/* ============================================================
   NEWS.CSS - News Grid Responsive
   ============================================================ */

.news-controls {
    margin-bottom: var(--khoang-cach-lg);
    display: flex;
    gap: var(--khoang-cach-md);
    align-items: center;
    flex-wrap: wrap;
}

.news-controls .input-search {
    flex: 1;
    min-width: 200px;
}

.news-controls .btn {
    flex-shrink: 0;
}

/* News Grid - Mobile First */
.news-grid {
    display: grid;
    grid-template-columns: 1fr; /* 1 cột trên mobile */
    gap: var(--khoang-cach-md);
}

/* 2 cột trên tablet */
@media (min-width: 768px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--khoang-cach-lg);
    }
}

/* 3 cột trên desktop nhỏ */
@media (min-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 4 cột trên desktop lớn */
@media (min-width: 1280px) {
    .news-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* News Card */
.news-card {
    background: white;
    border-radius: var(--bo-goc-lg);
    box-shadow: var(--bong-sm);
    overflow: hidden;
    transition: all var(--chuyen-canh-trung-binh);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    box-shadow: var(--bong-lg);
    transform: translateY(-4px);
}

/* Touch feedback cho mobile */
@media (hover: none) and (pointer: coarse) {
    .news-card:active {
        transform: scale(0.98);
        box-shadow: var(--bong-sm);
    }
}

.news-card__image-wrapper {
    position: relative;
    overflow: hidden;
}

.news-card__image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background-color: var(--mau-nen-xam);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mau-chu-phu);
    font-size: var(--font-size-sm);
    transition: transform var(--chuyen-canh-trung-binh);
}

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

@media (min-width: 768px) {
    .news-card__image {
        height: 200px;
    }
}

/* Badge trạng thái */
.news-card__badge {
    position: absolute;
    top: var(--khoang-cach-sm);
    left: var(--khoang-cach-sm);
    padding: var(--khoang-cach-xs) var(--khoang-cach-sm);
    border-radius: var(--bo-goc-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    z-index: 1;
}

.news-card__badge--pending {
    background-color: var(--mau-canh-bao);
    color: white;
}

.news-card__badge--approved {
    background-color: var(--mau-thanh-cong);
    color: white;
}

.news-card__body {
    padding: var(--khoang-cach-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--mau-chu-chinh);
    margin-bottom: var(--khoang-cach-sm);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card__excerpt {
    font-size: var(--font-size-sm);
    color: var(--mau-chu-phu);
    line-height: 1.6;
    margin-bottom: var(--khoang-cach-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.news-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--khoang-cach-sm);
    border-top: 1px solid var(--mau-vien);
    gap: var(--khoang-cach-sm);
}

.news-card__date {
    font-size: var(--font-size-xs);
    color: var(--mau-chu-phu);
    display: flex;
    align-items: center;
    gap: var(--khoang-cach-xs);
}

.news-card__author {
    font-size: var(--font-size-xs);
    color: var(--mau-chinh);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--khoang-cach-xs);
}

/* Empty State */
.news-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--khoang-cach-2xl) var(--khoang-cach-md);
    color: var(--mau-chu-phu);
}

.news-empty__icon {
    font-size: 4rem;
    color: var(--mau-vien);
    margin-bottom: var(--khoang-cach-md);
}

.news-empty__text {
    font-size: var(--font-size-lg);
    color: var(--mau-chu-phu);
    margin-bottom: var(--khoang-cach-md);
}

/* Loading State */
.news-loading {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--khoang-cach-2xl);
}

/* Skeleton Loading */
.news-skeleton {
    background: white;
    border-radius: var(--bo-goc-lg);
    overflow: hidden;
}

.news-skeleton__image {
    width: 100%;
    height: 180px;
    background: linear-gradient(90deg, var(--mau-nen-xam) 25%, #f9fafb 50%, var(--mau-nen-xam) 75%);
    background-size: 200% 100%;
    animation: truot 1.5s ease-in-out infinite;
}

@media (min-width: 768px) {
    .news-skeleton__image {
        height: 200px;
    }
}

.news-skeleton__body {
    padding: var(--khoang-cach-md);
}

.news-skeleton__line {
    height: 18px;
    background: linear-gradient(90deg, var(--mau-nen-xam) 25%, #f9fafb 50%, var(--mau-nen-xam) 75%);
    background-size: 200% 100%;
    animation: truot 1.5s ease-in-out infinite;
    border-radius: var(--bo-goc-sm);
    margin-bottom: var(--khoang-cach-sm);
}

.news-skeleton__line--short {
    width: 60%;
}

.news-skeleton__line--medium {
    width: 80%;
}

@keyframes truot {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================================
   NEWS DETAIL PAGE
   ============================================================ */

.news-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--khoang-cach-md);
}

@media (min-width: 768px) {
    .news-detail {
        padding: var(--khoang-cach-xl);
    }
}

