body {
    font-family: Arial, sans-serif;
    background: #b30000;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(6, 80px);
    gap: 10px;
}

.box {
    width: 80px;
    height: 80px;
    background: #005f2f;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: 0.2s;
}

.box.locked {
    background: #2e2e2e;
    cursor: not-allowed;
}

.box:hover:not(.locked) {
    background: #00994c;
}

#modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

#content {
    background: white;
    color: black;
    padding: 20px;
    border-radius: 10px;
    max-width: 300px;
}

#snow {
    /* border: 10px solid white; */
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    overflow: hidden;
    z-index: -1;
}

.snowflake {
    position: fixed;
    top: -10px;
    color: white;
    user-select: none;
    font-size: 1rem;
    animation: fall linear infinite;
}

@keyframes fall {
    0% {
        transform: translateY(-10vh) rotate(0deg);
    }

    100% {
        transform: translateY(110vh) rotate(360deg);
    }
}