.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    touch-action: none;
}

#game {
    width: 100%;
    max-width: 900px;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.top-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    gap: 15px;
}

.freecells-area {
    display: flex;
    gap: 15px;
}

.foundation-area {
    display: flex;
    gap: 15px;
}

.tableau-area {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.pile {
    position: relative;
    width: 80px;
    min-height: 110px;
    border-radius: 8px;
}

.pile.freecell,
.pile.foundation {
    background-color: rgba(47, 79, 79, 0.2);
    border: 2px dashed rgba(47, 79, 79, 0.3);
    height: 110px;
}

.pile.tableau::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 110px;
    border: 2px dashed rgba(47, 79, 79, 0.3);
    border-radius: 8px;
    pointer-events: none;
}

.pile.tableau {
    min-height: 400px;
}

.card {
    position: absolute;
    width: 80px;
    height: 110px;
    background-color: white;
    border: 2px solid #2f4f4f;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 5px;
    box-sizing: border-box;
    cursor: pointer;
    transition: transform 0.1s ease;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.card.dragging {
    opacity: 0.8;
    cursor: grabbing;
    pointer-events: none;
    z-index: 1000;
    position: fixed;
    transform: none;
}

.card.selected {
    border-color: #4a90e2;
    border-width: 3px;
    box-shadow: 0 0 10px rgba(74, 144, 226, 0.5);
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.card-rank {
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
}

.card-suit {
    font-size: 24px;
    line-height: 1;
}

.card-center {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 40px;
}

.card-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    transform: rotate(180deg);
}

.card.red {
    color: #dc143c;
}

.card.black {
    color: #2f4f4f;
}

.game-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    justify-content: center;
}

#instructions {
    margin-top: 20px;
    text-align: center;
    max-width: 700px;
    line-height: 1.4;
}

.mobile-controls {
    display: none;
}

.desktop-controls {
    display: block;
}

.game-over-score {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 30px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    body {
        padding: 20px 10px;
        overflow-x: hidden;
        overscroll-behavior: none;
    }

    #game {
        max-width: 100%;
    }

    .top-row {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 20px;
    }

    .freecells-area,
    .foundation-area {
        justify-content: center;
    }

    .tableau-area {
        gap: 8px;
        overflow-x: auto;
    }

    .pile {
        width: 60px;
    }

    .pile.freecell,
    .pile.foundation {
        height: 84px;
    }

    .pile.tableau {
        min-height: 300px;
    }

    .card {
        width: 60px;
        height: 84px;
        padding: 3px;
    }

    .card-rank {
        font-size: 16px;
    }

    .card-suit {
        font-size: 18px;
    }

    .card-center {
        font-size: 28px;
    }

    #instructions {
        font-size: 14px;
        margin-top: 15px;
    }
    
    .mobile-controls {
        display: block;
    }
    
    .desktop-controls {
        display: none;
    }
}

@media (max-width: 480px) {
    .pile {
        width: 50px;
    }

    .pile.freecell,
    .pile.foundation {
        height: 70px;
    }

    .card {
        width: 50px;
        height: 70px;
        padding: 2px;
    }

    .card-rank {
        font-size: 14px;
    }

    .card-suit {
        font-size: 16px;
    }

    .card-center {
        font-size: 24px;
    }

    .tableau-area {
        gap: 5px;
    }
}