/* ================== FORM TÌM KIẾM TIN TỨC ================== */
.news-search-container {
    margin-bottom: 30px;
    background-color: #f9f9f9;
    border: 2px solid #30a753;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
}

.news-search-container form {
    flex: 1;
    display: flex;
    height: 44px;
    margin: 0;
}

.news-search-container .search-icon {
    padding: 0 12px;
    display: flex;
    align-items: center;
}

#news-search-input {
    flex: 1;
    padding: 0 15px;
    border: none;
    font-size: 14px;
    height: 100%;
    outline: none;
    background-color: transparent;
}

#news-category-filter {
    width: 150px;
    padding: 0 15px;
    border: none;
    background-color: #f9f9f9;
    font-size: 14px;
    height: 100%;
    appearance: none;
    outline: none;
}

#news-search-button.search-btn {
    padding: 0 50px;
    background-color: #30a753;
    color: white;
    border: none;
    font-size: 14px;
    font-weight: 500;
    height: 100%;
    white-space: nowrap;
    border-left: 1px solid #30a753;
    border-radius: 0;
    margin-right: 0;
}

/* ================== RESPONSIVE FORM TIN TỨC ================== */
@media (max-width: 768px) {
    .news-search-container {
        padding: 10px;
        display: block;
        border: 2px solid #30a753;
        border-radius: 8px;
        background-color: #f9f9f9;
        margin-bottom: 30px;
    }
    .news-search-container form {
        display: flex;
        flex-direction: column;
        gap: 10px;
        height: auto;
    }
    .news-search-container .search-icon {
        display: none;
    }
    .news-search-container .bottom-row {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    #news-search-input {
        height: 44px;
        padding: 12px 12px;
        font-size: 14px;
        border-radius: 6px;
        border: 1px solid #ccc;
        width: 100%;
        box-sizing: border-box;
    }
    #news-category-filter {
        flex: 1;
        height: 44px;
        font-size: 14px;
        padding: 0 12px;
        border: 1px solid #ccc;
        border-radius: 6px;
        background-color: #f9f9f9;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L0 3h12'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 12px center;
        background-size: 10px;
        padding-right: 30px;
        box-sizing: border-box;
    }
    .search-icon-button {
        display: flex;
        width: 56px;
        height: 44px;
        background-color: #30a753;
        border: none;
        border-radius: 6px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        flex-shrink: 0;
    }
    .search-icon-button svg {
        width: 24px;
        height: 24px;
        fill: #fff;
    }
    #news-search-button.search-btn {
        display: none;
    }
}

/* ================== LAYOUT DANH SÁCH TIN TỨC ================== */
.news-grid {
    margin-bottom: 30px;
}

.news-row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
    margin-bottom: 20px;
}

.news-card {
    width: calc(33.33% - 20px);
    margin: 0 10px 20px;
    border: 1px solid #eee;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    background-color: white;
}

.news-image {
    position: relative;
    padding-top: 60%;
    overflow: hidden;
    background-color: #f0f8ff;
}

.news-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-info {
    padding: 15px;
}

.news-info h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 16px;
    color: #333;
}

.news-info p {
    margin: 5px 0;
    font-size: 13px;
    color: #666;
}

/* ================== RESPONSIVE DANH SÁCH TIN TỨC ================== */
@media (max-width: 480px) {
    .news-card {
        width: calc(100% - 20px);
    }
}

/* ================== PHÂN TRANG ================== */
.pagination-wrapper {
    text-align: center;
    width: 100%;
}

.pagination {
    display: inline-flex;
    margin-top: 10px;
    gap: 5px;
    min-width: 40px;
}

.pagination a {
    display: block;
    padding: 7px 15px;
    border: 1px solid #c7c7c7;
}

/* ================== TRẠNG THÁI LOADING ================== */
.loading {
    opacity: 0.5;
    pointer-events: none;
    position: relative;
}

.loading:after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #30a753;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ================== FILTER DANH MỤC BÊN SIDEBAR ================== */
.sidebar-filter-item {
    display: inline-block;
    padding: 4px 8px;
    font-size: 14px;
}

.sidebar-filter-item:hover,
.sidebar-filter-item.active {
    background: #30a753;
    color: #fff;
}