/* General Styles */
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #89f7fe 0%, #66a6ff 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #333;
    padding: 10px;
}

h1 {
    margin-top: 30px;
    font-size: 2.5rem;
    color: #222;
}

/* Menu & Game Screen */
#main-menu, #game-screen {
    padding: 20px;
    width: 100%;
    max-width: 600px;
    text-align: center;
}

/* Hidden Class */
.hidden {
    display: none;
}

/* Buttons */
.level-buttons button {
    margin: 10px;
    padding: 15px 30px;
    font-size: 16px;
    border: none;
    background-color: #333;
    color: white;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
    width: 100%; /* Make the button full width on small screens */
    box-sizing: border-box;
}

.level-buttons button:hover {
    background-color: #555;
}

.status {
    margin: 20px 0;
    font-size: 1.2rem;
}

/* Game Grid */
#game-grid {
    display: grid;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
    width: 100%;
    grid-template-columns: repeat(4, 60px);
}

.cell {
    width: 60px;
    height: 60px;
    background-color: #ccc;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cell:hover {
    transform: scale(1.05);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.cell.matched {
    border: 3px solid green;
    pointer-events: none;
    opacity: 0.7;
}

/* Status Buttons */
.status button {
    padding: 10px 20px;
    margin: 0 10px;
    font-size: 14px;
    background-color: #222;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.status button:hover {
    background-color: #444;
}

/* Slogan */
.slogan {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #555;
}

/* Responsive Design */
@media (max-width: 600px) {
    h1 {
        font-size: 1.8rem;
    }

    .level-buttons button {
        padding: 10px;
        font-size: 14px;
    }

    #game-grid {
        grid-template-columns: repeat(4, 50px); /* Smaller grid cells */
    }

    .cell {
        width: 50px;
        height: 50px;
    }

    .status {
        font-size: 1rem;
    }

    .status button {
        font-size: 12px;
        padding: 8px 16px;
    }
}