/* Filter Bar */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    gap: 24px;
    animation: fadeInUp 0.6s var(--transition-slow) backwards;
    animation-delay: 0.2s;
    flex-wrap: wrap;
}

.filter-tabs {
    display: flex;
    gap: 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 4px;
}

.filter-tab {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

.filter-tab:hover {
    color: var(--color-text-primary);
}

.filter-tab.active {
    background: var(--color-accent);
    color: white;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    min-width: 300px;
    transition: all var(--transition-base);
}

.search-box:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.search-box svg {
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 14px;
    font-family: var(--font-sans);
    background: transparent;
    color: var(--color-text-primary);
}

.search-input::placeholder {
    color: var(--color-text-tertiary);
}

/* Media Grid */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
    animation: fadeInUp 0.6s var(--transition-slow) backwards;
    animation-delay: 0.3s;
}

.media-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
}

.media-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
}

.media-thumbnail {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
}

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

.media-type-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    color: white;
    font-size: 12px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.media-type-badge svg {
    width: 14px;
    height: 14px;
}

.media-info {
    padding: 16px;
}

.media-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.media-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--color-text-secondary);
}

.media-size {
    font-variant-numeric: tabular-nums;
}

.media-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.media-item:hover .media-actions {
    opacity: 1;
}

.media-action-btn {
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.media-action-btn:hover {
    background: var(--color-danger);
}

/* Upload Modal Styles */
.upload-modal {
    max-width: 600px;
}

.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background: var(--color-surface-elevated);
}

.upload-area:hover {
    border-color: var(--color-accent);
    background: var(--color-surface);
}

.upload-area.dragover {
    border-color: var(--color-accent);
    background: var(--color-accent-light);
}

.upload-area svg {
    color: var(--color-text-tertiary);
    margin-bottom: 16px;
}

.upload-area h4 {
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.upload-area p {
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.upload-area small {
    color: var(--color-text-tertiary);
    font-size: 13px;
}

.upload-preview {
    margin-top: 24px;
    max-height: 300px;
    overflow-y: auto;
}

.preview-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    background: var(--color-surface-elevated);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}

.preview-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-bg);
}

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

.preview-info {
    flex: 1;
    min-width: 0;
}

.preview-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 4px;
}

.preview-size {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.preview-remove {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--color-text-tertiary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-remove:hover {
    background: var(--color-danger);
    color: white;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 32px;
    grid-column: 1 / -1;
}

.empty-state svg {
    color: var(--color-text-tertiary);
    margin-bottom: 24px;
}

.empty-state h3 {
    font-family: var(--font-sans);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.empty-state p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    font-size: 15px;
}

/* Video Play Overlay */
.video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.media-item:hover .video-play-overlay {
    opacity: 1;
}

.play-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-bg);
}

.play-icon svg {
    margin-left: 4px;
}

@media (max-width: 640px) {
    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        min-width: 100%;
    }
    
    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }
}