/* 8192 Game Styles */

main {
    padding-top: 0;
}

.title {
    font-size: 4rem;
}

.game-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.score-container {
    background: #ffffff;
    border: 2px solid #000000;
    border-radius: 10px;
    padding: 0.5rem 1.5rem;
    text-align: center;
    box-shadow: 3px 3px 0px #000000;
}

.score-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #555;
}

#current-score, #best-score {
    font-size: 1.5rem;
    font-weight: 700;
}

.game-board-container {
    position: relative;
}

#game-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 10px;
    background: #ccc;
    border: 2px solid #000000;
    border-radius: 10px;
    padding: 10px;
    aspect-ratio: 1 / 1;
}

.tile {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    font-weight: 700;
    border-radius: 5px;
    background-color: #eee;
    color: #000;
    transition: transform 0.1s ease-in-out, background-color 0.2s, color 0.2s;
}

/* Tile Colors */
.tile[data-value="2"] { background-color: #eee4da; }
.tile[data-value="4"] { background-color: #ede0c8; }
.tile[data-value="8"] { background-color: #f2b179; color: #f9f6f2; }
.tile[data-value="16"] { background-color: #f59563; color: #f9f6f2; }
.tile[data-value="32"] { background-color: #f67c5f; color: #f9f6f2; }
.tile[data-value="64"] { background-color: #f65e3b; color: #f9f6f2; }
.tile[data-value="128"] { background-color: #edcf72; color: #f9f6f2; }
.tile[data-value="256"] { background-color: #edcc61; color: #f9f6f2; }
.tile[data-value="512"] { background-color: #edc850; color: #f9f6f2; }
.tile[data-value="1024"] { background-color: #edc53f; color: #f9f6f2; }
.tile[data-value="2048"] { background-color: #edc22e; color: #f9f6f2; }
.tile[data-value="4096"] { background-color: #3c3a32; color: #f9f6f2; }
.tile[data-value="8192"] { background-color: #3c3a32; color: #f9f6f2; }


#game-over-screen {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-radius: 10px;
}

#game-over-screen h2 {
    font-size: 3rem;
    color: #000;
    margin: 0;
}

.game-footer {
    text-align: center;
}

#restart-button, #restart-button-game-over {
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    color: white;
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 3px 3px 0px #000000;
    transition: transform 0.2s, box-shadow 0.2s;
    font-size: 1rem;
}

#restart-button:hover, #restart-button-game-over:hover {
    transform: translateY(-3px);
    box-shadow: 6px 6px 0px #000000;
}

.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 480px) {
    .title {
        font-size: 3rem;
    }

    .tile {
        font-size: 1.5rem;
    }

    #game-over-screen h2 {
        font-size: 2rem;
    }
}

.instructions-container {
    max-width: 500px;
    margin: 1rem auto;
    padding: 1rem;
    background: #ffffff;
    border: 2px solid #000000;
    border-radius: 10px;
    box-shadow: 3px 3px 0px #000000;
    text-align: center;
}

.instructions-container h2 {
    margin-top: 0;
    font-size: 1.5rem;
}

.instructions-container p {
    margin-bottom: 0;
}