/* Articles Container */
.articles-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Category Section */
.article-category-section {
    margin-bottom: 50px;
    background: linear-gradient(135deg, rgba(20, 30, 48, 0.6) 0%, rgba(36, 59, 85, 0.4) 100%);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(100, 150, 200, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

/* Category Header */
.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(100, 150, 200, 0.3);
}

.category-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, #4a6fa5 0%, #3a5a8a 100%);
    box-shadow: 0 4px 15px rgba(74, 111, 165, 0.4);
}

/* Different colors for different categories */
.category-icon-0 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.category-icon-1 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.category-icon-2 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.category-icon-3 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.category-icon-4 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.category-icon-5 { background: linear-gradient(135deg, #30cfd0 0%, #330867 100%); }

.category-title {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    color: #e8f0ff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Articles List */
.articles-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

/* Article Item */
.article-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(30, 40, 60, 0.5) 0%, rgba(40, 50, 70, 0.5) 100%);
    border: 1px solid rgba(100, 150, 200, 0.2);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.article-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(100, 150, 200, 0.1), transparent);
    transition: left 0.5s ease;
}

.article-item:hover::before {
    left: 100%;
}

.article-item:hover {
    transform: translateX(10px);
    background: linear-gradient(135deg, rgba(40, 50, 70, 0.7) 0%, rgba(50, 60, 80, 0.7) 100%);
    border-color: rgba(100, 150, 200, 0.5);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.article-icon {
    font-size: 1.8rem;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #4a6fa5 0%, #3a5a8a 100%);
    border-radius: 10px;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(74, 111, 165, 0.3);
}

.article-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.article-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #c8d4e8;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.article-item:hover .article-title {
    color: #ffffff;
}

.article-arrow {
    font-size: 1.5rem;
    color: #6a8fc3;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.article-item:hover .article-arrow {
    transform: translateX(5px);
    opacity: 1;
    color: #8fb3e8;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, rgba(20, 30, 48, 0.6) 0%, rgba(36, 59, 85, 0.4) 100%);
    border-radius: 16px;
    border: 1px solid rgba(100, 150, 200, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.2rem;
    color: #8a9db5;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .articles-list {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .article-category-section {
        padding: 20px;
    }

    .category-header {
        gap: 10px;
    }

    .category-icon {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .category-title {
        font-size: 1.4rem;
    }

    .articles-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .article-item {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .article-category-section {
        padding: 15px;
        margin-bottom: 30px;
    }

    .category-title {
        font-size: 1.2rem;
    }

    .article-title {
        font-size: 1rem;
    }
}