/* ============================================================
 * GALLERY — Image Cards, Grid, Bulk Actions
 * ============================================================ */

/* Khung chứa ảnh */
.images-container {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.images-container.grid-view {
    grid-template-columns: repeat(4, 1fr);
}

.images-container.list-view {
    grid-template-columns: 1fr;
}

.images-container.list-view .image-item {
    display: flex;
    flex-direction: row;
    position: relative;
}

.images-container.list-view .image-preview {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 250px;
    height: auto;
    margin-bottom: 0;
    border-radius: 5px 0 0 5px;
    overflow: hidden;
    display: block;
}

.images-container.list-view .image-preview a {
    display: block;
    width: 100%;
    height: 100%;
}

.images-container.list-view .image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.images-container.list-view .image-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    margin-left: 250px;
}

.image-item {
    position: relative;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-fast);
    contain: content;
}

/* Xem trước hình ảnh */
.image-preview {
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--bg-tertiary);
    margin-bottom: 0;
    position: relative;
    content-visibility: auto;
    contain-intrinsic-size: auto 300px;
}

.images-container.grid-view .image-item:hover {
    box-shadow: var(--shadow-lg);
}

.image-preview a {
    display: block;
    width: 100%;
    height: 100%;
}

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

/* Thông tin ảnh — gọn */
.image-info {
    padding: 10px 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.image-info-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.image-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    flex: 1;
    min-width: 0;
}

/* Icon thao tác — luôn hiện */
.image-actions-inline {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.action-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.action-icon:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.action-icon-danger {
    color: var(--color-error);
    border-color: rgba(239, 68, 68, 0.3);
}

.action-icon-danger:hover {
    background: var(--color-error);
    border-color: var(--color-error);
    color: #fff;
}

.image-meta-inline {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px;
    font-size: 0.65rem;
    color: var(--text-tertiary);
}

.meta-dot {
    font-size: 0.6rem;
    color: var(--border-secondary);
}

.image-description {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

.image-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.tag {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    padding: 1px 8px;
    border-radius: 50px;
    font-size: 0.68rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Nhãn liên kết — key + URL */
.image-links-compact {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.link-chip {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    padding: 3px 8px;
    min-width: 0;
}

.link-chip>i {
    flex-shrink: 0;
    font-size: 0.6rem;
    color: var(--text-tertiary);
    width: 12px;
    text-align: center;
}

.link-chip>span {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 0.68rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.link-chip>button {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    font-size: 0.62rem;
    transition: color 0.15s ease;
    line-height: 1;
}

.link-chip>button:hover {
    color: var(--color-primary);
    background: var(--bg-tertiary);
}

/* Chọn hàng loạt */
.image-select-icon {
    position: absolute;
    top: 8px;
    left: 8px;
    z-index: 3;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.35);
    color: rgba(255, 255, 255, 0.45);
    font-size: 12px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.image-select-icon:hover {
    background: rgba(0, 0, 0, 0.55);
    color: rgba(255, 255, 255, 0.8);
}

.image-item.selected .image-select-icon {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 0 8px rgba(var(--color-primary-rgb, 139, 92, 246), 0.5);
}

.image-item.selected {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

body.bulk-selecting .image-item {
    cursor: pointer;
}

body.bulk-selecting .image-item .btn-edit,
body.bulk-selecting .image-item .btn-delete,
body.bulk-selecting .image-item .btn-image-detail,
body.bulk-selecting .image-item .image-links-compact,
body.bulk-selecting .image-item .image-preview a {
    pointer-events: none;
}

/* Thanh thao tác hàng loạt */
.bulk-action-bar {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    padding: 10px 16px;
    box-shadow: var(--shadow-xl);
    align-items: center;
    gap: 10px;
    will-change: transform;
    max-width: calc(100vw - 24px);
    flex-wrap: wrap;
    justify-content: center;
    animation: slideUp 0.2s ease;
}

