/* Base Reset */
body, h1, h2, p, input, button, label, select {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

header {
    text-align: center;
    padding: 20px;
    background-color: var(--header-background);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1rem;
    color: var(--subtext-color);
}

main {
    display: flex;
    flex: 1;
    padding: 20px;
    gap: 20px;
}

#visualization-container {
    flex: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--panel-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
}

#visualization-canvas {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--canvas-background);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

#3d-plot-container {
    width: 100%;
    height: 600px;
}

#control-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--panel-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    gap: 15px;
}

h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--accent-color);
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    font-size: 1rem;
    margin-bottom: 5px;
}

input, select, button {
    padding: 10px;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-background);
    color: var(--text-color);
    outline: none;
    transition: box-shadow 0.2s ease;
}

input:focus, select:focus, button:hover {
    box-shadow: 0 0 5px var(--accent-color);
}

button {
    background-color: var(--button-background);
    color: var(--button-text-color);
    cursor: pointer;
}

button:active {
    background-color: var(--button-active-background);
}

.toggle-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.toggle-group input {
    width: auto;
    margin-right: 5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    main {
        flex-direction: column;
    }

    #visualization-container, #control-panel {
        width: 100%;
    }

    #visualization-canvas {
        width: 100%;
        height: auto;
    }

    #3d-plot-container {
        height: 400px;
    }
}

/* Dark/Light Theme */
:root {
    --background-color: #ffffff;
    --text-color: #333333;
    --subtext-color: #666666;
    --header-background: #f0f4f8;
    --panel-background: #f9f9f9;
    --border-color: #dddddd;
    --canvas-background: #ffffff;
    --accent-color: #0077cc;
    --button-background: #0077cc;
    --button-text-color: #ffffff;
    --button-active-background: #005fa3;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #121212;
        --text-color: #e0e0e0;
        --subtext-color: #b3b3b3;
        --header-background: #1e1e1e;
        --panel-background: #1a1a1a;
        --border-color: #333333;
        --canvas-background: #1e1e1e;
        --accent-color: #4bb3fd;
        --button-background: #4bb3fd;
        --button-text-color: #121212;
        --button-active-background: #157dc3;
    }
}