/* Download Button Wrapper */
.dpai-button-wrapper {
    margin: 30px 0;
    text-align: center;
    padding: 20px 0;
    border-top: 2px solid #f0f0f0;
}

/* Download Button */
.dpai-download-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.dpai-download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.dpai-download-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.dpai-download-button svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

/* Loading Indicator */
.dpai-loading {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: #f8f9fa;
    border-radius: 8px;
    color: #495057;
    font-size: 16px;
    font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Spinner Animation */
.dpai-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid #e9ecef;
    border-top-color: #667eea;
    border-radius: 50%;
    animation: dpai-spin 0.8s linear infinite;
}

@keyframes dpai-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .dpai-download-button,
    .dpai-loading {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .dpai-download-button svg,
    .dpai-spinner {
        width: 18px;
        height: 18px;
    }
}

/* Accessibility */
.dpai-download-button:focus {
    outline: 3px solid rgba(102, 126, 234, 0.5);
    outline-offset: 2px;
}

.dpai-download-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}