body {
    font-family: Arial, sans-serif;
    margin: 0 auto;
    padding: 0px;
}

.upload-area {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
    cursor: pointer;
}

    .upload-area:hover {
        border-color: #999;
        background-color: #f9f9f9;
    }

.preview-container {
    margin: 20px 0;
    display: none;
}

.preview-image {
    max-width: 100%;
    max-height: 300px;
    margin-bottom: 20px;
}

.pixel-preview {
    border: 1px solid #ccc;
    padding: 10px;
    margin-bottom: 20px;
    overflow: auto;
}

.pixel-grid {
    display: grid;
    gap: 1px;
    background-color: #f0f0f0;
}

.pixel {
    width: 8px;
    height: 8px;
}

.button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
}

    .button:hover {
        background-color: #45a049;
    }

.loading {
    display: none;
    text-align: center;
    margin-top: 10px;
    color: #666;
}

canvas {
    display: none;
}

.settings {
    margin: 20px 0;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    display: none;
}

    .settings label {
        display: block;
        margin-bottom: 10px;
    }

    .settings input[type="number"],
    .settings input[type="range"],
    .settings select {
        width: 120px;
        padding: 4px;
        margin-left: 10px;
    }

.note {
    margin-top: 10px;
    color: #666;
    font-size: 0.9em;
}

.settings-group {
    border-bottom: 1px solid #eee;
    padding: 10px 0;
}

    .settings-group:last-child {
        border-bottom: none;
    }
.h-left {
    padding-left: 100px;
}

.h-right a {
    margin: 8px;
    text-decoration: underline;
    line-height: 80px;
    color: #0087f5;
}