:root {
    --dark-blue: #333446;
    --blue: #7f8caa;
    --light-blue: #b8cfce;
    --grey: #eaefef;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
}

/* Sidebar */
.sidebar {
    width: 180px;
    background-color: #6c7895;
    padding: 20px;
    color: white;
    min-height: 100vh;
}

.sidebar a {
    display: block;
    margin: 10px 0;
    color: white;
    text-decoration: none;
    font-weight: bold;
    padding: 10px;
    overflow: hidden;
}

.sidebar a:hover {
    background-color: var(--light-blue);
}

/* Main content */
.main {
    flex: 1;
    background-color: #e3e8e8;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.title {
    text-align: center;
    font-size: 2em;
    margin-bottom: 20px;
}

.center-text {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.2em;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 0 50px;
}

.card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition:
        background-color 0.3s,
        transform 0.2s;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-size: 1.1em;
}

.card img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.card.toggled {
    background-color: #ffcccb;
    transform: scale(1.05);
}

/* Go button */
.go-button {
    background-color: #4caf50;
    color: white;
    padding: 14px 28px;
    text-decoration: none;
    font-size: 1.1em;
    border-radius: 6px;
    transition: background-color 0.3s;
    display: inline-block;
    margin-top: 20px;
}

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