/* LNP制作器专用样式 */
.pixel-grid {
    display: grid;
    grid-gap: 1px;
    justify-content: center;
    position: relative;
    /* 确保画布容器不会超出屏幕 */
    max-width: 100%;
    overflow: auto;
    /* 添加边框以更好地显示画布边界 */
    border: 1px solid #ddd;
    background-color: #f8f9fa;
    padding: 5px;
    border-radius: 4px;
}

.pixel-cell {
    /* 确保格子为正方形 */
    width: 30px;
    height: 30px;
    border: 1px solid #e0e0e0;
    cursor: pointer;
    /* 提高渲染性能 */
    will-change: background-color;
    /* 添加过渡效果使颜色变化更平滑 */
    transition: all 0.2s ease;
    border-radius: 2px;
}

.pixel-cell:hover {
    border: 1px solid #999;
    transform: scale(1.05);
    z-index: 1;
    position: relative;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* 当前选中单元格的样式 */
.selected-cell {
    border: 2px solid #007bff;
    /* 确保选中时仍然保持正方形 */
    width: 28px;
    height: 28px;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

/* 网格控制面板样式 */
.grid-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
    align-items: center;
}

.grid-control-group {
    display: flex;
    align-items: center;
    margin-right: 20px;
}

.grid-control-group label {
    margin-right: 10px;
    font-weight: bold;
}

.grid-control-group input {
    width: 60px;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* 工具栏样式 */
.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}

/* 颜色选择器样式 */
.color-picker {
    display: flex;
    align-items: center;
    margin: 15px 0;
}

.color-picker input[type="color"] {
    width: 50px;
    height: 40px;
    margin-right: 10px;
    border: none;
    cursor: pointer;
}

.color-picker input[type="text"] {
    width: 100px;
    padding: 5px;
    margin-right: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
}

/* 响应式设计 - 当网格较大时启用滚动 */
@media (max-width: 768px) {
    .pixel-grid {
        max-width: 100vw;
    }
}