.kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.375rem;
    font-weight: bold;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

#gameCanvas {
    width: 100vw;
    height: 100vh;
    background: linear-gradient(to bottom, #7dd3fc 0%, #22d3ee 50%, #4ade80 100%);
}

/* Improved textures */
.tree-texture {
    background: repeating-linear-gradient(
        45deg,
        #166534,
        #166534 5px,
        #14532d 5px,
        #14532d 10px
    );
}

.house-texture {
    background: repeating-linear-gradient(
        0deg,
        #b45309,
        #b45309 5px,
        #92400e 5px,
        #92400e 10px
    );
}