/* styles.css */

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
    font-family: Arial, sans-serif;
    margin: 0;
    position: relative;
}

.container {
    text-align: center;
    background: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    margin: 0 0 20px;
    color: #333;
}

.mode-selection {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.mode-selection button,
#restart {
    padding: 10px 20px;
    margin: 10px;
    border: none;
    background-color: #007BFF;
    color: white;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
}

.mode-selection button:hover,
#restart:hover {
    background-color: #0056b3;
}

#difficulty-selection {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

#difficulty-selection.hidden {
    display: none;
}

#easy {
    background-color: #28a745; /* Green */
}

#medium {
    background-color: #ffc107; /* Orange */
}

#hard {
    background-color: #dc3545; /* Red */
}

#easy:hover {
    background-color: #218838;
}

#medium:hover {
    background-color: #e0a800;
}

#hard:hover {
    background-color: #c82333;
}

.game-board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
    gap: 5px;
    justify-content: center;
    margin: 20px 0;
}

.cell {
    background-color: #fff;
    border: 2px solid #007BFF;
    font-size: 2em;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cell:hover {
    background-color: #f1f1f1;
}

.status {
    margin: 20px 0;
}

#status-message {
    font-size: 1.2em;
    color: #333;
}

.celebrate {
    animation: celebrate 1s infinite alternate;
}

@keyframes celebrate {
    from {
        background-color: #007BFF;
        color: white;
    }
    to {
        background-color: #ffdf00;
        color: black;
    }
}

@media (max-width: 600px) {
    .game-board {
        grid-template-columns: repeat(3, 80px);
        grid-template-rows: repeat(3, 80px);
    }

    .cell {
        font-size: 1.5em;
    }
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background: red;
    animation: fall 2s infinite;
    top: -10px; /* Start from above the screen */
}

@keyframes fall {
    0% {
        transform: translateY(-100px) rotate(360deg); /* Start position */
        opacity: 0.8; /* Start opacity */
    }
    100% {
        transform: translateY(100vh) rotate(360deg); /* End position (bottom of screen) */
        opacity: 0; /* Fade out */
    }
}