.tool-content {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 1000px;
    margin: 0 auto;
}

.generator-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.controls-panel {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    align-items: flex-end;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.control-group label {
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group input {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    width: 80px;
}

.secondary-btn {
    padding: 0.5rem 1rem;
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.secondary-btn:hover {
    background-color: #5a6268;
}

.preview-area {
    width: 100%;
    min-height: 300px;
    background: #eee;
    padding: 1rem;
    border-radius: 8px;
    overflow: auto;
}

.grid-container {
    background: #fff;
    min-height: 200px;
    border: 1px dashed #999;
}

.grid-item {
    background-color: #007bff;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    border: 1px solid rgba(255, 255, 255, 0.5);
    min-height: 50px;
}

.code-output {
    margin-top: 2rem;
}

.code-box-wrapper {
    position: relative;
    background: #2d2d2d;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.code-output pre {
    padding: 1.5rem;
    overflow-x: auto;
    color: #f8f8f2;
    margin: 0;
}

.copy-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

@media (max-width: 600px) {
    .controls-panel {
        flex-direction: column;
        align-items: flex-start;
    }
}