:root {
    --primary-color: #e0e0e0;
    --text-color: #333;
    --shadow-light: #ffffff;
    --shadow-dark: #bebebe;
    --accent-color: #ffd700;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--primary-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1200px;
    width: 100%;
}

.card {
    background-color: var(--primary-color);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
    flex: 1 1 300px;
}

.preview-container {
    position: relative;
    width: 100%;
    height: 300px;
    margin: 0 auto;
}

.neumorphism-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    transition: all 0.3s ease;
}

.light-options {
    position: absolute;
    width: 100%;
    height: 100%;
}

.light-option {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    box-shadow: 2px 2px 5px var(--shadow-dark), -2px -2px 5px var(--shadow-light);
    cursor: pointer;
    transition: all 0.3s ease;
}

.light-option[data-direction="top-left"] { top: 0; left: 0; }
.light-option[data-direction="top-right"] { top: 0; right: 0; }
.light-option[data-direction="bottom-right"] { bottom: 0; right: 0; }
.light-option[data-direction="bottom-left"] { bottom: 0; left: 0; }

.light-option:hover {
    transform: scale(1.1);
}

.light-option.active {
    background-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-color), 0 0 30px var(--accent-color);
}

.code-output {
    width: 100%;
    height: 100px;
    resize: none;
    font-family: monospace;
    padding: 10px;
    border-radius: 10px;
    border: none;
    background-color: #f0f0f0;
    box-shadow: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
    margin-top: 20px;
}

h2 {
    margin-top: 0;
    margin-bottom: 20px;
}

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

input[type="color"],
input[type="range"],
input[type="text"] {
    width: 100%;
    margin-bottom: 15px;
    padding: 5px;
    border-radius: 5px;
    border: none;
    background-color: #f0f0f0;
    box-shadow: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
}

.color-picker-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

#colorPicker {
    width: 50px;
    height: 50px;
    padding: 0;
    border: none;
    border-radius: 50%;
    overflow: hidden;
}

#colorCode {
    flex-grow: 1;
    min-width: 100px;
}

button {
    background-color: var(--primary-color);
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 2px 2px 5px var(--shadow-dark), -2px -2px 5px var(--shadow-light);
}

button:hover {
    box-shadow: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
}

.shape-options {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.shape-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.shape-option:hover {
    transform: scale(1.05);
}

.shape-preview {
    width: 60px;
    height: 60px;
    border-radius: 10px;
    margin-bottom: 5px;
}

.shape-preview.flat {
    background: var(--primary-color);
    box-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
}

.shape-preview.concave {
    background: linear-gradient(145deg, var(--shadow-dark), var(--shadow-light));
    box-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
}

.shape-preview.convex {
    background: linear-gradient(145deg, var(--shadow-light), var(--shadow-dark));
    box-shadow: 5px 5px 10px var(--shadow-dark), -5px -5px 10px var(--shadow-light);
}

.shape-preview.pressed {
    background: var(--primary-color);
    box-shadow: inset 5px 5px 10px var(--shadow-dark), inset -5px -5px 10px var(--shadow-light);
}

.shape-option.active .shape-preview {
    box-shadow: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
}

.slider-container {
    position: relative;
    margin-bottom: 20px;
}

.slider-value {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-color);
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 12px;
    box-shadow: 1px 1px 3px var(--shadow-dark), -1px -1px 3px var(--shadow-light);
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .card {
        width: 100%;
    }

    .preview-container {
        height: 250px;
    }

    .neumorphism-box {
        width: 150px;
        height: 150px;
    }

    .shape-options {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .card {
        padding: 15px;
    }

    .preview-container {
        height: 200px;
    }

    .neumorphism-box {
        width: 120px;
        height: 120px;
    }

    .shape-preview {
        width: 50px;
        height: 50px;
    }
}