:root {
    --content-max-width: 900px;
}

.copy-llm-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 8px 16px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.copy-llm-btn:hover {
    background: #1d4ed8;
}

.copy-llm-btn.copied {
    background: #16a34a;
}

.copy-llm-btn.copy-failed {
    background: #dc2626;
}