/* 2048 Game Styling */
.game-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    flex-direction: column;
    overflow: hidden;
}

.game-modal.active {
    display: flex;
}

.game-background {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    filter: blur(8px);
}

.game-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2001;
    margin: 20px;
}

.game-header {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 500px;
    margin-bottom: 1rem;
    color: #ffea00;
    font-family: 'VT323', monospace;
}

.game-score {
    padding: 0.5rem 1rem;
    background-color: rgba(34, 34, 34, 0.7);
    border: 1px solid #ffb300;
    border-radius: 0;
    color: #ffea00;
    margin-right: 1rem;
    font-size: 1.2rem;
}

.game-title {
    font-size: 2rem;
    color: #ffea00;
    text-shadow: 0 0 10px #ffb300;
    margin-bottom: 0.5rem;
}

.game-board {
    background-color: rgba(34, 34, 34, 0.7);
    border: 2px solid #ffb300;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 10px;
    padding: 10px;
    border-radius: 0;
    width: 100%;
    max-width: 400px;
}

.game-tile {
    background-color: rgba(34, 34, 34, 0.8);
    border: 1px solid #555;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    font-size: 1.5rem;
    font-weight: bold;
    font-family: 'VT323', monospace;
    position: relative;
    border-radius: 0;
    text-shadow: 0 0 3px #000;
    transition: transform 0.1s ease-in-out;
}

.game-buttons {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 400px;
    margin-top: 1rem;
}

.game-button {
    background-color: transparent;
    border: 1px solid #ffb300;
    color: #ffb300;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    font-family: 'VT323', monospace;
    transition: all 0.3s ease;
}

.game-button:hover {
    background-color: #ffb300;
    color: #000;
}

.game-close {
    background-color: transparent;
    border: 1px solid #ff0000;
    color: #ff0000;
}

.game-close:hover {
    background-color: #ff0000;
    color: #000;
}

/* Tile Colors */
.game-tile[data-value="2"] {
    background-color: rgba(255, 179, 0, 0.2);
    color: #ffb300;
    border-color: #ffb300;
}

.game-tile[data-value="4"] {
    background-color: rgba(255, 234, 0, 0.3);
    color: #ffea00;
    border-color: #ffea00;
}

.game-tile[data-value="8"] {
    background-color: rgba(255, 153, 0, 0.4);
    color: #ff9900;
    border-color: #ff9900;
}

.game-tile[data-value="16"] {
    background-color: rgba(255, 102, 0, 0.5);
    color: #ff6600;
    border-color: #ff6600;
}

.game-tile[data-value="32"] {
    background-color: rgba(255, 51, 0, 0.5);
    color: #ff3300;
    border-color: #ff3300;
}

.game-tile[data-value="64"] {
    background-color: rgba(255, 0, 0, 0.6);
    color: #ff0000;
    border-color: #ff0000;
}

.game-tile[data-value="128"] {
    background-color: rgba(255, 0, 102, 0.6);
    color: #ff0066;
    border-color: #ff0066;
}

.game-tile[data-value="256"] {
    background-color: rgba(255, 0, 255, 0.7);
    color: #ff00ff;
    border-color: #ff00ff;
}

.game-tile[data-value="512"] {
    background-color: rgba(153, 0, 255, 0.7);
    color: #9900ff;
    border-color: #9900ff;
}

.game-tile[data-value="1024"] {
    background-color: rgba(0, 102, 255, 0.8);
    color: #0066ff;
    border-color: #0066ff;
    font-size: 1.3rem;
}

.game-tile[data-value="2048"] {
    background-color: rgba(0, 255, 255, 0.8);
    color: #00ffff;
    border-color: #00ffff;
    font-size: 1.3rem;
    animation: pulse-2048 2s infinite;
}

@keyframes pulse-2048 {
    0% {
        box-shadow: 0 0 5px #00ffff, 0 0 10px #00ffff;
    }
    50% {
        box-shadow: 0 0 15px #00ffff, 0 0 25px #00ffff;
    }
    100% {
        box-shadow: 0 0 5px #00ffff, 0 0 10px #00ffff;
    }
}

/* Mobile Responsiveness */
@media (max-width: 500px) {
    .game-board {
        grid-gap: 5px;
        padding: 5px;
        max-width: 300px;
    }

    .game-tile {
        width: 60px;
        height: 60px;
        font-size: 1.3rem;
    }

    .game-header {
        max-width: 300px;
    }

    .game-buttons {
        max-width: 300px;
    }
}

@media (max-width: 350px) {
    .game-board {
        grid-gap: 3px;
        padding: 3px;
        max-width: 270px;
    }

    .game-tile {
        width: 55px;
        height: 55px;
        font-size: 1.2rem;
    }
    
    .game-header {
        max-width: 270px;
    }

    .game-buttons {
        max-width: 270px;
    }
}

/* Touch control hints */
.game-touch-hints {
    color: #ffb300;
    text-align: center;
    margin: 1rem 0;
    font-size: 0.9rem;
    max-width: 400px;
}

/* Game over overlay */
.game-over {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 1000;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.game-over-text {
    color: #ffea00;
    font-size: 2rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px #ffb300;
}

.game-over.active {
    display: flex;
}