-template-columns: 1fr;
    }
    
    .featured-digest .digest-card-image {
        min-height: 200px;
    }
    
    .featured-digest .digest-card-content {
        padding: 25px;
    }
    
    .featured-digest .digest-card-title {
        font-size: 1.5rem;
    }
}

/* Loading Animation */
.loading {
    text-align: center;
    padding: 40px;
}

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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