.bulk-action-bar.active {
    display: flex;
}

.bulk-action-info {
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
}

.bulk-action-info i {
    color: var(--color-primary);
    margin-right: 4px;
}

.bulk-action-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.btn-danger {
    background: #ef4444 !important;
    color: #fff !important;
    border-color: #ef4444 !important;
}

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

@keyframes slideUp {
    from {
        transform: translateX(-50%) translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

/* Phân trang */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
}

.page-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid var(--border-primary);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.page-link:hover {
    background-color: var(--color-primary);
    color: var(--btn-hover-color);
}

.page-info {
    color: var(--text-secondary);
}

/* Thanh tiến trình */
.progress-bar {
    height: 20px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
    margin-bottom: 0.5rem;
    overflow: hidden;
}

.progress-bar-inner {
    height: 100%;
    background-color: var(--color-primary);
    transition: width 0.2s ease;
}

/* Không có ảnh */
.no-images {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 0;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
}

/* Modal tải lên */
#file-list-container {
    margin: 20px 0;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-primary);
    border-radius: 5px;
    padding: 10px;
}

.progress-status {
    text-align: center;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 15px;
}

/* Modal dung lượng */
#storage-modal {
    display: none;
}

.storage-details {
    padding: var(--spacing-6);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
}

.storage-bar {
    height: 20px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    margin: var(--spacing-4) 0;
    overflow: hidden;
}

.storage-bar-inner {
    height: 100%;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-xl);
    transition: width var(--transition-slow);
}

.storage-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
}

.storage-stat-item {
    text-align: center;
    padding: var(--spacing-3);
    background: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
}

.storage-stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-1);
}

.storage-stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* TỔNG THỂ MODAL NÂNG CẤP */
.modal-content-wrapper {
    background: var(--bg-primary);
    margin: 2vh auto;
    width: 95%;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    border-radius: 16px;
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    color: var(--text-primary);
}

.modal .modal-header,
.modal .modal-footer {
    padding: 10px 30px;
    background: var(--bg-secondary);
    z-index: 10;
}

.modal .modal-header {
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal .modal-footer {
    border-top: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.modal-body-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 7px;
    background: var(--bg-primary);
}

.modal-body-scroll::-webkit-scrollbar {
    width: 8px;
}

.modal-body-scroll::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

.modal-body-scroll::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: 10px;
}

.modal-body-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Upload selector */
.upload-selector-area {
    border: 2px dashed var(--border-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem 1rem;
    text-align: center;
    transition: border-color 0.3s ease, background 0.3s ease;
    background: var(--bg-tertiary);
    cursor: pointer;
}

.upload-selector-area:hover {
    border-color: var(--color-warning);
    background: var(--bg-tertiary);
}

.upload-label {
    cursor: pointer;
    display: block;
}

.upload-label i {
    font-size: 40px;
    color: var(--color-warning);
    margin-bottom: 15px;
}

.upload-label span {
    font-size: 18px;
    font-weight: 600;
    display: block;
    color: var(--text-primary);
}

.upload-label p {
    color: var(--text-secondary);
    margin-top: 8px;
    font-size: 14px;
}

/* Bố cục lưới ảnh */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.file-card {
    position: relative;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-primary);
    transition: transform 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-img-box {
    width: 100%;
    height: 220px;
    background: var(--bg-tertiary);
    border-radius: 12px 12px 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-primary);
}

.card-img-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.card-inputs {
    padding: 20px;
}

.card-inputs label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-warning);
    margin-bottom: 6px;
    display: block;
    font-weight: 700;
}

.card-inputs input,
.card-inputs textarea {
    width: 100%;
    margin-bottom: 15px;
}

/* Thẻ tệp gọn — ngang */
.file-card-compact {
    position: relative;
    display: flex;
    gap: 12px;
    padding: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    transition: border-color 0.15s ease;
}

.file-card-compact:hover {
    border-color: var(--border-secondary);
}

.file-card-compact .remove-file {
    position: absolute;
    top: 4px;
    right: 6px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    transition: background 0.15s ease, color 0.15s ease;
    z-index: 1;
}

