/* style.css */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
    background-color: #2b2b2b;
    color: #f4f4f4;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

h1 {
    margin: 0;
    font-size: 2.5rem;
    color: #333;
    text-shadow: 2px 2px 5px #aaa;
}

h1.dark-mode {
    color: #f4f4f4;
}

.controls {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

button, select, input[type="range"] {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s, color 0.3s;
}

button:hover, select:hover, input[type="range"]:hover {
    background-color: #ddd;
}

button:focus, select:focus, input[type="range"]:focus {
    outline: none;
    box-shadow: 0 0 5px #aaa;
}

button {
    background-color: #2196F3;
    color: white;
}

button.dark-mode {
    background-color: #555;
    color: white;
}

select {
    background-color: #fff;
    color: #333;
}

select.dark-mode {
    background-color: #333;
    color: #fff;
}

input[type="range"] {
    width: 100px;
}

input[type="range"].dark-mode {
    background-color: #333;
}

#grid {
    display: grid;
    grid-template-columns: repeat(40, 20px);
    grid-template-rows: repeat(20, 20px);
    gap: 1px;
    margin-top: 20px;
}

.grid-cell {
    width: 20px;
    height: 20px;
    border: 1px solid #ccc;
    background-color: white;
    transition: background-color 0.3s, border-color 0.3s;
}

.grid-cell.wall {
    background-color: #333;
}

.grid-cell.visited {
    background-color: #ffcc00;
}

.grid-cell.path {
    background-color: #4caf50;
}

.grid-cell.start {
    background-color: #00bcd4;
}

.grid-cell.end {
    background-color: #f44336;
}

.grid-cell:focus {
    outline: none;
    border-color: #2196F3;
}

.grid-cell.dark-mode {
    border-color: #555;
}

.grid-cell.wall.dark-mode {
    background-color: #555;
}

.grid-cell.visited.dark-mode {
    background-color: #ffeb3b;
}

.grid-cell.path.dark-mode {
    background-color: #4caf50;
}

.grid-cell.start.dark-mode {
    background-color: #00acc1;
}

.grid-cell.end.dark-mode {
    background-color: #e57373;
}