.controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 8px;
    border: 2px solid var(--border-color);
}
.control-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}
.control-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}
.control-group input[type="number"] {
    width: 80px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.uuid-output {
    margin-bottom: 2rem;
}
.uuid-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.uuid-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s ease;
}
.uuid-item:hover {
    border-color: var(--primary-color);
}
.uuid-item code {
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--primary-color);
    flex: 1;
}
.btn-copy-single {
    padding: 0.4rem 0.8rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}
.btn-copy-single:hover {
    background: var(--primary-hover);
}