.lazy-loading-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    padding: 2rem;
    border-radius: 12px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px dashed #dee2e6;
    margin: 1rem 0;
}

.placeholder-content {
    text-align: center;
    max-width: 400px;
}

.placeholder-icon {
    font-size: 4rem;
    color: #6f42c1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.placeholder-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.75rem;
}

.placeholder-description {
    font-size: 1rem;
    color: #6c757d;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.load-data-btn {
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.load-data-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.loading-content {
    text-align: center;
}

.loading-text {
    margin-top: 1rem;
    font-size: 1.1rem;
    color: #6c757d;
    font-weight: 500;
}

.error-content {
    text-align: center;
    color: #dc3545;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #dc3545;
}

.error-content h4 {
    color: #dc3545;
    margin-bottom: 0.5rem;
}

.error-content p {
    color: #6c757d;
    margin-bottom: 1.5rem;
}

/* Dark theme support */
.dark-theme .lazy-loading-placeholder {
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    border-color: #4a5568;
}

.dark-theme .placeholder-title {
    color: #e2e8f0;
}

.dark-theme .placeholder-description,
.dark-theme .loading-text {
    color: #a0aec0;
}

.dark-theme .error-content h4 {
    color: #feb2b2;
}

.dark-theme .error-content p {
    color: #a0aec0;
}

/* Responsive */
@media (max-width: 768px) {
    .lazy-loading-placeholder {
        min-height: 300px;
        padding: 1.5rem;
    }
    
    .placeholder-icon {
        font-size: 3rem;
    }
    
    .placeholder-title {
        font-size: 1.25rem;
    }
    
    .placeholder-description {
        font-size: 0.9rem;
    }
}