/* General Reset and Box Sizing */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
}

:root {
    /* Light mode colors */
    --background-color-light: #ffffff;
    --text-color-light: #333333;

    /* Dark mode colors */
    --background-color-dark: #121212;
    --text-color-dark: #f0f0f0;

    /* Dynamic color assignment */
    --background-color: var(--background-color-light);
    --text-color: var(--text-color-light);

    /* Accent colors */
    --accent-color: #0078d4;
    --border-color: #cccccc;
    --darker-accent-color: #005a9e;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: var(--background-color-dark);
        --text-color: var(--text-color-dark);
    }
}

/* Header Styling */
header {
    background-color: var(--accent-color);
    color: white;
    padding: 1rem;
    text-align: center;
}

header h1 {
    font-size: 1.8rem;
}

/* Main Layout */
main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

#controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 2rem;
    width: 100%;
    max-width: 800px;
}

/* Grid Settings */
#grid-settings {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

#grid-size-slider {
    margin-top: 0.5rem;
    width: 100%;
}

#grid-size-value {
    margin-top: 0.5rem;
    font-weight: bold;
}

/* Simulation Controls */
#simulation-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

#simulation-controls button {
    padding: 0.5rem 1rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#simulation-controls button:hover {
    background-color: var(--darker-accent-color);
}

/* Rule Editor */
#rule-editor {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

#rule-editor h2 {
    margin-bottom: 0.5rem;
}

#rule-editor label {
    margin-top: 0.5rem;
}

#rule-editor input {
    margin-top: 0.3rem;
    padding: 0.3rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    width: 100%;
    max-width: 300px;
}

#rule-editor button {
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#rule-editor button:hover {
    background-color: var(--darker-accent-color);
}

/* Canvas Container */
#canvas-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
    width: 100%;
}

#automata-canvas {
    border: 1px solid var(--border-color);
    background-color: white;
    width: 100%;
    max-width: 800px;
    height: auto;
}

/* Export Controls */
#export-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

#export-controls button {
    padding: 0.5rem 1rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#export-controls button:hover {
    background-color: var(--darker-accent-color);
}

/* Footer Styling */
footer {
    text-align: center;
    margin-top: 2rem;
    padding: 1rem;
    background-color: var(--accent-color);
    color: white;
}

footer p {
    font-size: 0.9rem;
}