.code-container {
    position: relative;
}

.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 6px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s, background-color 0.2s;
    z-index: 10;
}

.copy-btn:hover {
    opacity: 1;
    background: #e9ecef;
}

.copy-btn svg {
    display: block;
}

/* Success state */
.copy-btn.success {
    background-color: #28a745;
    border-color: #28a745;
    color: white;
}

/* Animation for success state */
@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0.7; }
}

.copy-btn.success {
    animation: fadeOut 1s ease-out 1s forwards;
}