.news-detail__header {
    margin-bottom: var(--khoang-cach-lg);
}

.news-detail__back {
    display: inline-flex;
    align-items: center;
    gap: var(--khoang-cach-xs);
    color: var(--mau-chinh);
    font-size: var(--font-size-sm);
    margin-bottom: var(--khoang-cach-md);
    padding: var(--khoang-cach-sm);
    margin-left: calc(-1 * var(--khoang-cach-sm));
    border-radius: var(--bo-goc-md);
    min-height: 44px;
}

.news-detail__back:hover {
    background-color: var(--mau-nen-xam);
}

.news-detail__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--mau-chu-chinh);
    line-height: 1.3;
    margin-bottom: var(--khoang-cach-md);
}

@media (min-width: 768px) {
    .news-detail__title {
        font-size: var(--font-size-3xl);
    }
}

.news-detail__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--khoang-cach-md);
    color: var(--mau-chu-phu);
    font-size: var(--font-size-sm);
    padding-bottom: var(--khoang-cach-md);
    border-bottom: 1px solid var(--mau-vien);
}

.news-detail__meta-item {
    display: flex;
    align-items: center;
    gap: var(--khoang-cach-xs);
}

.news-detail__image {
    width: 100%;
    border-radius: var(--bo-goc-lg);
    margin-bottom: var(--khoang-cach-lg);
}

.news-detail__content {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--mau-chu-chinh);
}

.news-detail__content p {
    margin-bottom: var(--khoang-cach-md);
}

.news-detail__content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--bo-goc-md);
    margin: var(--khoang-cach-md) 0;
}

.news-detail__content h2,
.news-detail__content h3,
.news-detail__content h4 {
    margin-top: var(--khoang-cach-lg);
    margin-bottom: var(--khoang-cach-md);
}

/* Share buttons */
.news-detail__share {
    display: flex;
    align-items: center;
    gap: var(--khoang-cach-sm);
    margin-top: var(--khoang-cach-xl);
    padding-top: var(--khoang-cach-lg);
    border-top: 1px solid var(--mau-vien);
}

.news-detail__share-label {
    font-size: var(--font-size-sm);
    color: var(--mau-chu-phu);
}

.news-detail__share-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--bo-goc-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all var(--chuyen-canh-nhanh);
}

.news-detail__share-btn--facebook {
    background-color: #1877f2;
    color: white;
}

.news-detail__share-btn--twitter {
    background-color: #1da1f2;
    color: white;
}

.news-detail__share-btn:hover {
    transform: scale(1.1);
}

/* ============================================================
   NEWS HEADER & CONTROLS
   ============================================================ */

.news-header {
    margin-bottom: var(--khoang-cach-lg);
}

.news-header .section__title {
    margin-bottom: var(--khoang-cach-md);
}

.news-controls {
    display: flex;
    gap: var(--khoang-cach-md);
    align-items: center;
    flex-wrap: wrap;
}

.news-controls .form-input {
    flex: 1;
    min-width: 200px;
}

.news-controls .form-select {
    width: auto;
    min-width: 120px;
}

.news-controls .btn {
    flex-shrink: 0;
    white-space: nowrap;
}

@media (max-width: 767px) {
    .news-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .news-controls .form-input,
    .news-controls .form-select,
    .news-controls .btn {
        width: 100%;
    }
}

/* ============================================================
   NEWS DETAIL ACTIONS
   ============================================================ */

.news-detail__actions {
    display: flex;
    gap: var(--khoang-cach-sm);
    margin-top: var(--khoang-cach-md);
}

.news-detail__status {
    margin-left: auto;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--khoang-cach-xs) var(--khoang-cach-sm);
    border-radius: var(--bo-goc-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.badge--success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--mau-thanh-cong);
}

.badge--warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--mau-canh-bao);
}

.badge--danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--mau-loi);
}

/* Rejected badge */
.news-card__badge--rejected {
    background-color: var(--mau-loi);
    color: white;
}

/* ============================================================
   NEWS EDITOR
   ============================================================ */

.news-editor {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--khoang-cach-md);
}

@media (min-width: 768px) {
    .news-editor {
        padding: var(--khoang-cach-xl);
    }
}

.news-editor__header {
    margin-bottom: var(--khoang-cach-lg);
}

.news-editor__form .form-group {
    margin-bottom: var(--khoang-cach-lg);
}

.news-editor__form .form-textarea {
    min-height: 300px;
    font-family: inherit;
    resize: vertical;
}

.news-editor__actions {
    display: flex;
    gap: var(--khoang-cach-md);
    justify-content: flex-end;
    padding-top: var(--khoang-cach-lg);
    border-top: 1px solid var(--mau-vien);
}

@media (max-width: 767px) {
    .news-editor__actions {
        flex-direction: column;
    }
    
    .news-editor__actions .btn {
        width: 100%;
    }
}

/* Button danger */
.btn--danger {
    background-color: var(--mau-loi);
    color: white;
    border: none;
}

.btn--danger:hover {
    background-color: #dc2626;
}

/* Button outline */
.btn--outline {
    background-color: transparent;
    color: var(--mau-chinh);
    border: 1px solid var(--mau-chinh);
}

.btn--outline:hover {
    background-color: var(--mau-chinh);
    color: white;
}