.file-card-compact .remove-file:hover {
    background: var(--color-error);
    color: white;
}

.fcc-thumb {
    width: 72px;
    min-width: 72px;
    height: 72px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fcc-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fcc-thumb-icon {
    flex-direction: column;
    gap: 4px;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.fcc-thumb-icon i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.fcc-thumb-icon .fcc-ext {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

/* Lưới: Icon tệp không phải ảnh */
.file-icon-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 120px;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    gap: 8px;
}

.file-icon-preview i {
    font-size: 2.5rem;
    color: var(--color-primary);
}

.file-icon-preview span {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* Lưới: Xem trước video */
.video-preview-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 120px;
    aspect-ratio: 1 / 1;
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    overflow: hidden;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-preview-wrap > .fa-film {
    font-size: 2.5rem;
    color: var(--text-tertiary);
    z-index: 1;
}

.video-ext {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 1;
}

.video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    cursor: pointer;
    transition: background 0.2s ease;
    z-index: 0;
}

.video-play-overlay:hover {
    background: rgba(0, 0, 0, 0.1);
}

.video-play-overlay i {
    font-size: 2.5rem;
    color: var(--text-tertiary);
    transition: transform 0.2s ease;
}

.video-play-overlay:hover i {
    transform: scale(1.15);
}

/* Lưới: Xem trước audio */
.audio-preview-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 120px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    gap: 10px;
    position: relative;
}

.audio-preview-wrap i {
    font-size: 2.2rem;
    color: #e94560;
}

.audio-preview-wrap .audio-wave {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    height: 24px;
}

.audio-preview-wrap .audio-wave span {
    width: 3px;
    background: rgba(233, 69, 96, 0.7);
    border-radius: 2px;
    animation: audioWave 1.2s ease-in-out infinite;
}

.audio-preview-wrap .audio-wave span:nth-child(1) { height: 8px; animation-delay: 0s; }
.audio-preview-wrap .audio-wave span:nth-child(2) { height: 16px; animation-delay: 0.15s; }
.audio-preview-wrap .audio-wave span:nth-child(3) { height: 12px; animation-delay: 0.3s; }
.audio-preview-wrap .audio-wave span:nth-child(4) { height: 20px; animation-delay: 0.45s; }
.audio-preview-wrap .audio-wave span:nth-child(5) { height: 10px; animation-delay: 0.6s; }

@keyframes audioWave {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

.audio-preview-wrap .audio-ext {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1px;
}

/* Lưới: Xem trước PDF */
.pdf-preview-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 120px;
    background: linear-gradient(135deg, #2d1b1b, #3d1f1f);
    gap: 8px;
    overflow: hidden;
}

.pdf-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pdf-preview-wrap i {
    font-size: 2.5rem;
    color: #ef4444;
}

.pdf-preview-wrap span {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1px;
}

/* ============================================================
 * RESPONSIVE — Gallery
 * ============================================================ */
@media (max-width: 1200px) {
    .images-container.grid-view {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .images-container.grid-view {
        grid-template-columns: 1fr;
    }

    .images-container.list-view .image-item {
        flex-direction: column;
    }

    .images-container.list-view .image-preview {
        position: static;
        width: 100%;
        min-width: unset;
        height: 200px;
        border-radius: 5px 5px 0 0;
    }

    .images-container.list-view .image-info {
        margin-left: 0;
    }

    .storage-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .storage-stat-value {
        font-size: var(--font-size-lg);
    }

    .grid-layout {
        grid-template-columns: 1fr !important;
    }

    .modal-content-wrapper {
        margin: 1vh auto;
        width: 98%;
    }

    .card-img-box {
        height: 250px !important;
    }
}


@media (max-width: 480px) {
    .bulk-action-bar {
        bottom: 12px;
        padding: 8px 12px;
        gap: 8px;
    }

    .bulk-action-buttons .btn span {
        display: none;
    }

    .fcc-row {
        flex-direction: column;
    }

    .fcc-thumb {
        width: 56px;
        min-width: 56px;
        height: 56px;
    }
}